/* roulang page: index */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #0D1526;
            --bg-footer: #070A12;
            --accent-blue: #1B6EF3;
            --accent-blue-light: #2E8BFF;
            --accent-cyan: #00D4AA;
            --accent-amber: #F5B544;
            --text-primary: #EDF2F9;
            --text-secondary: #A7B4C9;
            --text-muted: #6B7A90;
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-bg-hover: rgba(255, 255, 255, 0.09);
            --card-border: rgba(255, 255, 255, 0.10);
            --card-border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.40);
            --shadow-glow: 0 0 20px rgba(27, 110, 243, 0.55);
            --shadow-glow-hover: 0 0 32px rgba(27, 110, 243, 0.80);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease;
            --container-max: 1200px;
            --section-gap: 72px;
        }

        *,
        *::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);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

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

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(27, 110, 243, 0.15);
            color: var(--accent-blue-light);
            border: 1px solid rgba(27, 110, 243, 0.25);
            gap: 6px;
            letter-spacing: 0.02em;
        }

        .badge-tag.cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
            border-color: rgba(0, 212, 170, 0.25);
        }

        .badge-tag.amber {
            background: rgba(245, 181, 68, 0.12);
            color: var(--accent-amber);
            border-color: rgba(245, 181, 68, 0.25);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
            border: 1px solid rgba(46, 139, 255, 0.4);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: scale(1.02);
            color: #fff;
            border-color: rgba(46, 139, 255, 0.7);
        }

        .btn-primary:active,
        .btn:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.35);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--card-border-hover);
            color: var(--text-primary);
            box-shadow: 0 0 16px rgba(27, 110, 243, 0.25);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 170, 0.3);
        }

        .btn-cyan:hover {
            background: rgba(0, 212, 170, 0.2);
            border-color: rgba(0, 212, 170, 0.5);
            color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 212, 170, 0.3);
        }

        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
            pointer-events: none;
        }

        .glass-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 26, 0.96);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 44px;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition-base);
        }

        .site-header.scrolled .header-top {
            max-height: 0;
            overflow: hidden;
            padding: 0;
            border-bottom: none;
            opacity: 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .logo:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            position: relative;
        }

        .search-input {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            border-radius: 8px;
            padding: 7px 14px 7px 36px;
            font-size: 13px;
            color: var(--text-primary);
            width: 180px;
            transition: var(--transition-base);
        }

        .search-input::placeholder {
            color: var(--text-muted);
        }

        .search-input:focus {
            border-color: var(--accent-blue-light);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.2);
            width: 220px;
        }

        .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

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

        .hot-tag {
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--card-border);
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .hot-tag:hover {
            background: rgba(27, 110, 243, 0.2);
            border-color: rgba(27, 110, 243, 0.4);
            color: var(--accent-blue-light);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            min-height: 52px;
            transition: var(--transition-base);
        }

        .site-header.scrolled .main-nav {
            min-height: 56px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 2px;
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .main-nav a:hover {
            color: var(--accent-blue-light);
        }

        .main-nav a:hover::after {
            width: 100%;
        }

        .main-nav a.active {
            color: var(--accent-blue-light);
        }

        .main-nav a.active::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: rgba(10, 14, 26, 0.98);
            backdrop-filter: blur(20px);
            z-index: 1001;
            transition: right 0.35s ease;
            padding: 80px 24px 32px;
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-drawer .drawer-nav a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: var(--transition-base);
        }

        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            background: rgba(27, 110, 243, 0.1);
            color: var(--accent-blue-light);
            border-color: rgba(27, 110, 243, 0.2);
        }

        .drawer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 24px;
            cursor: pointer;
        }

        /* Hero */
        .hero {
            padding: 60px 0 48px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 30% 40%, rgba(27, 110, 243, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 60%, rgba(0, 212, 170, 0.06) 0%, transparent 50%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/909ddcbdf59a3881.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
            z-index: 0;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .membership-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: linear-gradient(135deg, rgba(245, 181, 68, 0.15), rgba(245, 181, 68, 0.08));
            border: 1px solid rgba(245, 181, 68, 0.3);
            color: var(--accent-amber);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .membership-badge .diamond {
            font-size: 16px;
        }

        .hero-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 540px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 8px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }

        .trust-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--card-border);
            gap: 5px;
            white-space: nowrap;
        }

        .trust-pill .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            flex-shrink: 0;
        }

        .hero-right {
            position: relative;
        }

        .hero-card-stack {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-data-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            transition: var(--transition-base);
            position: relative;
        }

        .hero-data-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .hero-data-card .data-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-data-card .data-value-row {
            display: flex;
            align-items: baseline;
            gap: 12px;
        }

        .hero-data-card .data-value {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .hero-data-card .data-trend {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .data-trend.up {
            color: var(--accent-cyan);
            background: rgba(0, 212, 170, 0.1);
        }

        .data-trend.down {
            color: var(--accent-amber);
            background: rgba(245, 181, 68, 0.1);
        }

        .hero-data-card .mini-bar {
            display: flex;
            gap: 4px;
            margin-top: 10px;
            align-items: flex-end;
            height: 32px;
        }

        .mini-bar span {
            flex: 1;
            border-radius: 3px;
            background: linear-gradient(180deg, var(--accent-blue) 0%, rgba(27, 110, 243, 0.2) 100%);
            min-height: 4px;
            transition: var(--transition-base);
        }

        .hero-img-placeholder {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 160px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--card-border);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-img-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-img-placeholder .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(0deg, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
            font-size: 13px;
            color: #fff;
            font-weight: 500;
        }

        /* Metrics Board */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            text-align: left;
        }

        .metric-card .metric-name {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .metric-card .metric-value {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .metric-card .metric-trend {
            font-size: 13px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .metric-trend.up {
            color: var(--accent-cyan);
        }

        .metric-trend.down {
            color: var(--accent-amber);
        }

        .metric-card .metric-spark {
            display: flex;
            gap: 3px;
            margin-top: 12px;
            align-items: flex-end;
            height: 28px;
        }

        .metric-spark span {
            flex: 1;
            border-radius: 2px;
            background: rgba(27, 110, 243, 0.35);
            min-height: 3px;
        }

        /* Service Matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            text-align: left;
            padding: 28px;
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(27, 110, 243, 0.12);
            border: 1px solid rgba(27, 110, 243, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            color: var(--accent-blue-light);
            transition: var(--transition-base);
        }

        .service-card:hover .service-icon {
            background: rgba(27, 110, 243, 0.2);
            border-color: rgba(27, 110, 243, 0.45);
            box-shadow: 0 0 20px rgba(27, 110, 243, 0.3);
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Comparison */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .comparison-card {
            padding: 28px;
        }

        .comparison-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .comparison-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .comparison-row:last-child {
            border-bottom: none;
        }

        .comparison-row .val {
            font-family: var(--font-num);
            font-weight: 600;
            color: var(--text-primary);
            font-size: 15px;
        }

        .comparison-row .val.diff-up {
            color: var(--accent-cyan);
        }

        .comparison-row .val.diff-down {
            color: var(--accent-amber);
        }

        /* Timeline */
        .timeline {
            position: relative;
            display: flex;
            flex-direction: row;
            gap: 0;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, rgba(27, 110, 243, 0.3), rgba(0, 212, 170, 0.3));
            transform: translateY(-50%);
        }

        .timeline-item {
            flex: 1;
            position: relative;
            padding: 0 12px;
            text-align: center;
        }

        .timeline-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-blue);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.6);
            margin: 0 auto 12px;
            position: relative;
            z-index: 1;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            background: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 212, 170, 0.6);
        }

        .timeline-year {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .timeline-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* News */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 70px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 18px 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
        }

        .news-item:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-card-hover);
        }

        .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 70px;
            height: 60px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            border: 1px solid var(--card-border);
            transition: var(--transition-base);
        }

        .news-item:hover .news-date {
            background: rgba(27, 110, 243, 0.15);
            border-color: rgba(27, 110, 243, 0.3);
        }

