/* roulang page: index */
:root {
            --bg-primary: #0d1117;
            --bg-card: #161b22;
            --bg-card-hover: #1c2128;
            --bg-input: #0d1117;
            --accent-green: #3ce08a;
            --accent-green-hover: #55e89d;
            --accent-orange: #f59e0b;
            --accent-red: #ef4444;
            --text-primary: #e6edf3;
            --text-secondary: #9da7b3;
            --text-muted: #6b7280;
            --border-color: #2d333b;
            --border-hover: #3ce08a;
            --radius-card: 12px;
            --radius-button: 10px;
            --radius-input: 10px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1200px;
            --header-height: 68px;
            --section-space-desktop: 80px;
            --section-space-mobile: 48px;
            --focus-ring: 0 0 0 3px rgba(60, 224, 138, 0.35);
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        .section {
            padding: var(--section-space-desktop) 0;
        }

        .section-alt {
            background-color: #10151c;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

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

        .section-header.center {
            text-align: center;
        }

        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.25);
            white-space: nowrap;
        }

        .badge-orange {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-orange);
            border-color: rgba(245, 158, 11, 0.25);
        }

        .badge-red {
            background: rgba(239, 68, 68, 0.12);
            color: var(--accent-red);
            border-color: rgba(239, 68, 68, 0.25);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-button);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            text-align: center;
            transition: all var(--transition-fast);
            min-height: 48px;
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .btn:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-primary {
            background: var(--accent-green);
            color: #0d1117;
            border: 1px solid var(--accent-green);
        }

        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            color: #0d1117;
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }

        .btn-ghost:hover {
            background: rgba(60, 224, 138, 0.1);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            min-height: 36px;
            border-radius: 8px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            transition: background var(--transition-mid), border-color var(--transition-mid);
        }

        .site-header.scrolled {
            background: rgba(13, 17, 23, 0.98);
            border-bottom-color: rgba(60, 224, 138, 0.2);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: var(--header-height);
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-green) 0%, #1a8f4e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 16px;
            color: #0d1117;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--accent-green);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.2;
        }

        .logo-text-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .nav-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-item.active {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.1);
        }

        .nav-item .arrow {
            font-size: 10px;
            transition: transform var(--transition-fast);
            margin-left: 2px;
        }

        .nav-item:hover .arrow {
            transform: rotate(180deg);
        }

        .nav-dropdown {
            position: absolute;
            top: calc(100% + 6px);
            left: 0;
            min-width: 200px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all var(--transition-fast);
            z-index: 1001;
            box-shadow: var(--shadow-card);
        }

        .nav-item:hover .nav-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-dropdown a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-dropdown a:hover {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            padding-left: 22px;
        }

        .nav-dropdown a::before {
            content: '';
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-muted);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .nav-dropdown a:hover::before {
            background: var(--accent-green);
        }

        /* Mobile hamburger */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--border-color);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            border-color: var(--accent-green);
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 999;
            padding: 16px 24px;
            overflow-y: auto;
            border-top: 1px solid var(--border-color);
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 4px;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-menu a:hover {
            color: var(--accent-green);
        }

        .mobile-menu .mobile-sub-links {
            padding-left: 16px;
        }

        .mobile-menu .mobile-sub-links a {
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(45, 51, 59, 0.6);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: calc(var(--header-height) + 40px) 0 80px;
            overflow: hidden;
            background: #0d1117;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/f501bbf0d8242792.jpg');
            background-size: cover;
            background-position: center 30%;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.65) 0%, rgba(13, 17, 23, 0.78) 50%, rgba(13, 17, 23, 0.92) 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            background: rgba(60, 224, 138, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.3);
            margin-bottom: 24px;
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(60, 224, 138, 0.4);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(60, 224, 138, 0);
            }
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 20px;
            color: #ffffff;
        }

        .hero h1 .highlight {
            color: var(--accent-green);
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 580px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-search {
            display: flex;
            gap: 8px;
            max-width: 520px;
            margin-bottom: 20px;
        }

        .hero-search input {
            flex: 1;
            padding: 12px 18px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border-color);
            background: rgba(13, 17, 23, 0.85);
            color: var(--text-primary);
            font-size: 15px;
            min-height: 48px;
            transition: all var(--transition-fast);
            outline: none;
        }

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

        .hero-search input:focus {
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }

        .hero-search .btn {
            min-height: 48px;
            padding: 12px 20px;
        }

        .hero-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .hero-tags a {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .hero-tags a:hover {
            background: rgba(60, 224, 138, 0.12);
            border-color: rgba(60, 224, 138, 0.3);
            color: var(--accent-green);
        }

        .hero-mini-score {
            position: absolute;
            right: 36px;
            bottom: 52px;
            z-index: 3;
            background: rgba(22, 27, 34, 0.92);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 18px 22px;
            min-width: 280px;
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card);
        }

        .hero-mini-score .mini-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-green);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .mini-match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(45, 51, 59, 0.6);
        }

        .mini-match:last-child {
            border-bottom: none;
        }

        .mini-match .team {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
        }

        .mini-match .score {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-green);
            font-variant-numeric: tabular-nums;
        }

        .mini-match .status {
            font-size: 12px;
            color: var(--accent-orange);
            font-weight: 500;
        }

        /* Live score strip */
        .live-strip {
            background: #10151c;
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
            overflow: hidden;
            position: relative;
            z-index: 2;
        }

        .live-strip-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-green);
            margin-right: 16px;
            white-space: nowrap;
        }

        .live-strip-label::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse 2s infinite;
        }

        .live-strip-scroll {
            display: flex;
            gap: 12px;
            overflow-x: auto;
            padding-bottom: 4px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }

        .live-strip-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .live-strip-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .live-strip-scroll::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }

        .live-match-chip {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            min-width: 280px;
            transition: all var(--transition-fast);
        }

        .live-match-chip:hover {
            border-color: var(--accent-green);
            background: var(--bg-card-hover);
        }

        .live-match-chip .chip-league {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            min-width: 52px;
        }

        .live-match-chip .chip-teams {
            flex: 1;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .live-match-chip .chip-score {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-green);
            font-variant-numeric: tabular-nums;
        }

        .live-match-chip .chip-status {
            font-size: 12px;
            font-weight: 500;
            color: var(--accent-orange);
        }

        /* Card grid */
        .grid {
            display: grid;
            gap: 20px;
        }

        .grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }

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

        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-mid);
            position: relative;
            overflow: hidden;
        }

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

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(60, 224, 138, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            color: var(--accent-green);
            transition: all var(--transition-fast);
        }

        .card:hover .card-icon {
            background: rgba(60, 224, 138, 0.2);
            transform: scale(1.05);
        }

        .card h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .card-image {
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background: #1a2029;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .card:hover .card-image img {
            transform: scale(1.04);
        }

        /* Feature cards with numbers */
        .feature-card {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: all var(--transition-mid);
        }

        .feature-card:hover {
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

        .feature-number {
            font-size: 32px;
            font-weight: 800;
            color: rgba(60, 224, 138, 0.3);
            line-height: 1;
            flex-shrink: 0;
            min-width: 40px;
        }

        .feature-card h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Scenario cards */
        .scenario-card {
            padding: 26px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
        }

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

        .scenario-card .scenario-icon {
            font-size: 28px;
            margin-bottom: 14px;
        }

