/* roulang page: index */
:root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --primary-light: #e74c3c;
            --secondary: #2c3e50;
            --secondary-light: #34495e;
            --accent: #f39c12;
            --bg-dark: #1a1a2e;
            --bg-darker: #0f0f1a;
            --bg-card: #16213e;
            --bg-card-hover: #1a2744;
            --text-light: #ecf0f1;
            --text-muted: #95a5a6;
            --text-dark: #2c3e50;
            --border-color: rgba(255,255,255,0.08);
            --border-light: rgba(255,255,255,0.12);
            --radius: 12px;
            --radius-lg: 20px;
            --shadow: 0 8px 32px rgba(0,0,0,0.3);
            --shadow-sm: 0 4px 16px rgba(0,0,0,0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        body {
            font-family: var(--font-main);
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        img:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 900px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 0 0;
            box-shadow: 0 2px 20px rgba(0,0,0,0.4);
        }
        .site-header .navbar {
            padding: 0.6rem 0;
        }
        .site-header .navbar-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
        }
        .site-header .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .site-header .navbar-brand:hover {
            color: var(--primary-light);
        }
        .site-header .nav-link {
            color: var(--text-muted) !important;
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            border-radius: 50px;
            transition: var(--transition);
            font-size: 0.95rem;
            position: relative;
        }
        .site-header .nav-link:hover {
            color: #fff !important;
            background: rgba(255,255,255,0.06);
        }
        .site-header .nav-link.active {
            color: #fff !important;
            background: var(--primary) !important;
            box-shadow: 0 4px 15px rgba(192,57,43,0.35);
        }
        .site-header .nav-link.active::after {
            display: none;
        }
        .site-header .navbar-toggler {
            border: 1px solid var(--border-light);
            color: var(--text-light);
            padding: 0.4rem 0.7rem;
            border-radius: 8px;
            background: transparent;
        }
        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--accent);
        }
        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .header-cta .btn {
            border-radius: 50px;
            padding: 0.45rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            color: #fff;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(192,57,43,0.3);
        }
        .header-cta .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(192,57,43,0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .header-cta .btn:active {
            transform: translateY(0);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: var(--bg-darker);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.4;
            z-index: 0;
            filter: saturate(0.7);
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,15,26,0.92) 0%, rgba(22,33,62,0.7) 60%, rgba(15,15,26,0.85) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            max-width: 720px;
            padding: 3rem 0;
        }
        .hero-content .badge {
            background: var(--primary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            letter-spacing: 0.3px;
            margin-bottom: 1.2rem;
            display: inline-block;
            border: none;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 1.2rem;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 580px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero-content .btn-group-hero {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 0.5rem;
        }
        .hero-content .btn-primary-custom {
            padding: 0.8rem 2.4rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            color: #fff;
            transition: var(--transition);
            box-shadow: 0 6px 25px rgba(192,57,43,0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-content .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(192,57,43,0.5);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
        }
        .hero-content .btn-outline-custom {
            padding: 0.8rem 2.4rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid var(--border-light);
            color: var(--text-light);
            background: transparent;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-content .btn-outline-custom:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(192,57,43,0.08);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stats .stat-number .num-highlight {
            color: var(--accent);
        }
        .hero-stats .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }

        /* ===== Section通用 ===== */
        .section-block {
            padding: 5rem 0;
            position: relative;
        }
        .section-block.bg-alt {
            background: var(--bg-darker);
        }
        .section-block.bg-gradient {
            background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 0;
        }
        .section-header {
            margin-bottom: 3rem;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin-top: 1rem;
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .card-custom .card-img-top {
            aspect-ratio: 16 / 10;
            object-fit: cover;
            width: 100%;
        }
        .card-custom .card-body {
            padding: 1.5rem;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            line-height: 1.4;
        }
        .card-custom .card-text {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 0.8rem;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0.2rem;
        }
        .card-custom .card-meta .badge-tag {
            background: rgba(192,57,43,0.2);
            color: var(--primary-light);
            padding: 0.15rem 0.8rem;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.75rem;
        }
        .card-custom .card-link {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .card-custom .card-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2rem 1.8rem;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .feature-card .icon-box {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(192,57,43,0.2), rgba(243,156,18,0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.8rem;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .feature-card:hover .icon-box {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            transform: scale(1.05);
        }
        .feature-card h5 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Category Chip ===== */
        .category-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 1.5rem;
        }
        .category-chips .chip {
            padding: 0.5rem 1.6rem;
            border-radius: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.92rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .category-chips .chip:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(192,57,43,0.08);
        }
        .category-chips .chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 15px rgba(192,57,43,0.3);
        }

        /* ===== Stats Block ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
            border-color: var(--border-light);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 0.8rem;
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        /* ===== Timeline / Process ===== */
        .process-step {
            display: flex;
            gap: 1.5rem;
            padding: 1.5rem 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .process-step:last-child {
            border-bottom: none;
        }
        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .process-step .step-content h5 {
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
            font-size: 1.1rem;
        }
        .process-step .step-content p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 1.5rem 1.8rem;
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .faq-item .faq-question {
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            margin-bottom: 0;
        }
        .faq-item .faq-question .q-icon {
            color: var(--primary-light);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-top: 0.8rem;
            padding-left: 1.8rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-darker), var(--bg-card));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
        }
        .cta-section .cta-text {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-section .btn-cta {
            padding: 0.9rem 3rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            color: #fff;
            transition: var(--transition);
            box-shadow: 0 6px 25px rgba(192,57,43,0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(192,57,43,0.5);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 3.5rem 0 1.5rem;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 0.8rem;
        }
        .site-footer .footer-brand .brand-icon-small {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
        }
        .site-footer .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer .footer-heading {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.5rem;
        }
        .site-footer .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
            margin-top: 2.5rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .site-footer .footer-bottom a {
            color: var(--text-muted);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .hero-content h1 {
                font-size: 2.6rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                min-height: 70vh;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
                margin-top: 2rem;
                padding-top: 1.5rem;
            }
            .hero-stats .stat-number {
                font-size: 1.6rem;
            }
            .section-block {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-card {
                padding: 1.2rem 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .feature-card {
                padding: 1.5rem 1.2rem;
            }
            .process-step {
                flex-direction: column;
                gap: 0.8rem;
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
            .site-header .navbar-collapse {
                background: var(--bg-darker);
                padding: 1rem;
                border-radius: var(--radius);
                margin-top: 0.5rem;
                border: 1px solid var(--border-color);
            }
            .site-header .nav-link {
                padding: 0.6rem 1rem !important;
            }
            .header-cta .btn {
                padding: 0.4rem 1.2rem;
                font-size: 0.85rem;
            }
            .site-footer .footer-brand {
                font-size: 1.1rem;
            }
            .category-chips .chip {
                font-size: 0.85rem;
                padding: 0.4rem 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-content .btn-primary-custom,
            .hero-content .btn-outline-custom {
                padding: 0.6rem 1.6rem;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
            }
            .hero-stats .stat-item {
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 8px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .faq-item {
                padding: 1.2rem 1.2rem;
            }
            .faq-item .faq-question {
                font-size: 0.95rem;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-in-delay-1 {
            animation-delay: 0.15s;
        }
        .animate-in-delay-2 {
            animation-delay: 0.3s;
        }
        .animate-in-delay-3 {
            animation-delay: 0.45s;
        }

        /* 空列表提示 */
        .empty-tip {
            text-align: center;
            padding: 3rem 1.5rem;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border-color);
        }
        .empty-tip i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--text-muted);
            opacity: 0.5;
        }