        .news-date .day {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .news-date .month {
            font-size: 12px;
            color: var(--text-secondary);
            text-transform: uppercase;
        }

        .news-content {
            min-width: 0;
        }

        .news-content .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            transition: var(--transition-base);
        }

        .news-item:hover .news-title {
            color: var(--accent-blue-light);
        }

        .news-content .news-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .btn {
            align-self: center;
        }

        /* Security */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .security-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .security-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
        }

        .security-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(0, 212, 170, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 16px;
            flex-shrink: 0;
        }

        .security-card span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
        }

        /* Brand Intro */
        .brand-intro {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 32px;
            align-items: start;
        }

        .brand-intro .brand-label {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            border-left: 3px solid var(--accent-blue);
            padding-left: 14px;
            line-height: 1.4;
        }

        .brand-intro .brand-text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .brand-intro .brand-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 120px;
            margin-top: 20px;
            grid-column: 2;
        }

        .brand-intro .brand-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Quick Answers */
        .quick-answers {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .quick-card {
            padding: 20px;
            text-align: left;
        }

        .quick-card .q {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .quick-card .q .q-icon {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: rgba(27, 110, 243, 0.15);
            color: var(--accent-blue-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .quick-card .a {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 800px;
        }

        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            background: var(--card-bg);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--card-border-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            transition: var(--transition-base);
            user-select: none;
            gap: 12px;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question .faq-q-label {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .faq-q-label .faq-q-icon {
            width: 26px;
            height: 26px;
            border-radius: 6px;
            background: rgba(27, 110, 243, 0.15);
            color: var(--accent-blue-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-arrow {
            font-size: 16px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-blue-light);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px 56px;
        }

        .faq-item.active .faq-question {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* Form */
        .form-card {
            max-width: 680px;
            margin: 0 auto;
            padding: 36px 40px;
            text-align: center;
        }

        .form-card h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .form-card .form-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 14px;
        }

        .form-input {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            border-radius: 10px;
            padding: 11px 16px;
            font-size: 14px;
            color: var(--text-primary);
            min-width: 160px;
            flex: 1;
            transition: var(--transition-base);
        }

        .form-input:focus {
            border-color: var(--accent-blue-light);
            box-shadow: 0 0 0 3px rgba(27, 110, 243, 0.2);
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        .form-select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            border-radius: 10px;
            padding: 11px 16px;
            font-size: 14px;
            color: var(--text-primary);
            min-width: 160px;
            flex: 1;
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23A7B4C9' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .form-select option {
            background: #0D1526;
            color: var(--text-primary);
        }

        .form-submit {
            width: 100%;
            max-width: 300px;
            margin-top: 6px;
        }

        .form-privacy {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 12px;
        }

        .form-success {
            display: none;
            padding: 14px;
            border-radius: 10px;
            background: rgba(0, 212, 170, 0.1);
            border: 1px solid rgba(0, 212, 170, 0.3);
            color: var(--accent-cyan);
            font-size: 14px;
            margin-top: 12px;
        }

        /* Tags Cloud */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--card-border);
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .tag-pill:hover {
            background: var(--accent-blue);
            border-color: var(--accent-blue);
            color: #fff;
            box-shadow: 0 0 16px rgba(27, 110, 243, 0.4);
            transform: translateY(-1px);
        }

        /* Category Entries */
        .category-entries {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            padding: 0;
            overflow: hidden;
            border-radius: var(--radius-md);
        }

        .category-card .cat-img {
            height: 140px;
            overflow: hidden;
            position: relative;
        }

        .category-card .cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .category-card .cat-body {
            padding: 20px;
        }

        .category-card .cat-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .category-card .cat-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        /* Expert Opinions */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .expert-card {
            padding: 24px;
        }

        .expert-card .expert-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .expert-card .expert-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(27, 110, 243, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-blue-light);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .expert-card .expert-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .expert-card .expert-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .expert-card .expert-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .expert-card .expert-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(2, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 260px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--accent-blue-light);
        }

        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--accent-blue-light);
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-right {
                max-width: 520px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-answers {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entries {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --container-max: 100%;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 24px;
            }
            .hero {
                padding: 40px 0 32px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .header-tools {
                display: none;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .comparison-wrap {
                grid-template-columns: 1fr;
            }
            .timeline {
                flex-direction: column;
                gap: 20px;
            }
            .timeline::before {
                top: 0;
                bottom: 0;
                left: 7px;
                right: auto;
                width: 2px;
                height: 100%;
                transform: none;
            }
            .timeline-item {
                text-align: left;
                padding-left: 24px;
            }
            .timeline-dot {
                position: absolute;
                left: 0;
                top: 4px;
                margin: 0;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
            }
            .news-date {
                width: 60px;
                height: 48px;
                flex-direction: row;
                gap: 6px;
            }
            .news-date .day {
                font-size: 18px;
            }
            .news-item .btn {
                justify-self: start;
            }
            .brand-intro {
                grid-template-columns: 1fr;
            }
            .brand-intro .brand-img {
                grid-column: 1;
            }
            .form-card {
                padding: 28px 20px;
            }
            .form-row {
                flex-direction: column;
            }
            .form-input,
            .form-select {
                min-width: 100%;
            }
            .expert-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .quick-answers {
                grid-template-columns: 1fr;
            }
            .category-entries {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-trust {
                gap: 6px;
            }
            .trust-pill {
                font-size: 12px;
                padding: 5px 10px;
            }
            .section-title {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #0D1526;
            --bg-footer: #070A12;
            --accent-blue: #1B6EF3;
            --accent-blue-light: #2E8BFF;
            --accent-cyan: #00D4AA;
            --accent-amber: #F5B544;
            --text-primary: #EDF2F9;
            --text-secondary: #A7B4C9;
            --text-muted: #6B7A90;
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-bg-hover: rgba(255, 255, 255, 0.09);
            --card-border: rgba(255, 255, 255, 0.10);
            --card-border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.40);
            --shadow-glow: 0 0 20px rgba(27, 110, 243, 0.55);
            --shadow-glow-hover: 0 0 32px rgba(27, 110, 243, 0.80);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease;
            --container-max: 1200px;
            --section-gap: 72px;
        }

        * {
            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);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

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

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(27, 110, 243, 0.15);
            color: var(--accent-blue-light);
            border: 1px solid rgba(27, 110, 243, 0.25);
            gap: 6px;
            letter-spacing: 0.02em;
        }

        .badge-tag.cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
            border-color: rgba(0, 212, 170, 0.25);
        }

        .badge-tag.amber {
            background: rgba(245, 181, 68, 0.12);
            color: var(--accent-amber);
            border-color: rgba(245, 181, 68, 0.25);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
            border: 1px solid rgba(46, 139, 255, 0.4);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: scale(1.02);
            color: #fff;
            border-color: rgba(46, 139, 255, 0.7);
        }

        .btn-primary:active,
        .btn:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.35);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--card-border-hover);
            color: var(--text-primary);
            box-shadow: 0 0 16px rgba(27, 110, 243, 0.25);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 212, 170, 0.25);
        }

        .btn-cyan:hover {
            background: rgba(0, 212, 170, 0.20);
            border-color: rgba(0, 212, 170, 0.45);
            box-shadow: 0 0 16px rgba(0, 212, 170, 0.30);
            color: var(--accent-cyan);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-base);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            font-size: 13px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .header-top-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-top-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-top-right .hot-link {
            color: var(--text-secondary);
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .header-top-right .hot-link:hover {
            color: var(--accent-blue-light);
            background: rgba(27, 110, 243, 0.12);
            border-color: rgba(27, 110, 243, 0.25);
        }

        .main-nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            box-shadow: var(--shadow-glow);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: var(--transition-base);
        }

        .main-nav a:hover {
            color: var(--accent-blue-light);
            background: rgba(27, 110, 243, 0.08);
        }

        .main-nav a.active {
            color: var(--accent-blue-light);
            background: rgba(27, 110, 243, 0.10);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-blue-light);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(27, 110, 243, 0.6);
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
        }

