* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #fff;
            overflow-x: hidden;
        }
        
        /* 顶部通知栏 */
        .top-bar {
            background: linear-gradient(135deg, #1877f2 0%, #0d47a1 100%);
            color: #fff;
            text-align: center;
            padding: 12px 20px;
            font-size: 15px;
            position: relative;
            overflow: hidden;
        }
        
        .top-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
            animation: shimmer 3s infinite;
        }
        
        @keyframes shimmer {
            0% { left: -100%; }
            100% { left: 100%; }
        }
        
        /* 导航栏 */
        .nav {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.08);
        }
        
        .nav-inner {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
        }
        
        .nav .logo {
            font-size: 32px;
            font-weight: 900;
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 2px;
            padding: 20px 0;
        }
        
        .nav ul {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .nav li {
            margin: 0 15px;
        }
        
        .nav a {
            color: #333;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .nav a:hover {
            color: #1877f2;
            background: rgba(24, 119, 242, 0.08);
        }
        
        .btn-login {
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            color: #fff !important;
            border: none;
            border-radius: 25px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            margin-left: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(24, 119, 242, 0.3);
            text-decoration: none;
        }
        
        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(24, 119, 242, 0.4);
        }
        
        /* 容器 */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部区域 */
        .header {
            background: linear-gradient(135deg, #f8fbff 0%, #f0f8ff 100%);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 80px 0 60px 0;
            min-height: 80vh;
        }
        
        .header-left {
            flex: 1;
            max-width: 55%;
            padding-right: 40px;
        }
        
        .header-left h1 {
            font-size: 42px;
            margin: 0 0 24px 0;
            font-weight: 800;
            line-height: 1.3;
            background: linear-gradient(135deg, #1e3a8a, #1877f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .header-left p {
            font-size: 18px;
            color: #4a5568;
            margin: 0 0 30px 0;
            line-height: 1.8;
        }
        
        .header-left ul {
            margin: 30px 0;
            padding: 0;
            list-style: none;
        }
        
        .header-left ul li {
            margin-bottom: 15px;
            font-size: 16px;
            color: #4a5568;
            display: flex;
            align-items: center;
            padding: 8px 0;
        }
        
        .header-left ul li:before {
            content: '🔒';
            margin-right: 12px;
            font-size: 18px;
        }
        
        .cta-btn {
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            color: #fff;
            border: none;
            font-size: 18px;
            font-weight: 600;
            padding: 16px 40px;
            border-radius: 50px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            margin-top: 30px;
            transition: all 0.3s ease;
            box-shadow: 0 8px 30px rgba(24, 119, 242, 0.3);
        }
        
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(24, 119, 242, 0.4);
        }
        
        .header-right {
            flex: 1;
            text-align: center;
        }
        
        .header-right img {
            width: 100%;
            max-width: 500px;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        
        .header-right img:hover {
            transform: scale(1.02);
        }
        
        /* 产品套餐区域 */
        .product-section {
            background: #fff;
            padding: 100px 0 80px 0;
            position: relative;
        }
        
        .product-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100px;
            background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
        }
        
        .product-section h2 {
            text-align: center;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #1e3a8a, #1877f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .product-section > p {
            text-align: center;
            color: #4a5568;
            font-size: 18px;
            margin-bottom: 50px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Tab切换 */
        .tabs {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 50px;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .tab-btn {
            font-size: 16px;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 25px;
            background: #f7fafc;
            color: #4a5568;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .tab-btn:hover {
            background: #edf2f7;
            transform: translateY(-1px);
        }
        
        .tab-btn.active {
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            color: #fff;
            border-color: #1877f2;
            box-shadow: 0 8px 25px rgba(24, 119, 242, 0.3);
        }
        
        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .tab-content.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* 产品卡片 */
        .product-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .product-card {
            background: #fff;
            border: 2px solid #e2e8f0;
            border-radius: 20px;
            padding: 30px 25px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        
        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        
        .product-card:hover {
            transform: translateY(-8px);
            border-color: #1877f2;
            box-shadow: 0 20px 60px rgba(24, 119, 242, 0.15);
        }
        
        .product-card:hover::before {
            transform: scaleX(1);
        }
        
        .product-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #2d3748;
        }
        
        .product-card .price {
            font-size: 32px;
            font-weight: 800;
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }
        
        .product-card .sub {
            font-size: 14px;
            color: #718096;
            font-weight: 500;
        }
        
        .product-card ul {
            list-style: none;
            padding: 0;
            margin: 25px 0;
            text-align: left;
        }
        
        .product-card ul li {
            margin-bottom: 8px;
            font-size: 15px;
            color: #4a5568;
            padding: 5px 0;
            border-bottom: 1px solid #f7fafc;
        }
        
        .product-card a {
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            color: #fff;
            border: none;
            border-radius: 25px;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 30px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(24, 119, 242, 0.3);
        }
        
        .product-card a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(24, 119, 242, 0.4);
        }
        
