:root {
            --primary-candy: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
            --secondary-candy: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
            --accent-candy: linear-gradient(120deg, #d4fc79 0%, #96e6a1 100%);
            --warm-candy: linear-gradient(to right, #ffcf71 0%, #ff8f61 100%);
            --soft-purple: linear-gradient(to top, #a18cd1 0%, #fbc2eb 100%);
            
            --bg-light: #fafbfe;
            --text-dark: #2c3e50;
            --text-muted: #6a7b8c;
            --white: #ffffff;
            --card-shadow: 0 15px 35px rgba(240, 244, 250, 0.8), 0 5px 15px rgba(218, 224, 235, 0.4);
            --border-radius: 24px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 基础容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 缤纷糖果风标题与徽标 */
        .section-badge {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 700;
            background: var(--secondary-candy);
            color: #2b5c8f;
            margin-bottom: 16px;
            box-shadow: 0 4px 10px rgba(161, 196, 253, 0.3);
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #3a6073, #3a7bd5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(235, 240, 245, 0.8);
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

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

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

        .ai-page-logo {
            height: 44px;
            width: auto;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(45deg, #ff6b6b, #ff8e53);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 12px;
        }

        .nav-menu a:hover {
            background: rgba(254, 207, 239, 0.4);
            color: #d63031;
        }

        .nav-btn {
            background: var(--warm-candy);
            color: var(--white);
            padding: 10px 24px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 700;
            box-shadow: 0 8px 15px rgba(255, 143, 97, 0.3);
            transition: var(--transition);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 20px rgba(255, 143, 97, 0.4);
        }

        /* 移动端菜单开关 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            width: 28px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* Hero 首屏 (无图设计) */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 10% 20%, rgba(254, 207, 239, 0.6) 0%, rgba(254, 254, 254, 0.9) 90%), 
                        radial-gradient(circle at 90% 80%, rgba(161, 196, 253, 0.5) 0%, rgba(254, 254, 254, 0.9) 90%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--primary-candy);
            filter: blur(120px);
            top: -50px;
            left: -50px;
            opacity: 0.5;
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: var(--secondary-candy);
            filter: blur(150px);
            bottom: -100px;
            right: -100px;
            opacity: 0.6;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-title-h1 {
            font-size: 48px;
            line-height: 1.25;
            font-weight: 850;
            margin-bottom: 24px;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #130cb7 0%, #52e5e7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 20px;
            color: #576574;
            margin-bottom: 40px;
            font-weight: 500;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .btn-primary {
            background: var(--primary-candy);
            color: #d63031;
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 800;
            text-decoration: none;
            box-shadow: 0 10px 25px rgba(254, 207, 239, 0.8);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(254, 207, 239, 1);
        }

        .btn-secondary {
            background: var(--white);
            color: #3b5998;
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 800;
            text-decoration: none;
            border: 2px solid #c2e9fb;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: #f0f8ff;
            transform: translateY(-3px);
        }

        /* 核心卖点标签 */
        .hero-tags {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-tag {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.9);
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-dark);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        /* 通用区块设置 */
        section {
            padding: 90px 0;
            position: relative;
        }

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

        .bg-soft {
            background-color: #f7f9fd;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: -40px;
            position: relative;
            z-index: 20;
        }

        .stat-card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--card-shadow);
            border: 2px solid rgba(254, 207, 239, 0.2);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(161, 196, 253, 0.6);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 900;
            margin-bottom: 8px;
            background: linear-gradient(135deg, #ff8f61, #ffcf71);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 平台介绍板块 */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

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

        .intro-feat-card {
            background: var(--white);
            padding: 24px;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            border-left: 5px solid #ff9a9e;
        }

        .intro-feat-card:nth-child(even) {
            border-left-color: #a1c4fd;
        }

        .intro-feat-card h4 {
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 8px;
            color: #2c3e50;
        }

        .intro-feat-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 服务能力卡片 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 40px 30px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 6px;
            background: var(--primary-candy);
        }

        .service-card:nth-child(2n)::before {
            background: var(--secondary-candy);
        }

        .service-card:nth-child(3n)::before {
            background: var(--accent-candy);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(254, 207, 239, 0.4);
            box-shadow: 0 20px 40px rgba(254, 207, 239, 0.4);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 24px;
            background: #fff0f5;
        }