        .nav-search input {
            padding: 8px 14px;
            font-size: 13px;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            width: 180px;
            transition: var(--transition-base);
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search input:focus {
            border-color: var(--accent-blue-light);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.25);
            width: 220px;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 14, 26, 0.98);
            z-index: 200;
            padding: 24px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .mobile-menu-close {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 28px;
            cursor: pointer;
            padding: 4px;
        }

        .mobile-menu-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu-nav a {
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-menu-nav a.active {
            color: var(--accent-blue-light);
            background: rgba(27, 110, 243, 0.10);
            border-color: rgba(27, 110, 243, 0.25);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--accent-blue-light);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* Category Hero */
        .cat-hero {
            padding: 32px 0 24px;
            position: relative;
        }

        .cat-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .cat-hero .cat-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        /* Metrics Bar */
        .metrics-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 8px;
        }

        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .metric-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .metric-value {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .metric-value.cyan {
            color: var(--accent-cyan);
        }

        .metric-value.amber {
            color: var(--accent-amber);
        }

        .metric-trend {
            font-size: 12px;
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .metric-trend.up {
            color: var(--accent-cyan);
        }

        .metric-trend.down {
            color: var(--accent-amber);
        }

        /* Main List */
        .list-container {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .list-item {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .list-item:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .list-date {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .list-item:hover .list-date {
            background: var(--accent-blue);
            border-color: var(--accent-blue);
        }

        .list-date .day {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .list-item:hover .list-date .day {
            color: #fff;
        }

        .list-date .month {
            font-size: 10px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .list-item:hover .list-date .month {
            color: rgba(255, 255, 255, 0.8);
        }

        .list-body {
            flex: 1;
            min-width: 0;
        }

        .list-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: var(--transition-base);
        }

        .list-item:hover .list-title {
            color: var(--accent-blue-light);
        }

        .list-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .list-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .list-action {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--card-border);
            border-radius: 999px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .filter-tag:hover {
            color: var(--accent-blue-light);
            background: rgba(27, 110, 243, 0.10);
            border-color: rgba(27, 110, 243, 0.25);
        }

        .filter-tag.active {
            color: #fff;
            background: var(--accent-blue);
            border-color: var(--accent-blue);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.35);
        }

        .filter-search {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-search input {
            padding: 8px 14px;
            font-size: 13px;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            width: 180px;
            transition: var(--transition-base);
        }

        .filter-search input::placeholder {
            color: var(--text-muted);
        }

        .filter-search input:focus {
            border-color: var(--accent-blue-light);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.25);
        }

        /* Related Grid */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .related-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .related-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 18px 20px;
        }

        .related-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .related-card:hover .related-card-title {
            color: var(--accent-blue-light);
        }

        .related-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .related-card-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: var(--transition-base);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: var(--card-border-hover);
        }

        .faq-item.open {
            background: var(--card-bg-hover);
            border-color: rgba(46, 139, 255, 0.35);
            box-shadow: 0 0 20px rgba(27, 110, 243, 0.15);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition-base);
            background: none;
            border: none;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(27, 110, 243, 0.15);
            color: var(--accent-blue-light);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 700;
        }

        .faq-arrow {
            margin-left: auto;
            flex-shrink: 0;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-blue-light);
        }

        .faq-answer {
            padding: 0 22px 20px 64px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA Section */
        .cta-card {
            background: linear-gradient(135deg, rgba(27, 110, 243, 0.15) 0%, rgba(0, 212, 170, 0.06) 100%);
            border: 1px solid rgba(46, 139, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
        }

        .cta-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .cta-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Trust Strip */
        .trust-strip {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .trust-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--card-border);
            border-radius: 999px;
            transition: var(--transition-base);
        }

        .trust-pill:hover {
            color: var(--accent-blue-light);
            border-color: rgba(27, 110, 243, 0.3);
            background: rgba(27, 110, 243, 0.08);
        }

        .trust-pill .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 14px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-blue-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 12px;
        }

        .footer-links a:hover {
            color: var(--accent-blue-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
            }

            .container {
                padding: 0 16px;
            }

            .header-top {
                font-size: 12px;
            }

            .header-top-right .hot-link {
                font-size: 11px;
                padding: 1px 8px;
            }

            .main-nav-wrapper {
                flex-wrap: wrap;
            }

            .main-nav {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .logo {
                font-size: 18px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }

            .cat-hero h1 {
                font-size: 26px;
            }

            .cat-hero .cat-desc {
                font-size: 14px;
            }

            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .metric-card {
                padding: 14px 16px;
            }

            .metric-value {
                font-size: 24px;
            }

            .list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 18px;
            }

            .list-date {
                flex-direction: row;
                width: auto;
                height: auto;
                gap: 6px;
                padding: 6px 12px;
                align-self: flex-start;
            }

            .list-date .day {
                font-size: 16px;
            }

            .list-action {
                align-self: flex-start;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-search {
                margin-left: 0;
                width: 100%;
            }

            .filter-search input {
                width: 100%;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-card {
                padding: 28px 20px;
            }

            .cta-card h3 {
                font-size: 20px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 16px 16px 46px;
                font-size: 13px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .metrics-bar {
                grid-template-columns: 1fr 1fr;
            }

            .section-title {
                font-size: 22px;
            }

            .list-title {
                font-size: 15px;
            }

            .list-excerpt {
                font-size: 13px;
            }

            .related-card-img {
                height: 140px;
            }

            .trust-strip {
                gap: 8px;
            }

            .trust-pill {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #0D1526;
            --bg-footer: #070A12;
            --accent-blue: #1B6EF3;
            --accent-blue-light: #2E8BFF;
            --accent-cyan: #00D4AA;
            --accent-amber: #F5B544;
            --text-primary: #EDF2F9;
            --text-secondary: #A7B4C9;
            --text-muted: #6B7A90;
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-bg-hover: rgba(255, 255, 255, 0.09);
            --card-border: rgba(255, 255, 255, 0.10);
            --card-border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.40);
            --shadow-glow: 0 0 20px rgba(27, 110, 243, 0.55);
            --shadow-glow-hover: 0 0 32px rgba(27, 110, 243, 0.80);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease;
            --container-max: 1200px;
            --section-gap: 56px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

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

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(27, 110, 243, 0.15);
            color: var(--accent-blue-light);
            border: 1px solid rgba(27, 110, 243, 0.25);
            gap: 6px;
            letter-spacing: 0.02em;
        }

        .badge-tag.cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
            border-color: rgba(0, 212, 170, 0.25);
        }

        .badge-tag.amber {
            background: rgba(245, 181, 68, 0.12);
            color: var(--accent-amber);
            border-color: rgba(245, 181, 68, 0.25);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
            border: 1px solid rgba(46, 139, 255, 0.4);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: scale(1.02);
            color: #fff;
            border-color: rgba(46, 139, 255, 0.7);
        }

        .btn-primary:active,
        .btn:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.35);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--card-border-hover);
            color: var(--text-primary);
            box-shadow: 0 0 16px rgba(27, 110, 243, 0.25);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .glass-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .glass-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* 导航样式 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }

        .brand-logo:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 0 16px rgba(27, 110, 243, 0.4);
        }

        .top-tools {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            border-radius: 999px;
            padding: 6px 16px;
            min-width: 200px;
            transition: var(--transition-base);
        }

        .top-search:focus-within {
            border-color: var(--accent-blue);
            box-shadow: 0 0 16px rgba(27, 110, 243, 0.3);
        }

        .top-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            padding: 0;
        }

        .top-search input::placeholder {
            color: var(--text-muted);
        }

        .top-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        .trend-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .trend-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            color: var(--text-secondary);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .trend-tag:hover {
            background: rgba(27, 110, 243, 0.15);
            border-color: rgba(27, 110, 243, 0.3);
            color: var(--accent-blue-light);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            padding: 12px 0;
            flex-wrap: wrap;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .main-nav a:hover {
            color: var(--accent-blue-light);
        }

