/* roulang page: index */
:root {
            --bg-primary: #0B0D10;
            --bg-panel: #15191F;
            --bg-panel-2: #171C22;
            --text-primary: #F4F7F5;
            --text-secondary: #8E9AA6;
            --accent-green: #C6F642;
            --accent-green-hover: #D8FF6A;
            --accent-orange: #FF5C1C;
            --border-color: rgba(255, 255, 255, 0.08);
            --success: #3DDC97;
            --warning: #F5A623;
            --danger: #FF4961;
            --font-sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "JetBrains Mono", monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --nav-height: 72px;
            --tabs-height: 48px;
            --header-total: 120px;
        }

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

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

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

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

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

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

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

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 13, 16, 0.86);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(11, 13, 16, 0.96);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
        }

        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
            padding: 0 4px;
        }

        .nav-brand {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

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

        .nav-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent-green);
            color: #0B0D10;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: 900;
            letter-spacing: -0.02em;
        }

        .nav-search-wrapper {
            flex: 1;
            max-width: 420px;
            min-width: 180px;
            position: relative;
        }

        .nav-search-wrapper input {
            width: 100%;
            height: 40px;
            padding: 0 40px 0 16px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search-wrapper input::placeholder {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .nav-search-wrapper input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.15);
        }

        .nav-search-wrapper .search-btn {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 14px;
            border-radius: 50%;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-search-wrapper .search-btn:hover {
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.08);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            line-height: 1.4;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent-green);
            color: #0B0D10;
            border-color: var(--accent-green);
        }
        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            color: #0B0D10;
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.2);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--border-color);
            color: var(--text-primary);
        }
        .btn-outline:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.04);
        }

        .btn-orange {
            background: var(--accent-orange);
            color: #fff;
            border-color: var(--accent-orange);
        }
        .btn-orange:hover {
            background: #FF7A3D;
            border-color: #FF7A3D;
            color: #fff;
            box-shadow: 0 0 0 3px rgba(255, 92, 28, 0.2);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
            border-radius: var(--radius-md);
        }

        .nav-tabs-row {
            display: flex;
            align-items: center;
            gap: 8px;
            height: var(--tabs-height);
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0 4px;
        }
        .nav-tabs-row::-webkit-scrollbar {
            display: none;
            width: 0;
            height: 0;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .nav-tab:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--border-color);
        }
        .nav-tab.active {
            color: #0B0D10;
            background: var(--accent-green);
            font-weight: 700;
            border-color: var(--accent-green);
        }
        .nav-tab.active:hover {
            color: #0B0D10;
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
        }

        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 18px;
            transition: all var(--transition-fast);
        }
        .nav-mobile-toggle:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        .mobile-search-cta {
            display: none;
            padding: 12px 0;
            gap: 10px;
            flex-direction: column;
            border-top: 1px solid var(--border-color);
        }

        .mobile-search-cta.show {
            display: flex;
        }

        .mobile-search-cta .nav-search-wrapper {
            max-width: 100%;
            min-width: auto;
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: 56px 0 48px;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(198, 246, 66, 0.06) 0%, rgba(198, 246, 66, 0) 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 92, 28, 0.05) 0%, rgba(255, 92, 28, 0) 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .hero-content {
            max-width: 800px;
        }

        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-green);
            text-transform: uppercase;
            margin-bottom: 14px;
            border: 1px solid rgba(198, 246, 66, 0.25);
            padding: 5px 14px;
            border-radius: 20px;
            background: rgba(198, 246, 66, 0.04);
        }

        .hero-content h1 {
            font-size: clamp(30px, 4.5vw, 48px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

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

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 24px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px 24px;
            padding: 12px 20px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            font-size: 13px;
            color: var(--text-secondary);
            max-width: 700px;
        }

        .hero-status-bar .status-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .hero-status-bar .status-dot .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.5);
            }
            50% {
                box-shadow: 0 0 0 5px rgba(61, 220, 151, 0);
            }
        }

        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            max-width: 640px;
        }

        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 18px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .hero-icon-item:hover {
            border-color: rgba(198, 246, 66, 0.35);
            background: var(--bg-panel-2);
            transform: translateY(-2px);
        }

        .hero-icon-item .icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 16px;
            color: #0B0D10;
            background: var(--accent-green);
            flex-shrink: 0;
        }

        .hero-icon-item .icon.orange {
            background: var(--accent-orange);
            color: #fff;
        }

        .hero-icon-item .icon-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .hero-kpi-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 8px;
        }

        .kpi-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .kpi-card:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .kpi-card .kpi-label {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .kpi-card .kpi-number {
            font-family: var(--font-mono);
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            line-height: 1.1;
        }

        .kpi-card .kpi-number .unit {
            font-size: 0.45em;
            color: var(--accent-green);
            font-weight: 600;
            margin-left: 4px;
        }

        .kpi-card .kpi-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 8px;
        }
        .kpi-card .kpi-trend.up {
            color: var(--success);
        }
        .kpi-card .kpi-trend.down {
            color: var(--danger);
        }

        /* ========== ABOUT / KPI ========== */
        .about-kpi-section {
            padding: 72px 0 64px;
            background: var(--bg-panel-2);
            position: relative;
            overflow: hidden;
        }

        .about-kpi-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            left: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .about-kpi-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-kpi-content h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .about-kpi-content h2 .highlight {
            color: var(--accent-green);
        }

        .about-kpi-content p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
            font-size: 15px;
        }

        .about-kpi-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .about-stat-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .about-stat-card:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .about-stat-card .stat-icon {
            font-size: 22px;
            color: var(--accent-green);
            margin-bottom: 10px;
        }
        .about-stat-card .stat-icon.orange {
            color: var(--accent-orange);
        }

        .about-stat-card .stat-number {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .about-stat-card .stat-number .unit {
            font-size: 0.5em;
            color: var(--accent-green);
        }
        .about-stat-card .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ========== NEWS ========== */
        .news-section {
            padding: 72px 0 64px;
            background: var(--bg-primary);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: clamp(22px, 2.8vw, 30px);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
        }
        .section-header .section-desc {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 480px;
            text-align: right;
            line-height: 1.6;
        }
        .section-header .section-desc a {
            color: var(--accent-green);
            font-weight: 600;
        }
        .section-header .section-desc a:hover {
            text-decoration: underline;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 28px;
        }

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

        .news-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-fast);
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        .news-list-item:hover {
            background: var(--bg-panel);
            border-bottom-color: rgba(198, 246, 66, 0.3);
            transform: translateX(4px);
        }

        .news-list-item .news-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-secondary);
            flex-shrink: 0;
            min-width: 60px;
            letter-spacing: 0.03em;
        }

        .news-list-item .news-title {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .news-list-item:hover .news-title {
            color: var(--accent-green);
        }

        .news-list-item .news-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(198, 246, 66, 0.08);
            color: var(--accent-green);
            flex-shrink: 0;
        }
        .news-list-item .news-tag.orange {
            background: rgba(255, 92, 28, 0.08);
            color: var(--accent-orange);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-featured-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-fast);
        }
        .news-featured-card:hover {
            border-color: rgba(198, 246, 66, 0.25);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .news-featured-card .featured-label {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent-orange);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .news-featured-card .featured-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-featured-card .featured-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .news-tag-cloud {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
        }
        .news-tag-cloud h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .tag-cloud-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud-flex .cloud-tag {
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .tag-cloud-flex .cloud-tag:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.05);
        }

        /* ========== SERVICES ========== */
        .services-section {
            padding: 72px 0 64px;
            background: var(--bg-panel-2);
        }

        .services-asym-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 16px;
        }

        .service-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }
        .service-card:hover {
            border-color: rgba(198, 246, 66, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .service-card.large {
            grid-column: span 7;
        }
        .service-card.small {
            grid-column: span 5;
        }

        .service-card .card-media {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .service-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .service-card:hover .card-media img {
            transform: scale(1.05);
        }

        .service-card .card-media .media-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(11, 13, 16, 0.2), rgba(11, 13, 16, 0.8));
            pointer-events: none;
        }

        .service-card .card-body {
            padding: 22px 24px;
        }

        .service-card .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(198, 246, 66, 0.08);
            color: var(--accent-green);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .service-card .card-tag.orange {
            background: rgba(255, 92, 28, 0.08);
            color: var(--accent-orange);
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .service-card .card-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-green);
            transition: gap var(--transition-fast);
        }
        .service-card .card-cta:hover {
            gap: 10px;
            text-decoration: underline;
        }

        .service-card .card-cta.orange {
            color: var(--accent-orange);
        }

        .services-asym-grid.row-2 {
            margin-top: 16px;
            grid-template-columns: 5fr 7fr;
        }

        .services-asym-grid.row-2 .service-card.small {
            grid-column: span 5;
        }
        .services-asym-grid.row-2 .service-card.large {
            grid-column: span 7;
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            padding: 72px 0 64px;
            background: var(--bg-primary);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .comparison-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 26px;
            transition: all var(--transition-fast);
        }
        .comparison-card:hover {
            border-color: rgba(198, 246, 66, 0.25);
            transform: translateY(-2px);
        }
        .comparison-card.before {
            border-top: 3px solid var(--text-secondary);
        }
        .comparison-card.after {
            border-top: 3px solid var(--accent-green);
        }
        .comparison-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comparison-card h3 .badge {
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }
        .comparison-card.after h3 .badge {
            background: rgba(198, 246, 66, 0.12);
            color: var(--accent-green);
        }

