/* roulang page: index */
:root {
            --c-primary: #C8102E;
            --c-primary-hover: #9B0C22;
            --c-secondary: #17403A;
            --c-secondary-dark: #0E2E28;
            --c-bg: #F6F3EE;
            --c-surface: #FFFFFF;
            --c-text: #202124;
            --c-text-muted: #5F6368;
            --c-gold: #D9A441;
            --c-border: #E5E0D8;
            --c-chip-warm: #C8102E;
            --c-chip-active: #17403A;
            --c-chip-muted: #8A8A8A;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.12);
            --font-title: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text);
            background-color: var(--c-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            line-height: 1.3;
            color: var(--c-text);
            margin: 0 0 0.5em;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(2.25rem, 4.5vw, 3rem);
            line-height: 1.2;
        }
        h2 {
            font-size: clamp(1.6rem, 2.8vw, 2rem);
            line-height: 1.3;
        }
        h3 {
            font-size: clamp(1.2rem, 1.8vw, 1.5rem);
            line-height: 1.4;
        }
        h4 {
            font-size: 1.1rem;
            line-height: 1.5;
        }

        p {
            margin: 0 0 1.2em;
            line-height: 1.9;
        }

        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
        }
        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-color: rgba(200, 16, 46, 0.4);
            text-underline-offset: 3px;
        }
        a:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-img);
            display: block;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 639px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            body {
                font-size: 15px;
                line-height: 1.8;
            }
            :root {
                --spacing-section: 48px;
            }
        }

        section {
            padding-top: var(--spacing-section);
            padding-bottom: 0;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.8vw, 2rem);
            margin-bottom: 0.6rem;
        }
        .section-subtitle {
            color: var(--c-text-muted);
            font-size: 1rem;
            max-width: 720px;
            margin-bottom: 2rem;
            line-height: 1.8;
            font-family: var(--font-body);
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(180%) blur(10px);
            -webkit-backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--c-border);
            z-index: 1000;
            transition: box-shadow var(--transition-fast);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--c-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .nav-logo:hover {
            color: var(--c-primary-hover);
            text-decoration: none;
        }
        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main a {
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text);
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .nav-main a:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--c-primary);
            text-decoration: none;
        }
        .nav-main a.active {
            background: var(--c-primary);
            color: #fff;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
            padding-left: 12px;
            border-left: 1px solid var(--c-border);
        }
        .nav-chip {
            font-family: var(--font-title);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1.5px solid;
            letter-spacing: 0.03em;
            white-space: nowrap;
            cursor: default;
            transition: opacity var(--transition-fast);
        }
        .nav-chip--warm {
            border-color: var(--c-chip-warm);
            color: var(--c-chip-warm);
            background: rgba(200, 16, 46, 0.04);
        }
        .nav-chip--active {
            border-color: var(--c-chip-active);
            color: var(--c-chip-active);
            background: rgba(23, 64, 58, 0.05);
        }
        .nav-chip--muted {
            border-color: var(--c-chip-muted);
            color: var(--c-chip-muted);
            background: rgba(138, 138, 138, 0.06);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--c-text);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        @media (max-width: 1023px) {
            .nav-main {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
                gap: 2px;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 1rem;
            }
            .nav-chips {
                margin-left: 0;
                padding-left: 0;
                border-left: none;
                padding-top: 12px;
                margin-top: 8px;
                border-top: 1px solid var(--c-border);
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (max-width: 639px) {
            .site-header {
                height: 56px;
            }
            :root {
                --nav-height: 56px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
        }

        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--c-primary);
            color: #fff;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
            line-height: 1.2;
            min-height: 44px;
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            background: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(200, 16, 46, 0.3);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--c-primary);
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--c-primary);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            line-height: 1.2;
            min-height: 44px;
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            background: var(--c-primary);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 3px;
        }

        .btn-sm {
            font-size: 0.82rem;
            padding: 9px 18px;
            min-height: 36px;
        }

        /* ============ Cards & General ============ */
        .card {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth), border-color var(--transition-smooth);
            border: 1px solid var(--c-border);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(200, 16, 46, 0.3);
        }

        .badge {
            display: inline-block;
            font-family: var(--font-title);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            border: 1px solid;
            line-height: 1.3;
        }
        .badge--red {
            border-color: rgba(200, 16, 46, 0.4);
            color: var(--c-primary);
            background: rgba(200, 16, 46, 0.05);
        }
        .badge--green {
            border-color: rgba(23, 64, 58, 0.4);
            color: var(--c-secondary);
            background: rgba(23, 64, 58, 0.06);
        }
        .badge--gold {
            border-color: rgba(217, 164, 65, 0.5);
            color: var(--c-gold);
            background: rgba(217, 164, 65, 0.06);
        }

        .mono-num {
            font-family: var(--font-mono);
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .divider {
            height: 1px;
            background: var(--c-border);
            margin: 0 0 2rem;
            border: none;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(rgba(14, 46, 40, 0.82), rgba(14, 46, 40, 0.75)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding-top: 100px;
            padding-bottom: 72px;
            margin-top: var(--nav-height);
            color: #fff;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-gold) 35%, var(--c-secondary) 70%, var(--c-primary) 100%);
        }
        .hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            color: #fff;
            font-size: clamp(2.2rem, 4.5vw, 3.2rem);
            margin-bottom: 0.4rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 1.6rem;
            font-family: var(--font-body);
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 1.2rem;
        }
        .hero-cta-group .btn-outline {
            border-color: #fff;
            color: #fff;
        }
        .hero-cta-group .btn-outline:hover {
            background: #fff;
            color: var(--c-primary);
            border-color: #fff;
        }
        .hero-quota-hint {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            font-family: var(--font-title);
            margin-bottom: 1.2rem;
            background: rgba(255, 255, 255, 0.12);
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .hero-quota-hint .mono-num {
            color: var(--c-gold);
            font-size: 1.1rem;
        }

        .hero-result-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.28);
            padding: 24px 20px;
            color: var(--c-text);
            max-width: 420px;
            position: relative;
            z-index: 3;
        }
        .hero-result-card .hrc-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--c-border);
        }
        .hero-result-card .hrc-title {
            font-family: var(--font-title);
            font-weight: 800;
            font-size: 1rem;
        }
        .hero-result-card .hrc-date {
            font-size: 0.8rem;
            color: var(--c-text-muted);
            font-family: var(--font-mono);
        }
        .hero-result-card .hrc-numbers {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .hero-result-card .hrc-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--c-text);
            border: 1px solid var(--c-border);
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }
        .hero-result-card .hrc-number--hit {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
        }
        .hero-result-card .hrc-meta {
            font-size: 0.8rem;
            color: var(--c-text-muted);
            display: flex;
            justify-content: space-between;
        }

        @media (max-width: 1023px) {
            .hero {
                min-height: auto;
                padding-top: 80px;
                padding-bottom: 48px;
            }
            .hero-result-card {
                margin-top: 28px;
                max-width: 100%;
            }
        }

        /* ============ Pain Point ============ */
        .pain-point-section {
            background: var(--c-bg);
        }
        .pain-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .pain-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 1rem;
            font-family: var(--font-body);
            padding: 16px 20px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast);
        }
        .pain-list li:hover {
            border-color: rgba(200, 16, 46, 0.3);
        }
        .pain-list li .pain-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.08);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            margin-top: 4px;
        }
        .pain-list li span {
            line-height: 1.7;
        }
        .pain-image-wrap {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .pain-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        /* ============ Solution Deep Content ============ */
        .solution-section {
            background: #fff;
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .solution-article {
            font-family: var(--font-body);
            line-height: 1.95;
            color: var(--c-text);
            font-size: 1rem;
        }
        .solution-article p {
            margin-bottom: 1.4em;
        }
        .solution-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .solution-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            min-height: 260px;
        }

        /* ============ Brand Story ============ */
        .brand-story-section {
            background: var(--c-secondary);
            color: #fff;
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .brand-story-section h2 {
            color: #fff;
        }
        .brand-story-section p {
            color: rgba(255, 255, 255, 0.88);
            font-family: var(--font-body);
            font-size: 1.05rem;
            line-height: 2;
        }
        .brand-story-section .brand-highlight {
            color: var(--c-gold);
            font-weight: 700;
        }

        /* ============ Featured Content / Results ============ */
        .featured-section {
            background: var(--c-bg);
        }
        .stat-panel {
            background: var(--c-secondary);
            border-radius: var(--radius-card);
            padding: 28px;
            text-align: center;
            color: #fff;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stat-panel:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 28px rgba(23, 64, 58, 0.3);
        }
        .stat-panel .stat-number {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.01em;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-panel .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            font-family: var(--font-title);
        }
        .stat-panel .stat-unit {
            font-size: 1rem;
            color: var(--c-gold);
            font-family: var(--font-mono);
        }

        .featured-card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .featured-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            border-radius: var(--radius-card);
            padding: 18px 20px;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth), border-color var(--transition-fast);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(200, 16, 46, 0.3);
        }
        .featured-card .fc-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            background: rgba(200, 16, 46, 0.08);
            color: var(--c-primary);
        }
        .featured-card .fc-body h4 {
            margin-bottom: 2px;
            font-size: 1rem;
        }
        .featured-card .fc-body p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--c-text-muted);
            line-height: 1.6;
        }

        /* ============ Platform Guarantee ============ */
        .guarantee-section {
            background: #fff;
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .guarantee-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 1.5rem;
        }
        .guarantee-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 10px 18px;
            border-radius: 999px;
            background: var(--c-bg);
            border: 1px solid var(--c-border);
            color: var(--c-text);
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .guarantee-badge:hover {
            border-color: var(--c-primary);
            background: rgba(200, 16, 46, 0.03);
        }
        .guarantee-badge i {
            color: var(--c-primary);
            font-size: 0.9rem;
        }

        /* ============ Testimonials ============ */
        .testimonials-section {
            background: var(--c-bg);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 16px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .testimonial-card--lg {
            grid-column: span 7;
        }
        .testimonial-card--sm {
            grid-column: span 5;
        }
        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--c-text);
            line-height: 1.8;
            margin-bottom: 14px;
            font-family: var(--font-body);
        }
        .testimonial-card .quote::before {
            content: '\201C';
            font-size: 2rem;
            color: var(--c-primary);
            font-family: var(--font-title);
            display: block;
            line-height: 1;
            margin-bottom: 6px;
            opacity: 0.6;
        }
        .testimonial-card .t-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--c-secondary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-card .t-name {
            font-weight: 700;
            font-size: 0.9rem;
            font-family: var(--font-title);
            color: var(--c-text);
        }
        .testimonial-card .t-tag {
            font-size: 0.75rem;
            color: var(--c-text-muted);
        }

        @media (max-width: 1023px) {
            .testimonial-card--lg,
            .testimonial-card--sm {
                grid-column: span 12;
            }
        }

        /* ============ Deep Content ============ */
        .deep-content-section {
            background: #fff;
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .deep-content-section--alt {
            background: var(--c-bg);
        }
        .deep-article {
            font-family: var(--font-body);
            line-height: 1.95;
            color: var(--c-text);
            font-size: 1rem;
        }
        .deep-article h3 {
            font-size: 1.3rem;
            margin-top: 1.2em;
            margin-bottom: 0.6em;
        }
        .deep-article p {
            margin-bottom: 1.4em;
        }
        .deep-article .highlight-box {
            background: #f9f7f2;
            border-left: 4px solid var(--c-primary);
            padding: 16px 22px;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .deep-article .data-table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }
        .deep-article table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 500px;
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
        }
        .deep-article table th {
            background: var(--c-secondary);
            color: #fff;
            font-family: var(--font-title);
            font-weight: 700;
            padding: 12px 16px;
            text-align: left;
            font-size: 0.82rem;
            letter-spacing: 0.03em;
        }
        .deep-article table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--c-border);
            font-family: var(--font-mono);
            font-size: 0.82rem;
            color: var(--c-text);
        }
        .deep-article table tr:nth-child(even) td {
            background: #faf8f5;
        }
        .deep-article table tr:hover td {
            background: rgba(200, 16, 46, 0.04);
        }
        .deep-article .mono-num {
            color: var(--c-primary);
        }

        /* ============ Ranking List ============ */
        .ranking-section {
            background: #fff;
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .ranking-table th {
            background: var(--c-secondary);
            color: #fff;
            font-family: var(--font-title);
            font-weight: 700;
            padding: 14px 18px;
            text-align: left;
            font-size: 0.82rem;
            letter-spacing: 0.03em;
        }
        .ranking-table td {
            padding: 12px 18px;
            border-bottom: 1px solid var(--c-border);
            font-size: 0.88rem;
        }
        .ranking-table tr:nth-child(even) td {
            background: #faf8f5;
        }
        .ranking-table tr:hover td {
            background: rgba(200, 16, 46, 0.04);
        }
        .ranking-table .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 0.8rem;
        }
        .rank-badge--1 {
            background: var(--c-gold);
            color: #fff;
        }
        .rank-badge--2 {
            background: #C0C0C0;
            color: #fff;
        }
        .rank-badge--3 {
            background: #CD7F32;
            color: #fff;
        }
        .rank-badge--other {
            background: #f0f0f0;
            color: var(--c-text-muted);
        }

        /* ============ Timeline ============ */
        .timeline-section {
            background: var(--c-bg);
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .timeline {
            position: relative;
            padding-left: 32px;
            margin-top: 2rem;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--c-primary), var(--c-gold), var(--c-secondary));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 16px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--c-primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.2);
            transition: transform var(--transition-fast);
        }
        .timeline-item:hover::before {
            transform: scale(1.3);
        }
        .timeline-item .tl-title {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--c-text);
        }
        .timeline-item .tl-date {
            font-family: var(--font-mono);
            font-size: 0.78rem;
            color: var(--c-text-muted);
            margin-bottom: 4px;
        }
        .timeline-item .tl-desc {
            font-size: 0.9rem;
            color: var(--c-text-muted);
            line-height: 1.7;
            font-family: var(--font-body);
        }

        /* ============ News Center ============ */
        .news-section {
            background: #fff;
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-card {
            display: flex;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
            padding: 20px 22px;
            transition: box-shadow var(--transition-smooth), border-color var(--transition-fast);
            align-items: flex-start;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 16, 46, 0.3);
        }
        .news-card .nc-date {
            flex-shrink: 0;
            min-width: 56px;
            text-align: center;
            background: var(--c-bg);
            border-radius: 8px;
            padding: 10px 8px;
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--c-primary);
            font-weight: 700;
            line-height: 1.3;
        }
        .news-card .nc-body h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            font-weight: 700;
        }
        .news-card .nc-body p {
            font-size: 0.88rem;
            color: var(--c-text-muted);
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .news-card .nc-body .btn-sm {
            font-size: 0.78rem;
            padding: 6px 16px;
            min-height: 32px;
        }
        .news-sidebar {
            background: #f9f7f2;
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--c-border);
        }
        .news-sidebar h4 {
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .news-sidebar .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .news-sidebar .tag-item {
            font-size: 0.78rem;
            font-family: var(--font-title);
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid var(--c-border);
            background: #fff;
            color: var(--c-text-muted);
            transition: border-color var(--transition-fast), color var(--transition-fast);
            cursor: default;
        }
        .news-sidebar .tag-item:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--c-bg);
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .accordion {
            margin: 0;
            list-style: none;
            padding: 0;
        }
        .accordion-item {
            margin-bottom: 12px;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--c-border);
            background: #fff;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-fast);
        }
        .accordion-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .accordion-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--c-text);
            cursor: pointer;
            transition: color var(--transition-fast), background var(--transition-fast);
            text-decoration: none;
            border: none;
            background: #fff;
            width: 100%;
            text-align: left;
            gap: 12px;
        }
        .accordion-title:hover {
            color: var(--c-primary);
            background: rgba(200, 16, 46, 0.03);
            text-decoration: none;
        }
        .accordion-title .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.06);
            color: var(--c-primary);
            font-size: 0.8rem;
            transition: transform var(--transition-smooth);
        }
        .accordion-item.is-active .accordion-title {
            color: var(--c-primary);
            border-left: 4px solid var(--c-primary);
            padding-left: 18px;
        }
        .accordion-item.is-active .faq-icon {
            transform: rotate(45deg);
            background: var(--c-primary);
            color: #fff;
        }
        .accordion-content {
            padding: 2px 22px 20px;
            font-size: 0.92rem;
            color: var(--c-text-muted);
            line-height: 1.8;
            font-family: var(--font-body);
            border-left: 4px solid var(--c-primary);
            margin-left: 0;
            background: #fff;
        }

