/* roulang page: index */
:root {
            --bg-primary: #0A0E17;
            --bg-secondary: #0F1523;
            --bg-card: #111A2B;
            --bg-card-hover: #162235;
            --bg-elevated: #1A2638;
            --accent-lime: #A3E635;
            --accent-lime-dim: #7CB82A;
            --accent-orange: #FB923C;
            --accent-orange-dim: #E07A2A;
            --accent-magenta: #E84D8A;
            --text-primary: #F8FAFC;
            --text-secondary: #C3CEDE;
            --text-muted: #8CA3BD;
            --text-faint: #5E7189;
            --border-subtle: rgba(148, 163, 184, 0.16);
            --border-hover: rgba(163, 230, 53, 0.45);
            --border-strong: rgba(163, 230, 53, 0.65);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.42);
            --shadow-lg: 0 14px 44px rgba(0, 0, 0, 0.55);
            --shadow-glow-lime: 0 0 24px rgba(163, 230, 53, 0.18);
            --shadow-glow-orange: 0 0 20px rgba(251, 146, 60, 0.15);
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --spacing-3xl: 100px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.42s ease;
            --focus-ring: 0 0 0 3px rgba(163, 230, 53, 0.4);
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.65;
            letter-spacing: 0.015em;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        a:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

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

        button {
            cursor: pointer;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.98);
            border-bottom-color: var(--border-hover);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--spacing-sm);
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-orange));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            color: #0A0E17;
            letter-spacing: -0.5px;
            box-shadow: var(--shadow-glow-lime);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

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

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

        .nav-item {
            position: relative;
            padding: 8px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .nav-item:hover {
            color: var(--accent-lime);
            background: var(--bg-card);
        }

        .nav-item.active {
            color: var(--accent-lime);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
        }

        .nav-item .caret {
            font-size: 10px;
            margin-left: 4px;
            transition: transform var(--transition-fast);
            display: inline-block;
        }

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

        .nav-dropdown {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 210px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-xs);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
            box-shadow: var(--shadow-lg);
            z-index: 1001;
        }

        .nav-item:hover .nav-dropdown,
        .nav-item:focus-within .nav-dropdown {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(4px);
        }

        .nav-dropdown a {
            display: block;
            padding: 10px 14px;
            font-size: 13.5px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-dropdown a:hover {
            color: var(--accent-lime);
            background: var(--bg-card);
        }

        .nav-dropdown .dropdown-label {
            display: block;
            padding: 6px 14px 8px;
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-faint);
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 4px;
        }

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

        .btn-nav {
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: #0A0E17;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
            box-shadow: var(--shadow-glow-lime);
        }

        .btn-nav:hover {
            transform: translateY(-2px);
            filter: brightness(1.08);
            box-shadow: 0 0 32px rgba(163, 230, 53, 0.3);
            color: #0A0E17;
        }

        .btn-nav:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--bg-card);
        }

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

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

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

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

        .mobile-menu {
            display: none;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) var(--spacing-md);
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

        .mobile-menu.open {
            max-height: 420px;
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
        }

        .mobile-menu a {
            display: block;
            padding: 14px 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-subtle);
            transition: color var(--transition-fast);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

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

        /* Hero */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            padding: var(--spacing-2xl) 0;
            background:
                linear-gradient(180deg, rgba(10, 14, 23, 0.75) 0%, rgba(10, 14, 23, 0.92) 60%, var(--bg-primary) 100%),
                url('/assets/images/8019ad9dbf3bcc40.webp') center center / cover no-repeat;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(163, 230, 53, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 60%, rgba(251, 146, 60, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            width: 100%;
        }

        .hero-content {
            flex: 1.2;
            max-width: 640px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(163, 230, 53, 0.12);
            border: 1px solid var(--border-strong);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-lime);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.04em;
            animation: pulse-badge 2.4s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 12px rgba(163, 230, 53, 0.2);
            }
            50% {
                box-shadow: 0 0 26px rgba(163, 230, 53, 0.4);
            }
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-lime);
            border-radius: 50%;
            animation: blink-dot 1.4s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero h1 {
            font-size: clamp(36px, 5.5vw, 60px);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-orange));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-desc {
            font-size: 16.5px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
        }

        .btn-primary {
            padding: 14px 30px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: #0A0E17;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
            box-shadow: var(--shadow-glow-lime);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            filter: brightness(1.08);
            box-shadow: 0 0 38px rgba(163, 230, 53, 0.35);
            color: #0A0E17;
        }

        .btn-primary:active {
            transform: translateY(-1px);
            filter: brightness(0.95);
            box-shadow: 0 0 18px rgba(163, 230, 53, 0.2);
        }

        .btn-secondary {
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-primary);
            transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            border-color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.08);
            transform: translateY(-3px);
            color: var(--accent-lime);
        }

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

        .hero-stats {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .hero-stat .stat-number {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-lime);
            letter-spacing: -0.02em;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-visual {
            flex: 0.9;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 380px;
            margin-left: auto;
        }

        .hero-card {
            background: rgba(17, 26, 43, 0.88);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-sm);
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-card .card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-xs);
            font-size: 12px;
            color: var(--text-faint);
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .hero-card .card-status {
            color: var(--accent-lime);
        }

        .hero-card .mini-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-card .mini-row:last-child {
            border-bottom: none;
        }

        .hero-card .team-name {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .hero-card .team-score {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-orange);
        }

        .hero-card .live-tag {
            color: var(--accent-lime);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.05em;
        }

        /* Section common */
        .section {
            padding: var(--spacing-2xl) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-lime);
            margin-bottom: var(--spacing-xs);
        }

        .section-header h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .section-header p {
            font-size: 15.5px;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 720px;
        }

        /* Data ticker */
        .data-ticker {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) 0;
            overflow: hidden;
        }

        .data-ticker .ticker-inner {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }

        .data-ticker .ticker-inner::-webkit-scrollbar {
            display: none;
        }

        .data-ticker .ticker-item {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 12px;
            background: var(--bg-card);
            border-radius: 50px;
            border: 1px solid var(--border-subtle);
        }

        .data-ticker .ticker-item .tick-label {
            font-weight: 600;
            color: var(--text-faint);
            letter-spacing: 0.03em;
        }

        .data-ticker .ticker-item .tick-value {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-lime);
        }

        .data-ticker .ticker-item .tick-value.orange {
            color: var(--accent-orange);
        }

        .data-ticker .ticker-item .tick-value.magenta {
            color: var(--accent-magenta);
        }

        /* Feature grid (asymmetric) */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: var(--spacing-md);
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-lime), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .feature-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow-lime);
        }

        .feature-card:hover::after {
            opacity: 1;
        }

        .feature-card .fc-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: rgba(163, 230, 53, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-lime);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.01em;
        }

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

        .feature-card .fc-link {
            display: inline-block;
            margin-top: var(--spacing-sm);
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-lime);
            transition: color var(--transition-fast);
        }

        .feature-card .fc-link:hover {
            color: var(--accent-orange);
        }

        .span-5 {
            grid-column: span 5;
        }
        .span-7 {
            grid-column: span 7;
        }
        .span-4 {
            grid-column: span 4;
        }
        .span-3 {
            grid-column: span 3;
        }
        .span-8 {
            grid-column: span 8;
        }
        .span-6 {
            grid-column: span 6;
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .scenario-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .scenario-card .sc-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(251, 146, 60, 0.13);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto var(--spacing-sm);
            color: var(--accent-orange);
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

