/* roulang page: index */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #101316;
            --bg-card: #14171A;
            --bg-card-hover: #1A1E22;
            --bg-input: #1A1E22;
            --bg-accordion: #1A1E22;
            --text-primary: #F4F6F5;
            --text-secondary: #C8CDD0;
            --text-muted: #858C91;
            --text-dark: #0B0C0E;
            --accent: #C8FF00;
            --accent-dim: rgba(200, 255, 0, 0.12);
            --accent-glow: rgba(200, 255, 0, 0.25);
            --accent-strong: #B3E600;
            --aux: #1F2A2E;
            --emphasis: #FF4D6D;
            --border: #2A3036;
            --border-hover: #C8FF00;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 0 1px #C8FF00;
            --shadow-glow: 0 0 20px rgba(200, 255, 0, 0.15);
            --transition: all 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-gap: 88px;
            --section-gap-mobile: 52px;
            --card-padding: 28px;
            --card-padding-sm: 20px;
            --nav-height: 64px;
        }

        * {
            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-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
            font-size: 16px;
        }

        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .grid-container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        .grid-container.fluid {
            max-width: 100%;
        }

        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        .grid-x > .cell {
            padding-left: 12px;
            padding-right: 12px;
        }

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

        .section-tight {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }

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

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

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

        .mt-0 {
            margin-top: 0;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 36px;
        }
        .mt-5 {
            margin-top: 48px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 36px;
        }
        .mb-5 {
            margin-bottom: 48px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            min-height: 48px;
            text-decoration: none !important;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(200, 255, 0, 0.2);
        }

        .btn-primary:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            color: var(--text-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.2);
        }

        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border);
        }

        .btn-ghost:hover {
            background: var(--accent-dim);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

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

        .btn-ghost:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            min-height: 40px;
            border-radius: 6px;
        }

        /* ===== Header / Navigation ===== */
        .main-header {
            background: rgba(11, 12, 14, 0.95);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition);
        }

        .main-header.scrolled {
            background: rgba(11, 12, 14, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none !important;
        }

        .nav-logo-icon {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: var(--text-dark);
            letter-spacing: 0;
            line-height: 1;
        }

        .nav-logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .nav-logo-text span {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
            background: var(--accent-dim);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .nav-mega-trigger {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 6px;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-mega-trigger:hover,
        .nav-mega-trigger.open {
            color: var(--accent);
            border-color: var(--accent);
            background: var(--accent-dim);
        }

        .nav-mega-trigger svg {
            transition: transform 0.3s ease;
        }

        .nav-mega-trigger.open svg {
            transform: rotate(180deg);
        }

        .nav-hamburger {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 6px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }

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

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

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

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

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

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            right: 0;
            left: 0;
            background: #101316;
            border: 1px solid var(--border);
            border-top: 2px solid var(--accent);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
            display: none;
            z-index: 99;
            padding: 24px 0;
        }

        .mega-panel.open {
            display: block;
        }

        .mega-panel-inner {
            display: grid;
            grid-template-columns: 2fr 2fr 1.5fr;
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .mega-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mega-col-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 4px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }

        .mega-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 14px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
            text-decoration: none !important;
        }

        .mega-link:hover {
            background: var(--accent-dim);
            color: var(--accent);
        }

        .mega-link .mega-badge {
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 10px;
            background: var(--accent-dim);
            color: var(--accent);
            border: 1px solid var(--accent-glow);
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-decoration: none !important;
        }

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

        .mega-card img {
            width: 48px;
            height: 48px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .mega-card-info {
            flex: 1;
            min-width: 0;
        }

        .mega-card-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .mega-card-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .mega-card .mega-card-arrow {
            font-size: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .mega-card:hover .mega-card-arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            padding: 72px 0 56px;
            background: var(--bg-primary);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.6) 45%, rgba(0, 0, 0, 0.35) 70%, rgba(0, 0, 0, 0.5) 100%);
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-text-area h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .hero-text-area h1 .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-text-area h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 560px;
        }

        .hero-pain-point {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--emphasis);
            background: rgba(255, 77, 109, 0.1);
            border: 1px solid rgba(255, 77, 109, 0.3);
            padding: 8px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-number {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-demo-area {
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
        }

        .hero-demo-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            box-shadow: var(--shadow-card);
        }

        .hero-demo-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .hero-demo-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hero-demo-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .hero-demo-status {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: var(--accent-dim);
            color: var(--accent);
            border: 1px solid var(--accent-glow);
        }

        .hero-demo-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .hero-demo-metric {
            text-align: center;
            padding: 14px 8px;
            background: var(--bg-secondary);
            border-radius: 8px;
            border: 1px solid var(--border);
        }

        .hero-demo-metric-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-demo-metric-label {
            font-size: 11px;
            color: var(--text-muted);
        }

        .hero-demo-bar {
            height: 6px;
            background: var(--bg-secondary);
            border-radius: 3px;
            overflow: hidden;
        }

        .hero-demo-bar-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 3px;
            width: 78%;
            transition: width 0.6s ease;
        }

        /* ===== KPI / About ===== */
        .kpi-section {
            background: var(--bg-secondary);
            padding: 56px 0;
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .kpi-brand-text {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
        }

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

        .kpi-numbers {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .kpi-number-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

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

        .kpi-number-card .num {
            font-size: 36px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .kpi-number-card .label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Features Section ===== */
        .features-section {
            background: var(--bg-primary);
        }

        .features-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--card-padding);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-height: 180px;
        }

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

        .feature-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .feature-card .feature-badge {
            align-self: flex-start;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: var(--aux);
            color: var(--text-primary);
        }

        .feature-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 8px;
        }

        .feature-tag {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 8px 14px;
            border-radius: 20px;
            cursor: default;
            transition: var(--transition);
        }

        .feature-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-dim);
        }

        /* ===== Scenes / Use Cases ===== */
        .scenes-section {
            background: var(--bg-secondary);
        }

        .scenes-horizontal {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }

        .scenes-horizontal::-webkit-scrollbar {
            height: 6px;
        }

        .scenes-horizontal::-webkit-scrollbar-track {
            background: transparent;
        }

        .scenes-horizontal::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }

        .scene-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            min-height: 220px;
            display: flex;
            align-items: flex-end;
        }

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

        .scene-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .scene-card-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.7) 60%, rgba(0, 0, 0, 0.9) 100%);
        }

        .scene-card-content {
            position: relative;
            z-index: 2;
            padding: 20px;
            width: 100%;
        }

        .scene-card-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .scene-card-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .scene-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 10px;
            background: var(--accent);
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        /* ===== News / Latest ===== */
        .news-section {
            background: var(--bg-primary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 24px;
        }

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

        .news-item {
            display: flex;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }

        .news-item:hover {
            border-bottom-color: var(--accent);
        }

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

        .news-item-date {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
            padding-top: 2px;
        }

        .news-item-date .day {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }

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

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

        .news-item-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            transition: var(--transition);
            line-height: 1.4;
        }

        .news-item-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

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

        .news-side-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: var(--transition);
        }

        .news-side-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }

        .news-side-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .news-side-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .news-side-card .trend-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 10px;
            background: var(--accent-dim);
            color: var(--accent);
            margin-bottom: 6px;
            border: 1px solid var(--accent-glow);
        }

        /* ===== Ranking & Collections ===== */
        .ranking-section {
            background: var(--bg-secondary);
        }

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

        .ranking-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
        }

        .ranking-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }

        .ranking-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 6px;
            background: var(--bg-secondary);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .ranking-item:hover {
            border-color: var(--accent);
            background: var(--accent-dim);
        }