        .scenario-card h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        /* Demo / screenshot */
        .demo-frame {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .demo-frame-header {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 20px;
            background: #1a2029;
            border-bottom: 1px solid var(--border-color);
        }

        .demo-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .demo-dot.red {
            background: #ef4444;
        }
        .demo-dot.yellow {
            background: #f59e0b;
        }
        .demo-dot.green {
            background: #22c55e;
        }

        .demo-frame-url {
            flex: 1;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            background: #0d1117;
            border-radius: 6px;
            padding: 4px 12px;
        }

        .demo-frame-body {
            padding: 0;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #0d1117;
        }

        .demo-frame-body img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Table styles for demo */
        .demo-table-wrap {
            padding: 16px 20px;
            overflow-x: auto;
        }

        .demo-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 600px;
        }

        .demo-table th {
            text-align: left;
            padding: 10px 12px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-muted);
            font-weight: 500;
            font-size: 13px;
        }

        .demo-table td {
            padding: 12px 12px;
            border-bottom: 1px solid rgba(45, 51, 59, 0.5);
            color: var(--text-primary);
        }

        .demo-table td.score-cell {
            font-weight: 700;
            color: var(--accent-green);
            font-variant-numeric: tabular-nums;
        }

        /* Success case cards */
        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 26px;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .case-card .case-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.02em;
        }

        .case-card h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
        }

        .case-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
        }

        .case-card .case-result {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            color: var(--accent-green);
        }

        .case-card .case-result span {
            font-weight: 400;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Pricing */
        .pricing-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px 28px;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .pricing-card:hover {
            border-color: var(--accent-green);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .pricing-card.featured {
            border-color: var(--accent-green);
            background: rgba(22, 27, 34, 0.95);
            box-shadow: 0 0 0 1px var(--accent-green), var(--shadow-card);
        }

        .pricing-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            left: 24px;
            background: var(--accent-green);
            color: #0d1117;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .pricing-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .pricing-price {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .pricing-price .unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .pricing-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
        }

        .pricing-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            line-height: 1.5;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--accent-green);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .testimonial-card:hover {
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.7;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-green) 0%, #1a8f4e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: #0d1117;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-role {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Stats bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            padding: 24px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: all var(--transition-fast);
        }

        .stat-item:hover {
            border-color: var(--accent-green);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.2;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: all var(--transition-mid);
            align-items: flex-start;
        }

        .news-item:hover {
            border-color: var(--accent-green);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 64px;
            background: rgba(60, 224, 138, 0.08);
            border-radius: 10px;
            padding: 10px 12px;
            border: 1px solid rgba(60, 224, 138, 0.2);
            flex-shrink: 0;
        }

        .news-date .day {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.1;
        }

        .news-date .month {
            font-size: 12px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .news-content {
            flex: 1;
        }

        .news-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
        }

        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            transition: all var(--transition-fast);
        }

        .news-link:hover {
            color: var(--accent-green-hover);
            gap: 8px;
        }

        /* Brand intro */
        .brand-intro {
            background: #10151c;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 36px 40px;
        }

        .brand-intro p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        .brand-intro strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Game coverage grid */
        .game-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .game-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .game-badge:hover {
            border-color: var(--accent-green);
            background: var(--bg-card-hover);
            color: var(--accent-green);
            transform: translateY(-2px);
        }

        /* CTA section */
        .cta-section {
            background: #0d1117;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center top, rgba(60, 224, 138, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn {
            position: relative;
            z-index: 1;
            font-size: 17px;
            padding: 14px 32px;
            min-height: 54px;
        }

        /* Footer */
        .site-footer {
            background: #0a0d11;
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

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

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

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

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

        .footer-col ul a:hover {
            color: var(--accent-green);
            padding-left: 4px;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: all var(--transition-fast);
            min-height: 44px;
        }

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

        .footer-subscribe input:focus {
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }

        .footer-subscribe .btn {
            min-height: 44px;
            padding: 10px 18px;
            font-size: 14px;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            flex-wrap: wrap;
        }

        .footer-bottom .copyright {
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links {
            display: flex;
            gap: 16px;
            align-items: center;
            font-size: 14px;
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom .legal-links a:hover {
            color: var(--accent-green);
        }

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

        /* Responsive */
        @media (max-width: 1200px) {
            .container {
                padding: 0 20px;
            }
            .header-inner {
                padding: 0 20px;
            }
            .hero-mini-score {
                right: 20px;
                bottom: 32px;
            }
        }

