*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#1c2733;line-height:1.7;background:#f5f7fa}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 18px}
img{max-width:100%}
/* header */
.hdr{background:#0d2c54;position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.hdr-in{display:flex;align-items:center;gap:18px;height:64px}
.logo{color:#fff;font-size:22px;font-weight:800;display:flex;flex-direction:column;line-height:1.1}
.logo small{font-size:11px;font-weight:400;color:#7fb3ff;letter-spacing:1px}
.nav{flex:1}
.nav ul{display:flex;gap:4px;justify-content:center;list-style:none;flex-wrap:wrap}
.nav a{color:#dce6f5;padding:8px 12px;border-radius:6px;font-size:15px;display:block}
.nav a:hover{background:#1b4078;color:#fff}
.tel-btn{background:#ff7a18;color:#fff;padding:9px 16px;border-radius:30px;font-weight:700;white-space:nowrap}
.burger{display:none;color:#fff;font-size:26px;cursor:pointer}
/* hero */
.hero{background:linear-gradient(120deg,#0d2c54,#1b4f8f);color:#fff;padding:70px 0}
.hero h1{font-size:40px;line-height:1.25;margin-bottom:16px}
.hero p.lead{font-size:19px;color:#cfe0f5;max-width:780px;margin-bottom:24px}
.tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.tags span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:20px;font-size:14px}
.btn{display:inline-block;background:#ff7a18;color:#fff;padding:13px 28px;border-radius:30px;font-weight:700;font-size:17px;margin:4px 8px 4px 0}
.btn:hover{background:#e96a0c}
.btn.ghost{background:transparent;border:2px solid #fff}
/* sections */
section{padding:54px 0}
h2.sec{font-size:30px;text-align:center;margin-bottom:8px}
.sub{text-align:center;color:#6a7a8c;margin-bottom:34px}
.grid{display:grid;gap:20px}
.g5{grid-template-columns:repeat(5,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border-radius:12px;padding:26px;box-shadow:0 4px 18px rgba(13,44,84,.06);transition:.2s;border:1px solid #eef2f7}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(13,44,84,.12)}
.card h3{font-size:20px;margin-bottom:10px;color:#0d2c54}
.card .ico{font-size:34px;margin-bottom:10px}
.card ul{margin:12px 0 0 18px;color:#52606d;font-size:14px}
.card a.more{color:#1b6fd6;font-weight:600;font-size:14px;display:inline-block;margin-top:12px}
/* cta */
.cta{background:#0d2c54;color:#fff;text-align:center}
.cta h2{font-size:28px;margin-bottom:8px}
.cta p{color:#bcd0ea;margin-bottom:22px}
/* content page */
.page-head{background:#1b4f8f;color:#fff;padding:46px 0}
.page-head h1{font-size:34px}
.crumb{color:#cfe0f5;font-size:14px;margin-top:8px}
.body-md{background:#fff;border-radius:12px;padding:36px;box-shadow:0 4px 18px rgba(13,44,84,.06);margin-top:-30px;position:relative}
.body-md h2{font-size:24px;color:#0d2c54;margin:26px 0 12px}
.body-md h3{font-size:19px;margin:20px 0 8px;color:#1b4f8f}
.body-md p{margin-bottom:14px}
.body-md ul{margin:0 0 16px 22px}
.body-md li{margin-bottom:6px}
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0}
.statbar div{background:#fff;border-radius:10px;text-align:center;padding:22px 8px;box-shadow:0 4px 14px rgba(13,44,84,.06)}
.statbar b{display:block;font-size:30px;color:#ff7a18}
.statbar span{color:#6a7a8c;font-size:14px}
.citylist{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.citylist a{background:#fff;border-radius:10px;padding:18px;box-shadow:0 4px 14px rgba(13,44,84,.06);font-weight:600;color:#0d2c54;text-align:center;border:1px solid #eef2f7}
.citylist a:hover{background:#0d2c54;color:#fff}
.citylist a small{display:block;font-weight:400;color:#90a0b3;font-size:12px;margin-top:4px}
.citylist a:hover small{color:#9fc0ea}
.citygrp{background:#fff;border-radius:10px;padding:18px 20px;margin-bottom:14px;box-shadow:0 3px 12px rgba(13,44,84,.05);border:1px solid #eef2f7}
.citygrp h3{color:#0d2c54;font-size:18px;margin-bottom:10px;border-left:4px solid #ff7a18;padding-left:10px}
.dlist{display:flex;flex-wrap:wrap;gap:8px}
.dlist a{background:#f0f4f9;color:#1b4f8f;padding:5px 12px;border-radius:16px;font-size:14px}
.dlist a:hover{background:#0d2c54;color:#fff}
/* footer */
.ftr{background:#0a2342;color:#aebfd4;padding:44px 0 0;font-size:14px}