        /* ============ Final CTA / Subscribe ============ */
        .final-cta-section {
            background: var(--c-secondary);
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            color: #fff;
        }
        .final-cta-section h2 {
            color: #fff;
        }
        .final-cta-section p {
            color: rgba(255, 255, 255, 0.85);
        }
        .subscribe-form-wrap {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }
        .subscribe-input {
            flex: 1 1 260px;
            padding: 14px 20px;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-family: var(--font-body);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-height: 48px;
            outline: none;
        }
        .subscribe-input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .subscribe-input:focus {
            border-color: var(--c-primary);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.35);
            background: rgba(255, 255, 255, 0.15);
        }
        .privacy-note {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 10px;
            line-height: 1.6;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--c-secondary-dark);
            color: #fff;
            padding-top: 48px;
            padding-bottom: 28px;
            font-size: 0.9rem;
        }
        .site-footer .footer-logo {
            font-family: var(--font-title);
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: block;
            text-decoration: none;
        }
        .site-footer .footer-logo:hover {
            color: var(--c-gold);
            text-decoration: none;
        }
        .site-footer .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 320px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.78);
            text-decoration: none;
            font-size: 0.85rem;
            font-family: var(--font-title);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--c-primary);
            text-decoration: underline;
            text-decoration-color: rgba(200, 16, 46, 0.5);
            text-underline-offset: 3px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 32px;
            padding-top: 20px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            justify-content: space-between;
            align-items: center;
            line-height: 1.7;
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.75rem;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--c-primary);
        }

        @media (max-width: 639px) {
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .site-footer .footer-links {
                gap: 8px 16px;
            }
        }

        /* ============ Utility ============ */
        .text-gold {
            color: var(--c-gold);
        }
        .text-primary {
            color: var(--c-primary);
        }
        .text-secondary {
            color: var(--c-secondary);
        }
        .mgb-0 {
            margin-bottom: 0;
        }
        .mgb-8 {
            margin-bottom: 8px;
        }
        .mgb-16 {
            margin-bottom: 16px;
        }
        .mgb-24 {
            margin-bottom: 24px;
        }
        .mgb-32 {
            margin-bottom: 32px;
        }
        .mgb-48 {
            margin-bottom: 48px;
        }
        .img-rounded {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        @media (max-width: 639px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.05rem;
            }
            .btn-primary,
            .btn-outline {
                font-size: 0.85rem;
                padding: 12px 22px;
                min-height: 44px;
            }
            .stat-panel .stat-number {
                font-size: 1.8rem;
            }
            .hero-result-card .hrc-number {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category3 */
:root {
            --c-primary: #C8102E;
            --c-primary-hover: #9B0C22;
            --c-secondary: #17403A;
            --c-secondary-dark: #0E2E28;
            --c-bg: #F6F3EE;
            --c-surface: #FFFFFF;
            --c-text: #202124;
            --c-text-muted: #5F6368;
            --c-gold: #D9A441;
            --c-border: #E5E0D8;
            --c-chip-warm: #C8102E;
            --c-chip-active: #17403A;
            --c-chip-muted: #8A8A8A;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.12);
            --font-title: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text);
            background-color: var(--c-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
        }

        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-color: rgba(200, 16, 46, 0.4);
            text-underline-offset: 3px;
        }

        a:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-img);
            display: block;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(180%) blur(10px);
            -webkit-backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--c-border);
            z-index: 1000;
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--c-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .nav-logo:hover {
            color: var(--c-primary-hover);
            text-decoration: none;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-main a {
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text);
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-main a:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--c-primary);
            text-decoration: none;
        }

        .nav-main a.active {
            background: var(--c-primary);
            color: #fff;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 10px;
            padding-left: 10px;
            border-left: 1px solid var(--c-border);
        }

        .nav-chip {
            font-family: var(--font-title);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            border: 1px solid currentColor;
            white-space: nowrap;
            letter-spacing: 0.02em;
            cursor: default;
            user-select: none;
        }

        .nav-chip--warm {
            color: var(--c-chip-warm);
            border-color: rgba(200, 16, 46, 0.4);
            background: rgba(200, 16, 46, 0.05);
        }

        .nav-chip--active {
            color: var(--c-chip-active);
            border-color: rgba(23, 64, 58, 0.4);
            background: rgba(23, 64, 58, 0.06);
        }

        .nav-chip--muted {
            color: var(--c-chip-muted);
            border-color: rgba(138, 138, 138, 0.35);
            background: rgba(138, 138, 138, 0.05);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--c-primary);
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(200, 16, 46, 0.08);
        }

        .nav-toggle:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        /* ============ Hero ============ */
        .page-hero {
            background: linear-gradient(135deg, var(--c-secondary-dark) 0%, var(--c-secondary) 50%, #1E5048 100%);
            padding: calc(var(--nav-height) + 56px) 0 56px;
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(14, 46, 40, 0.45) 0%, rgba(14, 46, 40, 0.85) 100%);
            pointer-events: none;
        }

        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .page-hero-badge {
            display: inline-block;
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--c-gold);
            background: rgba(217, 164, 65, 0.15);
            border: 1px solid rgba(217, 164, 65, 0.4);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .page-hero h1 {
            font-family: var(--font-title);
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .page-hero .hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
            line-height: 1.8;
            margin: 0 0 24px;
            font-family: var(--font-body);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            font-family: var(--font-title);
            font-size: 0.95rem;
            font-weight: 700;
            background: var(--c-primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.01em;
            box-shadow: 0 2px 8px rgba(200, 16, 46, 0.25);
        }

        .btn-primary:hover {
            background: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 1px 4px rgba(200, 16, 46, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        .btn-outline {
            font-family: var(--font-title);
            font-size: 0.95rem;
            font-weight: 700;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.01em;
        }

        .btn-outline:hover {
            background: #fff;
            color: var(--c-primary);
            text-decoration: none;
            border-color: #fff;
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(1px);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.5);
            outline-offset: 2px;
        }

        /* ============ Rules Layout ============ */
        .rules-section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .rules-layout {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 40px;
            align-items: start;
        }

        .rules-anchor {
            position: sticky;
            top: calc(var(--nav-height) + 20px);
            background: var(--c-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            border-top: 3px solid var(--c-primary);
        }

        .rules-anchor-title {
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--c-text);
            margin: 0 0 12px;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rules-anchor-title i {
            color: var(--c-primary);
            font-size: 0.85rem;
        }

        .rules-anchor ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .rules-anchor li a {
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--c-text-muted);
            padding: 8px 12px;
            border-radius: 8px;
            display: block;
            transition: background var(--transition-fast), color var(--transition-fast);
            text-decoration: none;
            border-left: 3px solid transparent;
        }

        .rules-anchor li a:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--c-primary);
            text-decoration: none;
            border-left-color: var(--c-primary);
        }

        .rules-anchor li a.active-anchor {
            background: rgba(200, 16, 46, 0.08);
            color: var(--c-primary);
            border-left-color: var(--c-primary);
            font-weight: 600;
        }

        /* ============ Rule Content Blocks ============ */
        .rule-block {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 36px 40px;
            margin-bottom: 32px;
            transition: box-shadow var(--transition-fast);
        }

        .rule-block:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .rule-block:last-child {
            margin-bottom: 0;
        }

        .rule-block-header {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 20px;
        }

        .rule-number {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--c-primary);
            background: rgba(200, 16, 46, 0.08);
            border-radius: 50%;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .rule-block h2 {
            font-family: var(--font-title);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--c-text);
            margin: 0;
            letter-spacing: -0.01em;
            line-height: 1.4;
        }

        .rule-block h3 {
            font-family: var(--font-title);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--c-secondary);
            margin: 24px 0 12px;
            letter-spacing: 0.01em;
        }

        .rule-block p {
            margin: 0 0 16px;
            line-height: 1.95;
            color: var(--c-text);
        }

        .rule-block p:last-child {
            margin-bottom: 0;
        }

        .rule-block .highlight-text {
            color: var(--c-primary);
            font-weight: 600;
        }

        .rule-block figure {
            margin: 24px 0;
        }

        .rule-block figure img {
            width: 100%;
            border-radius: var(--radius-img);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .rule-block figure figcaption {
            font-size: 0.8rem;
            color: var(--c-text-muted);
            text-align: center;
            margin-top: 8px;
            font-family: var(--font-title);
        }

        /* ============ Data Table ============ */
        .table-scroll-wrap {
            overflow-x: auto;
            margin: 24px 0;
            border-radius: 8px;
            border: 1px solid var(--c-border);
            background: var(--c-surface);
        }

        .rule-table {
            width: 100%;
            border-collapse: collapse;
            font-family: var(--font-title);
            font-size: 0.9rem;
            min-width: 560px;
            margin: 0;
        }

        .rule-table thead {
            background: var(--c-secondary);
            color: #fff;
        }

        .rule-table th {
            padding: 14px 18px;
            text-align: left;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .rule-table tbody tr {
            border-bottom: 1px solid var(--c-border);
            transition: background var(--transition-fast);
        }

        .rule-table tbody tr:last-child {
            border-bottom: none;
        }

        .rule-table tbody tr:nth-child(even) {
            background: #FAF8F5;
        }

        .rule-table tbody tr:hover {
            background: rgba(200, 16, 46, 0.04);
        }

        .rule-table td {
            padding: 13px 18px;
            color: var(--c-text);
            line-height: 1.6;
            vertical-align: middle;
        }

        .rule-table td:first-child {
            font-weight: 600;
            color: var(--c-secondary);
            white-space: nowrap;
        }

        .rule-table .mono-cell {
            font-family: var(--font-mono);
            color: var(--c-primary);
            font-weight: 600;
        }

        /* ============ Rational Reminder ============ */
        .rational-section {
            background: var(--c-secondary-dark);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }

        .rational-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }

        .rational-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .rational-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            color: #fff;
        }

        .rational-card h2 {
            font-family: var(--font-title);
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 16px;
            color: #fff;
        }

        .rational-card p {
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.95;
            margin: 0 0 16px;
        }

        .rational-card p:last-child {
            margin-bottom: 0;
        }

        .rational-tips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .rational-tip {
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.85);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .rational-tip i {
            color: var(--c-gold);
            font-size: 0.8rem;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--spacing-section) 0;
        }

        .faq-section .section-title {
            text-align: center;
            margin-bottom: 8px;
        }

        .faq-section .section-subtitle {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-accordion {
            max-width: 820px;
            margin: 32px auto 0;
        }

        .faq-item {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            font-family: var(--font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-text);
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast), color var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .faq-question:hover {
            background: rgba(200, 16, 46, 0.04);
            color: var(--c-primary);
        }

        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--c-text-muted);
            transition: transform var(--transition-smooth), color var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.is-open .faq-question {
            border-left-color: var(--c-primary);
            color: var(--c-primary);
        }

        .faq-item.is-open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--c-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
            color: var(--c-text-muted);
            line-height: 1.85;
            font-size: 0.95rem;
            border-left: 3px solid transparent;
        }

        .faq-item.is-open .faq-answer {
            max-height: 600px;
            padding: 0 24px 20px;
            border-left-color: var(--c-primary);
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: var(--spacing-section) 0;
        }

        .cta-panel {
            background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-hover) 100%);
            border-radius: 16px;
            padding: 48px 56px;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-family: var(--font-title);
            font-size: 1.7rem;
            font-weight: 800;
            margin: 0 0 8px;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .cta-panel p {
            margin: 0;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 480px;
        }

        .cta-panel .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 2;
        }

        .cta-panel .btn-primary {
            background: #fff;
            color: var(--c-primary);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .cta-panel .btn-primary:hover {
            background: #f8f6f4;
            color: var(--c-primary-hover);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .cta-panel .btn-outline {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .cta-panel .btn-outline:hover {
            background: #fff;
            color: var(--c-primary);
            border-color: #fff;
        }

        .newsletter-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 16px;
            position: relative;
            z-index: 2;
        }

        .newsletter-form input {
            font-family: var(--font-title);
            font-size: 0.9rem;
            padding: 12px 18px;
            border-radius: 999px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            min-width: 240px;
            outline: none;
            transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .newsletter-form input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.22);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.25);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--c-secondary-dark);
            color: #fff;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .site-footer .container-custom {
            display: block;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-family: var(--font-title);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.01em;
        }

        .footer-logo:hover {
            color: var(--c-primary);
            text-decoration: none;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin: 12px 0 0;
            max-width: 320px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
        }

        .footer-links li a {
            font-family: var(--font-title);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color var(--transition-fast);
            padding: 4px 0;
            display: inline-block;
        }

        .footer-links li a:hover {
            color: var(--c-primary);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            justify-content: space-between;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            font-family: var(--font-title);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--c-primary);
            text-decoration: none;
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ Section title shared ============ */
        .section-title {
            font-family: var(--font-title);
            font-size: clamp(1.6rem, 2.8vw, 2rem);
            font-weight: 800;
            color: var(--c-text);
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            color: var(--c-text-muted);
            font-size: 1rem;
            max-width: 720px;
            margin-bottom: 2rem;
            line-height: 1.8;
            font-family: var(--font-body);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
            }

            .rules-layout {
                grid-template-columns: 180px 1fr;
                gap: 24px;
            }

            .rule-block {
                padding: 28px 24px;
            }

            .cta-panel {
                padding: 36px 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --nav-height: 56px;
            }

            body {
                font-size: 15px;
                line-height: 1.85;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-main {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px 20px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                gap: 4px;
                z-index: 999;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

            .nav-main.is-open {
                display: flex;
            }

            .nav-main a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
            }

            .nav-chips {
                margin-left: 0;
                padding-left: 0;
                border-left: none;
                padding-top: 12px;
                gap: 8px;
                flex-wrap: wrap;
                width: 100%;
            }

            .nav-chip {
                font-size: 0.7rem;
                padding: 4px 10px;
            }

            .page-hero {
                padding-top: calc(var(--nav-height) + 32px);
                padding-bottom: 32px;
                min-height: 320px;
            }

            .page-hero h1 {
                font-size: 1.7rem;
            }

            .page-hero .hero-sub {
                font-size: 0.9rem;
            }

            .rules-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .rules-anchor {
                position: static;
                padding: 16px;
                border-top-width: 2px;
            }

            .rules-anchor ul {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 6px;
            }

            .rules-anchor li a {
                padding: 6px 12px;
                font-size: 0.78rem;
                border-left: none;
                border: 1px solid var(--c-border);
                border-radius: 999px;
                display: inline-block;
            }