        .ranking-pos {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            background: var(--aux);
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .ranking-pos.top {
            background: var(--accent);
            color: var(--text-dark);
        }

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

        .ranking-info .name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

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

        .ranking-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
        }

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

        .collection-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 16px;
            transition: var(--transition);
            text-align: center;
        }

        .collection-card:hover {
            border-color: var(--accent);
            background: var(--accent-dim);
            transform: translateY(-2px);
        }

        .collection-card .coll-icon {
            font-size: 28px;
            margin-bottom: 8px;
        }

        .collection-card h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .collection-card p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        .collection-card .coll-count {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            background: var(--accent);
            color: var(--text-dark);
            margin-top: 4px;
        }

        /* ===== Testimonials ===== */
        .testimonials-section {
            background: var(--bg-primary);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

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

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--aux);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            flex-shrink: 0;
            border: 2px solid var(--accent-glow);
        }

        .testimonial-info .name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .testimonial-info .type {
            font-size: 12px;
            color: var(--text-muted);
        }

        .testimonial-card blockquote {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            border-left: 3px solid var(--accent);
            padding-left: 14px;
        }

        .testimonial-card .rating {
            color: var(--accent);
            font-size: 14px;
            letter-spacing: 2px;
        }

        /* ===== Partners / Tags ===== */
        .partners-section {
            background: var(--bg-secondary);
        }

        .partners-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 12px 20px;
            transition: var(--transition);
            cursor: default;
        }

        .partner-tag:hover {
            border-color: var(--accent);
            background: var(--accent-dim);
            transform: translateY(-2px);
        }

        .partner-tag .pt-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            color: var(--text-dark);
            flex-shrink: 0;
        }

        .partner-tag .pt-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .partner-tag:hover .pt-label {
            color: var(--accent);
        }

        /* ===== Pricing ===== */
        .pricing-section {
            background: var(--bg-primary);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
        }

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

        .pricing-card.featured {
            border-color: var(--accent);
            background: var(--bg-card-hover);
            box-shadow: 0 0 30px rgba(200, 255, 0, 0.1);
            position: relative;
            transform: scale(1.02);
        }

        .pricing-card.featured:hover {
            transform: scale(1.02) translateY(-4px);
            box-shadow: 0 8px 32px rgba(200, 255, 0, 0.2), 0 0 0 1px var(--accent);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: var(--text-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 12px;
            letter-spacing: 0.03em;
        }

        .pricing-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .pricing-price {
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .pricing-price .currency {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
        }

        .pricing-price .amount {
            font-size: 48px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
            letter-spacing: -0.02em;
        }

        .pricing-price .period {
            font-size: 14px;
            color: var(--text-muted);
        }

        .pricing-features {
            list-style: none;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

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

        .pricing-features li .check {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--accent-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 12px;
            flex-shrink: 0;
            border: 1px solid var(--accent-glow);
        }

        .pricing-features li.disabled {
            color: var(--text-muted);
            text-decoration: line-through;
        }

        .pricing-features li.disabled .check {
            background: var(--aux);
            color: var(--text-muted);
            border-color: var(--border);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-secondary);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: transparent;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.open {
            border-color: var(--accent);
            background: var(--bg-accordion);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            line-height: 1.5;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--text-dark);
        }

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

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

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(200, 255, 0, 0.05) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 240px;
            padding: 14px 18px;
            background: var(--bg-input);
            border: 1px solid #333A40;
            border-radius: 6px;
            font-size: 15px;
            color: var(--text-primary);
            transition: var(--transition);
            line-height: 1.4;
        }

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

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.2);
            outline: none;
        }

        /* ===== Footer ===== */
        .main-footer {
            background: #0A0B0C;
            border-top: 1px solid var(--accent);
            padding: 56px 0 32px;
        }

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

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-brand .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
        }

        .footer-brand .logo-text span {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
        }

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

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-demo-area {
                max-width: 100%;
            }

            .hero-text-area h1 {
                font-size: 32px;
            }

            .features-layout {
                grid-template-columns: 1fr;
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

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

            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
            }

            .pricing-card.featured {
                transform: scale(1);
            }

            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }

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

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

            .mega-panel {
                position: static;
                box-shadow: none;
                border-radius: 0;
            }

            .mega-panel-inner {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 16px 20px;
            }

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                padding: 12px 0;
                gap: 4px;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 14px 16px;
                border-radius: 6px;
            }

            .nav-hamburger {
                display: flex;
            }

            .nav-wrapper {
                flex-wrap: wrap;
                padding: 12px 0;
            }

            .nav-actions {
                margin-left: auto;
            }

            .nav-logo {
                flex-shrink: 1;
            }

            .hero-section {
                min-height: auto;
                padding: 48px 0 40px;
            }

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

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

            .hero-stats {
                gap: 16px;
            }

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

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

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

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

            .pricing-card {
                padding: 24px 20px;
            }

            .pricing-price .amount {
                font-size: 36px;
            }

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

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

            .footer-bottom-links {
                justify-content: center;
            }

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

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

            .news-item {
                flex-direction: column;
                gap: 8px;
            }

            .news-item-date {
                width: auto;
                text-align: left;
                display: flex;
                gap: 8px;
                align-items: baseline;
            }

            .collection-cards {
                grid-template-columns: 1fr;
            }

            .scene-card {
                flex: 0 0 240px;
            }

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

            .kpi-number-card .num {
                font-size: 28px;
            }

            .mega-panel-inner {
                grid-template-columns: 1fr;
            }

            .hero-demo-metrics {
                grid-template-columns: 1fr;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .hero-text-area h1 {
                font-size: 24px;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
                min-height: 44px;
                width: 100%;
            }

            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }

            .hero-stats {
                flex-wrap: wrap;
                gap: 12px;
            }

            .kpi-numbers {
                grid-template-columns: 1fr;
            }

            .testimonial-card {
                padding: 18px;
            }

            .section-desc {
                font-size: 14px;
            }

            .partner-tag {
                padding: 8px 14px;
                font-size: 12px;
            }

            .scene-card {
                flex: 0 0 200px;
                min-height: 180px;
            }

