*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft YaHei",PingFang SC,Helvetica Neue,sans-serif}
        html,body{width:100%;overflow-x:hidden;background:#f5f7fa}
        img{max-width:100%;display:block;border:none}
        a{text-decoration:none;color:inherit}
        ul,li{list-style:none}
        .container{max-width:1200px;margin:0 auto;padding:0 18px}
        .section{padding:70px 0}
        .section-title{text-align:center;margin-bottom:50px}
        .section-title h2{font-size:34px;color:#222;margin-bottom:12px;position:relative;display:inline-block}
        .section-title h2::after{content:"";width:50%;height:3px;background:#e53935;position:absolute;bottom:-8px;left:25%}
        .section-title p{font-size:16px;color:#666;max-width:750px;margin:12px auto 0;line-height:1.7}
        .btn{display:inline-block;padding:14px 36px;background:#e53935;color:#fff;border-radius:50px;font-size:16px;font-weight:500;transition:.3s}
        .btn:hover{background:#c62828}
        .phone-btn{display:inline-block;padding:16px 40px;background:#ff3a3a;color:#fff;border-radius:50px;font-size:18px;font-weight:bold;box-shadow:0 5px 15px rgba(255,58,58,.3)}

        /* 服务图标样式 */
        .icon{font-size:38px;color:#e53935;margin-bottom:15px;display:inline-block}

        /* 头部 */
        .header{position:fixed;top:0;left:0;width:100%;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.08);z-index:999}
        .header-wrap{display:flex;justify-content:space-between;align-items:center;height:80px}
        .logo{font-size:26px;font-weight:bold;color:#e53935}
        .nav ul{display:flex}
        .nav ul li{padding:0 22px;font-size:16px;color:#333}
        .nav ul li.active{color:#e53935;font-weight:bold}
        .menu-btn{display:none;font-size:26px;color:#e53935}

        /* banner */
        .banner{margin-top:80px;padding:120px 0;background:#111;position:relative;color:#fff;text-align:center}
        .banner::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);background-image:linear-gradient(rgba(0,0,0,0.7),rgba(0,0,0,0.7))}
        .banner .container{position:relative;z-index:2}
        .banner h1{font-size:46px;margin-bottom:20px;text-shadow:0 2px 5px rgba(0,0,0,.3)}
        .banner p{font-size:20px;opacity:.95;margin-bottom:35px;line-height:1.8}
        .banner .tel{font-size:32px;font-weight:bold;color:#ff3a3a;margin:20px 0}

        /* 服务项目 + 图标 */
        .service{background:#fff}
        .service-list{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
        .service-item{background:#f8f9fa;padding:35px 25px;border-radius:14px;text-align:center;transition:.3s}
        .service-item:hover{transform:translateY(-6px);background:#fff3f3}
        .service-item h3{font-size:20px;color:#222;margin:15px 0 10px}
        .service-item p{font-size:14px;color:#666;line-height:1.6}

        /* 救援优势 */
        .advantage{background:#f5f7fa}
        .adv-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
        .adv-item{padding:20px}
        .adv-item h3{font-size:18px;color:#e53935;margin-bottom:10px}
        .adv-item p{font-size:14px;color:#666}

        /* 救援流程 */
        .process{background:#fff}
        .process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
        .process-item{text-align:center;position:relative}
        .process-num{width:50px;height:50px;background:#e53935;color:#fff;border-radius:50%;line-height:50px;margin:0 auto 15px;font-size:18px;font-weight:bold}
        .process-item h4{font-size:17px;margin-bottom:8px}
        .process-item p{font-size:13px;color:#666}

        /* 新闻资讯 */
        .news{background:#f5f7fa}
        .news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
        .news-item{background:#fff;border-radius:12px;padding:25px;box-shadow:0 3px 12px rgba(0,0,0,.04);transition:.3s}
        .news-item:hover{transform:translateY(-5px)}
        .news-item h3{font-size:17px;margin-bottom:12px;line-height:1.6;color:#222}
        .news-item p{font-size:13px;color:#666;line-height:1.7}
        .news-meta{font-size:12px;color:#999;margin-top:10px}

        /* 紧急救援 */
        .emergency{background:linear-gradient(135deg,#e53935,#c62828);color:#fff;text-align:center;padding:80px 0}
        .emergency h2{font-size:36px;margin-bottom:15px}
        .emergency p{font-size:18px;opacity:.95;margin-bottom:25px}

        /* 覆盖区域 */
        .area{background:#f5f7fa}
        .area-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
        .area-item{padding:10px 20px;background:#fff;border-radius:8px;color:#333;font-size:15px;box-shadow:0 2px 8px rgba(0,0,0,.05)}

        /* 页脚 */
        .footer{background:#222;color:#fff;padding:60px 0 25px}
        .footer-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:40px}
        .footer-col h3{font-size:18px;margin-bottom:20px;padding-bottom:10px;border-bottom:1px solid #444}
        .footer-col li{margin-bottom:10px;font-size:14px;color:#ccc}
        .footer-col p{font-size:14px;color:#ccc;line-height:1.7}
        .copyright{text-align:center;padding-top:20px;border-top:1px solid #444;color:#999;font-size:14px}

        /* 自适应 */
        @media(max-width:1200px){.container{width:100%}}
        @media(max-width:992px){.service-list,.adv-list,.process-list,.footer-wrap,.news-list{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.nav{display:none}.menu-btn{display:block}.banner h1{font-size:32px}.banner .tel{font-size:24px}.service-list,.adv-list,.process-list,.footer-wrap,.news-list{grid-template-columns:1fr}}