/* roulang page: index */
:root {
            --bg-deep: #08080f;
            --bg-primary: #0d0d1a;
            --bg-card: #141428;
            --bg-card-hover: #1a1a35;
            --bg-surface: #181830;
            --gold: #d4a843;
            --gold-light: #e8c97a;
            --gold-dark: #b0892e;
            --accent: #4a90d9;
            --accent-light: #6db3f0;
            --accent-glow: rgba(74, 144, 217, 0.35);
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c0;
            --text-muted: #7a7a90;
            --border-subtle: #252540;
            --border-card: #2a2a42;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 0 28px rgba(212, 168, 67, 0.18);
            --shadow-accent: 0 0 22px rgba(74, 144, 217, 0.15);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 80px;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--gold-light);
        }

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        /* ========== TOP INFO BAR ========== */
        .top-info-bar {
            background: #06060e;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.8rem;
            color: var(--text-muted);
            padding: 6px 0;
            letter-spacing: 0.4px;
        }
        .top-info-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .top-info-bar .info-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--gold-light);
            font-weight: 500;
        }
        .top-info-bar .info-tag i {
            font-size: 0.7rem;
            color: var(--gold);
        }
        .top-info-bar .info-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: #2ecc71;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
            margin-right: 2px;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(46, 204, 113, 0);
            }
        }

        /* ========== MAIN NAVBAR ========== */
        .main-navbar {
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .main-navbar .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .main-navbar .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--gold-dark), var(--gold));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #1a1a1a;
            font-weight: 900;
            flex-shrink: 0;
        }
        .main-navbar .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.6rem 1.1rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
        }
        .main-navbar .nav-link:hover {
            color: var(--gold-light);
            background: rgba(212, 168, 67, 0.06);
        }
        .main-navbar .nav-link.active {
            color: var(--gold);
            background: rgba(212, 168, 67, 0.1);
            font-weight: 600;
        }
        .main-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--gold);
            border-radius: 3px;
        }
        .main-navbar .navbar-toggler {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            color: var(--text-secondary);
        }
        .main-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(212, 168, 67, 0.3);
            outline: none;
        }
        .main-navbar .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(232,232,240,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 768px) {
            .main-navbar .navbar-collapse {
                background: var(--bg-deep);
                border-radius: var(--radius-md);
                padding: 12px;
                margin-top: 8px;
                border: 1px solid var(--border-subtle);
            }
            .main-navbar .nav-link.active::after {
                bottom: 0;
                width: 14px;
                height: 2px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--bg-deep);
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 80px 0;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 40% 50%, rgba(10, 10, 30, 0.4) 0%, var(--bg-deep) 85%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            max-width: 620px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 67, 0.12);
            border: 1px solid rgba(212, 168, 67, 0.3);
            color: var(--gold-light);
            padding: 7px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-badge i {
            font-size: 0.75rem;
            color: var(--gold);
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: 0.8px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 500px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--gold-dark), var(--gold));
            color: #1a1a1a;
            font-weight: 700;
            padding: 13px 30px;
            border-radius: 30px;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-gold);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-gold:hover {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 168, 67, 0.3);
            color: #1a1a1a;
        }
        .btn-outline-light-custom {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            color: #ffffff;
            font-weight: 600;
            padding: 13px 30px;
            border-radius: 30px;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid var(--border-subtle);
        }
        .hero-stat-item .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: 1px;
            font-family: var(--font-heading);
        }
        .hero-stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 50px 0;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.4rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-gap {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 768px) {
            .section-gap {
                padding: 48px 0;
            }
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-label::before {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 42px;
        }
        .section-header.text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
        }

        /* ========== CARD BASE ========== */
        .card-esports {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .card-esports:hover {
            background: var(--bg-card-hover);
            border-color: rgba(212, 168, 67, 0.25);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .card-esports .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #0a0a18;
        }
        .card-esports .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .card-esports:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-esports .card-body-custom {
            padding: 20px 22px 22px;
        }
        .card-esports .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
        }
        .tag-gold {
            background: rgba(212, 168, 67, 0.15);
            color: var(--gold-light);
        }
        .tag-blue {
            background: rgba(74, 144, 217, 0.15);
            color: var(--accent-light);
        }
        .card-esports .card-title-custom {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-esports .card-text-custom {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-esports .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-subtle);
        }
        .card-esports .card-meta i {
            font-size: 0.7rem;
            color: var(--gold);
        }