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

        /* Demo section */
        .demo-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .demo-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .demo-text p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
        }

        .demo-visual {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .demo-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.75;
        }

        .demo-visual .demo-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-md);
            background: linear-gradient(transparent, rgba(10, 14, 23, 0.9));
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Case cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .case-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .case-card .case-cover {
            height: 170px;
            background: var(--bg-elevated);
            position: relative;
            overflow: hidden;
        }

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

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

        .case-card .case-cover .case-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: rgba(10, 14, 23, 0.8);
            border: 1px solid var(--border-strong);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-lime);
        }

        .case-card .case-body {
            padding: var(--spacing-md);
        }

        .case-card .case-body h3 {
            font-size: 16.5px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .case-card .case-body p {
            font-size: 13.5px;
            line-height: 1.6;
            color: var(--text-muted);
        }

        /* Brand intro */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .brand-intro::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(163, 230, 53, 0.07), transparent 70%);
            pointer-events: none;
        }

        .brand-intro .bi-text h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .brand-intro .bi-text p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
        }

        .brand-intro .bi-text .bi-highlight {
            color: var(--accent-lime);
            font-weight: 600;
        }

        .brand-intro .bi-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

        .brand-intro .bi-stat {
            flex: 1;
            min-width: 130px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm);
            text-align: center;
        }

        .brand-intro .bi-stat .bi-number {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-lime);
            letter-spacing: -0.02em;
        }

        .brand-intro .bi-stat .bi-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            align-items: stretch;
        }

        .price-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
        }

        .price-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .price-card.featured {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow-lime);
            background: var(--bg-card-hover);
        }

        .price-card .price-badge {
            position: absolute;
            top: -12px;
            right: 16px;
            padding: 4px 14px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-orange));
            color: #0A0E17;
            font-size: 12px;
            font-weight: 700;
            border-radius: 50px;
            letter-spacing: 0.03em;
        }

        .price-card .plan-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-xs);
        }

        .price-card .plan-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
        }

        .price-card .plan-price span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-faint);
            font-family: var(--font-sans);
        }

        .price-card .plan-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
            line-height: 1.6;
        }

        .price-card .plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 var(--spacing-md);
            flex: 1;
        }

        .price-card .plan-features li {
            font-size: 13.5px;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-card .plan-features li::before {
            content: '✓';
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 14px;
        }

        .price-card .btn-plan {
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-md);
            text-align: center;
            transition: transform var(--transition-fast), filter var(--transition-fast);
        }

        .price-card .btn-plan.lime {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: #0A0E17;
            box-shadow: var(--shadow-glow-lime);
        }

        .price-card .btn-plan.lime:hover {
            transform: translateY(-2px);
            filter: brightness(1.08);
            color: #0A0E17;
        }

        .price-card .btn-plan.outline {
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            background: transparent;
        }

        .price-card .btn-plan.outline:hover {
            border-color: var(--accent-lime);
            color: var(--accent-lime);
            transform: translateY(-2px);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .testimonial-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }

        .testimonial-card .t-stars {
            color: var(--accent-orange);
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: var(--spacing-xs);
        }

        .testimonial-card .t-text {
            font-size: 14.5px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-sm);
            font-style: italic;
        }

        .testimonial-card .t-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .t-avatar {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-lime);
            border: 1px solid var(--border-subtle);
            flex-shrink: 0;
        }

        .testimonial-card .t-name {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-card .t-role {
            font-size: 12px;
            color: var(--text-faint);
        }

        /* Community */
        .community-feed {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
        }

        .community-post {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            display: flex;
            gap: var(--spacing-sm);
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .community-post:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .community-post .cp-rank {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 800;
            color: var(--accent-orange);
            min-width: 32px;
            text-align: center;
        }

        .community-post .cp-content {
            flex: 1;
        }

        .community-post .cp-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .community-post .cp-meta {
            font-size: 13px;
            color: var(--text-faint);
        }

        .community-post .cp-tag {
            display: inline-block;
            padding: 2px 10px;
            background: rgba(163, 230, 53, 0.1);
            border: 1px solid rgba(163, 230, 53, 0.3);
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-lime);
            margin-top: 6px;
        }

        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .news-item {
            display: flex;
            gap: var(--spacing-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: var(--spacing-sm);
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .news-item:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .news-item .news-thumb {
            width: 110px;
            min-width: 110px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-elevated);
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-item .news-title {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-date {
            font-size: 12px;
            color: var(--text-faint);
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 70%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(163, 230, 53, 0.08), transparent 65%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto var(--spacing-md);
            position: relative;
            z-index: 2;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* Calendar + Tools */
        .calendar-tools {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
        }

        .calendar-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
        }

        .calendar-panel h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .calendar-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .calendar-row .cal-date {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-lime);
            min-width: 72px;
        }

        .calendar-row .cal-match {
            flex: 1;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 0 var(--spacing-sm);
        }

        .calendar-row .cal-league {
            font-size: 12px;
            color: var(--text-faint);
            font-weight: 600;
        }

        .tools-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
        }

        .tools-panel h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .tool-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-xs);
        }

        .tool-item {
            padding: 12px 14px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: border-color var(--transition-fast), color var(--transition-fast);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .tool-item:hover {
            border-color: var(--border-hover);
            color: var(--accent-lime);
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-xs);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

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

        .faq-item .faq-question {
            padding: var(--spacing-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            transition: color var(--transition-fast);
            user-select: none;
        }

        .faq-item .faq-question:hover {
            color: var(--accent-lime);
        }

        .faq-item .faq-question .faq-icon {
            font-size: 18px;
            color: var(--accent-lime);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            display: none;
        }

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

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item.open .faq-question {
            color: var(--accent-lime);
        }

        /* Partners */
        .partner-wall {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
        }

        .partner-logo {
            padding: 16px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            cursor: default;
            user-select: none;
        }

        .partner-logo:hover {
            border-color: var(--accent-lime);
            color: var(--accent-lime);
            transform: translateY(-2px);
        }

        /* Form */
        .subscribe-form {
            display: flex;
            gap: var(--spacing-xs);
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 14px 18px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-faint);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--border-strong);
            box-shadow: var(--focus-ring);
        }

        .subscribe-form input[type="email"].error {
            border-color: var(--accent-magenta);
            box-shadow: 0 0 0 3px rgba(232, 77, 138, 0.25);
        }

        .subscribe-form .btn-submit {
            padding: 14px 24px;
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: #0A0E17;
            white-space: nowrap;
            transition: transform var(--transition-fast), filter var(--transition-fast);
            box-shadow: var(--shadow-glow-lime);
        }

        .subscribe-form .btn-submit:hover {
            transform: translateY(-2px);
            filter: brightness(1.08);
        }

        .subscribe-form .btn-submit:active {
            transform: translateY(0);
        }

        .form-error-msg {
            font-size: 12px;
            color: var(--accent-magenta);
            margin-top: 6px;
            display: none;
        }

        .form-error-msg.visible {
            display: block;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            display: block;
            margin-bottom: var(--spacing-xs);
        }

        .footer-brand .footer-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13.5px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-faint);
        }

        .footer-bottom .copyright {
            font-weight: 500;
        }

        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-bottom .footer-links a {
            color: var(--text-faint);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom .footer-links .separator {
            color: var(--text-faint);
            opacity: 0.5;
        }