        /* 列表项样式 */
        .list-item-custom {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
            transition: var(--transition);
        }
        .list-item-custom:last-child {
            border-bottom: none;
        }
        .list-item-custom:hover {
            padding-left: 6px;
        }
        .list-item-custom .item-thumb {
            width: 100px;
            height: 72px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-card);
        }
        .list-item-custom .item-content {
            flex: 1;
            min-width: 0;
        }
        .list-item-custom .item-title {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 0.3rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-item-custom .item-title a {
            color: #fff;
        }
        .list-item-custom .item-title a:hover {
            color: var(--primary-light);
        }
        .list-item-custom .item-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .list-item-custom .item-meta .badge-tag {
            background: rgba(192,57,43,0.2);
            color: var(--primary-light);
            padding: 0.1rem 0.7rem;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.72rem;
        }
        .list-item-custom .item-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 520px) {
            .list-item-custom {
                flex-direction: column;
                gap: 0.6rem;
            }
            .list-item-custom .item-thumb {
                width: 100%;
                height: 160px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #d4a853;
            --primary-dark: #b8893a;
            --primary-light: #e8c87a;
            --secondary: #2c2c2c;
            --accent: #c0392b;
            --bg-dark: #1a1a1a;
            --bg-card: #2a2a2a;
            --bg-section: #222222;
            --bg-light: #f5f0e8;
            --text-light: #f0ede6;
            --text-muted: #b0a89a;
            --text-dark: #e0d8cc;
            --border-color: #3a3a3a;
            --border-light: #4a4a4a;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 8px 30px rgba(0,0,0,0.3);
            --shadow-sm: 0 4px 15px rgba(0,0,0,0.2);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.4);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }
        
        /* ===== 基础 Reset ===== */
        *, *::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-light);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-light); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        
        /* ===== 容器 ===== */
        .container { max-width: var(--container-max); padding-left: 20px; padding-right: 20px; margin: 0 auto; width: 100%; }
        
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(26, 26, 26, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .site-header .navbar {
            padding: 0;
            min-height: var(--nav-height);
        }
        .site-header .navbar-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            letter-spacing: 0.5px;
            transition: color var(--transition);
        }
        .site-header .navbar-brand:hover { color: var(--primary); }
        .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-dark);
            font-size: 1.2rem;
            transition: transform var(--transition);
        }
        .site-header .navbar-brand:hover .brand-icon { transform: rotate(-10deg) scale(1.05); }
        .navbar-nav .nav-item { margin: 0 2px; }
        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
        }
        .navbar-nav .nav-link:hover {
            color: var(--text-light);
            background: rgba(212, 168, 83, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(212, 168, 83, 0.12);
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .navbar-toggler {
            border: 1px solid var(--border-color);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: transparent;
            transition: all var(--transition);
        }
        .navbar-toggler:hover { border-color: var(--primary); }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(240,237,230,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 24px;
            height: 24px;
        }
        .header-cta .btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--bg-dark);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 50px;
            border: none;
            font-size: 0.9rem;
            transition: all var(--transition);
            box-shadow: 0 4px 15px rgba(212, 168, 83, 0.3);
        }
        .header-cta .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(212, 168, 83, 0.4);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: var(--bg-dark);
        }
        .header-cta .btn:active { transform: translateY(0); }
        
        @media (max-width: 991px) {
            .site-header .navbar-brand { font-size: 1.2rem; }
            .navbar-nav .nav-link { padding: 10px 16px; }
            .navbar-collapse {
                background: rgba(26,26,26,0.98);
                padding: 16px 0;
                border-radius: var(--radius);
                margin-top: 8px;
                border: 1px solid var(--border-color);
            }
            .navbar-nav .nav-link.active::after { display: none; }
            .header-cta { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border-color); }
        }
        @media (max-width: 576px) {
            .site-header .navbar-brand { font-size: 1rem; }
            .brand-icon { width: 34px; height: 34px; font-size: 1rem; }
            .header-cta .btn { padding: 8px 18px; font-size: 0.85rem; }
        }
        