            .news-side {
                gap: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #101316;
            --bg-card: #14171A;
            --bg-card-hover: #1A1E22;
            --bg-input: #1A1E22;
            --bg-accordion: #1A1E22;
            --text-primary: #F4F6F5;
            --text-secondary: #C8CDD0;
            --text-muted: #858C91;
            --text-dark: #0B0C0E;
            --accent: #C8FF00;
            --accent-dim: rgba(200, 255, 0, 0.12);
            --accent-glow: rgba(200, 255, 0, 0.25);
            --accent-strong: #B3E600;
            --aux: #1F2A2E;
            --emphasis: #FF4D6D;
            --border: #2A3036;
            --border-hover: #C8FF00;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 0 1px #C8FF00;
            --shadow-glow: 0 0 20px rgba(200, 255, 0, 0.15);
            --transition: all 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-gap: 88px;
            --section-gap-mobile: 52px;
            --card-padding: 28px;
            --card-padding-sm: 20px;
            --nav-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: var(--font-family);
            font-size: 16px;
        }
        button:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 12px;
        }
        p {
            margin: 0 0 16px;
        }
        .grid-container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .grid-container.fluid {
            max-width: 100%;
        }
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x > .cell {
            padding-left: 12px;
            padding-right: 12px;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            min-height: 48px;
            text-decoration: none !important;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            color: var(--text-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border);
        }
        .btn-ghost:hover {
            background: var(--accent-dim);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-ghost:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            min-height: 36px;
            border-radius: var(--radius-sm);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--accent-dim);
            color: var(--accent);
            border: 1px solid var(--accent-glow);
        }
        .badge-dark {
            background: var(--bg-card);
            color: var(--text-secondary);
            border-color: var(--border);
        }
        .badge-emphasis {
            background: rgba(255, 77, 109, 0.15);
            color: var(--emphasis);
            border-color: rgba(255, 77, 109, 0.35);
        }
        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .grid-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            user-select: none;
        }
        .logo-text span {
            color: var(--accent);
            font-weight: 800;
            font-size: 13px;
            letter-spacing: 0.1em;
            margin-left: 4px;
            vertical-align: middle;
        }
        .logo-link {
            display: flex;
            align-items: center;
            text-decoration: none !important;
        }
        .logo-link:hover .logo-text {
            color: var(--accent);
        }
        .logo-link:hover .logo-text span {
            color: var(--text-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 8px;
        }
        .nav-links > li {
            position: relative;
        }
        .nav-links > li > a {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
            text-decoration: none !important;
            min-height: 40px;
        }
        .nav-links > li > a:hover {
            color: var(--accent);
            background: var(--accent-dim);
        }
        .nav-links > li > a.active {
            color: var(--accent);
            background: var(--accent-dim);
        }
        .nav-links > li > a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .mega-trigger {
            position: relative;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            min-width: 580px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            display: none;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
            z-index: 200;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s ease;
        }
        .mega-trigger:hover .mega-panel,
        .mega-trigger:focus-within .mega-panel {
            display: block;
            opacity: 1;
            visibility: visible;
        }
        .mega-panel::before {
            content: '';
            position: absolute;
            top: -8px;
            right: 40px;
            width: 16px;
            height: 16px;
            background: var(--bg-card);
            border-left: 1px solid var(--border);
            border-top: 1px solid var(--border);
            transform: rotate(45deg);
            border-radius: 2px 0 0 0;
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1.2fr;
            gap: 16px;
        }
        .mega-col {
            padding: 8px 12px;
        }
        .mega-col + .mega-col {
            border-left: 1px solid var(--border);
        }
        .mega-col h5 {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .mega-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mega-list li {
            margin-bottom: 6px;
        }
        .mega-list a {
            display: block;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
            text-decoration: none !important;
        }
        .mega-list a:hover {
            background: var(--accent-dim);
            color: var(--accent);
        }
        .mega-card {
            display: flex;
            gap: 10px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-decoration: none !important;
        }
        .mega-card:hover {
            border-color: var(--accent);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .mega-card img {
            width: 56px;
            height: 44px;
            object-fit: cover;
            border-radius: 4px;
            flex-shrink: 0;
        }
        .mega-card span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            transition: var(--transition);
            padding: 0;
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .nav-toggle .bar {
            display: block;
            width: 18px;
            height: 2px;
            background: currentColor;
            border-radius: 1px;
            transition: var(--transition);
        }
        @media (max-width: 1024px) {
            .nav-links > li > a {
                padding: 8px 12px;
                font-size: 14px;
            }
            .mega-panel {
                min-width: 500px;
            }
            .mega-grid {
                grid-template-columns: 1fr 1fr;
            }
            .mega-col:last-child {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease, padding 0.3s ease;
                display: flex;
                z-index: 90;
            }
            .nav-links.open {
                max-height: 500px;
                padding: 16px 20px;
            }
            .nav-links > li > a {
                padding: 12px 16px;
                font-size: 16px;
                justify-content: space-between;
            }
            .nav-links > li > a.active::after {
                display: none;
            }
            .mega-panel {
                position: static;
                min-width: 100%;
                box-shadow: none;
                display: block;
                opacity: 1;
                visibility: visible;
                margin-top: 8px;
                padding: 12px;
            }
            .mega-panel::before {
                display: none;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .mega-col + .mega-col {
                border-left: none;
                border-top: 1px solid var(--border);
                padding-top: 12px;
            }
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li + li::before {
            content: '/';
            color: var(--text-muted);
            font-size: 13px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none !important;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        /* ===== 分类Hero ===== */
        .cat-hero {
            background: linear-gradient(135deg, rgba(200, 255, 0, 0.06) 0%, rgba(11, 12, 14, 0.9) 50%, rgba(11, 12, 14, 0.95) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 64px 0 48px;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
        }
        .cat-hero h1 {
            font-size: 40px;
            font-weight: 900;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .cat-hero .subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .cat-hero .meta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        /* ===== 网格图库 ===== */
        .masonry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            align-items: start;
        }
        .masonry-item {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none !important;
            display: block;
        }
        .masonry-item:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .masonry-item img {
            width: 100%;
            height: auto;
            min-height: 180px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .masonry-item:hover img {
            transform: scale(1.04);
        }
        .masonry-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 16px 16px;
            background: linear-gradient(transparent, rgba(11, 12, 14, 0.88) 40%, rgba(11, 12, 14, 0.96) 100%);
        }
        .masonry-overlay h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.3;
        }
        .masonry-overlay p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .masonry-tag {
            position: absolute;
            top: 12px;
            right: 12px;
        }
        @media (max-width: 1024px) {
            .masonry-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 768px) {
            .masonry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .masonry-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== SEO文本区 ===== */
        .seo-block {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .seo-block .inner {
            max-width: 860px;
            margin: 0 auto;
            padding: 48px 20px;
        }
        .seo-block h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .seo-block p {
            color: var(--text-secondary);
            line-height: 1.9;
            font-size: 15px;
            margin-bottom: 20px;
        }
        /* ===== 攻略方法 ===== */
        .method-list {
            list-style: none;
            margin: 0;
            padding: 0;
            counter-reset: step;
        }
        .method-list li {
            counter-increment: step;
            position: relative;
            padding: 20px 20px 20px 64px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .method-list li:hover {
            border-color: var(--accent);
            background: var(--bg-card-hover);
        }
        .method-list li::before {
            content: counter(step);
            position: absolute;
            left: 16px;
            top: 16px;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 800;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }
        .method-list h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .method-list p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        /* ===== 数据指标带 ===== */
        .stats-band {
            background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .stats-band .grid-x {
            align-items: stretch;
        }
        .stat-item {
            text-align: center;
            padding: 24px 16px;
            border-right: 1px solid var(--border);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding: 16px 8px;
            }
            .stat-item:last-child {
                border-bottom: none;
            }
            .stat-number {
                font-size: 28px;
            }
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: transparent;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item.active {
            border-color: var(--border-hover);
            background: var(--bg-accordion);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent-dim);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: transform 0.3s ease;
            line-height: 1;
        }
        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(200, 255, 0, 0.07) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
            border-top: 1px solid var(--border);
            text-align: center;
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200, 255, 0, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 16px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* ===== 页脚 ===== */
        .main-footer {
            background: #0A0B0C;
            border-top: 1px solid var(--accent-glow);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none !important;
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom-links a {
            font-size: 12px;
            color: var(--text-muted);
            text-decoration: none !important;
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        .footer-bottom-links span {
            color: var(--border);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
/* ========== 爱游戏设计系统 ========== */
        :root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #101316;
            --bg-card: #14171A;
            --bg-card-hover: #1A1E22;
            --bg-input: #1A1E22;
            --bg-accordion: #1A1E22;
            --text-primary: #F4F6F5;
            --text-secondary: #C8CDD0;
            --text-muted: #858C91;
            --text-dark: #0B0C0E;
            --accent: #C8FF00;
            --accent-dim: rgba(200, 255, 0, 0.12);
            --accent-glow: rgba(200, 255, 0, 0.25);
            --accent-strong: #B3E600;
            --aux: #1F2A2E;
            --emphasis: #FF4D6D;
            --border: #2A3036;
            --border-hover: #C8FF00;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 0 1px #C8FF00;
            --shadow-glow: 0 0 20px rgba(200, 255, 0, 0.15);
            --transition: all 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-gap: 88px;
            --section-gap-mobile: 52px;
            --card-padding: 28px;
            --card-padding-sm: 20px;
            --nav-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            margin: 0;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus,
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
            font-size: 16px;
        }
        .grid-container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .grid-container.fluid {
            max-width: 100%;
        }
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x > .cell {
            padding-left: 12px;
            padding-right: 12px;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            min-height: 48px;
            text-decoration: none !important;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            color: var(--text-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border);
        }
        .btn-ghost:hover {
            background: var(--accent-dim);
            border-color: var(--border-hover);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-ghost:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            min-height: 40px;
        }

