/* roulang page: index */
:root {
            --primary: #F2994A;
            --primary-dark: #E07B2C;
            --primary-light: #FFF0E0;
            --secondary: #5B4AE0;
            --secondary-light: #EDEBFC;
            --accent: #FFC940;
            --accent-glow: #FFE9A0;
            --bg: #FFF8F0;
            --bg-alt: #FEF3E4;
            --bg-warm: #FFFBF5;
            --card-bg: #FFFFFF;
            --card-bg-alt: #FFFDF9;
            --text: #2D2A3E;
            --text-strong: #1A1728;
            --text-muted: #7A7688;
            --text-light: #9E9AAA;
            --border: #EDE4D8;
            --border-light: #F5EFE6;
            --radius-xl: 20px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 12px rgba(45,42,62,0.04);
            --shadow-md: 0 4px 24px rgba(45,42,62,0.07);
            --shadow-lg: 0 8px 40px rgba(45,42,62,0.10);
            --shadow-xl: 0 16px 56px rgba(45,42,62,0.13);
            --shadow-glow: 0 0 40px rgba(242,153,74,0.18);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 8px;
        }

        input {
            font-family: var(--font-body);
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-strong);
        }
        h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
        h3 { font-size: clamp(1.15rem, 2.2vw, 1.5rem); }
        h4 { font-size: 1.1rem; }

        p { margin: 0 0 1rem; }
        p:last-child { margin-bottom: 0; }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 900;
            letter-spacing: -0.5px;
            box-shadow: 0 2px 10px rgba(242,153,74,0.3);
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .logo-text span {
            color: var(--primary-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-strong);
            background: var(--bg-alt);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(242,153,74,0.35);
        }
        .nav-links a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-search-wrap {
            position: relative;
            flex-shrink: 0;
            margin-left: 4px;
        }
        .nav-search {
            width: 200px;
            padding: 9px 14px 9px 38px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            color: var(--text);
            background: var(--card-bg);
            transition: all var(--transition-fast);
        }
        .nav-search::placeholder {
            color: var(--text-light);
        }
        .nav-search:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(242,153,74,0.1);
            width: 240px;
        }
        .nav-search-icon {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            pointer-events: none;
            font-size: 0.85rem;
        }
        .hot-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .hot-tags span {
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .hot-tags span:hover {
            background: var(--primary);
            color: #fff;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text);
            padding: 6px;
            line-height: 1;
        }

        /* Mobile Nav Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            box-shadow: var(--shadow-xl);
            z-index: 2000;
            padding: 24px 20px;
            transition: right var(--transition-normal);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.4);
            z-index: 1999;
            transition: opacity var(--transition-normal);
        }
        .mobile-drawer-overlay.show {
            display: block;
        }
        .mobile-drawer .drawer-close {
            display: block;
            margin-left: auto;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px 8px;
        }
        .mobile-drawer a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 4px;
            transition: all var(--transition-fast);
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .mobile-drawer .drawer-search {
            width: 100%;
            padding: 10px 14px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(160deg, #1a1728 0%, #2d2848 35%, #3d3460 70%, #2a2540 100%);
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }
        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242,153,74,0.25) 0%, transparent 70%);
            top: -120px;
            right: -100px;
            pointer-events: none;
        }
        .hero-glow-2 {
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(91,74,224,0.2) 0%, transparent 70%);
            bottom: -80px;
            left: -60px;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            color: #fff;
            max-width: 680px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.25);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(6px);
        }
        .hero-content h1 {
            color: #fff;
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            margin-bottom: 18px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 520px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(242,153,74,0.4);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(242,153,74,0.5);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.45);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.88rem;
        }
        .btn-secondary {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(91,74,224,0.3);
        }
        .btn-secondary:hover {
            background: #4a3bc8;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(91,74,224,0.4);
            color: #fff;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.5px;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-warm {
            background: var(--bg-warm);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 10px;
        }
        .section-header .subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* ========== FEATURE CARDS ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--primary-light);
            opacity: 0;
            transition: all var(--transition-slow);
            pointer-events: none;
        }
        .feature-card:hover::before {
            opacity: 0.6;
            width: 120px;
            height: 120px;
            top: -50px;
            right: -50px;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .feature-icon.orange { background: #FFF0E0; color: var(--primary); }
        .feature-icon.purple { background: var(--secondary-light); color: var(--secondary); }
        .feature-icon.gold { background: #FFFBE6; color: #D4A017; }
        .feature-icon.teal { background: #E6FAF5; color: #0FA882; }
        .feature-card h3 {
            font-size: 1.08rem;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            position: relative;
            z-index: 1;
        }

