/* roulang page: index */
:root {
            --bg-deep: #0B0F0E;
            --surface: #121A18;
            --surface-secondary: #172320;
            --text-warm: #F5F1E8;
            --text-muted: #A8B3AE;
            --primary: #C6F24E;
            --primary-strong: #A9DE29;
            --secondary: #2DD8B8;
            --accent: #FF6B35;
            --danger: #F34B4B;
            --border-glow: rgba(198, 242, 78, 0.18);
            --border-soft: rgba(245, 241, 232, 0.08);
            --radius-md: 14px;
            --radius-sm: 10px;
            --radius-lg: 18px;
            --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-lift: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-sans: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --nav-height: 68px;
            --bottom-cta-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            padding-bottom: 96px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        a:hover {
            color: var(--primary-strong);
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section-pad {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-alt {
            background-color: var(--surface);
        }

        .section-deep {
            background-color: #0A0D0C;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .num-tabular {
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.01em;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            border-radius: 12px;
            padding: 14px 28px;
            transition: all 0.2s ease;
            line-height: 1.2;
            letter-spacing: 0.01em;
            text-align: center;
            white-space: nowrap;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
            color: #0B0F0E;
            box-shadow: 0 2px 16px rgba(198, 242, 78, 0.25);
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 4px 24px rgba(198, 242, 78, 0.35);
            color: #0B0F0E;
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-warm);
            border: 1px solid var(--border-soft);
            box-shadow: none;
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 0 1px rgba(198, 242, 78, 0.15);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.25);
        }

        .btn-accent:hover {
            filter: brightness(1.08);
            color: #fff;
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 18px;
            border-radius: 12px;
        }

        .label-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(198, 242, 78, 0.1);
            color: var(--primary);
            border: 1px solid var(--border-glow);
        }

        .label-tag-accent {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            border-color: rgba(255, 107, 53, 0.3);
        }

        .label-tag-teal {
            background: rgba(45, 216, 184, 0.12);
            color: var(--secondary);
            border-color: rgba(45, 216, 184, 0.3);
        }

        .card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.25s ease;
        }

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

        .card-image-top {
            overflow: hidden;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background: var(--surface-secondary);
        }

        .card-image-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.35s ease;
        }

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

        .card-title {
            font-size: 18px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-warm);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-desc {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 16px;
            background: rgba(245, 241, 232, 0.08);
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--primary);
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .divider {
            height: 1px;
            background: var(--border-soft);
            margin: 32px 0;
        }

        .divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
            margin: 32px 0;
        }

        .text-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .text-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Header / Nav */
        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 14, 0.86);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(198, 242, 78, 0.12);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        #site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 20px;
            color: var(--text-warm);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #0B0F0E;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            padding: 8px 14px;
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(198, 242, 78, 0.06);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(198, 242, 78, 0.1);
        }

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

        .nav-utility a {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 10px;
            border-radius: 6px;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

        .nav-utility a:hover {
            color: var(--text-warm);
        }

        .nav-cta {
            flex-shrink: 0;
            margin-left: 8px;
        }

        .nav-cta .btn {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: 10px;
        }

        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-soft);
            background: transparent;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }

        .nav-burger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-warm);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

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

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(11, 15, 14, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            padding: 16px 20px 24px;
            z-index: 99;
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-warm);
            border-radius: 8px;
            transition: background 0.2s ease;
        }

        .mobile-menu a:hover {
            background: rgba(198, 242, 78, 0.08);
            color: var(--primary);
        }

        .mobile-menu .mobile-utility {
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-soft);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .mobile-menu .mobile-utility a {
            font-size: 13px;
            padding: 8px 12px;
            color: var(--text-muted);
        }

        /* Hero */
        .hero {
            min-height: 78vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/b0e3df0abaf37fe8.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 1px solid var(--border-soft);
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 14, 0.92) 0%, rgba(11, 15, 14, 0.65) 50%, rgba(11, 15, 14, 0.45) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 60px;
            width: 100%;
        }

        .hero-region-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-region-tags .region-tag {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(245, 241, 232, 0.1);
            color: var(--text-warm);
            border: 1px solid rgba(245, 241, 232, 0.15);
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-warm);
            margin-bottom: 20px;
            max-width: 600px;
        }

        .hero p {
            font-size: 18px;
            line-height: 1.9;
            color: rgba(245, 241, 232, 0.82);
            max-width: 560px;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 32px;
            align-items: center;
        }

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

        .hero-meta-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }

        /* Ticker */
        .ticker-bar {
            background: var(--surface);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
            overflow: hidden;
            position: relative;
        }

        .ticker-track {
            display: flex;
            gap: 40px;
            padding: 14px 0;
            animation: tickerScroll 30s linear infinite;
            white-space: nowrap;
            will-change: transform;
        }

        @keyframes tickerScroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .ticker-item .ticker-value {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .ticker-item .ticker-sep {
            color: rgba(245, 241, 232, 0.3);
            font-weight: 300;
        }

        /* Section titles */
        .section-title-group {
            margin-bottom: 32px;
        }

        .section-title-group .label-tag {
            margin-bottom: 12px;
        }

        .section-title-group h2 {
            font-size: 28px;
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-warm);
            margin-bottom: 12px;
        }

        .section-title-group p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-muted);
            max-width: 680px;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity 0.25s ease;
        }

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

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

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            background: rgba(198, 242, 78, 0.1);
            color: var(--primary);
            border: 1px solid var(--border-glow);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-warm);
        }

        .feature-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        /* Matrix cards */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .matrix-card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .matrix-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lift);
        }

        .matrix-card .matrix-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .matrix-card .matrix-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.35s ease;
        }

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

        .matrix-card .matrix-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 16px;
            background: rgba(11, 15, 14, 0.8);
            color: var(--primary);
            border: 1px solid rgba(198, 242, 78, 0.3);
            backdrop-filter: blur(4px);
        }

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

        .matrix-card .matrix-body h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-warm);
            margin-bottom: 6px;
        }

        .matrix-card .matrix-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Scene */
        .scene-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scene-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--surface-secondary);
            border: 1px solid var(--border-soft);
        }

        .scene-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scene-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .scene-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 18px;
            background: var(--surface);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
            transition: border-color 0.2s ease;
        }

        .scene-step:hover {
            border-color: var(--border-glow);
        }

        .scene-step-num {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(198, 242, 78, 0.12);
            color: var(--primary);
            font-weight: 900;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        .scene-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 4px;
        }

        .scene-step p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* Data center */
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            background: var(--surface);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }

        .data-table th {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted);
            text-align: left;
            padding: 14px 16px;
            background: var(--surface-secondary);
            border-bottom: 1px solid var(--border-soft);
            letter-spacing: 0.02em;
        }

        .data-table td {
            font-size: 14px;
            color: var(--text-warm);
            padding: 12px 16px;
            border-bottom: 1px solid rgba(245, 241, 232, 0.05);
        }