        .comparison-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .comparison-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }
        .comparison-row:last-child {
            border-bottom: none;
        }
        .comparison-row .dimension {
            color: var(--text-secondary);
        }
        .comparison-row .value {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--text-primary);
        }
        .comparison-row .value.highlight-green {
            color: var(--success);
        }
        .comparison-row .value.highlight-orange {
            color: var(--accent-orange);
        }
        .comparison-row .value .arrow-up {
            color: var(--success);
            margin-left: 4px;
        }
        .comparison-row .value .arrow-down {
            color: var(--danger);
            margin-left: 4px;
        }

        .comparison-summary {
            margin-top: 18px;
            padding: 16px 18px;
            background: rgba(198, 246, 66, 0.04);
            border: 1px solid rgba(198, 246, 66, 0.15);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .comparison-summary strong {
            color: var(--accent-green);
        }

        /* ========== SECURITY ========== */
        .security-section {
            padding: 64px 0;
            background: var(--bg-panel-2);
        }

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

        .security-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .security-card:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .security-card .sec-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            border-radius: 50%;
            background: rgba(198, 246, 66, 0.08);
            color: var(--accent-green);
        }
        .security-card .sec-icon.orange {
            background: rgba(255, 92, 28, 0.08);
            color: var(--accent-orange);
        }
        .security-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .security-card p {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== TOPICS ========== */
        .topics-section {
            padding: 64px 0;
            background: var(--bg-primary);
        }

        .topics-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .topic-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            border-radius: 28px;
            background: var(--bg-panel);
            transition: all var(--transition-fast);
        }
        .topic-pill:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.04);
            transform: translateY(-2px);
        }
        .topic-pill .topic-icon {
            font-size: 14px;
            color: var(--accent-green);
        }
        .topic-pill .topic-count {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 64px 0;
            background: var(--bg-panel-2);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(198, 246, 66, 0.25);
        }
        .faq-item.open {
            border-left: 3px solid var(--accent-green);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-green);
        }
        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-secondary);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-question .faq-toggle-icon {
            transform: rotate(180deg);
            color: var(--accent-green);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
        }

        /* ========== CONTACT FORM ========== */
        .contact-section {
            padding: 64px 0 80px;
            background: var(--bg-primary);
        }

        .contact-panel {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            max-width: 880px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        .contact-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(198, 246, 66, 0.06) 0%, rgba(198, 246, 66, 0) 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .contact-panel h2 {
            font-size: clamp(20px, 2.5vw, 26px);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .contact-panel .contact-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .contact-form {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .contact-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .contact-form .form-group.full {
            grid-column: span 2;
        }

        .contact-form label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .contact-form label .required {
            color: var(--danger);
            margin-left: 2px;
        }

        .contact-form input,
        .contact-form select,
        .contact-form textarea {
            background: #0F1215;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }
        .contact-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: rgba(142, 154, 166, 0.6);
            font-size: 13px;
        }
        .contact-form input:focus,
        .contact-form select:focus,
        .contact-form textarea:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.12);
        }
        .contact-form input.error,
        .contact-form textarea.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(255, 73, 97, 0.12);
        }
        .contact-form input.success,
        .contact-form textarea.success {
            border-color: var(--success);
            box-shadow: 0 0 0 3px rgba(61, 220, 151, 0.12);
        }

        .contact-form .error-msg {
            font-size: 12px;
            color: var(--danger);
            display: none;
        }
        .contact-form .error-msg.show {
            display: block;
        }

        .contact-form .success-msg {
            display: none;
            font-size: 14px;
            color: var(--success);
            font-weight: 600;
            padding: 12px 16px;
            background: rgba(61, 220, 151, 0.08);
            border: 1px solid rgba(61, 220, 151, 0.2);
            border-radius: var(--radius-sm);
        }
        .contact-form .success-msg.show {
            display: block;
        }

        .contact-form .form-actions {
            grid-column: span 2;
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #08090B;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent-green);
            color: #0B0D10;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 900;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .footer-links h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-links ul li {
            margin-bottom: 6px;
        }
        .footer-links ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: var(--accent-green);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .footer-bottom .copyright {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom .copyright a {
            color: var(--text-secondary);
        }
        .footer-bottom .copyright a:hover {
            color: var(--accent-green);
        }
        .footer-bottom .icp {
            color: rgba(142, 154, 166, 0.6);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .container {
                padding: 0 20px;
            }
            .hero-kpi-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-kpi-grid {
                gap: 32px;
            }
            .news-grid {
                grid-template-columns: 1fr 300px;
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-top-row {
                height: 60px;
                gap: 12px;
            }
            .nav-brand {
                font-size: 18px;
            }
            .nav-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .nav-search-wrapper {
                display: none;
            }
            .nav-mobile-toggle {
                display: inline-flex;
            }
            .nav-cta .btn-outline {
                display: none;
            }
            .nav-cta .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }

            .nav-tabs-row {
                height: 44px;
                gap: 6px;
            }
            .nav-tab {
                padding: 6px 14px;
                font-size: 12px;
            }

            .hero-section {
                padding: 36px 0 32px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                gap: 10px;
            }
            .hero-status-bar {
                font-size: 12px;
                padding: 10px 14px;
                gap: 8px 16px;
            }
            .hero-icon-matrix {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-icon-item {
                padding: 10px 14px;
                gap: 8px;
            }
            .hero-icon-item .icon {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .hero-icon-item .icon-text {
                font-size: 12px;
            }
            .hero-kpi-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .kpi-card {
                padding: 14px 16px;
            }
            .kpi-card .kpi-number {
                font-size: 26px;
            }

            .about-kpi-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .about-kpi-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .about-stat-card {
                padding: 16px 14px;
            }
            .about-stat-card .stat-number {
                font-size: 24px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-featured-card,
            .news-tag-cloud {
                flex: 1;
                min-width: 240px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .section-header .section-desc {
                text-align: left;
                max-width: 100%;
            }

            .services-asym-grid,
            .services-asym-grid.row-2 {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .service-card.large,
            .service-card.small,
            .services-asym-grid.row-2 .service-card.small,
            .services-asym-grid.row-2 .service-card.large {
                grid-column: span 1;
            }
            .service-card .card-media {
                height: 160px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .security-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .contact-panel {
                padding: 28px 20px;
            }
            .contact-form {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .contact-form .form-group.full,
            .contact-form .form-actions {
                grid-column: span 1;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-brand {
                font-size: 16px;
            }
            .hero-content h1 {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 13px;
            }
            .hero-kpi-row {
                grid-template-columns: 1fr;
            }
            .hero-icon-matrix {
                grid-template-columns: 1fr;
            }
            .about-kpi-stats {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                flex-direction: column;
            }
            .news-featured-card,
            .news-tag-cloud {
                flex: none;
                min-width: auto;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 14px;
            }
            .contact-panel {
                padding: 20px 16px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0D10;
            --bg-panel: #15191F;
            --bg-panel-2: #171C22;
            --text-primary: #F4F7F5;
            --text-secondary: #8E9AA6;
            --accent-green: #C6F642;
            --accent-green-hover: #D4FA6A;
            --accent-orange: #FF5C1C;
            --border-color: rgba(255, 255, 255, 0.08);
            --success: #3DDC97;
            --warning: #F5A623;
            --danger: #FF4961;
            --font-sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "JetBrains Mono", monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-base: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 13, 16, 0.86);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }
        .nav-top-row {
            display: flex;
            align-items: center;
            gap: 20px;
            min-height: var(--nav-height);
            padding: 10px 0;
            flex-wrap: wrap;
        }
        .nav-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent-green);
            color: #0B0D10;
            font-weight: 800;
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .nav-brand-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-search-wrapper {
            flex: 1;
            min-width: 200px;
            max-width: 420px;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: 999px;
            padding: 0 16px;
            height: 44px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search-wrapper:focus-within {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.15);
        }
        .nav-search-wrapper input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            padding: 0 10px;
            min-width: 0;
        }
        .nav-search-wrapper input::placeholder {
            color: var(--text-secondary);
        }
        .search-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 16px;
            padding: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .search-btn:hover {
            color: var(--accent-green);
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent-green);
            color: #0B0D10;
            border-color: var(--accent-green);
        }
        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 4px 16px rgba(198, 246, 66, 0.3);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .btn-outline:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.06);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            border-color: var(--border-color);
        }
        .btn-ghost:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 6px;
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 17px;
            border-radius: var(--radius-md);
        }

        .nav-tabs-row {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            padding: 8px 0 12px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            flex-shrink: 0;
        }
        .nav-tab:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-tab.active {
            color: #0B0D10;
            background: var(--accent-green);
            font-weight: 700;
            border-color: var(--accent-green);
        }
        .nav-tab .tab-indicator {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .nav-tab.active .tab-indicator {
            opacity: 1;
        }