        .footer-beian {
            font-size: 12px;
            color: var(--text-faint);
            line-height: 1.6;
            margin-top: var(--spacing-xs);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --spacing-xl: 48px;
                --spacing-2xl: 56px;
                --spacing-3xl: 72px;
            }

            .hero-inner {
                flex-direction: column;
                gap: var(--spacing-lg);
                text-align: center;
            }

            .hero-content {
                max-width: 100%;
            }

            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-stats {
                justify-content: center;
            }

            .hero-visual {
                max-width: 100%;
                margin-left: 0;
                width: 100%;
            }

            .span-5,
            .span-7,
            .span-4,
            .span-3,
            .span-8,
            .span-6 {
                grid-column: span 12;
            }

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

            .brand-intro {
                grid-template-columns: 1fr;
                padding: var(--spacing-lg);
            }

            .demo-showcase {
                grid-template-columns: 1fr;
            }

            .community-feed,
            .news-list,
            .calendar-tools {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            :root {
                --spacing-md: 18px;
                --spacing-lg: 28px;
                --spacing-xl: 40px;
                --spacing-2xl: 48px;
                --spacing-3xl: 56px;
            }

            .header-inner {
                height: 58px;
            }

            .nav-desktop {
                display: none;
            }

            .nav-cta .btn-nav {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-menu {
                display: block;
            }

            .hero {
                min-height: auto;
                padding: var(--spacing-xl) 0;
            }

            .hero h1 {
                font-size: clamp(28px, 6vw, 40px);
            }

            .hero-desc {
                font-size: 15px;
            }

            .section {
                padding: var(--spacing-xl) 0;
            }

            .scenario-grid,
            .case-grid,
            .testimonial-grid,
            .pricing-grid {
                grid-template-columns: 1fr;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-brand .footer-desc {
                max-width: 100%;
            }

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

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form .btn-submit {
                width: 100%;
            }

            .demo-visual {
                min-height: 220px;
            }

            .brand-intro {
                padding: var(--spacing-md);
            }

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

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .hero-card .mini-row {
                font-size: 12px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .news-item {
                flex-direction: column;
            }

            .news-item .news-thumb {
                width: 100%;
                min-width: 100%;
                height: 140px;
            }

            .partner-logo {
                padding: 12px 18px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A0E17;
            --bg-secondary: #0F1523;
            --bg-card: #111A2B;
            --bg-card-hover: #162235;
            --bg-elevated: #1A2638;
            --accent-lime: #A3E635;
            --accent-lime-dim: #7CB82A;
            --accent-orange: #FB923C;
            --accent-orange-dim: #E07A2A;
            --accent-magenta: #E84D8A;
            --text-primary: #F8FAFC;
            --text-secondary: #C3CEDE;
            --text-muted: #8CA3BD;
            --text-faint: #5E7189;
            --border-subtle: rgba(148, 163, 184, 0.16);
            --border-hover: rgba(163, 230, 53, 0.45);
            --border-strong: rgba(163, 230, 53, 0.65);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.42);
            --shadow-lg: 0 14px 44px rgba(0, 0, 0, 0.55);
            --shadow-glow-lime: 0 0 24px rgba(163, 230, 53, 0.18);
            --shadow-glow-orange: 0 0 20px rgba(251, 146, 60, 0.15);
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --spacing-3xl: 88px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.42s ease;
            --focus-ring: 0 0 0 3px rgba(163, 230, 53, 0.4);
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.65;
            letter-spacing: 0.015em;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        a:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

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

        button {
            cursor: pointer;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.98);
            border-bottom-color: var(--border-hover);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--spacing-sm);
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-orange));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--bg-primary);
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            color: var(--text-primary);
        }

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

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

        .nav-item {
            position: relative;
        }

        .nav-item>a {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .nav-item>a:hover {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.08);
        }

        .nav-item>a.active {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.12);
        }

        .caret {
            font-size: 9px;
            transition: transform var(--transition-fast);
        }

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

        .dropdown-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 180px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 8px;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-base);
            z-index: 100;
        }

        .nav-item:hover .dropdown-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(4px);
        }

        .dropdown-panel a {
            display: block;
            padding: 9px 14px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .dropdown-panel a:hover {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.08);
        }

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

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav:hover {
            color: var(--bg-primary);
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow-lime);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            align-items: center;
            justify-content: center;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            padding: 8px 0 16px;
            border-top: 1px solid var(--border-subtle);
            background: var(--bg-secondary);
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            border-radius: 0;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.06);
        }

        .mobile-menu a.active {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.1);
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--text-faint);
            font-size: 12px;
        }

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

        /* Category Header */
        .category-header {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-subtle);
        }

        .category-header-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .category-header-info h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.01em;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }

        .category-header-info h1 .highlight {
            color: var(--accent-lime);
        }

        .category-header-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 520px;
        }

        .category-header-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-md);
        }

        .stat-block {
            text-align: center;
            padding: var(--spacing-xs) var(--spacing-sm);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--accent-lime);
            line-height: 1.1;
            letter-spacing: 0.02em;
        }

        .stat-number.orange {
            color: var(--accent-orange);
        }

        .stat-number.magenta {
            color: var(--accent-magenta);
        }

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

        /* Section Common */
        .section {
            padding: var(--spacing-xl) 0;
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-alt {
            background: var(--bg-secondary);
        }

        .section:last-of-type {
            border-bottom: none;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .section-title {
            font-size: clamp(20px, 2.5vw, 28px);
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title .accent-line {
            width: 4px;
            height: 24px;
            background: linear-gradient(180deg, var(--accent-lime), var(--accent-orange));
            border-radius: 2px;
            display: inline-block;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 380px;
            line-height: 1.5;
        }

        .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-lime);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .section-link:hover {
            color: var(--accent-lime-dim);
            gap: 10px;
        }

        /* Match Cards Grid */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .match-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-lime), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

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

        .match-card:hover::before {
            opacity: 1;
        }

        .match-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xs);
            margin-bottom: var(--spacing-sm);
        }

        .match-league {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .match-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .match-status.upcoming {
            background: rgba(251, 146, 60, 0.12);
            color: var(--accent-orange);
            border: 1px solid rgba(251, 146, 60, 0.3);
        }

        .match-status.live {
            background: rgba(232, 77, 138, 0.12);
            color: var(--accent-magenta);
            border: 1px solid rgba(232, 77, 138, 0.3);
            animation: pulse-live 2s infinite;
        }

        .match-status.completed {
            background: rgba(163, 230, 53, 0.1);
            color: var(--accent-lime);
            border: 1px solid rgba(163, 230, 53, 0.25);
        }

        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
        }

        .team {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            min-width: 0;
        }

        .team:last-child {
            justify-content: flex-end;
        }

        .team-avatar {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-secondary);
            flex-shrink: 0;
            overflow: hidden;
        }

        .team-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .team-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .vs {
            font-size: 14px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--text-faint);
            flex-shrink: 0;
            padding: 0 8px;
        }

        .match-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xs);
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-muted);
        }

        .match-time {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .match-time i {
            font-size: 12px;
            color: var(--text-faint);
        }

        .match-score {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 14px;
            color: var(--accent-lime);
        }

        /* Calendar Section */
        .calendar-wrapper {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
        }