        .data-table tr:last-child td {
            border-bottom: none;
        }

        .data-table tr:hover td {
            background: rgba(198, 242, 78, 0.03);
        }

        .data-table .status-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 700;
            font-size: 13px;
        }

        .data-table .status-live .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .data-table .status-soon {
            color: var(--secondary);
            font-weight: 700;
        }

        /* Social proof */
        .social-carousel {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .social-card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all 0.25s ease;
        }

        .social-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-2px);
        }

        .social-quote {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-warm);
            margin-bottom: 14px;
        }

        .social-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .social-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--surface-secondary);
            border: 1px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .social-user-info .name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-warm);
        }

        .social-user-info .role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Compare */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .compare-col {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .compare-col.highlight {
            border-color: var(--border-glow);
            background: rgba(198, 242, 78, 0.04);
            position: relative;
        }

        .compare-col.highlight::before {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 20px;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            background: var(--primary);
            color: #0B0F0E;
            border-radius: 16px;
            letter-spacing: 0.02em;
        }

        .compare-col h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-warm);
        }

        .compare-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .compare-col ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .compare-col ul li .check {
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .compare-col ul li .x {
            color: var(--danger);
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 16px;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-soft);
            transition: all 0.2s ease;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 72px;
        }

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

        .news-content h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-content p {
            font-size: 14px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* Guide cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* Brand intro */
        .brand-intro {
            font-size: 16px;
            line-height: 2.0;
            color: var(--text-muted);
            max-width: 820px;
        }

        .brand-intro p {
            margin-bottom: 1.25rem;
        }

        .brand-intro strong {
            color: var(--text-warm);
            font-weight: 700;
        }

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

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-warm);
            list-style: none;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: rgba(198, 242, 78, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: transform 0.25s ease;
        }

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

        .faq-answer {
            padding: 0 20px 18px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-muted);
        }

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

        .guarantee-item {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 20px;
            background: var(--surface);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
            transition: border-color 0.2s ease;
        }

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

        .guarantee-item .guarantee-icon {
            font-size: 22px;
            color: var(--primary);
        }

        .guarantee-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-warm);
        }

        .guarantee-item p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-muted);
        }

        /* Final CTA */
        .final-cta {
            background: linear-gradient(135deg, rgba(198, 242, 78, 0.08) 0%, rgba(18, 26, 24, 0.95) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
        }

        .final-cta h2 {
            font-size: 30px;
            font-weight: 900;
            color: var(--text-warm);
            margin-bottom: 12px;
        }

        .final-cta p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.9;
        }

        .final-cta-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 16px;
        }

        .final-cta-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .qr-placeholder {
            width: 120px;
            height: 120px;
            border-radius: 10px;
            background: rgba(245, 241, 232, 0.08);
            border: 1px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        /* Fixed bottom CTA */
        #bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(11, 15, 14, 0.94);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-glow);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            min-height: var(--bottom-cta-height);
            transition: transform 0.35s ease;
        }

        #bottom-cta.minimized {
            transform: translateY(calc(100% - 52px));
        }

        #bottom-cta .bc-text {
            font-size: 14px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 200px;
        }

        #bottom-cta .bc-close {
            position: absolute;
            top: 8px;
            right: 16px;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: rgba(245, 241, 232, 0.08);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        #bottom-cta .bc-close:hover {
            background: rgba(245, 241, 232, 0.15);
            color: var(--text-warm);
        }

        #bottom-cta .bc-restore {
            display: none;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            background: rgba(198, 242, 78, 0.08);
            border: 1px solid var(--border-glow);
        }

        /* Footer */
        #site-footer {
            background: #080B0A;
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 24px;
        }

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

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-warm);
            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: 14px;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid var(--border-soft);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
        }

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

        .footer-bottom a {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .social-carousel {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 40px;
            }
            .section-pad {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .nav-links {
                display: none;
            }
            .nav-utility {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .nav-cta .btn span {
                display: none;
            }
            .nav-cta .btn {
                padding: 10px 14px;
            }
            .hero {
                min-height: 70vh;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero p {
                font-size: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .scene-split {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .social-carousel {
                grid-template-columns: 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title-group h2 {
                font-size: 22px;
            }
            .section-pad {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .final-cta {
                padding: 32px 20px;
            }
            .final-cta h2 {
                font-size: 24px;
            }
            #bottom-cta {
                padding: 10px 14px;
                gap: 10px;
            }
            #bottom-cta .bc-text {
                max-width: 120px;
                font-size: 12px;
            }
            .ticker-track {
                gap: 24px;
            }
            .data-table {
                min-width: 520px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 15px;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo-icon {
                width: 26px;
                height: 26px;
                font-size: 13px;
            }
            .section-pad {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .section-title-group h2 {
                font-size: 20px;
            }
            .stat-number {
                font-size: 28px;
            }
            #bottom-cta .bc-text {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0B0F0E;
            --surface: #121A18;
            --surface-secondary: #172320;
            --text-warm: #F5F1E8;
            --text-muted: #A8B3AE;
            --primary: #C6F24E;
            --primary-strong: #A9DE29;
            --secondary: #2DD8B8;
            --accent: #FF6B35;
            --danger: #F34B4B;
            --border-glow: rgba(198, 242, 78, 0.18);
            --border-soft: rgba(245, 241, 232, 0.08);
            --radius-md: 14px;
            --radius-sm: 10px;
            --radius-lg: 18px;
            --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-lift: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-sans: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --nav-height: 68px;
            --bottom-cta-height: 68px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            padding-bottom: 96px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        a:hover {
            color: var(--primary-strong);
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section-pad {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-alt {
            background-color: var(--surface);
        }

        .section-deep {
            background-color: #0A0D0C;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            border-radius: 12px;
            padding: 14px 28px;
            transition: all 0.2s ease;
            line-height: 1.2;
            letter-spacing: 0.01em;
            text-align: center;
            white-space: nowrap;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
            color: #0B0F0E;
            box-shadow: 0 2px 16px rgba(198, 242, 78, 0.25);
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 4px 24px rgba(198, 242, 78, 0.35);
            color: #0B0F0E;
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-warm);
            border: 1px solid var(--border-soft);
            box-shadow: none;
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 0 1px rgba(198, 242, 78, 0.15);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.25);
        }

        .btn-accent:hover {
            filter: brightness(1.08);
            color: #fff;
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 18px;
            border-radius: 12px;
        }

        .label-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(198, 242, 78, 0.1);
            color: var(--primary);
            border: 1px solid var(--border-glow);
        }

        .label-tag-accent {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            border-color: rgba(255, 107, 53, 0.3);
        }

        .label-tag-teal {
            background: rgba(45, 216, 184, 0.12);
            color: var(--secondary);
            border-color: rgba(45, 216, 184, 0.3);
        }

        .card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.25s ease;
        }

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

        .card-image-top {
            overflow: hidden;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background: var(--surface-secondary);
        }

        .card-image-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.35s ease;
        }

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

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .mono-number {
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.02em;
        }