        /* ========== CATEGORY ENTRY ========== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .category-card-lg {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            transition: all var(--transition-normal);
            border: 1px solid var(--border-light);
        }
        .category-card-lg:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .category-card-lg .card-img {
            width: 45%;
            min-height: 260px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            position: relative;
        }
        .category-card-lg .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent 60%, rgba(255,255,255,0.3) 100%);
        }
        .category-card-lg .card-body {
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 10px;
            width: fit-content;
        }
        .card-tag.hot {
            background: #FFE8E0;
            color: #E0553D;
        }
        .card-tag.new {
            background: #E0F0FF;
            color: #3B7DD8;
        }
        .category-card-lg h3 {
            margin-bottom: 8px;
        }
        .category-card-lg p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 16px;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-size: 0.72rem;
            font-weight: 600;
            margin-top: 6px;
        }
        .stat-badge.up {
            background: #E6FAF0;
            color: #0FA85A;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            max-width: 860px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(3px);
        }
        .news-thumb {
            width: 72px;
            height: 56px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info h4 {
            font-size: 0.98rem;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-info h4 a {
            color: var(--text-strong);
        }
        .news-info h4 a:hover {
            color: var(--primary-dark);
        }
        .news-meta {
            display: flex;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .news-meta .news-cat {
            color: var(--primary-dark);
            font-weight: 500;
        }
        .news-empty {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
        }

        /* ========== PROCESS / STEPS ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
            transition: all var(--transition-normal);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            box-shadow: 0 4px 14px rgba(242,153,74,0.35);
        }
        .step-card h4 {
            margin-bottom: 6px;
            font-size: 1rem;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-strong);
            user-select: none;
        }
        .faq-q::after {
            content: '+';
            font-size: 1.3rem;
            color: var(--primary);
            font-weight: 700;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-q::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-a {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            display: none;
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(150deg, #2d2848 0%, #3d3468 50%, #4a3d78 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242,153,74,0.2) 0%, transparent 70%);
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-content h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: rgba(255,255,255,0.75);
            margin-bottom: 28px;
            font-size: 1rem;
        }
        .cta-content .btn {
            font-size: 1.05rem;
            padding: 14px 32px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1728;
            color: rgba(255,255,255,0.6);
            padding: 40px 0 24px;
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            margin-bottom: 20px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 8px;
            display: inline-block;
        }
        .footer-brand .logo-text span {
            color: var(--accent);
        }
        .footer-brand p {
            margin-top: 6px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.5);
            font-size: 0.84rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
            }
            .category-card-lg .card-img {
                width: 100%;
                min-height: 200px;
            }
            .category-card-lg {
                flex-direction: column;
            }
            .hot-tags {
                display: none;
            }
            .nav-search {
                width: 140px;
            }
            .nav-search:focus {
                width: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links,
            .nav-search-wrap,
            .hot-tags {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-drawer {
                display: block;
            }
            .hero-section {
                min-height: 440px;
            }
            .hero-content {
                padding: 40px 0;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-num {
                font-size: 1.8rem;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .container {
                padding: 0 16px;
            }
            .category-card-lg .card-img {
                min-height: 180px;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 18px 10px;
            }
            .stat-num {
                font-size: 1.5rem;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .hero-btns {
                flex-direction: column;
            }
            .hero-btns .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                gap: 14px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .faq-q {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-a {
                padding: 0 16px 14px;
                font-size: 0.84rem;
            }
        }