        /* ========== FEATURES GRID ========== */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(74, 144, 217, 0.3);
            box-shadow: var(--shadow-accent);
            transform: translateY(-3px);
        }
        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            background: rgba(74, 144, 217, 0.12);
            color: var(--accent-light);
            transition: all var(--transition-smooth);
        }
        .feature-card:hover .feature-icon {
            background: rgba(74, 144, 217, 0.22);
            box-shadow: 0 0 20px rgba(74, 144, 217, 0.2);
        }
        .feature-card .feature-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .feature-card .feature-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== CATEGORY ENTRY ========== */
        .category-entry-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            align-items: stretch;
            min-height: 240px;
        }
        .category-entry-card:hover {
            border-color: rgba(212, 168, 67, 0.3);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .category-entry-card .cat-img-side {
            flex: 0 0 42%;
            position: relative;
            overflow: hidden;
            background: #0a0a18;
        }
        .category-entry-card .cat-img-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .category-entry-card:hover .cat-img-side img {
            transform: scale(1.05);
        }
        .category-entry-card .cat-body {
            flex: 1;
            padding: 30px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .category-entry-card .cat-body h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .category-entry-card .cat-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .category-entry-card .cat-body .btn-gold-sm {
            align-self: flex-start;
            background: linear-gradient(135deg, var(--gold-dark), var(--gold));
            color: #1a1a1a;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.85rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: none;
        }
        .category-entry-card .cat-body .btn-gold-sm:hover {
            box-shadow: 0 6px 22px rgba(212, 168, 67, 0.3);
            transform: translateY(-1px);
            color: #1a1a1a;
        }
        @media (max-width: 768px) {
            .category-entry-card {
                flex-direction: column;
                min-height: auto;
            }
            .category-entry-card .cat-img-side {
                flex: 0 0 auto;
                aspect-ratio: 16 / 9;
            }
            .category-entry-card .cat-body {
                padding: 20px;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-list-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-list-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(212, 168, 67, 0.2);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .news-list-card .news-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #0a0a18;
            flex-shrink: 0;
        }
        .news-list-card .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-list-card:hover .news-img-wrap img {
            transform: scale(1.04);
        }
        .news-list-card .news-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-list-card .news-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .news-list-card .news-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.98rem;
            color: #ffffff;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }
        .news-list-card .news-excerpt {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-list-card .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .news-empty-state {
            text-align: center;
            padding: 50px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-card);
        }

        /* ========== DATA STATS ========== */
        .stats-block {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            padding: 40px 30px;
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .stats-block:hover {
            border-color: rgba(74, 144, 217, 0.3);
            box-shadow: var(--shadow-accent);
        }
        .stats-block .stats-num {
            font-size: 2.6rem;
            font-weight: 800;
            font-family: var(--font-heading);
            background: linear-gradient(135deg, var(--accent-light), var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
        }
        .stats-block .stats-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== STEPS / PROCESS ========== */
        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(212, 168, 67, 0.15);
            color: var(--gold-light);
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-heading);
        }
        .step-content h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(212, 168, 67, 0.2);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--gold-light);
        }
        .faq-question i {
            font-size: 0.75rem;
            color: var(--gold);
            transition: transform var(--transition-fast);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 168, 67, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .cta-title {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-desc {
            color: var(--text-secondary);
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
            font-size: 0.95rem;
        }
        .cta-section .btn-gold {
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 34px 20px;
            }
            .cta-section .cta-title {
                font-size: 1.4rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 24px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.6;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .site-footer .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--gold-light);
        }
        .site-footer .footer-bottom {
            margin-top: 28px;
            padding-top: 18px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-hover: #c1121f;
            --primary-soft: rgba(230, 57, 70, 0.1);
            --secondary: #457b9d;
            --dark: #1d3557;
            --dark-light: #233d63;
            --light: #f1faee;
            --bg: #ffffff;
            --bg-soft: #f8f9fa;
            --text: #212529;
            --text-muted: #6c757d;
            --border: #e9ecef;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.1);
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

