body {font-family:'微软雅黑',Arial,sans-serif;margin:0;background:#fff;}
        .top-bar {background:#ff7b7b;color:#fff;text-align:center;padding:8px 0;font-size:15px;width:100%;}
        .nav {background:#fff;border-bottom:1px solid #eee;width:100%;}
        .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;color:#282828;letter-spacing:3px;line-height:1.35;padding:22px 0;}
        .nav ul {display:flex;list-style:none;margin:0;padding:0;}
        .nav li {margin:0 19px;}
        .nav a {color:#222;text-decoration:none;font-size:17px;}
        .nav .btn-login {background:#7a5cfa;color:#fff;border:none;border-radius:7px;padding:10px 32px;font-size:16px;margin-left:26px;}
        .container {max-width:1280px;margin:0 auto;}
        .header {background:#fff;display:flex;justify-content:space-between;align-items:center;padding:50px 0 30px 0;}
        .header-left {max-width:48%;}
        .header-left h1 {font-size:39px;margin:0 0 16px 0;font-weight:800;line-height:1.21;}
        .header-left p {font-size:18px;color:#222;margin:0 0 16px 0;}
        .header-left ul {margin:28px 0 0 0;padding:0;list-style:none;}
        .header-left ul li {margin-bottom:13px;font-size:16px;color:#454545;}
        .header-left ul li:before {content:'✔';color:#ff7b7b;margin-right:9px;}
        .header-left .cta-btn {margin-top:28px;background:#ff7b7b;color:#fff;border:none;font-size:19px;padding:13px 38px;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block;}
        .header-right img {width:470px;max-width:95%;border-radius:14px;}
        /* 产品套餐tab */
        .product-section {background:#fff;padding:60px 0 30px 0;}
        .product-section h2 {text-align:center;font-size:28px;margin-bottom:8px;}
        .product-section p {text-align:center;color:#555;margin-bottom:36px;}
        .tabs {display:flex;justify-content:center;align-items:center;margin-bottom:22px;gap:18px;}
        .tab-btn {font-size:18px;padding:13px 36px;border-radius:8px;background:#f6f6f9;color:#444;border:none;cursor:pointer;font-weight:600;}
        .tab-btn.active {background:#ff7b7b;color:#fff;}
        .tab-content {display:none;}
        .tab-content.active {display:block;}
        .product-list {display:flex;flex-wrap:wrap;gap:30px;justify-content:center;}
        .product-card {background:#fff;border:2px solid #ff7b7b;border-radius:14px;box-shadow:0 3px 18px rgba(255,123,123,0.07);padding:30px 22px;width:255px;text-align:center;}
        .product-card h3 {font-size:19px;margin-bottom:14px;}
        .product-card .price {font-size:27px;color:#ff7b7b;font-weight:700;}
        .product-card .sub {font-size:13px;color:#888;}
        .product-card ul {list-style:none;padding:0;font-size:14px;margin:18px 0 19px 0;text-align:left;}
        .product-card ul li {margin-bottom:5px;}
        .product-card a {background:#ff7b7b;color:#fff;border:none;border-radius:7px;font-size:16px;padding:9px 22px;cursor:pointer;text-decoration:none;display:inline-block;}
        /* 类型简介三卡片 */
        .server-type-section{background:#fff;padding:60px 0 30px 0;}
        .server-type-title{font-size:29px;font-weight:800;text-align:center;margin-bottom:10px;}
        .server-type-desc{color:#444;text-align:center;margin-bottom:32px;}
        .server-type-cards{display:flex;justify-content:center;gap:36px;flex-wrap:wrap;}
        .server-type-card{background:#fff;border-radius:15px;box-shadow:0 4px 24px #f0f1f6;width:360px;overflow:hidden;margin-bottom:32px;}
        .type-img img{width:100%;height:210px;object-fit:cover;display:block;}
        .type-body{padding:18px 21px 17px 21px;}
        .type-link{color:#725cfa;text-decoration:none;font-size:17px;font-weight:700;}
        .type-desc{color:#333;margin-top:12px;margin-bottom:16px;line-height:1.8;font-size:15px;}
        .type-price{color:#ff7b7b;font-size:16px;font-weight:700;}
        /* 服务器优势模块 */
        .section-advantage {background:#fff;padding:60px 0;}
        .advantage-inner{max-width:1200px;margin:0 auto;}