        @media (max-width: 768px) {
            .nav-top-row {
                gap: 12px;
                min-height: auto;
                padding: 12px 0;
            }
            .nav-brand-text {
                font-size: 18px;
            }
            .nav-search-wrapper {
                order: 3;
                width: 100%;
                max-width: none;
                flex-basis: 100%;
                height: 40px;
            }
            .nav-cta .btn {
                padding: 10px 16px;
                font-size: 13px;
            }
            .nav-tabs-row {
                padding: 6px 0 10px;
                gap: 2px;
            }
            .nav-tab {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        /* ============ Breadcrumbs ============ */
        .breadcrumb-bar {
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 500;
        }

        /* ============ Category Hero ============ */
        .cat-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 480px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            overflow: hidden;
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 13, 16, 0.72), rgba(11, 13, 16, 0.94));
            z-index: 1;
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cat-hero-left .badge-row {
            display: flex;
            gap: 10px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(198, 246, 66, 0.1);
            color: var(--accent-green);
            border: 1px solid rgba(198, 246, 66, 0.25);
            letter-spacing: 0.02em;
        }
        .badge-orange {
            background: rgba(255, 92, 28, 0.1);
            color: var(--accent-orange);
            border-color: rgba(255, 92, 28, 0.3);
        }
        .cat-hero-left h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 18px;
            color: var(--text-primary);
        }
        .cat-hero-left h1 .accent {
            color: var(--accent-green);
        }
        .cat-hero-left .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .cat-hero-left .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cat-hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .kpi-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .kpi-card {
            background: rgba(21, 25, 31, 0.85);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            backdrop-filter: blur(6px);
            transition: all var(--transition-base);
        }
        .kpi-card:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .kpi-card .kpi-label {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
            font-weight: 500;
        }
        .kpi-card .kpi-value {
            font-family: var(--font-mono);
            font-size: 38px;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .kpi-card .kpi-value.orange {
            color: var(--accent-orange);
        }
        .kpi-card .kpi-unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-left: 4px;
        }
        .kpi-card .kpi-trend {
            font-size: 13px;
            font-weight: 600;
            margin-top: 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .kpi-trend.up {
            color: var(--success);
        }
        .kpi-trend.down {
            color: var(--danger);
        }

        @media (max-width: 1024px) {
            .cat-hero {
                min-height: auto;
                padding: 48px 0;
            }
            .cat-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cat-hero-left h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 520px) {
            .cat-hero {
                padding: 36px 0;
            }
            .cat-hero-left h1 {
                font-size: 26px;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .kpi-card .kpi-value {
                font-size: 32px;
            }
        }

        /* ============ Section Common ============ */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 24px;
            }
        }

        /* ============ Service Matrix (Asymmetric) ============ */
        .service-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            align-items: stretch;
        }
        .service-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .service-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #1a1f26;
            flex-shrink: 0;
        }
        .service-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .card-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .service-card h3 {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .service-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }
        .service-card .card-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            transition: gap var(--transition-fast);
        }
        .service-card .card-cta:hover {
            gap: 10px;
            color: var(--accent-green-hover);
        }
        .service-card.large-card {
            grid-row: span 2;
        }
        .service-card.large-card .card-img {
            aspect-ratio: 16/8;
        }
        .service-card.large-card h3 {
            font-size: 26px;
        }
        .service-grid-right {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .service-grid-right .service-card .card-img {
            aspect-ratio: 16/7;
        }
        @media (max-width: 900px) {
            .service-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .service-card.large-card {
                grid-row: auto;
            }
            .service-card.large-card .card-img {
                aspect-ratio: 16/9;
            }
            .service-grid-right {
                gap: 20px;
            }
        }

        /* ============ Scenario Cards ============ */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-base);
        }
        .scenario-item:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .scenario-item .scenario-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(198, 246, 66, 0.1);
            color: var(--accent-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .scenario-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .scenario-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ============ Process Steps ============ */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .process-step:hover {
            border-color: rgba(255, 92, 28, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .process-step .step-number {
            font-family: var(--font-mono);
            font-size: 42px;
            font-weight: 800;
            color: var(--accent-orange);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -0.03em;
        }
        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item.active {
            border-color: rgba(198, 246, 66, 0.35);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            font-family: var(--font-sans);
        }
        .faq-question:hover {
            color: var(--accent-green);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-secondary);
            transition: transform var(--transition-base);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-green);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-left: 2px solid var(--accent-green);
            margin-left: 24px;
            padding-left: 20px;
        }
        .faq-answer p {
            margin-bottom: 0;
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px 16px;
                margin-left: 16px;
                padding-left: 14px;
                font-size: 13px;
            }
        }

        /* ============ CTA Form ============ */
        .cta-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-panel .cta-info h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .cta-panel .cta-info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .cta-panel .cta-info ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-panel .cta-info ul li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cta-panel .cta-info ul li::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
            flex-shrink: 0;
        }
        .form-panel {
            background: #0F1215;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .form-panel .form-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group.full {
            grid-column: 1 / -1;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            background: #0B0D10;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.12);
            outline: none;
        }
        .form-group input.error,
        .form-group textarea.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(255, 73, 97, 0.1);
        }
        .form-group .error-msg {
            font-size: 12px;
            color: var(--danger);
            display: none;
        }
        .form-group .error-msg.show {
            display: block;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        .form-success {
            display: none;
            color: var(--success);
            font-size: 14px;
            font-weight: 500;
            margin-top: 12px;
            padding: 12px;
            background: rgba(61, 220, 151, 0.08);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(61, 220, 151, 0.25);
        }
        .form-success.show {
            display: block;
        }
        .form-actions {
            grid-column: 1 / -1;
            display: flex;
            gap: 12px;
            align-items: center;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .cta-panel {
                grid-template-columns: 1fr;
                padding: 28px 20px;
                gap: 28px;
            }
            .form-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .form-group.full {
                grid-column: 1;
            }
            .form-actions {
                grid-column: 1;
            }
        }

        /* ============ Brand Intro ============ */
        .brand-intro {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
        }
        .brand-intro::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(11, 13, 16, 0.82);
            z-index: 1;
        }
        .brand-intro .container {
            position: relative;
            z-index: 2;
        }
        .brand-intro-content {
            max-width: 780px;
        }
        .brand-intro-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-green);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .brand-intro-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            font-size: 16px;
        }
        .footer-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-top: 10px;
            display: block;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 10px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-green);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .footer-bottom .copyright {
            color: var(--text-secondary);
        }
        .footer-bottom .beian {
            color: rgba(255, 255, 255, 0.35);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0D10;
            --bg-panel: #15191F;
            --bg-panel-2: #171C22;
            --text-primary: #F4F7F5;
            --text-secondary: #8E9AA6;
            --accent-green: #C6F642;
            --accent-green-hover: #D6FF5C;
            --accent-orange: #FF5C1C;
            --border-color: rgba(255, 255, 255, 0.08);
            --success: #3DDC97;
            --warning: #F5A623;
            --danger: #FF4961;
            --font-sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "JetBrains Mono", monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --nav-height: 64px;
        }

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

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        ::selection {
            background: var(--accent-green);
            color: #0B0D10;
        }

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

        /* ========== 面包屑 ========== */
        .page-breadcrumb {
            padding: 24px 0 12px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 32px;
        }
        .page-breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .page-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.25);
            user-select: none;
        }
        .page-breadcrumb a:hover {
            color: var(--accent-green);
        }
        .page-breadcrumb .current {
            color: var(--accent-green);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .cat-hero {
            position: relative;
            padding: 56px 0 64px;
            background: linear-gradient(180deg, rgba(11, 13, 16, 0.82), rgba(11, 13, 16, 0.96)),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(198, 246, 66, 0.07), transparent 70%);
            pointer-events: none;
        }
        .cat-hero .container {
            position: relative;
            z-index: 1;
        }
        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(198, 246, 66, 0.1);
            border: 1px solid rgba(198, 246, 66, 0.25);
            border-radius: 100px;
            font-size: 13px;
            color: var(--accent-green);
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }
        .cat-hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }
        .cat-hero h1 {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        .cat-hero h1 .highlight {
            color: var(--accent-green);
            position: relative;
        }
        .cat-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-actions .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
        }
        .hero-actions .btn-primary {
            background: var(--accent-green);
            color: #0B0D10;
            border: 2px solid var(--accent-green);
        }
        .hero-actions .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(198, 246, 66, 0.25);
        }
        .hero-actions .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }
        .hero-actions .btn-outline:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 40px;
        }
        .hero-stat {
            background: rgba(21, 25, 31, 0.75);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            backdrop-filter: blur(6px);
            transition: all var(--transition-base);
        }
        .hero-stat:hover {
            border-color: rgba(198, 246, 66, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .hero-stat .stat-num {
            font-family: var(--font-mono);
            font-size: clamp(26px, 3vw, 38px);
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .hero-stat .stat-num .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-left: 2px;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        /* ========== 筛选标签 ========== */
        .filter-section {
            padding: 28px 0 8px;
        }
        .filter-section .filter-scroll {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 4px;
            flex-wrap: nowrap;
        }
        .filter-section .filter-scroll::-webkit-scrollbar {
            display: none;
        }
        .filter-pill {
            flex-shrink: 0;
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-pill:hover {
            color: var(--text-primary);
            border-color: rgba(198, 246, 66, 0.35);
        }
        .filter-pill.active {
            background: var(--accent-green);
            color: #0B0D10;
            border-color: var(--accent-green);
        }
        .filter-pill:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        /* ========== 分析能力矩阵 ========== */
        .capability-section {
            padding: 64px 0 40px;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }
        .section-head .section-label {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-orange);
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.25;
            color: var(--text-primary);
        }
        .section-head .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 480px;
            line-height: 1.7;
        }
        .capability-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 20px;
        }
        .capability-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .capability-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-green), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .capability-card:hover::before {
            opacity: 1;
        }
        .capability-card:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .capability-card-large {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .capability-card .cap-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-panel-2);
        }
        .capability-card .cap-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .capability-card:hover .cap-img img {
            transform: scale(1.03);
        }
        .capability-card .cap-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(198, 246, 66, 0.1);
            color: var(--accent-green);
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        .capability-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-top: 8px;
        }
        .capability-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 10px;
        }
        .capability-card .cap-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            margin-top: auto;
            padding-top: 12px;
            transition: gap var(--transition-fast);
        }
        .capability-card .cap-link:hover {
            gap: 10px;
        }