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

        /* Navbar */
        .main-navbar {
            background: var(--dark);
            padding: 0.6rem 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            color: #fff !important;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: -0.5px;
        }
        .brand-icon {
            color: var(--primary);
            font-size: 1.8rem;
        }
        .navbar-nav .nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            background: rgba(255,255,255,0.15);
            color: #fff !important;
        }
        .navbar-toggler {
            border-color: rgba(255,255,255,0.5);
        }
        .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(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--bg-soft);
            padding: 0.8rem 0;
            margin-bottom: 0;
        }
        .breadcrumb {
            margin: 0;
        }
        .breadcrumb-item + .breadcrumb-item::before {
            color: var(--text-muted);
        }

        /* Article Hero */
        .article-hero {
            padding: 2.5rem 0;
            background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
        }
        .article-hero-inner {
            max-width: 800px;
            margin: 0 auto;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
        }
        .article-category {
            background: var(--primary-soft);
            color: var(--primary);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
        }
        .article-date {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .article-hero h1 {
            font-weight: 800;
            font-size: 2.6rem;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }
        .article-hero .lead {
            color: var(--text-muted);
            font-size: 1.2rem;
            max-width: 700px;
        }

        /* Article Content */
        .article-content-section {
            padding: 3rem 0;
        }
        .article-content-wrapper {
            max-width: 780px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 3rem;
        }
        .article-content-wrapper img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-content-wrapper p {
            margin-bottom: 1.3rem;
            font-size: 1.1rem;
        }
        .article-content-wrapper h2 {
            font-size: 1.8rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        .article-content-wrapper h3 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: var(--dark);
        }
        .article-content-wrapper blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-soft);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--dark);
            margin: 2rem 0;
        }

        /* Related Posts */
        .related-section {
            padding: 3rem 0;
            background: var(--bg-soft);
        }
        .section-title {
            font-weight: 800;
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 2rem;
            text-align: center;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            margin: 0.8rem auto 0;
            border-radius: 2px;
        }
        .post-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        .post-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .post-card-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .post-card-body {
            padding: 1.5rem;
        }
        .post-card-category {
            font-size: 0.8rem;
            background: var(--primary-soft);
            color: var(--primary);
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 0.5rem;
        }
        .post-card-title {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card-excerpt {
            color: var(--text-muted);
            font-size: 0.95rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 0.6rem 1.5rem;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        /* FAQ */
        .faq-section {
            padding: 3.5rem 0;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
            color: #fff;
            padding: 3.5rem 0;
            text-align: center;
        }
        .cta-section h2 {
            font-weight: 800;
        }
        .btn-light-custom {
            background: var(--primary);
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .btn-light-custom:hover {
            background: #fff;
            color: var(--dark);
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,0.8);
            padding: 3rem 0 2rem;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            max-width: 400px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            padding: 0;
        }
        .footer-links a {
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.2);
            margin-top: 2rem;
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
        }

        @media (max-width: 768px) {
            .article-hero h1 {
                font-size: 2rem;
            }
            .article-content-wrapper {
                padding: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
            .post-card-img {
                height: 160px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-bg-primary: #0a0e17;
            --color-bg-secondary: #111827;
            --color-bg-card: #141a26;
            --color-bg-card-hover: #1a2235;
            --color-bg-elevated: #1c2438;
            --color-bg-input: #1a2030;
            --color-accent: #3b82f6;
            --color-accent-light: #60a5fa;
            --color-accent-dark: #2563eb;
            --color-accent-glow: rgba(59, 130, 246, 0.25);
            --color-secondary: #06b6d4;
            --color-highlight: #f59e0b;
            --color-highlight-light: #fbbf24;
            --color-text-primary: #e2e8f0;
            --color-text-secondary: #cbd5e1;
            --color-text-muted: #94a3b8;
            --color-text-weak: #64748b;
            --color-border: #1e293b;
            --color-border-light: #2a3648;
            --color-border-accent: rgba(59, 130, 246, 0.35);
            --color-success: #10b981;
            --color-danger: #ef4444;
            --color-warning: #f59e0b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px var(--color-accent-glow);
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(59, 130, 246, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', 'Monaco', monospace;
            --header-height: 68px;
            --topbar-height: 36px;
            --container-max: 1200px;
            --section-gap: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: calc(var(--header-height) + var(--topbar-height) + 20px);
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-light);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--color-text-primary);
            font-weight: 700;
            line-height: 1.3;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ===== Top Bar ===== */
        .top-bar {
            background: #060a12;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--topbar-height);
            font-size: 12px;
            line-height: var(--topbar-height);
            color: var(--color-text-muted);
            z-index: 1040;
            position: relative;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar-left .dot-indicator {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--color-success); }
            50% { opacity: 0.4; box-shadow: 0 0 8px var(--color-success); }
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .top-bar-right a {
            color: var(--color-text-muted);
            font-size: 12px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .top-bar-right a:hover {
            color: var(--color-accent-light);
        }
        .top-bar-right .top-cta {
            background: var(--color-accent);
            color: #fff;
            padding: 3px 12px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 11px;
            line-height: 1.6;
            transition: all var(--transition-fast);
        }
        .top-bar-right .top-cta:hover {
            background: var(--color-accent-light);
            color: #fff;
            box-shadow: 0 0 12px var(--color-accent-glow);
        }
        @media (max-width: 640px) {
            .top-bar {
                display: none;
            }
        }