            .rules-anchor li a:hover,
            .rules-anchor li a.active-anchor {
                border-left: 1px solid var(--c-primary);
                border-color: var(--c-primary);
            }

            .rule-block {
                padding: 24px 18px;
                margin-bottom: 20px;
            }

            .rule-block h2 {
                font-size: 1.25rem;
            }

            .rule-block h3 {
                font-size: 1rem;
            }

            .rule-block-header {
                gap: 12px;
                flex-wrap: wrap;
            }

            .rule-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }

            .rational-card {
                padding: 24px 20px;
            }

            .rational-card h2 {
                font-size: 1.3rem;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }

            .faq-answer {
                padding: 0 18px;
                font-size: 0.88rem;
            }

            .faq-item.is-open .faq-answer {
                padding: 0 18px 16px;
            }

            .cta-panel {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .cta-panel h2 {
                font-size: 1.4rem;
            }

            .newsletter-form input {
                min-width: 100%;
            }

            .site-footer {
                padding: 36px 0 20px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                margin-bottom: 24px;
            }

            .footer-links {
                gap: 6px 14px;
            }

            .footer-links li a {
                font-size: 0.78rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                font-size: 0.7rem;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
                min-height: 44px;
                font-size: 0.9rem;
            }

            .rule-table th,
            .rule-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }

            .rule-block {
                padding: 20px 14px;
            }

            .rule-block h2 {
                font-size: 1.1rem;
            }

            .rule-number {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }

            .cta-panel {
                border-radius: 12px;
            }

            .cta-panel h2 {
                font-size: 1.25rem;
            }

            .newsletter-form {
                flex-direction: column;
            }

            .newsletter-form input {
                min-width: 100%;
            }

            .rules-anchor-title {
                font-size: 0.82rem;
            }

            .rules-anchor li a {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
        }

/* roulang page: category2 */
:root {
            --c-primary: #C8102E;
            --c-primary-hover: #9B0C22;
            --c-secondary: #17403A;
            --c-secondary-dark: #0E2E28;
            --c-bg: #F6F3EE;
            --c-surface: #FFFFFF;
            --c-text: #202124;
            --c-text-muted: #5F6368;
            --c-gold: #D9A441;
            --c-border: #E5E0D8;
            --c-chip-warm: #C8102E;
            --c-chip-active: #17403A;
            --c-chip-muted: #8A8A8A;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.12);
            --font-title: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text);
            background-color: var(--c-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
        }

        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-color: rgba(200, 16, 46, 0.4);
            text-underline-offset: 3px;
        }

        a:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-img);
            display: block;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding-top: var(--spacing-section);
            padding-bottom: 0;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(1.6rem, 2.8vw, 2rem);
            font-weight: 800;
            color: var(--c-text);
            margin-bottom: 0.6rem;
            line-height: 1.4;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            color: var(--c-text-muted);
            font-size: 1rem;
            max-width: 720px;
            margin-bottom: 2rem;
            line-height: 1.8;
            font-family: var(--font-body);
        }

        .section-eyebrow {
            font-family: var(--font-title);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-primary);
            margin-bottom: 0.5rem;
            display: inline-block;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(180%) blur(10px);
            -webkit-backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--c-border);
            z-index: 1000;
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 12px;
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--c-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--c-primary-hover);
            text-decoration: none;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-main a {
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text);
            padding: 8px 12px;
            border-radius: 999px;
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-main a:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--c-primary);
            text-decoration: none;
        }

        .nav-main a.active {
            background: var(--c-primary);
            color: #fff;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
        }

        .nav-chip {
            font-family: var(--font-title);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 5px 11px;
            border-radius: 999px;
            border: 1px solid var(--c-border);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1;
            flex-shrink: 0;
        }

        .nav-chip--warm {
            border-color: rgba(200, 16, 46, 0.35);
            color: var(--c-chip-warm);
            background: rgba(200, 16, 46, 0.04);
        }

        .nav-chip--active {
            border-color: rgba(23, 64, 58, 0.35);
            color: var(--c-chip-active);
            background: rgba(23, 64, 58, 0.06);
        }

        .nav-chip--muted {
            border-color: var(--c-border);
            color: var(--c-chip-muted);
            background: transparent;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--c-text);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
            line-height: 1;
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
            color: var(--c-primary);
        }

        .nav-toggle:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-title);
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: var(--c-primary);
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-title);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-primary);
            background: transparent;
            border: 2px solid var(--c-primary);
            padding: 11px 27px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--c-primary);
            color: #fff;
            text-decoration: none;
            border-color: var(--c-primary);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(1px);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        .btn-link {
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-primary);
            background: none;
            border: none;
            padding: 4px 0;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .btn-link:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .btn-link:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
            border-radius: 2px;
        }

        /* ============ Hero ============ */
        .hero-page {
            padding-top: calc(var(--nav-height) + 56px);
            padding-bottom: 48px;
            background-color: var(--c-secondary);
            background-image: linear-gradient(rgba(14, 46, 40, 0.88), rgba(14, 46, 40, 0.92)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .hero-page::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.02) 0px, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 40px);
            pointer-events: none;
        }

        .hero-page .container-custom {
            position: relative;
            z-index: 1;
        }

        .hero-page .grid-x {
            align-items: center;
        }

        .hero-page h1 {
            font-family: var(--font-title);
            font-size: clamp(2rem, 4vw, 2.85rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        .hero-page .hero-sub {
            font-size: 1.1rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.78);
            font-family: var(--font-body);
            margin-bottom: 1.8rem;
            max-width: 560px;
        }

        .hero-page .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }

        .hero-page .btn-primary {
            background: var(--c-primary);
        }

        .hero-page .btn-primary:hover {
            background: var(--c-primary-hover);
        }

        .hero-page .btn-outline {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
            background: transparent;
        }

        .hero-page .btn-outline:hover {
            background: #fff;
            color: var(--c-secondary);
            border-color: #fff;
        }

        .hero-data-card {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card-hover);
            padding: 22px 24px;
            color: var(--c-text);
        }

        .hero-data-card .hc-title {
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--c-text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-data-card .hc-title i {
            color: var(--c-primary);
            font-size: 0.8rem;
        }

        .hc-numbers {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .hc-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #F6F3EE;
            font-family: var(--font-mono);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-text);
            border: 1px solid var(--c-border);
            transition: all var(--transition-fast);
        }

        .hc-num--hot {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
        }

        .hc-num--warm {
            background: rgba(217, 164, 65, 0.2);
            color: #A67C1A;
            border-color: rgba(217, 164, 65, 0.45);
        }

        .hc-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            font-family: var(--font-title);
            font-size: 0.8rem;
            color: var(--c-text-muted);
            gap: 8px;
            border-top: 1px solid var(--c-border);
            padding-top: 12px;
        }

        .hc-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ Cards ============ */
        .card-base {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth), border-color var(--transition-smooth);
            border: 1px solid transparent;
            overflow: hidden;
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-border);
            transform: translateY(-2px);
        }

        .card-body {
            padding: 20px 24px;
        }

        .card-title {
            font-family: var(--font-title);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .card-text {
            font-size: 0.92rem;
            color: var(--c-text-muted);
            line-height: 1.8;
            font-family: var(--font-body);
            margin-bottom: 0;
        }

        /* ============ Data Panels ============ */
        .data-panel {
            background: var(--c-secondary);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .data-panel::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(217, 164, 65, 0.08);
            pointer-events: none;
        }

        .data-panel .dp-value {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.03em;
        }

        .data-panel .dp-label {
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.72);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        .data-panel .dp-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--c-gold);
            margin-left: 4px;
        }

        /* ============ Analysis Timeline ============ */
        .analysis-timeline {
            position: relative;
            padding-left: 28px;
        }

        .analysis-timeline::before {
            content: '';
            position: absolute;
            left: 11px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--c-primary), var(--c-gold), var(--c-secondary));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 24px;
            padding-left: 20px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -23px;
            top: 10px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--c-primary);
            border: 2px solid var(--c-bg);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.25);
            z-index: 1;
        }

        .timeline-item:nth-child(2)::before {
            background: var(--c-gold);
            box-shadow: 0 0 0 3px rgba(217, 164, 65, 0.25);
        }

        .timeline-item:nth-child(3)::before {
            background: var(--c-secondary);
            box-shadow: 0 0 0 3px rgba(23, 64, 58, 0.25);
        }

        .timeline-item .ti-head {
            font-family: var(--font-title);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .timeline-item .ti-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .timeline-item:nth-child(2) .ti-num {
            background: var(--c-gold);
            color: #fff;
        }

        .timeline-item:nth-child(3) .ti-num {
            background: var(--c-secondary);
        }

        .timeline-item .ti-body {
            font-size: 0.92rem;
            color: var(--c-text-muted);
            line-height: 1.85;
            font-family: var(--font-body);
        }

        /* ============ Analysis Cards ============ */
        .analysis-card {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            border-left: 3px solid var(--c-primary);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            height: 100%;
        }

        .analysis-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .analysis-card--gold {
            border-left-color: var(--c-gold);
        }

        .analysis-card--green {
            border-left-color: var(--c-secondary);
        }

        .analysis-card .ac-head {
            font-family: var(--font-title);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .analysis-card .ac-head i {
            color: var(--c-primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .analysis-card--gold .ac-head i {
            color: var(--c-gold);
        }

        .analysis-card--green .ac-head i {
            color: var(--c-secondary);
        }

        .analysis-card .ac-body {
            font-size: 0.9rem;
            color: var(--c-text-muted);
            line-height: 1.8;
            font-family: var(--font-body);
            margin-bottom: 0;
        }

        .analysis-card .ac-meta {
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid var(--c-border);
            font-family: var(--font-title);
            font-size: 0.78rem;
            color: var(--c-text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .analysis-card .ac-meta .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 999px;
            border: 1px solid var(--c-border);
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--c-text-muted);
            background: var(--c-bg);
        }

        /* ============ Table ============ */
        .table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            background: var(--c-surface);
            -webkit-overflow-scrolling: touch;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-family: var(--font-title);
            font-size: 0.88rem;
            min-width: 760px;
            margin-bottom: 0;
        }

        .data-table thead th {
            background: var(--c-secondary);
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 700;
            font-size: 0.82rem;
            letter-spacing: 0.04em;
            white-space: nowrap;
            border-bottom: 2px solid var(--c-secondary-dark);
        }

        .data-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--c-border);
            color: var(--c-text);
            font-size: 0.86rem;
            white-space: nowrap;
            vertical-align: middle;
        }

        .data-table tbody tr:nth-child(even) {
            background: rgba(246, 243, 238, 0.6);
        }

        .data-table tbody tr:hover {
            background: rgba(200, 16, 46, 0.04);
            transition: background var(--transition-fast);
        }

        .data-table .num-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: #F6F3EE;
            font-family: var(--font-mono);
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--c-text);
            border: 1px solid var(--c-border);
            margin-right: 4px;
        }

        .data-table .num-ball--gold {
            background: rgba(217, 164, 65, 0.25);
            color: #A67C1A;
            border-color: rgba(217, 164, 65, 0.4);
        }

        /* ============ FAQ ============ */
        .accordion-item {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition-fast);
        }

        .accordion-item:hover {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .accordion-trigger {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 22px;
            background: none;
            border: none;
            cursor: pointer;
            font-family: var(--font-title);
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--c-text);
            text-align: left;
            transition: background var(--transition-fast);
            gap: 16px;
            line-height: 1.5;
        }

        .accordion-trigger:hover {
            background: rgba(200, 16, 46, 0.03);
            color: var(--c-primary);
        }

        .accordion-trigger:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: -2px;
        }

        .accordion-trigger .acc-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.08);
            color: var(--c-primary);
            font-size: 0.9rem;
            transition: transform var(--transition-smooth), background var(--transition-fast);
        }

        .accordion-item.is-active .accordion-trigger .acc-icon {
            transform: rotate(45deg);
            background: var(--c-primary);
            color: #fff;
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }

        .accordion-item.is-active .accordion-content {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .accordion-content p {
            font-size: 0.9rem;
            color: var(--c-text-muted);
            line-height: 1.9;
            font-family: var(--font-body);
            margin: 0;
            border-left: 3px solid var(--c-primary);
            padding-left: 16px;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .cta-box {
            background: var(--c-secondary);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(217, 164, 65, 0.1);
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.15);
            pointer-events: none;
        }

        .cta-box h2 {
            font-family: var(--font-title);
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
            letter-spacing: -0.01em;
        }

        .cta-box p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.9;
            max-width: 560px;
            margin: 0 auto 1.8rem;
            font-family: var(--font-body);
            position: relative;
            z-index: 1;
        }

        .cta-box .hero-actions {
            position: relative;
            z-index: 1;
            justify-content: center;
        }

        .cta-box .btn-primary {
            background: var(--c-primary);
        }

        .cta-box .btn-primary:hover {
            background: var(--c-primary-hover);
        }

        .cta-box .btn-outline {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        .cta-box .btn-outline:hover {
            background: #fff;
            color: var(--c-secondary);
            border-color: #fff;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--c-secondary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            font-family: var(--font-body);
            font-size: 0.88rem;
            line-height: 1.8;
        }

        .site-footer .footer-logo {
            font-family: var(--font-title);
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 12px;
            text-decoration: none;
            letter-spacing: -0.02em;
        }

        .site-footer .footer-logo:hover {
            color: var(--c-primary);
            text-decoration: none;
        }

        .site-footer .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.62);
            max-width: 400px;
            margin-bottom: 0;
            line-height: 1.85;
        }

        .site-footer .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 22px;
        }

        .site-footer .footer-links li {
            margin: 0;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.72);
            text-decoration: none;
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 600;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .site-footer .footer-links a:hover {
            color: var(--c-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 32px;
            padding-top: 20px;
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 10px 20px;
            text-align: center;
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 0.72rem;
        }

        .site-footer .footer-bottom a:hover {
            color: var(--c-primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .mgb-24 {
            margin-bottom: 24px;
        }

        .mgb-16 {
            margin-bottom: 16px;
        }

        .mgb-8 {
            margin-bottom: 8px;
        }

        .mgb-32 {
            margin-bottom: 32px;
        }

        .mgb-40 {
            margin-bottom: 40px;
        }

        .mgt-16 {
            margin-top: 16px;
        }

        .mgt-24 {
            margin-top: 24px;
        }

        .mgt-32 {
            margin-top: 32px;
        }

        .text-center {
            text-align: center;
        }

        .text-muted {
            color: var(--c-text-muted);
        }

        .mono {
            font-family: var(--font-mono);
        }

        .font-title {
            font-family: var(--font-title);
        }

        /* ============ Deep Content / Article ============ */
        .article-body {
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 2;
            color: var(--c-text);
        }

        .article-body p {
            margin-bottom: 1.2rem;
        }

        .article-body h3 {
            font-family: var(--font-title);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text);
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            line-height: 1.5;
        }

        .article-body blockquote {
            border-left: 4px solid var(--c-primary);
            background: rgba(200, 16, 46, 0.04);
            padding: 18px 22px;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
            font-style: normal;
            color: var(--c-text-muted);
            font-size: 0.95rem;
        }

        .article-body blockquote strong {
            color: var(--c-text);
            font-family: var(--font-title);
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.6rem;
            line-height: 1.9;
        }

        /* ============ Section Variants ============ */
        .section-deep {
            background: var(--c-surface);
            border-top: 1px solid var(--c-border);
            border-bottom: 1px solid var(--c-border);
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-bg-dark {
            background: var(--c-secondary);
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            color: #fff;
        }

