* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
            margin: 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            background-attachment: fixed;
            line-height: 1.6;
            min-height: 100vh;
        }
        
        .top-bar {
            background: linear-gradient(90deg, #ff6b6b, #feca57);
            color: #fff;
            text-align: center;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(255,107,107,0.3);
        }
        
        .nav {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(238,238,238,0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }
        
        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }
        
        .nav .logo {
            font-size: 28px;
            font-weight: 900;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            line-height: 1.35;
            padding: 18px 0;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .nav ul {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
            flex-wrap: wrap;
        }
        
        .nav li {
            position: relative;
        }
        
        .nav a {
            color: #333;
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
        }
        
        .nav a:hover {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102,126,234,0.3);
        }
        
        .nav .btn-login {
            background: linear-gradient(45deg, #ff6b6b, #feca57);
            color: #fff;
            border: none;
            border-radius: 25px;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: bold;
            margin-left: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255,107,107,0.3);
        }
        
        .nav .btn-login:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255,107,107,0.4);
        }
        
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .header {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 50px 40px;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .header-left {
            flex: 1;
            max-width: 55%;
            padding-right: 30px;
        }
        
        .header-left h1 {
            font-size: 36px;
            margin: 0 0 20px 0;
            font-weight: 800;
            line-height: 1.3;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .header-left p {
            font-size: 16px;
            color: #555;
            margin: 0 0 20px 0;
            line-height: 1.7;
        }
        
        .header-left ul {
            margin: 25px 0 0 0;
            padding: 0;
            list-style: none;
        }
        
        .header-left ul li {
            margin-bottom: 12px;
            font-size: 15px;
            color: #666;
            padding-left: 25px;
            position: relative;
        }
        
        .header-left ul li:before {
            content: '🌏';
            font-size: 16px;
            position: absolute;
            left: 0;
            top: 0;
        }
        
        .header-left .cta-btn {
            margin-top: 25px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: #fff;
            border: none;
            font-size: 16px;
            font-weight: bold;
            padding: 14px 35px;
            border-radius: 30px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(102,126,234,0.3);
        }
        
        .header-left .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(102,126,234,0.4);
        }
        
        .header-right {
            flex: 0 0 40%;
            max-width: 40%;
        }
        
        .header-right img {
            width: 100%;
            max-width: 450px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
        }
        
        .header-right img:hover {
            transform: scale(1.05);
        }
        
        /* 产品套餐tab */
        .product-section {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            padding: 60px 40px 40px 40px;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .product-section h2 {
            text-align: center;
            font-size: 32px;
            margin-bottom: 15px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }
        
        .product-section p {
            text-align: center;
            color: #666;
            font-size: 16px;
            margin-bottom: 35px;
            line-height: 1.6;
        }
        
        .tabs {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 35px;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .tab-btn {
            font-size: 14px;
            font-weight: 600;
            padding: 10px 18px;
            border-radius: 25px;
            background: #f8f9fa;
            color: #666;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .tab-btn.active {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: #fff;
            border-color: #667eea;
            box-shadow: 0 4px 15px rgba(102,126,234,0.3);
        }
        
        .tab-btn:hover:not(.active) {
            background: #e9ecef;
            transform: translateY(-2px);
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease-in-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 子分类标签 */
        .sub-tabs {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 25px;
            gap: 10px;
            flex-wrap: wrap;
        }

        .sub-tab-btn {
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            background: #e9ecef;
            color: #666;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .sub-tab-btn.active {
            background: #667eea;
            color: #fff;
            border-color: #667eea;
        }

        .sub-tab-btn:hover:not(.active) {
            background: #dee2e6;
            transform: translateY(-1px);
        }

        .sub-tab-content {
            display: none;
        }

        .sub-tab-content.active {
            display: block;
        }
        
        .product-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
            gap: 25px;
            justify-content: center;
        }
        
        .product-card {
            background: #fff;
            border: 3px solid transparent;
            border-radius: 18px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            padding: 25px 20px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, #28a745, #20c997);
            transition: left 0.5s ease;
        }
        
        .product-card:hover::before {
            left: 0;
        }
        
        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            border-color: #28a745;
        }
        
        .product-card h3 {
            font-size: 18px;
            margin-bottom: 18px;
            color: #333;
            font-weight: 700;
        }
        
        .product-card .price {
            font-size: 28px;
            color: #28a745;
            font-weight: 800;
            margin-bottom: 5px;
        }
        
        .product-card .sub {
            font-size: 13px;
            color: #999;
            margin-bottom: 18px;
        }
        