        /* ===== Header / Nav ===== */
        .main-header {
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1030;
            min-height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-base);
        }
        .main-header.scrolled {
            background: rgba(10, 14, 23, 0.97);
            border-bottom-color: var(--color-border-light);
        }
        .main-navbar {
            padding-top: 8px;
            padding-bottom: 8px;
            width: 100%;
        }
        .main-navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--color-text-primary) !important;
            display: flex;
            align-items: center;
            gap: 9px;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .main-navbar .navbar-brand:hover {
            color: var(--color-accent-light) !important;
        }
        .main-navbar .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent-dark), var(--color-secondary));
            border-radius: var(--radius-md);
            font-size: 1rem;
            color: #fff;
            box-shadow: 0 2px 10px rgba(59, 130, 246, 0.35);
        }
        .main-navbar .nav-link {
            color: var(--color-text-muted) !important;
            font-weight: 500;
            font-size: 0.925rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .main-navbar .nav-link:hover {
            color: var(--color-text-primary) !important;
            background: rgba(255, 255, 255, 0.04);
        }
        .main-navbar .nav-link.active {
            color: #fff !important;
            background: rgba(59, 130, 246, 0.18);
            font-weight: 600;
        }
        .main-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: var(--radius-full);
        }
        .navbar-toggler {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 7px 10px;
            background: transparent;
            transition: all var(--transition-fast);
        }
        .navbar-toggler:hover {
            border-color: var(--color-accent);
            background: rgba(59, 130, 246, 0.08);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
            outline: none;
        }
        .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(226,232,240,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991px) {
            .main-navbar .navbar-collapse {
                background: var(--color-bg-secondary);
                border-radius: var(--radius-lg);
                padding: 12px;
                margin-top: 8px;
                border: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
            }
            .main-navbar .nav-link {
                padding: 10px 16px !important;
                border-radius: var(--radius-md);
            }
            .main-navbar .nav-link.active::after {
                bottom: 0;
                width: 16px;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 64px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,14,23,0.65) 0%, rgba(10,14,23,0.88) 60%, var(--color-bg-primary) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(59,130,246,0.15) 0%, transparent 60%);
            z-index: 2;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 3;
        }
        .page-banner .breadcrumb {
            margin-bottom: 16px;
            font-size: 0.85rem;
        }
        .page-banner .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--color-accent-light);
        }
        .page-banner .breadcrumb .active {
            color: var(--color-accent-light);
            font-weight: 500;
        }
        .page-banner .banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            max-width: 620px;
            line-height: 1.6;
        }
        .page-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(59,130,246,0.2);
            border: 1px solid rgba(59,130,246,0.35);
            color: var(--color-accent-light);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 50px 0 40px;
                min-height: 260px;
            }
            .page-banner .banner-title {
                font-size: 1.8rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== Section Styles ===== */
        main {
            flex: 1;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--color-accent-light);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-heading h2 {
            font-size: 1.85rem;
            font-weight: 800;
            margin-bottom: 6px;
            color: #fff;
        }
        .section-heading .heading-line {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: var(--radius-full);
            margin-top: 10px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-heading h2 {
                font-size: 1.45rem;
            }
        }