        .section-bg-dark .section-title {
            color: #fff;
        }

        .section-bg-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.68);
        }

        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-bottom: 20px;
        }

        .filter-bar .filter-label {
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--c-text-muted);
            margin-right: 4px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 999px;
            border: 1px solid var(--c-border);
            background: var(--c-surface);
            font-family: var(--font-title);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--c-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .filter-chip:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            text-decoration: none;
        }

        .filter-chip.active {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
        }

        .filter-chip:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1023px) {
            :root {
                --spacing-section: 56px;
            }

            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }

            .nav-main {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
                gap: 8px;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

            .nav-main.is-open {
                display: flex;
            }

            .nav-main a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
            }

            .nav-chips {
                margin-left: 0;
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--c-border);
                width: 100%;
                flex-wrap: wrap;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .hero-page {
                padding-top: calc(var(--nav-height) + 32px);
                padding-bottom: 36px;
            }

            .hero-page h1 {
                font-size: 1.8rem;
            }

            .hero-page .hero-actions {
                flex-direction: column;
            }

            .hero-page .hero-actions .btn-primary,
            .hero-page .hero-actions .btn-outline {
                width: 100%;
            }

            .data-panel .dp-value {
                font-size: 1.8rem;
            }

            .cta-box {
                padding: 36px 24px;
            }
        }

        @media (max-width: 639px) {
            :root {
                --spacing-section: 48px;
                --nav-height: 56px;
            }

            body {
                font-size: 15px;
                line-height: 1.8;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-logo {
                font-size: 1.1rem;
            }

            .nav-logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }

            .hero-page h1 {
                font-size: 1.5rem;
            }

            .hero-page .hero-sub {
                font-size: 0.95rem;
            }

            .hero-page .hero-actions {
                gap: 10px;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .section-subtitle {
                font-size: 0.9rem;
            }

            .card-body {
                padding: 16px 18px;
            }

            .analysis-card {
                padding: 16px 18px;
            }

            .data-panel {
                padding: 20px 22px;
            }

            .data-panel .dp-value {
                font-size: 1.5rem;
            }

            .cta-box {
                padding: 28px 18px;
            }

            .cta-box h2 {
                font-size: 1.3rem;
            }

            .cta-box p {
                font-size: 0.9rem;
            }

            .accordion-trigger {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .accordion-content {
                padding: 0 16px;
            }

            .accordion-item.is-active .accordion-content {
                padding: 0 16px 16px;
            }

            .data-table {
                font-size: 0.78rem;
                min-width: 600px;
            }

            .site-footer .footer-links {
                gap: 8px 14px;
            }

            .site-footer .footer-links a {
                font-size: 0.78rem;
            }

            .filter-chip {
                font-size: 0.75rem;
                padding: 6px 12px;
            }

            .btn-primary,
            .btn-outline {
                min-height: 44px;
                font-size: 0.88rem;
                padding: 10px 20px;
            }

            .analysis-timeline {
                padding-left: 22px;
            }

            .analysis-timeline::before {
                left: 9px;
            }

            .timeline-item {
                padding-left: 14px;
            }

            .timeline-item::before {
                left: -17px;
                width: 8px;
                height: 8px;
            }
        }

        @media (max-width: 420px) {
            .hero-page h1 {
                font-size: 1.3rem;
            }

            .hero-data-card {
                padding: 16px 18px;
            }

            .hc-num {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }

            .data-panel .dp-value {
                font-size: 1.25rem;
            }
        }

/* roulang page: category1 */
:root {
      --c-primary: #C8102E;
      --c-primary-hover: #9B0C22;
      --c-secondary: #17403A;
      --c-secondary-dark: #0E2E28;
      --c-bg: #F6F3EE;
      --c-surface: #FFFFFF;
      --c-text: #202124;
      --c-text-muted: #5F6368;
      --c-gold: #D9A441;
      --c-border: #E5E0D8;
      --c-chip-warm: #C8102E;
      --c-chip-active: #17403A;
      --c-chip-muted: #8A8A8A;
      --radius-card: 12px;
      --radius-btn: 999px;
      --radius-img: 8px;
      --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
      --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.12);
      --font-title: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-body: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", serif;
      --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
      --spacing-section: 72px;
      --spacing-section-mobile: 48px;
      --container-max: 1200px;
      --nav-height: 64px;
      --transition-fast: 0.2s ease;
      --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @media (max-width: 1023px) {
      :root { --spacing-section: 48px; }
    }
    @media (max-width: 639px) {
      :root { --nav-height: 56px; }
    }

    /* reset & base */
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.9;
      color: var(--c-text);
      background-color: var(--c-bg);
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    a {
      color: var(--c-primary);
      text-decoration: none;
      transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
    }
    a:hover {
      color: var(--c-primary-hover);
      text-decoration: underline;
      text-decoration-color: rgba(200, 16, 46, 0.4);
      text-underline-offset: 3px;
    }
    a:focus-visible {
      outline: 3px solid rgba(200, 16, 46, 0.35);
      outline-offset: 2px;
      border-radius: 2px;
    }
    img {
      max-width: 100%;
      height: auto;
      border-radius: var(--radius-img);
      display: block;
    }
    .container-custom {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    @media (max-width: 639px) {
      .container-custom { padding-left: 16px; padding-right: 16px; }
      body { font-size: 15px; line-height: 1.8; }
    }
    section { padding-top: var(--spacing-section); padding-bottom: 0; }
    .section-title {
      font-family: var(--font-title);
      font-size: clamp(1.7rem, 3vw, 2.2rem);
      font-weight: 800;
      color: var(--c-text);
      letter-spacing: -0.01em;
      margin-bottom: 0.6rem;
      line-height: 1.3;
    }
    .section-subtitle {
      color: var(--c-text-muted);
      font-size: 1rem;
      max-width: 720px;
      margin-bottom: 2rem;
      line-height: 1.8;
      font-family: var(--font-body);
    }
    .section-lead {
      font-family: var(--font-body);
      color: var(--c-text-muted);
      font-size: 1.05rem;
      line-height: 2;
      max-width: 820px;
    }
    .text-accent { color: var(--c-primary); font-weight: 700; }
    .mgb-12 { margin-bottom: 12px; }
    .mgb-24 { margin-bottom: 24px; }
    .mgb-32 { margin-bottom: 32px; }
    .mgb-48 { margin-bottom: 48px; }
    .mgt-24 { margin-top: 24px; }

    /* ============ Header / Nav ============ */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: var(--nav-height);
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: saturate(180%) blur(10px);
      -webkit-backdrop-filter: saturate(180%) blur(10px);
      border-bottom: 1px solid var(--c-border);
      z-index: 1000;
      transition: box-shadow var(--transition-fast);
    }
    .site-header.scrolled {
      box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    }
    .site-header .container-custom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: var(--nav-height);
    }
    .nav-logo {
      font-family: var(--font-title);
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--c-primary);
      letter-spacing: -0.02em;
      white-space: nowrap;
      display: flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }
    .nav-logo:hover { color: var(--c-primary-hover); text-decoration: none; }
    .nav-logo .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--c-primary);
      color: #fff;
      font-size: 0.9rem;
      font-weight: 700;
      flex-shrink: 0;
    }
    .nav-main {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .nav-main > a {
      font-family: var(--font-title);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--c-text);
      padding: 8px 14px;
      border-radius: 999px;
      white-space: nowrap;
      transition: background var(--transition-fast), color var(--transition-fast);
      text-decoration: none;
      letter-spacing: 0.01em;
    }
    .nav-main > a:hover {
      background: rgba(200, 16, 46, 0.06);
      color: var(--c-primary);
      text-decoration: none;
    }
    .nav-main > a.active {
      background: var(--c-primary);
      color: #fff;
      box-shadow: 0 2px 8px rgba(200, 16, 46, 0.25);
    }
    .nav-chips {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: 10px;
      padding-left: 10px;
      border-left: 1px solid var(--c-border);
    }
    .nav-chip {
      font-family: var(--font-title);
      font-size: 0.72rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 999px;
      white-space: nowrap;
      letter-spacing: 0.04em;
      border: 1px solid transparent;
      line-height: 1.5;
    }
    .nav-chip--warm {
      color: var(--c-chip-warm);
      border-color: rgba(200, 16, 46, 0.4);
      background: rgba(200, 16, 46, 0.05);
    }
    .nav-chip--active {
      color: var(--c-chip-active);
      border-color: rgba(23, 64, 58, 0.4);
      background: rgba(23, 64, 58, 0.06);
    }
    .nav-chip--muted {
      color: var(--c-chip-muted);
      border-color: rgba(138, 138, 138, 0.35);
      background: rgba(138, 138, 138, 0.05);
    }
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.4rem;
      color: var(--c-text);
      cursor: pointer;
      padding: 8px;
      border-radius: 8px;
      transition: background var(--transition-fast);
    }
    .nav-toggle:hover { background: rgba(0, 0, 0, 0.06); }
    @media (max-width: 1023px) {
      .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
      .nav-main {
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        background: #fff;
        border-bottom: 1px solid var(--c-border);
        padding: 16px 24px 20px;
        display: none;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
      }
      .nav-main.open { display: flex; }
      .nav-main > a {
        display: block;
        width: 100%;
        padding: 10px 16px;
        border-radius: 8px;
        font-size: 0.95rem;
      }
      .nav-chips {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        margin-top: 8px;
        width: 100%;
        flex-wrap: wrap;
      }
    }

    /* ============ Hero ============ */
    .hero-results {
      position: relative;
      background: linear-gradient(135deg, #0E2E28 0%, #17403A 55%, #1D4F46 100%);
      padding-top: calc(var(--nav-height) + 56px);
      padding-bottom: 56px;
      overflow: hidden;
      min-height: 480px;
      display: flex;
      align-items: center;
    }
    .hero-results::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.22;
      pointer-events: none;
    }
    .hero-results::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(14, 46, 40, 0.45) 0%, rgba(14, 46, 40, 0.88) 100%);
      pointer-events: none;
    }
    .hero-results .container-custom {
      position: relative;
      z-index: 1;
      width: 100%;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(217, 164, 65, 0.18);
      border: 1px solid rgba(217, 164, 65, 0.5);
      color: var(--c-gold);
      font-family: var(--font-title);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 999px;
      letter-spacing: 0.06em;
      margin-bottom: 18px;
      text-transform: uppercase;
    }
    .hero-results h1 {
      font-family: var(--font-title);
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800;
      color: #fff;
      letter-spacing: -0.02em;
      line-height: 1.25;
      margin-bottom: 16px;
      max-width: 640px;
    }
    .hero-results h1 .gold-underline {
      color: var(--c-gold);
      border-bottom: 3px solid rgba(217, 164, 65, 0.6);
      padding-bottom: 2px;
    }
    .hero-results .hero-sub {
      font-family: var(--font-body);
      color: rgba(255, 255, 255, 0.85);
      font-size: 1.05rem;
      line-height: 1.9;
      max-width: 600px;
      margin-bottom: 28px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--c-primary);
      color: #fff;
      font-family: var(--font-title);
      font-size: 1rem;
      font-weight: 700;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      border: none;
      cursor: pointer;
      transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
      text-decoration: none;
      letter-spacing: 0.02em;
      min-height: 48px;
    }
    .btn-primary:hover {
      background: var(--c-primary-hover);
      color: #fff;
      text-decoration: none;
      box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
      transform: translateY(-1px);
    }
    .btn-primary:active { transform: translateY(1px); }
    .btn-primary:focus-visible {
      outline: 3px solid rgba(200, 16, 46, 0.35);
      outline-offset: 2px;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: #fff;
      font-family: var(--font-title);
      font-size: 1rem;
      font-weight: 700;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      border: 2px solid rgba(255, 255, 255, 0.65);
      cursor: pointer;
      transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
      text-decoration: none;
      letter-spacing: 0.02em;
      min-height: 48px;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #fff;
      color: #fff;
      text-decoration: none;
    }
    .btn-outline:focus-visible {
      outline: 3px solid rgba(255, 255, 255, 0.5);
      outline-offset: 2px;
    }
    .hero-result-card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-card);
      padding: 22px;
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    }
    .hero-result-card .rc-label {
      font-family: var(--font-title);
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--c-gold);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .hero-result-card .rc-game {
      font-family: var(--font-title);
      font-size: 1.15rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 4px;
    }
    .hero-result-card .rc-meta {
      font-family: var(--font-body);
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 14px;
    }
    .hero-balls {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }
    .ball {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      font-family: var(--font-mono);
      font-size: 0.95rem;
      font-weight: 700;
      flex-shrink: 0;
    }
    .ball--red {
      background: #fff;
      color: var(--c-primary);
      border: 2px solid var(--c-primary);
      box-shadow: 0 2px 8px rgba(200, 16, 46, 0.2);
    }
    .ball--blue {
      background: var(--c-secondary);
      color: #fff;
      border: 2px solid var(--c-secondary);
      box-shadow: 0 2px 8px rgba(23, 64, 58, 0.3);
    }
    .ball--gold {
      background: var(--c-gold);
      color: #fff;
      border: 2px solid var(--c-gold);
      box-shadow: 0 2px 8px rgba(217, 164, 65, 0.3);
    }
    @media (max-width: 639px) {
      .hero-results { min-height: auto; padding-top: calc(var(--nav-height) + 32px); padding-bottom: 32px; }
      .hero-balls .ball { width: 34px; height: 34px; font-size: 0.82rem; }
      .hero-actions { flex-direction: column; width: 100%; }
      .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; }
    }

    /* ============ Toolbar / Filter ============ */
    .toolbar-card {
      background: var(--c-surface);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 18px 22px;
      margin-top: -40px;
      position: relative;
      z-index: 2;
      border: 1px solid var(--c-border);
    }
    .toolbar-card form {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: flex-end;
    }
    .toolbar-card label {
      font-family: var(--font-title);
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--c-text-muted);
      display: block;
      margin-bottom: 4px;
    }
    .toolbar-card select,
    .toolbar-card input[type="date"] {
      font-family: var(--font-title);
      font-size: 0.9rem;
      padding: 10px 14px;
      border: 1px solid var(--c-border);
      border-radius: 8px;
      background: #fff;
      color: var(--c-text);
      min-width: 140px;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .toolbar-card select:focus,
    .toolbar-card input[type="date"]:focus {
      border-color: var(--c-primary);
      box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12);
      outline: none;
    }
    .btn-submit {
      background: var(--c-primary);
      color: #fff;
      font-family: var(--font-title);
      font-size: 0.92rem;
      font-weight: 700;
      padding: 11px 24px;
      border-radius: var(--radius-btn);
      border: none;
      cursor: pointer;
      transition: background var(--transition-fast), transform var(--transition-fast);
      min-height: 44px;
    }
    .btn-submit:hover { background: var(--c-primary-hover); }
    .btn-submit:active { transform: translateY(1px); }
    .btn-submit:focus-visible { outline: 3px solid rgba(200, 16, 46, 0.35); outline-offset: 2px; }
    @media (max-width: 639px) {
      .toolbar-card form { flex-direction: column; align-items: stretch; }
      .toolbar-card select, .toolbar-card input[type="date"] { min-width: 100%; }
      .toolbar-card { padding: 14px 16px; }
    }