        .product-card ul {
            list-style: none;
            padding: 0;
            font-size: 14px;
            margin: 18px 0 22px 0;
            text-align: left;
        }
        
        .product-card ul li {
            margin-bottom: 6px;
            padding-left: 18px;
            position: relative;
            color: #555;
        }
        
        .product-card ul li:before {
            content: '🌏';
            font-size: 12px;
            position: absolute;
            left: 0;
        }
        
        .product-card a {
            background: linear-gradient(45deg, #28a745, #20c997);
            color: #fff;
            border: none;
            border-radius: 22px;
            font-size: 15px;
            font-weight: bold;
            padding: 11px 25px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(40,167,69,0.3);
        }
        
        .product-card a:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(40,167,69,0.4);
        }
        
        /* 类型简介三卡片 */
        .server-type-section {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            padding: 60px 40px 40px 40px;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .server-type-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 15px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .server-type-desc {
            color: #666;
            text-align: center;
            margin-bottom: 35px;
            font-size: 16px;
            line-height: 1.6;
        }
        
        .server-type-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
            justify-content: center;
        }
        
        .server-type-card {
            background: #fff;
            border-radius: 18px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            overflow: hidden;
            margin-bottom: 25px;
            transition: all 0.3s ease;
        }
        
        .server-type-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        
        .type-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: transform 0.3s ease;
        }
        
        .server-type-card:hover .type-img img {
            transform: scale(1.1);
        }
        
        .type-body {
            padding: 22px 25px;
        }
        
        .type-link {
            color: #667eea;
            text-decoration: none;
            font-size: 17px;
            font-weight: 700;
            transition: color 0.3s ease;
        }
        
        .type-link:hover {
            color: #764ba2;
        }
        
        .type-desc {
            color: #555;
            margin-top: 12px;
            margin-bottom: 18px;
            line-height: 1.7;
            font-size: 14px;
        }
        
        .type-price {
            color: #28a745;
            font-size: 16px;
            font-weight: 700;
        }
        
        /* 服务器优势模块 */
        .section-advantage {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            padding: 60px 40px;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .adv-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 15px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .adv-desc {
            color: #666;
            text-align: center;
            margin-bottom: 35px;
            font-size: 16px;
            line-height: 1.6;
        }
        
        .adv-flex {
            display: flex;
            gap: 40px;
            align-items: center;
        }
        
        .adv-img {
            flex: 0 0 400px;
            width: 400px;
            border-radius: 18px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
        }
        
        .adv-img:hover {
            transform: scale(1.05);
        }
        
        .adv-list {
            background: #fff;
            border-radius: 18px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            padding: 35px;
            flex: 1;
        }
        
        .adv-list ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .adv-list li {
            font-size: 16px;
            color: #555;
            line-height: 2;
            display: flex;
            align-items: flex-start;
            margin-bottom: 8px;
            padding-left: 25px;
            position: relative;
        }
        
        .adv-list li:before {
            content: "🌏";
            font-size: 16px;
            position: absolute;
            left: 0;
            top: 2px;
        }
        
        /* 品牌模块 */
        .brand-section {
            background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
            color: #fff;
            padding: 60px 40px 40px 40px;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .brand-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 18px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .brand-desc {
            margin: 0 auto 25px auto;
            text-align: center;
            font-size: 16px;
            line-height: 1.8;
            text-shadow: 0 1px 2px rgba(0,0,0,0.2);
        }
        
        /* 四宫格优势 */
        .grid4-section {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            padding: 60px 40px 40px 40px;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .grid4-wrap {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 25px;
        }
        
        .grid4-item {
            background: #fff;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            border-radius: 18px;
            padding: 30px 25px 22px 25px;
            text-align: center;
            transition: all 0.3s ease;
            border: 3px solid transparent;
        }
        
        .grid4-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            border-color: #28a745;
        }
        
        .grid4-icon {
            font-size: 42px;
            margin-bottom: 12px;
        }
        
        .grid4-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #333;
        }
        
        .grid4-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.7;
        }
        
        /* 国家地图展示 */
        .countries-section {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            padding: 60px 40px;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .countries-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 35px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .countries-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        
        .country-item {
            background: #fff;
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
            border: 3px solid transparent;
            cursor: pointer;
        }
        
        .country-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            border-color: #28a745;
        }
        
        .country-flag {
            font-size: 48px;
            margin-bottom: 10px;
        }
        
        .country-name {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin-bottom: 5px;
        }
        