        /* 导航样式 */
        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 15, 14, 0.86);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(198, 242, 78, 0.12);
            height: var(--nav-height);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
            padding-top: 0;
            padding-bottom: 0;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-warm);
            white-space: nowrap;
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
            color: #0B0F0E;
            font-size: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            padding: 8px 14px;
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--text-warm);
            background: rgba(245, 241, 232, 0.06);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(198, 242, 78, 0.08);
            border: 1px solid rgba(198, 242, 78, 0.15);
            font-weight: 700;
        }

        .nav-utility {
            display: flex;
            align-items: center;
            gap: 12px;
            white-space: nowrap;
        }

        .nav-utility a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .nav-utility a:hover {
            color: var(--primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
        }

        .nav-cta .btn {
            white-space: nowrap;
        }

        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            transition: background 0.2s ease;
        }

        .nav-burger:hover {
            background: rgba(245, 241, 232, 0.06);
        }

        .nav-burger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-warm);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        /* 面包屑 */
        .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 0.2s ease;
        }

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

        .breadcrumb .sep {
            color: rgba(245, 241, 232, 0.3);
        }

        .breadcrumb .current {
            color: var(--primary);
        }

        /* 分类抬头 */
        .category-hero {
            min-height: 30vh;
            max-height: 42vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(198, 242, 78, 0.08) 0%, rgba(45, 216, 184, 0.04) 50%, rgba(11, 15, 14, 0.4) 100%);
            border-bottom: 1px solid var(--border-soft);
            overflow: hidden;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            opacity: 0.15;
            background-image: url('/assets/images/b0e3df0abaf37fe8.webp');
            background-size: cover;
            background-position: center 30%;
            pointer-events: none;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding-top: 32px;
            padding-bottom: 32px;
        }

        /* FAQ */
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-item:hover {
            border-color: rgba(198, 242, 78, 0.25);
        }

        .faq-item summary {
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-warm);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            position: relative;
            transition: color 0.2s ease;
        }

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

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            padding: 0 24px 18px 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* 筛选控件 */
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .filter-select {
            background: var(--surface-secondary);
            border: 1px solid var(--border-soft);
            color: var(--text-warm);
            font-size: 14px;
            padding: 10px 16px;
            border-radius: 10px;
            min-width: 140px;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A8B3AE' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            cursor: pointer;
            transition: border-color 0.2s ease;
        }

        .filter-select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(198, 242, 78, 0.12);
        }

        .filter-btn {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-warm);
            padding: 10px 18px;
            border-radius: 10px;
            background: transparent;
            border: 1px solid var(--border-soft);
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-btn.active {
            background: rgba(198, 242, 78, 0.1);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 底部固定 CTA */
        #bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(11, 15, 14, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(198, 242, 78, 0.18);
            padding: 12px 0;
            min-height: var(--bottom-cta-height);
            display: flex;
            align-items: center;
        }

        #bottom-cta .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        #bottom-cta-close {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 16px;
            transition: all 0.2s ease;
        }

        #bottom-cta-close:hover {
            background: rgba(245, 241, 232, 0.08);
            color: var(--text-warm);
        }

        /* 页脚 */
        #site-footer {
            background: #0A0D0C;
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 24px;
            margin-top: 0;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 12px;
        }

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

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

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--primary);
        }

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

        .footer-bottom a {
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* 移动端导航抽屉 */
        .mobile-menu-open .nav-links {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(11, 15, 14, 0.97);
            backdrop-filter: blur(12px);
            padding: 20px 32px;
            gap: 4px;
            border-bottom: 1px solid var(--border-soft);
            box-shadow: var(--shadow-lift);
        }

        .mobile-menu-open .nav-links a {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 16px;
        }

        .mobile-menu-open .nav-utility {
            display: none;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .nav-links,
            .nav-utility {
                display: none;
            }

            .nav-burger {
                display: flex;
            }

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

            .nav-cta .btn {
                padding: 10px 14px;
            }

            .section-pad {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }

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

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

            #bottom-cta .container {
                flex-wrap: wrap;
                gap: 8px;
            }

            #bottom-cta .cta-text {
                font-size: 13px;
            }
        }

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

            .category-hero {
                min-height: 28vh;
                max-height: 38vh;
            }

            .btn-lg {
                padding: 14px 24px;
                font-size: 16px;
            }
        }

        @media (min-width: 769px) {
            .nav-burger {
                display: none;
            }
        }