        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 40px;
            }
            .hero-mini-score {
                position: relative;
                right: auto;
                bottom: auto;
                margin-top: 28px;
                min-width: 100%;
            }
            .hero {
                padding-bottom: 60px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-space-desktop: 48px;
                --section-space-mobile: 36px;
            }
            .main-nav {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .section {
                padding: var(--section-space-mobile) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .grid-4,
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .hero {
                min-height: auto;
                padding: calc(var(--header-height) + 40px) 0 56px;
            }
            .hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-search {
                flex-direction: column;
            }
            .hero-search .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date {
                flex-direction: row;
                min-width: auto;
                gap: 4px;
                padding: 8px 12px;
            }
            .news-date .day {
                font-size: 18px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .brand-intro {
                padding: 24px 20px;
            }
            .live-match-chip {
                min-width: 240px;
                padding: 8px 14px;
                gap: 10px;
                font-size: 13px;
            }
            .live-match-chip .chip-score {
                font-size: 14px;
            }
            .demo-frame-body {
                aspect-ratio: 4/3;
            }
            .pricing-card {
                padding: 24px 20px;
            }
            .pricing-price {
                font-size: 32px;
            }
            .section-header.center {
                text-align: left;
            }
            .game-badge {
                padding: 10px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-text-sub {
                font-size: 10px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .hero h1 {
                font-size: 27px;
            }
            .section-title {
                font-size: 22px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-label {
                font-size: 12px;
            }
            .card {
                padding: 18px;
            }
            .card-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
                margin-bottom: 12px;
            }
            .card h3 {
                font-size: 17px;
            }
            .feature-card {
                flex-direction: column;
                gap: 8px;
            }
            .feature-number {
                font-size: 26px;
            }
            .btn {
                font-size: 15px;
                min-height: 44px;
                padding: 10px 18px;
            }
            .cta-section .btn {
                width: 100%;
                font-size: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0d1117;
            --bg-card: #161b22;
            --bg-card-hover: #1c2128;
            --bg-input: #0d1117;
            --accent-green: #3ce08a;
            --accent-green-hover: #55e89d;
            --accent-orange: #f59e0b;
            --accent-red: #ef4444;
            --text-primary: #e6edf3;
            --text-secondary: #9da7b3;
            --text-muted: #6b7280;
            --border-color: #2d333b;
            --border-hover: #3ce08a;
            --radius-card: 12px;
            --radius-button: 10px;
            --radius-input: 10px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1200px;
            --header-height: 68px;
            --section-space-desktop: 60px;
            --section-space-mobile: 40px;
            --focus-ring: 0 0 0 3px rgba(60, 224, 138, 0.35);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        input::placeholder,
        textarea::placeholder {
            color: var(--text-muted);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-space-desktop) 0;
        }
        .section-alt {
            background-color: #10151c;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.25);
            white-space: nowrap;
        }
        .badge-orange {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-orange);
            border-color: rgba(245, 158, 11, 0.25);
        }
        .badge-red {
            background: rgba(239, 68, 68, 0.12);
            color: var(--accent-red);
            border-color: rgba(239, 68, 68, 0.25);
        }
        .badge-blue {
            background: rgba(96, 165, 250, 0.12);
            color: #60a5fa;
            border-color: rgba(96, 165, 250, 0.25);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-button);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            text-align: center;
            transition: all var(--transition-fast);
            min-height: 48px;
            white-space: nowrap;
            text-decoration: none;
            position: relative;
            cursor: pointer;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .btn-primary {
            background: var(--accent-green);
            color: #0d1117;
            border: 1px solid var(--accent-green);
        }
        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            color: #0d1117;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-ghost:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.1);
            color: var(--accent-green);
        }
        .btn-sm {
            min-height: 40px;
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 8px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }
        .logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0d1117;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--accent-green);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            color: var(--text-primary);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .nav-toggle .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 20px;
        }
        .nav-toggle .hamburger span {
            display: block;
            height: 2px;
            width: 100%;
            background: currentColor;
            border-radius: 2px;
            transition: all var(--transition-mid);
        }
        .nav-toggle.active .hamburger span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active .hamburger span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active .hamburger span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-item {
            position: relative;
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-item.active {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.1);
        }
        .nav-item .arrow {
            font-size: 10px;
            transition: transform var(--transition-fast);
            margin-left: 2px;
        }
        .nav-item.dropdown-trigger:hover .arrow {
            transform: rotate(180deg);
        }
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 200px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 8px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-mid);
            z-index: 100;
        }
        .nav-item.dropdown-trigger:hover .dropdown,
        .nav-item.dropdown-trigger:focus-within .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(4px);
        }
        .dropdown a {
            display: block;
            padding: 8px 12px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .dropdown a:hover {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
        }
        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(13, 17, 23, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            overflow-y: auto;
            padding: 16px 24px 40px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav .nav-item {
            padding: 14px 12px;
            font-size: 17px;
            border-radius: 10px;
            width: 100%;
            justify-content: space-between;
        }
        .mobile-nav .mobile-dropdown {
            display: flex;
            flex-direction: column;
            gap: 2px;
            padding-left: 16px;
            margin-bottom: 4px;
        }
        .mobile-nav .mobile-dropdown a {
            padding: 10px 12px;
            font-size: 15px;
            color: var(--text-secondary);
            border-radius: 8px;
        }
        .mobile-nav .mobile-dropdown a:hover {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
        }
        /* Main content */
        main {
            flex: 1;
            margin-top: var(--header-height);
        }
        /* Category banner */
        .category-banner {
            padding: 48px 0 32px;
            background:
                linear-gradient(135deg, rgba(60, 224, 138, 0.06) 0%, transparent 50%, rgba(245, 158, 11, 0.04) 100%),
                var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(60, 224, 138, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--accent-green);
        }
        .category-banner h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .category-banner .banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .banner-meta {
            display: flex;
            gap: 24px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .banner-meta .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(60, 224, 138, 0.4);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(60, 224, 138, 0);
            }
        }
        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 24px;
        }
        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tab {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tab:hover {
            border-color: var(--accent-green);
            color: var(--text-primary);
        }
        .filter-tab.active {
            background: rgba(60, 224, 138, 0.15);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .filter-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 8px 14px;
            min-width: 220px;
            transition: border-color var(--transition-fast);
        }
        .filter-search:focus-within {
            border-color: var(--accent-green);
        }
        .filter-search input {
            background: none;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
        }
        .filter-search .search-icon {
            color: var(--text-muted);
            font-size: 15px;
            flex-shrink: 0;
        }
        .sort-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-input);
            font-size: 14px;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .sort-btn:hover {
            border-color: var(--accent-green);
            color: var(--text-primary);
        }
        /* Live score list */
        .score-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .score-card {
            display: flex;
            align-items: stretch;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-mid);
            position: relative;
        }
        .score-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .score-card .game-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 16px 18px;
            min-width: 100px;
            background: rgba(255, 255, 255, 0.02);
            border-right: 1px solid var(--border-color);
            gap: 4px;
            flex-shrink: 0;
        }
        .score-card .game-badge .game-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(60, 224, 138, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-green);
        }
        .score-card .game-badge .game-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .score-card .game-badge .league-name {
            font-size: 11px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .score-card .match-info {
            flex: 1;
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }
        .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .team {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            min-width: 100px;
        }
        .team .team-logo {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-card-hover);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
            flex-shrink: 0;
            overflow: hidden;
        }
        .team .team-logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }
        .score-center {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .score-main {
            font-size: 26px;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .score-main.winner {
            color: var(--accent-green);
        }
        .score-main.loser {
            color: var(--text-secondary);
        }
        .score-separator {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1;
        }
        .match-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .match-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .status-badge {
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            white-space: nowrap;
        }
        .status-live {
            background: rgba(239, 68, 68, 0.15);
            color: var(--accent-red);
            border: 1px solid rgba(239, 68, 68, 0.3);
        }
        .status-upcoming {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-orange);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .status-finished {
            background: rgba(107, 114, 128, 0.15);
            color: var(--text-secondary);
            border: 1px solid rgba(107, 114, 128, 0.3);
        }
        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent-green);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .view-more-link:hover {
            color: var(--accent-green-hover);
            gap: 10px;
        }
        /* Hot subcategories */
        .subcat-grid {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subcat-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: var(--radius-card);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .subcat-tag:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
            transform: translateY(-2px);
        }
        .subcat-tag .subcat-icon {
            font-size: 18px;
        }
        .subcat-tag .subcat-count {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 8px;
            border-radius: 999px;
        }
        /* Data tools */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .tool-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .tool-card .tool-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(60, 224, 138, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-green);
        }
        .tool-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .tool-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, rgba(60, 224, 138, 0.08) 0%, rgba(13, 17, 23, 0.95) 60%, rgba(245, 158, 11, 0.04) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-cta .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-cta h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .subscribe-cta p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form input {
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 15px;
            min-width: 260px;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }
        /* Related reading */
        .related-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .related-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: all var(--transition-mid);
        }
        .related-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .related-item .related-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 70px;
        }
        .related-item .related-title {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            flex: 1;
            line-height: 1.5;
        }
        .related-item:hover .related-title {
            color: var(--accent-green);
        }
        .related-item .related-arrow {
            color: var(--accent-green);
            font-size: 18px;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }
        .related-item:hover .related-arrow {
            transform: translateX(4px);
        }
        /* Footer */
        .site-footer {
            background: #0a0e13;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-green);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-subscribe input {
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 14px;
            min-width: 160px;
            flex: 1;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .footer-subscribe input:focus {
            border-color: var(--accent-green);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .copyright {
            font-size: 13px;
            color: var(--text-muted);
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
        }
        .legal-links a {
            color: var(--text-secondary);
        }
        .legal-links a:hover {
            color: var(--accent-green);
        }
        .legal-links .separator {
            color: var(--text-muted);
        }
        /* Responsive */
        @media (max-width: 1200px) {
            .container {
                padding: 0 20px;
            }
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-banner h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-space-desktop: 40px;
                --section-space-mobile: 32px;
            }
            .desktop-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: flex;
            }
            .category-banner {
                padding: 32px 0 24px;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .score-card {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .score-card .game-badge {
                min-width: 80px;
                padding: 12px 10px;
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                flex-direction: row;
                gap: 8px;
                width: 100%;
                justify-content: flex-start;
            }
            .score-card .match-info {
                padding: 14px 16px;
                width: 100%;
            }
            .match-teams {
                flex-direction: row;
                flex-wrap: nowrap;
                gap: 8px;
            }
            .team {
                font-size: 14px;
                min-width: 0;
                flex: 1;
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 4px;
            }
            .team .team-logo {
                width: 28px;
                height: 28px;
                font-size: 11px;
            }
            .score-main {
                font-size: 20px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-actions {
                justify-content: space-between;
            }
            .subscribe-cta {
                padding: 28px 20px;
                flex-direction: column;
                align-items: stretch;
                text-align: left;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-item {
                flex-wrap: wrap;
            }
            .related-item .related-date {
                min-width: 60px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .category-banner h1 {
                font-size: 24px;
            }
            .banner-meta {
                gap: 12px;
                flex-wrap: wrap;
            }
            .score-card .game-badge {
                padding: 10px 8px;
            }
            .match-teams {
                gap: 4px;
            }
            .team {
                font-size: 12px;
            }
            .score-main {
                font-size: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .subcat-tag {
                padding: 10px 16px;
                font-size: 14px;
            }
            .subscribe-cta h2 {
                font-size: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0d1117;
            --bg-card: #161b22;
            --bg-card-hover: #1c2128;
            --bg-input: #0d1117;
            --accent-green: #3ce08a;
            --accent-green-hover: #55e89d;
            --accent-orange: #f59e0b;
            --accent-red: #ef4444;
            --text-primary: #e6edf3;
            --text-secondary: #9da7b3;
            --text-muted: #6b7280;
            --border-color: #2d333b;
            --border-hover: #3ce08a;
            --radius-card: 12px;
            --radius-button: 10px;
            --radius-input: 10px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1200px;
            --header-height: 60px;
            --section-space-desktop: 48px;
            --section-space-mobile: 36px;
            --focus-ring: 0 0 0 3px rgba(60, 224, 138, 0.35);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-space-desktop) 0;
        }
        .section-alt {
            background-color: #10151c;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.25);
            white-space: nowrap;
        }
        .badge-orange {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-orange);
            border-color: rgba(245, 158, 11, 0.25);
        }
        .badge-red {
            background: rgba(239, 68, 68, 0.12);
            color: var(--accent-red);
            border-color: rgba(239, 68, 68, 0.25);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-button);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            text-align: center;
            transition: all var(--transition-fast);
            min-height: 48px;
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .btn-primary {
            background: var(--accent-green);
            color: #0d1117;
            border: 1px solid var(--accent-green);
        }
        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            color: #0d1117;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-ghost:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.1);
            color: var(--accent-green);
        }
        .btn-sm {
            min-height: 36px;
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 8px;
        }
        .btn-text-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 15px;
            color: var(--accent-green);
            transition: gap var(--transition-fast);
        }
        .btn-text-arrow:hover {
            gap: 10px;
            color: var(--accent-green-hover);
        }
        .btn-text-arrow .arrow-icon {
            font-size: 18px;
            line-height: 1;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 17, 23, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .brand:hover {
            color: var(--accent-green);
        }
        .brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: rgba(60, 224, 138, 0.15);
            border: 1px solid rgba(60, 224, 138, 0.3);
            color: var(--accent-green);
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-toggle-checkbox {
            display: none;
        }
        .nav-toggle-label {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
        }
        .nav-toggle-label .bar {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: default;
        }
        .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-item.active {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.1);
            font-weight: 600;
        }
        .nav-item.active > a {
            color: var(--accent-green);
        }
        .nav-item > a {
            color: inherit;
            text-decoration: none;
            font-weight: inherit;
        }
        .nav-item > a:hover {
            color: var(--accent-green);
        }
        .nav-item .arrow {
            font-size: 10px;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            pointer-events: none;
        }
        .nav-item:hover .arrow {
            transform: rotate(180deg);
            color: var(--accent-green);
        }
        .dropdown-panel {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 8px;
            display: none;
            flex-direction: column;
            gap: 2px;
            z-index: 200;
        }
        .nav-item:hover .dropdown-panel,
        .nav-item:focus-within .dropdown-panel {
            display: flex;
        }
        .dropdown-panel a {
            display: block;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .dropdown-panel a:hover {
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 6px 12px;
            flex-shrink: 0;
            transition: border-color var(--transition-fast);
        }
        .header-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            font-size: 14px;
            width: 100%;
            color: var(--text-primary);
            min-width: 140px;
        }
        .header-search input::placeholder {
            color: var(--text-secondary);
        }
        .header-search .search-icon {
            color: var(--text-muted);
            font-size: 16px;
            flex-shrink: 0;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 500;
        }

        /* Classification H1 Banner */
        .cat-banner {
            background: #10151c;
            border-bottom: 1px solid var(--border-color);
            padding: 40px 0 32px;
            position: relative;
            overflow: hidden;
        }
        .cat-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(60, 224, 138, 0.06) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .cat-banner .h1-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cat-banner .h1-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 760px;
        }
        .cat-banner .banner-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .banner-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .banner-meta .meta-item .meta-icon {
            color: var(--accent-green);
            font-size: 14px;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            margin-top: 24px;
        }
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .filter-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-right: 4px;
        }
        .filter-tag {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.06);
        }
        .filter-tag.active {
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border-color: rgba(60, 224, 138, 0.3);
        }
        .filter-sort {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-sort:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            background: rgba(245, 158, 11, 0.06);
        }
        .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 6px 14px;
            flex: 1;
            min-width: 180px;
            max-width: 320px;
            transition: border-color var(--transition-fast);
        }
        .filter-search:focus-within {
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }
        .filter-search input {
            background: transparent;
            border: none;
            outline: none;
            font-size: 14px;
            width: 100%;
            color: var(--text-primary);
        }
        .filter-search input::placeholder {
            color: var(--text-muted);
        }

        /* Data List Cards */
        .data-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 24px;
        }
        .data-card {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 22px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-mid);
            cursor: pointer;
        }
        .data-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .data-card .data-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(60, 224, 138, 0.1);
            border: 1px solid rgba(60, 224, 138, 0.2);
            color: var(--accent-green);
            font-size: 22px;
            flex-shrink: 0;
        }
        .data-card .data-content {
            flex: 1;
            min-width: 0;
        }
        .data-card .data-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }
        .data-card .data-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-right: auto;
        }
        .data-card .data-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .data-card .data-summary {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .data-card .data-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .data-card .tag {
            display: inline-flex;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: all var(--transition-fast);
        }
        .data-card .tag:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .data-link-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .data-link-more:hover {
            color: var(--accent-green-hover);
        }
        .data-link-more .arrow {
            font-size: 16px;
            line-height: 1;
            transition: transform var(--transition-fast);
        }
        .data-link-more:hover .arrow {
            transform: translateX(4px);
        }

        /* Hot Subcategory Entries */
        .hot-subcats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }
        .subcat-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: all var(--transition-mid);
            text-decoration: none;
            cursor: pointer;
        }
        .subcat-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .subcat-card .subcat-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(60, 224, 138, 0.12);
            border: 1px solid rgba(60, 224, 138, 0.22);
            color: var(--accent-green);
            font-size: 18px;
        }
        .subcat-card .subcat-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .subcat-card .subcat-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Data Tools */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }
        .tool-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            transition: all var(--transition-mid);
            cursor: default;
        }
        .tool-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .tool-card .tool-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.22);
            color: var(--accent-orange);
            font-size: 16px;
        }
        .tool-card .tool-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .tool-card .tool-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Subscribe CTA */
        .cta-section {
            background: #10151c;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 24px;
        }
        .cta-section .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-section .cta-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .cta-section .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .cta-section .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            flex-shrink: 0;
        }
        .cta-section .cta-form input {
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-primary);
            min-width: 220px;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .cta-section .cta-form input:focus {
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }
        .cta-section .cta-form input::placeholder {
            color: var(--text-muted);
        }