        .main-nav a:hover::after {
            width: 100%;
        }

        .main-nav a.active {
            color: var(--accent-blue-light);
        }

        .main-nav a.active::after {
            width: 100%;
        }

        .navbar-toggler {
            display: none;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--card-border);
            border-radius: 8px;
            color: var(--text-primary);
            padding: 8px 12px;
            font-size: 18px;
            cursor: pointer;
        }

        /* 面包屑 */
        .breadcrumb-bar {
            padding: 20px 0 0;
        }

        .breadcrumb-bar .breadcrumb {
            margin-bottom: 0;
            --bs-breadcrumb-divider-color: var(--text-muted);
            --bs-breadcrumb-item-active-color: var(--text-secondary);
        }

        .breadcrumb-bar .breadcrumb a {
            color: var(--text-muted);
            font-size: 13px;
        }

        .breadcrumb-bar .breadcrumb a:hover {
            color: var(--accent-blue-light);
        }

        .breadcrumb-bar .breadcrumb .active {
            color: var(--text-secondary);
            font-size: 13px;
        }

        /* 分类页 Hero 区 */
        .category-hero {
            padding: 32px 0 40px;
            position: relative;
        }

        .category-hero .hero-content {
            display: flex;
            align-items: flex-start;
            gap: 48px;
        }

        .category-hero .hero-text {
            flex: 1;
            min-width: 0;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 560px;
            margin-bottom: 20px;
        }

        .category-hero .hero-image {
            flex: 0 0 360px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-card);
        }

        .category-hero .hero-image img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        /* 数据概览条 */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-mini-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: var(--transition-base);
            text-align: center;
        }

        .stat-mini-card:hover {
            border-color: var(--card-border-hover);
            background: var(--card-bg-hover);
        }

        .stat-mini-card .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .stat-mini-card .stat-value {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }

        .stat-mini-card .stat-value.cyan {
            color: var(--accent-cyan);
        }

        .stat-mini-card .stat-value.amber {
            color: var(--accent-amber);
        }

        /* 列表主体 */
        .list-card {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition-base);
            margin-bottom: 14px;
            position: relative;
        }

        .list-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
        }

        .list-date-block {
            flex: 0 0 64px;
            text-align: center;
            padding: 8px 6px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--card-border);
        }

        .list-date-block .date-day {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.1;
        }

        .list-date-block .date-month {
            font-size: 11px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .list-card .list-thumb {
            flex: 0 0 72px;
            width: 72px;
            height: 54px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--card-border);
        }

        .list-card .list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .list-card .list-body {
            flex: 1;
            min-width: 0;
        }

        .list-card .list-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            transition: var(--transition-base);
        }

        .list-card:hover .list-title {
            color: var(--accent-blue-light);
        }

        .list-card .list-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-card .btn-read {
            flex: 0 0 auto;
        }

        /* 快速筛选 */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            flex-wrap: wrap;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .filter-bar .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--card-border);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-tag:hover {
            background: rgba(27, 110, 243, 0.15);
            border-color: rgba(27, 110, 243, 0.3);
            color: var(--accent-blue-light);
        }

        .filter-tag.active {
            background: rgba(27, 110, 243, 0.2);
            border-color: rgba(27, 110, 243, 0.4);
            color: var(--accent-blue-light);
        }

        /* 相关资讯卡片 */
        .info-mini-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 20px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: var(--transition-base);
            height: 100%;
        }

        .info-mini-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .info-mini-card .info-thumb {
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .info-mini-card .info-thumb img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }

        .info-mini-card .info-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .info-mini-card .info-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ 手风琴 */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--card-border-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-question .faq-q-text {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-question .faq-q-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 6px;
            background: rgba(27, 110, 243, 0.18);
            color: var(--accent-blue-light);
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-question .faq-arrow {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-blue-light);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px 58px;
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: -2px;
        }

        /* CTA 区 */
        .cta-card {
            background: linear-gradient(135deg, rgba(27, 110, 243, 0.15) 0%, rgba(0, 212, 170, 0.08) 100%);
            border: 1px solid rgba(27, 110, 243, 0.25);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .cta-card p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        /* 保障条 */
        .trust-strip {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .trust-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--card-border);
            transition: var(--transition-base);
        }

        .trust-pill i {
            color: var(--accent-cyan);
            font-size: 12px;
        }

        .trust-pill:hover {
            border-color: var(--card-border-hover);
            color: var(--text-primary);
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-footer);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-brand .logo:hover {
            color: var(--text-primary);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-blue-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-links a:hover {
            color: var(--accent-blue-light);
        }

        .footer-links span {
            color: var(--text-muted);
        }

        /* 移动端导航 */
        .mobile-menu {
            display: none;
            background: rgba(10, 14, 26, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 24px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 0;
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-weight: 500;
        }

        .mobile-menu a.active {
            color: var(--accent-blue-light);
        }

        .mobile-menu .mobile-search {
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--card-border);
            border-radius: 8px;
            padding: 8px 14px;
        }

        .mobile-menu .mobile-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
        }

        .mobile-menu .mobile-search input::placeholder {
            color: var(--text-muted);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .category-hero .hero-content {
                flex-direction: column;
                gap: 24px;
            }

            .category-hero .hero-image {
                flex: 0 0 auto;
                width: 100%;
            }

            .category-hero .hero-image img {
                height: 180px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
            }

            .top-bar {
                padding: 8px 0;
            }

            .top-tools {
                gap: 8px;
            }

            .top-search {
                display: none;
            }

            .trend-tags {
                display: none;
            }

            .main-nav {
                display: none;
            }

            .navbar-toggler {
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 6px;
                font-size: 14px;
            }

            .mobile-menu.show {
                display: block;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-desc {
                font-size: 14px;
            }

            .section-title {
                font-size: 24px;
            }

            .list-card {
                flex-wrap: wrap;
                padding: 16px 18px;
                gap: 14px;
            }

            .list-date-block {
                flex: 0 0 52px;
                padding: 6px 4px;
            }

            .list-date-block .date-day {
                font-size: 18px;
            }

            .list-card .list-thumb {
                flex: 0 0 56px;
                width: 56px;
                height: 42px;
            }

            .list-card .list-body {
                flex: 1 1 100%;
                order: 3;
            }

            .list-card .btn-read {
                flex: 0 0 auto;
                order: 2;
                margin-left: auto;
            }

            .filter-bar {
                gap: 8px;
                padding: 12px 16px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 12px;
            }

            .faq-answer {
                font-size: 14px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 14px 16px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .cta-card {
                padding: 28px 20px;
            }

            .cta-card h3 {
                font-size: 20px;
            }

            .trust-strip {
                gap: 10px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .stat-mini-card {
                padding: 14px 12px;
            }

            .stat-mini-card .stat-value {
                font-size: 22px;
            }
        }

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

            .category-hero {
                padding: 24px 0 28px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .season-league .hero-content {
                gap: 16px;
            }

            .list-card {
                padding: 14px;
            }

            .list-card .btn-read {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #0D1526;
            --bg-footer: #070A12;
            --accent-blue: #1B6EF3;
            --accent-blue-light: #2E8BFF;
            --accent-cyan: #00D4AA;
            --accent-amber: #F5B544;
            --text-primary: #EDF2F9;
            --text-secondary: #A7B4C9;
            --text-muted: #6B7A90;
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-bg-hover: rgba(255, 255, 255, 0.09);
            --card-border: rgba(255, 255, 255, 0.10);
            --card-border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.40);
            --shadow-glow: 0 0 20px rgba(27, 110, 243, 0.55);
            --shadow-glow-hover: 0 0 32px rgba(27, 110, 243, 0.80);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease;
            --container-max: 1200px;
            --section-gap: 48px;
        }

        *,
        *::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);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul {
            list-style: none;
        }

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

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-title {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 720px;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(27, 110, 243, 0.15);
            color: var(--accent-blue-light);
            border: 1px solid rgba(27, 110, 243, 0.25);
            gap: 6px;
            letter-spacing: 0.02em;
        }