        /* ========== 指标看板 ========== */
        .metrics-section {
            padding: 56px 0;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .metrics-section .section-head {
            margin-bottom: 28px;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .metric-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .metric-card:hover {
            border-color: rgba(255, 92, 28, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .metric-card .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 92, 28, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 20px;
        }
        .metric-card .metric-value {
            font-family: var(--font-mono);
            font-size: clamp(30px, 3.5vw, 44px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.1;
            letter-spacing: -0.01em;
        }
        .metric-card .metric-value .trend-up {
            color: var(--success);
            font-size: 16px;
            margin-left: 4px;
        }
        .metric-card .metric-value .trend-down {
            color: var(--danger);
            font-size: 16px;
            margin-left: 4px;
        }
        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ========== 流程步骤 ========== */
        .process-section {
            padding: 64px 0;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
            margin-top: 10px;
        }
        .process-step {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: all var(--transition-base);
            counter-increment: step;
        }
        .process-step:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .process-step .step-num {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .process-step .step-num::before {
            content: "0" counter(step);
            font-size: 32px;
            font-weight: 800;
            color: rgba(198, 246, 66, 0.2);
            letter-spacing: -0.02em;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 12px;
            line-height: 1.4;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 8px;
        }

        /* ========== 应用场景 ========== */
        .scenario-section {
            padding: 56px 0 64px;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 10px;
        }
        .scenario-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .scenario-card:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .scenario-card .scenario-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #0F1215;
        }
        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.05);
        }
        .scenario-card .scenario-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .scenario-card .scenario-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .scenario-card .scenario-tags span {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            font-weight: 500;
        }
        .scenario-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 8px;
            flex: 1;
        }
        .scenario-card .scenario-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            margin-top: 16px;
            transition: gap var(--transition-fast);
        }
        .scenario-card .scenario-cta:hover {
            gap: 10px;
        }
        .load-more-wrap {
            text-align: center;
            margin-top: 28px;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-base);
        }
        .load-more-btn:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 64px 0;
        }
        .faq-list {
            max-width: 820px;
            margin: 20px auto 0;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--bg-panel);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item.active {
            border-color: rgba(198, 246, 66, 0.35);
        }
        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
            background: transparent;
        }
        .faq-item .faq-question:hover {
            color: var(--accent-green);
        }
        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.1);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            border-top: 1px solid transparent;
        }
        .faq-item.active .faq-answer {
            max-height: 180px;
            padding: 16px 20px;
            border-top-color: var(--border-color);
            border-left: 2px solid var(--accent-green);
        }
        .faq-item .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA 转化表单 ========== */
        .cta-form-section {
            padding: 64px 0 80px;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-color);
        }
        .cta-form-panel {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: start;
        }
        .cta-form-left h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .cta-form-left p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
        }
        .cta-form-left .cta-benefits {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-form-left .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-primary);
        }
        .cta-form-left .cta-benefits li .check {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(61, 220, 151, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--success);
            font-size: 12px;
            flex-shrink: 0;
        }
        .cta-form-right .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .cta-form-right .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .cta-form-right .form-group.full {
            grid-column: span 2;
        }
        .cta-form-right label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }
        .cta-form-right input,
        .cta-form-right select,
        .cta-form-right textarea {
            background: #0F1215;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            width: 100%;
            outline: none;
            -webkit-appearance: none;
            appearance: none;
        }
        .cta-form-right input::placeholder,
        .cta-form-right textarea::placeholder {
            color: rgba(142, 154, 166, 0.6);
        }
        .cta-form-right input:focus,
        .cta-form-right select:focus,
        .cta-form-right textarea:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.12);
        }
        .cta-form-right input.error,
        .cta-form-right select.error,
        .cta-form-right textarea.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(255, 73, 97, 0.1);
        }
        .cta-form-right textarea {
            resize: vertical;
            min-height: 80px;
        }
        .cta-form-right .error-msg {
            font-size: 12px;
            color: var(--danger);
            display: none;
        }
        .cta-form-right .error-msg.show {
            display: block;
        }
        .cta-form-right .form-submit-btn {
            grid-column: span 2;
            padding: 16px 32px;
            background: var(--accent-green);
            color: #0B0D10;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
            border: 2px solid var(--accent-green);
        }
        .cta-form-right .form-submit-btn:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(198, 246, 66, 0.2);
        }
        .cta-form-right .form-submit-btn:active {
            transform: translateY(0);
        }
        .form-success-msg {
            display: none;
            grid-column: span 2;
            padding: 12px 16px;
            background: rgba(61, 220, 151, 0.1);
            border: 1px solid rgba(61, 220, 151, 0.3);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--success);
        }
        .form-success-msg.show {
            display: block;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .hero-stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-form-panel {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 32px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .page-breadcrumb {
                padding: 16px 0 8px;
                margin-bottom: 20px;
            }
            .cat-hero {
                padding: 36px 0 44px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .cat-hero .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 8px;
            }
            .hero-actions .btn {
                justify-content: center;
                padding: 12px 20px;
                font-size: 14px;
            }
            .hero-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                margin-top: 28px;
            }
            .hero-stat {
                padding: 14px 12px;
            }
            .hero-stat .stat-num {
                font-size: 24px;
            }
            .capability-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .capability-card-large {
                grid-row: auto;
            }
            .capability-card {
                padding: 20px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 16px 12px;
            }
            .metric-card .metric-value {
                font-size: 26px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cta-form-panel {
                padding: 24px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-form-right .form-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-right .form-group.full,
            .cta-form-right .form-submit-btn,
            .form-success-msg {
                grid-column: span 1;
            }
            .cta-form-left h3 {
                font-size: 22px;
            }
            .faq-item .faq-question {
                font-size: 15px;
                padding: 15px 16px;
            }
            .faq-item.active .faq-answer {
                padding: 14px 16px;
                max-height: 240px;
            }
            .filter-pill {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .hero-stats-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .cat-hero h1 {
                font-size: 24px;
            }
            .cat-hero {
                padding: 28px 0 36px;
            }
            .section-head h2 {
                font-size: 22px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category4 */
/* ===== 本页独有模块样式（依赖公共设计变量） ===== */
        :root {
            --bg-primary: #0B0D10;
            --bg-panel: #15191F;
            --bg-panel-2: #171C22;
            --text-primary: #F4F7F5;
            --text-secondary: #8E9AA6;
            --accent-green: #C6F642;
            --accent-green-hover: #D4FF5E;
            --accent-orange: #FF5C1C;
            --border-color: rgba(255,255,255,0.08);
            --success: #3DDC97;
            --warning: #F5A623;
            --danger: #FF4961;
            --font-sans: "HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
            --font-mono: "DIN Alternate","Roboto Mono","JetBrains Mono",monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.32);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.48);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --nav-height: 64px;
        }

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

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

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            min-height: 100vh;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

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

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            padding: 24px 0 0;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 32px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .sep {
            color: var(--text-secondary);
            opacity: 0.6;
        }
        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 600;
        }

        /* ===== 频道头部 ===== */
        .category-hero {
            padding: 32px 0 40px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 40px;
            background: linear-gradient(180deg, rgba(198,246,66,0.04) 0%, transparent 100%);
        }
        .category-hero h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .category-hero h1 .highlight {
            color: var(--accent-green);
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 860px;
            margin-top: 12px;
        }

        /* ===== 筛选区 ===== */
        .filter-bar {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding: 16px 0;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .filter-bar::-webkit-scrollbar {
            display: none;
        }
        .filter-pill {
            flex-shrink: 0;
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-pill:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .filter-pill.active {
            background: var(--accent-green);
            color: #0B0D10;
            border-color: var(--accent-green);
        }
        .filter-pill:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        /* ===== 卡片列表 ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }
        .card-lg {
            grid-column: span 7;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .card-lg:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(198,246,66,0.4);
        }
        .card-lg .card-img {
            height: 260px;
            overflow: hidden;
            position: relative;
        }
        .card-lg .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .card-lg:hover .card-img img {
            transform: scale(1.04);
        }
        .card-lg .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-lg .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.02em;
            background: rgba(198,246,66,0.12);
            color: var(--accent-green);
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .card-lg .card-title {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.35;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .card-lg .card-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .card-lg .card-meta {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            flex-wrap: wrap;
        }
        .card-lg .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .card-lg .card-meta .num {
            font-family: var(--font-mono);
            color: var(--accent-green);
            font-weight: 700;
            font-size: 14px;
        }
        .card-sm-wrap {
            grid-column: span 5;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .card-sm {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
        }
        .card-sm:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: rgba(198,246,66,0.3);
        }
        .card-sm .sm-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-panel-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--accent-green);
            font-family: var(--font-mono);
        }
        .card-sm .sm-info {
            flex: 1;
            min-width: 0;
        }
        .card-sm .sm-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .card-sm .sm-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .card-sm .sm-badge {
            flex-shrink: 0;
            padding: 3px 10px;
            border-radius: 100px;
            font-size: 11px;
            font-weight: 700;
            background: rgba(255,92,28,0.15);
            color: var(--accent-orange);
            letter-spacing: 0.02em;
        }