        .adv-title{font-size:29px;font-weight:800;text-align:center;margin-bottom:8px;}
        .adv-desc{color:#444;text-align:center;margin-bottom:25px;}
        .adv-flex{display:flex;gap:40px;align-items:center;}
        .adv-img{width:450px;min-width:310px;border-radius:13px;}
        .adv-list{background:#fff;border-radius:14px;box-shadow:0 6px 28px #f5f5fa;padding:33px 33px;flex:1;}
        .adv-list ul{list-style:none;padding:0;margin:0;}
        .adv-list li{font-size:17px;color:#333;line-height:2.1;display:flex;align-items:flex-start;}
        .adv-list li:before{content:"\2611";color:#668cff;font-size:21px;margin-right:11px;line-height:1;}
        /* 品牌模块 */
        .brand-section{background:#e7f1fa;padding:65px 0 35px 0;}
        .brand-title{font-size:27px;font-weight:800;text-align:center;margin-bottom:12px;}
        .brand-desc{max-width:1100px;margin:0 auto 28px auto;text-align:center;font-size:18px;color:#333;line-height:2;}
        /* 四宫格优势 */
        .grid4-section{background:#fff;padding:40px 0 32px 0;}
        .grid4-wrap{max-width:1200px;margin:auto;display:flex;justify-content:space-between;gap:35px;}
        .grid4-item{flex:1;background:#fff;box-shadow:0 4px 24px #f2f5f7;border-radius:16px;padding:28px 25px 18px 25px;text-align:left;}
        .grid4-icon{font-size:42px;margin-bottom:9px;color:#7a5cfa;}
        .grid4-title{font-size:17px;font-weight:700;margin-bottom:10px;}
        .grid4-desc{font-size:15px;color:#444;line-height:1.7;}
        /* 类型对比表 */
        .compare-section{background:#fff;padding:48px 0;}
        .compare-title{font-size:28px;font-weight:800;text-align:center;}
        .compare-table-wrap{overflow-x:auto;}
        .compare-table{margin:24px auto 0 auto;width:95%;max-width:1200px;border-collapse:collapse;background:#fff;}
        .compare-table th,.compare-table td{border:1px solid #ececec;padding:14px 12px;font-size:15px;}
        .compare-table th{background:#f6f8fa;font-weight:700;text-align:center;}
        .compare-table td{text-align:center;}
        /* FAQ */
        .faq-section{background:#fff;padding:48px 0;}
        .faq-title{font-size:28px;font-weight:800;text-align:center;margin-bottom:30px;}
        .faq-list{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:24px;}
        .faq-item{background:#fff;box-shadow:0 4px 18px #f4f4fa;border-radius:15px;padding:25px 22px;}
        .faq-q{font-size:17px;font-weight:600;margin-bottom:8px;}
        .faq-a{color:#333;font-size:15px;}
        /* 底部 */
        .footer {background:#fff;border-top:1px solid #efefef;margin-top:32px;width:100vw;box-sizing:border-box;}
        .footer-wrap {max-width:1280px;margin:auto;display:flex;flex-wrap:wrap;justify-content:space-between;padding:38px 0 12px 0;}
        .footer-col {font-size:14px;min-width:235px;margin-bottom:16px;}
        .footer-title {font-weight:700;font-size:17px;margin-bottom:10px;}
        .footer-bottom {text-align:center;font-size:14px;color:#aaa;border-top:1px solid #eee;padding:10px 0 20px 0;}
        .footer-tg {margin-top:8px;}
        .footer-tg a {color:#007bfa;font-weight:bold;font-size:16px;text-decoration:underline;}
        @media (max-width:1200px) {.adv-img{width:320px;}.adv-flex{flex-direction:column;gap:19px;}.grid4-wrap{flex-direction:column;gap:26px;}.faq-list{grid-template-columns:1fr;}}
        @media (max-width:1050px) {.nav-inner{padding:0 8px;}.container{padding:0 8px;}}
        @media (max-width:900px) {.header{flex-direction:column;padding:24px 0;}.header-left{max-width:100%;}.header-right{margin-top:22px;}.product-list{flex-direction:column;align-items:center;}.server-type-cards{flex-direction:column;align-items:center;}}
        @media (max-width:700px) {.faq-list{grid-template-columns:1fr;}.adv-flex{flex-direction:column;}.footer-wrap{flex-direction:column;}.grid4-wrap{flex-direction:column;}}
        @media (max-width:480px) {.header{padding:9px 0;}.footer-wrap{padding:6px 0;}.product-card,.server-type-card{width:98%;}}