/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --accent: #d4a843;
            --accent-light: #e8c56e;
            --accent-dark: #b8922e;
            --bg-body: #f8f9fc;
            --bg-white: #ffffff;
            --bg-light: #f0f2f8;
            --bg-dark: #0f1a2e;
            --text-primary: #1a1a2e;
            --text-body: #3d3d5c;
            --text-muted: #7a7a9a;
            --text-white: #f0f0f8;
            --border: #e2e4ed;
            --border-light: #eef0f5;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.25s ease;
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
            min-height: 100vh;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
        }
        h3 {
            font-size: 1.6rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin-bottom: 0.8rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 640px;
            margin: 16px auto 0;
        }
        .section-bg-light {
            background: var(--bg-light);
        }
        .section-bg-white {
            background: var(--bg-white);
        }
        .section-bg-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-bg-dark h2,
        .section-bg-dark h3,
        .section-bg-dark h4 {
            color: var(--text-white);
        }
        .section-bg-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: 50px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .nav-cta:hover {
            background: var(--primary-light) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }
        .nav-cta::after {
            display: none !important;
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--primary);
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        /* ===== Hero ===== */
        .hero {
            padding: 140px 0 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.92) 0%, rgba(26, 42, 108, 0.70) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-content h1 {
            color: #fff;
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero-content h1 span {
            color: var(--accent);
        }
        .hero-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.2rem;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 580px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 67, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }
        .hero-tag {
            background: rgba(255, 255, 255, 0.10);
            color: rgba(255, 255, 255, 0.8);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: background var(--transition);
        }
        .hero-tag:hover {
            background: rgba(255, 255, 255, 0.18);
        }
        .hero-tag i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-body .tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .card-body h3 a {
            color: var(--text-primary);
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-meta .cat {
            color: var(--accent);
            font-weight: 500;
        }

        /* ===== Info Grid (2 cols) ===== */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .info-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .info-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .info-text h2 {
            margin-bottom: 16px;
        }
        .info-text p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .info-features {
            margin-top: 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .info-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-body);
        }
        .info-feature-item i {
            color: var(--accent);
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stat-item {
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition), transform var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            margin-top: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-question i {
            color: var(--accent);
            transition: transform var(--transition);
            font-size: 1.1rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            text-align: center;
            padding: 80px 0;
        }
        .cta-section h2 {
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn {
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        /* ===== Content List (CMS) ===== */
        .content-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .content-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-white);
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .content-list-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow);
        }
        .content-list-item .num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            min-width: 40px;
            text-align: center;
        }
        .content-list-item .info {
            flex: 1;
        }
        .content-list-item .info h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .content-list-item .info h4 a {
            color: var(--text-primary);
        }
        .content-list-item .info h4 a:hover {
            color: var(--primary);
        }
        .content-list-item .info .meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .content-list-item .info .meta .cat {
            color: var(--accent);
            font-weight: 500;
        }
        .content-list-item .info .meta i {
            margin-right: 4px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .site-logo span {
            -webkit-text-fill-color: #fff;
        }
        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.88rem;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            transition: background var(--transition), color var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }

        /* ===== Empty State ===== */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .empty-state i {
            font-size: 2.4rem;
            color: var(--border);
            margin-bottom: 16px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-content h1 {
                font-size: 2.6rem;
            }
            h2 {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 24px 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.35s ease, opacity 0.35s ease;
                pointer-events: none;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                font-size: 1.05rem;
                padding: 8px 0;
            }
            .nav-cta {
                text-align: center;
                padding: 12px 22px !important;
            }
            .hero {
                padding: 120px 0 60px;
                min-height: 440px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .section {
                padding: 56px 0;
            }
            .info-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .info-features {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .content-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .content-list-item .num {
                font-size: 1.2rem;
                min-width: auto;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 18px;
            }
            .faq-answer {
                padding: 0 18px 14px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 62px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .section {
                padding: 40px 0;
            }
            .container {
                padding: 0 16px;
            }
            .site-logo {
                font-size: 1.2rem;
            }
            .site-logo i {
                font-size: 1.4rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .card-body {
                padding: 18px;
            }
            .footer-grid {
                gap: 20px;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