        .calendar-row {
            display: grid;
            grid-template-columns: 80px 1fr;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-subtle);
            align-items: center;
        }

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

        .calendar-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--bg-elevated);
            border-radius: var(--radius-sm);
            padding: 8px 6px;
        }

        .calendar-day {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent-lime);
            line-height: 1;
            font-family: var(--font-mono);
        }

        .calendar-month {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .calendar-events {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .calendar-event {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            background: var(--bg-secondary);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .calendar-event:hover {
            background: var(--bg-card-hover);
            color: var(--text-primary);
        }

        .calendar-event-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-lime);
            flex-shrink: 0;
        }

        .calendar-event-dot.orange {
            background: var(--accent-orange);
        }

        .calendar-event-dot.magenta {
            background: var(--accent-magenta);
        }

        .calendar-event-time {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
            flex-shrink: 0;
            min-width: 50px;
        }

        .calendar-event-text {
            flex: 1;
            min-width: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* League Grid */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-sm);
        }

        .league-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: all var(--transition-base);
            cursor: default;
        }

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

        .league-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-xs);
            font-size: 24px;
            color: var(--accent-lime);
        }

        .league-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .league-count {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Data Summary */
        .data-summary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .data-summary-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
        }

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

        .data-summary-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .data-summary-card h3 i {
            color: var(--accent-lime);
            font-size: 14px;
        }

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

        .data-highlight {
            display: inline-block;
            padding: 2px 8px;
            background: rgba(163, 230, 53, 0.1);
            border-radius: 4px;
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent-lime);
            font-weight: 600;
            margin-top: 6px;
        }

        /* News List */
        .news-list-compact {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .news-item-compact {
            display: grid;
            grid-template-columns: 64px 1fr auto;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            align-items: center;
        }

        .news-item-compact:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
        }

        .news-thumb-compact {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-thumb-compact img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-info-compact {
            min-width: 0;
        }

        .news-info-compact h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-info-compact p {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-tag {
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 20px;
            background: rgba(251, 146, 60, 0.1);
            color: var(--accent-orange);
            font-weight: 500;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-primary);
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.06), rgba(251, 146, 60, 0.04));
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg) var(--spacing-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content h2 {
            font-size: clamp(20px, 2.5vw, 26px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            position: relative;
            z-index: 1;
        }

        .cta-content p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 480px;
            position: relative;
            z-index: 1;
        }

        .cta-form {
            display: flex;
            gap: var(--spacing-xs);
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

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

        .cta-form input:focus {
            border-color: var(--border-strong);
            box-shadow: var(--focus-ring);
            background: var(--bg-card-hover);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary:hover {
            color: var(--bg-primary);
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-lime);
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            background: transparent;
            border: 1px solid var(--border-hover);
            color: var(--accent-lime);
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: var(--border-strong);
            background: rgba(163, 230, 53, 0.06);
            color: var(--accent-lime);
            box-shadow: var(--shadow-glow-lime);
        }

        .form-error {
            color: var(--accent-magenta);
            font-size: 12px;
            margin-top: 4px;
            display: none;
        }

        .form-error.show {
            display: block;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-lg) 0 var(--spacing-sm);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid var(--border-subtle);
        }

        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            display: inline-block;
            margin-bottom: var(--spacing-xs);
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            flex-wrap: wrap;
        }

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

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

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

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

        .footer-links .separator {
            color: var(--text-faint);
        }

        .footer-beian {
            font-size: 12px;
            color: var(--text-faint);
            padding-top: var(--spacing-xs);
            text-align: center;
            letter-spacing: 0.02em;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 0;
            }

            .nav-item>a {
                padding: 8px 10px;
                font-size: 14px;
            }

            .dropdown-panel {
                min-width: 150px;
            }

            .category-header-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .category-header-stats {
                max-width: 400px;
            }

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

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

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .header-inner {
                height: 60px;
            }

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

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

            .data-summary-grid {
                grid-template-columns: 1fr;
            }

            .cta-box {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .calendar-row {
                grid-template-columns: 64px 1fr;
                gap: 8px;
            }

            .calendar-day {
                font-size: 16px;
            }

            .news-item-compact {
                grid-template-columns: 52px 1fr;
            }

            .news-thumb-compact {
                width: 52px;
                height: 40px;
            }

            .news-tag {
                display: none;
            }

            .btn-nav {
                padding: 6px 12px;
                font-size: 13px;
            }

            .category-header {
                padding: var(--spacing-lg) 0;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 16px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .category-header-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 4px;
                padding: var(--spacing-sm);
            }

            .stat-number {
                font-size: 22px;
            }

            .stat-label {
                font-size: 11px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

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

            .match-card {
                padding: var(--spacing-sm);
            }

            .team-avatar {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }

            .team-name {
                font-size: 13px;
            }

            .cta-form input {
                min-width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0E17;
            --bg-secondary: #0F1523;
            --bg-card: #111A2B;
            --bg-card-hover: #162235;
            --bg-elevated: #1A2638;
            --accent-lime: #A3E635;
            --accent-lime-dim: #7CB82A;
            --accent-orange: #FB923C;
            --accent-orange-dim: #E07A2A;
            --accent-magenta: #E84D8A;
            --text-primary: #F8FAFC;
            --text-secondary: #C3CEDE;
            --text-muted: #8CA3BD;
            --text-faint: #5E7189;
            --border-subtle: rgba(148, 163, 184, 0.16);
            --border-hover: rgba(163, 230, 53, 0.45);
            --border-strong: rgba(163, 230, 53, 0.65);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.42);
            --shadow-lg: 0 14px 44px rgba(0, 0, 0, 0.55);
            --shadow-glow-lime: 0 0 24px rgba(163, 230, 53, 0.18);
            --shadow-glow-orange: 0 0 20px rgba(251, 146, 60, 0.15);
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 48px;
            --spacing-2xl: 56px;
            --spacing-3xl: 72px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.42s ease;
            --focus-ring: 0 0 0 3px rgba(163, 230, 53, 0.4);
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.65;
            letter-spacing: 0.015em;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-lime);
        }
        a:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.98);
            border-bottom-color: var(--border-hover);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--spacing-sm);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-orange));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--bg-primary);
            letter-spacing: 0;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .nav-item {
            position: relative;
        }
        .nav-item > a {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 14px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .nav-item > a:hover {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.06);
        }
        .nav-item.active > a {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.08);
        }
        .nav-item .caret {
            font-size: 9px;
            transition: transform var(--transition-fast);
        }
        .nav-item:hover .caret {
            transform: rotate(180deg);
        }
        .dropdown {
            position: absolute;
            top: calc(100% + 6px);
            left: 0;
            min-width: 180px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 8px;
            display: flex;
            flex-direction: column;
            gap: 2px;
            opacity: 0;
            pointer-events: none;
            transform: translateY(8px);
            transition: opacity var(--transition-base), transform var(--transition-base);
            box-shadow: var(--shadow-md);
            z-index: 100;
        }
        .nav-item:hover .dropdown,
        .nav-item:focus-within .dropdown {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .dropdown a {
            padding: 8px 12px;
            font-size: 14px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .dropdown a:hover {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.06);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--accent-lime);
            color: var(--bg-primary);
            border-radius: var(--radius-md);
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav:hover {
            background: #b8f04a;
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow-lime);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: background var(--transition-fast), transform var(--transition-fast), width var(--transition-fast);
        }
        .nav-toggle:hover span {
            background: var(--accent-lime);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: rgba(10, 14, 23, 0.98);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px var(--spacing-md) 20px;
            gap: 4px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            padding: 10px 12px;
            font-size: 15px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.06);
        }
        .mobile-nav .mobile-group-title {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-faint);
            padding: 14px 12px 4px;
        }