        /* focus 可访问性 */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0B0F0E;
            --surface: #121A18;
            --surface-secondary: #172320;
            --text-warm: #F5F1E8;
            --text-muted: #A8B3AE;
            --primary: #C6F24E;
            --primary-strong: #A9DE29;
            --secondary: #2DD8B8;
            --accent: #FF6B35;
            --danger: #F34B4B;
            --border-glow: rgba(198, 242, 78, 0.18);
            --border-soft: rgba(245, 241, 232, 0.08);
            --radius-md: 14px;
            --radius-sm: 10px;
            --radius-lg: 18px;
            --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-lift: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-sans: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --nav-height: 68px;
            --bottom-cta-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            padding-bottom: 96px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        a:hover {
            color: var(--primary-strong);
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section-pad {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .section-alt {
            background-color: var(--surface);
        }
        .section-deep {
            background-color: #0A0D0C;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            border-radius: 12px;
            padding: 14px 28px;
            transition: all 0.2s ease;
            line-height: 1.2;
            letter-spacing: 0.01em;
            text-align: center;
            white-space: nowrap;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
            color: #0B0F0E;
            box-shadow: 0 2px 16px rgba(198, 242, 78, 0.25);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 4px 24px rgba(198, 242, 78, 0.35);
            color: #0B0F0E;
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-warm);
            border: 1px solid var(--border-soft);
            box-shadow: none;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 0 1px rgba(198, 242, 78, 0.15);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.25);
        }
        .btn-accent:hover {
            filter: brightness(1.08);
            color: #fff;
        }
        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            border-radius: 10px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 18px;
            border-radius: 12px;
        }
        .label-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(198, 242, 78, 0.1);
            color: var(--primary);
            border: 1px solid var(--border-glow);
        }
        .label-tag-accent {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            border-color: rgba(255, 107, 53, 0.3);
        }
        .label-tag-teal {
            background: rgba(45, 216, 184, 0.12);
            color: var(--secondary);
            border-color: rgba(45, 216, 184, 0.3);
        }
        .card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.25s ease;
        }
        .card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lift);
        }
        .card-image-top {
            overflow: hidden;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background: var(--surface-secondary);
        }
        .card-image-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.35s ease;
        }
        .card:hover .card-image-top img {
            transform: scale(1.05);
        }
        /* Header / Nav */
        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 14, 0.86);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(198, 242, 78, 0.12);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-warm);
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
            color: #0B0F0E;
            font-size: 16px;
        }
        .nav-logo:hover {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-shrink: 0;
        }
        .nav-links a {
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            padding: 6px 2px;
            transition: color 0.2s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-warm);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-utility {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .nav-utility a {
            color: var(--text-muted);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
            white-space: nowrap;
        }
        .nav-utility a:hover {
            color: var(--primary);
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            flex-shrink: 0;
        }
        .nav-burger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-warm);
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        /* Breadcrumb */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 16px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .sep {
            color: var(--border-soft);
            font-size: 12px;
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* Category Header Banner */
        .category-banner {
            position: relative;
            min-height: 38vh;
            max-height: 42vh;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            overflow: hidden;
            border-bottom: 1px solid var(--border-soft);
        }
        .category-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 14, 0.45) 0%, rgba(11, 15, 14, 0.75) 60%, rgba(11, 15, 14, 0.92) 100%);
        }
        .category-banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding-bottom: 36px;
        }
        .category-banner h1 {
            font-size: 40px;
            font-weight: 900;
            line-height: 1.2;
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }
        .category-banner .banner-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.7;
        }
        /* Section Headers */
        .section-head {
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 10px;
            letter-spacing: -0.005em;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            margin: 0;
            max-width: 640px;
        }
        .section-head .section-line {
            width: 48px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
            margin-bottom: 14px;
        }
        /* Stats Panel */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-box {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: all 0.25s ease;
        }
        .stat-box:hover {
            border-color: var(--border-glow);
            transform: translateY(-2px);
        }
        .stat-box .stat-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-box .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tab {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            background: transparent;
            border: 1px solid var(--border-soft);
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .filter-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-tab.active {
            background: rgba(198, 242, 78, 0.12);
            color: var(--primary);
            border-color: var(--border-glow);
        }
        .filter-select {
            background: var(--surface-secondary);
            color: var(--text-warm);
            border: 1px solid var(--border-soft);
            border-radius: 10px;
            padding: 10px 16px;
            font-size: 14px;
            cursor: pointer;
            outline: none;
            transition: border-color 0.2s ease;
            min-width: 140px;
        }
        .filter-select:focus {
            border-color: var(--primary);
        }
        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .tactic-card .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .tactic-card .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .tactic-card .card-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .tactic-card .card-link {
            font-size: 14px;
            font-weight: 600;
            margin-top: 8px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        /* Featured Cards */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            min-height: 240px;
            display: flex;
            align-items: flex-end;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .featured-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lift);
        }
        .featured-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            z-index: 0;
        }
        .featured-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 14, 0.15) 0%, rgba(11, 15, 14, 0.65) 55%, rgba(11, 15, 14, 0.9) 100%);
            z-index: 1;
        }
        .featured-card-content {
            position: relative;
            z-index: 2;
            padding: 20px;
            width: 100%;
        }
        .featured-card-content h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px;
        }
        .featured-card-content p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* Related Channels */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .channel-card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all 0.25s ease;
            text-decoration: none;
            color: var(--text-warm);
            display: block;
        }
        .channel-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            color: var(--text-warm);
            box-shadow: var(--shadow-lift);
        }
        .channel-card .channel-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .channel-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px;
        }
        .channel-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }
        /* Info List */
        .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-soft);
        }
        .info-list li:last-child {
            border-bottom: none;
        }
        .info-list .info-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-muted);
            min-width: 90px;
            font-variant-numeric: tabular-nums;
            white-space: nowrap;
        }
        .info-list .info-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-warm);
            line-height: 1.5;
        }
        .info-list .info-title:hover {
            color: var(--primary);
        }
        .info-list .info-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 2px;
        }
        /* FAQ */
        .faq-list {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            background: var(--surface);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-soft);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item summary {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background 0.2s ease;
            color: var(--text-warm);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: rgba(198, 242, 78, 0.05);
        }
        .faq-item summary .faq-icon {
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        /* CTA Section */
        .cta-section {
            background: var(--surface);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-section .cta-text h3 {
            font-size: 22px;
            font-weight: 800;
            margin: 0 0 6px;
        }
        .cta-section .cta-text p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }
        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        /* Bottom Fixed CTA */
        #bottom-fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: rgba(11, 15, 14, 0.94);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid var(--border-glow);
            padding: 12px 24px;
            min-height: var(--bottom-cta-height);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            transition: transform 0.3s ease;
        }
        #bottom-fixed-cta.hidden-bottom-cta {
            transform: translateY(100%);
        }
        .bottom-cta-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 18px;
            padding: 6px;
            border-radius: 6px;
            transition: color 0.2s ease;
        }
        .bottom-cta-close:hover {
            color: var(--text-warm);
        }
        /* Footer */
        #site-footer {
            background: #070A09;
            border-top: 1px solid var(--border-soft);
            padding-top: 56px;
            padding-bottom: 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border-soft);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 14px;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--text-warm);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-pad {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11, 15, 14, 0.96);
                backdrop-filter: blur(8px);
                flex-direction: column;
                gap: 0;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-soft);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border-soft);
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-utility {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .category-banner {
                min-height: 30vh;
                max-height: 36vh;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner .banner-subtitle {
                font-size: 15px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-box .stat-number {
                font-size: 24px;
            }
            .channel-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 28px 22px;
                flex-direction: column;
                text-align: center;
            }
            .cta-section .cta-actions {
                justify-content: center;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            #bottom-fixed-cta {
                padding: 10px 16px;
                flex-wrap: wrap;
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .btn-sm {
                padding: 8px 14px;
                font-size: 13px;
            }
            .cta-section {
                padding: 22px 16px;
            }
            .cta-section .cta-text h3 {
                font-size: 18px;
            }
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0b0f0e;
            --surface: #121a18;
            --surface-secondary: #172320;
            --text-warm: #f5f1e8;
            --text-muted: #a8b3ae;
            --primary: #c6f24e;
            --primary-strong: #a9de29;
            --secondary: #2dd8b8;
            --accent: #ff6b35;
            --danger: #f34b4b;
            --border-glow: rgba(198, 242, 78, 0.18);
            --border-soft: rgba(245, 241, 232, 0.08);
            --radius-md: 14px;
            --radius-sm: 10px;
            --radius-lg: 18px;
            --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-lift: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-sans: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --nav-height: 68px;
            --bottom-cta-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            padding-bottom: 96px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
        }

        a:hover {
            color: var(--primary-strong);
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section-pad {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-alt {
            background-color: var(--surface);
        }

        .section-deep {
            background-color: #0a0d0c;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            border-radius: 12px;
            padding: 14px 28px;
            transition: all 0.2s ease;
            line-height: 1.2;
            letter-spacing: 0.01em;
            text-align: center;
            white-space: nowrap;
            text-decoration: none;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
            color: #0b0f0e;
            box-shadow: 0 2px 16px rgba(198, 242, 78, 0.25);
            border: none;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 4px 24px rgba(198, 242, 78, 0.35);
            color: #0b0f0e;
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-warm);
            border: 1px solid var(--border-soft);
            box-shadow: none;
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 0 1px rgba(198, 242, 78, 0.15);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.25);
            border: none;
        }

