/* 变量定义：霓虹亮彩风 + 浅色底高对比度 */
        :root {
            --bg-primary: #f8fafd;
            --bg-secondary: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --neon-blue: #00f2fe;
            --neon-purple: #9d4edd;
            --neon-pink: #ff007f;
            --border-color: #e2e8f0;
            --primary-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
            --neon-gradient: linear-gradient(135deg, #00f2fe 0%, #9d4edd 50%, #ff007f 100%);
            --card-shadow: 0 10px 30px rgba(0, 242, 254, 0.05), 0 1px 3px rgba(0, 0, 0, 0.02);
            --hover-shadow: 0 20px 45px rgba(157, 78, 221, 0.12), 0 4px 12px rgba(0, 242, 254, 0.08);
            --max-width: 1200px;
        }

        /* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            position: relative;
        }

        /* 全局通用布局容器 */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 霓虹背景装饰（浅色背景上的微弱亮彩发光感） */
        .neon-bg-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(157, 78, 221, 0.08) 50%, transparent 100%);
            filter: blur(80px);
            z-index: -1;
            pointer-events: none;
        }

        .neon-bg-glow-right {
            top: 200px;
            right: -200px;
        }

        .neon-bg-glow-left {
            top: 1200px;
            left: -200px;
        }

        /* 顶部导航栏 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 242, 254, 0.15);
            transition: all 0.3s ease;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-area img {
            max-height: 48px;
            width: auto;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: var(--neon-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.5px;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-links {
            display: flex;
            gap: 24px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
            padding: 8px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--neon-gradient);
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 50px;
            background: var(--neon-gradient);
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(157, 78, 221, 0.3);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(157, 78, 221, 0.5);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-primary);
            transition: 0.3s;
        }

        /* Hero 首屏 - 保证无任何图片，全文字与霓虹视觉排版 */
        .hero-section {
            padding: 120px 0 100px;
            position: relative;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 50px;
            background: rgba(157, 78, 221, 0.08);
            border: 1px solid rgba(157, 78, 221, 0.3);
            color: var(--neon-purple);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
            animation: pulse-glow 2s infinite alternate;
        }

        @keyframes pulse-glow {
            from { box-shadow: 0 0 10px rgba(157, 78, 221, 0.1); }
            to { box-shadow: 0 0 20px rgba(157, 78, 221, 0.3); }
        }

        h1.hero-title {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--text-primary);
            margin-bottom: 24px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        h1.hero-title span.neon-text {
            background: var(--neon-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            color: #ffffff;
            background: var(--neon-gradient);
            box-shadow: 0 8px 25px rgba(157, 78, 221, 0.35);
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 35px rgba(0, 242, 254, 0.5);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            color: var(--text-primary);
            background: var(--bg-secondary);
            border: 2px solid var(--border-color);
            transition: all 0.3s ease;
            box-shadow: var(--card-shadow);
        }

        .btn-secondary:hover {
            border-color: var(--neon-blue);
            box-shadow: 0 6px 20px rgba(0, 242, 254, 0.15);
            transform: translateY(-2px);
        }

        /* 核心数据卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 80px;
        }

        .stat-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            padding: 30px 24px;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--hover-shadow);
            border-color: rgba(157, 78, 221, 0.3);
        }

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

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            background: var(--neon-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
            display: inline-block;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .stat-sub {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Section 通用样式 */
        section {
            padding: 100px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--neon-purple);
            margin-bottom: 12px;
            display: block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--neon-gradient);
            border-radius: 2px;
        }

        .section-intro {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 16px auto 0;
        }

        /* 关于我们与平台介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            color: var(--text-primary);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.8;
            font-size: 15px;
        }

        .about-features {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .about-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 14px;
        }

        .about-features li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--neon-blue);
            color: #ffffff;
            font-size: 12px;
            font-weight: bold;
        }

        .about-quote {
            background: #ffffff;
            border-left: 4px solid var(--neon-purple);
            padding: 24px;
            border-radius: 0 16px 16px 0;
            box-shadow: var(--card-shadow);
        }

        .about-quote-text {
            font-style: italic;
            color: var(--text-primary);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .about-quote-author {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 全平台AIGC服务与模型聚合 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 36px 30px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--hover-shadow);
            border-color: rgba(0, 242, 254, 0.4);
        }

        .service-icon-box {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(0, 242, 254, 0.1) 0%, rgba(157, 78, 221, 0.1) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            border: 1px solid rgba(0, 242, 254, 0.2);
        }

        .service-icon-box svg {
            width: 28px;
            height: 28px;
            stroke: var(--neon-purple);
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .model-tag {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 30px;
            background: #f1f5f9;
            color: var(--text-muted);
            border: 1px solid #e2e8f0;
            font-weight: 500;
        }