        /* Hero variant for category page */
        .page-hero {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.07), transparent 70%);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-lime);
        }
        .breadcrumb .sep {
            color: var(--text-faint);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text-secondary);
        }
        .page-hero h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: 0.01em;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
        }
        .page-hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-orange));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Section base */
        .section {
            padding: var(--spacing-2xl) 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section .container {
            position: relative;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .section-head .heading-group {
            flex: 1;
            min-width: 280px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 0.01em;
            line-height: 1.35;
            margin-bottom: 8px;
        }
        .section-head h2 .accent {
            color: var(--accent-lime);
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 600px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid rgba(163, 230, 53, 0.22);
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-lime);
            flex-shrink: 0;
        }

        /* Stats summary bar */
        .stats-summary-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .stat-summary-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .stat-summary-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
        }
        .stat-summary-item .stat-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(163, 230, 53, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .stat-summary-item .stat-info {
            flex: 1;
        }
        .stat-summary-item .stat-value {
            font-size: 22px;
            font-weight: 800;
            font-family: var(--font-mono);
            line-height: 1.2;
            color: var(--text-primary);
        }
        .stat-summary-item .stat-value .unit {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-muted);
            margin-left: 3px;
        }
        .stat-summary-item .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Cards grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .cards-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }
        .cards-grid.four-col {
            grid-template-columns: repeat(4, 1fr);
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .data-card .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--bg-elevated);
        }
        .data-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .data-card:hover .card-image img {
            transform: scale(1.04);
        }
        .data-card .card-image .overlay-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(10, 14, 23, 0.85);
            backdrop-filter: blur(6px);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
            color: var(--accent-lime);
        }
        .data-card .card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .data-card .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
        }
        .data-card .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .data-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: auto;
            padding-top: 8px;
        }
        .data-card .card-meta .chip {
            padding: 4px 10px;
            font-size: 12px;
            border-radius: 999px;
            background: rgba(148, 163, 184, 0.1);
            border: 1px solid var(--border-subtle);
            color: var(--text-muted);
        }
        .data-card .card-meta .chip.hot {
            background: rgba(251, 146, 60, 0.08);
            border-color: rgba(251, 146, 60, 0.28);
            color: var(--accent-orange);
        }

        /* Rank list */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .rank-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
        }
        .rank-position {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 15px;
            flex-shrink: 0;
            background: rgba(148, 163, 184, 0.1);
            color: var(--text-secondary);
        }
        .rank-item.top-1 .rank-position {
            background: rgba(163, 230, 53, 0.15);
            color: var(--accent-lime);
            box-shadow: 0 0 12px rgba(163, 230, 53, 0.15);
        }
        .rank-item.top-2 .rank-position {
            background: rgba(251, 146, 60, 0.12);
            color: var(--accent-orange);
        }
        .rank-item.top-3 .rank-position {
            background: rgba(232, 77, 138, 0.12);
            color: var(--accent-magenta);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-name {
            font-size: 15px;
            font-weight: 700;
        }
        .rank-sub {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 1px;
        }
        .rank-stats {
            display: flex;
            gap: 16px;
            flex-shrink: 0;
        }
        .rank-stat {
            text-align: right;
        }
        .rank-stat .r-value {
            font-family: var(--font-mono);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .rank-stat .r-label {
            font-size: 11px;
            color: var(--text-faint);
            letter-spacing: 0.04em;
        }

        /* Trend bars */
        .trend-bars {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .trend-bar-group .trend-label-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 6px;
        }
        .trend-bar-group .trend-name {
            font-size: 14px;
            font-weight: 600;
        }
        .trend-bar-group .trend-value {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--accent-lime);
            font-weight: 700;
        }
        .trend-bar {
            height: 8px;
            background: rgba(148, 163, 184, 0.1);
            border-radius: 999px;
            overflow: hidden;
        }
        .trend-bar .fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent-lime-dim), var(--accent-lime));
            transition: width var(--transition-slow);
        }
        .trend-bar .fill.orange {
            background: linear-gradient(90deg, var(--accent-orange-dim), var(--accent-orange));
        }
        .trend-bar .fill.magenta {
            background: linear-gradient(90deg, #c73d73, var(--accent-magenta));
        }

        /* Tool cards */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
        }
        .tool-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .tool-card .tool-icon {
            font-size: 26px;
            line-height: 1;
        }
        .tool-card .tool-name {
            font-size: 15px;
            font-weight: 700;
        }
        .tool-card .tool-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .scenario-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
        }
        .scenario-card .scenario-index {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-lime);
            letter-spacing: 0.06em;
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-fast);
        }
        .news-list-item:first-child {
            padding-top: 0;
        }
        .news-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .news-list-item .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-faint);
            flex-shrink: 0;
            width: 82px;
        }
        .news-list-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
        }
        .news-list-item .news-tag {
            display: inline-block;
            padding: 2px 8px;
            font-size: 11px;
            border-radius: 999px;
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid rgba(163, 230, 53, 0.2);
            color: var(--accent-lime);
            margin-left: 8px;
            vertical-align: middle;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-2xl) 0;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.06), rgba(251, 146, 60, 0.04));
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-box .cta-text h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-box .cta-text p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 540px;
        }
        .cta-box .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            background: var(--accent-lime);
            color: var(--bg-primary);
            border-radius: var(--radius-md);
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #b8f04a;
            color: var(--bg-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-lime);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--border-hover);
            color: var(--accent-lime);
            transform: translateY(-2px);
        }

        /* More link */
        .more-link-wrap {
            display: flex;
            justify-content: center;
            margin-top: var(--spacing-lg);
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 600;
            background: transparent;
            color: var(--accent-lime);
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-md);
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
        }
        .btn-more:hover {
            background: rgba(163, 230, 53, 0.08);
            color: var(--accent-lime);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            display: block;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-lime);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 0;
            border-top: 1px solid var(--border-subtle);
            flex-wrap: wrap;
        }
        .copyright {
            font-size: 13px;
            color: var(--text-faint);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--accent-lime);
        }
        .footer-links .separator {
            color: var(--text-faint);
            font-size: 12px;
        }
        .footer-beian {
            font-size: 12px;
            color: var(--text-faint);
            padding-bottom: 20px;
            letter-spacing: 0.02em;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-summary-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid.four-col {
                grid-template-columns: repeat(2, 1fr);
            }
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-cta .btn-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-inner {
                height: 60px;
            }
            .page-hero {
                padding: var(--spacing-lg) 0;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .cards-grid.two-col {
                grid-template-columns: 1fr;
            }
            .cards-grid.four-col {
                grid-template-columns: 1fr;
            }
            .tool-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .stats-summary-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-summary-item {
                padding: 14px 16px;
                gap: 10px;
            }
            .stat-summary-item .stat-value {
                font-size: 18px;
            }
            .rank-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .rank-stats {
                width: 100%;
                justify-content: flex-start;
                gap: 20px;
            }
            .rank-stat {
                text-align: left;
            }
            .cta-box {
                padding: 28px 22px;
                flex-direction: column;
                text-align: center;
            }
            .cta-box .cta-text h2 {
                font-size: 22px;
            }
            .cta-box .cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }
            .section-head h2 {
                font-size: 21px;
            }
            .stats-summary-bar {
                grid-template-columns: 1fr;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .news-list-item .news-date {
                width: auto;
            }
            .cta-box .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-box .cta-actions a {
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0E17;
            --bg-secondary: #0F1523;
            --bg-card: #111A2B;
            --bg-card-hover: #162235;
            --bg-elevated: #1A2638;
            --accent-lime: #A3E635;
            --accent-lime-dim: #7CB82A;
            --accent-orange: #FB923C;
            --accent-orange-dim: #E07A2A;
            --accent-magenta: #E84D8A;
            --text-primary: #F8FAFC;
            --text-secondary: #C3CEDE;
            --text-muted: #8CA3BD;
            --text-faint: #5E7189;
            --border-subtle: rgba(148, 163, 184, 0.16);
            --border-hover: rgba(163, 230, 53, 0.45);
            --border-strong: rgba(163, 230, 53, 0.65);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.42);
            --shadow-lg: 0 14px 44px rgba(0, 0, 0, 0.55);
            --shadow-glow-lime: 0 0 24px rgba(163, 230, 53, 0.18);
            --shadow-glow-orange: 0 0 20px rgba(251, 146, 60, 0.15);
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.42s ease;
            --focus-ring: 0 0 0 3px rgba(163, 230, 53, 0.4);
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
            letter-spacing: 0.015em;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        a:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