        /* ========== 导航 ========== */
        .site-header {
            background: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 24px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .logo-text span {
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.08em;
            margin-left: 4px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-block;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            position: relative;
        }
        .mega-menu-trigger {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .mega-menu-trigger:hover,
        .mega-menu-trigger.is-open {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            color: var(--accent);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 560px;
            max-width: 90vw;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(200, 255, 0, 0.08);
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: var(--transition);
            z-index: 200;
        }
        .nav-actions.is-open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .mega-col {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 16px;
        }
        .mega-col-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .mega-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mega-col li {
            margin-bottom: 8px;
        }
        .mega-col a {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding: 6px 0;
        }
        .mega-col a:hover {
            color: var(--accent);
        }
        .mega-card {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 12px;
            margin-bottom: 10px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .mega-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
        }
        .mega-card img {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .mega-card-info h5 {
            font-size: 14px;
            margin: 0 0 4px;
            color: var(--text-primary);
        }
        .mega-card-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--text-primary);
        }
        .hamburger-icon {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            position: relative;
            transition: var(--transition);
        }
        .hamburger-icon::before,
        .hamburger-icon::after {
            content: '';
            position: absolute;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            left: 0;
            transition: var(--transition);
        }
        .hamburger-icon::before {
            top: -7px;
        }
        .hamburger-icon::after {
            top: 7px;
        }
        .hamburger.is-active .hamburger-icon {
            background: transparent;
        }
        .hamburger.is-active .hamburger-icon::before {
            top: 0;
            transform: rotate(45deg);
            background: var(--accent);
        }
        .hamburger.is-active .hamburger-icon::after {
            top: 0;
            transform: rotate(-45deg);
            background: var(--accent);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrap {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li {
            margin: 0;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 8px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }

        /* ========== Hero ========== */
        .cate-hero {
            position: relative;
            background-image: linear-gradient(105deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.6) 55%, rgba(0, 0, 0, 0.35) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 60px;
            border-bottom: 1px solid var(--border);
        }
        .cate-hero-content {
            max-width: 760px;
        }
        .cate-hero h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }
        .cate-hero h1 .highlight {
            color: var(--accent);
        }
        .cate-hero p {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 640px;
        }
        .hero-data-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
        }
        .hero-data-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-data-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== 板块通用 ========== */
        .cate-section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .cate-section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== 热搜榜单区 ========== */
        .trend-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            position: relative;
            overflow: hidden;
        }
        .trend-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
        }
        .trend-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 28px;
        }
        .trend-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .trend-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .trend-item:last-child {
            border-bottom: none;
        }
        .trend-item:hover {
            background: var(--bg-card);
            padding-left: 8px;
            border-radius: var(--radius-sm);
        }
        .trend-rank {
            font-size: 20px;
            font-weight: 900;
            color: var(--text-muted);
            width: 36px;
            flex-shrink: 0;
            text-align: center;
        }
        .trend-rank.top1 {
            color: var(--accent);
            font-size: 24px;
        }
        .trend-rank.top2 {
            color: #C8CDD0;
            font-size: 22px;
        }
        .trend-rank.top3 {
            color: #B38B5A;
            font-size: 22px;
        }
        .trend-info h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text-primary);
        }
        .trend-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .trend-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: var(--accent-dim);
            color: var(--accent);
            border: 1px solid var(--accent-glow);
            flex-shrink: 0;
            white-space: nowrap;
        }
        .trend-side-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .trend-side-card h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .trend-side-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .trend-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 8px;
        }
        .trend-stat-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-sm);
            padding: 12px;
        }
        .trend-stat-item span {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .trend-stat-item small {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== 精选推荐卡 ========== */
        .rec-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .rec-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            transition: var(--transition);
            cursor: pointer;
        }
        .rec-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .rec-card-img {
            width: 160px;
            min-height: 140px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .rec-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .rec-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-dim);
            padding: 2px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .rec-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
        }
        .rec-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 12px;
            flex: 1;
        }
        .rec-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }
        .rec-card-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--accent);
            font-weight: 700;
        }

        /* ========== 数据指标带 ========== */
        .metrics-band {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 40px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .metric-item {
            padding: 12px;
        }
        .metric-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ========== 玩家评价 ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .review-stars {
            color: var(--accent);
            font-size: 16px;
            letter-spacing: 4px;
            margin-bottom: 12px;
        }
        .review-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 16px;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--aux);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
        }
        .review-author-info h5 {
            font-size: 14px;
            font-weight: 700;
            margin: 0 0 2px;
            color: var(--text-primary);
        }
        .review-author-info small {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== SEO文本区 ========== */
        .seo-text-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 56px 0;
        }
        .seo-text-container {
            max-width: 820px;
            margin: 0 auto;
        }
        .seo-text-container h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        .seo-text-container p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 20px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--bg-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 700;
            transition: var(--transition);
            font-size: 16px;
            line-height: 1;
        }
        .faq-item.is-open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--text-dark);
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-item.is-open .faq-answer {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-content h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 页脚 ========== */
        .main-footer {
            background: #0A0B0C;
            border-top: 1px solid rgba(200, 255, 0, 0.25);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 22px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            font-size: 14px;
            color: var(--text-muted);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .trend-grid {
                grid-template-columns: 1fr;
            }
            .rec-list {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border);
                display: none;
                z-index: 99;
            }
            .nav-links.is-open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                padding: 14px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .nav-links a::after {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .mega-panel {
                position: static;
                width: 100%;
                max-width: 100%;
                margin-top: 12px;
                box-shadow: none;
            }
            .mega-panel-inner {
                grid-template-columns: 1fr;
            }
            .main-nav {
                position: relative;
            }
            .nav-actions {
                position: static;
            }
            .cate-hero {
                padding: 48px 0 40px;
            }
            .cate-hero h1 {
                font-size: 30px;
            }
            .cate-hero p {
                font-size: 16px;
            }
            .trend-panel {
                padding: 20px;
            }
            .rec-card {
                flex-direction: column;
            }
            .rec-card-img {
                width: 100%;
                height: 180px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-number {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cate-section-title {
                font-size: 22px;
            }
            .cta-content h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .trend-item {
                flex-wrap: wrap;
            }
            .trend-rank {
                width: 28px;
                font-size: 16px;
            }
            .trend-rank.top1 {
                font-size: 18px;
            }
            .hero-data-row {
                gap: 16px;
            }
            .hero-data-number {
                font-size: 22px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #101316;
            --bg-card: #14171A;
            --bg-card-hover: #1A1E22;
            --bg-input: #1A1E22;
            --bg-accordion: #1A1E22;
            --text-primary: #F4F6F5;
            --text-secondary: #C8CDD0;
            --text-muted: #858C91;
            --text-dark: #0B0C0E;
            --accent: #C8FF00;
            --accent-dim: rgba(200, 255, 0, 0.12);
            --accent-glow: rgba(200, 255, 0, 0.25);
            --accent-strong: #B3E600;
            --aux: #1F2A2E;
            --emphasis: #FF4D6D;
            --border: #2A3036;
            --border-hover: #C8FF00;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 0 1px #C8FF00;
            --shadow-glow: 0 0 20px rgba(200, 255, 0, 0.15);
            --transition: all 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-gap: 88px;
            --section-gap-mobile: 52px;
            --card-padding: 28px;
            --card-padding-sm: 20px;
            --nav-height: 64px;
        }
        *,
        *::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-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
            font-size: 16px;
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .grid-container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .grid-container.fluid {
            max-width: 100%;
        }
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x>.cell {
            padding-left: 12px;
            padding-right: 12px;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            min-height: 48px;
            text-decoration: none !important;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            color: var(--text-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border);
        }
        .btn-ghost:hover {
            background: var(--accent-dim);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .btn-ghost:active {
            transform: translateY(0);
        }
        .btn-ghost:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--accent-dim);
            color: var(--accent);
            border: 1px solid var(--accent-glow);
            line-height: 1.5;
        }
        .badge-emphasis {
            background: rgba(255, 77, 109, 0.12);
            color: var(--emphasis);
            border-color: rgba(255, 77, 109, 0.3);
        }
        .badge-outline {
            background: transparent;
            color: var(--text-secondary);
            border-color: var(--border);
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .card-padding {
            padding: var(--card-padding);
        }
        .card-padding-sm {
            padding: var(--card-padding-sm);
        }
        .divider {
            height: 1px;
            background: var(--border);
            margin: 20px 0;
        }
        .divider-accent {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
            margin: 20px 0;
        }

        /* Navigation */
        .site-header {
            background: rgba(11, 12, 14, 0.92);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 999;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: var(--transition);
        }
        .site-header:hover {
            border-bottom-color: rgba(200, 255, 0, 0.2);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 20px;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 24px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            line-height: 1;
        }
        .logo-text span {
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.1em;
            margin-left: 4px;
            vertical-align: top;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links>li>a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 8px 4px;
            position: relative;
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-links>li>a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--accent);
        }
        .nav-links>li>a:hover::after,
        .nav-links>li>a.active::after {
            width: 100%;
        }
        .nav-links>li>a.active {
            font-weight: 700;
        }
        .nav-mega-trigger {
            position: relative;
        }
        .mega-panel {
            position: absolute;
            top: calc(var(--nav-height) - 8px);
            right: 0;
            min-width: 480px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6), var(--shadow-glow);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 1000;
            pointer-events: none;
        }
        .nav-mega-trigger:hover .mega-panel,
        .nav-mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }
        .mega-panel-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }
        .mega-panel h5 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }
        .mega-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mega-panel ul li {
            margin-bottom: 8px;
        }
        .mega-panel ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .mega-panel ul li a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .mega-entry-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px;
            transition: var(--transition);
        }
        .mega-entry-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
        }
        .mega-entry-card .mega-entry-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--accent-dim);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .mega-entry-card span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            cursor: pointer;
            color: var(--text-primary);
            font-size: 20px;
            line-height: 1;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: var(--shadow-glow);
        }
        .nav-toggle.active {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--border);
            font-size: 12px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }

        /* Category Hero */
        .category-hero {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -160px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, var(--accent-glow), transparent 70%);
            pointer-events: none;
            opacity: 0.5;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 77, 109, 0.15), transparent 70%);
            pointer-events: none;
        }
        .category-hero-inner {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: 40px;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .category-hero .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 760px;
            margin-bottom: 24px;
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 20px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .stat-number {
            font-size: 32px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Compare Table Section */
        .compare-table-section {
            background: var(--bg-primary);
        }
        .table-modern-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            background: var(--bg-card);
            box-shadow: var(--shadow-card);
        }
        .table-modern {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
        }
        .table-modern thead {
            background: var(--bg-secondary);
        }
        .table-modern th {
            padding: 18px 20px;
            text-align: left;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .table-modern th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }
        .table-modern th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .table-modern td {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(42, 48, 54, 0.4);
            transition: var(--transition);
        }
        .table-modern tbody tr {
            transition: var(--transition);
        }
        .table-modern tbody tr:hover {
            background: var(--bg-card-hover);
        }
        .table-modern tbody tr:last-child td {
            border-bottom: none;
        }
        .table-modern tbody tr:last-child td:first-child {
            border-radius: 0 0 0 var(--radius-lg);
        }
        .table-modern tbody tr:last-child td:last-child {
            border-radius: 0 0 var(--radius-lg) 0;
        }
        .table-modern .rank-cell {
            font-weight: 900;
            font-size: 18px;
            color: var(--accent);
        }
        .table-modern .game-cell {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .table-modern .game-cell .game-thumb {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border);
            background: var(--bg-secondary);
        }
        .table-modern .game-cell .game-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .trend-up {
            color: var(--accent);
            font-weight: 700;
        }
        .trend-down {
            color: var(--emphasis);
            font-weight: 700;
        }

        /* Compare Cards */
        .compare-cards-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--card-padding);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .compare-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition);
        }
        .compare-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .compare-card:hover::before {
            opacity: 1;
        }
        .compare-card.highlight {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
        }
        .compare-card .compare-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .compare-card .compare-card-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .compare-card .metric-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .compare-card .metric-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(42, 48, 54, 0.4);
            font-size: 14px;
            color: var(--text-secondary);
        }
        .compare-card .metric-list li:last-child {
            border-bottom: none;
        }
        .compare-card .metric-list .metric-value {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 15px;
        }

        /* Data Insight Section */
        .insight-section {
            background: var(--bg-primary);
        }
        .insight-block {
            display: flex;
            align-items: center;
            gap: 32px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-bottom: 24px;
            transition: var(--transition);
        }
        .insight-block:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .insight-block .insight-icon {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: var(--accent-dim);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 900;
            border: 1px solid var(--accent-glow);
        }
        .insight-block .insight-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .insight-block .insight-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* SEO Text Area */
        .seo-text-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .seo-text-block {
            max-width: 820px;
        }
        .seo-text-block h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .seo-text-block p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
            pointer-events: none;
            opacity: 0.3;
        }
        .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-card);
        }
        .cta-box:hover {
            border-color: rgba(200, 255, 0, 0.3);
            box-shadow: var(--shadow-glow);
        }
        .cta-box h2 {
            font-size: 32px;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-box .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .main-footer {
            background: #0A0B0C;
            border-top: 1px solid var(--border);
            padding: 56px 0 24px;
        }
        .main-footer::before {
            content: '';
            display: block;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
            margin-bottom: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
            font-weight: 900;
            color: var(--text-primary);
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand .logo-text span {
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.1em;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(42, 48, 54, 0.4);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* FAQ Styles */
        .faq-section .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-section .faq-item:hover {
            border-color: rgba(200, 255, 0, 0.2);
        }
        .faq-section .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition);
            user-select: none;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-family);
            line-height: 1.6;
        }
        .faq-section .faq-question:hover {
            color: var(--accent);
        }
        .faq-section .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-dim);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
        }
        .faq-section .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            background: var(--bg-accordion);
        }
        .faq-section .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            padding: 0 0 16px;
            margin: 0;
        }
        .faq-section .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 8px;
        }
        .faq-section .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--text-dark);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 64px;
                --card-padding: 22px;
                --card-padding-sm: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .mega-panel {
                min-width: 360px;
                right: -80px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .insight-block {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 52px;
                --nav-height: 56px;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: var(--bg-secondary);
                border-bottom: 1px solid var(--border);
                padding: 16px 20px;
                max-height: 0;
                overflow-y: auto;
                opacity: 0;
                visibility: hidden;
                transition: max-height 0.35s ease, opacity 0.3s ease, visibility 0.3s ease;
                z-index: 998;
            }
            .nav-links.open {
                max-height: 480px;
                opacity: 1;
                visibility: visible;
            }
            .nav-links>li>a {
                padding: 14px 8px;
                font-size: 16px;
                border-bottom: 1px solid rgba(42, 48, 54, 0.3);
            }
            .nav-links>li>a::after {
                display: none;
            }
            .nav-links>li:last-child>a {
                border-bottom: none;
            }
            .mega-panel {
                position: static;
                min-width: auto;
                box-shadow: none;
                border: none;
                background: transparent;
                padding: 12px 8px;
                opacity: 1;
                visibility: visible;
                transform: none;
                pointer-events: auto;
                display: block;
            }
            .mega-panel-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .nav-mega-trigger .mega-panel {
                display: none;
            }
            .nav-mega-trigger .mega-panel.show-mobile {
                display: block;
            }
            .category-hero {
                padding: 32px 0;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat .stat-number {
                font-size: 24px;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom-links {
                flex-wrap: wrap;
            }
            .table-modern-wrapper {
                border-radius: var(--radius-md);
            }
            .compare-card {
                padding: var(--card-padding-sm);
                margin-bottom: 16px;
            }
            .insight-block {
                padding: 20px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
                min-height: 44px;
                white-space: normal;
                text-align: center;
            }
            .btn-group {
                flex-direction: column;
                align-items: stretch;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-gap: 40px;
                --card-padding: 18px;
                --card-padding-sm: 14px;
            }
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 22px;
                line-height: 1.35;
            }
            .section-title {
                font-size: 20px;
            }
            .section-desc {
                font-size: 14px;
            }
            .hero-stat .stat-number {
                font-size: 20px;
            }
            .cta-box h2 {
                font-size: 20px;
            }
            .cta-box p {
                font-size: 14px;
            }
            .faq-section .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .footer-bottom p {
                font-size: 12px;
                line-height: 1.6;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #101316;
            --bg-card: #14171A;
            --bg-card-hover: #1A1E22;
            --bg-input: #1A1E22;
            --bg-accordion: #1A1E22;
            --text-primary: #F4F6F5;
            --text-secondary: #C8CDD0;
            --text-muted: #858C91;
            --text-dark: #0B0C0E;
            --accent: #C8FF00;
            --accent-dim: rgba(200, 255, 0, 0.12);
            --accent-glow: rgba(200, 255, 0, 0.25);
            --accent-strong: #B3E600;
            --aux: #1F2A2E;
            --emphasis: #FF4D6D;
            --border: #2A3036;
            --border-hover: #C8FF00;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 0 1px #C8FF00;
            --shadow-glow: 0 0 20px rgba(200, 255, 0, 0.15);
            --transition: all 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-gap: 88px;
            --section-gap-mobile: 52px;
            --card-padding: 28px;
            --card-padding-sm: 20px;
            --nav-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
            font-size: 16px;
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .grid-container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .grid-container.fluid {
            max-width: 100%;
        }
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x>.cell {
            padding-left: 12px;
            padding-right: 12px;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            min-height: 48px;
            text-decoration: none !important;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            color: var(--text-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border);
        }
        .btn-ghost:hover {
            background: var(--accent-dim);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-ghost:active {
            transform: translateY(0);
        }
        .btn-ghost:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
            min-height: 40px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
            min-height: 56px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(11, 12, 14, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(42, 48, 54, 0.7);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 20px;
            min-height: var(--nav-height);
        }
        .logo-text {
            font-size: 22px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            cursor: default;
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
            line-height: 1.2;
        }
        .logo-text span {
            color: var(--accent);
            font-size: 16px;
            font-weight: 800;
            letter-spacing: 0.06em;
            margin-left: 2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            font-size: 15px;
            font-weight: 600;
            color: #D0D5D9;
            padding: 8px 0;
            position: relative;
            letter-spacing: 0.01em;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--accent);
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
            position: relative;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 700;
            transition: var(--transition);
            white-space: nowrap;
            border: 2px solid var(--accent);
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            color: var(--text-dark);
            box-shadow: 0 6px 18px rgba(200, 255, 0, 0.3);
            transform: translateY(-1px);
        }
        .nav-cta:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .mega-toggle {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid var(--border);
            transition: var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .mega-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-dim);
        }
        .mega-toggle:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 560px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
            padding: 24px;
            display: none;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.25s ease, visibility 0.25s ease;
        }
        .mega-panel.open {
            display: block;
            opacity: 1;
            visibility: visible;
        }
        .mega-panel-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 20px;
        }
        .mega-section h5 {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--border);
            padding-bottom: 8px;
        }
        .mega-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mega-list li {
            margin-bottom: 8px;
        }
        .mega-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mega-list a:hover {
            background: var(--accent-dim);
            color: var(--accent);
        }
        .mega-card {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 14px;
            background: var(--bg-card-hover);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .mega-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .mega-card img {
            width: 100%;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .mega-card span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            cursor: pointer;
            transition: var(--transition);
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger:hover {
            border-color: var(--accent);
        }
        .hamburger:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            padding: 16px 0;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }

        /* ========== Hero (Community) ========== */
        .community-hero {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            overflow: hidden;
        }
        .community-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(11, 12, 14, 0.92) 0%, rgba(11, 12, 14, 0.72) 45%, rgba(11, 12, 14, 0.35) 100%);
            z-index: 1;
        }
        .community-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-primary) 10%, transparent 100%);
            z-index: 1;
            pointer-events: none;
        }
        .community-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 100px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            padding: 8px 18px;
            border-radius: 24px;
            margin-bottom: 22px;
            letter-spacing: 0.02em;
        }
        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 12px var(--accent-glow);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 12px var(--accent-glow); }
            50% { opacity: 0.6; box-shadow: 0 0 4px var(--accent-glow); }
        }
        .hero-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            max-width: 650px;
        }
        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 580px;
            margin-bottom: 32px;
            letter-spacing: 0.01em;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 42px;
            padding-top: 28px;
            border-top: 1px solid rgba(42, 48, 54, 0.7);
            max-width: 580px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-number {
            font-size: 30px;
            font-weight: 900;
            color: var(--accent);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* Faux data board on right */
        .hero-data-board {
            position: relative;
            z-index: 2;
            background: rgba(20, 23, 26, 0.88);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
            padding: 28px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            max-width: 420px;
            margin-left: auto;
        }
        .hero-data-board .board-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }
        .hero-data-board .board-header h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: 0.02em;
        }
        .hero-data-board .board-header .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
        }
        .hero-data-board .board-header .live-dot::before {
            content: '';
            width: 7px;
            height: 7px;
            background: var(--emphasis);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        .board-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border-bottom: 1px solid rgba(42, 48, 54, 0.5);
        }
        .board-row:last-child {
            border-bottom: none;
        }
        .board-row:hover {
            background: var(--bg-card-hover);
        }
        .board-rank {
            font-size: 18px;
            font-weight: 900;
            color: var(--accent);
            width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .board-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
            border: 2px solid var(--border);
        }
        .board-info {
            flex: 1;
            min-width: 0;
        }
        .board-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .board-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .board-score {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        /* ========== Section Common ========== */
        .section-label-group {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 32px;
        }
        .section-label-group .section-label {
            align-self: flex-start;
        }
        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .section-head-row .section-title {
            margin-bottom: 0;
        }
        .section-head-row .section-desc {
            margin-bottom: 0;
            max-width: 480px;
        }

        /* ========== Community Overview (TOC + Article) ========== */
        .community-overview {
            background: var(--bg-primary);
        }
        .toc-wrapper {
            position: sticky;
            top: 100px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
        }
        .toc-wrapper h4 {
            font-size: 15px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }
        .toc-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .toc-list a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border-left: 2px solid transparent;
        }
        .toc-list a:hover {
            background: var(--accent-dim);
            color: var(--accent);
            border-left-color: var(--accent);
        }
        .community-article {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .community-block {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition);
        }
        .community-block:hover {
            border-color: rgba(200, 255, 0, 0.35);
        }
        .community-block h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .community-block h3 .block-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            border-radius: 50%;
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
        }
        .community-block p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .community-block p:last-child {
            margin-bottom: 0;
        }
        .community-block ul {
            margin: 8px 0 0;
            padding-left: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .community-block ul li {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            list-style: none;
            position: relative;
            padding-left: 20px;
        }
        .community-block ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-glow);
        }

        /* ========== Community Features (Asymmetric Grid) ========== */
        .community-features {
            background: var(--bg-secondary);
        }
        .feature-asymmetric {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: transparent;
            transition: var(--transition);
            border-radius: 0 0 3px 3px;
        }
        .feature-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .feature-card:hover::after {
            background: var(--accent);
            box-shadow: 0 0 12px var(--accent-glow);
        }
        .feature-card.wide {
            grid-column: span 1;
            grid-row: span 2;
            padding: 36px;
        }
        .feature-card .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            color: var(--accent);
            font-size: 22px;
            flex-shrink: 0;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: -0.01em;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }
        .feature-card .feature-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            background: var(--accent-dim);
            padding: 4px 12px;
            border-radius: 14px;
            align-self: flex-start;
            letter-spacing: 0.03em;
        }

        /* ========== Community Activity ========== */
        .community-activity {
            background: var(--bg-primary);
        }
        .activity-card {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: var(--transition);
            height: 100%;
            align-items: flex-start;
        }
        .activity-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .activity-card img {
            width: 100%;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-md);
            flex-shrink: 0;
        }
        .activity-card .activity-info {
            flex: 1;
            min-width: 0;
        }
        .activity-card .activity-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .activity-card .activity-info p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 8px;
        }
        .activity-card .activity-info .activity-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .activity-card .activity-info .activity-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== Reviews ========== */
        .reviews-section {
            background: var(--bg-secondary);
        }
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .review-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .review-card .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-card .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--border);
            flex-shrink: 0;
        }
        .review-card .review-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 2px;
        }
        .review-card .review-info .review-tag {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .review-card .review-stars {
            display: flex;
            gap: 2px;
            color: var(--accent);
            font-size: 14px;
        }
        .review-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            flex: 1;
        }

        /* ========== Partner Tags ========== */
        .partners-section {
            background: var(--bg-primary);
        }
        .partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 24px;
            border-radius: 30px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .partner-tag .tag-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent-glow);
            flex-shrink: 0;
        }
        .partner-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-dim);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .partner-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 640px;
            margin: 20px auto 0;
            text-align: center;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-secondary);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(200, 255, 0, 0.35);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            background: var(--bg-card-hover);
        }
        .faq-question h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: 0.01em;
            line-height: 1.5;
        }
        .faq-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--aux);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: var(--transition);
            line-height: 1;
        }
        .faq-item.active .faq-toggle {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--text-dark);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== Brand Intro ========== */
        .brand-intro-section {
            background: var(--bg-primary);
        }
        .brand-intro-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
        }
        .brand-intro-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }
        .brand-intro-card h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            position: relative;
            z-index: 1;
        }
        .brand-intro-card p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
            opacity: 0.35;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
        }
        .cta-box h2 {
            font-size: 30px;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-box .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .main-footer {
            background: #0A0B0C;
            border-top: 1px solid rgba(200, 255, 0, 0.3);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            display: inline-flex;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 38px;
            }
            .hero-data-board {
                max-width: 100%;
                margin: 40px 0 0;
            }
            .feature-asymmetric {
                grid-template-columns: 1fr 1fr;
            }
            .feature-card.wide {
                grid-column: span 2;
                grid-row: span 1;
            }
            .review-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 56px;
                --card-padding: 20px;
            }
            .section-title {
                font-size: 26px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-card);
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 0;
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
                z-index: 998;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                padding: 12px 8px;
                border-bottom: 1px solid rgba(42, 48, 54, 0.5);
                width: 100%;
            }
            .nav-links a::after {
                display: none;
            }
            .nav-links a.active {
                border-left: 3px solid var(--accent);
                padding-left: 12px;
            }
            .nav-cta {
                display: none;
            }
            .mega-toggle {
                display: none;
            }
            .mega-panel {
                display: none !important;
            }
            .hamburger {
                display: flex;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 24px;
            }
            .feature-asymmetric {
                grid-template-columns: 1fr;
            }
            .feature-card.wide {
                grid-column: span 1;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .activity-card {
                flex-direction: column;
            }
            .activity-card img {
                width: 100%;
                height: 140px;
            }
            .community-block {
                padding: 20px;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .toc-wrapper {
                position: relative;
                top: 0;
                margin-bottom: 24px;
            }
            .section-head-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
                min-height: 48px;
            }
            .partner-tag {
                padding: 10px 16px;
                font-size: 13px;
            }
            .brand-intro-card {
                padding: 24px 18px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #101316;
            --bg-card: #14171A;
            --bg-card-hover: #1A1E22;
            --bg-input: #1A1E22;
            --bg-accordion: #1A1E22;
            --text-primary: #F4F6F5;
            --text-secondary: #C8CDD0;
            --text-muted: #858C91;
            --text-dark: #0B0C0E;
            --accent: #C8FF00;
            --accent-dim: rgba(200, 255, 0, 0.12);
            --accent-glow: rgba(200, 255, 0, 0.25);
            --accent-strong: #B3E600;
            --aux: #1F2A2E;
            --emphasis: #FF4D6D;
            --border: #2A3036;
            --border-hover: #C8FF00;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 0 1px #C8FF00;
            --shadow-glow: 0 0 20px rgba(200, 255, 0, 0.15);
            --transition: all 0.25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --section-gap: 88px;
            --section-gap-mobile: 52px;
            --card-padding: 28px;
            --card-padding-sm: 20px;
            --nav-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
            font-size: 16px;
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .grid-container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }
        .grid-container.fluid {
            max-width: 100%;
        }
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }
        .grid-x>.cell {
            padding-left: 12px;
            padding-right: 12px;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            min-height: 48px;
            text-decoration: none !important;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            color: var(--text-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.2);
        }
        .btn-primary:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border);
        }
        .btn-ghost:hover {
            background: var(--accent-dim);
            border-color: var(--border-hover);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-ghost:active {
            transform: translateY(0);
        }
        .btn-ghost:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .btn-sm {
            padding: 10px 18px;
            font-size: 13px;
            min-height: 38px;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 18px 36px;
            font-size: 17px;
            min-height: 58px;
            border-radius: var(--radius-md);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1.5;
        }
        .badge-accent {
            background: var(--accent-dim);
            color: var(--accent);
            border: 1px solid var(--accent-glow);
        }
        .badge-dark {
            background: var(--bg-card);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .badge-emphasis {
            background: rgba(255, 77, 109, 0.15);
            color: var(--emphasis);
            border: 1px solid rgba(255, 77, 109, 0.3);
        }
        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .grid-container {
            width: 100%;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .logo-text span {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            background: var(--accent-dim);
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid var(--accent-glow);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1;
            justify-content: flex-end;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links>li {
            position: relative;
        }
        .nav-links>li>a {
            display: block;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            letter-spacing: 0.01em;
            position: relative;
        }
        .nav-links>li>a:hover {
            color: var(--accent);
            background: var(--accent-dim);
        }
        .nav-links>li>a.active {
            color: var(--accent);
            background: var(--accent-dim);
            box-shadow: inset 0 0 0 1px var(--accent-glow);
        }
        .nav-links>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px 2px 0 0;
        }
        .nav-mega-toggle {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            background: transparent;
            transition: var(--transition);
        }
        .nav-mega-toggle:hover,
        .nav-mega-toggle:focus,
        .nav-mega-toggle.mega-open {
            color: var(--accent);
            border-color: var(--accent-glow);
            background: var(--accent-dim);
        }
        .nav-mega-toggle svg {
            flex-shrink: 0;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            width: 560px;
            max-width: 90vw;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6);
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all 0.28s ease;
            z-index: 110;
        }
        .mega-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel h5 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .mega-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            background: var(--bg-card);
            transition: var(--transition);
        }
        .mega-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-card);
        }
        .mega-card img {
            width: 48px;
            height: 48px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .mega-card .mega-card-info h6 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 2px;
        }
        .mega-card .mega-card-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.4;
        }
        .mega-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mega-list li a {
            display: block;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .mega-list li a:hover {
            background: var(--accent-dim);
            color: var(--accent);
        }
        .mega-footer-note {
            margin-top: 16px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            cursor: pointer;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .hamburger:hover {
            border-color: var(--accent-glow);
            color: var(--accent);
        }
        .hamburger svg {
            display: block;
        }
        @media (max-width: 1024px) {
            .nav-wrapper {
                gap: 12px;
            }
            .nav-links>li>a {
                padding: 8px 12px;
                font-size: 14px;
            }
            .mega-panel {
                width: 480px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-wrapper {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-secondary);
                border-bottom: 1px solid var(--border);
                padding: 16px 20px;
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                z-index: 90;
            }
            .nav-wrapper.mobile-open {
                transform: translateX(0);
            }
            .nav-links {
                flex-direction: column;
                gap: 4px;
                width: 100%;
            }
            .nav-links>li>a {
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }
            .nav-links>li>a.active::after {
                display: none;
            }
            .nav-mega-toggle {
                width: 100%;
                justify-content: space-between;
            }
            .mega-panel {
                position: static;
                width: 100%;
                max-width: 100%;
                margin-top: 8px;
                box-shadow: none;
                transform: none;
                opacity: 1;
                visibility: visible;
                display: none;
            }
            .mega-panel.open {
                display: block;
            }
            .mega-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ========== 面包屑 ========== */
        .breadcrumb-wrap {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li a {
            color: var(--text-secondary);
        }
        .breadcrumb li a:hover {
            color: var(--accent);
        }
        .breadcrumb li:last-child {
            color: var(--accent);
            font-weight: 600;
        }
        .breadcrumb li+li::before {
            content: '/';
            color: var(--text-muted);
            font-size: 13px;
        }
        /* ========== 分类页 Hero ========== */
        .category-hero {
            position: relative;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 56px 0 48px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 60% 50% at 80% 20%, rgba(200, 255, 0, 0.06), transparent 70%);
            pointer-events: none;
        }
        .category-hero-content {
            position: relative;
            z-index: 1;
            max-width: 780px;
        }
        .category-hero h1 {
            font-size: 42px;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
            margin: 0 0 16px;
            letter-spacing: -0.02em;
        }
        .category-hero h1 .accent {
            color: var(--accent);
        }
        .category-hero p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0 0 24px;
            max-width: 640px;
        }
        .category-hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-stat {
            display: flex;
            align-items: baseline;
            gap: 6px;
            font-size: 15px;
            color: var(--text-muted);
        }
        .hero-stat strong {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
        }
        /* ========== 资源下载特性 ========== */
        .download-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: -20px;
            position: relative;
            z-index: 2;
        }
        .download-feature-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--transition);
        }
        .download-feature-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .download-feature-item .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent);
        }
        .download-feature-item .feature-info h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 4px;
        }
        .download-feature-item .feature-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .download-features {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 0;
            }
        }
        @media (max-width: 640px) {
            .download-features {
                grid-template-columns: 1fr;
            }
        }
        /* ========== 资源卡片 ========== */
        .resource-filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
        }
        .resource-filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
        }
        .resource-filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tag {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tag:hover,
        .filter-tag:focus,
        .filter-tag.active {
            color: var(--accent);
            border-color: var(--accent-glow);
            background: var(--accent-dim);
        }
        .resource-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .resource-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .resource-card-grid {
                grid-template-columns: 1fr;
            }
        }
        .resource-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .resource-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .resource-card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .resource-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .resource-card:hover .resource-card-image img {
            transform: scale(1.04);
        }
        .resource-card-image .card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
        }
        .resource-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .resource-card-body h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.3;
        }
        .resource-card-body .resource-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .resource-card-body .resource-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 14px;
            background: var(--bg-input);
            border: 1px solid var(--border);
        }
        .resource-card-body .resource-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .resource-card-actions {
            display: flex;
            gap: 10px;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .resource-card-actions .btn {
            flex: 1;
            padding: 10px 14px;
            font-size: 13px;
            min-height: 40px;
            gap: 6px;
        }
        /* ========== 下载流程 ========== */
        .download-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        @media (max-width: 1024px) {
            .download-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .download-steps {
                grid-template-columns: 1fr;
            }
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
            transition: var(--transition);
            counter-increment: step;
        }
        .step-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .step-card::before {
            content: '0' counter(step);
            font-size: 42px;
            font-weight: 900;
            color: var(--accent-dim);
            line-height: 1;
            display: block;
            margin-bottom: 12px;
            letter-spacing: -0.03em;
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        /* ========== 安全下载保障 ========== */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .safety-grid {
                grid-template-columns: 1fr;
            }
        }
        .safety-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .safety-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }
        .safety-card .safety-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent);
        }
        .safety-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }
        .safety-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        /* ========== SEO 文本区 ========== */
        .seo-text-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .seo-text-block {
            max-width: 820px;
            margin: 0 auto;
        }
        .seo-text-block h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 28px 0 12px;
            line-height: 1.3;
        }
        .seo-text-block h2:first-child {
            margin-top: 0;
        }
        .seo-text-block p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin: 0 0 16px;
        }
        /* ========== FAQ ========== */
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: transparent;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item.open {
            border-color: var(--border-hover);
            background: var(--bg-card);
        }
        .faq-item button {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 20px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: var(--transition);
        }
        .faq-item button:hover {
            color: var(--accent);
        }
        .faq-item button .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-dim);
            border: 1px solid var(--accent-glow);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 18px;
            font-weight: 700;
            transition: var(--transition);
            line-height: 1;
        }
        .faq-item.open button .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--text-dark);
            border-color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0;
        }
        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 50% 60% at 50% 50%, rgba(200, 255, 0, 0.07), transparent 70%);
            pointer-events: none;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 900;
            color: var(--text-primary);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 28px;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* ========== 页脚 ========== */
        .main-footer {
            background: #0A0B0C;
            border-top: 1px solid var(--accent-glow);
            padding: 52px 0 28px;
            position: relative;
        }
        .main-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 28px;
            margin-bottom: 28px;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 12px 0 0;
            max-width: 320px;
        }
        .footer-brand .logo-text {
            font-size: 20px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom-links a {
            color: var(--text-muted);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ========== 通用调整 ========== */
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-desc {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-16 {
            gap: 16px;
        }
        .hidden-xs {
            display: block;
        }
        @media (max-width: 640px) {
            .hidden-xs {
                display: none;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero {
                padding: 36px 0 32px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
                min-height: 48px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
        }