        .btn-accent:hover {
            filter: brightness(1.08);
            color: #fff;
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 18px;
            border-radius: 12px;
        }

        .label-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(198, 242, 78, 0.1);
            color: var(--primary);
            border: 1px solid var(--border-glow);
        }

        .label-tag-accent {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            border-color: rgba(255, 107, 53, 0.3);
        }

        .label-tag-teal {
            background: rgba(45, 216, 184, 0.12);
            color: var(--secondary);
            border-color: rgba(45, 216, 184, 0.3);
        }

        .card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.25s ease;
        }

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

        .card-image-top {
            overflow: hidden;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            background: var(--surface-secondary);
        }

        .card-image-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.35s ease;
        }

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

        .card-title {
            font-size: 20px;
            font-weight: 800;
            line-height: 1.4;
            color: var(--text-warm);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-summary {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .mono-num {
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.02em;
        }

        /* Header / Navigation */
        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 14, 0.86);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(198, 242, 78, 0.12);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text-warm);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

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

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #0b0f0e;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-left: auto;
        }

        .nav-links a {
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(198, 242, 78, 0.08);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(198, 242, 78, 0.12);
            border: 1px solid var(--border-glow);
        }

        .nav-utility {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-utility a {
            color: var(--text-muted);
            font-size: 14px;
            padding: 6px 10px;
            border-radius: 16px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-utility a:hover {
            color: var(--primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-burger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-soft);
            background: transparent;
            transition: all 0.2s ease;
        }

        .nav-burger span {
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--text-warm);
            border-radius: 2px;
            transition: all 0.2s ease;
        }

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

        .nav-burger:hover span {
            background-color: var(--primary);
        }

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

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

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

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

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Category banner */
        .category-banner {
            min-height: 36vh;
            max-height: 42vh;
            display: flex;
            align-items: flex-end;
            padding: 40px 0 36px;
            background-size: cover;
            background-position: center 30%;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-soft);
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 14, 0.55) 0%, rgba(11, 15, 14, 0.85) 100%);
            z-index: 1;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .category-banner h1 {
            font-size: 40px;
            font-weight: 900;
            line-height: 1.25;
            color: #f5f1e8;
            letter-spacing: 0.01em;
        }

        .category-banner p {
            font-size: 17px;
            color: #cdd6d2;
            max-width: 560px;
            line-height: 1.75;
        }

        /* Stat panel */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            text-align: left;
            transition: all 0.25s ease;
        }

        .stat-card:hover {
            border-color: var(--border-glow);
            background: var(--surface-secondary);
        }

        .stat-card .stat-value {
            font-size: 32px;
            font-weight: 800;
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

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

        .stat-card .stat-icon {
            float: right;
            color: var(--secondary);
            font-size: 22px;
            opacity: 0.7;
        }

        /* Player cards */
        .player-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
            margin-top: 24px;
        }

        .player-card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.25s ease;
            position: relative;
        }

        .player-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lift);
        }

        .player-card .player-avatar {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--surface-secondary);
            position: relative;
        }

        .player-card .player-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
            border-radius: 0;
        }

        .player-card:hover .player-avatar img {
            transform: scale(1.05);
        }

        .player-card .player-rank {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(11, 15, 14, 0.85);
            color: var(--primary);
            font-weight: 700;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 16px;
            border: 1px solid var(--border-glow);
            backdrop-filter: blur(4px);
            font-family: var(--font-mono);
        }

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

        .player-card .player-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-warm);
            margin-bottom: 2px;
        }

        .player-card .player-team {
            font-size: 14px;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .player-card .player-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .player-card .player-stats {
            display: flex;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-soft);
            font-size: 13px;
            color: var(--text-muted);
            gap: 4px;
            flex-wrap: wrap;
        }

        .player-card .player-stats .mini-stat {
            text-align: center;
            flex: 1;
            min-width: 56px;
        }

        .player-card .player-stats .mini-stat strong {
            display: block;
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            font-size: 16px;
            color: var(--text-warm);
            font-weight: 700;
        }

        /* Filter controls */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding: 14px 16px;
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
        }

        .filter-bar select {
            background: var(--surface-secondary);
            color: var(--text-warm);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            outline: none;
            transition: border-color 0.2s ease;
            min-width: 140px;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A8B3AE' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }

        .filter-bar select:focus {
            border-color: var(--primary);
            outline: 2px solid rgba(198, 242, 78, 0.15);
            outline-offset: 1px;
        }

        .filter-bar select option {
            background: var(--surface);
            color: var(--text-warm);
        }

        .filter-bar .sort-btns {
            display: flex;
            gap: 8px;
            margin-left: auto;
            flex-wrap: wrap;
        }

        .filter-bar .sort-btn {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            border: 1px solid var(--border-soft);
            background: transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .filter-bar .sort-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        .filter-bar .sort-btn.active-sort {
            color: #0b0f0e;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 700;
        }

        /* Featured players carousel */
        .featured-row {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            margin-top: 24px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .featured-row::-webkit-scrollbar {
            height: 6px;
        }

        .featured-row::-webkit-scrollbar-track {
            background: var(--surface-secondary);
            border-radius: 3px;
        }

        .featured-row::-webkit-scrollbar-thumb {
            background: var(--border-glow);
            border-radius: 3px;
        }

        .featured-card {
            flex: 0 0 340px;
            scroll-snap-align: start;
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .featured-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lift);
            transform: translateY(-3px);
        }

        .featured-card .feat-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--surface-secondary);
        }

        .featured-card .feat-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.35s ease;
        }

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

        .featured-card .feat-body {
            padding: 20px 22px 18px;
        }

        .featured-card .feat-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-warm);
        }

        .featured-card .feat-team {
            font-size: 15px;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .featured-card .feat-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Related topics */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: all 0.25s ease;
        }

        .related-card:hover {
            border-color: var(--primary);
            background: var(--surface-secondary);
            box-shadow: var(--shadow-soft);
        }

        .related-card .rel-icon {
            font-size: 28px;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .related-card .rel-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 4px;
        }

        .related-card .rel-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* News list */
        .news-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 18px;
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
            text-decoration: none;
        }

        .news-item:hover {
            border-color: var(--border-glow);
            background: var(--surface-secondary);
            transform: translateX(4px);
        }

        .news-item .news-date {
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 64px;
            padding-top: 2px;
        }

        .news-item .news-info {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-warm);
            line-height: 1.5;
            margin-bottom: 2px;
        }

        .news-item:hover .news-title {
            color: var(--primary);
        }

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

        /* FAQ */
        .faq-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all 0.25s ease;
        }

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

        .faq-item summary {
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-warm);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            list-style: none;
            transition: color 0.2s ease;
            user-select: none;
        }

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

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* Bottom CTA bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(11, 15, 14, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(198, 242, 78, 0.15);
            min-height: var(--bottom-cta-height);
            display: flex;
            align-items: center;
            transition: transform 0.3s ease;
        }