        /* ===== 数据看板 ===== */
        .data-board {
            margin-bottom: 56px;
        }
        .section-heading {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .section-heading h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
        }
        .section-heading .sub-text {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .kpi-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition-base);
        }
        .kpi-card:hover {
            border-color: rgba(198,246,66,0.3);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .kpi-card .kpi-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .kpi-card .kpi-value {
            font-family: var(--font-mono);
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-green);
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .kpi-card .kpi-unit {
            font-size: 13px;
            color: var(--text-secondary);
            font-family: var(--font-sans);
        }
        .kpi-card .kpi-trend {
            font-size: 12px;
            font-family: var(--font-mono);
            font-weight: 600;
            margin-top: 6px;
        }
        .kpi-card .trend-up {
            color: var(--success);
        }
        .kpi-card .trend-down {
            color: var(--danger);
        }

        /* ===== 服务模块 ===== */
        .service-block {
            margin-bottom: 56px;
        }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .service-big {
            grid-column: span 7;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            position: relative;
            overflow: hidden;
        }
        .service-big::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(198,246,66,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .service-big .s-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(198,246,66,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 18px;
            font-weight: 800;
            color: var(--accent-green);
            font-family: var(--font-mono);
        }
        .service-big h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .service-big p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .service-big ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .service-big ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding-left: 20px;
            position: relative;
            line-height: 1.6;
        }
        .service-big ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
        }
        .service-small-wrap {
            grid-column: span 5;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .service-small {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .service-small:hover {
            border-color: rgba(255,92,28,0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .service-small h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .service-small p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .service-small .mini-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 100px;
            font-size: 11px;
            font-weight: 700;
            background: rgba(255,92,28,0.12);
            color: var(--accent-orange);
            margin-bottom: 8px;
            align-self: flex-start;
        }

        /* ===== 流程区块 ===== */
        .process-block {
            margin-bottom: 56px;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            position: relative;
            transition: all var(--transition-base);
            counter-increment: step;
        }
        .process-step:hover {
            border-color: rgba(198,246,66,0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .process-step::before {
            content: counter(step, decimal-leading-zero);
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 800;
            color: rgba(198,246,66,0.3);
            position: absolute;
            top: 12px;
            right: 18px;
            line-height: 1;
        }
        .process-step .step-num {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--accent-green);
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-block {
            margin-bottom: 56px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item.active {
            border-color: rgba(198,246,66,0.5);
            box-shadow: 0 0 24px rgba(198,246,66,0.06);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            position: relative;
            transition: color var(--transition-fast);
            font-family: var(--font-sans);
        }
        .faq-question:hover {
            color: var(--accent-green);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: -2px;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-panel-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-green);
            transition: transform var(--transition-fast);
            font-family: var(--font-mono);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(198,246,66,0.15);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base) ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
            border-top: 1px solid rgba(198,246,66,0.2);
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding-top: 16px;
        }

        /* ===== CTA 表单 ===== */
        .cta-block {
            margin-bottom: 56px;
        }
        .cta-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(198,246,66,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-info h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .cta-info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-benefits li {
            font-size: 14px;
            color: var(--text-secondary);
            padding-left: 24px;
            position: relative;
            line-height: 1.6;
        }
        .cta-benefits li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--success);
            font-weight: 700;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            background: #0F1215;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            outline: none;
            width: 100%;
            resize: vertical;
            min-height: 44px;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198,246,66,0.15);
        }
        .form-group input.error,
        .form-group textarea.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(255,73,97,0.12);
        }
        .form-group .error-msg {
            font-size: 12px;
            color: var(--danger);
            font-weight: 500;
        }
        .form-group .success-msg {
            font-size: 12px;
            color: var(--success);
            font-weight: 500;
        }
        .form-submit-btn {
            background: var(--accent-green);
            color: #0B0D10;
            border: none;
            border-radius: var(--radius-sm);
            padding: 14px 24px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
            width: 100%;
            letter-spacing: 0.02em;
            margin-top: 4px;
        }
        .form-submit-btn:hover {
            background: var(--accent-green-hover);
            transform: translateY(-1px);
        }
        .form-submit-btn:active {
            transform: translateY(0);
        }
        .form-submit-btn:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        /* ===== 品牌简短介绍 ===== */
        .brand-intro {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin-bottom: 56px;
            position: relative;
        }
        .brand-intro h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--accent-green);
            margin-bottom: 10px;
        }
        .brand-intro p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .card-lg {
                grid-column: span 12;
            }
            .card-sm-wrap {
                grid-column: span 12;
                display: grid;
                grid-template-columns: 1fr 1fr;
            }
            .service-big {
                grid-column: span 12;
            }
            .service-small-wrap {
                grid-column: span 12;
                display: grid;
                grid-template-columns: 1fr 1fr;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 24px 0 28px;
                margin-bottom: 24px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .filter-bar {
                padding: 12px 0;
                margin-bottom: 20px;
            }
            .cards-grid {
                gap: 16px;
                margin-bottom: 32px;
            }
            .card-sm-wrap {
                grid-template-columns: 1fr;
            }
            .card-sm {
                padding: 16px 18px;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .kpi-card {
                padding: 16px 18px;
            }
            .service-grid {
                gap: 16px;
            }
            .service-big {
                padding: 24px 20px;
            }
            .service-small-wrap {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-panel {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 24px 20px;
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .brand-intro {
                padding: 20px;
            }
            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .kpi-card .kpi-value {
                font-size: 32px;
            }
            .card-lg .card-img {
                height: 180px;
            }
            .card-lg .card-body {
                padding: 18px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
            .cta-panel {
                padding: 20px 16px;
            }
            .form-group input,
            .form-group select,
            .form-group textarea {
                padding: 10px 12px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0D10;
            --bg-panel: #15191F;
            --bg-panel-2: #171C22;
            --text-primary: #F4F7F5;
            --text-secondary: #8E9AA6;
            --accent-green: #C6F642;
            --accent-green-hover: #D4FF5E;
            --accent-orange: #FF5C1C;
            --border-color: rgba(255, 255, 255, 0.08);
            --success: #3DDC97;
            --warning: #F5A623;
            --danger: #FF4961;
            --font-sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "JetBrains Mono", monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --nav-height: 64px;
            --nav-second-height: 48px;
        }

        *,
        *::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);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            cursor: pointer;
        }

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

        /* 本页独有模块样式 */

        /* 面包屑 */
        .breadcrumb-wrapper {
            padding: 24px 0 0;
            background: var(--bg-primary);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.2);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 600;
        }

        /* 分类页频道头部 */
        .category-header {
            padding: 40px 0 32px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
        }
        .category-header h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 12px;
        }
        .category-header h1 .highlight {
            color: var(--accent-green);
        }
        .category-header .seo-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 860px;
            margin-top: 8px;
        }
        .category-header .category-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .category-header .category-tags .tag {
            padding: 4px 12px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            font-size: 12px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .category-header .category-tags .tag:hover,
        .category-header .category-tags .tag.active {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        /* 拼团 Hero */
        .hero-group {
            padding: 48px 0 56px;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .hero-group::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(11, 13, 16, 0.72), rgba(11, 13, 16, 0.94));
            pointer-events: none;
            z-index: 1;
        }
        .hero-group .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-group .container {
            position: relative;
            z-index: 2;
        }
        .hero-group-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: center;
        }
        .hero-group-left {
            padding: 24px 0;
        }
        .hero-group-left .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border: 1px solid rgba(198, 246, 66, 0.3);
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.08em;
            margin-bottom: 16px;
            background: rgba(198, 246, 66, 0.06);
        }
        .hero-group-left .hero-eyebrow .dot {
            width: 6px;
            height: 6px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }
        .hero-group-left h2 {
            font-size: clamp(30px, 4.5vw, 48px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .hero-group-left h2 .accent {
            color: var(--accent-green);
        }
        .hero-group-left .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 540px;
            margin-bottom: 28px;
        }
        .hero-group-left .hero-metrics {
            display: flex;
            gap: 32px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .hero-group-left .hero-metrics .metric-item {
            display: flex;
            flex-direction: column;
        }
        .hero-group-left .hero-metrics .metric-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .hero-group-left .hero-metrics .metric-value .unit {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 400;
        }
        .hero-group-left .hero-metrics .metric-label {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.06em;
            margin-top: 4px;
        }
        .hero-group-left .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            letter-spacing: 0.02em;
        }
        .btn-glow.primary {
            background: var(--accent-green);
            color: #0B0D10;
        }
        .btn-glow.primary:hover {
            background: var(--accent-green-hover);
            box-shadow: 0 0 24px rgba(198, 246, 66, 0.35);
            transform: translateY(-2px);
        }
        .btn-glow.primary::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
            transition: left 0.5s ease;
        }
        .btn-glow.primary:hover::after {
            left: 100%;
        }
        .btn-glow.secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        .btn-glow.secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-2px);
        }

        /* 拼团卡片 */
        .group-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-base);
        }
        .group-card:hover {
            border-color: rgba(198, 246, 66, 0.4);
            box-shadow: 0 8px 40px rgba(198, 246, 66, 0.08);
        }
        .group-card .card-badge {
            display: inline-block;
            padding: 2px 10px;
            background: rgba(255, 92, 28, 0.12);
            border: 1px solid rgba(255, 92, 28, 0.3);
            border-radius: 100px;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-orange);
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }
        .group-card h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .group-card .card-pack-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .group-card .progress-section {
            margin-bottom: 16px;
        }
        .group-card .progress-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .group-card .progress-row .joined-count {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-green);
            font-size: 16px;
        }
        .group-card .progress-row .target-count {
            font-family: var(--font-mono);
            color: var(--text-secondary);
        }
        .group-card .progress-track {
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 3px;
            overflow: hidden;
        }
        .group-card .progress-fill {
            height: 100%;
            background: var(--accent-green);
            border-radius: 3px;
            transition: width var(--transition-base);
            width: 60%;
        }
        .group-card .group-alert {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            background: rgba(61, 220, 151, 0.08);
            border: 1px solid rgba(61, 220, 151, 0.2);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--success);
            margin-bottom: 16px;
        }
        .group-card .group-alert .alert-icon {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--success);
            color: #0B0D10;
            border-radius: 50%;
            font-weight: 700;
            font-size: 11px;
        }
        .group-card .btn-group {
            display: flex;
            gap: 10px;
        }
        .group-card .btn-group .btn-sm {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            text-align: center;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .group-card .btn-group .btn-start {
            background: var(--accent-green);
            color: #0B0D10;
        }
        .group-card .btn-group .btn-start:hover {
            background: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(198, 246, 66, 0.3);
            transform: translateY(-1px);
        }
        .group-card .btn-group .btn-join {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border-color);
        }
        .group-card .btn-group .btn-join:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-1px);
        }

        /* 资源卖点区 */
        .section-block {
            padding: 64px 0;
            background: var(--bg-primary);
        }
        .section-block.alt {
            background: var(--bg-panel-2);
        }
        .section-block .section-head {
            margin-bottom: 36px;
        }
        .section-block .section-head h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .section-block .section-head h2 .accent {
            color: var(--accent-green);
        }
        .section-block .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 600px;
            line-height: 1.7;
        }
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .resource-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .resource-card:hover {
            border-color: rgba(198, 246, 66, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .resource-card .card-img {
            width: 100%;
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .resource-card .card-img .img-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, transparent, rgba(11, 13, 16, 0.75));
        }
        .resource-card .card-img .card-img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 4px 10px;
            background: rgba(11, 13, 16, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.04em;
        }
        .resource-card .card-body {
            padding: 18px 18px 20px;
        }
        .resource-card .card-body h3 {
            font-size: 17px;
            font-weight: 650;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .resource-card .card-body .card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .resource-card .card-body .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 10px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-secondary);
        }
        .resource-card .card-body .card-meta .meta-count {
            font-family: var(--font-mono);
            color: var(--accent-green);
            font-weight: 600;
        }

        /* 筛选标签 */
        .filter-row {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding-bottom: 8px;
            margin-bottom: 20px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .filter-row::-webkit-scrollbar {
            display: none;
        }
        .filter-pill {
            flex-shrink: 0;
            padding: 7px 16px;
            border: 1px solid var(--border-color);
            border-radius: 100px;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-panel);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
            user-select: none;
        }
        .filter-pill:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .filter-pill.active {
            border-color: var(--accent-green);
            color: #0B0D10;
            background: var(--accent-green);
            font-weight: 600;
        }

        /* 数据指标对比 */
        .metric-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .compare-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
        }
        .compare-card h3 {
            font-size: 16px;
            font-weight: 650;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .compare-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row .dimension {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .compare-row .values {
            display: flex;
            gap: 12px;
            align-items: center;
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 600;
        }
        .compare-row .values .value-a {
            color: var(--text-secondary);
        }
        .compare-row .values .value-b {
            color: var(--accent-green);
        }
        .compare-row .values .diff-up {
            color: var(--success);
            font-size: 12px;
        }
        .compare-row .values .diff-down {
            color: var(--danger);
            font-size: 12px;
        }

        /* 流程 */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
        }
        .process-step {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            position: relative;
            transition: all var(--transition-base);
        }
        .process-step:hover {
            border-color: rgba(198, 246, 66, 0.4);
            transform: translateY(-2px);
        }
        .process-step .step-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--accent-green);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 10px;
        }
        .process-step h4 {
            font-size: 15px;
            font-weight: 650;
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.active {
            border-color: rgba(198, 246, 66, 0.5);
            border-left: 2px solid var(--accent-green);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 18px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question .q-text {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
        }
        .faq-question .q-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .faq-item.active .faq-question .q-icon {
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
        }
        .faq-answer-inner {
            padding: 0 18px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA 表单 */
        .cta-form-section {
            padding: 64px 0;
            background: var(--bg-primary);
        }
        .cta-form-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            position: relative;
            overflow: hidden;
        }
        .cta-form-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(198, 246, 66, 0.05);
            pointer-events: none;
        }
        .cta-form-left h3 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .cta-form-left h3 .accent {
            color: var(--accent-green);
        }
        .cta-form-left p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .cta-form-right .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .cta-form-right .form-field {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .cta-form-right .form-field.full {
            grid-column: 1 / -1;
        }
        .cta-form-right label {
            font-size: 12px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .cta-form-right input,
        .cta-form-right select,
        .cta-form-right textarea {
            background: #0F1215;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 11px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            width: 100%;
        }
        .cta-form-right input:focus,
        .cta-form-right select:focus,
        .cta-form-right textarea:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.12);
            outline: none;
        }
        .cta-form-right input::placeholder,
        .cta-form-right textarea::placeholder {
            color: rgba(142, 154, 166, 0.6);
        }
        .cta-form-right textarea {
            resize: vertical;
            min-height: 80px;
        }
        .cta-form-right .form-submit {
            grid-column: 1 / -1;
            margin-top: 6px;
        }
        .cta-form-right .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--accent-green);
            color: #0B0D10;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .cta-form-right .btn-submit:hover {
            background: var(--accent-green-hover);
            box-shadow: 0 0 24px rgba(198, 246, 66, 0.3);
            transform: translateY(-2px);
        }
        .form-success-msg,
        .form-error-msg {
            font-size: 13px;
            margin-top: 6px;
            display: none;
        }
        .form-success-msg.show {
            display: block;
            color: var(--success);
        }
        .form-error-msg.show {
            display: block;
            color: var(--danger);
        }

        /* 品牌介绍 */
        .brand-intro {
            padding: 48px 0 64px;
            background: var(--bg-panel-2);
            border-top: 1px solid var(--border-color);
        }
        .brand-intro .container {
            max-width: 860px;
        }
        .brand-intro h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .brand-intro h2 .accent {
            color: var(--accent-green);
        }
        .brand-intro p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* 加载更多按钮 */
        .load-more-wrap {
            text-align: center;
            margin-top: 28px;
        }
        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }
        .btn-load-more:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-group-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-form-panel {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .metric-compare {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .category-header {
                padding: 24px 0 20px;
            }
            .hero-group {
                padding: 32px 0 40px;
            }
            .hero-group-left .hero-metrics {
                gap: 20px;
            }
            .hero-group-left .hero-metrics .metric-value {
                font-size: 22px;
            }
            .hero-group-left .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-group-left .hero-actions .btn-glow {
                width: 100%;
            }
            .group-card .btn-group {
                flex-direction: column;
            }
            .section-block {
                padding: 48px 0;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-panel {
                padding: 24px 18px;
            }
            .cta-form-right .form-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-right .form-field.full {
                grid-column: 1;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .filter-pill {
                font-size: 12px;
                padding: 6px 12px;
            }
        }
        @media (max-width: 520px) {
            .hero-group-left h2 {
                font-size: 26px;
            }
            .hero-group-left .hero-metrics {
                flex-direction: column;
                gap: 12px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .group-card {
                padding: 20px 16px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .compare-card {
                padding: 16px 14px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0B0D10;
            --bg-panel: #15191F;
            --bg-panel-2: #171C22;
            --text-primary: #F4F7F5;
            --text-secondary: #8E9AA6;
            --accent-green: #C6F642;
            --accent-green-hover: #D3FA5C;
            --accent-orange: #FF5C1C;
            --border-color: rgba(255, 255, 255, 0.08);
            --success: #3DDC97;
            --warning: #F5A623;
            --danger: #FF4961;
            --font-sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "JetBrains Mono", monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 4px 18px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 10px 36px rgba(0, 0, 0, 0.45);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --nav-height: 124px;
        }

        *,
        *::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: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
            color: var(--text-primary);
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 13, 16, 0.86);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 64px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.01em;
            flex-shrink: 0;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

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

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent-green);
            border-radius: var(--radius-sm);
            color: #0B0D10;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .nav-search-wrapper {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 460px;
            min-width: 200px;
            position: relative;
        }

        .nav-search-wrapper input {
            width: 100%;
            height: 40px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0 44px 0 16px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        .nav-search-wrapper input:focus {
            outline: none;
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.15);
        }

        .search-btn {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 16px;
            padding: 6px;
            border-radius: 50%;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .search-btn:hover {
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.08);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 20px;
            background: var(--accent-green);
            color: #0B0D10;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.01em;
            flex-shrink: 0;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-cta:hover {
            background: var(--accent-green-hover);
            box-shadow: 0 0 20px rgba(198, 246, 66, 0.25);
            transform: translateY(-1px);
        }

        .nav-cta:active {
            transform: translateY(0);
        }

        .nav-tabs-row {
            display: flex;
            align-items: center;
            gap: 6px;
            height: 48px;
            padding: 0 24px;
            max-width: 1200px;
            margin: 0 auto;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 16px;
            border-radius: 17px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
            border: 1px solid transparent;
            flex-shrink: 0;
        }

        .nav-tab:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-tab.active {
            color: #0B0D10;
            background: var(--accent-green);
            font-weight: 700;
            border-color: var(--accent-green);
        }

        /* Hero - 拼团转化 */
        .hero-pintuan {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            padding: 80px 0 100px;
            background-image: linear-gradient(180deg, rgba(11, 13, 16, 0.72), rgba(11, 13, 16, 0.94)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-pintuan::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 550px;
            height: 550px;
            background: radial-gradient(circle, rgba(198, 246, 66, 0.06) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-pintuan .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .hero-left {
            flex: 0 0 52%;
            max-width: 52%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(198, 246, 66, 0.1);
            border: 1px solid rgba(198, 246, 66, 0.3);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-green);
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(198, 246, 66, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(198, 246, 66, 0);
            }
        }

        .hero-pintuan h1 {
            font-size: clamp(32px, 4.8vw, 56px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

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

        .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 480px;
            margin-bottom: 28px;
        }

        .hero-group-hint {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
            padding: 12px 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
        }

        .hero-group-hint .avatar-stack {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .hero-group-hint .avatar-stack .mini-avatar {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--bg-panel);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            font-weight: 700;
            color: #0B0D10;
            margin-right: -8px;
            flex-shrink: 0;
        }

        .hero-group-hint .avatar-stack .mini-avatar:nth-child(1) {
            background: #C6F642;
        }
        .hero-group-hint .avatar-stack .mini-avatar:nth-child(2) {
            background: #FF5C1C;
        }
        .hero-group-hint .avatar-stack .mini-avatar:nth-child(3) {
            background: #3DDC97;
        }
        .hero-group-hint .avatar-stack .mini-avatar:nth-child(4) {
            background: #F5A623;
        }

        .hero-group-hint .hint-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .hero-group-hint .hint-text strong {
            color: var(--text-primary);
            font-weight: 700;
        }

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

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--accent-green);
            color: #0B0D10;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.01em;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .btn-primary-hero:hover {
            background: var(--accent-green-hover);
            box-shadow: 0 8px 28px rgba(198, 246, 66, 0.3);
            transform: translateY(-2px);
        }

        .btn-secondary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.01em;
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
        }

        .btn-secondary-hero:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.05);
        }

        .hero-right {
            flex: 0 0 42%;
            max-width: 42%;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-stat-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .hero-stat-card:hover {
            border-color: rgba(198, 246, 66, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .hero-stat-card .stat-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .hero-stat-card .stat-icon.green {
            background: rgba(198, 246, 66, 0.12);
            color: var(--accent-green);
        }
        .hero-stat-card .stat-icon.orange {
            background: rgba(255, 92, 28, 0.12);
            color: var(--accent-orange);
        }
        .hero-stat-card .stat-icon.teal {
            background: rgba(61, 220, 151, 0.12);
            color: var(--success);
        }

        .hero-stat-card .stat-info {
            flex: 1;
        }

        .hero-stat-card .stat-info .stat-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .hero-stat-card .stat-info .stat-num .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-left: 2px;
        }

        .hero-stat-card .stat-info .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        /* Section General */
        .section {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: clamp(26px, 3.2vw, 36px);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header h2 .highlight {
            color: var(--accent-green);
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--accent-green);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

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

        .coverage-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .coverage-item:hover {
            border-color: rgba(198, 246, 66, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .coverage-item .cov-icon {
            font-size: 28px;
            margin-bottom: 10px;
            display: block;
        }

        .coverage-item .cov-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .coverage-item .cov-desc {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Service Matrix - 非对称 */
        .service-matrix {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 20px;
        }

        .service-card-lg {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .service-card-lg:hover {
            border-color: rgba(198, 246, 66, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .service-card-lg .card-img {
            height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .service-card-lg .card-body {
            padding: 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-lg .card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(198, 246, 66, 0.1);
            color: var(--accent-green);
            font-size: 11px;
            font-weight: 600;
            border-radius: 12px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .service-card-lg h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .service-card-lg p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-green);
            transition: gap var(--transition-fast), color var(--transition-fast);
            margin-top: auto;
        }

        .card-link:hover {
            gap: 10px;
            color: var(--accent-green-hover);
        }

        .service-card-sm {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .service-card-sm:hover {
            border-color: rgba(255, 92, 28, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .service-card-sm h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

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

        .service-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        /* Brand Intro */
        .brand-intro-section {
            background: var(--bg-panel-2);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 64px 0;
        }

        .brand-intro-wrapper {
            display: flex;
            align-items: flex-start;
            gap: 40px;
        }

        .brand-intro-left {
            flex: 0 0 28%;
        }

        .brand-intro-left .brand-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .brand-intro-left .brand-badge .brand-icon-sm {
            width: 32px;
            height: 32px;
            background: var(--accent-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0D10;
            font-weight: 900;
            font-size: 14px;
        }

        .brand-intro-left .brand-tagline {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .brand-intro-right {
            flex: 1;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        .brand-intro-right p {
            margin-bottom: 12px;
        }

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

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

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

        .comparison-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
        }

        .comparison-card .comp-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .comparison-card .comp-title.accent-green-title {
            color: var(--accent-green);
        }

        .comp-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .comp-row .comp-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .comp-row .comp-value {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .comp-row .comp-value.up {
            color: var(--success);
        }

        .comp-row .comp-value.down {
            color: var(--danger);
        }

        .comp-row .comp-value .arrow {
            font-size: 14px;
            margin-right: 4px;
        }

        .highlight-diff {
            color: var(--accent-green);
            font-weight: 700;
        }

        /* Scenarios */
        .scenario-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .scenario-item:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateX(4px);
        }

        .scenario-item .sc-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            background: rgba(198, 246, 66, 0.08);
            color: var(--accent-green);
        }

        .scenario-item .sc-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .scenario-item .sc-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            counter-reset: step;
        }

        .process-step {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            position: relative;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .process-step:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-2px);
        }

        .process-step .step-num {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            display: block;
        }

        .process-step h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* FAQ */
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item.active {
            border-color: rgba(198, 246, 66, 0.4);
            border-left: 2px solid var(--accent-green);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }

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

        .faq-question h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 14px;
            transition: transform var(--transition-base);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent-green);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 20px 18px;
        }

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

        /* CTA Form */
        .cta-section {
            background: var(--bg-panel-2);
            border-radius: var(--radius-xl);
            padding: 48px;
            border: 1px solid var(--border-color);
        }

        .cta-section h2 {
            font-size: clamp(24px, 2.8vw, 32px);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .cta-section .cta-sub {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .cta-form .form-group.full-width {
            grid-column: 1 / -1;
        }

        .cta-form label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            background: #0F1215;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: var(--text-secondary);
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.12);
        }

        .cta-form input.error,
        .cta-form textarea.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(255, 73, 97, 0.12);
        }

        .cta-form .error-msg {
            font-size: 12px;
            color: var(--danger);
            display: none;
        }

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

        .form-submit-btn {
            grid-column: 1 / -1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent-green);
            color: #0B0D10;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.01em;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            width: fit-content;
            min-width: 200px;
            margin-top: 4px;
        }

        .form-submit-btn:hover {
            background: var(--accent-green-hover);
            box-shadow: 0 8px 28px rgba(198, 246, 66, 0.3);
            transform: translateY(-2px);
        }

        .form-success {
            display: none;
            grid-column: 1 / -1;
            padding: 12px 18px;
            background: rgba(61, 220, 151, 0.1);
            border: 1px solid rgba(61, 220, 151, 0.3);
            border-radius: var(--radius-sm);
            color: var(--success);
            font-size: 14px;
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 28px;
            margin-top: 80px;
        }

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

        .footer-brand .brand-name {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand .brand-name .brand-icon-sm {
            width: 28px;
            height: 28px;
            background: var(--accent-green);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0D10;
            font-weight: 900;
            font-size: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .footer-bottom .domain-info {
            font-family: var(--font-mono);
            font-size: 11px;
            letter-spacing: 0.02em;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-pintuan .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 32px;
            }

            .hero-left,
            .hero-right {
                flex: 1;
                max-width: 100%;
                width: 100%;
            }

            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .hero-stat-card {
                flex: 1;
                min-width: 200px;
            }

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

            .service-matrix {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scenario-list {
                grid-template-columns: 1fr;
            }

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

            .brand-intro-wrapper {
                flex-direction: column;
                gap: 20px;
            }

            .brand-intro-left {
                flex: 1;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .nav-top-row {
                padding: 0 16px;
                gap: 10px;
            }

            .nav-tabs-row {
                padding: 0 16px;
            }

            .nav-search-wrapper {
                display: none;
            }

            .hero-pintuan {
                min-height: auto;
                padding: 56px 0 64px;
            }

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

            .hero-right {
                flex-direction: column;
            }

            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .cta-section {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-form {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .cta-form .form-group.full-width {
                grid-column: 1;
            }

            .form-submit-btn {
                grid-column: 1;
                width: 100%;
                justify-content: center;
            }

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

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

            .btn-primary-hero,
            .btn-secondary-hero {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }

            .hero-btns {
                flex-direction: column;
                width: 100%;
                gap: 10px;
            }

            .hero-group-hint {
                flex-wrap: wrap;
            }
        }

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

            .nav-brand {
                font-size: 17px;
            }

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

            .nav-cta {
                padding: 7px 14px;
                font-size: 12px;
            }

            .hero-stat-card .stat-info .stat-num {
                font-size: 22px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .comparison-card {
                padding: 18px;
            }

            .comp-row .comp-value {
                font-size: 16px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #0B0D10;
            --bg-panel: #15191F;
            --bg-panel-2: #171C22;
            --text-primary: #F4F7F5;
            --text-secondary: #8E9AA6;
            --accent-green: #C6F642;
            --accent-green-hover: #D4FF5E;
            --accent-orange: #FF5C1C;
            --border-color: rgba(255, 255, 255, 0.08);
            --success: #3DDC97;
            --warning: #F5A623;
            --danger: #FF4961;
            --font-sans: "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "JetBrains Mono", monospace;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

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

        /* 面包屑 */
        .breadcrumb {
            padding: 32px 0 0;
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

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

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

        .breadcrumb .separator {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.25);
        }

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

        /* 分类头部 */
        .category-header {
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 48px;
        }

        .category-header h1 {
            font-size: 40px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .category-header h1 span {
            color: var(--accent-green);
        }

        .category-header .header-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 860px;
        }

        .category-header .header-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .category-header .header-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            letter-spacing: 0.04em;
        }

        .category-header .header-meta .meta-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
        }

        /* 筛选区 */
        .filter-section {
            padding: 0 0 32px;
        }

        .filter-section .filter-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--text-secondary);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .filter-pills {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 6px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
        }

        .filter-pills::-webkit-scrollbar {
            display: none;
        }

        .filter-pill {
            flex-shrink: 0;
            padding: 8px 18px;
            border-radius: 22px;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-pill:hover {
            border-color: rgba(198, 246, 66, 0.4);
            color: var(--text-primary);
        }

        .filter-pill.active {
            background: var(--accent-green);
            color: #0B0D10;
            border-color: var(--accent-green);
            font-weight: 700;
        }

        .filter-pill:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        /* 服务卡片网格 - 非对称 */
        .service-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
            padding: 0 0 56px;
        }

        .service-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-4px);
            border-color: rgba(198, 246, 66, 0.35);
            box-shadow: var(--shadow-md);
        }

        .service-card.large {
            grid-row: span 2;
        }

        .service-card .card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-panel-2);
        }

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

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

        .service-card .card-image .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 13, 16, 0.82);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(198, 246, 66, 0.3);
            color: var(--accent-green);
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .service-card .card-body {
            padding: 24px;
        }

        .service-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .service-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-green);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .service-card .card-link .arrow {
            transition: transform var(--transition-fast);
            display: inline-block;
        }

        .service-card .card-link:hover {
            color: var(--accent-green-hover);
        }

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

        .service-card.small-card .card-image {
            aspect-ratio: 3/1;
        }

        .service-card.small-card .card-body h3 {
            font-size: 17px;
        }

        /* 合作流程 */
        .process-section {
            padding: 64px 0;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 64px;
            border-radius: var(--radius-lg);
        }

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

        .process-section .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .process-section .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            padding: 24px;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            counter-increment: step;
        }

        .process-step:hover {
            border-color: rgba(198, 246, 66, 0.3);
            transform: translateY(-2px);
        }

        .process-step .step-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-green);
            opacity: 0.5;
            margin-bottom: 12px;
            display: block;
            letter-spacing: -0.03em;
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* 数据对比区 */
        .comparison-section {
            padding: 56px 0;
            margin-bottom: 64px;
        }

        .comparison-section .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .comparison-section .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }

        .comparison-table {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 0;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-panel);
        }

        .comparison-table .table-header {
            padding: 16px 20px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            background: var(--bg-panel-2);
            border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
        }

        .comparison-table .table-header.highlight {
            color: var(--accent-green);
            background: rgba(198, 246, 66, 0.05);
        }

        .comparison-table .table-row {
            display: contents;
        }

        .comparison-table .table-cell {
            padding: 16px 20px;
            font-size: 14px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-primary);
            background: transparent;
        }

        .comparison-table .table-cell.dim {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .comparison-table .table-cell.highlight-cell {
            background: rgba(198, 246, 66, 0.04);
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-green);
        }

        .comparison-table .table-cell .trend-up {
            color: var(--success);
            font-family: var(--font-mono);
            font-weight: 600;
        }

        .comparison-table .table-cell .trend-down {
            color: var(--danger);
            font-family: var(--font-mono);
            font-weight: 600;
        }

        /* FAQ 区块 */
        .faq-section {
            padding: 56px 0;
            margin-bottom: 64px;
            background: var(--bg-panel);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }

        .faq-section .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .faq-section .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
            background: var(--bg-primary);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(198, 246, 66, 0.25);
        }

        .faq-item.active {
            border-color: rgba(198, 246, 66, 0.4);
            box-shadow: inset 2px 0 0 var(--accent-green);
        }

        .faq-question {
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            user-select: none;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            font-size: 14px;
            transition: all var(--transition-base);
            font-family: var(--font-mono);
            color: var(--text-secondary);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.32s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 180px;
            padding-bottom: 18px;
        }

        /* CTA 区块 */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, rgba(198, 246, 66, 0.06), rgba(255, 92, 28, 0.04));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            margin-bottom: 64px;
        }

        .cta-section .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-section .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .cta-section .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .cta-section .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            background: var(--bg-panel);
            padding: 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }

        .cta-section .form-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .cta-section .form-group.full-width {
            grid-column: span 2;
        }

        .cta-section .form-group label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .cta-section .form-group input,
        .cta-section .form-group select,
        .cta-section .form-group textarea {
            background: #0F1215;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            width: 100%;
        }

        .cta-section .form-group input:focus,
        .cta-section .form-group select:focus,
        .cta-section .form-group textarea:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(198, 246, 66, 0.12);
            outline: none;
        }

        .cta-section .form-group input.error,
        .cta-section .form-group textarea.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(255, 73, 97, 0.1);
        }

        .cta-section .form-group .error-msg {
            font-size: 12px;
            color: var(--danger);
        }

        .cta-section .cta-submit {
            grid-column: span 2;
            background: var(--accent-green);
            color: #0B0D10;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 24px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .cta-section .cta-submit:hover {
            background: var(--accent-green-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(198, 246, 66, 0.25);
        }

        .cta-section .cta-submit:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .cta-section .form-success {
            grid-column: span 2;
            background: rgba(61, 220, 151, 0.1);
            border: 1px solid rgba(61, 220, 151, 0.3);
            color: var(--success);
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            text-align: center;
        }

        /* 品牌介绍 */
        .brand-intro {
            padding: 48px 0;
            border-top: 1px solid var(--border-color);
            margin-top: 32px;
        }

        .brand-intro .intro-header {
            margin-bottom: 20px;
        }

        .brand-intro .intro-header h2 {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .brand-intro p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 900px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .service-card.large {
                grid-row: auto;
            }
            .service-card.small-card .card-image {
                aspect-ratio: 16/9;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section .cta-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .category-header .header-desc {
                font-size: 14px;
            }
            .comparison-table {
                grid-template-columns: 1fr;
            }
            .comparison-table .table-header,
            .comparison-table .table-cell {
                padding: 12px 16px;
                font-size: 13px;
            }
            .comparison-table .table-header.highlight {
                border-top: 2px solid var(--accent-green);
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .cta-section .cta-form {
                grid-template-columns: 1fr;
                padding: 20px;
            }
            .cta-section .form-group.full-width,
            .cta-section .cta-submit,
            .cta-section .form-success {
                grid-column: span 1;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .service-card .card-body {
                padding: 18px;
            }
            .service-card .card-body h3 {
                font-size: 17px;
            }
        }

        @media (max-width: 520px) {
            .category-header h1 {
                font-size: 24px;
            }
            .category-header .header-meta {
                flex-direction: column;
                gap: 8px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .cta-section .cta-text h2 {
                font-size: 22px;
            }
            .faq-section .section-header h2,
            .comparison-section .section-header h2,
            .process-section .section-header h2 {
                font-size: 22px;
            }
        }