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

        button {
            cursor: pointer;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.98);
            border-bottom-color: var(--border-hover);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--spacing-sm);
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-orange));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #0A0E17;
            letter-spacing: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .nav-item {
            position: relative;
            padding: 0 4px;
        }

        .nav-item>a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background-color var(--transition-fast);
            letter-spacing: 0.04em;
        }

        .nav-item>a:hover {
            color: var(--accent-lime);
            background-color: rgba(163, 230, 53, 0.07);
        }

        .nav-item.active>a {
            color: var(--accent-lime);
            background-color: rgba(163, 230, 53, 0.09);
            font-weight: 600;
        }

        .nav-item.active>a::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 2px;
            box-shadow: var(--shadow-glow-lime);
        }

        .caret {
            font-size: 9px;
            transition: transform var(--transition-fast);
            opacity: 0.7;
        }

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

        .nav-dropdown {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 8px;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
            box-shadow: var(--shadow-lg);
            z-index: 100;
        }

        .nav-item:hover .nav-dropdown {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .nav-dropdown a {
            display: block;
            padding: 9px 14px;
            font-size: 13px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .nav-dropdown a:hover {
            background-color: rgba(163, 230, 53, 0.08);
            color: var(--accent-lime);
            padding-left: 18px;
        }

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

        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 20px;
            font-size: 13px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: #0A0E17;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
            box-shadow: var(--shadow-glow-lime);
            white-space: nowrap;
        }

        .btn-nav:hover {
            background: linear-gradient(135deg, #B8F04A, var(--accent-lime));
            color: #0A0E17;
            box-shadow: 0 0 32px rgba(163, 230, 53, 0.3);
            transform: translateY(-1px);
        }

        .btn-nav:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow-lime);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            transition: border-color var(--transition-fast);
        }

        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle:hover {
            border-color: var(--border-hover);
        }

        .mobile-menu {
            display: none;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) 0;
        }

        .mobile-menu a {
            display: block;
            padding: 12px var(--spacing-md);
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(148, 163, 184, 0.06);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .mobile-menu a:hover {
            color: var(--accent-lime);
            background-color: rgba(163, 230, 53, 0.05);
            padding-left: 28px;
        }

        .mobile-menu a.active {
            color: var(--accent-lime);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: relative;
            z-index: 10;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-separator {
            color: var(--text-faint);
            font-size: 11px;
            user-select: none;
        }

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

        /* Page Header */
        .page-header {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(180deg, rgba(15, 21, 35, 0.6) 0%, transparent 100%);
        }

        .page-header-inner {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .page-header-text {
            flex: 1;
            min-width: 280px;
        }

        .page-header-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.1);
            border: 1px solid rgba(163, 230, 53, 0.25);
            border-radius: 999px;
            padding: 5px 14px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .page-header-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent-lime);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
        }

        .page-header h1 {
            font-size: clamp(32px, 5vw, 44px);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
        }

        .page-header .subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

        .page-header-stats {
            display: flex;
            gap: var(--spacing-md);
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .header-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            min-width: 110px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .header-stat:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-glow-lime);
            transform: translateY(-2px);
        }

        .header-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--accent-lime);
            line-height: 1.2;
        }

        .header-stat .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.05em;
        }

        /* Section Base */
        section {
            padding: var(--spacing-xl) 0;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .section-title {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: '';
            width: 4px;
            height: 24px;
            background: linear-gradient(180deg, var(--accent-lime), var(--accent-orange));
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-subtitle {
            font-size: 14px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent-lime);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
        }

        .section-link:hover {
            color: #B8F04A;
            gap: 10px;
        }

        .section-link .arrow {
            font-size: 14px;
            transition: transform var(--transition-fast);
        }

        .section-link:hover .arrow {
            transform: translateX(4px);
        }

        /* News List Main */
        .news-list-section {
            padding-top: var(--spacing-md);
        }

        .news-list-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: var(--spacing-md);
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

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

        .news-card.featured {
            grid-column: span 7;
            flex-direction: row;
        }

        .news-card.standard {
            grid-column: span 5;
        }

        .news-card.small {
            grid-column: span 4;
        }

        .news-card-image {
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-card.featured .news-card-image {
            width: 48%;
            min-height: 260px;
        }

        .news-card.standard .news-card-image {
            height: 200px;
        }

        .news-card.small .news-card-image {
            height: 160px;
        }

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

        .news-card:hover .news-card-image img {
            transform: scale(1.05);
        }

        .news-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(10, 14, 23, 0.85);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            color: var(--accent-lime);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.06em;
            z-index: 2;
        }

        .news-card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-faint);
            letter-spacing: 0.04em;
        }

        .news-card-meta .dot {
            width: 4px;
            height: 4px;
            background: var(--text-faint);
            border-radius: 50%;
        }

        .news-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

        .news-card:hover .news-card-title {
            color: var(--accent-lime);
        }

        .news-card.featured .news-card-title {
            font-size: 20px;
        }

        .news-card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
        }

        .news-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-orange);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: auto;
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
        }

        .news-card-link:hover {
            color: #FFA55C;
            gap: 8px;
        }

        /* Hot News */
        .hot-news-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .hot-news-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .hot-news-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .hot-news-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-sm);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .hot-rank {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 800;
            color: var(--text-faint);
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
            letter-spacing: 0;
        }

        .hot-news-item:nth-child(1) .hot-rank {
            color: var(--accent-orange);
        }

        .hot-news-item:nth-child(2) .hot-rank {
            color: var(--accent-lime);
        }

        .hot-news-item:nth-child(3) .hot-rank {
            color: var(--accent-magenta);
        }

        .hot-news-info {
            flex: 1;
            min-width: 0;
        }

        .hot-news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .hot-news-item:hover .hot-news-title {
            color: var(--accent-lime);
        }