        /* 服务器类型区域 */
        .server-type-section {
            background: linear-gradient(135deg, #f8fbff 0%, #f0f8ff 100%);
            padding: 100px 0;
        }
        
        .server-type-title {
            font-size: 36px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #1e3a8a, #1877f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .server-type-desc {
            color: #4a5568;
            text-align: center;
            margin-bottom: 60px;
            font-size: 18px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            padding: 0 20px;
        }
        
        .server-type-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .server-type-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            border: 1px solid #e2e8f0;
        }
        
        .server-type-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 60px rgba(0,0,0,0.15);
        }
        
        .type-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        
        .type-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        
        .server-type-card:hover .type-img img {
            transform: scale(1.05);
        }
        
        .type-body {
            padding: 30px 25px;
        }
        
        .type-link {
            color: #1877f2;
            text-decoration: none;
            font-size: 18px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 15px;
            transition: color 0.3s ease;
        }
        
        .type-link:hover {
            color: #0d47a1;
        }
        
        .type-desc {
            color: #4a5568;
            margin-bottom: 20px;
            line-height: 1.8;
            font-size: 15px;
        }
        
        .type-price {
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 18px;
            font-weight: 700;
        }
        
        /* 优势模块 */
        .section-advantage {
            background: #fff;
            padding: 100px 0;
        }
        
        .advantage-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .adv-title {
            font-size: 36px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #1e3a8a, #1877f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .adv-desc {
            color: #4a5568;
            text-align: center;
            margin-bottom: 60px;
            font-size: 18px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .adv-flex {
            display: flex;
            gap: 60px;
            align-items: center;
        }
        
        .adv-img {
            width: 45%;
            border-radius: 20px;
            box-shadow: 0 15px 50px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        
        .adv-img:hover {
            transform: scale(1.02);
        }
        
        .adv-list {
            flex: 1;
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            padding: 40px 35px;
            border: 1px solid #e2e8f0;
        }
        
        .adv-list ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .adv-list li {
            font-size: 17px;
            color: #4a5568;
            line-height: 2.2;
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
            padding: 10px 0;
            border-bottom: 1px solid #f7fafc;
        }
        
        .adv-list li:before {
            content: "🔐";
            font-size: 20px;
            margin-right: 15px;
            margin-top: 2px;
            flex-shrink: 0;
        }
        
        /* 四宫格优势 */
        .grid4-section {
            background: linear-gradient(135deg, #f8fbff 0%, #f0f8ff 100%);
            padding: 80px 0;
        }
        
        .grid4-wrap {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            padding: 0 20px;
        }
        
        .grid4-item {
            background: #fff;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .grid4-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        
        .grid4-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(24, 119, 242, 0.15);
        }
        
        .grid4-item:hover::before {
            transform: scaleX(1);
        }
        
        .grid4-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }
        
        .grid4-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 15px;
            color: #2d3748;
        }
        
        .grid4-desc {
            font-size: 15px;
            color: #4a5568;
            line-height: 1.8;
        }
        
        /* 全球部署区域 */
        .global-section {
            background: linear-gradient(135deg, #f7fafd 0%, #edf8ff 100%);
            padding: 100px 0;
        }
        
        .global-title {
            text-align: center;
            margin-bottom: 20px;
        }
        
        .global-title h2 {
            font-size: 36px;
            font-weight: 800;
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 15px;
        }
        
        .global-desc {
            font-size: 18px;
            color: #4a5568;
            max-width: 900px;
            margin: 0 auto 60px auto;
            text-align: center;
            line-height: 1.8;
            padding: 0 20px;
        }
        
        .global-cards {
            max-width: 1220px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            padding: 0 20px;
        }
        
        .global-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(90,150,220,0.1);
            padding: 35px 25px 30px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .global-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        
        .global-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(90,150,220,0.15);
        }
        
        .global-card:hover::before {
            transform: scaleX(1);
        }
        
        .global-card-title {
            font-weight: 700;
            color: #1877f2;
            font-size: 20px;
            margin-bottom: 20px;
        }
        
        .global-card-desc {
            color: #4a5568;
            font-size: 15px;
            margin-bottom: 25px;
            line-height: 1.8;
            text-align: left;
        }
        
        .global-card a {
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            color: #fff;
            font-weight: 600;
            border: none;
            border-radius: 25px;
            padding: 12px 0;
            width: 90%;
            font-size: 16px;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(24,119,242,0.3);
        }
        
        .global-card a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(24,119,242,0.4);
        }
        
        /* 对比表 */
        .compare-section {
            background: #fff;
            padding: 80px 0;
        }
        
        .compare-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 50px;
            background: linear-gradient(135deg, #1e3a8a, #1877f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .compare-table-wrap {
            overflow-x: auto;
            padding: 0 20px;
        }
        