        .badge-tag.cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
            border-color: rgba(0, 212, 170, 0.25);
        }

        .badge-tag.amber {
            background: rgba(245, 181, 68, 0.12);
            color: var(--accent-amber);
            border-color: rgba(245, 181, 68, 0.25);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
            border: 1px solid rgba(46, 139, 255, 0.4);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: scale(1.02);
            color: #fff;
            border-color: rgba(46, 139, 255, 0.7);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.35);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--card-border-hover);
            color: var(--text-primary);
            box-shadow: 0 0 16px rgba(27, 110, 243, 0.25);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .glass-card:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            background: var(--card-bg-hover);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 26, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            min-height: 44px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }

        .logo:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            box-shadow: var(--shadow-glow);
        }

        .brand-tools {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-time {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-num);
            letter-spacing: 0.04em;
        }

        .search-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
            font-size: 15px;
            transition: var(--transition-base);
        }

        .search-toggle:hover {
            background: rgba(27, 110, 243, 0.15);
            border-color: rgba(27, 110, 243, 0.3);
            color: var(--accent-blue-light);
        }

        .search-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(13, 21, 38, 0.98);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 14px 24px;
            z-index: 999;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .search-panel.active {
            display: block;
        }

        .search-panel .search-input-wrap {
            max-width: 560px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
        }

        .search-panel input {
            flex: 1;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 14px;
        }

        .search-panel input::placeholder {
            color: var(--text-muted);
        }

        .search-panel input:focus {
            outline: none;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            padding: 6px 0;
            min-height: 46px;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-blue-light);
            border-radius: 1px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.25s ease;
        }

        .main-nav a:hover {
            color: var(--accent-blue-light);
            background: rgba(27, 110, 243, 0.06);
        }

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

        .main-nav a.active {
            color: var(--accent-blue-light);
            font-weight: 600;
            background: rgba(27, 110, 243, 0.08);
        }

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

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .hot-tags .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .hot-tags .tag:hover {
            background: rgba(27, 110, 243, 0.15);
            border-color: rgba(27, 110, 243, 0.3);
            color: var(--accent-blue-light);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            gap: 4px;
            transition: var(--transition-base);
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: var(--transition-base);
        }

        .hamburger:hover {
            background: rgba(27, 110, 243, 0.15);
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: rgba(13, 21, 38, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-left: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 2000;
            transition: right 0.3s ease;
            padding: 20px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .mobile-drawer .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-secondary);
        }

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer nav a {
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 15px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .mobile-drawer nav a:hover,
        .mobile-drawer nav a.active {
            background: rgba(27, 110, 243, 0.1);
            color: var(--accent-blue-light);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.active {
            display: block;
            opacity: 1;
        }

        /* Breadcrumb */
        .breadcrumb-area {
            padding: 28px 0 0;
            position: relative;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--accent-blue-light);
        }

        .breadcrumb .sep {
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: var(--accent-blue-light);
            font-weight: 500;
        }

        /* Page Hero */
        .page-hero {
            padding: 32px 0 40px;
            position: relative;
            background:
                radial-gradient(ellipse at top right, rgba(27, 110, 243, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at bottom left, rgba(0, 212, 170, 0.06) 0%, transparent 45%);
        }

        .page-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .page-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 600px;
        }

        /* Data Overview */
        .overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .overview-card {
            padding: 20px 16px;
            text-align: center;
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .overview-card:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .overview-card .label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .overview-card .value {
            font-size: 30px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--text-primary);
            line-height: 1.2;
        }

        .overview-card .trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            margin-top: 8px;
            font-weight: 500;
        }

        .trend.up {
            color: var(--accent-cyan);
        }

        .trend.down {
            color: var(--accent-amber);
        }

        /* List Cards Body */
        .data-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .data-list-item {
            display: flex;
            align-items: stretch;
            gap: 16px;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .data-list-item:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            background: var(--card-bg-hover);
        }

        .data-list-item .date-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 56px;
            height: 56px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .data-list-item .date-block .month {
            font-size: 11px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 500;
        }

        .data-list-item .date-block .day {
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--text-primary);
            line-height: 1.1;
        }

        .data-list-item .item-content {
            flex: 1;
            min-width: 0;
        }

        .data-list-item .item-content h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 6px;
            transition: var(--transition-base);
        }

        .data-list-item:hover .item-content h3 {
            color: var(--accent-blue-light);
        }

        .data-list-item .item-content .summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .data-list-item .item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .data-list-item .item-meta .meta-tag {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .meta-tag.blue {
            background: rgba(27, 110, 243, 0.12);
            color: var(--accent-blue-light);
        }

        .meta-tag.cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
        }

        .meta-tag.amber {
            background: rgba(245, 181, 68, 0.12);
            color: var(--accent-amber);
        }

        .data-list-item .item-arrow {
            align-self: center;
            flex-shrink: 0;
        }

        .data-list-item .item-arrow .btn {
            padding: 8px 16px;
            font-size: 13px;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .filter-bar .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            flex-shrink: 0;
        }

        .filter-bar .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-bar .filter-tag:hover,
        .filter-bar .filter-tag.active {
            background: rgba(27, 110, 243, 0.15);
            border-color: rgba(27, 110, 243, 0.3);
            color: var(--accent-blue-light);
        }

        .filter-bar .filter-search {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            margin-left: auto;
            flex-shrink: 0;
        }

        .filter-bar .filter-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            min-width: 120px;
        }

        .filter-bar .filter-search input::placeholder {
            color: var(--text-muted);
        }

        /* Related News */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .related-card {
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .related-card:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .related-card .thumb {
            width: 100%;
            height: 140px;
            object-fit: cover;
            display: block;
        }

        .related-card .card-body {
            padding: 16px 18px;
        }

        .related-card h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 8px;
            transition: var(--transition-base);
        }

        .related-card:hover h4 {
            color: var(--accent-blue-light);
        }

        .related-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .related-card .card-date {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-num);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item.active {
            border-color: rgba(27, 110, 243, 0.3);
            background: rgba(27, 110, 243, 0.04);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            transition: var(--transition-base);
            user-select: none;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: rgba(27, 110, 243, 0.12);
            color: var(--accent-blue-light);
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-question h3 {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .faq-question .faq-arrow {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-blue-light);
        }

        .faq-answer {
            display: none;
            padding: 0 20px 18px 60px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-card {
            text-align: center;
            padding: 48px 32px;
            border-radius: var(--radius-lg);
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(27, 110, 243, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-card h3 {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-card .btn {
            position: relative;
            z-index: 1;
        }

        /* Trust Strip */
        .trust-strip {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 0 16px;
        }

        .trust-strip .trust-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .trust-strip .trust-item:hover {
            background: rgba(0, 212, 170, 0.08);
            border-color: rgba(0, 212, 170, 0.2);
            color: var(--accent-cyan);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--accent-blue-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
        }

        .footer-links a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--accent-blue-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .hot-tags {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
            }

            .brand-row {
                min-height: 40px;
            }

            .brand-time {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .main-nav {
                display: none;
            }

            .mobile-drawer {
                display: block;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .overview-card .value {
                font-size: 24px;
            }

            .data-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }

            .data-list-item .date-block {
                flex-direction: row;
                gap: 8px;
                min-width: auto;
                height: auto;
                padding: 8px 12px;
                align-self: flex-start;
            }

            .data-list-item .item-arrow {
                align-self: flex-end;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-bar .filter-search {
                margin-left: 0;
                width: 100%;
            }

            .filter-bar .filter-search input {
                flex: 1;
            }

            .faq-answer {
                padding-left: 20px;
            }

            .faq-question {
                padding: 14px 16px;
            }

            .cta-card {
                padding: 32px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .trust-strip {
                justify-content: flex-start;
            }
        }

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

            .overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .overview-card {
                padding: 14px 10px;
            }