        /* Related Reading */
        .related-reading {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .related-img {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-card-hover);
            position: relative;
        }
        .related-card .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .related-card:hover .related-img img {
            transform: scale(1.05);
        }
        .related-card .related-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .related-card .related-date {
            font-size: 13px;
            color: var(--text-muted);
        }
        .related-card .related-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .related-card .related-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        /* Footer */
        .site-footer {
            background: #0a0d11;
            border-top: 1px solid var(--border-color);
            padding: 40px 0 20px;
            margin-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-green);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .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);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-green);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-subscribe input {
            flex: 1;
            min-width: 140px;
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .footer-subscribe input:focus {
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }
        .footer-subscribe input::placeholder {
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom .legal-links a:hover {
            color: var(--accent-green);
        }
        .footer-bottom .separator {
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .hot-subcats {
                grid-template-columns: repeat(3, 1fr);
            }
            .tools-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-subcats {
                grid-template-columns: repeat(2, 1fr);
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-reading {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-banner .h1-title {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
                --section-space-desktop: 36px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-toggle-label {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: var(--bg-primary);
                border-bottom: 1px solid var(--border-color);
                padding: 12px 16px;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
                z-index: 150;
            }
            .nav-toggle-checkbox:checked ~ .header-inner .main-nav {
                display: flex;
            }
            .nav-item {
                padding: 14px 12px;
                border-radius: 8px;
                width: 100%;
                border-bottom: 1px solid rgba(45, 51, 59, 0.5);
                flex-wrap: wrap;
            }
            .nav-item .dropdown-panel {
                position: static;
                display: none;
                width: 100%;
                box-shadow: none;
                border: none;
                background: transparent;
                padding: 0 0 0 20px;
            }
            .nav-item:hover .dropdown-panel,
            .nav-item:focus-within .dropdown-panel {
                display: flex;
            }
            .nav-item .dropdown-panel a {
                padding: 10px 0;
                font-size: 14px;
                color: var(--text-secondary);
                border-bottom: none;
            }
            .header-search {
                display: none;
            }
            .cat-banner .h1-title {
                font-size: 26px;
            }
            .data-card {
                padding: 18px 16px;
                gap: 14px;
                flex-direction: column;
            }
            .data-card .data-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .related-reading {
                grid-template-columns: 1fr;
            }
            .hot-subcats {
                grid-template-columns: 1fr;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section .cta-form {
                width: 100%;
            }
            .cta-section .cta-form input {
                flex: 1;
                min-width: 0;
            }
            .filter-toolbar {
                padding: 12px 14px;
                gap: 10px;
            }
            .filter-search {
                max-width: 100%;
                width: 100%;
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .cat-banner .h1-title {
                font-size: 22px;
            }
            .cat-banner .h1-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .data-card .data-title {
                font-size: 16px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
                min-height: 42px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0d1117;
            --bg-card: #161b22;
            --bg-card-hover: #1c2128;
            --bg-input: #0d1117;
            --accent-green: #3ce08a;
            --accent-green-hover: #55e89d;
            --accent-orange: #f59e0b;
            --accent-red: #ef4444;
            --text-primary: #e6edf3;
            --text-secondary: #9da7b3;
            --text-muted: #6b7280;
            --border-color: #2d333b;
            --border-hover: #3ce08a;
            --radius-card: 12px;
            --radius-button: 10px;
            --radius-input: 10px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1200px;
            --header-height: 60px;
            --section-space-desktop: 48px;
            --section-space-mobile: 36px;
            --focus-ring: 0 0 0 3px rgba(60, 224, 138, 0.35);
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        .section {
            padding: var(--section-space-desktop) 0;
        }
        .section-alt {
            background-color: #10151c;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }
        .section-header {
            margin-bottom: 28px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.25);
            white-space: nowrap;
        }
        .badge-orange {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-orange);
            border-color: rgba(245, 158, 11, 0.25);
        }
        .badge-red {
            background: rgba(239, 68, 68, 0.12);
            color: var(--accent-red);
            border-color: rgba(239, 68, 68, 0.25);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-button);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            text-align: center;
            transition: all var(--transition-fast);
            min-height: 48px;
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .btn-primary {
            background: var(--accent-green);
            color: #0d1117;
            border: 1px solid var(--accent-green);
        }
        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            color: #0d1117;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-ghost:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
        }
        .btn-sm {
            min-height: 40px;
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 8px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .logo-link {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .logo-link .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            display: inline-block;
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(60, 224, 138, 0.6);
        }
        .logo-link:hover {
            color: var(--accent-green);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-item {
            position: relative;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-item a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .nav-item:hover,
        .nav-item.active {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
        }
        .nav-item .arrow {
            font-size: 10px;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
        }
        .nav-item:hover .arrow {
            color: var(--accent-green);
            transform: rotate(180deg);
        }

        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: #1a2029;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 8px;
            display: flex;
            flex-direction: column;
            gap: 2px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-mid);
            z-index: 100;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
        }
        .nav-item:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .dropdown a {
            padding: 10px 14px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .dropdown a:hover {
            background: rgba(60, 224, 138, 0.1);
            color: var(--accent-green);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: transparent;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .menu-toggle:hover {
            border-color: var(--accent-green);
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 500;
        }

        /* Category H1 Banner */
        .cat-banner {
            padding: 48px 0 24px;
            background: linear-gradient(180deg, #0d1117 0%, #111820 60%, #0d1117 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cat-banner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle at 25% 35%, rgba(60, 224, 138, 0.06) 0%, transparent 55%),
                radial-gradient(circle at 75% 65%, rgba(245, 158, 11, 0.05) 0%, transparent 50%),
                linear-gradient(to right, rgba(45, 51, 59, 0.35) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(45, 51, 59, 0.35) 1px, transparent 1px);
            background-size: auto, auto, 48px 48px, 48px 48px;
            pointer-events: none;
        }
        .cat-banner .container {
            position: relative;
            z-index: 1;
        }
        .cat-banner h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.015em;
        }
        .cat-banner .banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        /* Filter Toolbar */
        .filter-bar {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
        }
        .filter-tag {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .filter-tag.active {
            background: rgba(60, 224, 138, 0.12);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .filter-tag:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .filter-divider {
            width: 1px;
            height: 28px;
            background: var(--border-color);
            flex-shrink: 0;
        }
        .date-input {
            padding: 8px 14px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 14px;
            min-width: 160px;
            transition: border-color var(--transition-fast);
        }
        .date-input:focus {
            outline: none;
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }

        /* Schedule List */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .schedule-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            transition: all var(--transition-mid);
            cursor: pointer;
        }
        .schedule-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .schedule-card .card-img {
            width: 72px;
            height: 48px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: #10151c;
            border: 1px solid var(--border-color);
        }
        .schedule-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .schedule-card .card-info {
            flex: 1;
            min-width: 0;
        }
        .schedule-card .card-info .league-name {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 2px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .schedule-card .card-info .team-match {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .schedule-card .card-info .match-time {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .schedule-card .card-action {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
        }
        .schedule-card .card-action .status-badge {
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 500;
        }
        .status-upcoming {
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.25);
        }
        .status-live {
            background: rgba(239, 68, 68, 0.15);
            color: var(--accent-red);
            border: 1px solid rgba(239, 68, 68, 0.3);
            animation: pulse-live 1.6s ease-in-out infinite;
        }
        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .status-ended {
            background: rgba(157, 167, 179, 0.12);
            color: var(--text-muted);
            border: 1px solid rgba(157, 167, 179, 0.25);
        }
        .detail-link {
            font-size: 14px;
            color: var(--accent-green);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .detail-link:hover {
            color: var(--accent-green-hover);
            gap: 8px;
        }
        .detail-link .arrow-icon {
            font-size: 14px;
            transition: transform var(--transition-fast);
        }
        .detail-link:hover .arrow-icon {
            transform: translateX(2px);
        }

        .view-more-wrap {
            margin-top: 20px;
            text-align: center;
        }

        /* Subcategory Grid */
        .subcategory-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .subcategory-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            text-align: center;
            transition: all var(--transition-mid);
            text-decoration: none;
            color: var(--text-primary);
            display: block;
        }
        .subcategory-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .subcategory-card .sub-icon {
            font-size: 28px;
            margin-bottom: 10px;
            display: block;
        }
        .subcategory-card .sub-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .subcategory-card .sub-desc {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .subcategory-card:hover .sub-name {
            color: var(--accent-green);
        }

        /* Tool Cards */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: all var(--transition-mid);
        }
        .tool-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .tool-card .tool-icon {
            font-size: 24px;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(60, 224, 138, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .tool-card .tool-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 3px;
        }
        .tool-card .tool-info p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: #101a14;
            border: 1px solid rgba(60, 224, 138, 0.25);
            border-radius: 16px;
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .subscribe-cta .cta-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .subscribe-cta .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 480px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form input {
            padding: 12px 16px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border-color);
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 15px;
            min-width: 260px;
            transition: border-color var(--transition-fast);
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }

        /* Related Reading */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition-mid);
            text-decoration: none;
            display: block;
            color: var(--text-primary);
        }
        .related-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .related-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .related-card .related-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .related-card:hover .related-title {
            color: var(--accent-green);
        }
        .related-card .related-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;
        }

        /* Footer */
        .site-footer {
            background: #0a0e14;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 16px;
            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 li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-green);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-subscribe input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }
        .footer-subscribe input::placeholder {
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .footer-bottom .copyright {
            font-size: 14px;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-bottom .legal-links a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-bottom .legal-links a:hover {
            color: var(--accent-green);
        }
        .footer-bottom .legal-links .separator {
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subcategory-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cat-banner h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #0d1117;
                border-bottom: 1px solid var(--border-color);
                padding: 16px 24px;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                display: none;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
                z-index: 999;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            }
            .main-nav.open {
                display: flex;
            }
            .nav-item {
                padding: 12px 16px;
                font-size: 16px;
                border-radius: 8px;
                justify-content: space-between;
                width: 100%;
            }
            .nav-item .arrow {
                font-size: 12px;
            }
            .dropdown {
                position: static;
                min-width: auto;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                border: none;
                padding: 0 0 0 16px;
                display: none;
                background: transparent;
            }
            .dropdown.open {
                display: flex;
            }
            .dropdown a {
                padding: 10px 14px;
                font-size: 15px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .filter-divider {
                width: 100%;
                height: 1px;
            }
            .date-input {
                width: 100%;
                min-width: auto;
            }
            .schedule-card {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .schedule-card .card-img {
                width: 56px;
                height: 38px;
            }
            .schedule-card .card-info .team-match {
                font-size: 15px;
            }
            .schedule-card .card-action {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                width: 100%;
            }
            .subscribe-cta {
                padding: 28px 20px;
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: auto;
                width: 100%;
            }
            .subscribe-form .btn {
                width: 100%;
            }
            .tool-grid {
                grid-template-columns: 1fr;
            }
            .subcategory-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cat-banner {
                padding: 36px 0 20px;
            }
            .cat-banner h1 {
                font-size: 26px;
            }
            .section {
                padding: var(--section-space-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .cat-banner h1 {
                font-size: 22px;
            }
            .schedule-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .schedule-card .card-img {
                width: 100%;
                height: auto;
                max-height: 160px;
                aspect-ratio: 16/9;
            }
            .schedule-card .card-info .team-match {
                font-size: 16px;
            }
            .schedule-card .card-action {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-title {
                font-size: 21px;
            }
            .btn {
                font-size: 15px;
                padding: 10px 18px;
                min-height: 44px;
            }
            .logo-link {
                font-size: 17px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0d1117;
            --bg-card: #161b22;
            --bg-card-hover: #1c2128;
            --bg-input: #0d1117;
            --accent-green: #3ce08a;
            --accent-green-hover: #55e89d;
            --accent-orange: #f59e0b;
            --accent-orange-hover: #fbbf24;
            --accent-red: #ef4444;
            --text-primary: #e6edf3;
            --text-secondary: #9da7b3;
            --text-muted: #6b7280;
            --border-color: #2d333b;
            --border-hover: #3ce08a;
            --radius-card: 12px;
            --radius-button: 10px;
            --radius-input: 10px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1200px;
            --header-height: 68px;
            --section-space-desktop: 80px;
            --section-space-mobile: 48px;
            --focus-ring: 0 0 0 3px rgba(60, 224, 138, 0.35);
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo:hover {
            color: var(--accent-green);
        }
        .logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent-green);
            color: #0d1117;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-item {
            position: relative;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-item.active {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
        }
        .nav-item a {
            color: inherit;
            text-decoration: none;
            font-weight: inherit;
        }
        .nav-item .arrow {
            font-size: 10px;
            margin-left: 2px;
            transition: transform var(--transition-fast);
            color: var(--text-muted);
        }
        .nav-item:hover .arrow {
            transform: rotate(180deg);
            color: var(--accent-green);
        }
        .nav-item.active > a,
        .nav-item.active .arrow {
            color: var(--accent-green);
        }

        .dropdown-panel {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 220px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 8px;
            box-shadow: var(--shadow-hover);
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-mid);
            z-index: 200;
        }
        .nav-item:hover .dropdown-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(4px);
        }
        .dropdown-panel a {
            display: block;
            padding: 10px 14px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .dropdown-panel a:hover {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 28px;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            border-radius: 6px;
            padding: 4px;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-mid);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
            z-index: 99;
            box-shadow: var(--shadow-hover);
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav .nav-item {
            padding: 12px 14px;
            font-size: 16px;
            border-radius: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        .mobile-nav .dropdown-panel {
            position: static;
            opacity: 1;
            visibility: visible;
            transform: none;
            box-shadow: none;
            border: none;
            min-width: 0;
            padding: 0 0 0 16px;
            margin-top: 4px;
        }
        .mobile-nav .dropdown-panel a {
            padding: 8px 14px;
            font-size: 14px;
        }
        .mobile-nav .nav-item.has-children {
            flex-wrap: wrap;
        }
        .mobile-nav .nav-item.has-children > .arrow {
            transition: transform var(--transition-fast);
        }
        .mobile-nav .nav-item.has-children.open > .arrow {
            transform: rotate(180deg);
        }
        .mobile-nav .nav-item.has-children .dropdown-panel {
            width: 100%;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            margin-top: var(--header-height);
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--accent-green);
        }
        .breadcrumb-sep {
            margin: 0 8px;
            color: var(--text-muted);
        }