        .bottom-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .bottom-cta-bar .cta-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .bottom-cta-bar .cta-text strong {
            color: var(--text-warm);
            font-weight: 700;
        }

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

        .bottom-cta-bar .cta-close {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-soft);
            color: var(--text-muted);
            font-size: 14px;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }

        .bottom-cta-bar .cta-close:hover {
            border-color: var(--danger);
            color: var(--danger);
        }

        .bottom-cta-bar.hidden-bar {
            transform: translateY(100%);
        }

        /* Footer */
        #site-footer {
            background: #0a0d0c;
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 32px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-top: 12px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

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

        .footer-bottom a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Section titles */
        .section-head {
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-warm);
            letter-spacing: 0.01em;
        }

        .section-head .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 6px;
            line-height: 1.7;
            max-width: 600px;
        }

        .section-head .head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-head .head-row a {
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 15, 14, 0.98);
            z-index: 99;
            padding: 20px 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            backdrop-filter: blur(8px);
        }

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

        .mobile-drawer a {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-muted);
            padding: 12px 16px;
            border-radius: 10px;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .mobile-drawer a:hover {
            color: var(--primary);
            background: rgba(198, 242, 78, 0.08);
            border-color: var(--border-glow);
        }

        .mobile-drawer a.active {
            color: var(--primary);
            background: rgba(198, 242, 78, 0.12);
            border-color: var(--border-glow);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-pad {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }
            #site-header {
                min-height: 60px;
            }
            .nav-links {
                display: none;
            }
            .nav-utility {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .nav-cta .btn-sm {
                padding: 8px 14px;
                font-size: 13px;
            }
            .nav-cta .btn-sm span {
                display: none;
            }
            .category-banner {
                min-height: auto;
                max-height: none;
                padding: 28px 0 24px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner p {
                font-size: 15px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 16px;
            }
            .stat-card .stat-value {
                font-size: 24px;
            }
            .player-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
                gap: 14px;
            }
            .player-card .player-body {
                padding: 14px 14px 12px;
            }
            .player-card .player-name {
                font-size: 17px;
            }
            .player-card .player-team {
                font-size: 13px;
            }
            .player-card .player-stats {
                font-size: 11px;
            }
            .player-card .player-stats .mini-stat strong {
                font-size: 14px;
            }
            .featured-card {
                flex: 0 0 280px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .filter-bar {
                padding: 10px 12px;
                gap: 8px;
            }
            .filter-bar select {
                font-size: 13px;
                padding: 6px 10px;
                min-width: 110px;
                padding-right: 28px;
                background-position: right 8px center;
            }
            .filter-bar .sort-btn {
                padding: 6px 12px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .bottom-cta-bar .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                padding-top: 8px;
                padding-bottom: 8px;
            }
            .bottom-cta-bar .cta-text {
                font-size: 12px;
            }
            .bottom-cta-bar .cta-actions {
                width: 100%;
                justify-content: space-between;
            }
            .bottom-cta-bar .btn-sm {
                padding: 8px 14px;
                font-size: 13px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .section-head .section-sub {
                font-size: 14px;
            }
            .faq-item summary {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-item .faq-answer {
                font-size: 14px;
                padding: 0 16px 14px;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
                padding: 14px;
            }
            .news-item .news-date {
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner p {
                font-size: 14px;
                line-height: 1.65;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 12px 14px;
            }
            .stat-card .stat-value {
                font-size: 20px;
            }
            .stat-card .stat-label {
                font-size: 12px;
            }
            .player-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
                gap: 10px;
            }
            .player-card .player-body {
                padding: 10px 10px 10px;
            }
            .player-card .player-name {
                font-size: 15px;
            }
            .player-card .player-team {
                font-size: 12px;
            }
            .player-card .player-tags .label-tag {
                font-size: 10px;
                padding: 2px 8px;
            }
            .player-card .player-stats {
                font-size: 10px;
                gap: 2px;
            }
            .player-card .player-stats .mini-stat strong {
                font-size: 12px;
            }
            .featured-card {
                flex: 0 0 240px;
            }
            .featured-card .feat-name {
                font-size: 18px;
            }
            .featured-card .feat-body {
                padding: 14px 16px 12px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-bar select {
                width: 100%;
                min-width: unset;
            }
            .filter-bar .sort-btns {
                margin-left: 0;
                justify-content: stretch;
            }
            .filter-bar .sort-btns .sort-btn {
                flex: 1;
                text-align: center;
            }
            .btn {
                font-size: 14px;
                padding: 12px 20px;
                border-radius: 10px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 16px;
            }
            .section-head h2 {
                font-size: 20px;
            }
        }

        /* Focus styles for accessibility */
        a:focus-visible,
        button:focus-visible,
        select:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category5 */
:root {
            --bg-deep: #0B0F0E;
            --surface: #121A18;
            --surface-secondary: #172320;
            --text-warm: #F5F1E8;
            --text-muted: #A8B3AE;
            --primary: #C6F24E;
            --primary-strong: #A9DE29;
            --secondary: #2DD8B8;
            --accent: #FF6B35;
            --danger: #F34B4B;
            --border-glow: rgba(198, 242, 78, 0.18);
            --border-soft: rgba(245, 241, 232, 0.08);
            --radius-md: 14px;
            --radius-sm: 10px;
            --radius-lg: 18px;
            --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-lift: 0 8px 32px rgba(0, 0, 0, 0.45);
            --font-sans: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --nav-height: 68px;
            --bottom-cta-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            padding-bottom: 96px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        a:hover {
            color: var(--primary-strong);
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section-pad {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .section-alt {
            background-color: var(--surface);
        }
        .section-deep {
            background-color: #0A0D0C;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            border-radius: 12px;
            padding: 14px 28px;
            transition: all 0.2s ease;
            line-height: 1.2;
            letter-spacing: 0.01em;
            text-align: center;
            white-space: nowrap;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
            color: #0B0F0E;
            box-shadow: 0 2px 16px rgba(198, 242, 78, 0.25);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 4px 24px rgba(198, 242, 78, 0.35);
            color: #0B0F0E;
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-warm);
            border: 1px solid var(--border-soft);
            box-shadow: none;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 0 1px rgba(198, 242, 78, 0.15);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 12px rgba(255, 107, 53, 0.25);
        }
        .btn-accent:hover {
            filter: brightness(1.08);
            color: #fff;
        }
        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            border-radius: 10px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 18px;
            border-radius: 12px;
        }
        .label-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(198, 242, 78, 0.1);
            color: var(--primary);
            border: 1px solid var(--border-glow);
        }
        .label-tag-accent {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            border-color: rgba(255, 107, 53, 0.3);
        }
        .label-tag-teal {
            background: rgba(45, 216, 184, 0.12);
            color: var(--secondary);
            border-color: rgba(45, 216, 184, 0.3);
        }
        .card {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.25s ease;
        }
        .card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lift);
        }
        .card-image-top {
            overflow: hidden;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background: var(--surface-secondary);
        }
        .card-image-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 0.35s ease;
        }
        .card:hover .card-image-top img {
            transform: scale(1.04);
        }
        .title-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .desc-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .tabular {
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.01em;
        }

