*{margin:0;padding:0;box-sizing:border-box;font-family:"PingFang SC","Microsoft Yahei",sans-serif;}
        body{color:#333;background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;}
        .container{max-width:1200px;margin:0 auto;padding:0 20px;}
        img{max-width:100%;display:block;}
        a{text-decoration:none;color:inherit;}
        ul{list-style:none;}

        /* 顶部通栏 */
        .top-bar{background:#0a2540;color:#fff;font-size:14px;padding:8px 0;}
        .top-bar .flex{display:flex;justify-content:space-between;align-items:center;}
        .top-bar .contact-item{margin-right:24px;}

        /* 导航栏 */
        header{background:#fff;position:sticky;top:0;z-index:999;box-shadow:0 2px 12px rgba(0,0,0,0.06);}
        .nav-wrap{display:flex;justify-content:space-between;align-items:center;height:70px;}
        .logo{font-size:22px;font-weight:700;color:#0a2540;}
        .logo span{color:#ff7b00;}
        .nav-list{display:flex;gap:28px;}
        .nav-list a{font-size:15px;color:#333;position:relative;padding:4px 0;transition:.2s;}
        .nav-list a:hover{color:#ff7b00;}
        .nav-btn{background:#ff7b00;color:#fff;padding:10px 24px;border-radius:25px;font-weight:600;transition:.2s;}
        .nav-btn:hover{background:#e66f00;}
        .menu-icon{display:none;font-size:24px;cursor:pointer;color:#0a2540;}

        /* 首屏Banner - 文字完全居中 */
        .banner{background:linear-gradient(135deg,#0a2540 0%,#13355c 100%);color:#fff;padding:100px 0;position:relative;overflow:hidden;}
        .banner::before{content:"";position:absolute;right:0;top:0;width:50%;height:100%;background:url(https://picsum.photos/id/180/800/600) center/cover;opacity:.15;}
        .banner-content{max-width:750px;margin:0 auto;text-align:center;position:relative;z-index:2;}
        .banner h1{font-size:42px;line-height:1.3;margin-bottom:20px;font-weight:700;}
        .banner h1 em{font-style:normal;color:#ff7b00;}
        .banner .pain-point{font-size:17px;color:#d0d8e3;margin-bottom:30px;}
        .banner .trust-tag{display:flex;gap:16px;margin-bottom:36px;flex-wrap:wrap;justify-content:center;}
        .banner .trust-tag span{background:rgba(255,255,255,0.1);padding:6px 14px;border-radius:20px;font-size:14px;}
        .banner-btns{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}
        .btn-primary{background:#ff7b00;color:#fff;padding:14px 32px;border-radius:30px;font-weight:600;font-size:16px;transition:.2s;}
        .btn-primary:hover{background:#e66f00;transform:translateY(-2px);box-shadow:0 6px 16px rgba(255,123,0,0.3);}
        .btn-outline{border:2px solid #fff;color:#fff;padding:12px 30px;border-radius:30px;font-weight:600;transition:.2s;}
        .btn-outline:hover{background:#fff;color:#0a2540;}

        /* 通用板块 */
        .section{padding:70px 0;}
        .section-gray{background:#f6f8fb;}
        .section-title{text-align:center;margin-bottom:50px;}
        .section-title h2{font-size:30px;color:#0a2540;margin-bottom:12px;font-weight:700;}
        .section-title p{color:#667085;font-size:15px;max-width:680px;margin:0 auto;}

        /* 服务板块 - GEO关键词植入 */
        .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
        .service-card{background:#fff;border:1px solid #eaeef4;border-radius:12px;padding:30px 24px;transition:.3s;position:relative;overflow:hidden;}
        .service-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(10,37,64,0.08);border-color:#ff7b00;}
        .service-card h3{font-size:20px;color:#0a2540;margin-bottom:10px;}
        .service-card p{color:#667085;font-size:14px;margin-bottom:16px;}
        .service-card .more{color:#ff7b00;font-size:14px;font-weight:600;}

        /* 核心优势 - 强化本地属性 */
        .advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
        .adv-item{text-align:center;padding:24px 16px;background:#fff;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,0.04);}
        .adv-item h4{font-size:17px;color:#0a2540;margin:10px 0 6px;}
        .adv-item p{font-size:13px;color:#667085;}