        @keyframes floatUp {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        .float-anim {
            animation: floatUp 4s ease-in-out infinite;
        }

/* roulang page: article */
:root {
            --bg-primary: #0a0a14;
            --bg-secondary: #111122;
            --bg-card: rgba(18, 18, 40, 0.92);
            --bg-card-hover: rgba(24, 24, 52, 0.95);
            --bg-glass: rgba(16, 16, 36, 0.78);
            --accent: #f0a500;
            --accent-glow: #ff7b2c;
            --accent-soft: #ffb84d;
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c0;
            --text-muted: #7a7a96;
            --border-subtle: rgba(255, 255, 255, 0.07);
            --border-glow: rgba(240, 165, 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 40px rgba(240, 165, 0, 0.12);
            --shadow-elevated: 0 12px 48px rgba(0, 0, 0, 0.55);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 64px;
            --container-max: 1200px;
            --content-max: 780px;
            --sidebar-width: 340px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            background-image:
                radial-gradient(ellipse at 30% 15%, rgba(240, 165, 0, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(255, 123, 44, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 50%, rgba(120, 100, 200, 0.02) 0%, transparent 70%);
            background-attachment: fixed;
        }

        a {
            color: var(--accent-soft);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-glow);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: inherit;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 22, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(8, 8, 20, 0.94);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(240, 165, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }
        .logo-link:hover {
            color: var(--accent-soft);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: #0a0a14;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(240, 165, 0, 0.3);
        }
        .logo-text-highlight {
            color: var(--accent-soft);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent-soft);
            background: rgba(240, 165, 0, 0.08);
        }
        .nav-links a.active {
            color: var(--accent);
            background: rgba(240, 165, 0, 0.12);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 3px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }
        .nav-search-trigger {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            font-size: 1rem;
            transition: all var(--transition-fast);
            border: 1px solid var(--border-subtle);
            margin-left: 4px;
        }
        .nav-search-trigger:hover {
            background: rgba(240, 165, 0, 0.12);
            color: var(--accent-soft);
            border-color: var(--border-glow);
        }
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
            z-index: 1001;
        }
        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--text-primary);
            transition: all var(--transition-smooth);
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile Nav */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .mobile-nav-overlay.show {
            display: block;
            opacity: 1;
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: rgba(14, 14, 30, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            padding: 16px 24px 24px;
            border-bottom: 1px solid var(--border-subtle);
            transform: translateY(-12px);
            opacity: 0;
            transition: all var(--transition-smooth);
            flex-direction: column;
            gap: 6px;
        }
        .mobile-nav-panel.show {
            display: flex;
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 1rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--accent);
            background: rgba(240, 165, 0, 0.1);
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            background: var(--bg-secondary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 10, 22, 0.95) 0%, rgba(10, 10, 22, 0.5) 50%, rgba(10, 10, 22, 0.3) 100%);
            z-index: 1;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
            z-index: 2;
        }
        .banner-content {
            position: relative;
            z-index: 3;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 40px 24px 32px;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .banner-breadcrumb a {
            color: var(--text-secondary);
        }
        .banner-breadcrumb a:hover {
            color: var(--accent-soft);
        }
        .banner-breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .banner-category-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(240, 165, 0, 0.18);
            color: var(--accent-soft);
            border: 1px solid var(--border-glow);
            margin-bottom: 12px;
            letter-spacing: 0.4px;
        }
        .banner-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.3;
            max-width: 900px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
        }
        .banner-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            font-size: 0.88rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== MAIN LAYOUT ========== */
        .article-main {
            padding: 40px 0 60px;
        }
        .article-layout {
            display: flex;
            gap: 40px;
            align-items: flex-start;
        }
        .article-content-area {
            flex: 1;
            min-width: 0;
            max-width: var(--content-max);
        }
        .article-sidebar {
            width: var(--sidebar-width);
            flex-shrink: 0;
            position: sticky;
            top: calc(var(--header-height) + 24px);
            max-height: calc(100vh - var(--header-height) - 48px);
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.1) transparent;
        }
        .article-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .article-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            line-height: 1.85;
        }
        .article-body-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 32px 0 16px;
            color: #ffffff;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-glow);
            display: inline-block;
        }
        .article-body-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 12px;
            color: var(--accent-soft);
        }
        .article-body-card p {
            margin-bottom: 16px;
            color: var(--text-secondary);
            font-size: 1rem;
        }
        .article-body-card ul,
        .article-body-card ol {
            margin: 12px 0 20px 20px;
            color: var(--text-secondary);
        }
        .article-body-card li {
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .article-body-card blockquote {
            margin: 20px 0;
            padding: 16px 20px;
            border-left: 4px solid var(--accent);
            background: rgba(240, 165, 0, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: italic;
        }
        .article-body-card img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body-card code {
            background: rgba(255, 255, 255, 0.06);
            padding: 2px 8px;
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 0.9em;
        }
        .article-body-card strong {
            color: #f0f0f8;
            font-weight: 700;
        }
        .article-featured-image {
            border-radius: var(--radius-md);
            margin-bottom: 28px;
            box-shadow: var(--shadow-elevated);
            width: 100%;
            object-fit: cover;
            max-height: 480px;
        }

        /* ========== ARTICLE NOT FOUND ========== */
        .not-found-block {
            text-align: center;
            padding: 60px 40px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }
        .not-found-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            opacity: 0.7;
        }
        .not-found-block h2 {
            font-size: 1.6rem;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .not-found-block p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-block .btn-back {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 25px;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            color: #0a0a14;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(240, 165, 0, 0.3);
        }
        .not-found-block .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240, 165, 0, 0.45);
            color: #0a0a14;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4::before {
            content: '';
            width: 4px;
            height: 18px;
            border-radius: 2px;
            background: var(--accent);
        }
        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .sidebar-post-item:last-child {
            border-bottom: none;
        }
        .sidebar-post-item:hover {
            padding-left: 4px;
        }
        .sidebar-post-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-secondary);
        }
        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-post-info a {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-post-info a:hover {
            color: var(--accent-soft);
        }
        .sidebar-post-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .sidebar-tag:hover {
            background: rgba(240, 165, 0, 0.12);
            color: var(--accent-soft);
            border-color: var(--border-glow);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            margin-top: 48px;
        }
        .related-section h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section h3::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border-subtle);
            margin-left: 8px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-elevated);
            border-color: var(--border-glow);
        }
        .related-card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--bg-secondary);
        }
        .related-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .related-card-body h4 a {
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body h4 a:hover {
            color: var(--accent-soft);
        }
        .related-card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: auto;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            margin-top: 56px;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            position: relative;
        }
        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }
        .btn-cta {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 28px;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            color: #0a0a14;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.35);
            position: relative;
            letter-spacing: 0.3px;
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(240, 165, 0, 0.5);
            color: #0a0a14;
        }