        .country-price {
            font-size: 14px;
            color: #28a745;
            font-weight: 600;
        }
        
        /* FAQ */
        .faq-section {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            padding: 60px 40px;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }
        
        .faq-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 35px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .faq-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 25px;
        }
        
        .faq-item {
            background: #fff;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            border-radius: 15px;
            padding: 25px 22px;
            transition: all 0.3s ease;
            border: 3px solid transparent;
        }
        
        .faq-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            border-color: #28a745;
        }
        
        .faq-q {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333;
        }
        
        .faq-a {
            color: #555;
            font-size: 14px;
            line-height: 1.7;
        }
        
        /* 底部 */
        .footer {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: #fff;
            margin: 20px 0;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
        }
        
        .footer-wrap {
            display: flex;
            justify-content: space-between;
            padding: 40px 40px 15px 40px;
            gap: 40px;
        }
        
        .footer-col {
            font-size: 14px;
            flex: 1;
            line-height: 1.7;
        }
        
        .footer-title {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
            color: #FFD700;
        }
        
        .footer-bottom {
            text-align: center;
            font-size: 13px;
            color: #bdc3c7;
            border-top: 1px solid #34495e;
            padding: 18px 0;
            margin: 0 40px;
        }
        
        .footer-tg {
            margin: 8px 0;
        }
        
        .footer-tg a {
            color: #3498db;
            font-weight: bold;
            font-size: 15px;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-tg a:hover {
            color: #2980b9;
        }
        
        .footer-col a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-col a:hover {
            color: #FFD700;
        }
        
        /* 客服侧边栏 */
        .kefu-sidebar {
            position: fixed;
            top: 35%;
            right: 0;
            z-index: 9999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .kefu-btn {
            display: flex;
            align-items: center;
            background: linear-gradient(45deg, #28a745, #20c997);
            color: #fff;
            border-radius: 30px 0 0 30px;
            margin-bottom: 5px;
            box-shadow: 0 6px 20px rgba(40,167,69,0.4);
            min-width: 60px;
            cursor: pointer;
            font-size: 16px;
            font-weight: bold;
            padding: 0;
            border: none;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        
        .kefu-btn:hover {
            box-shadow: 0 8px 25px rgba(40,167,69,0.5);
            transform: translateX(-8px);
        }
        
        .kefu-btn-icon {
            width: 60px;
            height: 60px;
            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 22px 0 10px;
            font-size: 16px;
            white-space: nowrap;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .adv-flex {
                flex-direction: column;
                gap: 25px;
            }
            
            .adv-img {
                flex: none;
                width: 100%;
                max-width: 400px;
            }
            
            .faq-list {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 900px) {
            .header {
                flex-direction: column;
                padding: 35px 25px;
                text-align: center;
            }
            
            .header-left {
                max-width: 100%;
                padding-right: 0;
                margin-bottom: 25px;
            }
            
            .header-right {
                max-width: 100%;
                flex: none;
            }
            
            .nav ul {
                display: none;
            }
            
            .nav-inner {
                justify-content: space-between;
            }
            
            .footer-wrap {
                flex-direction: column;
                gap: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .main-container {
                padding: 0 15px;
            }
            
            .product-section,
            .server-type-section,
            .section-advantage,
            .brand-section,
            .grid4-section,
            .countries-section,
            .faq-section,
            .footer {
                padding: 40px 25px;
                margin: 15px 0;
            }
            
            .header {
                padding: 30px 20px;
            }
            
            .kefu-sidebar {
                top: auto;
                bottom: 15px;
                right: 8px;
            }
            
            .kefu-btn span {
                padding: 0 15px 0 8px;
                font-size: 14px;
            }
            
            .kefu-btn-icon {
                width: 50px;
                height: 50px;
                font-size: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .header-left h1 {
                font-size: 26px;
            }
            
            .product-section h2,
            .server-type-title,
            .adv-title,
            .brand-title,
            .countries-title,
            .faq-title {
                font-size: 24px;
            }
            
            .nav .logo {
                font-size: 22px;
            }
        }
    

.kefu-btn-icon{background:transparent!important;border-radius:0!important;overflow:visible!important;}
.kefu-btn-icon img{width:30px;height:30px;display:block;object-fit:contain;background:transparent!important;}
.kefu-sidebar .kefu-btn{gap:10px;align-items:center;text-decoration:none;}
.kefu-sidebar .kefu-btn span{white-space:nowrap;}
.kefu-btn-link{color:#3498db;text-decoration:none;font-weight:700;}