        /* 导航 */
        #site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 14, 0.86);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(198, 242, 78, 0.18);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--text-warm);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-logo:hover {
            color: var(--primary);
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #0B0F0E;
            font-size: 16px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--primary);
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-utility {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .nav-utility a {
            color: var(--text-muted);
            font-size: 14px;
            white-space: nowrap;
            transition: color 0.2s ease;
        }
        .nav-utility a:hover {
            color: var(--primary);
        }
        .nav-cta {
            display: flex;
            align-items: center;
        }
        .nav-burger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-soft);
            background: var(--surface);
        }
        .nav-burger span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--text-warm);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border-soft);
        }
        .breadcrumb .current {
            color: var(--primary);
        }

        /* 分类抬头 */
        .category-hero {
            position: relative;
            min-height: 38vh;
            max-height: 42vh;
            display: flex;
            align-items: flex-end;
            overflow: hidden;
            background: var(--surface-secondary);
            border-bottom: 1px solid var(--border-soft);
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
        }
        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 14, 0.5) 0%, rgba(11, 15, 14, 0.85) 100%);
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 48px 0 32px;
        }

        /* 时间线 */
        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-soft);
            transition: background 0.2s ease;
        }
        .timeline-item:hover {
            background: rgba(198, 242, 78, 0.03);
        }
        .timeline-dot {
            flex-shrink: 0;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            margin-top: 8px;
            box-shadow: 0 0 0 4px rgba(198, 242, 78, 0.15);
        }
        .timeline-dot.accent {
            background: var(--accent);
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.15);
        }
        .timeline-dot.teal {
            background: var(--secondary);
            box-shadow: 0 0 0 4px rgba(45, 216, 184, 0.15);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            background: var(--surface);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }
        .faq-item:hover {
            border-color: var(--border-glow);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-warm);
            list-style: none;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .fa-chevron-down {
            transition: transform 0.25s ease;
            color: var(--text-muted);
            font-size: 14px;
        }
        .faq-item[open] summary .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* 底部固定转化条 */
        .bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 95;
            background: rgba(11, 15, 14, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-glow);
            min-height: var(--bottom-cta-height);
            display: flex;
            align-items: center;
            padding: 10px 0;
            transform: translateY(0);
            transition: transform 0.3s ease;
        }
        .bottom-cta.hidden {
            transform: translateY(100%);
        }
        .bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }
        .bottom-cta-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .bottom-cta-info .title {
            font-weight: 700;
            font-size: 14px;
            color: var(--text-warm);
        }
        .bottom-cta-info .meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        .bottom-cta-close {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid var(--border-soft);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }
        .bottom-cta-close:hover {
            color: var(--text-warm);
            border-color: var(--border-soft);
            background: var(--surface);
        }

        /* 页脚 */
        #site-footer {
            background: #080B0A;
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 16px;
            max-width: 360px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col ul a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-soft);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .nav-links {
                gap: 14px;
            }
            .nav-links a {
                font-size: 14px;
            }
            .nav-utility {
                gap: 12px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: var(--spacing-section-mobile);
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(11, 15, 14, 0.98);
                border-bottom: 1px solid var(--border-glow);
                padding: 20px 24px;
                gap: 16px;
                align-items: flex-start;
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-utility {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .nav-cta .btn span {
                display: none;
            }
            .nav-cta .btn {
                padding: 10px 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-hero {
                min-height: 30vh;
                max-height: 36vh;
            }
            .bottom-cta-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .bottom-cta-info {
                flex: 1;
                min-width: 140px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --nav-height: 60px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 16px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 15px;
            }
            .card {
                padding: 18px;
            }
            .timeline-item {
                gap: 14px;
                padding: 16px 0;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 6px;
            }
            .bottom-cta {
                min-height: auto;
                padding: 8px 0;
            }
            .bottom-cta-info .title {
                font-size: 13px;
            }
            .bottom-cta-info .meta {
                font-size: 11px;
            }
        }
        @media (min-width: 769px) {
            .nav-burger {
                display: none;
            }
        }