        .service-card:hover .model-tag {
            background: rgba(157, 78, 221, 0.05);
            border-color: rgba(157, 78, 221, 0.2);
            color: var(--neon-purple);
        }

        /* 场景展示：网格排版 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .scenario-box {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            text-align: center;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
        }

        .scenario-box:hover {
            transform: translateY(-5px);
            box-shadow: var(--hover-shadow);
            border-color: var(--neon-pink);
        }

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

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

        /* 流程与步骤组件 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            position: relative;
            margin-top: 40px;
        }

        .steps-container::after {
            content: '';
            position: absolute;
            top: 35px;
            left: 5%;
            right: 5%;
            height: 2px;
            background: dashed var(--border-color);
            z-index: 1;
        }

        .step-node {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 3px solid var(--neon-purple);
            color: var(--neon-purple);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            margin: 0 auto 16px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
        }

        .step-node:hover .step-num {
            background: var(--neon-gradient);
            color: #ffffff;
            border-color: transparent;
            transform: scale(1.1);
        }

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

        .step-desc {
            font-size: 12px;
            color: var(--text-muted);
            padding: 0 8px;
        }

        /* 技术标准与特色 */
        .tech-standards-layout {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tech-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
        }

        .tech-card:hover {
            box-shadow: var(--hover-shadow);
            transform: translateY(-4px);
        }

        .tech-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }

        .tech-badge {
            background: rgba(0, 242, 254, 0.1);
            color: var(--neon-purple);
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 700;
        }

        .tech-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }

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

        /* 对比评测板块 - 核心要求 */
        .review-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 40px;
            align-items: stretch;
        }

        .rating-box {
            background: linear-gradient(135deg, rgba(157, 78, 221, 0.03) 0%, rgba(0, 242, 254, 0.03) 100%);
            border: 2px dashed rgba(157, 78, 221, 0.2);
            border-radius: 24px;
            padding: 40px;
            text-align: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .rating-score {
            font-size: 72px;
            font-weight: 900;
            background: var(--neon-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 10px;
        }

        .rating-stars {
            color: #ffb703;
            font-size: 28px;
            margin-bottom: 16px;
        }

        .rating-verdict {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .rating-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .comparison-table-wrapper {
            background: #ffffff;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

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

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            font-size: 14px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background-color: #f8fafc;
            color: var(--text-primary);
            font-weight: 700;
        }

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

        .comparison-table td strong {
            color: var(--neon-purple);
        }

        .highlight-row {
            background-color: rgba(0, 242, 254, 0.02);
        }

        /* Token 比价参考 */
        .token-pricing {
            margin-top: 40px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            background: #ffffff;
            box-shadow: var(--card-shadow);
        }

        .pricing-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .pricing-table th, .pricing-table td {
            padding: 14px 20px;
            font-size: 13px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }

        .pricing-table th {
            background: #f8fafc;
            font-weight: 700;
            color: var(--text-primary);
        }

        .price-badge-low {
            background: rgba(0, 200, 83, 0.1);
            color: #00c853;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        /* 职业技术培训区块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            text-align: center;
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--hover-shadow);
            border-color: var(--neon-purple);
        }

        .training-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .training-badge {
            display: inline-block;
            background: #f1f5f9;
            color: var(--text-secondary);
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .training-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 案例展示中心 (含图片资产) */
        .showcase-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .showcase-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .showcase-right {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 30px;
            box-shadow: var(--card-shadow);
        }

        .media-container {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: #f8fafc;
            position: relative;
        }

        .media-container img {
            width: 100%;
            display: block;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .media-container:hover img {
            transform: scale(1.03);
        }

        .media-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(0, 0, 0, 0.75);
            color: #ffffff;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .showcase-item-desc {
            padding: 16px 0 0;
        }

        .showcase-item-desc h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .showcase-item-desc p {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 客户评论卡片 (6条真实用户评论) */
        .reviews-slider {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .user-review-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s ease;
        }

        .user-review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
            border-color: rgba(157, 78, 221, 0.2);
        }

        .review-stars {
            color: #ffb703;
            font-size: 14px;
            margin-bottom: 12px;
        }

        .review-text {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .review-user-info {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
        }

        .user-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .user-meta h5 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .user-meta span {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* 智能需求匹配与提交表单 */
        .form-section-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }

        .form-info h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .form-info p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .form-features-list {
            list-style: none;
        }

        .form-features-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .form-features-list li::before {
            content: '✦';
            color: var(--neon-pink);
            font-weight: bold;
        }

        .submit-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 36px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.04);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            background: #f8fafc;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--neon-purple);
            background: #ffffff;
            box-shadow: 0 0 0 3px rgba(157, 78, 221, 0.15);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px;
            border-radius: 10px;
            background: var(--neon-gradient);
            border: none;
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(157, 78, 221, 0.3);
            transition: all 0.3s ease;
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(157, 78, 221, 0.5);
        }

        /* 常见问题自助排查 & AI术语百科 */
        .tools-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .tool-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
        }

        .tool-card h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .tool-card h3::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 18px;
            background: var(--neon-purple);
            border-radius: 3px;
        }

        /* 术语标签云 */
        .term-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .term-bubble {
            background: #f1f5f9;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 10px 14px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: left;
        }

        .term-bubble:hover {
            background: rgba(0, 242, 254, 0.05);
            border-color: var(--neon-blue);
            transform: translateY(-2px);
        }

        .term-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .term-def {
            font-size: 11px;
            color: var(--text-muted);
            display: none;
        }

        .term-bubble.active {
            background: rgba(157, 78, 221, 0.08);
            border-color: var(--neon-purple);
        }

        .term-bubble.active .term-def {
            display: block;
            margin-top: 6px;
            border-top: 1px dashed rgba(157, 78, 221, 0.2);
            padding-top: 6px;
        }

        /* 自助排查交互 */
        .troubleshoot-steps {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .troubleshoot-item {
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .troubleshoot-item:hover {
            border-color: var(--neon-pink);
            background: rgba(255, 0, 127, 0.02);
        }

        .troubleshoot-q {
            font-size: 13.5px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .troubleshoot-q::after {
            content: '+';
            font-size: 16px;
            color: var(--text-muted);
        }

        .troubleshoot-a {
            font-size: 12.5px;
            color: var(--text-secondary);
            margin-top: 8px;
            display: none;
            border-top: 1px solid #f1f5f9;
            padding-top: 8px;
        }

        .troubleshoot-item.active .troubleshoot-a {
            display: block;
        }

        .troubleshoot-item.active .troubleshoot-q::after {
            content: '-';
        }

        /* 常见问题 FAQ 折叠面板 (不少于 10 条) */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(157, 78, 221, 0.3);
            box-shadow: var(--hover-shadow);
        }

        .faq-question {
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-icon {
            font-size: 20px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 20px;
            max-height: 200px;
            border-top: 1px solid #f8fafc;
        }

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

        /* 资讯与最新文章 (使用变量数据) */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 14px;
            padding: 20px;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
            border-color: var(--neon-blue);
        }

        .article-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 12px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
        }

        .article-btn {
            font-size: 12px;
            font-weight: 700;
            color: var(--neon-purple);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-btn:hover {
            color: var(--neon-pink);
        }

        /* 页脚区域 & 友情链接 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 80px 0 30px;
            font-size: 14px;
            border-top: 3px solid var(--neon-purple);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand-logo img {
            max-height: 40px;
            width: auto;
            
        }

        .footer-title {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }

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

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

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

        .contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .contact-qr-box {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            padding: 16px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .contact-qr-box img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            display: block;
            margin: 0 auto 8px;
        }

        .contact-qr-box span {
            font-size: 11px;
            color: #cbd5e1;
        }

        /* 友情链接专区 */
        .friendship-links {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            margin-bottom: 30px;
            text-align: center;
        }

        .friendship-links-title {
            font-size: 13px;
            color: #64748b;
            margin-bottom: 12px;
            font-weight: 700;
            text-transform: uppercase;
        }

        .friendship-links-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px 24px;
        }

        .friendship-links-wrapper a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s ease;
        }

        .friendship-links-wrapper a:hover {
            color: var(--neon-blue);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: #64748b;
        }

        /* 右侧悬浮面板 */
        .floating-panel {
            position: fixed;
            bottom: 40px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            border: 1px solid var(--border-color);
        }

        .float-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(157, 78, 221, 0.3);
            border-color: var(--neon-purple);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--text-primary);
        }

        .float-btn:hover svg {
            fill: var(--neon-purple);
        }

        .qr-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            display: none;
            text-align: center;
            width: 140px;
        }

        .qr-popover img {
            width: 108px;
            height: 108px;
            display: block;
            margin: 0 auto 8px;
        }

        .qr-popover span {
            font-size: 11px;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .float-btn:hover .qr-popover {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-container {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
            .steps-container::after {
                display: none;
            }
            .tech-standards-layout {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .reviews-slider {
                grid-template-columns: repeat(2, 1fr);
            }
            .articles-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
                gap: 16px;
            }
            .nav-links.active {
                display: flex;
            }
            .about-layout, .review-layout, .form-section-layout, .tools-layout, .showcase-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            h1.hero-title {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-slider {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
            .steps-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .submit-card {
                padding: 20px;
            }
        }