            .overview-card .value {
                font-size: 20px;
            }

            .section-title {
                font-size: 22px;
            }

            .breadcrumb {
                font-size: 12px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

            .data-list-item .item-content h3 {
                font-size: 14px;
            }

            .data-list-item .item-content .summary {
                font-size: 13px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #0D1526;
            --bg-footer: #070A12;
            --accent-blue: #1B6EF3;
            --accent-blue-light: #2E8BFF;
            --accent-cyan: #00D4AA;
            --accent-amber: #F5B544;
            --text-primary: #EDF2F9;
            --text-secondary: #A7B4C9;
            --text-muted: #6B7A90;
            --card-bg: rgba(255,255,255,0.05);
            --card-bg-hover: rgba(255,255,255,0.09);
            --card-border: rgba(255,255,255,0.10);
            --card-border-hover: rgba(255,255,255,0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.28);
            --shadow-card-hover: 0 12px 40px rgba(0,0,0,0.40);
            --shadow-glow: 0 0 20px rgba(27,110,243,0.55);
            --shadow-glow-hover: 0 0 32px rgba(27,110,243,0.80);
            --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
            --font-num: "JetBrains Mono","SF Mono","Consolas",monospace;
            --transition-base: all 0.25s ease;
            --container-max: 1200px;
            --section-gap: 64px;
            --nav-height: 64px;
            --brand-height: 42px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            background-image: radial-gradient(circle at 30% 20%, rgba(27,110,243,0.12), transparent 40%),
                              radial-gradient(circle at 80% 70%, rgba(0,212,170,0.06), transparent 45%),
                              radial-gradient(circle at 60% 40%, rgba(245,181,68,0.04), transparent 30%);
            min-height: 100vh;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background-image: url('/assets/images/909ddcbdf59a3881.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 28px);
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 740px;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(27,110,243,0.14);
            color: var(--accent-blue-light);
            border: 1px solid rgba(27,110,243,0.25);
            gap: 6px;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .badge-tag.cyan {
            background: rgba(0,212,170,0.12);
            color: var(--accent-cyan);
            border-color: rgba(0,212,170,0.25);
        }

        .badge-tag.amber {
            background: rgba(245,181,68,0.12);
            color: var(--accent-amber);
            border-color: rgba(245,181,68,0.25);
        }

        .badge-tag:hover {
            background: rgba(27,110,243,0.28);
            border-color: rgba(27,110,243,0.5);
            color: #fff;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
            border: 1px solid transparent;
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
            border-color: rgba(46,139,255,0.4);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: scale(1.02);
            color: #fff;
            border-color: rgba(46,139,255,0.7);
        }

        .btn-primary:active,
        .btn:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 0 12px rgba(27,110,243,0.35);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.08);
            border-color: var(--card-border-hover);
            color: var(--text-primary);
            box-shadow: 0 0 16px rgba(27,110,243,0.25);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-outline-cyan {
            background: rgba(0,212,170,0.08);
            color: var(--accent-cyan);
            border: 1px solid rgba(0,212,170,0.3);
            box-shadow: 0 0 12px rgba(0,212,170,0.15);
        }

        .btn-outline-cyan:hover {
            background: rgba(0,212,170,0.18);
            border-color: rgba(0,212,170,0.55);
            color: #fff;
            box-shadow: 0 0 24px rgba(0,212,170,0.35);
        }

        .btn-outline-cyan:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        /* Header / Nav */
        .top-band {
            background: rgba(7,10,18,0.85);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            padding: 0;
            height: var(--brand-height);
            display: flex;
            align-items: center;
            position: relative;
            z-index: 100;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

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

        .brand-mini {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .brand-mini .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px rgba(0,212,170,0.7);
        }

        .trend-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .trend-tags .badge-tag {
            padding: 2px 10px;
            font-size: 12px;
            background: rgba(255,255,255,0.05);
            border-color: rgba(255,255,255,0.12);
            color: var(--text-secondary);
        }

        .trend-tags .badge-tag:hover {
            background: rgba(27,110,243,0.22);
            color: #fff;
            border-color: rgba(27,110,243,0.45);
        }

        .search-trigger {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-secondary);
            font-size: 13px;
            padding: 4px 10px;
            border-radius: 8px;
            transition: var(--transition-base);
            cursor: pointer;
            background: rgba(255,255,255,0.04);
            border: 1px solid transparent;
        }

        .search-trigger:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.12);
        }

        .search-trigger svg {
            width: 14px;
            height: 14px;
        }

        .main-nav-wrapper {
            position: sticky;
            top: 0;
            z-index: 99;
            background: rgba(10,14,26,0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.07);
            transition: var(--transition-base);
        }

        .main-nav-wrapper.scrolled {
            background: rgba(10,14,26,0.95);
            border-bottom-color: rgba(255,255,255,0.12);
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            box-shadow: 0 0 16px rgba(27,110,243,0.5);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--accent-blue-light);
            transition: var(--transition-base);
            transform: translateX(-50%);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(27,110,243,0.7);
        }

        .nav-links a:hover {
            color: var(--accent-blue-light);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 60%;
        }

        .nav-links a.active {
            color: var(--accent-blue-light);
            background: rgba(27,110,243,0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--card-border);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .nav-search-btn:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.09);
            border-color: var(--card-border-hover);
        }

        .nav-search-btn svg {
            width: 15px;
            height: 15px;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .hamburger-btn span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition-base);
            display: block;
        }

        .hamburger-btn:hover span {
            background: var(--accent-blue-light);
        }

        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: min(82vw, 360px);
            height: 100vh;
            background: var(--bg-secondary);
            z-index: 200;
            padding: 24px;
            flex-direction: column;
            gap: 20px;
            transition: right 0.3s ease;
            border-left: 1px solid var(--card-border);
            box-shadow: -8px 0 40px rgba(0,0,0,0.5);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
            display: flex;
        }

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .mobile-drawer .drawer-close {
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--card-border);
            border-radius: 10px;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .mobile-drawer .drawer-close:hover {
            background: rgba(255,255,255,0.12);
            color: #fff;
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-drawer .drawer-nav a {
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            background: rgba(255,255,255,0.04);
            border: 1px solid transparent;
            transition: var(--transition-base);
        }

        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            background: rgba(27,110,243,0.14);
            border-color: rgba(27,110,243,0.3);
            color: var(--accent-blue-light);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.6);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        /* Hero-like page header for category */
        .page-header {
            padding: 44px 0 28px;
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -120px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(27,110,243,0.18), transparent 65%);
            pointer-events: none;
            z-index: 0;
        }

        .page-header::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 320px;
            height: 300px;
            background: radial-gradient(circle, rgba(0,212,170,0.1), transparent 60%);
            pointer-events: none;
            z-index: 0;
        }

        .page-header .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .breadcrumb-custom a:hover {
            color: var(--accent-blue-light);
        }

        .breadcrumb-custom .separator {
            color: var(--text-muted);
        }

        .breadcrumb-custom .current {
            color: var(--accent-blue-light);
            font-weight: 500;
        }

        .page-header h1 {
            font-size: clamp(26px, 4vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .page-header .page-intro {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        /* Data overview bar */
        .data-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 8px;
        }

        .overview-stat-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .overview-stat-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
        }

        .overview-stat-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .overview-stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .overview-stat-value {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .overview-stat-value .unit {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 4px;
            font-family: var(--font-sans);
        }

        .overview-stat-trend {
            font-size: 12px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .trend-up {
            color: var(--accent-cyan);
        }

        .trend-down {
            color: var(--accent-amber);
        }

        .trend-neutral {
            color: var(--text-muted);
        }

        /* Play list cards */
        .play-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .play-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 22px;
            display: flex;
            gap: 16px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .play-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(27,110,243,0.06), transparent 50%);
            pointer-events: none;
        }

        .play-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .play-card .date-block {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            color: var(--text-primary);
        }

        .play-card .date-block .day {
            font-size: 18px;
            font-weight: 700;
            line-height: 1;
        }