/* roulang page: category4 */
:root {
  --bg-deep: #0B0F0E;
  --surface: #121A18;
  --surface-secondary: #172320;
  --text-warm: #F5F1E8;
  --text-muted: #A8B3AE;
  --primary: #C6F24E;
  --primary-strong: #A9DE29;
  --secondary: #2DD8B8;
  --accent: #FF6B35;
  --danger: #F34B4B;
  --border-glow: rgba(198, 242, 78, 0.18);
  --border-soft: rgba(245, 241, 232, 0.08);
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-lg: 18px;
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lift: 0 8px 32px rgba(0, 0, 0, 0.45);
  --font-sans: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Roboto Mono', 'Consolas', monospace;
  --spacing-section: 72px;
  --spacing-section-mobile: 48px;
  --nav-height: 68px;
  --bottom-cta-height: 68px;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-warm);
  background-color: var(--bg-deep);
  padding-bottom: 96px;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}
a:hover {
  color: var(--primary-strong);
}
button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  background: none;
}
input, select, textarea {
  font-family: var(--font-sans);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}
.section-pad {
  padding-top: var(--spacing-section);
  padding-bottom: var(--spacing-section);
}
.section-alt {
  background-color: var(--surface);
}
.section-deep {
  background-color: #0A0D0C;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  border-radius: 12px;
  padding: 14px 28px;
  transition: all 0.2s ease;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-align: center;
  white-space: nowrap;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #0B0F0E;
  box-shadow: 0 2px 16px rgba(198, 242, 78, 0.25);
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 4px 24px rgba(198, 242, 78, 0.35);
  color: #0B0F0E;
}
.btn-ghost {
  background: transparent;
  color: var(--text-warm);
  border: 1px solid var(--border-soft);
  box-shadow: none;
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 0 1px rgba(198, 242, 78, 0.15);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(255, 107, 53, 0.25);
}
.btn-accent:hover {
  filter: brightness(1.08);
  color: #fff;
}
.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
  border-radius: 10px;
}
.btn-lg {
  padding: 16px 36px;
  font-size: 18px;
  border-radius: 12px;
}
.label-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(198, 242, 78, 0.1);
  color: var(--primary);
  border: 1px solid var(--border-glow);
}
.label-tag-accent {
  background: rgba(255, 107, 53, 0.12);
  color: var(--accent);
  border-color: rgba(255, 107, 53, 0.3);
}
.label-tag-teal {
  background: rgba(45, 216, 184, 0.12);
  color: var(--secondary);
  border-color: rgba(45, 216, 184, 0.3);
}
.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.25s ease;
}
.card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.card-image-top {
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  aspect-ratio: 16/9;
  background: var(--surface-secondary);
}
.card-image-top img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
  transition: transform 0.35s ease;
}
.card:hover .card-image-top img {
  transform: scale(1.05);
}
/* header nav */
#site-header {
  position: sticky;
  top: 0;
  z-index: 950;
  background: rgba(11, 15, 14, 0.86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(198, 242, 78, 0.18);
}
.nav-inner {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: var(--text-warm);
  letter-spacing: 0.02em;
}
.nav-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #0B0F0E;
  font-size: 14px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}
.nav-links a:hover {
  color: var(--text-warm);
}
.nav-links a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.nav-utility {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}
.nav-utility a {
  color: var(--text-muted);
  font-weight: 600;
  transition: color 0.2s ease;
}
.nav-utility a:hover {
  color: var(--text-warm);
}
.nav-cta {
  display: flex;
  align-items: center;
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  background: transparent;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-warm);
  border-radius: 2px;
  transition: all 0.25s ease;
}
/* hero strip */
.gear-hero-strip {
  min-height: 42vh;
  background-image: url('/assets/images/b4ebe79e36cd8b4a.webp');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  position: relative;
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border-glow);
}
.gear-hero-strip::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,15,14,0.6) 0%, rgba(11,15,14,0.9) 100%);
}
.gear-hero-strip .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.breadcrumb a {
  color: var(--text-muted);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: var(--border-glow);
}
.gear-hero-strip h1 {
  font-size: 36px;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.gear-hero-strip .hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
}
/* metric strip */
.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.metric-item {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.2s ease;
}
.metric-item:hover {
  border-color: var(--border-glow);
}
.metric-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(198, 242, 78, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}
.metric-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  color: var(--text-warm);
}
.metric-label {
  font-size: 13px;
  color: var(--text-muted);
}
/* filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-chip:hover {
  border-color: var(--primary);
  color: var(--text-warm);
}
.filter-chip.active {
  background: rgba(198, 242, 78, 0.12);
  border-color: var(--primary);
  color: var(--primary);
}
.sort-select {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  color: var(--text-warm);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
}
.sort-select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
/* gear card */
.gear-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}
.gear-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.gear-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.gear-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform 0.35s ease;
}
.gear-card:hover .gear-card-image img {
  transform: scale(1.05);
}
.gear-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}
.gear-card-body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}
.gear-card-title {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--text-warm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.9em;
}
.gear-card-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.gear-attr-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}
.gear-attr {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.gear-attr-name {
  width: 64px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--text-muted);
}
.attr-bar {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--surface-secondary);
  overflow: hidden;
}
.attr-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  transition: width 0.5s ease;
}
.gear-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  gap: 12px;
}
.recommend-score {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}
.recommend-score i {
  color: var(--accent);
}
.gear-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.gear-link:hover {
  color: var(--primary);
}
/* featured carousel */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.featured-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
  position: relative;
}
.featured-card:hover {
  border-color: var(--secondary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.featured-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.featured-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform 0.35s ease;
}
.featured-card:hover .featured-card-image img {
  transform: scale(1.04);
}
.featured-card-body {
  padding: 20px;
}
.featured-card-title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 8px;
}
.featured-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
/* section header */
.section-head {
  margin-bottom: 32px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: 28px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--text-warm);
  margin-bottom: 10px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.8;
}
/* related links */
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.related-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 22px;
  position: relative;
  transition: all 0.25s ease;
  display: block;
}
.related-card:hover {
  border-color: var(--secondary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.related-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(45, 216, 184, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  margin-bottom: 12px;
}
.related-card-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-warm);
  margin-bottom: 6px;
}
.related-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}
/* update list */
.update-list {
  display: flex;
  flex-direction: column;
}
.update-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-soft);
}
.update-item:last-child {
  border-bottom: none;
}
.update-date {
  width: 64px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  padding-top: 2px;
}
.update-content {
  flex: 1;
  min-width: 0;
}
.update-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-warm);
  line-height: 1.4;
  margin-bottom: 4px;
}
.update-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item:hover {
  border-color: var(--border-glow);
}
.faq-item summary {
  padding: 18px 20px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text-warm);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-icon {
  flex-shrink: 0;
  transition: transform 0.25s ease;
  color: var(--primary);
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 20px 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}
/* bottom CTA */
.gear-cta {
  background: var(--surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.gear-cta-info h3 {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 6px;
  color: var(--text-warm);
}
.gear-cta-info p {
  font-size: 15px;
  color: var(--text-muted);
}
.gear-cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
/* footer */
#site-footer {
  background: #080A09;
  border-top: 1px solid var(--border-soft);
  padding-top: 48px;
  padding-bottom: 28px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-warm);
  margin-bottom: 14px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col ul a {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}
.footer-col ul a:hover {
  color: var(--primary);
}
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom a {
  color: var(--text-muted);
  font-size: 13px;
}
.footer-bottom a:hover {
  color: var(--primary);
}
/* bottom fixed bar */
.bottom-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: rgba(11, 15, 14, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-glow);
  height: var(--bottom-cta-height);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 10px 20px;
}
.bottom-cta-bar .btn {
  min-width: 120px;
}
.bottom-cta-close {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(245, 241, 232, 0.1);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.2s ease;
}
.bottom-cta-close:hover {
  background: rgba(245, 241, 232, 0.2);
  color: var(--text-warm);
}
/* menu mobile */
.nav-mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(11, 15, 14, 0.98);
  border-bottom: 1px solid var(--border-soft);
  padding: 12px 32px 20px;
  gap: 6px;
}
.nav-mobile-menu a {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-soft);
}
.nav-mobile-menu a:last-child {
  border-bottom: none;
}
.nav-mobile-menu a.active {
  color: var(--primary);
}
/* responsive */
@media (max-width: 1024px) {
  .nav-links {
    gap: 14px;
  }
  .nav-utility {
    gap: 10px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .metric-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .nav-links {
    display: none;
  }
  .nav-utility {
    display: none;
  }
  .nav-burger {
    display: flex;
  }
  .nav-mobile-menu {
    display: flex;
  }
  .nav-mobile-menu.hidden-mobile {
    display: none;
  }
  .gear-hero-strip h1 {
    font-size: 30px;
  }
  .gear-hero-strip {
    min-height: 36vh;
  }
  .section-pad {
    padding-top: var(--spacing-section-mobile);
    padding-bottom: var(--spacing-section-mobile);
  }
  .metric-strip {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .metric-item {
    padding: 14px;
  }
  .metric-num {
    font-size: 18px;
  }
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .gear-cta {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  .gear-cta-actions {
    width: 100%;
  }
  .gear-cta-actions .btn {
    flex: 1;
  }
  .update-item {
    flex-direction: column;
    gap: 6px;
  }
  .update-date {
    width: auto;
  }
}
@media (max-width: 520px) {
  .metric-strip {
    grid-template-columns: 1fr;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .gear-hero-strip h1 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .bottom-cta-bar {
    flex-wrap: wrap;
    height: auto;
    min-height: 68px;
  }
}