        /* ========== COMMENT-STYLE AREA ========== */
        .comment-preview-area {
            margin-top: 40px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }
        .comment-preview-area h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 20px;
        }
        .comment-preview-item {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .comment-preview-item:last-child {
            border-bottom: none;
        }
        .comment-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #0a0a14;
            font-size: 0.9rem;
        }
        .comment-content {
            flex: 1;
        }
        .comment-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .comment-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 4px;
            line-height: 1.5;
        }
        .comment-time {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 10px;
        }
        .footer-brand .logo-text span {
            color: var(--accent-soft);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-soft);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 10px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-layout {
                flex-direction: column;
                gap: 32px;
            }
            .article-content-area {
                max-width: 100%;
            }
            .article-sidebar {
                width: 100%;
                position: static;
                max-height: none;
                overflow-y: visible;
            }
            .sidebar-card {
                margin-bottom: 16px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .banner-title {
                font-size: 1.7rem;
            }
            .article-banner {
                min-height: 240px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-search-trigger {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .article-banner {
                min-height: 200px;
            }
            .banner-title {
                font-size: 1.4rem;
            }
            .article-body-card {
                padding: 24px 20px;
            }
            .article-body-card h2 {
                font-size: 1.3rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h3 {
                font-size: 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .banner-content {
                padding: 28px 16px 20px;
            }
            .banner-breadcrumb {
                font-size: 0.78rem;
            }
            .header-inner {
                padding: 0 16px;
            }
            .logo-link {
                font-size: 1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .banner-title {
                font-size: 1.2rem;
            }
            .article-body-card {
                padding: 18px 14px;
                font-size: 0.92rem;
            }
            .article-body-card h2 {
                font-size: 1.15rem;
            }
            .article-body-card h3 {
                font-size: 1rem;
            }
            .related-card-image {
                height: 140px;
            }
            .related-card-body {
                padding: 14px 16px;
            }
            .comment-preview-area {
                padding: 20px 16px;
            }
            .sidebar-card {
                padding: 18px 14px;
            }
            .banner-meta {
                font-size: 0.78rem;
                gap: 10px;
            }
            .banner-category-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #6d5dfc;
            --primary-dark: #5a4bd6;
            --primary-light: #8b7dff;
            --primary-glow: rgba(109, 93, 252, 0.25);
            --accent: #f0a500;
            --accent-light: #ffc940;
            --accent-glow: rgba(240, 165, 0, 0.2);
            --bg: #f5f3ff;
            --bg-alt: #ede9fe;
            --surface: #ffffff;
            --surface-card: #ffffff;
            --text: #1e1b4b;
            --text-secondary: #6b668c;
            --text-muted: #9d98b8;
            --border: #e2def0;
            --border-light: #f0edf8;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(109, 93, 252, 0.06);
            --shadow: 0 4px 20px rgba(109, 93, 252, 0.08);
            --shadow-lg: 0 12px 40px rgba(109, 93, 252, 0.12);
            --shadow-xl: 0 20px 60px rgba(109, 93, 252, 0.15);
            --shadow-accent: 0 4px 16px rgba(240, 165, 0, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 68px;
            --container-max: 1280px;
            --section-gap: 80px;
            --card-gap: 24px;
            --nav-bg: rgba(255, 255, 255, 0.92);
            --nav-blur: blur(18px);
        }

        /* ============ Reset & Base ============ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ============ Header & Navigation ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--nav-bg);
            backdrop-filter: var(--nav-blur);
            -webkit-backdrop-filter: var(--nav-blur);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 8px rgba(109, 93, 252, 0.04);
            height: var(--header-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            box-shadow: 0 4px 12px var(--primary-glow);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--bg-alt);
        }
        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            box-shadow: 0 4px 14px var(--primary-glow);
        }
        .nav-search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--surface);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition);
            margin-left: 8px;
            flex-shrink: 0;
        }
        .nav-search-btn:hover {
            color: var(--primary);
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px var(--primary-glow);
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ============ Category Hero ============ */
        .category-hero {
            position: relative;
            padding: 70px 0 60px;
            background: linear-gradient(170deg, #ede9fe 0%, #f5f3ff 30%, #fdfbff 70%);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -180px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            opacity: 0.6;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            opacity: 0.4;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
        }
        .category-hero-content {
            flex: 1;
        }
        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 20px;
            background: var(--primary-glow);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .category-hero h1 {
            font-size: clamp(28px, 4.5vw, 46px);
            font-weight: 900;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .category-hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }
        .category-hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 28px;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 32px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .category-hero-img {
            flex-shrink: 0;
            width: 260px;
            height: 260px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
            display: none;
        }
        .category-hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (min-width: 769px) {
            .category-hero-img {
                display: block;
            }
        }