        .service-card:nth-child(2n) .service-icon {
            background: #e6f2ff;
        }

        .service-card:nth-child(3n) .service-icon {
            background: #f0fff0;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }

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

        .service-features {
            list-style: none;
            padding-top: 15px;
            border-top: 1px dashed #eee;
        }

        .service-features li {
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #576574;
        }

        .service-features li::before {
            content: '✦';
            color: #ff9a9e;
        }

        /* 一站式AIGC制作场景 */
        .scene-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .scene-card {
            background: var(--white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .scene-card:hover {
            transform: translateY(-6px);
        }

        .scene-image-container {
            position: relative;
            overflow: hidden;
            background: #f1f2f6;
            height: 200px;
        }

        .scene-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .scene-badge-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: rgba(255, 255, 255, 0.95);
            padding: 6px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 800;
            color: #d63031;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }

        .scene-body {
            padding: 24px;
        }

        .scene-body h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .scene-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* 流程步骤 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            position: relative;
        }

        .process-step {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--card-shadow);
            position: relative;
            border-top: 4px solid #ff9a9e;
        }

        .process-step:nth-child(2) { border-top-color: #a1c4fd; }
        .process-step:nth-child(3) { border-top-color: #d4fc79; }
        .process-step:nth-child(4) { border-top-color: #fbc2eb; }

        .step-number {
            width: 44px;
            height: 44px;
            background: var(--primary-candy);
            color: #d63031;
            font-weight: 900;
            font-size: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .process-step:nth-child(2) .step-number { background: var(--secondary-candy); color: #2b5c8f; }
        .process-step:nth-child(3) .step-number { background: var(--accent-candy); color: #4b7b2a; }
        .process-step:nth-child(4) .step-number { background: var(--soft-purple); color: #7f527f; }

        .process-step h4 {
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 8px;
        }

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

        /* 技术标准 */
        .tech-standards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .tech-list {
            list-style: none;
        }

        .tech-item {
            background: var(--white);
            margin-bottom: 16px;
            padding: 20px;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .tech-icon {
            background: #fff5f5;
            color: #ff6b6b;
            padding: 10px;
            border-radius: 12px;
            font-weight: 800;
            font-size: 18px;
        }

        .tech-item:nth-child(2n) .tech-icon {
            background: #eef5ff;
            color: #3b82f6;
        }

        .tech-info h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 4px;
        }

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

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            padding: 24px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid #edf2f7;
        }

        .comparison-table th {
            font-weight: 800;
            color: var(--text-dark);
            background: #f8fafc;
        }

        .comparison-table tr:hover {
            background: rgba(254, 207, 239, 0.1);
        }

        .badge-star {
            background: var(--primary-candy);
            color: #d63031;
            padding: 4px 10px;
            border-radius: 10px;
            font-weight: 800;
            font-size: 12px;
        }

        .badge-good {
            background: var(--accent-candy);
            color: #4b7b2a;
            padding: 4px 10px;
            border-radius: 10px;
            font-weight: 800;
            font-size: 12px;
        }

        /* 标签云与支持模型 */
        .brand-cloud-wrapper {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--card-shadow);
            text-align: center;
        }

        .brand-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .brand-tag {
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            color: #4a5568;
            background: #f7fafc;
            border: 1px solid #e2e8f0;
            transition: var(--transition);
        }

        .brand-tag:hover {
            background: var(--primary-candy);
            color: #d63031;
            transform: scale(1.05);
            border-color: transparent;
        }

        /* 价格与Token比价 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .price-card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 40px 30px;
            box-shadow: var(--card-shadow);
            border: 2px solid transparent;
            text-align: center;
            transition: var(--transition);
        }

        .price-card.popular {
            border-color: #ff9a9e;
            position: relative;
        }

        .price-card.popular::after {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--primary-candy);
            color: #d63031;
            font-size: 12px;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 10px;
        }

        .price-header h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .price-header p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .price-amount {
            font-size: 36px;
            font-weight: 900;
            color: #2d3748;
            margin-bottom: 24px;
        }

        .price-amount span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .price-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .price-features li {
            font-size: 14px;
            margin-bottom: 12px;
            color: #4a5568;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-features li::before {
            content: '✓';
            color: #2b6cb0;
            font-weight: bold;
        }