.ftr-cols{display:grid;grid-template-columns:2fr 1fr;gap:30px;padding-bottom:24px}
.ftr h4{color:#fff;margin-bottom:10px;font-size:16px}
.ftr a{color:#aebfd4}.ftr a:hover{color:#fff}
.ftr-cities{border-top:1px solid #1d3a5f;padding:16px 0;font-size:13px;line-height:2}
.ftr-bar{border-top:1px solid #1d3a5f;padding:16px 0;text-align:center;color:#7a8aa0}
.float-tel{display:none}
/* mobile */
@media(max-width:900px){
 .nav{position:fixed;top:64px;left:0;right:0;background:#0d2c54;display:none}
 body.mopen .nav{display:block}
 .nav ul{flex-direction:column}
 .burger{display:block}
 .tel-btn{display:none}
 .g5,.g4,.g3,.g2,.statbar,.citylist{grid-template-columns:1fr 1fr}
 .ftr-cols{grid-template-columns:1fr}
 .hero h1{font-size:30px}
 .float-tel{display:block;position:fixed;bottom:0;left:0;right:0;background:#ff7a18;color:#fff;text-align:center;padding:14px;font-weight:700;z-index:60}
 body{padding-bottom:52px}
}
@media(max-width:520px){.g5,.g4,.g3,.g2,.statbar,.citylist{grid-template-columns:1fr}}
/* 资质轮播 */
.carousel{background:#eef3f9}
.cwin{position:relative;height:420px;border-radius:14px;overflow:hidden;box-shadow:0 8px 30px rgba(13,44,84,.14);background:#0d2c54}
.cwin .slide{position:absolute;inset:0;opacity:0;transition:opacity .6s;display:flex;align-items:center;justify-content:center}
.cwin .slide.on{opacity:1}
.cwin .slide img{max-width:100%;max-height:100%;object-fit:contain}
.cwin .slide span{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;padding:24px 18px 16px;font-size:16px;text-align:center}
.cdots{text-align:center;margin-top:16px}
.cdots i{display:inline-block;width:11px;height:11px;border-radius:50%;background:#b8c6d8;margin:0 5px;cursor:pointer}
.cdots i.on{background:#ff7a18;width:26px;border-radius:6px}
/* 资质页网格 */
.zgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.zgrid figure{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 18px rgba(13,44,84,.08);border:1px solid #eef2f7}
.zgrid img{width:100%;height:240px;object-fit:contain;background:#0d2c54;padding:8px}
.zgrid figcaption{padding:14px 16px;font-size:15px;color:#0d2c54;font-weight:600;text-align:center}
/* 预约表单 */
.bookform{background:#0d2c54}
.bf-box{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.bf-info{color:#fff}
.bf-info h2{font-size:26px;margin-bottom:12px}
.bf-info p{color:#cfe0f5;margin-bottom:10px}
.bf-info .bf-tel{font-size:20px}.bf-info .bf-tel a{color:#ff9a4d;font-weight:700}
.bf-info ul{list-style:none;margin-top:14px}.bf-info li{color:#bcd0ea;margin-bottom:6px}
.bf-form{background:#fff;border-radius:14px;padding:26px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.bf-form input,.bf-form select,.bf-form textarea{width:100%;border:1px solid #d6dee8;border-radius:8px;padding:12px 14px;margin-bottom:12px;font-size:15px;font-family:inherit}
.bf-form button{width:100%;background:#ff7a18;color:#fff;border:0;border-radius:8px;padding:14px;font-size:17px;font-weight:700;cursor:pointer}
.bf-form button:hover{background:#e96a0c}
.bf-tip{font-size:12px;color:#90a0b3;text-align:center;margin:8px 0 0}
/* 悬浮三按钮 */
.fab{position:fixed;right:16px;bottom:90px;z-index:80;display:flex;flex-direction:column;gap:10px}
.fab-btn{width:62px;height:62px;border-radius:14px;background:#0d2c54;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);cursor:pointer;position:relative;text-align:center}
.fab-btn i{font-size:20px;font-style:normal;line-height:1}
.fab-btn b{font-size:11px;font-weight:600;line-height:1.15;margin-top:3px}
.fab-tel{background:#ff7a18}
.fab-wx{background:#1aad19}
.fab-pop{position:absolute;right:72px;bottom:0;width:170px;background:#fff;color:#1c2733;border-radius:10px;padding:12px;box-shadow:0 8px 24px rgba(0,0,0,.2);display:none;text-align:center}
.fab-wx.show .fab-pop{display:block}
.fab-pop img{width:140px;height:140px;object-fit:contain}
.fab-pop p{font-size:13px;line-height:1.5;margin-top:6px}
.float-tel{display:none}
@media(max-width:900px){
 .cwin{height:300px}
 .zgrid{grid-template-columns:1fr 1fr}
 .bf-box{grid-template-columns:1fr}
 .fab{bottom:16px;right:10px}
 .fab-btn{width:54px;height:54px}
}
@media(max-width:520px){.zgrid{grid-template-columns:1fr}}