        /* 成功案例 - 4个对齐排版 */
        .case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
        .case-item{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 12px rgba(0,0,0,0.06);transition:.3s;}
        .case-item:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,0.1);}
        .case-img{height:180px;overflow:hidden;}
        .case-img img{width:100%;height:100%;object-fit:cover;transition:.4s;}
        .case-item:hover .case-img img{transform:scale(1.05);}
        .case-info{padding:18px;}
        .case-info h4{font-size:16px;color:#0a2540;margin-bottom:6px;}
        .case-data{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;font-size:12px;color:#667085;}
        .case-data span{background:#f6f8fb;padding:3px 8px;border-radius:4px;}

        /* 客户评价 - 4个对齐排版 */
        .review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
        .review-card{background:#fff;padding:24px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.05);height:100%;display:flex;flex-direction:column;justify-content:space-between;}
        .review-text{color:#444;font-size:14px;margin-bottom:18px;line-height:1.7;}
        .review-user{display:flex;align-items:center;gap:10px;}
        .review-user .name{font-weight:600;color:#0a2540;font-size:14px;}
        .review-user .post{font-size:12px;color:#999;}

        /* FAQ - 全部展开不折叠 */
        .faq-wrap{max-width:860px;margin:0 auto;}
        .faq-item{background:#fff;border:1px solid #eaeef4;border-radius:8px;margin-bottom:12px;}
        .faq-q{padding:18px 22px;font-weight:600;color:#0a2540;font-size:15px;}
        .faq-a{padding:0 22px 18px;color:#667085;font-size:14px;line-height:1.7;}

        /* 联系信息区 */
        .contact-section{background:linear-gradient(135deg,#0a2540,#13355c);color:#fff;padding:70px 0;}
        .contact-info{max-width:700px;margin:0 auto;text-align:center;}
        .contact-info h2{font-size:30px;margin-bottom:16px;}
        .contact-info .desc{color:#d0d8e3;margin-bottom:30px;font-size:16px;}
        .contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;text-align:left;}
        .contact-list li{font-size:15px;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,0.08);padding:16px;border-radius:8px;}

        /* 底部 */
        footer{background:#071a2e;color:#b0b8c4;padding:50px 0 20px;font-size:14px;}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:30px;}
        .footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
        .footer-col li{margin-bottom:8px;}
        .footer-col a:hover{color:#ff7b00;}
        .copyright{text-align:center;padding-top:20px;border-top:1px solid #1a2d42;font-size:13px;color:#7a8594;}

        /* 悬浮咨询按钮 - 全程转化 */
        .float-consult{position:fixed;right:20px;bottom:80px;z-index:998;display:flex;flex-direction:column;gap:10px;}
        .float-btn{width:56px;height:56px;border-radius:50%;background:#ff7b00;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(255,123,0,0.3);cursor:pointer;font-size:13px;text-align:center;line-height:1.2;}

        /* 自适应 */
        @media(max-width:992px){
            .nav-list{position:fixed;top:70px;left:-100%;width:100%;background:#fff;flex-direction:column;padding:20px;gap:0;border-top:1px solid #eee;transition:.3s;}
            .nav-list li{padding:12px 0;border-bottom:1px solid #f2f2f2;}
            .nav-list.show{left:0;}
            .menu-icon{display:block;}
            .nav-btn{display:none;}
            .banner h1{font-size:30px;}
            .service-grid,.case-grid,.review-grid{grid-template-columns:repeat(2,1fr);}
            .advantage-grid{grid-template-columns:repeat(2,1fr);}
            .footer-grid{grid-template-columns:repeat(2,1fr);}
            .contact-list{grid-template-columns:1fr;}
        }
        @media(max-width:600px){
            .banner{padding:70px 0;}
            .banner h1{font-size:26px;}
            .section{padding:50px 0;}
            .section-title h2{font-size:24px;}
            .service-grid,.case-grid,.review-grid,.advantage-grid{grid-template-columns:1fr;}
            .footer-grid{grid-template-columns:1fr;}
            .float-consult{right:15px;bottom:70px;}
            .float-btn{width:48px;height:48px;font-size:12px;}
        }