        /* ========== Section Base ========== */
        .section {
            padding: var(--section-space-desktop) 0;
        }
        .section-alt {
            background-color: #10151c;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-button);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            text-align: center;
            transition: all var(--transition-fast);
            min-height: 48px;
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .btn-primary {
            background: var(--accent-green);
            color: #0d1117;
            border: 1px solid var(--accent-green);
        }
        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            color: #0d1117;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-ghost:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.1);
            color: var(--accent-green);
        }
        .btn-sm {
            padding: 8px 16px;
            min-height: 36px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 32px;
            min-height: 56px;
            font-size: 18px;
        }
        .btn-text {
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-fast);
            padding: 4px 0;
        }
        .btn-text:hover {
            color: var(--accent-green-hover);
            gap: 10px;
        }
        .btn-text .arrow-icon {
            font-size: 18px;
            line-height: 1;
        }

        /* ========== Badges & Tags ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.25);
            white-space: nowrap;
        }
        .badge-orange {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-orange);
            border-color: rgba(245, 158, 11, 0.25);
        }
        .badge-red {
            background: rgba(239, 68, 68, 0.12);
            color: var(--accent-red);
            border-color: rgba(239, 68, 68, 0.25);
        }
        .badge-muted {
            background: rgba(157, 167, 179, 0.1);
            color: var(--text-secondary);
            border-color: rgba(157, 167, 179, 0.2);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            background: var(--bg-card);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.06);
        }
        .tag.active {
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border-color: rgba(60, 224, 138, 0.35);
        }

        /* ========== Category H1 Banner ========== */
        .category-banner {
            background: #10151c;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(60, 224, 138, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 30%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-banner h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            position: relative;
            z-index: 1;
        }
        .category-banner .banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            position: relative;
            z-index: 1;
        }
        .category-banner .banner-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 16px;
            position: relative;
            z-index: 1;
        }

        /* ========== Filter Toolbar ========== */
        .filter-toolbar {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
            white-space: nowrap;
        }
        .sort-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            background: transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .sort-btn:hover,
        .sort-btn.active {
            color: var(--accent-green);
            border-color: rgba(60, 224, 138, 0.4);
            background: rgba(60, 224, 138, 0.06);
        }
        .search-input {
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 8px 16px;
            font-size: 14px;
            color: var(--text-primary);
            min-width: 200px;
            transition: border-color var(--transition-fast);
        }
        .search-input:focus {
            border-color: var(--accent-green);
        }
        .search-input::placeholder {
            color: var(--text-muted);
        }

        /* ========== Article List Cards ========== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            gap: 20px;
            transition: all var(--transition-mid);
            position: relative;
            overflow: hidden;
        }
        .article-card:hover {
            border-color: rgba(60, 224, 138, 0.4);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .article-card .card-thumb {
            width: 220px;
            min-width: 220px;
            height: 140px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .article-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }
        .article-card:hover .card-thumb img {
            transform: scale(1.05);
        }
        .article-card .card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }
        .article-card .card-top {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .article-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .article-card .card-title {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-title a {
            color: inherit;
        }
        .article-card .card-title a:hover {
            color: var(--accent-green);
        }
        .article-card .card-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: auto;
        }
        .article-card .card-stats {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-card .card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .view-more-wrap {
            text-align: center;
            margin-top: 24px;
        }

        /* ========== Topic Entry Cards ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 12px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            transition: all var(--transition-mid);
            cursor: pointer;
            display: block;
        }
        .topic-card:hover {
            border-color: rgba(60, 224, 138, 0.5);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .topic-card .topic-icon {
            font-size: 28px;
            margin-bottom: 8px;
            color: var(--accent-green);
        }
        .topic-card .topic-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .topic-card .topic-count {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .topic-card:hover .topic-name {
            color: var(--accent-green);
        }

        /* ========== Tools Cards ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 16px;
        }
        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition-mid);
        }
        .tool-card:hover {
            border-color: rgba(60, 224, 138, 0.4);
            transform: translateY(-2px);
        }
        .tool-card .tool-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(60, 224, 138, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--accent-green);
        }
        .tool-card .tool-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .tool-card .tool-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: #10151c;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(60, 224, 138, 0.1), transparent 70%);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08), transparent 70%);
            border-radius: 50%;
        }
        .cta-section h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 440px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 240px;
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast);
        }
        .cta-form input:focus {
            border-color: var(--accent-green);
        }
        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        /* ========== Related Reading ========== */
        .related-reading-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 16px;
        }
        .related-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-mid);
        }
        .related-item:hover {
            border-color: rgba(60, 224, 138, 0.4);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .related-item .rel-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .related-item .rel-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-item .rel-title a {
            color: inherit;
        }
        .related-item .rel-title a:hover {
            color: var(--accent-green);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0a0e13;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-green);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            min-width: 0;
        }
        .footer-subscribe input:focus {
            border-color: var(--accent-green);
        }
        .footer-subscribe input::placeholder {
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-muted);
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .legal-links a {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .legal-links a:hover {
            color: var(--accent-green);
        }
        .separator {
            color: var(--text-muted);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .article-card .card-thumb {
                width: 180px;
                min-width: 180px;
                height: 120px;
            }
            .category-banner h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space-desktop: 48px;
                --section-space-mobile: 36px;
            }
            .container {
                padding: 0 16px;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: flex;
            }
            .section {
                padding: var(--section-space-mobile) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .category-banner {
                padding: 32px 20px;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .category-banner .banner-desc {
                font-size: 15px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 14px 16px;
            }
            .filter-group {
                flex-wrap: wrap;
            }
            .search-input {
                min-width: 100%;
            }
            .article-card {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }
            .article-card .card-thumb {
                width: 100%;
                min-width: 0;
                height: 180px;
            }
            .article-card .card-title {
                font-size: 18px;
            }
            .article-card .card-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .topic-card {
                padding: 16px 12px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 24px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .related-reading-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 576px) {
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
            .badge {
                font-size: 12px;
                padding: 3px 10px;
            }
            .tag {
                font-size: 12px;
                padding: 5px 12px;
            }
            .sort-btn {
                font-size: 12px;
                padding: 5px 10px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0d1117;
            --bg-card: #161b22;
            --bg-card-hover: #1c2128;
            --bg-input: #0d1117;
            --accent-green: #3ce08a;
            --accent-green-hover: #55e89d;
            --accent-orange: #f59e0b;
            --accent-red: #ef4444;
            --text-primary: #e6edf3;
            --text-secondary: #9da7b3;
            --text-muted: #6b7280;
            --border-color: #2d333b;
            --border-hover: #3ce08a;
            --radius-card: 12px;
            --radius-button: 10px;
            --radius-input: 10px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1200px;
            --header-height: 68px;
            --section-space-desktop: 64px;
            --section-space-mobile: 40px;
            --focus-ring: 0 0 0 3px rgba(60, 224, 138, 0.35);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-space-desktop) 0;
        }
        .section-alt {
            background-color: #10151c;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }
        .section-header {
            margin-bottom: 28px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
            background: rgba(60, 224, 138, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.25);
            white-space: nowrap;
        }
        .badge-orange {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-orange);
            border-color: rgba(245, 158, 11, 0.25);
        }
        .badge-red {
            background: rgba(239, 68, 68, 0.12);
            color: var(--accent-red);
            border-color: rgba(239, 68, 68, 0.25);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-button);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            text-align: center;
            transition: all var(--transition-fast);
            min-height: 48px;
            white-space: nowrap;
            text-decoration: none;
            position: relative;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .btn-primary {
            background: var(--accent-green);
            color: #0d1117;
            border-color: var(--accent-green);
        }
        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            color: #0d1117;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border-color);
        }
        .btn-secondary:hover {
            border-color: var(--accent-green);
            background: rgba(60, 224, 138, 0.08);
            color: var(--accent-green);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            border-color: var(--border-color);
        }
        .btn-ghost:hover {
            background: rgba(60, 224, 138, 0.1);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .btn-sm {
            padding: 8px 16px;
            min-height: 38px;
            font-size: 14px;
            border-radius: 8px;
        }
        .btn-text-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-green);
            transition: all var(--transition-fast);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
        }
        .btn-text-arrow:hover {
            color: var(--accent-green-hover);
            gap: 10px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }
        .logo:hover {
            color: var(--accent-green);
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: #0d1117;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-item {
            position: relative;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-item.active {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.1);
        }
        .nav-item .arrow {
            font-size: 9px;
            transition: transform var(--transition-fast);
            display: inline-block;
        }
        .nav-item:hover .arrow {
            transform: rotate(180deg);
        }
        .nav-dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 8px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-mid);
            z-index: 100;
            box-shadow: var(--shadow-card);
        }
        .nav-item:hover .nav-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .nav-dropdown a {
            display: block;
            padding: 8px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-dropdown a:hover {
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.06);
            padding-left: 22px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: none;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-mid);
        }
        .hamburger:hover {
            border-color: var(--accent-green);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Body offset for fixed header */
        .page-body {
            padding-top: var(--header-height);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 500;
        }

        /* Category Banner */
        .category-banner {
            background: #10151c;
            border-bottom: 1px solid var(--border-color);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(60, 224, 138, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(60, 224, 138, 0.04) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }
        .category-banner .container {
            position: relative;
            z-index: 1;
        }
        .category-banner h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .category-banner .banner-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 760px;
        }

        /* Filter Toolbar */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-bottom: 32px;
        }
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
        }
        .filter-tag {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.06);
        }
        .filter-tag.active {
            background: rgba(60, 224, 138, 0.12);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .sort-btn {
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .sort-btn:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .sort-btn.active-sort {
            background: rgba(60, 224, 138, 0.12);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .filter-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            padding: 8px 14px;
            min-width: 220px;
            transition: border-color var(--transition-fast);
        }
        .filter-search:focus-within {
            border-color: var(--accent-green);
        }
        .filter-search input {
            flex: 1;
            border: none;
            background: none;
            outline: none;
            font-size: 15px;
            color: var(--text-primary);
            min-width: 0;
        }
        .filter-search input::placeholder {
            color: var(--text-muted);
        }
        .filter-search .search-icon {
            color: var(--text-muted);
            font-size: 15px;
            flex-shrink: 0;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-mid);
        }
        .news-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-card-img {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: 8px;
            overflow: hidden;
            background: #1c2128;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }
        .news-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .news-card-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .news-card-meta .category-tag {
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(60, 224, 138, 0.1);
            color: var(--accent-green);
            border: 1px solid rgba(60, 224, 138, 0.2);
        }
        .news-card-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin: 0;
            transition: color var(--transition-fast);
        }
        .news-card:hover .news-card-title {
            color: var(--accent-green);
        }
        .news-card-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
        }
        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .view-more-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 24px;
        }
        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-green);
            padding: 10px 24px;
            border: 1px solid rgba(60, 224, 138, 0.35);
            border-radius: 999px;
            transition: all var(--transition-fast);
        }
        .view-more-link:hover {
            background: rgba(60, 224, 138, 0.1);
            border-color: var(--accent-green);
            color: var(--accent-green-hover);
        }

        /* Hot Topics */
        .hot-topics {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hot-topic-card {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 999px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .hot-topic-card:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(60, 224, 138, 0.06);
            transform: translateY(-2px);
        }
        .hot-topic-card .topic-count {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 8px;
            border-radius: 999px;
        }

        /* Tools */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-mid);
            text-align: center;
        }
        .tool-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .tool-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(60, 224, 138, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 20px;
            color: var(--accent-green);
        }
        .tool-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .tool-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: #10151c;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(60, 224, 138, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(60, 224, 138, 0.05) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }
        .subscribe-cta .container-inner {
            position: relative;
            z-index: 1;
        }
        .subscribe-cta h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .subscribe-cta p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: var(--radius-input);
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            font-size: 15px;
            color: var(--text-primary);
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--accent-green);
            box-shadow: var(--focus-ring);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        /* Related Reading */
        .related-reading-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .related-card .rc-date {
            font-size: 13px;
            color: var(--text-muted);
        }
        .related-card h4 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
        }
        .related-card:hover h4 {
            color: var(--accent-green);
        }
        .related-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .related-card .rc-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            transition: all var(--transition-fast);
        }
        .related-card .rc-link:hover {
            color: var(--accent-green-hover);
        }

        /* Footer */
        .site-footer {
            background: #0a0e13;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-green);
            padding-left: 4px;
        }
        .footer-col p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-subscribe input[type="email"] {
            flex: 1;
            min-width: 140px;
            padding: 10px 14px;
            border-radius: var(--radius-input);
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .footer-subscribe input[type="email"]:focus {
            border-color: var(--accent-green);
        }
        .footer-subscribe input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
        }
        .copyright {
            font-size: 14px;
            color: var(--text-muted);
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
        }
        .legal-links a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .legal-links a:hover {
            color: var(--accent-green);
        }
        .legal-links .separator {
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .container {
                padding: 0 20px;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 992px) {
            .main-nav {
                gap: 2px;
            }
            .nav-item {
                padding: 8px 10px;
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card-img {
                width: 100%;
                height: 200px;
            }
            .related-reading-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-space-desktop: 40px;
            }
            .hamburger {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: var(--bg-primary);
                border-bottom: 1px solid var(--border-color);
                padding: 12px 16px;
                gap: 2px;
                box-shadow: var(--shadow-card);
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-item {
                width: 100%;
                justify-content: space-between;
                padding: 12px 14px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-item .arrow {
                font-size: 10px;
            }
            .nav-dropdown {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                min-width: auto;
                background: transparent;
                border: none;
                padding: 0 0 0 16px;
                box-shadow: none;
                display: none;
                width: 100%;
            }
            .nav-item.dropdown-open .nav-dropdown {
                display: block;
            }
            .nav-dropdown a {
                padding: 8px 14px;
                font-size: 14px;
            }
            .category-banner {
                padding: 32px 0 28px;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .category-banner .banner-desc {
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .filter-sort {
                margin-left: 0;
            }
            .filter-search {
                min-width: auto;
                width: 100%;
            }
            .tools-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .related-reading-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: auto;
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .category-banner h1 {
                font-size: 24px;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .news-card {
                padding: 14px;
            }
            .news-card-img {
                height: 160px;
            }
            .news-card-title {
                font-size: 17px;
            }
            .news-card-excerpt {
                font-size: 14px;
            }
            .subscribe-cta {
                padding: 28px 18px;
            }
            .subscribe-cta h3 {
                font-size: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .legal-links {
                justify-content: center;
            }
        }