        .hot-news-meta {
            font-size: 12px;
            color: var(--text-faint);
            margin-top: 3px;
            letter-spacing: 0.03em;
        }

        /* Topic Recommend */
        .topic-recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .topic-card-image {
            height: 140px;
            overflow: hidden;
            position: relative;
        }

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

        .topic-card:hover .topic-card-image img {
            transform: scale(1.05);
        }

        .topic-card-badge {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: rgba(10, 14, 23, 0.8);
            border: 1px solid var(--border-subtle);
            color: var(--accent-orange);
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: 0.05em;
            z-index: 2;
        }

        .topic-card-body {
            padding: var(--spacing-sm);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .topic-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .topic-card:hover .topic-card-title {
            color: var(--accent-lime);
        }

        .topic-card-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Flash News */
        .flash-news-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .flash-news-wrap {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .flash-news-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            padding: 14px var(--spacing-sm);
            background: transparent;
            border-left: 3px solid var(--accent-lime);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            transition: all var(--transition-fast);
        }

        .flash-news-item:hover {
            background: var(--bg-card);
            border-left-color: var(--accent-orange);
        }

        .flash-news-time {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-lime);
            min-width: 50px;
            flex-shrink: 0;
            letter-spacing: 0.05em;
            padding-top: 2px;
        }

        .flash-news-content {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .flash-news-content strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Column Entry */
        .column-entry-section {
            padding-top: var(--spacing-md);
        }

        .column-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .column-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            display: flex;
            gap: var(--spacing-sm);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .column-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.15), rgba(251, 146, 60, 0.1));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .column-info {
            flex: 1;
        }

        .column-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }

        .column-card:hover .column-title {
            color: var(--accent-lime);
        }

        .column-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA / Subscribe */
        .subscribe-section {
            padding: var(--spacing-xl) 0;
        }

        .subscribe-wrapper {
            background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 60%, rgba(163, 230, 53, 0.05) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .subscribe-wrapper::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-text {
            flex: 1;
            min-width: 260px;
            z-index: 1;
        }

        .subscribe-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .subscribe-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            z-index: 1;
            flex-shrink: 0;
        }

        .subscribe-input {
            width: 260px;
            padding: 12px 16px;
            background: var(--bg-primary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

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

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

        .subscribe-input.error {
            border-color: #EF4444;
            box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3);
        }

        .btn-subscribe {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: #0A0E17;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
            box-shadow: var(--shadow-glow-lime);
            white-space: nowrap;
        }

        .btn-subscribe:hover {
            background: linear-gradient(135deg, #B8F04A, var(--accent-lime));
            box-shadow: 0 0 32px rgba(163, 230, 53, 0.3);
            transform: translateY(-1px);
        }

        .btn-subscribe:active {
            transform: translateY(0);
        }

        /* View More */
        .view-more-section {
            padding-top: var(--spacing-xs);
            text-align: center;
        }

        .btn-view-more {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-lime);
            background: transparent;
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.05em;
        }

        .btn-view-more:hover {
            background: rgba(163, 230, 53, 0.08);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow-lime);
            transform: translateY(-1px);
            color: #B8F04A;
        }

        .btn-view-more:active {
            transform: translateY(0);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-xl);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid var(--border-subtle);
        }

        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            display: block;
            margin-bottom: 8px;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.05em;
        }

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

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
        }

        .copyright {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

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

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

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

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

        .footer-beian {
            font-size: 11px;
            color: var(--text-faint);
            padding: var(--spacing-sm) 0;
            letter-spacing: 0.03em;
            border-top: 1px solid rgba(148, 163, 184, 0.06);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 0;
            }
            .nav-item>a {
                padding: 10px 10px;
                font-size: 13px;
            }
            .news-card.featured {
                grid-column: span 12;
                flex-direction: column;
            }
            .news-card.featured .news-card-image {
                width: 100%;
                min-height: 220px;
            }
            .news-card.standard {
                grid-column: span 6;
            }
            .news-card.small {
                grid-column: span 6;
            }
            .topic-recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
                flex-wrap: wrap;
            }
            .subscribe-input {
                flex: 1;
                min-width: 200px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-cta .btn-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
            .header-inner {
                height: 60px;
            }
            .page-header {
                padding: var(--spacing-lg) 0 var(--spacing-md);
            }
            .page-header-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }
            .page-header-stats {
                width: 100%;
                justify-content: flex-start;
            }
            .header-stat {
                flex: 1;
                min-width: 80px;
                padding: 12px 14px;
            }
            .header-stat .stat-num {
                font-size: 22px;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .news-card.standard,
            .news-card.small {
                grid-column: span 12;
            }
            .topic-recommend-grid {
                grid-template-columns: 1fr;
            }
            .column-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-input {
                width: 100%;
            }
            .btn-subscribe {
                width: 100%;
            }
            .hot-rank {
                font-size: 18px;
                min-width: 32px;
            }
        }

        @media (max-width: 520px) {
            .page-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 20px;
            }
            .news-card.featured .news-card-image {
                min-height: 180px;
            }
            .news-card.standard .news-card-image {
                height: 170px;
            }
            .news-card.small .news-card-image {
                height: 140px;
            }
            .news-card-body {
                padding: var(--spacing-sm);
            }
            .news-card-title {
                font-size: 15px;
            }
            .news-card.featured .news-card-title {
                font-size: 17px;
            }
            .header-stat {
                padding: 10px 12px;
            }
            .header-stat .stat-num {
                font-size: 18px;
            }
            .header-stat .stat-label {
                font-size: 10px;
            }
            .subscribe-wrapper {
                padding: var(--spacing-md);
            }
            .btn-view-more {
                width: 100%;
                padding: 12px 20px;
            }
            .flash-news-item {
                padding: 10px var(--spacing-xs);
            }
            .column-card {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A0E17;
            --bg-secondary: #0F1523;
            --bg-card: #111A2B;
            --bg-card-hover: #162235;
            --bg-elevated: #1A2638;
            --accent-lime: #A3E635;
            --accent-lime-dim: #7CB82A;
            --accent-orange: #FB923C;
            --accent-orange-dim: #E07A2A;
            --accent-magenta: #E84D8A;
            --text-primary: #F8FAFC;
            --text-secondary: #C3CEDE;
            --text-muted: #8CA3BD;
            --text-faint: #5E7189;
            --border-subtle: rgba(148, 163, 184, 0.16);
            --border-hover: rgba(163, 230, 53, 0.45);
            --border-strong: rgba(163, 230, 53, 0.65);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.42);
            --shadow-lg: 0 14px 44px rgba(0, 0, 0, 0.55);
            --shadow-glow-lime: 0 0 24px rgba(163, 230, 53, 0.18);
            --shadow-glow-orange: 0 0 20px rgba(251, 146, 60, 0.15);
            --font-sans: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 48px;
            --spacing-2xl: 56px;
            --spacing-3xl: 72px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.42s ease;
            --focus-ring: 0 0 0 3px rgba(163, 230, 53, 0.4);
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.65;
            letter-spacing: 0.015em;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-lime);
        }
        a:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.98);
            border-bottom-color: var(--border-hover);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: var(--spacing-sm);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-orange));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #0A0E17;
            letter-spacing: 0;
        }
        .logo-text {
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.04em;
            color: var(--text-primary);
        }
        .logo:hover .logo-text {
            color: var(--accent-lime);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-item {
            position: relative;
            padding: 6px 2px;
        }
        .nav-item>a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .nav-item>a:hover {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.06);
        }
        .nav-item.active>a {
            color: var(--accent-lime);
            font-weight: 600;
        }
        .nav-item.active>a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 2px;
        }
        .caret {
            font-size: 10px;
            transition: transform var(--transition-fast);
        }
        .nav-item:hover .caret {
            transform: rotate(180deg);
        }