        /* ===== 页面横幅 ===== */
        .page-banner {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, rgba(26,26,26,0.92), rgba(44,44,44,0.88)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(212,168,83,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .page-banner .breadcrumb-custom a { color: var(--text-muted); }
        .page-banner .breadcrumb-custom a:hover { color: var(--primary); }
        .page-banner .breadcrumb-custom span { color: var(--primary); }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .page-banner h1 span { color: var(--primary); }
        .page-banner .lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .page-banner { padding: 80px 0 60px; }
            .page-banner h1 { font-size: 2rem; }
            .page-banner .lead { font-size: 1rem; }
        }
        @media (max-width: 576px) {
            .page-banner { padding: 60px 0 40px; }
            .page-banner h1 { font-size: 1.6rem; }
        }
        
        /* ===== 分类简介 ===== */
        .category-intro {
            padding: 60px 0;
            background: var(--bg-section);
        }
        .category-intro .intro-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        .category-intro .intro-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary), var(--primary-dark));
        }
        .category-intro .intro-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .category-intro .intro-card p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .category-intro { padding: 40px 0; }
            .category-intro .intro-card { padding: 28px 24px; }
            .category-intro .intro-card h2 { font-size: 1.3rem; }
        }
        
        /* ===== 赛事分类标签 ===== */
        .sports-tabs {
            padding: 50px 0 30px;
            background: var(--bg-dark);
        }
        .sports-tabs .tab-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .sports-tabs .tab-nav .tab-btn {
            padding: 10px 28px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
        }
        .sports-tabs .tab-nav .tab-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(212,168,83,0.06);
        }
        .sports-tabs .tab-nav .tab-btn.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--bg-dark);
            border-color: transparent;
            box-shadow: 0 4px 15px rgba(212,168,83,0.3);
        }
        .sports-tabs .tab-nav .tab-btn:active { transform: scale(0.96); }
        
        /* ===== 赛事卡片网格 ===== */
        .sports-grid-section {
            padding: 20px 0 60px;
            background: var(--bg-dark);
        }
        .sports-grid-section .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 40px;
        }
        .sports-grid-section .section-title span { color: var(--primary); }
        .sport-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }
        .sport-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .sport-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .sport-card:hover .card-img img { transform: scale(1.06); }
        .sport-card .card-img .badge-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--bg-dark);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: 50px;
        }
        .sport-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .sport-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
            transition: color var(--transition);
        }
        .sport-card:hover .card-body h3 { color: var(--primary); }
        .sport-card .card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .sport-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        .sport-card .card-body .card-meta i { color: var(--primary); width: 16px; }
        .sport-card .card-body .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            margin-top: 12px;
        }
        .sport-card .card-body .card-link:hover { color: var(--primary-light); gap: 10px; }
        
        @media (max-width: 768px) {
            .sports-grid-section .section-title { font-size: 1.4rem; margin-bottom: 30px; }
            .sport-card .card-img { height: 160px; }
            .sport-card .card-body { padding: 18px; }
            .sport-card .card-body h3 { font-size: 1.1rem; }
        }
        @media (max-width: 576px) {
            .sports-grid-section { padding: 10px 0 40px; }
            .sport-card .card-img { height: 140px; }
        }
        
        /* ===== 赛事数据统计 ===== */
        .stats-section {
            padding: 60px 0;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .stats-section .stat-item {
            text-align: center;
            padding: 24px 16px;
        }
        .stats-section .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stats-section .stat-item .stat-label {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stats-section .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
            opacity: 0.6;
        }
        @media (max-width: 768px) {
            .stats-section { padding: 40px 0; }
            .stats-section .stat-item .stat-number { font-size: 2.2rem; }
            .stats-section .stat-item { padding: 16px 8px; }
        }
        