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

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-white: #ffffff;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --text-dark: #1a1a2e;
            --text-body: #2b2d42;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border-color: #e9ecef;
            --border-light: #f0f0f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
            --shadow-hover: 0 12px 40px rgba(230, 57, 70, 0.2);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
        }
        h1 {
            font-size: 2.2rem;
        }
        h2 {
            font-size: 1.8rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            text-decoration: none;
        }
        .site-logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            opacity: 0.9;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.1);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .main-nav a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .main-nav a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ===== Article Page Styles ===== */
        .article-banner {
            position: relative;
            padding: 60px 0 40px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.7) 100%);
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .article-banner .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }
        .article-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
        }
        .article-banner .breadcrumb a:hover {
            color: #fff;
        }
        .article-banner .breadcrumb span {
            color: rgba(255, 255, 255, 0.5);
        }
        .article-banner h1 {
            font-size: 2.4rem;
            color: #fff;
            max-width: 800px;
            margin: 0 auto 16px;
            line-height: 1.35;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .article-banner .article-meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
        }
        .article-banner .article-meta i {
            margin-right: 6px;
            opacity: 0.7;
        }
        .article-banner .article-meta .category-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .article-main {
            padding: 50px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-content-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 40px;
            overflow: hidden;
        }
        .article-content-wrap .featured-image {
            width: 100%;
            border-radius: var(--radius-sm);
            margin-bottom: 30px;
            max-height: 480px;
            object-fit: cover;
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-content p {
            margin-bottom: 1.2rem;
        }
        .article-content h2,
        .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content ul li {
            list-style: disc;
        }
        .article-content ol li {
            list-style: decimal;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 12px 20px;
            margin: 1.5rem 0;
            background: rgba(230, 57, 70, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--primary-dark);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-decoration: none;
        }
        .article-tags .tag:hover {
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            border-color: var(--primary-light);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .article-share span {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            text-decoration: none;
        }
        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.3);
        }

        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-color);
            position: relative;
        }
        .sidebar-card h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-list li {
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 12px;
        }
        .sidebar-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-body);
            text-decoration: none;
            transition: var(--transition);
        }
        .sidebar-list a:hover {
            color: var(--primary);
        }
        .sidebar-list a .thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-light);
        }
        .sidebar-list a .info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-list a .info .title {
            font-size: 0.9rem;
            font-weight: 600;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .sidebar-list a .info .date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            text-align: center;
            padding: 32px 24px;
        }
        .sidebar-cta h3 {
            color: #fff;
            border-bottom: none;
        }
        .sidebar-cta h3::after {
            display: none;
        }
        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            margin: 12px 0 20px;
        }
        .sidebar-cta .btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
            transition: var(--transition);
            text-decoration: none;
        }
        .sidebar-cta .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.5);
        }

        /* Not Found */
        .not-found-wrap {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-wrap i {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            opacity: 0.5;
        }
        .not-found-wrap h2 {
            font-size: 1.8rem;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .not-found-wrap p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-wrap .btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 12px 36px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }
        .not-found-wrap .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
        }

        /* ===== Related Posts ===== */
        .related-section {
            background: var(--bg-white);
            padding: 50px 0;
            border-top: 1px solid var(--border-color);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 32px;
        }
        .related-section .section-title h2 {
            font-size: 1.6rem;
            position: relative;
            display: inline-block;
        }
        .related-section .section-title h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 3px;
            background: var(--primary);
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-decoration: none;
            color: var(--text-body);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px;
        }
        .related-card .card-body h4 {
            font-size: 1rem;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .related-card .card-body .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 10px;
            display: flex;
            gap: 12px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }
        .site-footer .site-logo i {
            color: var(--primary-light);
        }
        .site-footer .site-logo span {
            -webkit-text-fill-color: #fff;
            background: none;
        }
        .site-footer .site-logo:hover {
            opacity: 0.85;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            margin-top: 12px;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-cta {
                grid-column: 1 / -1;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.nav-cta {
                justify-content: center;
                margin-top: 8px;
            }
            .article-banner {
                padding: 40px 0 30px;
                min-height: 240px;
            }
            .article-banner h1 {
                font-size: 1.6rem;
            }
            .article-content-wrap {
                padding: 24px 20px;
            }
            .article-content {
                font-size: 1rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 1.3rem;
            }
            .article-banner .article-meta {
                gap: 12px;
                font-size: 0.85rem;
            }
            .article-content-wrap {
                padding: 16px;
            }
            .article-share {
                flex-wrap: wrap;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
        }

/* roulang page: category1 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #e83e3e;
            --primary-dark: #c62a2a;
            --primary-light: #fce8e8;
            --secondary: #1e2a4a;
            --secondary-light: #2a3a5e;
            --accent: #f5a623;
            --accent-light: #fef3e0;
            --bg-body: #f8f9fc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #141e33;
            --bg-soft: #f0f2f7;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #7a7a9a;
            --text-white: #ffffff;
            --border-color: #e6e8f0;
            --border-light: #f0f1f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 12px 40px rgba(232, 62, 62, 0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --spacer-section: 80px;
            --spacer-block: 48px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }
        p {
            color: var(--text-secondary);
            margin-bottom: 0.75rem;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
        }
        .site-logo i {
            font-size: 1.6rem;
            color: var(--primary);
        }
        .site-logo span {
            color: var(--secondary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.2px;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.nav-cta {
            background: var(--primary);
            color: var(--text-white);
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 14px rgba(232, 62, 62, 0.25);
        }
        .main-nav a.nav-cta i {
            font-size: 0.85rem;
        }
        .main-nav a.nav-cta::after {
            display: none;
        }
        .main-nav a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 62, 62, 0.35);
            color: var(--text-white);
        }
        .nav-toggle {
            display: none;
            background: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: var(--bg-soft);
        }

        /* ===== Hero / Banner (分类页顶) ===== */
        .category-hero {
            margin-top: var(--header-height);
            padding: 80px 0 64px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 60%, #0f1a2e 100%);
            position: relative;
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .category-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .category-hero .hero-tags span {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-weight: 500;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--spacer-section) 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: var(--spacer-block);
        }
        .section-title h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .section-title p {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 540px;
            margin: 0 auto;
        }
        .section-title .title-bar {
            width: 56px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 14px auto 0;
        }

        /* ===== 赛事分类卡片网格 ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .sport-card .card-img {
            height: 160px;
            background: var(--bg-soft);
            position: relative;
            overflow: hidden;
        }
        .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-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: var(--text-white);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }
        .sport-card .card-body {
            padding: 18px 20px 22px;
        }
        .sport-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .sport-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .sport-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .sport-card .card-body .card-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* ===== 热门赛事列表 ===== */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 16px 22px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            gap: 18px;
        }
        .hot-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .hot-item .hot-rank {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            min-width: 40px;
            text-align: center;
            opacity: 0.7;
        }
        .hot-item .hot-rank.rank-1 {
            color: var(--accent);
            opacity: 1;
        }
        .hot-item .hot-rank.rank-2 {
            color: #b0b8c8;
            opacity: 1;
        }
        .hot-item .hot-rank.rank-3 {
            color: #cd7f32;
            opacity: 1;
        }
        .hot-item .hot-info {
            flex: 1;
        }
        .hot-item .hot-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .hot-item .hot-info p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin: 0;
        }
        .hot-item .hot-tag {
            background: var(--bg-soft);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }
        .hot-item .hot-tag.live {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 资讯/文章卡片 ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .article-card .art-img {
            height: 180px;
            background: var(--bg-soft);
            overflow: hidden;
        }
        .article-card .art-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .article-card:hover .art-img img {
            transform: scale(1.04);
        }
        .article-card .art-body {
            padding: 18px 20px 22px;
        }
        .article-card .art-body .art-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            margin-bottom: 8px;
        }
        .article-card .art-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .article-card .art-body p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .article-card .art-body .art-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .article-card .art-body .art-meta i {
            margin-right: 4px;
        }
        .article-card .art-body .art-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 10px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            padding: 64px 0;
            text-align: center;
            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: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 540px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: var(--text-white);
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            box-shadow: 0 8px 30px rgba(232, 62, 62, 0.35);
            transition: var(--transition);
        }
        .cta-section .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(232, 62, 62, 0.45);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }
        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .footer-brand .site-logo i {
            color: var(--primary);
        }
        .footer-brand .site-logo span {
            color: var(--text-white);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-social {
            display: flex;
            gap: 16px;
        }
        .footer-social a {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .footer-social a:hover {
            color: var(--primary);
            transform: scale(1.15);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacer-section: 56px;
                --spacer-block: 32px;
                --header-height: 64px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: var(--bg-white);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                font-size: 1.05rem;
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-light);
            }
            .main-nav a:last-of-type {
                border-bottom: none;
            }
            .main-nav a.nav-cta {
                width: auto;
                align-self: flex-start;
                margin-top: 4px;
            }
            .category-hero {
                padding: 60px 0 48px;
                min-height: 240px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .article-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-item .stat-num {
                font-size: 1.8rem;
            }
            .hot-item {
                padding: 12px 16px;
                flex-wrap: wrap;
            }
            .hot-item .hot-rank {
                min-width: 30px;
                font-size: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .cta-btn {
                padding: 12px 30px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .sports-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-num {
                font-size: 1.5rem;
            }
            .article-card .art-img {
                height: 140px;
            }
            .hot-item {
                padding: 10px 14px;
            }
            .hot-item .hot-rank {
                font-size: 1rem;
                min-width: 24px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer.open {
                padding: 0 16px 16px;
            }
            .footer-grid {
                gap: 18px;
            }
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-white);
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .btn-more:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 62, 62, 0.25);
        }
        .btn-more i {
            font-size: 0.85rem;
        }