    /* ============ Result Table ============ */
    .table-wrap {
      background: var(--c-surface);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 20px 22px;
      overflow-x: auto;
      border: 1px solid var(--c-border);
    }
    .result-table {
      width: 100%;
      border-collapse: collapse;
      font-family: var(--font-title);
      font-size: 0.9rem;
      min-width: 720px;
    }
    .result-table thead th {
      font-weight: 700;
      color: var(--c-text-muted);
      text-align: left;
      padding: 12px 14px;
      border-bottom: 2px solid var(--c-secondary);
      white-space: nowrap;
      font-size: 0.8rem;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }
    .result-table tbody td {
      padding: 14px;
      border-bottom: 1px solid var(--c-border);
      vertical-align: middle;
    }
    .result-table tbody tr:nth-child(odd) {
      background: #FBF9F7;
    }
    .result-table tbody tr:hover {
      background: rgba(200, 16, 46, 0.04);
    }
    .result-table .issue {
      font-family: var(--font-mono);
      font-weight: 600;
      color: var(--c-text);
    }
    .result-table .game-name {
      font-weight: 700;
      color: var(--c-secondary);
    }
    .result-table .balls-cell {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      align-items: center;
    }
    .result-table .mini-ball {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      font-family: var(--font-mono);
      font-size: 0.75rem;
      font-weight: 700;
      flex-shrink: 0;
    }
    .mini-ball--red { background: #fff; color: var(--c-primary); border: 2px solid var(--c-primary); }
    .mini-ball--blue { background: var(--c-secondary); color: #fff; border: 2px solid var(--c-secondary); }
    .mini-ball--gold { background: var(--c-gold); color: #fff; border: 2px solid var(--c-gold); }
    .result-table .status-pill {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 999px;
      letter-spacing: 0.02em;
    }
    .status-pill--published { background: rgba(23, 64, 58, 0.1); color: var(--c-secondary); border: 1px solid rgba(23, 64, 58, 0.25); }
    .status-pill--pending { background: rgba(217, 164, 65, 0.1); color: var(--c-gold); border: 1px solid rgba(217, 164, 65, 0.3); }
    .btn-link {
      font-family: var(--font-title);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--c-primary);
      text-decoration: none;
      transition: color var(--transition-fast);
    }
    .btn-link:hover { color: var(--c-primary-hover); text-decoration: underline; }
    @media (max-width: 639px) {
      .table-wrap { padding: 12px 14px; }
      .result-table { min-width: 600px; font-size: 0.8rem; }
      .result-table .mini-ball { width: 26px; height: 26px; font-size: 0.7rem; }
    }

    /* ============ Latest Cards ============ */
    .latest-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .latest-card {
      background: var(--c-surface);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 20px;
      border: 1px solid var(--c-border);
      transition: box-shadow var(--transition-smooth), border-color var(--transition-fast), transform var(--transition-fast);
    }
    .latest-card:hover {
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(200, 16, 46, 0.4);
      transform: translateY(-2px);
    }
    .latest-card .lc-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }
    .latest-card .lc-game {
      font-family: var(--font-title);
      font-weight: 800;
      font-size: 1.05rem;
      color: var(--c-secondary);
    }
    .latest-card .lc-issue {
      font-family: var(--font-mono);
      font-size: 0.75rem;
      color: var(--c-text-muted);
    }
    .latest-card .lc-date {
      font-family: var(--font-body);
      font-size: 0.78rem;
      color: var(--c-text-muted);
      margin-bottom: 12px;
    }
    .latest-card .lc-balls {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    @media (max-width: 1023px) {
      .latest-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 639px) {
      .latest-grid { grid-template-columns: 1fr; }
    }

    /* ============ Schedule ============ */
    .schedule-panel {
      background: var(--c-secondary);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      color: #fff;
    }
    .schedule-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.15);
      flex-wrap: wrap;
      gap: 8px;
    }
    .schedule-item:last-child { border-bottom: none; }
    .schedule-item .si-game {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 1rem;
    }
    .schedule-item .si-time {
      font-family: var(--font-mono);
      font-size: 0.9rem;
      color: var(--c-gold);
      font-weight: 600;
    }
    .schedule-item .si-note {
      font-family: var(--font-body);
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.7);
      width: 100%;
    }
    @media (max-width: 639px) {
      .schedule-panel { padding: 20px 16px; }
      .schedule-item { flex-direction: column; align-items: flex-start; }
    }

    /* ============ Data Explanation ============ */
    .data-explain {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: start;
    }
    .data-explain .de-text {
      font-family: var(--font-body);
      color: var(--c-text);
      font-size: 1rem;
      line-height: 2.05;
    }
    .data-explain .de-text p { margin-bottom: 1.2rem; }
    .data-explain .de-side {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 22px;
      border-left: 4px solid var(--c-primary);
      border-top: 1px solid var(--c-border);
      border-right: 1px solid var(--c-border);
      border-bottom: 1px solid var(--c-border);
    }
    .data-explain .de-side h4 {
      font-family: var(--font-title);
      font-weight: 700;
      color: var(--c-secondary);
      font-size: 1.05rem;
      margin-bottom: 10px;
    }
    .data-explain .de-side ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .data-explain .de-side ul li {
      position: relative;
      padding-left: 22px;
      margin-bottom: 10px;
      font-family: var(--font-body);
      font-size: 0.9rem;
      color: var(--c-text-muted);
      line-height: 1.75;
    }
    .data-explain .de-side ul li::before {
      content: "\f058";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      color: var(--c-primary);
      font-size: 0.85rem;
    }
    @media (max-width: 1023px) {
      .data-explain { grid-template-columns: 1fr; }
    }

    /* ============ Hot Balls Panel ============ */
    .hot-panel {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 24px;
      border: 1px solid var(--c-border);
    }
    .hot-panel .hp-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
      flex-wrap: wrap;
      gap: 8px;
    }
    .hot-panel .hp-header h3 {
      font-family: var(--font-title);
      font-weight: 800;
      font-size: 1.1rem;
      color: var(--c-text);
      margin: 0;
    }
    .hot-panel .hp-tag {
      font-family: var(--font-title);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
      background: rgba(217, 164, 65, 0.12);
      color: var(--c-gold);
      letter-spacing: 0.05em;
    }
    .hot-balls-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .hot-ball-item {
      text-align: center;
    }
    .hot-ball-item .hb-ball {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono);
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 4px;
    }
    .hot-ball-item .hb-count {
      font-family: var(--font-title);
      font-size: 0.7rem;
      color: var(--c-text-muted);
    }
    @media (max-width: 639px) {
      .hot-balls-row { gap: 8px; }
      .hot-ball-item .hb-ball { width: 38px; height: 38px; font-size: 0.85rem; }
    }

    /* ============ CTA Section ============ */
    .cta-section {
      background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-hover) 100%);
      border-radius: var(--radius-card);
      padding: 40px 32px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-section::after {
      content: "";
      position: absolute;
      right: -30px;
      top: -30px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
    }
    .cta-section h2 {
      font-family: var(--font-title);
      font-weight: 800;
      font-size: clamp(1.4rem, 2.5vw, 1.8rem);
      margin-bottom: 8px;
      position: relative;
      z-index: 1;
    }
    .cta-section p {
      font-family: var(--font-body);
      font-size: 1rem;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 22px;
      position: relative;
      z-index: 1;
    }
    .cta-form {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      position: relative;
      z-index: 1;
    }
    .cta-form input[type="email"],
    .cta-form input[type="text"] {
      font-family: var(--font-title);
      font-size: 0.92rem;
      padding: 12px 18px;
      border: 1px solid rgba(255, 255, 255, 0.35);
      border-radius: var(--radius-btn);
      background: rgba(255, 255, 255, 0.95);
      color: var(--c-text);
      min-width: 240px;
      flex: 1;
      transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
    }
    .cta-form input:focus {
      border-color: #fff;
      box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.25);
      outline: none;
    }
    .btn-white {
      background: #fff;
      color: var(--c-primary);
      font-family: var(--font-title);
      font-size: 0.92rem;
      font-weight: 700;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      border: none;
      cursor: pointer;
      transition: background var(--transition-fast), transform var(--transition-fast);
      min-height: 48px;
    }
    .btn-white:hover { background: rgba(255, 255, 255, 0.9); }
    .btn-white:active { transform: translateY(1px); }
    .btn-white:focus-visible { outline: 3px solid rgba(255, 255, 255, 0.5); outline-offset: 2px; }
    @media (max-width: 639px) {
      .cta-section { padding: 28px 18px; }
      .cta-form { flex-direction: column; }
      .cta-form input[type="email"], .cta-form input[type="text"] { min-width: 100%; }
    }

    /* ============ Responsibly ============ */
    .responsible-card {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 24px;
      border: 1px solid var(--c-border);
      border-left: 4px solid var(--c-secondary);
    }
    .responsible-card h3 {
      font-family: var(--font-title);
      font-weight: 800;
      color: var(--c-secondary);
      font-size: 1.05rem;
      margin-bottom: 10px;
    }
    .responsible-card p {
      font-family: var(--font-body);
      font-size: 0.95rem;
      color: var(--c-text-muted);
      line-height: 1.85;
      margin-bottom: 0;
    }

    /* ============ FAQ Accordion ============ */
    .accordion-faq .accordion-item {
      background: #fff;
      border-radius: var(--radius-card);
      margin-bottom: 12px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--c-border);
      overflow: hidden;
      transition: border-color var(--transition-fast);
    }
    .accordion-faq .accordion-item:hover {
      border-color: rgba(200, 16, 46, 0.35);
    }
    .accordion-faq .accordion-title {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 1rem;
      color: var(--c-text);
      padding: 16px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin: 0;
      background: none;
      border: none;
      width: 100%;
      text-align: left;
      transition: color var(--transition-fast);
    }
    .accordion-faq .accordion-title:hover { color: var(--c-primary); }
    .accordion-faq .accordion-title .fa-chevron-down {
      transition: transform var(--transition-smooth);
      color: var(--c-primary);
      flex-shrink: 0;
    }
    .accordion-faq .accordion-item.is-active .accordion-title {
      color: var(--c-primary);
      border-left: 4px solid var(--c-primary);
      padding-left: 16px;
    }
    .accordion-faq .accordion-item.is-active .fa-chevron-down { transform: rotate(180deg); }
    .accordion-faq .accordion-content {
      padding: 0 20px 18px;
      font-family: var(--font-body);
      font-size: 0.95rem;
      color: var(--c-text-muted);
      line-height: 1.85;
      display: none;
    }
    .accordion-faq .accordion-item.is-active .accordion-content { display: block; }

    /* ============ Footer ============ */
    .site-footer {
      background: var(--c-secondary-dark);
      color: rgba(255, 255, 255, 0.85);
      padding: 48px 0 24px;
      margin-top: 64px;
      font-family: var(--font-title);
    }
    .footer-logo {
      font-family: var(--font-title);
      font-size: 1.2rem;
      font-weight: 800;
      color: #fff !important;
      display: block;
      margin-bottom: 8px;
      text-decoration: none;
    }
    .footer-logo:hover { color: var(--c-gold) !important; text-decoration: none; }
    .footer-desc {
      font-family: var(--font-body);
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.8;
      margin-bottom: 0;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 8px 20px;
      justify-content: flex-end;
    }
    .footer-links a {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.8);
      text-decoration: none;
      transition: color var(--transition-fast);
    }
    .footer-links a:hover { color: var(--c-gold); text-decoration: underline; }
    .footer-bottom {
      margin-top: 28px;
      padding-top: 16px;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      display: flex;
      flex-wrap: wrap;
      gap: 10px 20px;
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.55);
      align-items: center;
    }
    .footer-bottom a {
      color: rgba(255, 255, 255, 0.55);
      text-decoration: none;
      transition: color var(--transition-fast);
    }
    .footer-bottom a:hover { color: var(--c-gold); }
    @media (max-width: 1023px) {
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 639px) {
      .footer-bottom { flex-direction: column; align-items: flex-start; }
      .site-footer { padding: 32px 0 18px; margin-top: 40px; }
    }

/* roulang page: category4 */
:root {
        --c-primary: #C8102E;
        --c-primary-hover: #9B0C22;
        --c-secondary: #17403A;
        --c-secondary-dark: #0E2E28;
        --c-bg: #F6F3EE;
        --c-surface: #FFFFFF;
        --c-text: #202124;
        --c-text-muted: #5F6368;
        --c-gold: #D9A441;
        --c-border: #E5E0D8;
        --c-chip-warm: #C8102E;
        --c-chip-active: #17403A;
        --c-chip-muted: #8A8A8A;
        --radius-card: 12px;
        --radius-btn: 999px;
        --radius-img: 8px;
        --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
        --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.12);
        --font-title: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
        --font-body: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", serif;
        --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
        --spacing-section: 72px;
        --spacing-section-mobile: 48px;
        --container-max: 1200px;
        --nav-height: 64px;
        --transition-fast: 0.2s ease;
        --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.9;
        color: var(--c-text);
        background-color: var(--c-bg);
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        padding-top: var(--nav-height);
    }

    a {
        color: var(--c-primary);
        text-decoration: none;
        transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
    }

    a:hover {
        color: var(--c-primary-hover);
        text-decoration: underline;
        text-decoration-color: rgba(200, 16, 46, 0.4);
        text-underline-offset: 3px;
    }

    a:focus-visible {
        outline: 3px solid rgba(200, 16, 46, 0.35);
        outline-offset: 2px;
        border-radius: 2px;
    }

    img {
        max-width: 100%;
        height: auto;
        border-radius: var(--radius-img);
        display: block;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: var(--font-title);
        color: var(--c-text);
        line-height: 1.3;
        margin-top: 0;
    }

    h1 {
        font-size: clamp(2rem, 4vw, 2.8rem);
        font-weight: 800;
        letter-spacing: -0.02em;
    }

    h2 {
        font-size: clamp(1.5rem, 2.5vw, 1.9rem);
        font-weight: 700;
        margin-bottom: 1rem;
    }

    h3 {
        font-size: clamp(1.15rem, 2vw, 1.35rem);
        font-weight: 600;
    }

    p {
        margin-bottom: 1rem;
    }

    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    section {
        padding-top: var(--spacing-section);
        padding-bottom: 0;
    }

    .section-title {
        font-size: clamp(1.6rem, 2.8vw, 2rem);
        margin-bottom: 0.6rem;
        font-family: var(--font-title);
        font-weight: 700;
        color: var(--c-text);
    }

    .section-subtitle {
        color: var(--c-text-muted);
        font-size: 1rem;
        max-width: 720px;
        margin-bottom: 2rem;
        line-height: 1.8;
        font-family: var(--font-body);
    }

    .mgb-8 { margin-bottom: 8px; }
    .mgb-16 { margin-bottom: 16px; }
    .mgb-24 { margin-bottom: 24px; }
    .mgb-32 { margin-bottom: 32px; }
    .mgb-40 { margin-bottom: 40px; }
    .mgb-48 { margin-bottom: 48px; }
    .mgt-16 { margin-top: 16px; }
    .mgt-24 { margin-top: 24px; }

    /* ============ Header / Nav ============ */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--nav-height);
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: saturate(180%) blur(10px);
        -webkit-backdrop-filter: saturate(180%) blur(10px);
        border-bottom: 1px solid var(--c-border);
        z-index: 1000;
        transition: box-shadow var(--transition-fast);
    }

    .site-header.scrolled {
        box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    }

    .site-header .container-custom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--nav-height);
    }

    .nav-logo {
        font-family: var(--font-title);
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--c-primary);
        letter-spacing: -0.02em;
        white-space: nowrap;
        display: flex;
        align-items: center;
        gap: 8px;
        text-decoration: none;
    }

    .nav-logo:hover {
        color: var(--c-primary-hover);
        text-decoration: none;
    }

    .nav-logo .logo-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: var(--c-primary);
        color: #fff;
        font-size: 0.9rem;
        font-weight: 700;
        flex-shrink: 0;
    }

    .nav-main {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .nav-main a {
        font-family: var(--font-title);
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--c-text);
        padding: 8px 14px;
        border-radius: 999px;
        white-space: nowrap;
        transition: background var(--transition-fast), color var(--transition-fast);
        text-decoration: none;
        letter-spacing: 0.01em;
    }

    .nav-main a:hover {
        background: rgba(200, 16, 46, 0.06);
        color: var(--c-primary);
        text-decoration: none;
    }

    .nav-main a.active {
        background: var(--c-primary);
        color: #fff;
    }

    .nav-chips {
        display: flex;
        align-items: center;
        gap: 6px;
        margin-left: 10px;
        padding-left: 12px;
        border-left: 1px solid var(--c-border);
    }

    .nav-chip {
        display: inline-flex;
        align-items: center;
        font-family: var(--font-title);
        font-size: 0.72rem;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        border: 1.5px solid transparent;
        letter-spacing: 0.02em;
        cursor: default;
        user-select: none;
    }

    .nav-chip--warm {
        border-color: var(--c-chip-warm);
        color: var(--c-chip-warm);
        background: rgba(200, 16, 46, 0.06);
    }

    .nav-chip--active {
        border-color: var(--c-chip-active);
        color: var(--c-chip-active);
        background: rgba(23, 64, 58, 0.08);
    }

    .nav-chip--muted {
        border-color: var(--c-chip-muted);
        color: var(--c-chip-muted);
        background: rgba(138, 138, 138, 0.08);
    }

    .nav-toggle {
        display: none;
        background: transparent;
        border: none;
        color: var(--c-text);
        font-size: 1.4rem;
        cursor: pointer;
        padding: 8px;
        transition: color var(--transition-fast);
    }

    .nav-toggle:hover {
        color: var(--c-primary);
    }

    /* ============ Buttons ============ */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-family: var(--font-title);
        font-size: 0.95rem;
        font-weight: 700;
        padding: 14px 28px;
        min-height: 48px;
        border-radius: var(--radius-btn);
        background: var(--c-primary);
        color: #fff;
        border: none;
        cursor: pointer;
        transition: background var(--transition-fast), transform var(--transition-fast),
            box-shadow var(--transition-fast);
        text-decoration: none;
        letter-spacing: 0.02em;
    }

    .btn-primary:hover {
        background: var(--c-primary-hover);
        color: #fff;
        text-decoration: none;
        box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
    }

    .btn-primary:active {
        transform: translateY(1px);
    }

    .btn-primary:focus-visible {
        outline: 3px solid rgba(200, 16, 46, 0.35);
        outline-offset: 2px;
    }

    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-family: var(--font-title);
        font-size: 0.95rem;
        font-weight: 600;
        padding: 13px 27px;
        min-height: 48px;
        border-radius: var(--radius-btn);
        background: transparent;
        color: var(--c-primary);
        border: 2px solid var(--c-primary);
        cursor: pointer;
        transition: background var(--transition-fast), color var(--transition-fast),
            border-color var(--transition-fast);
        text-decoration: none;
    }

    .btn-outline:hover {
        background: var(--c-primary);
        color: #fff;
        text-decoration: none;
        border-color: var(--c-primary);
    }

    .btn-outline:focus-visible {
        outline: 3px solid rgba(200, 16, 46, 0.35);
        outline-offset: 2px;
    }

    .btn-sm {
        font-size: 0.82rem;
        padding: 10px 18px;
        min-height: 38px;
        border-radius: 999px;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        border: 1.5px solid var(--c-primary);
        color: var(--c-primary);
        background: transparent;
        cursor: pointer;
        text-decoration: none;
        font-family: var(--font-title);
        transition: background var(--transition-fast), color var(--transition-fast);
    }

    .btn-sm:hover {
        background: var(--c-primary);
        color: #fff;
        text-decoration: none;
    }

    .btn-sm .fas {
        font-size: 0.7rem;
    }

    /* ============ Cards ============ */
    .data-card {
        background: var(--c-surface);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 24px;
        transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth),
            transform var(--transition-smooth);
        border: 1px solid var(--c-border);
    }

    .data-card:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: var(--c-primary);
        transform: translateY(-2px);
    }

    .tag-chip {
        display: inline-flex;
        align-items: center;
        font-family: var(--font-title);
        font-size: 0.75rem;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: 999px;
        border: 1.5px solid var(--c-border);
        color: var(--c-text-muted);
        background: var(--c-surface);
        transition: border-color var(--transition-fast), color var(--transition-fast),
            background var(--transition-fast);
        cursor: pointer;
        text-decoration: none;
        user-select: none;
    }

    .tag-chip:hover {
        border-color: var(--c-primary);
        color: var(--c-primary);
        background: rgba(200, 16, 46, 0.04);
    }

    .tag-chip--active {
        border-color: var(--c-primary);
        color: #fff;
        background: var(--c-primary);
    }

    /* ============ Hero ============ */
    .hero-section {
        position: relative;
        min-height: 460px;
        display: flex;
        align-items: center;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        border-radius: 0;
        margin-top: 0;
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(23, 64, 58, 0.92) 0%, rgba(23, 64, 58, 0.78) 40%, rgba(200, 16, 46, 0.65) 100%);
        z-index: 1;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        padding: 60px 0;
        color: #fff;
        width: 100%;
    }

    .hero-content h1 {
        color: #fff;
        margin-bottom: 0.8rem;
        font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    }

    .hero-content .hero-subtitle {
        color: rgba(255, 255, 255, 0.85);
        font-size: 1.05rem;
        max-width: 620px;
        line-height: 1.8;
        margin-bottom: 1.8rem;
        font-family: var(--font-body);
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(217, 164, 65, 0.9);
        color: #1E1E1E;
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 0.78rem;
        padding: 6px 16px;
        border-radius: 999px;
        margin-bottom: 1.2rem;
        letter-spacing: 0.05em;
    }

    .hero-badge .fas {
        font-size: 0.7rem;
    }

    .hero-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        align-items: center;
    }

    /* ============ Stat Panel ============ */
    .stat-panel {
        background: var(--c-secondary);
        border-radius: var(--radius-card);
        padding: 30px 24px;
        color: #fff;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-around;
        gap: 20px;
        align-items: stretch;
    }

    .stat-item {
        text-align: center;
        flex: 1 1 180px;
        min-width: 140px;
    }

    .stat-number {
        font-family: var(--font-mono);
        font-size: 2.2rem;
        font-weight: 700;
        color: var(--c-gold);
        display: block;
        line-height: 1.2;
        margin-bottom: 4px;
    }

    .stat-label {
        font-family: var(--font-title);
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.75);
    }

    /* ============ News List ============ */
    .news-list-card {
        background: var(--c-surface);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--c-border);
        overflow: hidden;
        transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
    }

    .news-list-card:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: var(--c-primary);
    }

    .news-item {
        display: flex;
        align-items: flex-start;
        gap: 20px;
        padding: 20px 24px;
        border-bottom: 1px solid var(--c-border);
        transition: background var(--transition-fast);
    }

    .news-item:last-child {
        border-bottom: none;
    }

    .news-item:hover {
        background: rgba(246, 243, 238, 0.6);
    }

    .news-date-block {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-width: 76px;
        background: var(--c-bg);
        border-radius: 8px;
        padding: 10px 12px;
        text-align: center;
        flex-shrink: 0;
    }

    .news-date-day {
        font-family: var(--font-mono);
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--c-primary);
        line-height: 1.1;
    }

    .news-date-month {
        font-family: var(--font-title);
        font-size: 0.75rem;
        color: var(--c-text-muted);
        font-weight: 600;
        text-transform: uppercase;
    }

    .news-body {
        flex: 1;
        min-width: 0;
    }

    .news-title {
        font-family: var(--font-title);
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--c-text);
        margin-bottom: 6px;
        line-height: 1.4;
    }

    .news-summary {
        font-size: 0.88rem;
        color: var(--c-text-muted);
        line-height: 1.7;
        margin-bottom: 8px;
        font-family: var(--font-body);
    }

    .news-read-more {
        font-family: var(--font-title);
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--c-primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        text-decoration: none;
        transition: color var(--transition-fast);
    }

    .news-read-more:hover {
        color: var(--c-primary-hover);
        text-decoration: underline;
        text-decoration-color: rgba(200, 16, 46, 0.4);
        text-underline-offset: 3px;
    }

    /* ============ Sidebar ============ */
    .sidebar-card {
        background: var(--c-surface);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--c-border);
        padding: 24px;
    }

    .sidebar-card + .sidebar-card {
        margin-top: 20px;
    }

    .sidebar-title {
        font-family: var(--font-title);
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--c-text);
        margin-bottom: 16px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--c-primary);
        display: inline-block;
    }

    .sidebar-links {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .sidebar-links li {
        padding: 10px 0;
        border-bottom: 1px solid var(--c-border);
    }

    .sidebar-links li:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .sidebar-links a {
        font-family: var(--font-title);
        font-size: 0.88rem;
        font-weight: 500;
        color: var(--c-text);
        text-decoration: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        transition: color var(--transition-fast);
    }

    .sidebar-links a:hover {
        color: var(--c-primary);
    }

    .sidebar-links .link-count {
        font-family: var(--font-mono);
        font-size: 0.72rem;
        color: var(--c-text-muted);
        background: var(--c-bg);
        padding: 2px 10px;
        border-radius: 999px;
    }

    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    /* ============ Deep Content ============ */
    .deep-content-section {
        background: var(--c-secondary);
        border-radius: var(--radius-card);
        padding: 40px 36px;
        color: rgba(255, 255, 255, 0.9);
        position: relative;
        overflow: hidden;
    }

    .deep-content-section::after {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        background: rgba(217, 164, 65, 0.06);
        pointer-events: none;
    }

    .deep-content-section h2 {
        color: #fff;
        margin-bottom: 1.2rem;
    }

    .deep-content-section h3 {
        color: var(--c-gold);
        margin-bottom: 0.8rem;
        font-size: 1.1rem;
    }

    .deep-content-section p {
        color: rgba(255, 255, 255, 0.82);
        line-height: 1.9;
    }

    .deep-content-section .divider-gold {
        width: 60px;
        height: 3px;
        background: var(--c-gold);
        border-radius: 2px;
        margin: 16px 0 24px;
    }

    /* ============ Service / Feature Area ============ */
    .feature-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    .feature-item {
        flex: 1 1 350px;
        background: var(--c-surface);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--c-border);
        padding: 22px;
        transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
    }

    .feature-item:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: var(--c-primary);
    }

    .feature-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: rgba(200, 16, 46, 0.1);
        color: var(--c-primary);
        font-size: 1.2rem;
        margin-bottom: 14px;
    }

    .feature-item h3 {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }

    .feature-item p {
        font-size: 0.88rem;
        color: var(--c-text-muted);
        margin-bottom: 0;
    }

    /* ============ FAQ ============ */
    .faq-accordion-item {
        background: var(--c-surface);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--c-border);
        margin-bottom: 12px;
        overflow: hidden;
        transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
    }

    .faq-accordion-item:hover {
        box-shadow: var(--shadow-card-hover);
        border-color: var(--c-primary);
    }

    .faq-accordion-item.active {
        border-left: 3px solid var(--c-primary);
    }

    .faq-accordion-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 24px;
        cursor: pointer;
        transition: background var(--transition-fast);
        user-select: none;
    }

    .faq-accordion-header:hover {
        background: rgba(246, 243, 238, 0.5);
    }

    .faq-accordion-header .faq-question {
        font-family: var(--font-title);
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--c-text);
    }

    .faq-accordion-header .faq-icon {
        color: var(--c-primary);
        font-size: 1rem;
        transition: transform var(--transition-smooth);
        flex-shrink: 0;
        margin-left: 16px;
    }

    .faq-accordion-item.active .faq-accordion-header .faq-icon {
        transform: rotate(45deg);
    }

    .faq-accordion-body {
        padding: 0 24px 20px;
        display: none;
        font-size: 0.88rem;
        color: var(--c-text-muted);
        line-height: 1.8;
        font-family: var(--font-body);
    }

    .faq-accordion-item.active .faq-accordion-body {
        display: block;
    }

    /* ============ CTA ============ */
    .cta-section {
        background: var(--c-secondary);
        border-radius: var(--radius-card);
        padding: 48px 36px;
        text-align: center;
        color: #fff;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -30%;
        left: -20%;
        width: 500px;
        height: 500px;
        border-radius: 50%;
        background: rgba(200, 16, 46, 0.15);
        pointer-events: none;
    }

    .cta-section h2 {
        color: #fff;
        margin-bottom: 1rem;
        font-size: clamp(1.4rem, 2.5vw, 2rem);
    }

    .cta-section p {
        color: rgba(255, 255, 255, 0.8);
        max-width: 600px;
        margin: 0 auto 1.8rem;
        font-size: 1rem;
    }

    .cta-actions {
        display: flex;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .subscribe-form {
        display: flex;
        gap: 10px;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 20px;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }

    .subscribe-input {
        flex: 1 1 260px;
        min-width: 200px;
        padding: 13px 18px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-btn);
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        font-family: var(--font-body);
        font-size: 0.9rem;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        outline: none;
    }

    .subscribe-input::placeholder {
        color: rgba(255, 255, 255, 0.55);
    }

    .subscribe-input:focus {
        border-color: var(--c-gold);
        box-shadow: 0 0 0 3px rgba(217, 164, 65, 0.25);
    }

    /* ============ Footer ============ */
    .site-footer {
        background: var(--c-secondary-dark);
        color: rgba(255, 255, 255, 0.8);
        margin-top: var(--spacing-section);
        padding: 48px 0 24px;
    }

    .footer-logo {
        font-family: var(--font-title);
        font-size: 1.3rem;
        font-weight: 800;
        color: #fff;
        text-decoration: none;
        display: inline-block;
        margin-bottom: 12px;
        letter-spacing: -0.02em;
    }

    .footer-logo:hover {
        color: var(--c-gold);
        text-decoration: none;
    }

    .footer-desc {
        font-size: 0.88rem;
        color: rgba(255, 255, 255, 0.65);
        line-height: 1.7;
        max-width: 320px;
        font-family: var(--font-body);
    }

    .footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-wrap: wrap;
        gap: 10px 24px;
        justify-content: flex-end;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.78);
        font-family: var(--font-title);
        font-size: 0.85rem;
        font-weight: 500;
        text-decoration: none;
        transition: color var(--transition-fast);
    }

    .footer-links a:hover {
        color: var(--c-gold);
        text-decoration: none;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        margin-top: 32px;
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 8px 20px;
        align-items: center;
        justify-content: center;
        font-family: var(--font-title);
        font-size: 0.75rem;
        color: rgba(255, 255, 255, 0.5);
        text-align: center;
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.55);
        text-decoration: none;
        transition: color var(--transition-fast);
    }

    .footer-bottom a:hover {
        color: var(--c-gold);
        text-decoration: none;
    }

    /* ============ News Section ============ */
    .news-wrapper {
        display: grid;
        grid-template-columns: 1fr 340px;
        gap: 28px;
        align-items: start;
    }

    /* ============ Back to top ============ */
    .back-to-top {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-family: var(--font-title);
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--c-primary);
        text-decoration: none;
        margin-top: 16px;
    }

    .back-to-top:hover {
        color: var(--c-primary-hover);
        text-decoration: underline;
    }

    /* ============ Responsive ============ */
    @media (max-width: 1023px) {
        .news-wrapper {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .sidebar-card {
            order: 2;
        }

        .footer-links {
            justify-content: flex-start;
            margin-top: 16px;
        }

        .deep-content-section {
            padding: 32px 24px;
        }
    }

    @media (max-width: 639px) {
        :root {
            --spacing-section: 48px;
            --nav-height: 56px;
        }

        body {
            font-size: 15px;
            padding-top: 56px;
        }

        .container-custom {
            padding-left: 16px;
            padding-right: 16px;
        }

        .nav-toggle {
            display: block;
        }

        .nav-main {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            align-items: flex-start;
            padding: 16px 24px 20px;
            gap: 4px;
            border-bottom: 1px solid var(--c-border);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            max-height: calc(100vh - 56px);
            overflow-y: auto;
        }

        .nav-main.open {
            display: flex;
        }

        .nav-main a {
            width: 100%;
            padding: 12px 16px;
            font-size: 0.95rem;
            border-radius: 8px;
        }

        .nav-chips {
            margin-left: 0;
            padding-left: 0;
            border-left: none;
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--c-border);
            width: 100%;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero-section {
            min-height: 380px;
        }

        .hero-content {
            padding: 40px 0;
        }

        .hero-content h1 {
            font-size: 1.7rem;
        }

        .hero-actions {
            flex-direction: column;
            align-items: flex-start;
        }

        .news-item {
            flex-direction: column;
            gap: 12px;
            padding: 16px;
        }

        .news-date-block {
            min-width: auto;
            flex-direction: row;
            gap: 8px;
            align-items: baseline;
            padding: 6px 12px;
        }

        .news-date-day {
            font-size: 1.2rem;
        }

        .stat-panel {
            padding: 20px 12px;
            gap: 16px;
        }

        .stat-number {
            font-size: 1.6rem;
        }

        .cta-section {
            padding: 32px 20px;
        }

        .deep-content-section {
            padding: 24px 16px;
        }

        .btn-primary, .btn-outline {
            width: 100%;
            min-height: 48px;
        }
    }

    @media (max-width: 400px) {
        .hero-section {
            min-height: 340px;
        }

        .hero-badge {
            font-size: 0.7rem;
            padding: 4px 12px;
        }
    }

/* roulang page: category6 */
:root {
            --c-primary: #C8102E;
            --c-primary-hover: #9B0C22;
            --c-secondary: #17403A;
            --c-secondary-dark: #0E2E28;
            --c-bg: #F6F3EE;
            --c-surface: #FFFFFF;
            --c-text: #202124;
            --c-text-muted: #5F6368;
            --c-gold: #D9A441;
            --c-border: #E5E0D8;
            --c-chip-warm: #C8102E;
            --c-chip-active: #17403A;
            --c-chip-muted: #8A8A8A;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.12);
            --font-title: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text);
            background-color: var(--c-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
        }
        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-color: rgba(200, 16, 46, 0.4);
            text-underline-offset: 3px;
        }
        a:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-img);
            display: block;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding-top: var(--spacing-section);
            padding-bottom: 0;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.8vw, 2rem);
            margin-bottom: 0.6rem;
            font-family: var(--font-title);
            font-weight: 800;
            color: var(--c-text);
            line-height: 1.3;
        }
        .section-subtitle {
            color: var(--c-text-muted);
            font-size: 1rem;
            max-width: 720px;
            margin-bottom: 2rem;
            line-height: 1.8;
            font-family: var(--font-body);
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(180%) blur(10px);
            -webkit-backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--c-border);
            z-index: 1000;
            transition: box-shadow var(--transition-fast);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .nav-logo {
            font-family: var(--font-title);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--c-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .nav-logo:hover {
            color: var(--c-primary-hover);
            text-decoration: none;
        }
        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main a {
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text);
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .nav-main a:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--c-primary);
            text-decoration: none;
        }
        .nav-main a.active {
            background: var(--c-primary);
            color: #fff;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 10px;
            padding-left: 14px;
            border-left: 1px solid var(--c-border);
        }
        .nav-chip {
            font-family: var(--font-title);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.02em;
            line-height: 1.5;
        }
        .nav-chip--warm {
            color: var(--c-chip-warm);
            border-color: rgba(200, 16, 46, 0.4);
            background: rgba(200, 16, 46, 0.05);
        }
        .nav-chip--active {
            color: var(--c-chip-active);
            border-color: rgba(23, 64, 58, 0.4);
            background: rgba(23, 64, 58, 0.06);
        }
        .nav-chip--muted {
            color: var(--c-chip-muted);
            border-color: rgba(138, 138, 138, 0.35);
            background: rgba(138, 138, 138, 0.05);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--c-text);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
            line-height: 1;
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }
        .nav-toggle:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--c-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-family: var(--font-title);
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--c-primary);
            border: 2px solid var(--c-primary);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-family: var(--font-title);
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            line-height: 1.5;
            min-height: 44px;
            letter-spacing: 0.01em;
        }
        .btn-outline:hover {
            background: var(--c-primary);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            background: var(--c-secondary);
            padding: calc(var(--nav-height) + 60px) 0 60px;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(23, 64, 58, 0.95) 0%, rgba(14, 46, 40, 0.85) 50%, rgba(23, 64, 58, 0.9) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-family: var(--font-title);
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        .hero .hero-subtitle {
            font-family: var(--font-body);
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 2rem;
        }
        .hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .hero .hero-actions .btn-primary {
            background: var(--c-primary);
        }
        .hero .hero-actions .btn-primary:hover {
            background: var(--c-primary-hover);
        }
        .hero .hero-actions .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .hero .hero-actions .btn-outline:hover {
            background: #fff;
            color: var(--c-secondary);
            border-color: #fff;
        }
        .hero .hero-data-panel {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            max-width: 360px;
        }
        .hero .hero-data-panel .data-label {
            font-family: var(--font-title);
            font-size: 0.75rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .hero .hero-data-panel .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            font-family: var(--font-mono);
        }
        .hero .hero-data-panel .data-row:last-child {
            border-bottom: none;
        }
        .hero .hero-data-panel .data-row span:last-child {
            color: var(--c-gold);
            font-weight: 700;
        }

        /* ============ Section common ============ */
        .section-block {
            padding-top: var(--spacing-section);
        }
        .section-block.with-bg {
            background: var(--c-surface);
            border-top: 1px solid var(--c-border);
            border-bottom: 1px solid var(--c-border);
        }
        .section-block.with-dark-bg {
            background: var(--c-secondary);
        }
        .section-block.with-dark-bg .section-title {
            color: #fff;
        }
        .section-block.with-dark-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ============ Timeline ============ */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(to bottom, var(--c-primary), var(--c-gold), var(--c-secondary));
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding: 18px 0 18px 24px;
            border-bottom: 1px dashed var(--c-border);
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 26px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--c-gold);
            border: 2px solid var(--c-surface);
            box-shadow: 0 0 0 3px rgba(217, 164, 65, 0.3);
        }
        .timeline-item .timeline-year {
            font-family: var(--font-mono);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--c-primary);
            display: inline-block;
            margin-bottom: 6px;
        }
        .timeline-item .timeline-desc {
            color: var(--c-text-muted);
            font-size: 0.95rem;
            line-height: 1.85;
        }
        .timeline-item .timeline-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }
        .timeline-item .timeline-stat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--c-secondary);
            background: rgba(23, 64, 58, 0.06);
            border: 1px solid rgba(23, 64, 58, 0.2);
            border-radius: 999px;
            padding: 4px 12px;
        }

        /* ============ Data table ============ */
        .data-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            -webkit-overflow-scrolling: touch;
        }
        .data-table {
            width: 100%;
            min-width: 720px;
            border-collapse: collapse;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .data-table thead th {
            font-family: var(--font-title);
            font-size: 0.8rem;
            font-weight: 700;
            color: #fff;
            background: var(--c-secondary);
            padding: 14px 16px;
            text-align: left;
            white-space: nowrap;
            letter-spacing: 0.02em;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }
        .data-table thead th:last-child {
            border-right: none;
        }
        .data-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--c-border);
            color: var(--c-text);
            font-family: var(--font-mono);
            font-size: 0.85rem;
            white-space: nowrap;
        }
        .data-table tbody tr:nth-child(even) {
            background: rgba(246, 243, 238, 0.5);
        }
        .data-table tbody tr:hover {
            background: rgba(200, 16, 46, 0.04);
        }
        .data-table tbody tr:last-child td {
            border-bottom: none;
        }
        .data-table .table-number-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: #f0ede6;
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--c-text);
            margin: 0 2px;
        }
        .data-table .table-number-ball.is-red {
            background: var(--c-primary);
            color: #fff;
        }
        .data-table .table-number-ball.is-blue {
            background: var(--c-secondary);
            color: #fff;
        }

        /* ============ Download cards ============ */
        .download-card {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth), border-color var(--transition-fast), transform var(--transition-fast);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .download-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-primary);
            transform: translateY(-2px);
        }
        .download-card .download-icon {
            font-size: 2rem;
            color: var(--c-primary);
        }
        .download-card h3 {
            font-family: var(--font-title);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--c-text);
            margin: 0;
        }
        .download-card p {
            color: var(--c-text-muted);
            font-size: 0.9rem;
            margin: 0;
            flex-grow: 1;
            line-height: 1.8;
        }
        .download-card .download-meta {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--c-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .download-card .btn-outline {
            padding: 8px 16px;
            font-size: 0.8rem;
            min-height: 38px;
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast), box-shadow var(--transition-smooth);
        }
        .faq-item.is-active {
            border-left: 4px solid var(--c-primary);
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-family: var(--font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-text);
            transition: color var(--transition-fast);
            user-select: none;
            min-height: 56px;
        }
        .faq-question:hover {
            color: var(--c-primary);
        }
        .faq-question .faq-icon {
            font-size: 1.1rem;
            color: var(--c-primary);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }
        .faq-item.is-active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
        }
        .faq-item.is-active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px 20px;
        }
        .faq-answer p {
            color: var(--c-text-muted);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.85;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--c-secondary);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-family: var(--font-title);
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 2rem;
            font-size: 1rem;
            line-height: 1.85;
        }
        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-form input[type="email"],
        .cta-form input[type="text"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: 999px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-family: var(--font-body);
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition-fast), background var(--transition-fast);
            min-height: 44px;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .cta-form input:focus {
            border-color: var(--c-primary);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.25);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--c-secondary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 48px;
            padding-bottom: 0;
        }
        .site-footer .footer-logo {
            font-family: var(--font-title);
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 12px;
            text-decoration: none;
        }
        .site-footer .footer-logo:hover {
            color: var(--c-primary);
            text-decoration: none;
        }
        .site-footer .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .site-footer .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            justify-content: flex-start;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.75);
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 600;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--c-primary);
            text-decoration: underline;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 32px;
            padding: 16px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 16px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--c-primary);
            text-decoration: underline;
        }
        .mgb-24 {
            margin-bottom: 24px;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .nav-main {
                gap: 2px;
            }
            .nav-main a {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .nav-chips {
                margin-left: 6px;
                padding-left: 8px;
                gap: 4px;
            }
            .nav-chip {
                font-size: 0.65rem;
                padding: 3px 8px;
            }
            section {
                padding-top: 56px;
            }
        }

        @media (max-width: 820px) {
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-main {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                z-index: 999;
            }
            .nav-main.is-open {
                display: flex;
            }
            .nav-main a {
                display: block;
                width: 100%;
                padding: 10px 14px;
                font-size: 0.95rem;
            }
            .nav-chips {
                margin-left: 0;
                padding-left: 0;
                border-left: none;
                margin-top: 8px;
                padding-top: 8px;
                border-top: 1px solid var(--c-border);
                flex-wrap: wrap;
                width: 100%;
                gap: 6px;
            }
            .hero {
                padding: calc(var(--nav-height) + 36px) 0 36px;
                min-height: auto;
            }
            .hero .hero-data-panel {
                max-width: 100%;
                margin-top: 24px;
            }
            section {
                padding-top: 48px;
            }
            .cta-section {
                padding: 48px 0;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 14px;
                line-height: 1.8;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }
            .hero .hero-actions .btn-primary,
            .hero .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .btn-primary,
            .btn-outline {
                font-size: 0.85rem;
                padding: 10px 20px;
            }
            .data-table-wrapper {
                border-radius: 8px;
            }
            .download-card {
                padding: 18px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
                gap: 6px;
            }
            .timeline {
                padding-left: 24px;
            }
        }

/* roulang page: category5 */
:root {
            --c-primary: #C8102E;
            --c-primary-hover: #9B0C22;
            --c-secondary: #17403A;
            --c-secondary-dark: #0E2E28;
            --c-bg: #F6F3EE;
            --c-surface: #FFFFFF;
            --c-text: #202124;
            --c-text-muted: #5F6368;
            --c-gold: #D9A441;
            --c-border: #E5E0D8;
            --c-chip-warm: #C8102E;
            --c-chip-active: #17403A;
            --c-chip-muted: #8A8A8A;
            --radius-card: 12px;
            --radius-btn: 999px;
            --radius-img: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.12);
            --font-title: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @media (max-width: 639px) {
            :root {
                --spacing-section: 48px;
                --nav-height: 56px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.9;
            color: var(--c-text);
            background-color: var(--c-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        @media (max-width: 639px) {
            body {
                font-size: 15px;
                line-height: 1.8;
            }
        }

        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
        }

        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-color: rgba(200, 16, 46, 0.4);
            text-underline-offset: 3px;
        }

        a:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-img);
            display: block;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 639px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        section {
            padding-top: var(--spacing-section);
            padding-bottom: 0;
        }

        .section-title {
            font-family: var(--font-title);
            font-size: clamp(1.6rem, 2.8vw, 2rem);
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--c-text);
            line-height: 1.4;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            color: var(--c-text-muted);
            font-size: 1rem;
            max-width: 720px;
            margin-bottom: 2rem;
            line-height: 1.8;
            font-family: var(--font-body);
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(180%) blur(10px);
            -webkit-backdrop-filter: saturate(180%) blur(10px);
            border-bottom: 1px solid var(--c-border);
            z-index: 1000;
            transition: box-shadow var(--transition-fast);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }

        .nav-logo {
            font-family: var(--font-title);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--c-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .nav-logo:hover {
            color: var(--c-primary-hover);
            text-decoration: none;
        }

        .nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-main a {
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text);
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-main a:hover {
            background: rgba(200, 16, 46, 0.06);
            color: var(--c-primary);
            text-decoration: none;
        }

        .nav-main a.active {
            background: var(--c-primary);
            color: #ffffff;
        }

        .nav-main a.active:hover {
            background: var(--c-primary-hover);
            color: #ffffff;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 10px;
            padding-left: 16px;
            border-left: 1px solid var(--c-border);
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 999px;
            font-family: var(--font-title);
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            border: 1px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
        }

        .nav-chip--warm {
            color: var(--c-chip-warm);
            border-color: rgba(200, 16, 46, 0.35);
            background: rgba(200, 16, 46, 0.05);
        }

        .nav-chip--active {
            color: #fff;
            background: var(--c-chip-active);
            border-color: var(--c-chip-active);
        }

        .nav-chip--muted {
            color: var(--c-chip-muted);
            border-color: rgba(138, 138, 138, 0.3);
            background: rgba(138, 138, 138, 0.06);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.4rem;
            color: var(--c-text);
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(200, 16, 46, 0.08);
        }

        .nav-toggle:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 2px;
        }

        @media (max-width: 1023px) {
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .nav-main {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--c-border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                display: none;
                z-index: 999;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

            .nav-main.is-open {
                display: flex;
            }

            .nav-main a {
                width: 100%;
                padding: 10px 16px;
                font-size: 1rem;
            }