        .play-card .date-block .month {
            font-size: 11px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .play-card .card-body-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .play-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
        }

        .play-card:hover .card-title {
            color: var(--accent-blue-light);
        }

        .play-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
        }

        .play-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .play-card .card-meta .tag-badge {
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(27,110,243,0.12);
            color: var(--accent-blue-light);
            border: 1px solid rgba(27,110,243,0.2);
        }

        /* Filter bar */
        .filter-bar {
            background: rgba(255,255,255,0.03);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            transition: var(--transition-base);
        }

        .filter-bar:hover {
            border-color: var(--card-border-hover);
        }

        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            flex: 1;
        }

        .filter-tags .filter-chip {
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-tags .filter-chip:hover,
        .filter-tags .filter-chip.active {
            background: rgba(27,110,243,0.2);
            color: #fff;
            border-color: rgba(27,110,243,0.5);
            box-shadow: 0 0 12px rgba(27,110,243,0.2);
        }

        .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .filter-search input {
            background: rgba(0,0,0,0.3);
            border: 1px solid var(--card-border);
            border-radius: 10px;
            padding: 8px 12px;
            font-size: 13px;
            color: var(--text-primary);
            width: 180px;
            transition: var(--transition-base);
        }

        .filter-search input::placeholder {
            color: var(--text-muted);
        }

        .filter-search input:focus {
            border-color: var(--accent-blue-light);
            box-shadow: 0 0 0 2px rgba(46,139,255,0.2);
            outline: none;
        }

        .filter-search button {
            padding: 8px 14px;
            border-radius: 8px;
            background: rgba(27,110,243,0.15);
            border: 1px solid rgba(27,110,243,0.3);
            color: var(--accent-blue-light);
            font-size: 13px;
            transition: var(--transition-base);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .filter-search button:hover {
            background: rgba(27,110,243,0.25);
            border-color: rgba(27,110,243,0.5);
            color: #fff;
        }

        /* Related cards */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .related-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--card-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .related-card .card-image {
            height: 170px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .related-card .card-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 50%, rgba(10,14,26,0.7));
        }

        .related-card .card-content {
            padding: 16px 18px 18px;
        }

        .related-card .card-category {
            font-size: 12px;
            color: var(--accent-cyan);
            font-weight: 500;
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .related-card .card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 6px;
            transition: var(--transition-base);
        }

        .related-card:hover .card-title {
            color: var(--accent-blue-light);
        }

        .related-card .card-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-container {
            max-width: 820px;
        }

        .faq-item {
            background: var(--card-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--card-border-hover);
        }

        .faq-item.open {
            background: rgba(255,255,255,0.07);
            border-color: rgba(46,139,255,0.3);
            box-shadow: 0 0 20px rgba(27,110,243,0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 18px;
            cursor: pointer;
            user-select: none;
            transition: var(--transition-base);
        }

        .faq-question:hover {
            background: rgba(255,255,255,0.04);
        }

        .faq-question .faq-q-mark {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(27,110,243,0.2);
            color: var(--accent-blue-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            border: 1px solid rgba(27,110,243,0.3);
        }

        .faq-question .faq-question-text {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: var(--transition-base);
            font-size: 18px;
            display: flex;
            align-items: center;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-blue-light);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 18px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 18px 18px;
        }

        .faq-answer-inner {
            padding-top: 4px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }

        /* CTA Banner */
        .cta-banner {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 200px;
            background: radial-gradient(circle, rgba(27,110,243,0.14), transparent 60%);
            pointer-events: none;
        }

        .cta-banner h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .cta-banner p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn {
            min-width: 180px;
        }

        /* Assurance pills */
        .assurance-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .assurance-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--card-border);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .assurance-pill:hover {
            background: rgba(255,255,255,0.09);
            border-color: var(--card-border-hover);
            color: var(--text-primary);
        }

        .assurance-pill .pill-icon {
            color: var(--accent-cyan);
            font-size: 14px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255,255,255,0.07);
            padding: 48px 0 28px;
            position: relative;
            z-index: 1;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
            font-size: 18px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-blue-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
        }

        .footer-links a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--accent-blue-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
            }
            .data-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --nav-height: 56px;
            }
            .top-band {
                height: 38px;
            }
            .top-band .trend-tags {
                display: none;
            }
            .top-band .search-trigger span {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .nav-actions .nav-search-btn {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .play-list-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-header {
                padding: 32px 0 20px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .overview-stat-value {
                font-size: 24px;
            }
            .cta-banner {
                padding: 28px 20px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .filter-search {
                width: 100%;
            }
            .filter-search input {
                flex: 1;
                width: auto;
            }
            .assurance-row {
                gap: 8px;
            }
            .assurance-pill {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .data-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .overview-stat-card {
                padding: 14px;
            }
            .overview-stat-value {
                font-size: 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .play-card {
                padding: 16px;
                gap: 12px;
            }
            .play-card .date-block {
                width: 44px;
                height: 44px;
            }
            .play-card .date-block .day {
                font-size: 15px;
            }
            .play-card .card-title {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-banner h3 {
                font-size: 19px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #0D1526;
            --bg-footer: #070A12;
            --accent-blue: #1B6EF3;
            --accent-blue-light: #2E8BFF;
            --accent-cyan: #00D4AA;
            --accent-amber: #F5B544;
            --text-primary: #EDF2F9;
            --text-secondary: #A7B4C9;
            --text-muted: #6B7A90;
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-bg-hover: rgba(255, 255, 255, 0.09);
            --card-border: rgba(255, 255, 255, 0.10);
            --card-border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.40);
            --shadow-glow: 0 0 20px rgba(27, 110, 243, 0.55);
            --shadow-glow-hover: 0 0 32px rgba(27, 110, 243, 0.80);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
            --nav-height: 64px;
            --topbar-height: 42px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-blue-light);
        }
        button, input, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }

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

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-header {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 720px;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(27, 110, 243, 0.15);
            color: var(--accent-blue-light);
            border: 1px solid rgba(27, 110, 243, 0.25);
            gap: 6px;
            letter-spacing: 0.02em;
        }
        .badge-tag.cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
            border-color: rgba(0, 212, 170, 0.25);
        }
        .badge-tag.amber {
            background: rgba(245, 181, 68, 0.12);
            color: var(--accent-amber);
            border-color: rgba(245, 181, 68, 0.25);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            position: relative;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent-blue-light);
            outline-offset: 2px;
        }
        .btn:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.35);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
            border-color: rgba(46, 139, 255, 0.4);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: scale(1.02);
            color: #fff;
            border-color: rgba(46, 139, 255, 0.7);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--card-border-hover);
            color: var(--text-primary);
            box-shadow: 0 0 16px rgba(27, 110, 243, 0.25);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-cyan {
            background: rgba(0, 212, 170, 0.12);
            color: var(--accent-cyan);
            border-color: rgba(0, 212, 170, 0.3);
        }
        .btn-cyan:hover {
            background: rgba(0, 212, 170, 0.2);
            border-color: rgba(0, 212, 170, 0.5);
            color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(0, 212, 170, 0.3);
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
        }
        .topbar {
            background: rgba(7, 10, 18, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--accent-blue-light);
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(27, 110, 243, 0.4);
        }
        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hot-tag {
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.1);
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .hot-tag:hover {
            background: rgba(27, 110, 243, 0.2);
            color: var(--accent-blue-light);
            border-color: rgba(27, 110, 243, 0.4);
        }
        .search-toggle {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--card-border);
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
        }
        .search-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--card-border-hover);
            color: var(--accent-blue-light);
        }
        .search-toggle svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .main-nav-wrapper {
            background: rgba(10, 14, 26, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s ease;
        }
        .main-nav-wrapper.scrolled {
            background: rgba(10, 14, 26, 0.95);
            border-bottom-color: rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-height);
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--transition-base);
            letter-spacing: 0.02em;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-blue-light));
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .main-nav a:hover {
            color: var(--accent-blue-light);
        }
        .main-nav a:hover::after {
            width: 60%;
        }
        .main-nav a.active {
            color: var(--accent-blue-light);
            background: rgba(27, 110, 243, 0.1);
        }
        .main-nav a.active::after {
            width: 70%;
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--card-border);
            background: rgba(255, 255, 255, 0.04);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--card-border-hover);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: calc(var(--topbar-height) + var(--nav-height));
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 14, 26, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 16px;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            display: flex;
            align-items: center;
            padding: 14px 16px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition-base);
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--accent-blue-light);
            background: rgba(27, 110, 243, 0.1);
            border-color: rgba(27, 110, 243, 0.3);
        }
        .mobile-drawer .hot-tags {
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .mobile-drawer .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--card-border);
            border-radius: 10px;
            padding: 10px 14px;
        }
        .mobile-drawer .search-box input {
            flex: 1;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 14px;
        }
        .mobile-drawer .search-box input::placeholder {
            color: var(--text-muted);
        }