        /* ===== Article List Cards ===== */
        .article-list-card {
            display: flex;
            gap: 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            cursor: pointer;
        }
        .article-list-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-accent);
            background: var(--color-bg-card-hover);
        }
        .article-list-card .card-img-wrap {
            flex-shrink: 0;
            width: 220px;
            min-height: 160px;
            position: relative;
            overflow: hidden;
            background: var(--color-bg-elevated);
        }
        .article-list-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-list-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .article-list-card .card-tag-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10,14,23,0.85);
            color: var(--color-highlight-light);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
            border: 1px solid rgba(245,158,11,0.3);
            z-index: 2;
        }
        .article-list-card .card-body-content {
            flex: 1;
            padding: 18px 20px 18px 4px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }
        .article-list-card .card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-list-card .card-summary {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }
        .article-list-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            flex-wrap: wrap;
        }
        .article-list-card .card-meta i {
            color: var(--color-accent);
            font-size: 0.7rem;
            margin-right: 3px;
        }
        @media (max-width: 640px) {
            .article-list-card {
                flex-direction: column;
            }
            .article-list-card .card-img-wrap {
                width: 100%;
                min-height: 180px;
                max-height: 220px;
            }
            .article-list-card .card-body-content {
                padding: 14px 18px 18px 18px;
            }
        }

        /* ===== Stats Block ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .stat-card:hover {
            border-color: var(--color-border-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 6px;
            background: linear-gradient(135deg, #fff, var(--color-accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        /* ===== Tags Cloud ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 18px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            color: var(--color-text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .tag-pill:hover {
            border-color: var(--color-accent);
            color: #fff;
            background: rgba(59,130,246,0.12);
            box-shadow: 0 0 16px rgba(59,130,246,0.15);
            transform: translateY(-1px);
        }
        .tag-pill.active-tag {
            background: rgba(59,130,246,0.2);
            border-color: var(--color-accent);
            color: var(--color-accent-light);
            font-weight: 600;
        }

        /* ===== Featured Card Grid ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            cursor: pointer;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-accent);
        }
        .featured-card .fc-img {
            height: 200px;
            overflow: hidden;
            background: var(--color-bg-elevated);
            position: relative;
        }
        .featured-card .fc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .fc-img img {
            transform: scale(1.05);
        }
        .featured-card .fc-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .featured-card .fc-tag {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--color-highlight);
            letter-spacing: 0.04em;
        }
        .featured-card .fc-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
        }
        .featured-card .fc-desc {
            font-size: 0.84rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-card .fc-img {
                height: 170px;
            }
        }

        /* ===== FAQ Accordion ===== */
        .faq-section {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .faq-accordion .accordion-item {
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-accordion .accordion-button {
            background: var(--color-bg-card);
            color: var(--color-text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(59,130,246,0.1);
            color: #fff;
            border-bottom: 1px solid var(--color-border-accent);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
            outline: none;
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0) invert(0.7);
            transition: transform var(--transition-base);
        }
        .faq-accordion .accordion-body {
            background: var(--color-bg-card);
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            padding: 16px 20px 20px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(59,130,246,0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
        }
        .cta-section p {
            color: var(--color-text-muted);
            max-width: 500px;
            margin: 0 auto 24px;
            position: relative;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            padding: 13px 30px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border: none;
            transition: all var(--transition-base);
            position: relative;
            box-shadow: 0 4px 16px rgba(59,130,246,0.35);
        }
        .btn-cta-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(59,130,246,0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-cta-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(59,130,246,0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            max-width: 420px;
            margin: 0;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            margin-top: 28px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text-weak);
            font-size: 0.8rem;
            gap: 8px;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 36px 0 22px;
            }
            .footer-links {
                margin-top: 14px;
                justify-content: flex-start;
                gap: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        /* ===== Utility ===== */
        .text-accent { color: var(--color-accent-light) !important; }
        .text-muted { color: var(--color-text-muted) !important; }
        .mt-auto { margin-top: auto; }
        .gap-20 { gap: 20px; }

        /* ===== Loading shimmer effect ===== */
        @keyframes shimmer {
            0% { background-position: -200px 0; }
            100% { background-position: 200px 0; }
        }

        /* ===== Smooth scroll offset for anchor ===== */
        @media (prefers-reduced-motion: reduce) {
            html { scroll-behavior: auto; }
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }