/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8c;
            --primary-dark: #0f1a4a;
            --secondary: #b8860b;
            --secondary-light: #d4a843;
            --accent: #e8491d;
            --accent-light: #f06a3a;
            --bg-body: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0e1428;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d2d44;
            --text-muted: #6c6c7e;
            --text-light: #f0f0f4;
            --border-color: #e2e6ef;
            --border-light: #f0f2f7;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 28px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 42, 108, 0.14);
            --shadow-xl: 0 24px 64px rgba(26, 42, 108, 0.18);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-max: 1280px;
            --nav-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            margin-bottom: 0.5rem;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Typography ===== */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--secondary);
            margin-bottom: 8px;
            position: relative;
            padding-left: 36px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 1rem;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 2rem;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }
        .btn-secondary:hover {
            background: var(--secondary-light);
            border-color: var(--secondary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        @media (max-width: 576px) {
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ===== Badge / Tag ===== */
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--border-light);
            color: var(--text-muted);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .badge-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .badge-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .badge-category {
            display: inline-block;
            padding: 3px 12px;
            font-size: 0.7rem;
            font-weight: 600;
            border-radius: 50px;
            background: rgba(26, 42, 108, 0.08);
            color: var(--primary);
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 32px rgba(26, 42, 108, 0.08);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.3px;
        }
        .logo:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            display: flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.05);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.08);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--secondary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-actions .btn {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(26, 42, 108, 0.05);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 20px;
            box-shadow: var(--shadow-lg);
            z-index: 1040;
            max-height: calc(100vh - var(--nav-height));
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a:hover {
            background: rgba(26, 42, 108, 0.05);
            color: var(--primary);
        }
        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(26, 42, 108, 0.06);
        }
        .mobile-nav .nav-actions-mobile {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 12px 16px;
        }
        .mobile-nav .nav-actions-mobile .btn {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 992px) {
            .main-nav {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (min-width: 993px) {
            .mobile-nav {
                display: none !important;
            }
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2444 50%, var(--primary-dark) 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(184, 134, 11, 0.10) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 60px;
        }

        .hero-content {
            max-width: 700px;
        }
        .hero-content .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--secondary-light);
            background: rgba(184, 134, 11, 0.15);
            border: 1px solid rgba(184, 134, 11, 0.25);
            border-radius: 50px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .hero-content h1 {
            font-size: 3.5rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-content h1 .highlight {
            color: var(--secondary-light);
            position: relative;
        }
        .hero-content p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 580px;
            margin-bottom: 32px;
            line-height: 1.6;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-actions .btn {
            padding: 16px 36px;
            font-size: 1.05rem;
        }
        .hero-actions .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
        }
        .hero-actions .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
        }
        .hero-stats .stat-item {
            text-align: left;
        }
        .hero-stats .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        @media (max-width: 992px) {
            .hero-content h1 {
                font-size: 2.6rem;
            }
            .hero-content p {
                font-size: 1.05rem;
            }
            .hero-stats {
                gap: 28px;
            }
            .hero-stats .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 576px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: 20px;
                flex-direction: column;
            }
            .hero-stats .stat-item {
                width: 100%;
            }
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .card-custom .card-body {
            padding: 24px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-custom .card-title a {
            color: inherit;
            text-decoration: none;
        }
        .card-custom .card-title a:hover {
            color: var(--primary);
        }
        .card-custom .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .card-custom .card-meta i {
            margin-right: 4px;
        }
        .card-custom .card-footer-custom {
            padding: 16px 24px;
            border-top: 1px solid var(--border-light);
            background: rgba(248, 249, 252, 0.5);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        /* ===== Category Cards ===== */
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            padding: 32px 24px;
            text-align: center;
            height: 100%;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        .category-card:hover::before {
            transform: scaleX(1);
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: transparent;
        }
        .category-card .cat-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-sm);
            background: rgba(26, 42, 108, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.8rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .category-card:hover .cat-icon {
            background: var(--primary);
            color: #fff;
        }
        .category-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .category-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .category-card .cat-count {
            display: inline-block;
            margin-top: 12px;
            font-size: 0.75rem;
            color: var(--text-muted);
            background: var(--border-light);
            padding: 2px 12px;
            border-radius: 50px;
        }

        /* ===== Feature / Info Blocks ===== */
        .feature-block {
            display: flex;
            gap: 32px;
            align-items: center;
            padding: 32px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-block:hover {
            box-shadow: var(--shadow-md);
        }
        .feature-block .feature-icon {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #fff;
        }
        .feature-block .feature-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .feature-block .feature-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .feature-block {
                flex-direction: column;
                text-align: center;
                padding: 24px;
            }
            .feature-block .feature-icon {
                margin-bottom: 8px;
            }
        }

        /* ===== Process / Timeline ===== */
        .process-step {
            display: flex;
            gap: 24px;
            padding: 24px 0;
            position: relative;
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 23px;
            top: 60px;
            bottom: -12px;
            width: 2px;
            background: var(--border-color);
        }
        .process-step .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            position: relative;
            z-index: 2;
        }
        .process-step .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .process-step .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.4rem;
            font-weight: 800;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn {
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 32px;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            text-decoration: none;
        }
        .site-footer a:hover {
            color: var(--secondary-light);
            text-decoration: none;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links li a {
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: block;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.7;
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }
        .site-footer .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .site-footer .footer-social a:hover {
            background: var(--secondary);
            color: #fff;
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Latest Posts List ===== */
        .post-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .post-list-item:last-child {
            border-bottom: none;
        }
        .post-list-item:hover {
            padding-left: 8px;
        }
        .post-list-item .post-thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--border-light);
        }
        .post-list-item .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .post-list-item .post-info {
            flex: 1;
            min-width: 0;
        }
        .post-list-item .post-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .post-list-item .post-info h4 a {
            color: var(--text-dark);
            text-decoration: none;
        }
        .post-list-item .post-info h4 a:hover {
            color: var(--primary);
        }
        .post-list-item .post-info .post-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-list-item .post-info .post-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .post-list-item .post-info .post-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 576px) {
            .post-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .post-list-item .post-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* ===== Empty State ===== */
        .empty-state {
            padding: 40px 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 1rem;
        }
        .empty-state i {
            font-size: 2.4rem;
            color: var(--border-color);
            margin-bottom: 16px;
            display: block;
        }

        /* ===== Misc Utilities ===== */
        .bg-soft-primary {
            background: rgba(26, 42, 108, 0.03);
        }
        .bg-soft-secondary {
            background: rgba(184, 134, 11, 0.04);
        }
        .text-secondary {
            color: var(--secondary) !important;
        }
        .text-primary {
            color: var(--primary) !important;
        }

        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 0 auto 24px;
        }

        .rounded-img {
            border-radius: var(--radius-md);
            object-fit: cover;
        }

        /* ===== Responsive Grid Enhancements ===== */
        @media (max-width: 576px) {
            .row-cols-2>* {
                flex: 0 0 100%;
                max-width: 100%;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== Bootstrap Overrides ===== */
        .accordion-button:not(.collapsed) {
            background: rgba(26, 42, 108, 0.04);
            color: var(--primary);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-color);
        }
        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm) !important;
            overflow: hidden;
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --accent: #f4a261;
            --bg-dark: #0b1a2e;
            --bg-card: #ffffff;
            --bg-section: #f8f9fa;
            --bg-alt: #1a2d47;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #6c757d;
            --text-white: #f1f1f1;
            --border-color: #e9ecef;
            --border-light: rgba(255,255,255,0.08);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow: 0 8px 30px rgba(0,0,0,0.06);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1260px;
            --nav-height: 72px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            background: #f5f7fa;
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* === HEADER / NAV === */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(11, 26, 46, 0.92);
            backdrop-filter: blur(16px) saturate(1.2);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: background var(--transition), border var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.3px;
            transition: opacity var(--transition);
        }
        .logo:hover { color: #fff; opacity: 0.9; }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            position: relative;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255,255,255,0.7);
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
            background: rgba(255,255,255,0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.06); }

        @media (max-width: 768px) {
            .main-nav, .nav-actions { display: none; }
            .nav-toggle { display: block; }
            .site-header .container { gap: 12px; }
            .logo { font-size: 1.15rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 0.95rem; }
        }

        @media (max-width: 480px) {
            .container { padding: 0 16px; }
        }

        /* === BREADCRUMB === */
        .breadcrumb-area {
            padding-top: calc(var(--nav-height) + 20px);
            padding-bottom: 16px;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-area .breadcrumb {
            margin: 0;
            background: none;
            padding: 0;
            font-size: 0.9rem;
        }
        .breadcrumb-area .breadcrumb-item + .breadcrumb-item::before {
            content: '/';
            color: #adb5bd;
        }
        .breadcrumb-area .breadcrumb-item a {
            color: var(--text-light);
        }
        .breadcrumb-area .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 500;
        }

        /* === ARTICLE HERO === */
        .article-hero {
            position: relative;
            background: var(--bg-dark);
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            padding-top: calc(var(--nav-height) + 20px);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            filter: blur(2px) saturate(0.6);
        }
        .article-hero .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11,26,46,0.92) 0%, rgba(11,26,46,0.4) 60%, transparent 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
            padding-bottom: 40px;
        }
        .article-hero .category-tag {
            display: inline-block;
            padding: 4px 16px;
            background: var(--primary);
            color: #fff;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 12px;
            max-width: 900px;
            letter-spacing: -0.5px;
        }
        .article-hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }
        .article-hero .meta-info i {
            margin-right: 6px;
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .article-hero { min-height: 240px; padding-top: calc(var(--nav-height) + 10px); }
            .article-hero h1 { font-size: 1.6rem; }
            .article-hero .container { padding-bottom: 28px; }
        }
        @media (max-width: 480px) {
            .article-hero h1 { font-size: 1.35rem; }
            .article-hero .meta-info { gap: 12px; font-size: 0.8rem; }
        }

        /* === ARTICLE CONTENT === */
        .article-section {
            padding: 50px 0 60px;
        }
        .article-content {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 56px;
        }
        .article-content .content-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-content .content-body p {
            margin-bottom: 1.2rem;
        }
        .article-content .content-body img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
            width: 100%;
            object-fit: cover;
            max-height: 500px;
        }
        .article-content .content-body h2,
        .article-content .content-body h3 {
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
            color: var(--secondary);
        }
        .article-content .content-body h2 { font-size: 1.6rem; }
        .article-content .content-body h3 { font-size: 1.25rem; }
        .article-content .content-body blockquote {
            border-left: 4px solid var(--primary);
            background: #fef2f2;
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content .content-body ul,
        .article-content .content-body ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        .article-content .content-body li {
            margin-bottom: 0.4rem;
        }
        .article-content .content-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content .content-body a:hover { color: var(--primary-dark); }

        .article-footer-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid var(--border-color);
        }
        .article-footer-meta .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-footer-meta .tags .tag {
            padding: 4px 14px;
            background: var(--bg-section);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition);
        }
        .article-footer-meta .tags .tag:hover {
            background: var(--primary);
            color: #fff;
        }
        .article-footer-meta .share-btns {
            display: flex;
            gap: 10px;
        }
        .article-footer-meta .share-btns a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-section);
            color: var(--text-secondary);
            font-size: 1rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .article-footer-meta .share-btns a:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.08);
        }

        @media (max-width: 768px) {
            .article-content { padding: 28px 24px; }
            .article-content .content-body { font-size: 1rem; }
            .article-footer-meta { flex-direction: column; align-items: flex-start; gap: 16px; }
        }
        @media (max-width: 480px) {
            .article-content { padding: 20px 16px; border-radius: var(--radius-sm); }
            .article-content .content-body { font-size: 0.95rem; }
        }

        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .not-found-box i {
            font-size: 4rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        /* === RELATED POSTS === */
        .related-section {
            padding: 50px 0;
            background: var(--bg-section);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 32px;
            position: relative;
            display: inline-block;
        }
        .related-section .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 50px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
        }

        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 20px 22px;
        }
        .related-card .card-body .cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body h5 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body h5 a {
            color: var(--text-primary);
        }
        .related-card .card-body h5 a:hover { color: var(--primary); }
        .related-card .card-body .date {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* === CTA === */
        .cta-section {
            background: var(--bg-dark);
            padding: 60px 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11,26,46,0.82);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.7);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        @media (max-width: 768px) {
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
        }

        /* === FOOTER === */
        .site-footer {
            background: #071018;
            color: rgba(255,255,255,0.8);
            padding: 56px 0 0;
        }
        .site-footer .footer-brand {
            display: inline-flex;
            align-items: center;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            gap: 8px;
        }
        .site-footer .footer-brand:hover { color: #fff; }
        .site-footer .footer-desc {
            color: rgba(255,255,255,0.5);
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255,255,255,0.5);
            font-size: 0.9rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }
        .site-footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.5);
            font-size: 1.1rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.1);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255,255,255,0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.3);
        }

        @media (max-width: 768px) {
            .site-footer { padding-top: 40px; }
            .site-footer .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
            .site-footer .footer-desc { max-width: 100%; }
        }

        /* === UTILITY OVERRIDES === */
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 28px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(230,57,70,0.35);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.25);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 28px;
            font-weight: 600;
            transition: background var(--transition), border var(--transition), transform var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.4);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 6px 18px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 14px 40px;
            font-size: 1.05rem;
            border-radius: var(--radius);
        }

        .text-primary { color: var(--primary) !important; }
        .bg-primary { background: var(--primary) !important; }
        .bg-dark-section { background: var(--bg-dark); }

        /* === JSON-LD hidden === */
        .hidden-ld { display: none; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e50914;
            --primary-dark: #b20710;
            --primary-light: #ff4757;
            --secondary: #0a0a23;
            --secondary-light: #1a1a40;
            --accent: #ffd700;
            --accent-dark: #e6c200;
            --bg-dark: #0b0b1a;
            --bg-card: #111128;
            --bg-card-hover: #1a1a3e;
            --bg-light: #f8f9fc;
            --text-light: #ffffff;
            --text-muted: rgba(255, 255, 255, 0.6);
            --text-dark: #1a1a2e;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 56px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(229, 9, 20, 0.25);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 11, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
            padding: 0;
            height: 72px;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            transition: var(--transition);
            text-decoration: none;
        }

        .logo:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 16px rgba(229, 9, 20, 0.35);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.05);
        }

        .main-nav a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .main-nav a.active {
            color: var(--text-light);
            background: rgba(229, 9, 20, 0.12);
        }

        .main-nav a.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
            font-size: 0.9rem;
            padding: 10px 24px;
            line-height: 1.4;
        }

        .btn-sm {
            padding: 7px 18px;
            font-size: 0.85rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(229, 9, 20, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(229, 9, 20, 0.45);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-light);
            border: 1.5px solid var(--border-light);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(229, 9, 20, 0.08);
            color: var(--primary-light);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--secondary);
            box-shadow: 0 4px 24px rgba(255, 215, 0, 0.3);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 40px rgba(255, 215, 0, 0.4);
            color: var(--secondary);
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: linear-gradient(165deg, var(--secondary) 0%, var(--bg-dark) 60%);
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 11, 26, 0.85) 0%, rgba(11, 11, 26, 0.4) 100%);
            z-index: 1;
        }

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

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(229, 9, 20, 0.18);
            border: 1px solid rgba(229, 9, 20, 0.3);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }

        .banner-badge i {
            font-size: 0.75rem;
        }

        .page-banner h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ffffff 40%, rgba(255, 255, 255, 0.7));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            max-width: 700px;
            margin-bottom: 16px;
        }

        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.8;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 90px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 40px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .section-title {
            background: linear-gradient(135deg, #ffffff 50%, rgba(255, 255, 255, 0.7));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ===== 分类卡片 ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }

        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
            position: relative;
        }

        .sport-card:hover {
            transform: translateY(-6px);
            border-color: rgba(229, 9, 20, 0.25);
            box-shadow: var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .sport-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .sport-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .sport-card:hover .card-img img {
            transform: scale(1.05);
        }

        .sport-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(229, 9, 20, 0.85);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .sport-card .card-body {
            padding: 24px 22px 26px;
        }

        .sport-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-light);
        }

        .sport-card .card-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .sport-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .sport-card .card-meta i {
            color: var(--primary-light);
            margin-right: 4px;
        }

        .sport-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 12px;
            transition: var(--transition);
        }

        .sport-card .card-link i {
            transition: var(--transition);
            font-size: 0.8rem;
        }

        .sport-card:hover .card-link i {
            transform: translateX(4px);
        }

        /* ===== 热门列表 ===== */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hot-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .hot-item:hover {
            border-color: rgba(229, 9, 20, 0.2);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .hot-rank {
            font-size: 1.6rem;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.08);
            min-width: 44px;
            text-align: center;
            font-style: italic;
        }

        .hot-item:nth-child(1) .hot-rank {
            color: var(--accent);
        }
        .hot-item:nth-child(2) .hot-rank {
            color: #c0c0c0;
        }
        .hot-item:nth-child(3) .hot-rank {
            color: #cd7f32;
        }

        .hot-info {
            flex: 1;
        }

        .hot-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 2px;
        }

        .hot-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
        }

        .hot-stat {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .hot-stat span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hot-stat i {
            color: var(--primary-light);
        }

        .hot-badge {
            background: rgba(229, 9, 20, 0.15);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid rgba(229, 9, 20, 0.2);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 28px;
        }

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(229, 9, 20, 0.2);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 6px;
        }

        .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 12px;
            opacity: 0.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(229, 9, 20, 0.15);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.02rem;
            transition: var(--transition);
            user-select: none;
            background: none;
            border: none;
            color: var(--text-light);
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            color: var(--primary-light);
            transition: var(--transition);
            font-size: 0.85rem;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }

        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(145deg, var(--secondary-light), var(--bg-dark));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-box {
            text-align: center;
            padding: 40px 0;
        }

        .cta-box h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            text-decoration: none;
            margin-bottom: 16px;
        }

        .site-footer .footer-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .site-footer h5 {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
        }

        .footer-links li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 12px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 1.2rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            text-decoration: none;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.25);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .page-banner h1 {
                font-size: 2.6rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                gap: 4px;
            }

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

            .main-nav a {
                padding: 14px 18px;
                font-size: 1rem;
                width: 100%;
            }

            .main-nav a::after {
                display: none;
            }

            .nav-actions {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .page-banner {
                padding: 110px 0 60px;
                min-height: 320px;
            }

            .page-banner h1 {
                font-size: 2rem;
            }

            .page-banner p {
                font-size: 1rem;
            }

            .section-padding {
                padding: 60px 0;
            }

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

            .hot-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px;
            }

            .hot-stat {
                flex-wrap: wrap;
                gap: 10px;
                font-size: 0.82rem;
            }

            .hot-rank {
                min-width: 32px;
                font-size: 1.2rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-number {
                font-size: 2rem;
            }

            .cta-box h2 {
                font-size: 1.6rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .site-footer .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .page-banner h1 {
                font-size: 1.6rem;
            }

            .banner-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .sport-card .card-body h3 {
                font-size: 1.1rem;
            }

            .stat-card {
                padding: 20px 16px;
            }

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

            .btn-lg {
                padding: 12px 28px;
                font-size: 0.95rem;
            }

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

            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.88rem;
            }

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

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .bg-card-custom {
            background: var(--bg-card);
        }

        .border-custom {
            border-color: var(--border-color);
        }

        .gap-section {
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(229, 9, 20, 0.15), transparent);
            margin: 0;
        }

        /* 页面内部导航锚点微调 */
        .anchor-offset {
            scroll-margin-top: 90px;
        }