        .compare-table {
            margin: 0 auto;
            width: 100%;
            max-width: 1200px;
            border-collapse: collapse;
            background: #fff;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .compare-table th,
        .compare-table td {
            border: 1px solid #e2e8f0;
            padding: 20px 15px;
            font-size: 15px;
            text-align: center;
        }
        
        .compare-table th {
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            color: #fff;
            font-weight: 700;
        }
        
        .compare-table tr:nth-child(even) {
            background: #f8fbff;
        }
        
        .compare-table tr:hover {
            background: #f0f8ff;
        }
        
        /* FAQ */
        .faq-section {
            background: linear-gradient(135deg, #f8fbff 0%, #f0f8ff 100%);
            padding: 100px 0;
        }
        
        .faq-title {
            font-size: 36px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 60px;
            background: linear-gradient(135deg, #1e3a8a, #1877f2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .faq-list {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            padding: 0 20px;
        }
        
        .faq-item {
            background: #fff;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            border-radius: 20px;
            padding: 30px 25px;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 50px rgba(0,0,0,0.12);
        }
        
        .faq-q {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 15px;
            color: #2d3748;
        }
        
        .faq-a {
            color: #4a5568;
            font-size: 15px;
            line-height: 1.8;
        }
        
        /* 底部 */
        .footer {
            background: linear-gradient(135deg, #1e3a8a 0%, #1877f2 100%);
            color: #cbd5e0;
            margin-top: 0;
        }
        
        .footer-wrap {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            padding: 60px 20px 30px 20px;
        }
        
        .footer-col {
            font-size: 14px;
        }
        
        .footer-title {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 20px;
            color: #fff;
        }
        
        .footer-col p {
            margin-bottom: 12px;
            line-height: 1.8;
        }
        
        .footer-col a {
            color: #90cdf4;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-col a:hover {
            color: #63b3ed;
        }
        
        .footer-tg {
            margin-top: 15px;
        }
        
        .footer-tg a {
            color: #90cdf4;
            font-weight: 600;
            font-size: 16px;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-tg a:hover {
            color: #63b3ed;
        }
        
        .footer-bottom {
            text-align: center;
            font-size: 14px;
            color: #a0aec0;
            border-top: 1px solid #4a5568;
            padding: 25px 0;
            margin-top: 20px;
        }
        
        /* 客服侧边栏 */
        .kefu-sidebar {
            position: fixed;
            top: 40%;
            right: 0;
            z-index: 9999;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .kefu-btn {
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #1877f2, #0d47a1);
            color: #fff;
            border-radius: 25px 0 0 25px;
            margin-bottom: 2px;
            box-shadow: 0 4px 20px rgba(24,119,242,0.3);
            min-width: 50px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            padding: 0;
            border: none;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        
        .kefu-btn:hover {
            box-shadow: 0 8px 30px rgba(24,119,242,0.4);
            transform: translateX(-5px);
        }
        
        .kefu-btn-icon {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            background: transparent;
        }
        
        .kefu-btn span {
            display: inline-block;
            color: #fff;
            padding: 0 20px 0 10px;
            font-size: 16px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .adv-flex {
                flex-direction: column;
                gap: 40px;
            }
            
            .adv-img {
                width: 100%;
                max-width: 500px;
                margin: 0 auto;
            }
        }
        
        @media (max-width: 900px) {
            .nav ul {
                display: none;
            }
            
            .header {
                flex-direction: column;
                padding: 60px 0 40px 0;
                text-align: center;
            }
            
            .header-left {
                max-width: 100%;
                padding-right: 0;
                margin-bottom: 40px;
            }
            
            .header-left h1 {
                font-size: 32px;
            }
            
            .tabs {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            
            .tab-btn {
                width: 100%;
                text-align: center;
            }
            
            .product-list {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            
            .server-type-cards {
                grid-template-columns: 1fr;
            }
            
            .global-cards {
                grid-template-columns: 1fr;
            }
            
            .faq-list {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 700px) {
            .kefu-sidebar {
                top: auto;
                bottom: 20px;
                right: 10px;
            }
            
            .kefu-btn span {
                padding: 0 12px 0 6px;
                font-size: 14px;
            }
            
            .kefu-btn-icon {
                width: 45px;
                height: 45px;
                font-size: 20px;
            }
        }
        
        @media (max-width: 600px) {
            .container {
                padding: 0 15px;
            }
            
            .header-left h1 {
                font-size: 28px;
            }
            
            .product-section h2,
            .server-type-title,
            .adv-title,
            .faq-title {
                font-size: 28px;
            }
            
            .global-cards {
                display: flex;
                flex-direction: column;
                gap: 20px;
            }
            
            .global-card {
                width: 100%;
                margin: 0;
            }
        }
        
        /* 滚动动画 */
        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate-on-scroll {
            opacity: 0;
            animation: slideInUp 0.6s ease forwards;
        }
        
        /* 渐变背景动画 */
        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .gradient-animate {
            background-size: 200% 200%;
            animation: gradientShift 6s ease infinite;
        }