        /* 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .training-card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 30px 24px;
            box-shadow: var(--card-shadow);
            border-bottom: 6px solid #a1c4fd;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
        }

        .training-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .training-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .training-tag {
            display: inline-block;
            background: #ebf8ff;
            color: #2b6cb0;
            padding: 4px 8px;
            border-radius: 8px;
            font-size: 11px;
            font-weight: 700;
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            margin-bottom: 16px;
            border-radius: 16px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
            border: 1px solid #edf2f7;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            background: #fff;
            color: var(--text-dark);
        }

        .faq-question::after {
            content: '+';
            font-size: 22px;
            font-weight: 500;
            transition: var(--transition);
            color: var(--text-muted);
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #fafbfd;
        }

        .faq-answer-content {
            padding: 20px 24px;
            font-size: 14px;
            color: #576574;
            border-top: 1px solid #edf2f7;
            line-height: 1.6;
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .comment-card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-size: 14px;
            color: #4a5568;
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .user-info h4 {
            font-size: 15px;
            font-weight: 800;
        }

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

        /* 行业资讯 / 知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .article-card {
            background: var(--white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-6px);
        }

        .article-body {
            padding: 24px;
        }

        .article-body h3 {
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .article-body h3 a {
            text-decoration: none;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .article-body h3 a:hover {
            color: #ff8f61;
        }

        .article-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            justify-content: space-between;
        }

        /* 需求表单与联系我们 */
        .contact-section-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
        }

        .form-card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--card-shadow);
        }

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

        .form-label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 14px 18px;
            border-radius: 12px;
            border: 2px solid #edf2f7;
            background: #fafbfd;
            font-family: inherit;
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: #ff9a9e;
            background: var(--white);
        }

        .form-btn {
            width: 100%;
            background: var(--warm-candy);
            color: var(--white);
            border: none;
            padding: 16px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 800;
            cursor: pointer;
            box-shadow: 0 10px 20px rgba(255, 143, 97, 0.3);
            transition: var(--transition);
        }

        .form-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 25px rgba(255, 143, 97, 0.4);
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-detail-item {
            margin-bottom: 16px;
            font-size: 16px;
        }

        .qr-codes-area {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

        .qr-card {
            background: var(--white);
            padding: 16px;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            text-align: center;
            max-width: 160px;
        }

        .qr-card img {
            width: 120px;
            height: 120px;
            margin-bottom: 10px;
        }

        .qr-card p {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-dark);
        }

        /* 宣传图展示 */
        .banner-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .banner-gallery img {
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
        }

        /* 友情链接与底部 */
        footer {
            background: #1a202c;
            color: #a0aec0;
            padding: 60px 0 30px;
        }

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

        .footer-brand h3 {
            color: var(--white);
            margin-bottom: 16px;
            font-size: 22px;
        }

        .footer-links-list {
            list-style: none;
        }

        .footer-links-list li {
            margin-bottom: 10px;
        }

        .footer-links-list a {
            color: #a0aec0;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links-list a:hover {
            color: var(--white);
        }

        .friend-links-box {
            border-top: 1px solid #2d3748;
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links-box h4 {
            color: var(--white);
            margin-bottom: 12px;
            font-size: 14px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .friend-links a {
            color: #a0aec0;
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }

        .friend-links a:hover {
            color: var(--white);
        }

        .footer-bottom {
            border-top: 1px solid #2d3748;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 浮动客服入口 */
        .floating-contact {
            position: fixed;
            bottom: 40px;
            right: 40px;
            background: var(--white);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            border-radius: 50px;
            padding: 10px 24px;
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 999;
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 750;
            border: 2px solid #fecfef;
            transition: var(--transition);
        }

        .floating-contact:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 15px 35px rgba(254, 207, 239, 0.6);
        }

        .dot-green {
            width: 10px;
            height: 10px;
            background: #2ecc71;
            border-radius: 50%;
            display: inline-block;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(46, 204, 113, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .intro-grid, .tech-standards-grid, .contact-section-wrapper {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero-title-h1 {
                font-size: 32px;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                border-bottom: 2px solid #fecfef;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .banner-gallery {
                grid-template-columns: 1fr;
            }
            .floating-contact {
                bottom: 20px;
                right: 20px;
                padding: 8px 16px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }