/* roulang page: index */
:root {
            --primary: #4F46E5;
            --primary-dark: #3730A3;
            --primary-light: #818CF8;
            --secondary: #06B6D4;
            --secondary-dark: #0891B2;
            --accent: #F97316;
            --accent-hover: #EA580C;
            --dark-bg: #0F172A;
            --dark-card: #1E293B;
            --light-bg: #F8FAFC;
            --light-card: #FFFFFF;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --text-light: #F8FAFC;
            --text-light-muted: #94A3B8;
            --border-light: rgba(226, 232, 240, 0.8);
            --border-dark: rgba(255, 255, 255, 0.1);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 9999px;
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
            --shadow-glow: 0 0 25px rgba(79, 70, 229, 0.35);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--light-bg);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            width: 100%;
        }

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

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

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

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1));
            color: var(--primary);
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(79, 70, 229, 0.2);
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.0625rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 按钮与徽章 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            box-shadow: 0 10px 20px -5px rgba(79, 70, 229, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 25px -5px rgba(79, 70, 229, 0.5);
            color: #ffffff;
        }

        .btn-accent {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 10px 20px -5px rgba(249, 115, 22, 0.4);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 15px 25px -5px rgba(249, 115, 22, 0.5);
            color: #ffffff;
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #ffffff;
        }

        /* 顶部通栏导航 */
        .top-bar {
            background: #0B1120;
            color: var(--text-light-muted);
            font-size: 0.8125rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .top-bar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar-left, .top-bar-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .top-bar-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .top-bar-item i {
            color: var(--secondary);
        }

        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.35rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.25rem;
            -webkit-text-fill-color: #ffffff;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-link {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-main);
            position: relative;
            padding: 6px 0;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
            border-radius: var(--radius-full);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-main);
            background: none;
            cursor: pointer;
            padding: 8px;
        }

        /* 样式布局：通用板块样式 */
        section {
            padding: 96px 0;
            position: relative;
        }

        .bg-light {
            background-color: var(--light-bg);
        }

        .bg-white {
            background-color: #ffffff;
        }

        .bg-dark {
            background-color: var(--dark-bg);
            color: var(--text-light);
        }

        .bg-dark .section-title {
            color: #ffffff;
        }

        .bg-dark .section-subtitle {
            color: var(--text-light-muted);
        }

        .bg-gradient-subtle {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.04), rgba(6, 182, 212, 0.04));
        }

        /* 1. Hero 工业参数首屏 */
        .hero-section {
            position: relative;
            background: url('/assets/images/b8ce5d88b6c44f16.png') center/cover no-repeat;
            padding: 120px 0 100px;
            color: #ffffff;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(15, 23, 42, 0.85) 60%, rgba(79, 70, 229, 0.75) 100%);
            z-index: 1;
        }

        .hero-container {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 20px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-full);
            font-size: 0.9375rem;
            margin-bottom: 24px;
        }

        .hero-badge-pulse {
            width: 8px;
            height: 8px;
            background-color: #22C55E;
            border-radius: 50%;
            box-shadow: 0 0 10px #22C55E;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.4); opacity: 0.6; }
        }

        .hero-title {
            font-size: 3.25rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.03em;
        }

        .hero-title span {
            background: linear-gradient(135deg, #67E8F9, #A5B4FC);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.1875rem;
            line-height: 1.8;
            color: #E2E8F0;
            margin-bottom: 40px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        .hero-param-bar {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 24px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .param-item {
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .param-item:last-child {
            border-right: none;
        }

        .param-value {
            font-size: 2.25rem;
            font-weight: 800;
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
            color: #67E8F9;
            margin-bottom: 4px;
        }

        .param-label {
            font-size: 0.875rem;
            color: #94A3B8;
            font-weight: 500;
        }

        /* 2. 指标看板与关键参数区 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

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

        .metric-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.1));
            color: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .metric-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 8px;
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
        }