        /* ============ Section通用 ============ */
        .section {
            padding: 60px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 15px;
        }
        .section-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 36px;
        }
        .section-tag-row .tag-filter {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: 1.5px solid var(--border);
            background: var(--surface);
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .section-tag-row .tag-filter:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: var(--bg-alt);
        }
        .section-tag-row .tag-filter.active-tag {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 12px var(--primary-glow);
        }

        /* ============ 文章卡片网格 ============ */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .article-card {
            background: var(--surface-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
            position: relative;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .article-card-thumb {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .article-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .article-card:hover .article-card-thumb img {
            transform: scale(1.06);
        }
        .article-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 11px;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
            letter-spacing: 0.4px;
        }
        .article-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .article-card-tags span {
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 12px;
            background: var(--bg-alt);
            color: var(--primary-dark);
            font-weight: 600;
        }
        .article-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.45;
        }
        .article-card h3 a {
            color: inherit;
        }
        .article-card h3 a:hover {
            color: var(--primary);
        }
        .article-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .article-card-meta i {
            margin-right: 3px;
        }

        /* ============ 热门排行板块 ============ */
        .hot-rank-section {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .hot-rank-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hot-rank-header h3 {
            font-size: 22px;
            font-weight: 800;
        }
        .hot-rank-icon {
            font-size: 24px;
        }
        .hot-rank-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .hot-rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: var(--radius);
            background: var(--bg);
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .hot-rank-item:hover {
            background: var(--bg-alt);
            border-color: var(--border);
            transform: translateX(4px);
        }
        .hot-rank-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 15px;
            flex-shrink: 0;
            background: var(--bg-alt);
            color: var(--text-muted);
        }
        .hot-rank-item:nth-child(1) .hot-rank-num,
        .hot-rank-item:nth-child(2) .hot-rank-num,
        .hot-rank-item:nth-child(3) .hot-rank-num {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .hot-rank-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
        }
        .hot-rank-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ============ FAQ板块 ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 14px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* ============ CTA板块 ============ */
        .cta-section {
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 0 28px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: clamp(24px, 3.5vw, 32px);
            font-weight: 900;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 30px;
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 16px;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            box-shadow: 0 8px 28px rgba(0,0,0,0.18);
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(0,0,0,0.25);
            background: #fffef9;
        }
        .btn-outline-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 30px;
            border: 2px solid rgba(255,255,255,0.6);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            margin-left: 14px;
        }
        .btn-outline-cta:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #1e1b4b;
            color: #c4c0d8;
            padding: 52px 0 28px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 10px;
        }
        .footer-brand .logo-text span {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: #c4c0d8;
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: #9d98b8;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-rank-list {
                grid-template-columns: 1fr;
            }
            .category-hero .container {
                flex-direction: column;
                text-align: center;
            }
            .category-hero-desc {
                max-width: 100%;
            }
            .category-hero-stats {
                justify-content: center;
            }
            .category-hero-img {
                width: 200px;
                height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 50px;
                --header-height: 60px;
            }
            .container {
                padding: 0 18px;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--nav-bg);
                backdrop-filter: var(--nav-blur);
                -webkit-backdrop-filter: var(--nav-blur);
                flex-direction: column;
                padding: 16px 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                pointer-events: none;
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                border-radius: var(--radius);
            }
            .nav-search-btn {
                margin-left: auto;
                margin-right: 8px;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .section-tag-row {
                gap: 8px;
            }
            .section-tag-row .tag-filter {
                font-size: 12px;
                padding: 6px 14px;
            }
            .hot-rank-section {
                padding: 24px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section {
                margin: 0 10px;
                padding: 36px 22px;
                border-radius: var(--radius-lg);
            }
            .btn-outline-cta {
                margin-left: 0;
                margin-top: 10px;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .category-hero-stats {
                gap: 18px;
                flex-wrap: wrap;
            }
            .hero-stat-num {
                font-size: 26px;
            }
            .article-card h3 {
                font-size: 15px;
            }
            .hot-rank-item {
                padding: 10px 12px;
                gap: 10px;
            }
            .hot-rank-info h4 {
                font-size: 13px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
        }