        /* ===== 流程步骤 ===== */
        .process-section {
            padding: 60px 0;
            background: var(--bg-dark);
        }
        .process-section .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .process-section .section-title span { color: var(--primary); }
        .process-section .section-desc {
            text-align: center;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 40px;
            font-size: 1.05rem;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            transition: all var(--transition);
            position: relative;
            height: 100%;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
            border-color: var(--primary);
        }
        .process-step .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--bg-dark);
            margin: 0 auto 16px;
        }
        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .process-step p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .process-step .step-arrow {
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 1.4rem;
            opacity: 0.5;
        }
        @media (max-width: 991px) {
            .process-step .step-arrow { display: none; }
        }
        @media (max-width: 768px) {
            .process-section { padding: 40px 0; }
            .process-section .section-title { font-size: 1.4rem; }
            .process-step { padding: 24px 16px; }
        }
        
        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-section);
        }
        .faq-section .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 40px;
        }
        .faq-section .section-title span { color: var(--primary); }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border-light); }
        .faq-item .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-light);
            font-size: 1.05rem;
            transition: all var(--transition);
            user-select: none;
        }
        .faq-item .faq-question:hover { color: var(--primary); }
        .faq-item .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
            font-size: 1.1rem;
        }
        .faq-item .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .faq-section { padding: 40px 0; }
            .faq-section .section-title { font-size: 1.4rem; margin-bottom: 30px; }
            .faq-item .faq-question { padding: 16px 18px; font-size: 0.95rem; }
            .faq-item .faq-answer { padding: 0 18px 16px; }
        }
        
        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, rgba(26,26,26,0.95), rgba(44,44,44,0.9)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-section .cta-box {
            text-align: center;
            padding: 40px;
            background: rgba(42,42,42,0.8);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .cta-section .cta-box h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .cta-section .cta-box h2 span { color: var(--primary); }
        .cta-section .cta-box p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-box .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--bg-dark);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 40px;
            border-radius: 50px;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 6px 25px rgba(212,168,83,0.35);
        }
        .cta-section .cta-box .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(212,168,83,0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: var(--bg-dark);
        }
        .cta-section .cta-box .btn-cta:active { transform: translateY(0); }
        @media (max-width: 768px) {
            .cta-section { padding: 40px 0; }
            .cta-section .cta-box { padding: 28px 20px; }
            .cta-section .cta-box h2 { font-size: 1.5rem; }
            .cta-section .cta-box p { font-size: 0.95rem; }
            .cta-section .cta-box .btn-cta { padding: 12px 30px; font-size: 0.95rem; }
        }
        
        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            padding: 60px 0 0;
            border-top: 1px solid var(--border-color);
        }
        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .brand-icon-small {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-dark);
            font-size: 1rem;
        }
        .site-footer .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .site-footer .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-links li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links li a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid var(--border-color);
            text-align: center;
        }
        .site-footer .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .site-footer .footer-bottom a { color: var(--primary); }
        .site-footer .footer-bottom a:hover { color: var(--primary-light); }
        @media (max-width: 768px) {
            .site-footer { padding: 40px 0 0; }
            .site-footer .footer-brand { font-size: 1.2rem; }
            .site-footer .footer-heading { margin-top: 16px; }
            .site-footer .footer-bottom { margin-top: 30px; }
        }
        
        /* ===== 通用样式 ===== */
        .section-padding { padding: 60px 0; }
        .text-primary-custom { color: var(--primary); }
        .bg-section-alt { background: var(--bg-section); }
        
        @media (max-width: 768px) {
            .section-padding { padding: 40px 0; }
        }
        
        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-delay-1 { animation-delay: 0.1s; }
        .animate-delay-2 { animation-delay: 0.2s; }
        .animate-delay-3 { animation-delay: 0.3s; }
        .animate-delay-4 { animation-delay: 0.4s; }
        
        /* ===== 结构化数据隐藏 ===== */
        .structured-data { display: none; }

/* roulang page: article */
:root {
            --color-primary: #B8860B;
            --color-primary-dark: #8B6914;
            --color-primary-light: #D4A84B;
            --color-secondary: #2C3E50;
            --color-secondary-light: #3D566E;
            --color-bg: #FAF3E0;
            --color-surface: #FFF8DC;
            --color-card: #FFFFFF;
            --color-text: #3E2723;
            --color-text-light: #7F6B5A;
            --color-text-muted: #A0917E;
            --color-border: #D2B48C;
            --color-border-light: #E8D5B8;
            --color-accent: #CD5C5C;
            --color-accent-hover: #B84C4C;
            --color-success: #6B8E23;
            --color-badge-bg: #F0E6D3;
            --color-footer-bg: #2C3E50;
            --color-footer-text: #D4C9B8;
            --color-footer-link: #B8A99A;
            --font-heading: 'Georgia', 'Times New Roman', serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --shadow-sm: 0 1px 3px rgba(62, 39, 35, 0.08);
            --shadow-md: 0 4px 14px rgba(62, 39, 35, 0.1);
            --shadow-lg: 0 8px 30px rgba(62, 39, 35, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --border-width: 2px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: var(--color-primary-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--color-text);
            line-height: 1.3;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--color-surface);
            border-bottom: var(--border-width) solid var(--color-border);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1040;
            backdrop-filter: blur(6px);
        }
        .site-header .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .site-header .navbar-brand {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary-dark) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-header .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 1.1rem;
            box-shadow: var(--shadow-sm);
        }
        .site-header .navbar-brand:hover {
            color: var(--color-primary) !important;
        }
        .site-header .nav-link {
            font-weight: 500;
            color: var(--color-text) !important;
            padding: 8px 18px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            font-size: 0.95rem;
        }
        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: var(--color-primary-dark) !important;
            background: var(--color-badge-bg);
        }
        .site-header .nav-link.active {
            color: #fff !important;
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-sm);
        }
        .site-header .nav-link.active::after {
            display: none;
        }
        .navbar-toggler {
            border: var(--border-width) solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%233E2723' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }
        .header-cta .btn {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-xl);
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .header-cta .btn:hover,
        .header-cta .btn:focus {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            text-decoration: none;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--color-secondary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(44, 62, 80, 0.85) 0%, rgba(44, 62, 80, 0.6) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .hero-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: var(--radius-xl);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            max-width: 900px;
        }
        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
        }
        .article-hero .hero-meta i {
            margin-right: 6px;
            color: var(--color-primary-light);
        }
        .article-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0;
        }
        .article-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: var(--border-width) solid var(--color-border-light);
            box-shadow: var(--shadow-md);
            padding: 40px 48px;
            transition: var(--transition);
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text);
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2,
        .article-body h3 {
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            font-family: var(--font-heading);
            color: var(--color-primary-dark);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            border-left: 4px solid var(--color-primary);
            background: var(--color-badge-bg);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--color-text-light);
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 1.2em;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body a {
            color: var(--color-primary-dark);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--color-primary);
        }

        /* ===== Article Meta Bottom ===== */
        .article-meta-bottom {
            margin-top: 40px;
            padding-top: 28px;
            border-top: var(--border-width) solid var(--color-border-light);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            display: inline-block;
            background: var(--color-badge-bg);
            color: var(--color-text-light);
            padding: 4px 14px;
            border-radius: var(--radius-xl);
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            text-decoration: none;
        }
        .article-share {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .article-share .share-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .article-share .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-badge-bg);
            color: var(--color-text);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .article-share .share-btn:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            transform: translateY(-2px);
            text-decoration: none;
        }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 60px 0;
            background: var(--color-surface);
            border-top: var(--border-width) solid var(--color-border-light);
        }
        .related-section .section-title {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 36px;
            text-align: center;
            position: relative;
        }
        .related-section .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--color-primary);
            margin: 12px auto 0;
            border-radius: 2px;
        }
        .related-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: var(--border-width) solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
        }
        .related-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .related-card .card-img .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: var(--radius-xl);
            font-size: 0.7rem;
            font-weight: 600;
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
        }
        .related-card .card-body h5 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-card .card-body h5 a {
            color: var(--color-text);
        }
        .related-card .card-body h5 a:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }
        .related-card .card-body .card-text {
            font-size: 0.88rem;
            color: var(--color-text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-body .card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            justify-content: space-between;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 60px 0;
            background: var(--color-secondary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(44, 62, 80, 0.8);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section .cta-box {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-section .cta-box h2 {
            font-size: 2rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section .cta-box p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .cta-section .cta-box .btn-cta {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-xl);
            padding: 14px 40px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(184, 134, 11, 0.4);
        }
        .cta-section .cta-box .btn-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(184, 134, 11, 0.5);
            color: #fff;
            text-decoration: none;
        }
        .cta-section .cta-box .btn-cta i {
            margin-right: 8px;
        }