        .metric-text {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.5;
        }

        /* 3. 品牌故事与研发架构区 */
        .story-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .story-visual {
            position: relative;
        }

        .story-image {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            width: 100%;
            height: 440px;
            object-fit: cover;
        }

        .story-floating-card {
            position: absolute;
            bottom: -24px;
            right: -24px;
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 16px;
            max-width: 280px;
        }

        .story-floating-icon {
            width: 44px;
            height: 44px;
            background: #22C55E;
            color: #ffffff;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
        }

        .story-floating-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .story-floating-text p {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        .story-points {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 32px;
        }

        .story-point-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .story-point-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* 4. 系列导航与技术矩阵 (6卡片网格) */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .matrix-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }

        .matrix-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(79, 70, 229, 0.3);
        }

        .matrix-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .matrix-card-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(6, 182, 212, 0.08));
            color: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            transition: var(--transition);
        }

        .matrix-card:hover .matrix-card-icon {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
        }

        .matrix-card-badge {
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            background: #F1F5F9;
            color: var(--text-muted);
            border-radius: var(--radius-full);
            text-transform: uppercase;
        }

        .matrix-card-title {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .matrix-card-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 5. 爆款网格：热门游戏产品研发专区 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .product-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .product-image-wrap {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .product-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .product-badge-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(8px);
            color: #67E8F9;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.8125rem;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .product-body {
            padding: 28px 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .product-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .product-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .product-specs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
            font-size: 0.8125rem;
        }

        .spec-item span {
            color: var(--text-muted);
            display: block;
        }

        .spec-item strong {
            color: var(--text-main);
            font-weight: 600;
        }

        /* 6. 深色沉浸案例与算法理念区 */
        .dark-zone-content {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .dark-zone-text h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .dark-zone-text p {
            color: var(--text-light-muted);
            font-size: 1.0625rem;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .dark-features-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .dark-feature-item {
            background: var(--dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .dark-feature-icon {
            width: 40px;
            height: 40px;
            background: rgba(79, 70, 229, 0.2);
            color: #818CF8;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            flex-shrink: 0;
        }

        .algo-terminal {
            background: #0B1120;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
            font-size: 0.875rem;
        }

        .algo-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .algo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .algo-dot.red { background: #EF4444; }
        .algo-dot.yellow { background: #F59E0B; }
        .algo-dot.green { background: #10B981; }

        .algo-code {
            color: #A5B4FC;
            line-height: 1.6;
        }

        .algo-code .comment { color: #64748B; }
        .algo-code .keyword { color: #F472B6; }
        .algo-code .string { color: #34D399; }
        .algo-code .number { color: #FBBF24; }

        /* 7. 研运增长结果对比区 */
        .comparison-wrapper {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .comparison-table th, .comparison-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
        }

        .comparison-table th {
            background: #F8FAFC;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .comparison-table th:nth-child(2) {
            color: var(--text-muted);
        }

        .comparison-table th:nth-child(3) {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.04);
        }

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

        .comparison-table td:nth-child(3) {
            background: rgba(79, 70, 229, 0.02);
            font-weight: 600;
            color: var(--primary);
        }

        /* 8. 里程碑与研发演进路线 */
        .timeline {
            position: relative;
            max-width: 960px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
            border-radius: var(--radius-full);
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
        }

        .timeline-item.left {
            left: 0;
            text-align: right;
        }

        .timeline-item.right {
            left: 50%;
            text-align: left;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background: #ffffff;
            border: 4px solid var(--primary);
            top: 24px;
            border-radius: 50%;
            z-index: 1;
        }

        .timeline-item.right::after {
            left: -10px;
            border-color: var(--secondary);
        }

        .timeline-content {
            padding: 24px;
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .timeline-date {
            font-size: 0.875rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            display: inline-block;
        }

        .timeline-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .timeline-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 9. 用户评价与行业口碑区 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-stars {
            color: #F59E0B;
            margin-bottom: 16px;
            font-size: 0.875rem;
        }

        .testimonial-quote {
            font-size: 0.9375rem;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 24px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .author-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.125rem;
        }

        .author-info h5 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .author-info span {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        /* 10. 新闻资讯与技术洞察摘要区 */
        .news-grid {
            display: grid;
            grid-template-columns: 1.2fr 1.8fr;
            gap: 32px;
        }

        .featured-news {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
        }

        .featured-news-img {
            height: 240px;
            width: 100%;
            object-fit: cover;
        }

        .featured-news-body {
            padding: 32px;
            flex-grow: 1;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-list-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .news-list-item:hover {
            transform: translateX(6px);
            border-color: var(--primary-light);
        }

        .news-list-content h4 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .news-list-content p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .news-date {
            font-size: 0.8125rem;
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
        }

        /* 11. 常见疑问解答 (FAQ Accordion) */
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-question {
            padding: 22px 28px;
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .faq-answer {
            padding: 0 28px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-item.active .faq-answer {
            padding: 0 28px 24px;
            max-height: 500px;
            transition: all 0.3s cubic-bezier(1, 0, 1, 0);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* 12. 进店入口与服务保障转化表单区 */
        .conversion-wrapper {
            background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            box-shadow: var(--shadow-lg);
            color: #ffffff;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .trust-badges {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 32px;
        }

        .trust-badge-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.06);
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .trust-badge-item i {
            color: var(--secondary);
            font-size: 1.25rem;
        }

        .conversion-form {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 36px;
            color: var(--text-main);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #CBD5E1;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            transition: var(--transition);
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
        }

        /* 底部固定转化浮动条 */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.92);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 14px 0;
            z-index: 999;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .sticky-cta-bar.visible {
            transform: translateY(0);
        }

        .sticky-cta-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .sticky-cta-text {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
        }

        .sticky-cta-text span {
            color: var(--secondary);
        }

        /* Footer 页脚规范 */
        .footer {
            background: #0B1120;
            color: var(--text-light-muted);
            padding: 80px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9375rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 64px;
        }

        .footer-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-desc {
            line-height: 1.7;
            margin-bottom: 24px;
            font-size: 0.875rem;
        }

        .footer-title {
            color: #ffffff;
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 0.875rem;
        }

        .footer-contact-item i {
            color: var(--secondary);
            margin-top: 4px;
        }

        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8125rem;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.75rem; }
            .hero-param-bar { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .param-item:nth-child(2) { border-right: none; }
            .metrics-grid, .matrix-grid, .products-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .dark-zone-content, .conversion-wrapper, .story-container { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .top-bar { display: none; }
            .nav-menu {
                position: fixed;
                top: 76px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 76px);
                background: #ffffff;
                flex-direction: column;
                padding: 32px 24px;
                box-shadow: var(--shadow-lg);
                transition: right 0.3s ease;
                align-items: flex-start;
                gap: 20px;
            }
            .nav-menu.active { right: 0; }
            .nav-toggle { display: block; }
            .nav-actions .btn { display: none; }
            .hero-title { font-size: 2.125rem; }
            .hero-desc { font-size: 1rem; }
            .hero-param-bar { grid-template-columns: 1fr; }
            .param-item { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.1); padding-bottom: 12px; }
            .param-item:last-child { border-bottom: none; }
            .metrics-grid, .matrix-grid, .products-grid, .testimonials-grid, .news-grid { grid-template-columns: 1fr; }
            .timeline::after { left: 20px; }
            .timeline-item { width: 100%; padding-left: 50px; padding-right: 0; text-align: left; }
            .timeline-item.right { left: 0; }
            .timeline-item::after { left: 10px; right: auto; }
            .conversion-wrapper { padding: 32px 20px; }
            .conversion-form { padding: 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 36px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .story-floating-card { position: static; margin-top: 16px; max-width: 100%; }
        }