        .nav-dropdown {
            position: absolute;
            top: calc(100% + 6px);
            left: 0;
            min-width: 180px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 8px;
            display: none;
            flex-direction: column;
            gap: 2px;
            box-shadow: var(--shadow-lg);
            z-index: 100;
        }
        .nav-item:hover .nav-dropdown {
            display: flex;
        }
        .nav-dropdown a {
            display: block;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text-secondary);
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .nav-dropdown a:hover {
            background: rgba(163, 230, 53, 0.08);
            color: var(--accent-lime);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: #0A0E17;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow-lime);
            filter: brightness(1.08);
            color: #0A0E17;
        }
        .btn-nav:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            transition: border-color var(--transition-fast);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .nav-toggle:hover {
            border-color: var(--border-hover);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) var(--spacing-md);
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .mobile-nav.open {
            max-height: 420px;
            padding: var(--spacing-sm) var(--spacing-md);
        }
        .mobile-nav a {
            display: block;
            padding: 10px 8px;
            font-size: 15px;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .mobile-nav a:hover {
            color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.06);
        }
        .mobile-nav a.active-mobile {
            color: var(--accent-lime);
            font-weight: 600;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-lime);
        }
        .breadcrumb .separator {
            color: var(--text-faint);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent-lime);
            font-weight: 500;
        }

        /* ========== Category Header ========== */
        .category-header {
            background: var(--bg-secondary);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            border-bottom: 1px solid var(--border-subtle);
        }
        .category-header .container {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        .category-header-left {
            max-width: 720px;
        }
        .category-header h1 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: 0.04em;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        .category-header h1 .highlight {
            color: var(--accent-lime);
        }
        .category-header-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .category-header-stat {
            display: flex;
            gap: var(--spacing-lg);
            flex-shrink: 0;
            align-items: center;
        }
        .stat-chip {
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            min-width: 90px;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .stat-chip:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }
        .stat-chip .stat-num {
            font-size: 22px;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--accent-lime);
            display: block;
            line-height: 1.2;
        }
        .stat-chip .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }

        /* ========== Main Sections ========== */
        .main-content {
            flex: 1;
        }
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .section-header h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .section-header h2::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 22px;
            background: var(--accent-lime);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-header .section-more {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .section-header .section-more:hover {
            color: var(--accent-lime);
        }

        /* ========== Topic Cards Main Grid ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
        }
        .topic-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow-lime);
            background: var(--bg-card-hover);
        }
        .topic-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--bg-elevated);
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.05);
        }
        .topic-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-hover);
            color: var(--accent-lime);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .topic-card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .topic-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .topic-card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }
        .topic-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 12px;
            color: var(--text-faint);
            border-top: 1px solid var(--border-subtle);
            padding-top: 12px;
            margin-top: auto;
        }
        .topic-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .topic-card-tag {
            font-size: 12px;
            color: var(--accent-orange);
            background: rgba(251, 146, 60, 0.1);
            padding: 2px 8px;
            border-radius: 12px;
            font-weight: 500;
        }

        /* ========== Version Analysis Section ========== */
        .version-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .version-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
            transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
        }
        .version-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .version-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.18), rgba(163, 230, 53, 0.06));
            border: 1px solid var(--border-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .version-card-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .version-card-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .version-card-content .version-tag {
            display: inline-block;
            margin-top: 8px;
            font-size: 12px;
            color: var(--accent-lime);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* ========== Review List Section ========== */
        .review-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .review-item {
            display: flex;
            gap: var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            align-items: center;
            transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
        }
        .review-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .review-item-index {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-orange);
            min-width: 60px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1;
        }
        .review-item-body {
            flex: 1;
        }
        .review-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .review-item-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .review-item-date {
            font-size: 12px;
            color: var(--text-faint);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== Data Summary Strip ========== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-sm);
        }
        .data-strip-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .data-strip-item:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }
        .data-strip-num {
            font-size: 30px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--accent-lime);
            display: block;
            line-height: 1.1;
        }
        .data-strip-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
        }

        /* ========== Resources Section ========== */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .resource-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            gap: 12px;
            align-items: flex-start;
            transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
        }
        .resource-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
        }
        .resource-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(232, 77, 138, 0.15);
            border: 1px solid rgba(232, 77, 138, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .resource-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .resource-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== CTA / Subscribe ========== */
        .cta-section {
            background: var(--bg-secondary);
            padding: var(--spacing-xl) 0;
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .cta-panel {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08), rgba(232, 77, 138, 0.08));
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        .cta-panel-left h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .cta-panel-left p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .cta-form input[type="email"] {
            width: 260px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-primary);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }
        .cta-form input[type="email"]::placeholder {
            color: var(--text-faint);
        }
        .cta-form input[type="email"]:focus {
            border-color: var(--border-strong);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-lime-dim));
            color: #0A0E17;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-lime);
            filter: brightness(1.08);
            color: #0A0E17;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* ========== See More ========== */
        .see-more-section {
            padding: var(--spacing-sm) 0 var(--spacing-xl);
        }
        .see-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-lime);
            border: 1px solid var(--border-hover);
            background: transparent;
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
        }
        .see-more-btn:hover {
            background: rgba(163, 230, 53, 0.08);
            border-color: var(--border-strong);
            transform: translateY(-1px);
        }
        .see-more-btn:active {
            transform: translateY(0);
        }
        .see-more-btn .arrow {
            font-size: 16px;
            transition: transform var(--transition-fast);
        }
        .see-more-btn:hover .arrow {
            transform: translateX(4px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 var(--spacing-sm);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: inline-block;
        }
        .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-lime);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-subtle);
        }
        .copyright {
            font-size: 13px;
            color: var(--text-faint);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-lime);
        }
        .footer-links .separator {
            color: var(--text-faint);
        }
        .footer-beian {
            margin-top: var(--spacing-sm);
            font-size: 12px;
            color: var(--text-faint);
            padding-bottom: var(--spacing-sm);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
            .nav-cta .btn-nav {
                display: none;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .category-header .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-header-stat {
                gap: var(--spacing-sm);
                width: 100%;
                justify-content: flex-start;
                flex-wrap: wrap;
            }
            .stat-chip {
                min-width: 70px;
                padding: 10px 14px;
            }
            .stat-chip .stat-num {
                font-size: 18px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .version-grid {
                grid-template-columns: 1fr;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-lg);
            }
            .cta-form {
                width: 100%;
            }
            .cta-form input[type="email"] {
                flex: 1;
                min-width: 0;
            }
            .review-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .review-item-index {
                font-size: 22px;
                min-width: auto;
            }
            .review-item-date {
                white-space: normal;
            }
        }

        @media (max-width: 520px) {
            .data-strip {
                grid-template-columns: 1fr 1fr;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-brand {
                grid-column: auto;
            }
            .cta-form {
                flex-direction: column;
                width: 100%;
            }
            .cta-form input[type="email"] {
                width: 100%;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .see-more-btn {
                width: 100%;
                justify-content: center;
            }
        }