            .nav-chips {
                width: 100%;
                margin-left: 0;
                padding-left: 0;
                padding-top: 12px;
                border-left: none;
                border-top: 1px solid var(--c-border);
                flex-wrap: wrap;
                gap: 8px;
                margin-top: 8px;
            }

            .nav-chip {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
        }

        @media (max-width: 639px) {
            .nav-main {
                padding: 12px 16px 20px;
            }

            .nav-main a {
                font-size: 0.95rem;
                padding: 9px 14px;
            }
        }

        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--c-primary);
            color: #fff;
            font-family: var(--font-title);
            font-size: 0.95rem;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.02em;
            line-height: 1.5;
            min-height: 44px;
        }

        .btn-primary:hover {
            background: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(200, 16, 46, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--c-primary);
            font-family: var(--font-title);
            font-size: 0.95rem;
            font-weight: 700;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--c-primary);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.02em;
            line-height: 1.5;
            min-height: 44px;
        }

        .btn-outline:hover {
            background: var(--c-primary);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: 3px;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-primary);
            font-family: var(--font-title);
            font-size: 0.9rem;
            font-weight: 600;
            text-decoration: none;
            background: none;
            border: none;
            padding: 6px 4px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .btn-text:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-color: rgba(200, 16, 46, 0.4);
            text-underline-offset: 3px;
        }

        /* ============ Hero ============ */
        .hero-helper {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: var(--c-secondary-dark);
            background-image: linear-gradient(135deg, rgba(14, 46, 40, 0.92) 0%, rgba(23, 64, 58, 0.88) 50%, rgba(14, 46, 40, 0.95) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding-top: var(--nav-height);
            margin-bottom: 0;
        }

        .hero-helper .container-custom {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-helper-left {
            padding: 48px 0;
        }

        .hero-helper-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(217, 164, 65, 0.15);
            color: var(--c-gold);
            font-family: var(--font-title);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(217, 164, 65, 0.3);
        }

        .hero-helper h1 {
            font-family: var(--font-title);
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-helper h1 .highlight-gold {
            color: var(--c-gold);
        }

        .hero-helper-subtitle {
            font-family: var(--font-body);
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.85;
            max-width: 540px;
            margin-bottom: 28px;
        }

        .hero-helper-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-helper-actions .btn-primary {
            background: #fff;
            color: var(--c-secondary-dark);
        }

        .hero-helper-actions .btn-primary:hover {
            background: var(--c-gold);
            color: var(--c-secondary-dark);
        }

        .hero-helper-actions .btn-outline {
            border-color: rgba(255, 255, 255, 0.55);
            color: #fff;
        }

        .hero-helper-actions .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .hero-helper-right {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px 0;
        }

        .hero-data-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 16px;
            padding: 24px 28px;
            width: 100%;
            max-width: 400px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .hero-data-card-title {
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hero-data-card-title .live-dot {
            display: inline-flex;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4CAF50;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.5); }
        }

        .hero-data-rows {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hero-data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-data-row:last-child {
            border-bottom: none;
        }

        .hero-data-row span:first-child {
            font-family: var(--font-title);
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8rem;
        }

        .hero-data-numbers {
            display: flex;
            gap: 6px;
            margin-top: 12px;
        }

        .hero-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 700;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .hero-ball--red {
            background: var(--c-primary);
            border-color: var(--c-primary);
        }

        .hero-ball--gold {
            background: var(--c-gold);
            border-color: var(--c-gold);
            color: var(--c-secondary-dark);
        }

        @media (max-width: 1023px) {
            .hero-helper {
                min-height: auto;
                padding-top: calc(var(--nav-height) + 24px);
                padding-bottom: 48px;
            }

            .hero-helper .container-custom {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-helper-left {
                padding: 24px 0 0;
            }

            .hero-helper-right {
                padding: 0 0 24px;
            }

            .hero-data-card {
                max-width: 100%;
            }
        }

        @media (max-width: 639px) {
            .hero-helper h1 {
                font-size: 1.7rem;
            }

            .hero-helper-subtitle {
                font-size: 0.98rem;
            }

            .hero-helper-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-helper-actions .btn-primary,
            .hero-helper-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .hero-data-card {
                padding: 18px 16px;
            }

            .hero-ball {
                width: 27px;
                height: 27px;
                font-size: 0.75rem;
            }
        }

        /* ============ Steps Guide ============ */
        .steps-guide {
            background: var(--c-surface);
            padding-bottom: var(--spacing-section);
        }

        .steps-guide-header {
            text-align: left;
            margin-bottom: 40px;
        }

        .steps-guide-header .section-title {
            color: var(--c-secondary-dark);
        }

        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            counter-reset: step-counter;
        }

        .step-item {
            display: grid;
            grid-template-columns: 80px 1fr 1.2fr;
            gap: 24px;
            align-items: flex-start;
            padding: 28px 0;
            border-bottom: 1px solid var(--c-border);
            counter-increment: step-counter;
            transition: background var(--transition-fast);
            border-radius: 4px;
        }

        .step-item:hover {
            background: rgba(23, 64, 58, 0.03);
        }

        .step-number {
            font-family: var(--font-mono);
            font-size: 2.8rem;
            font-weight: 700;
            color: rgba(200, 16, 46, 0.25);
            line-height: 1;
            letter-spacing: -0.03em;
            user-select: none;
        }

        .step-content h3 {
            font-family: var(--font-title);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .step-content p {
            font-family: var(--font-body);
            font-size: 0.95rem;
            color: var(--c-text-muted);
            line-height: 1.8;
            margin: 0;
        }

        .step-visual {
            display: flex;
            align-items: center;
            justify-content: flex-end;
        }

        .step-visual img {
            width: 100%;
            max-width: 280px;
            height: auto;
            border-radius: var(--radius-img);
            object-fit: cover;
            box-shadow: var(--shadow-card);
        }

        .step-tag {
            display: inline-block;
            font-family: var(--font-title);
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--c-primary);
            background: rgba(200, 16, 46, 0.06);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(200, 16, 46, 0.15);
        }

        @media (max-width: 1023px) {
            .step-item {
                grid-template-columns: 60px 1fr;
                gap: 16px;
                padding: 20px 0;
            }

            .step-visual {
                display: none;
            }

            .step-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 639px) {
            .step-item {
                grid-template-columns: 44px 1fr;
                gap: 12px;
                padding: 16px 0;
            }

            .step-number {
                font-size: 1.7rem;
            }

            .step-content h3 {
                font-size: 1.05rem;
            }

            .step-content p {
                font-size: 0.88rem;
            }
        }

        /* ============ Rational Reminders ============ */
        .rational-reminders {
            background: var(--c-bg);
            padding-bottom: var(--spacing-section);
        }

        .rational-reminders-header {
            margin-bottom: 36px;
        }

        .rational-reminders-header .section-title {
            color: var(--c-secondary-dark);
        }

        .reminder-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .reminder-card {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            border: 2px solid transparent;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .reminder-card:hover {
            border-color: rgba(200, 16, 46, 0.3);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .reminder-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .reminder-card-icon--red {
            background: rgba(200, 16, 46, 0.08);
            color: var(--c-primary);
        }

        .reminder-card-icon--green {
            background: rgba(23, 64, 58, 0.08);
            color: var(--c-secondary);
        }

        .reminder-card-icon--gold {
            background: rgba(217, 164, 65, 0.1);
            color: var(--c-gold);
        }

        .reminder-card h3 {
            font-family: var(--font-title);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-text);
            margin: 0;
            line-height: 1.4;
        }

        .reminder-card p {
            font-family: var(--font-body);
            font-size: 0.9rem;
            color: var(--c-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        @media (max-width: 1023px) {
            .reminder-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 639px) {
            .reminder-grid {
                grid-template-columns: 1fr;
            }

            .reminder-card {
                padding: 18px 16px;
            }
        }

        /* ============ Budget Calculator ============ */
        .budget-calc {
            background: var(--c-surface);
            padding-bottom: var(--spacing-section);
        }

        .budget-calc .container-custom {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .budget-calc-info .section-title {
            color: var(--c-secondary-dark);
        }

        .budget-calc-info .section-subtitle {
            margin-bottom: 20px;
        }

        .budget-calc-info ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .budget-calc-info ul li {
            font-family: var(--font-body);
            font-size: 0.92rem;
            color: var(--c-text-muted);
            line-height: 1.75;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .budget-calc-info ul li i {
            color: var(--c-secondary);
            margin-top: 4px;
            flex-shrink: 0;
            font-size: 0.85rem;
        }

        .budget-form {
            background: var(--c-bg);
            border-radius: 16px;
            padding: 32px 28px;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-card);
        }

        .budget-form label {
            font-family: var(--font-title);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--c-text);
            display: block;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .budget-form input[type="number"],
        .budget-form select {
            width: 100%;
            padding: 10px 14px;
            border: 1.5px solid var(--c-border);
            border-radius: 8px;
            font-family: var(--font-body);
            font-size: 0.95rem;
            color: var(--c-text);
            background: var(--c-surface);
            margin-bottom: 18px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            min-height: 44px;
            line-height: 1.5;
        }

        .budget-form input[type="number"]:focus,
        .budget-form select:focus {
            border-color: var(--c-primary);
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12);
            outline: none;
        }

        .budget-form select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235F6368' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .budget-result {
            background: var(--c-secondary-dark);
            border-radius: 10px;
            padding: 16px 20px;
            margin-top: 12px;
            display: none;
        }

        .budget-result.show {
            display: block;
        }

        .budget-result p {
            font-family: var(--font-title);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 4px;
            letter-spacing: 0.03em;
        }

        .budget-result .budget-result-number {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--c-gold);
            letter-spacing: -0.02em;
        }

        .budget-result .budget-result-hint {
            font-family: var(--font-body);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
        }

        @media (max-width: 1023px) {
            .budget-calc .container-custom {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 639px) {
            .budget-form {
                padding: 20px 16px;
            }
        }

        /* ============ Deep Content ============ */
        .deep-content {
            background: var(--c-bg);
            padding-bottom: var(--spacing-section);
        }

        .deep-content-block {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 48px;
            background: var(--c-surface);
            border-radius: 16px;
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
        }

        .deep-content-block:last-child {
            margin-bottom: 0;
        }

        .deep-content-block.reverse {
            grid-template-columns: 0.9fr 1.1fr;
        }

        .deep-content-block.reverse .deep-content-image {
            order: 1;
        }

        .deep-content-block.reverse .deep-content-text {
            order: 2;
        }

        .deep-content-text h2 {
            font-family: var(--font-title);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--c-secondary-dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .deep-content-text p {
            font-family: var(--font-body);
            font-size: 0.95rem;
            color: var(--c-text-muted);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .deep-content-text p:last-child {
            margin-bottom: 0;
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-card);
            object-fit: cover;
            box-shadow: var(--shadow-card);
        }

        .deep-divider {
            border: none;
            border-top: 1px solid var(--c-border);
            margin: 0;
        }

        @media (max-width: 1023px) {
            .deep-content-block,
            .deep-content-block.reverse {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 24px 20px;
            }

            .deep-content-block.reverse .deep-content-image {
                order: 0;
            }

            .deep-content-block.reverse .deep-content-text {
                order: 0;
            }
        }

        @media (max-width: 639px) {
            .deep-content-block {
                padding: 18px 16px;
                margin-bottom: 24px;
            }

            .deep-content-text h2 {
                font-size: 1.15rem;
            }

            .deep-content-text p {
                font-size: 0.88rem;
            }
        }

        /* ============ Common Misconceptions ============ */
        .misconceptions {
            background: var(--c-surface);
            padding-bottom: var(--spacing-section);
        }

        .misconceptions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .misconception-item {
            background: var(--c-bg);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            border: 1px solid transparent;
        }

        .misconception-item:hover {
            border-color: rgba(200, 16, 46, 0.2);
            box-shadow: var(--shadow-card);
        }

        .misconception-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.07);
            color: var(--c-primary);
            font-size: 0.95rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .misconception-content h3 {
            font-family: var(--font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-text);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .misconception-content p {
            font-family: var(--font-body);
            font-size: 0.88rem;
            color: var(--c-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        @media (max-width: 1023px) {
            .misconceptions-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 639px) {
            .misconception-item {
                padding: 16px 14px;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--c-bg);
            padding-bottom: var(--spacing-section);
        }

        .faq-header {
            margin-bottom: 32px;
        }

        .faq-header .section-title {
            color: var(--c-secondary-dark);
        }

        .accordion {
            border: none;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .accordion-item {
            background: var(--c-surface);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--c-border);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .accordion-item:hover {
            border-color: rgba(200, 16, 46, 0.2);
            box-shadow: var(--shadow-card-hover);
        }

        .accordion-item.is-active {
            border-left: 4px solid var(--c-primary);
        }

        .accordion-title {
            font-family: var(--font-title);
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-text);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            text-decoration: none;
            gap: 16px;
            transition: color var(--transition-fast), background var(--transition-fast);
            line-height: 1.5;
        }

        .accordion-title:hover {
            color: var(--c-primary);
            text-decoration: none;
            background: rgba(200, 16, 46, 0.03);
        }

        .accordion-title:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.35);
            outline-offset: -2px;
        }

        .accordion-title .faq-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.08);
            color: var(--c-primary);
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
        }

        .accordion-item.is-active .faq-icon {
            transform: rotate(45deg);
        }

        .accordion-content {
            padding: 0 22px 18px;
            font-family: var(--font-body);
            font-size: 0.92rem;
            color: var(--c-text-muted);
            line-height: 1.85;
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        @media (max-width: 639px) {
            .accordion-title {
                font-size: 0.92rem;
                padding: 14px 16px;
            }

            .accordion-content {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--c-secondary-dark);
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
            text-align: center;
        }

        .cta-section .container-custom {
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-title);
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            font-family: var(--font-body);
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.85;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cta-actions .btn-primary {
            background: #fff;
            color: var(--c-secondary-dark);
        }

        .cta-actions .btn-primary:hover {
            background: var(--c-gold);
            color: var(--c-secondary-dark);
        }

        .cta-actions .btn-outline {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .cta-actions .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        @media (max-width: 639px) {
            .cta-actions {
                flex-direction: column;
                width: 100%;
                max-width: 360px;
                margin: 0 auto;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--c-secondary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            font-family: var(--font-title);
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }

        .site-footer a:hover {
            color: var(--c-primary);
            text-decoration: none;
        }

        .footer-logo {
            font-family: var(--font-title);
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-logo:hover {
            color: var(--c-gold);
        }

        .footer-desc {
            font-family: var(--font-body);
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin: 0;
            max-width: 360px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
        }

        .footer-links li {
            margin: 0;
        }

        .footer-links a {
            font-family: var(--font-title);
            font-size: 0.88rem;
            font-weight: 500;
        }

        .footer-bottom {
            margin-top: 32px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
        }

        .footer-bottom a {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: var(--c-primary);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .mgb-24 {
            margin-bottom: 24px;
        }

        @media (max-width: 639px) {
            .site-footer {
                padding: 32px 0 16px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .footer-bottom span {
                white-space: normal;
            }
        }

        /* ============ Utility ============ */
        .text-primary {
            color: var(--c-primary);
        }

        .text-secondary {
            color: var(--c-secondary);
        }

        .text-muted {
            color: var(--c-text-muted);
        }

        .mb-0 {
            margin-bottom: 0;
        }

        .mt-0 {
            margin-top: 0;
        }

        .fw-bold {
            font-weight: 700;
        }

        .font-mono {
            font-family: var(--font-mono);
        }