        /* ===== HERO SLANT ===== */
        .hero-slant {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--bg-secondary);
        }
        .hero-slant-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/909ddcbdf59a3881.webp') center/cover no-repeat;
            filter: brightness(0.4) saturate(0.85);
            z-index: 0;
        }
        .hero-slant-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(10,14,26,0.92) 40%, rgba(13,21,38,0.55) 70%, rgba(10,14,26,0.3) 100%);
            z-index: 1;
        }
        .hero-slant-shape {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, transparent 55%, rgba(27,110,243,0.18) 55%, rgba(27,110,243,0.28) 80%, rgba(0,212,170,0.1) 100%);
            clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-slant-content {
            position: relative;
            z-index: 3;
            padding: 48px 0;
            width: 100%;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .hero-breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .hero-breadcrumb a:hover {
            color: var(--accent-blue-light);
        }
        .hero-breadcrumb .sep {
            color: var(--text-muted);
        }
        .hero-breadcrumb .current {
            color: var(--accent-blue-light);
        }
        .hero-slant h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 20px rgba(0,0,0,0.4);
        }
        .hero-slant .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 24px;
        }
        .hero-slant .btn {
            margin-top: 4px;
        }

        /* ===== GLASS CARDS ===== */
        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
            pointer-events: none;
        }
        .glass-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--card-border-hover);
            background: var(--card-bg-hover);
        }

        /* ===== METRIC STRIP ===== */
        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .metric-item {
            text-align: left;
        }
        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .metric-value {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            margin-top: 6px;
            color: var(--text-muted);
        }
        .metric-trend.up {
            color: var(--accent-cyan);
        }
        .metric-trend.down {
            color: var(--accent-amber);
        }

        /* ===== NEWS LIST ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: flex;
            align-items: stretch;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            padding: 20px 24px;
            transition: var(--transition-base);
            position: relative;
        }
        .news-item:hover {
            border-color: var(--card-border-hover);
            background: var(--card-bg-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
        }
        .news-date-block {
            flex-shrink: 0;
            width: 68px;
            min-height: 68px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 8px 6px;
            transition: var(--transition-base);
        }
        .news-item:hover .news-date-block {
            background: rgba(27,110,243,0.15);
            border-color: rgba(27,110,243,0.35);
        }
        .news-date-day {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }
        .news-date-month {
            font-size: 11px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-top: 2px;
        }
        .news-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text-primary);
            margin-bottom: 8px;
            transition: var(--transition-base);
            letter-spacing: 0.01em;
        }
        .news-item:hover .news-title {
            color: var(--accent-blue-light);
        }
        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .news-action {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }
        .news-action .btn {
            white-space: nowrap;
        }

        /* ===== FILTER BAR ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            padding: 16px 20px;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }
        .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tag {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(255,255,255,0.04);
            color: var(--text-secondary);
            border: 1px solid var(--card-border);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .filter-tag:hover {
            background: rgba(27,110,243,0.15);
            color: var(--accent-blue-light);
            border-color: rgba(27,110,243,0.35);
        }
        .filter-tag.active {
            background: rgba(27,110,243,0.2);
            color: var(--accent-blue-light);
            border-color: rgba(27,110,243,0.4);
        }

        /* ===== RELATED CARDS ===== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            background: var(--card-bg-hover);
        }
        .related-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .related-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .related-img-wrap img {
            transform: scale(1.04);
        }
        .related-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10,14,26,0.75) 100%);
            pointer-events: none;
        }
        .related-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 8px;
            transition: var(--transition-base);
        }
        .related-card:hover .related-title {
            color: var(--accent-blue-light);
        }
        .related-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: auto;
        }
        .related-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-blue-light);
            transition: var(--transition-base);
        }
        .related-link:hover {
            color: var(--accent-cyan);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--card-border-hover);
        }
        .faq-item.open {
            border-color: rgba(27,110,243,0.35);
            background: rgba(27,110,243,0.06);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: var(--transition-base);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            color: var(--accent-blue-light);
        }
        .faq-q-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(27,110,243,0.15);
            color: var(--accent-blue-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            font-family: var(--font-num);
        }
        .faq-arrow {
            flex-shrink: 0;
            margin-left: auto;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-blue-light);
        }
        .faq-arrow svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px 0 62px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 20px 62px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA CARD ===== */
        .cta-card {
            background: linear-gradient(135deg, rgba(27,110,243,0.12), rgba(0,212,170,0.06));
            border: 1px solid rgba(27,110,243,0.25);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            padding: 40px 44px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(27,110,243,0.1), transparent 45%),
                        radial-gradient(circle at 70% 60%, rgba(0,212,170,0.06), transparent 45%);
            pointer-events: none;
        }
        .cta-card h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .cta-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 22px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== TRUST STRIP ===== */
        .trust-strip {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .trust-pill {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(255,255,255,0.04);
            color: var(--text-secondary);
            border: 1px solid var(--card-border);
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .trust-pill:hover {
            background: rgba(27,110,243,0.1);
            border-color: rgba(27,110,243,0.3);
            color: var(--accent-blue-light);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-col li a:hover {
            color: var(--accent-blue-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--accent-blue-light);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1023px) {
            .metric-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .hero-slant h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-gap: 48px;
                --topbar-height: 38px;
                --nav-height: 56px;
            }
            .container {
                padding: 0 16px;
            }
            .section {
                padding: var(--section-gap) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .topbar {
                height: var(--topbar-height);
            }
            .hot-tags {
                display: none;
            }
            .search-toggle {
                width: 32px;
                height: 32px;
            }
            .main-nav-wrapper .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .main-nav-wrapper .d-flex {
                display: flex;
                align-items: center;
                gap: 8px;
            }
            .hero-slant {
                min-height: 320px;
            }
            .hero-slant h1 {
                font-size: 26px;
            }
            .hero-slant .hero-desc {
                font-size: 14px;
            }
            .metric-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .metric-value {
                font-size: 24px;
            }
            .news-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px 18px;
            }
            .news-date-block {
                width: auto;
                min-height: auto;
                flex-direction: row;
                gap: 8px;
                padding: 6px 12px;
                border-radius: 8px;
                align-self: flex-start;
            }
            .news-date-day {
                font-size: 16px;
            }
            .news-action {
                width: 100%;
            }
            .news-action .btn {
                width: 100%;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .filter-bar {
                padding: 12px 16px;
                gap: 8px;
            }
            .cta-card {
                padding: 28px 22px;
            }
            .cta-card h3 {
                font-size: 19px;
            }
            .trust-strip {
                gap: 8px;
            }
            .trust-pill {
                font-size: 12px;
                padding: 4px 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            .hero-slant h1 {
                font-size: 22px;
            }
            .metric-strip {
                grid-template-columns: 1fr 1fr;
            }
            .metric-value {
                font-size: 20px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .news-item {
                padding: 14px 16px;
            }
            .news-title {
                font-size: 15px;
            }
            .news-summary {
                font-size: 13px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
                gap: 10px;
            }
            .faq-answer {
                padding: 0 16px 0 44px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px 44px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}