*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:#333;line-height:1.7;background:#fff;font-size:15px}
img{max-width:100%;display:block}
a{text-decoration:none;color:#333}
.wrap{max-width:1200px;margin:0 auto;padding:0 15px}
.topbar{background:#12263e;color:#cfe0f5;font-size:13px;padding:6px 0}
.topbar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap}
.topbar b{color:#ffb84d}
header{background:#fff;border-bottom:3px solid #12263e}
header .wrap{display:flex;justify-content:space-between;align-items:center;padding:14px 15px;flex-wrap:wrap}
.logo{font-size:23px;font-weight:700;color:#12263e}
.logo span{color:#e8721a;font-size:14px;display:block;font-weight:400;letter-spacing:1px}
.tel{text-align:right;color:#e8721a;font-weight:700;font-size:20px}
.tel small{display:block;color:#999;font-size:12px;font-weight:400}
nav{background:#12263e}
nav ul{display:flex;list-style:none;flex-wrap:wrap}
nav a{color:#fff;padding:13px 24px;display:block;font-size:16px}
nav a:hover,nav a.on{background:#e8721a}
.menu-btn{display:none;background:#12263e;color:#fff;border:0;font-size:16px;padding:12px;width:100%;text-align:left;cursor:pointer}
.banner{position:relative;overflow:hidden;background:#0a1a2c}
.banner img{width:100%;max-height:460px;object-fit:cover;opacity:.85}
.banner .txt{position:absolute;left:0;right:0;top:0;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#fff;text-align:center;padding:0 15px}
.banner .txt h1{font-size:34px;text-shadow:0 2px 8px rgba(0,0,0,.5);letter-spacing:2px}
.banner .txt p{margin-top:12px;font-size:17px;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.sub-banner{background:linear-gradient(120deg,#12263e,#1f4a7a);color:#fff;padding:40px 0}
.sub-banner h1{font-size:30px}
.sub-banner p{font-size:14px;color:#cfe0f5;margin-top:6px}
.crumb{font-size:13px;color:#999;padding:12px 0;border-bottom:1px solid #eee}
.crumb a{color:#12263e}
.sec{padding:44px 0}
.sec.gray{background:#f6f8fb}
.sec-h{text-align:center;margin-bottom:30px}
.sec-h h2{font-size:28px;color:#12263e}
.sec-h h2:after{content:"";display:block;width:56px;height:3px;background:#e8721a;margin:10px auto 0}
.sec-h p{color:#999;font-size:14px;margin-top:8px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{background:#fff;border:1px solid #e8ecf1;border-radius:4px;overflow:hidden;transition:box-shadow .25s}
.card:hover{box-shadow:0 6px 18px rgba(0,0,0,.1)}
.card img{width:100%;height:220px;object-fit:cover;background:#f0f2f5}
.card .bd{padding:16px}
.card h3{font-size:17px;color:#12263e;margin-bottom:8px}
.card p{font-size:14px;color:#666}
.more{display:inline-block;margin-top:10px;color:#e8721a;font-size:14px}
.about{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.about img{border-radius:4px;width:100%}
.about h3{font-size:24px;color:#12263e;margin-bottom:14px}
.about p{margin-bottom:10px;color:#555;text-indent:2em}
.list{background:#fff}
.list li{list-style:none;border-bottom:1px dashed #e0e5ec;padding:14px 6px;display:flex;justify-content:space-between;gap:14px}
.list li a:hover{color:#e8721a}
.list .date{color:#999;font-size:13px;white-space:nowrap}
table.spec{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px;background:#fff}
table.spec th,table.spec td{border:1px solid #dde3ea;padding:9px 12px;text-align:center}
table.spec th{background:#12263e;color:#fff;font-weight:400}
table.spec tr:nth-child(even){background:#f6f8fb}
.article{background:#fff;padding:10px 4px}
.article h3{color:#12263e;font-size:20px;margin:24px 0 8px}
.article p{margin-bottom:12px;color:#444;text-indent:2em}
.article ul{margin:0 0 12px 2em;color:#444}
footer{background:#101f33;color:#9fb2cd;margin-top:50px}
footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px;padding:38px 0 26px}
footer h4{color:#fff;font-size:16px;margin-bottom:12px}
footer a{color:#9fb2cd;display:block;font-size:14px;padding:3px 0}
footer a:hover{color:#ffb84d}
.copy{border-top:1px solid #23405f;text-align:center;padding:14px;font-size:13px}
.copy a{display:inline;color:#9fb2cd}
.fixed-tel{position:fixed;right:14px;bottom:90px;background:#e8721a;color:#fff;padding:12px 18px;border-radius:30px;font-weight:700;box-shadow:0 4px 12px rgba(0,0,0,.25);z-index:99;font-size:14px}
@media(max-width:768px){
 .menu-btn{display:block}
 nav ul{display:none;flex-direction:column}
 nav ul.show{display:flex}
 nav a{padding:11px 16px;border-top:1px solid #25456b}
 .about{grid-template-columns:1fr}
 .banner .txt h1{font-size:22px}
 .sub-banner h1{font-size:22px}
 .tel{font-size:16px}
}