        /* ===== Article Nav ===== */
        .article-nav-section {
            padding: 40px 0;
            background: var(--color-bg);
        }
        .article-nav-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: space-between;
        }
        .article-nav-row .nav-prev,
        .article-nav-row .nav-next {
            flex: 1 1 240px;
            max-width: 48%;
        }
        .article-nav-row .nav-link-item {
            display: block;
            padding: 16px 20px;
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: var(--border-width) solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            color: var(--color-text);
        }
        .article-nav-row .nav-link-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            text-decoration: none;
            color: var(--color-text);
        }
        .article-nav-row .nav-label {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }
        .article-nav-row .nav-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary-dark);
        }
        .article-nav-row .nav-next {
            text-align: right;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: var(--border-width) solid var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        .not-found-box .nf-icon {
            font-size: 4rem;
            color: var(--color-primary-light);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--color-text-light);
            margin-bottom: 24px;
        }
        .not-found-box .btn-home {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-xl);
            padding: 12px 32px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-home:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            color: #fff;
            text-decoration: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 50px 0 30px;
            border-top: 4px solid var(--color-primary);
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-footer .brand-icon-small {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
            font-size: 0.9rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: var(--color-footer-link);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer .footer-heading {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .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: var(--color-footer-link);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-primary-light);
            text-decoration: none;
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
            color: var(--color-footer-link);
        }
        .site-footer .footer-bottom a {
            color: var(--color-primary-light);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2rem;
            }
            .article-card {
                padding: 32px 28px;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 60px 0 40px;
                min-height: 240px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-hero .hero-meta {
                gap: 12px;
                font-size: 0.82rem;
                flex-wrap: wrap;
            }
            .article-card {
                padding: 24px 18px;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .article-meta-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .related-section .section-title {
                font-size: 1.4rem;
            }
            .related-card .card-img {
                height: 150px;
            }
            .cta-section .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-section .cta-box p {
                font-size: 0.95rem;
            }
            .cta-section .cta-box .btn-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .article-nav-row .nav-prev,
            .article-nav-row .nav-next {
                max-width: 100%;
                flex: 1 1 100%;
            }
            .article-nav-row .nav-next {
                text-align: left;
            }
            .site-footer .footer-brand {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.3rem;
            }
            .article-hero {
                padding: 40px 0 30px;
                min-height: 200px;
            }
            .article-card {
                padding: 16px 12px;
                border-radius: var(--radius-md);
            }
            .article-body {
                font-size: 0.92rem;
            }
            .article-body blockquote {
                padding: 12px 16px;
            }
            .related-card .card-img {
                height: 120px;
            }
            .cta-section .cta-box h2 {
                font-size: 1.2rem;
            }
            .cta-section {
                padding: 40px 0;
            }
            .site-header .navbar-brand {
                font-size: 1.1rem;
            }
            .site-header .navbar-brand .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 380px) {
            .article-hero h1 {
                font-size: 1.1rem;
            }
            .article-card {
                padding: 12px 8px;
            }
            .article-hero .hero-meta {
                font-size: 0.75rem;
                gap: 8px;
            }
        }