:root{--ink:#16202c;--sub:#5d6b7a;--line:#e3e8ee;--bg:#f5f7fa;--pri:#1b5faa;--pri-d:#14497f}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
.wrap{max-width:1150px;margin:0 auto;padding:0 20px}
a{color:inherit}
.hd{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 2px 14px rgba(20,40,70,.07)}
.hd-in{display:flex;align-items:center;gap:26px;height:74px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:19px;letter-spacing:.2px}
.logo-mark{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--pri),#3f9ad6);display:inline-block}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:9px 14px;border-radius:8px;text-decoration:none;color:#33465c;font-size:15px}
.nav a:hover{background:var(--bg)}
.nav a.on{background:var(--pri);color:#fff}
.hd-tel{font-size:15px;color:var(--pri);font-weight:600;white-space:nowrap}
.hero{background:linear-gradient(120deg,#0f3d6e,#1b5faa 55%,#3f9ad6);color:#fff;padding:86px 0 76px}
.hero h1{margin:0 0 18px;font-size:40px;line-height:1.3;font-weight:800;max-width:900px}
.hero .sub{margin:0 0 30px;font-size:18px;opacity:.92;max-width:720px}
.btn{display:inline-block;padding:12px 26px;border-radius:10px;text-decoration:none;font-size:15px}
.btn.primary{background:#fff;color:var(--pri-d);font-weight:600}
.btn.ghost{border:1px solid rgba(255,255,255,.7);color:#fff;margin-left:12px}
.sec{padding:58px 0}
.band{background:var(--bg)}
.sec-hd{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:26px;border-bottom:1px solid var(--line);padding-bottom:14px}
.sec-hd h2{margin:0;font-size:26px;position:relative;padding-left:14px}
.sec-hd h2:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--pri)}
.sec-hd a{color:var(--pri);text-decoration:none;font-size:14px}
.lead{color:#3a4a5c;max-width:900px;margin:0 0 26px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.stat b{display:block;font-size:30px;color:var(--pri);line-height:1.2}
.stat span{color:var(--sub);font-size:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px;transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(20,40,70,.10)}
.card h3{margin:0 0 10px;font-size:18px;color:var(--pri-d)}
.card p{margin:0;color:var(--sub);font-size:15px}
.news{list-style:none;margin:0;padding:0}
.news li{display:flex;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line)}
.news span{color:var(--sub);font-size:14px;white-space:nowrap}
.news a{text-decoration:none;color:#24384f}
.news a:hover{color:var(--pri)}
.cta{background:#0f3d6e;color:#fff;padding:46px 0}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cta h2{margin:0 0 6px;font-size:24px}
.cta p{margin:0;opacity:.85}
.ft{background:#0d1722;color:#9fb0c3;padding:44px 0 0;font-size:14px}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:30px;padding-bottom:26px}
.ft h4{margin:0 0 12px;color:#fff;font-size:15px}
.ft-col a{display:block;color:#9fb0c3;text-decoration:none;padding:3px 0}
.ft-col a:hover{color:#fff}
.ft-col p{margin:4px 0}
.ft-bar{border-top:1px solid #1c2836;padding:14px 20px;display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;font-size:13px}
.ft-bar a{color:#9fb0c3;text-decoration:none}
.page-hd{background:var(--bg);border-bottom:1px solid var(--line);padding:36px 0}
.page-hd h1{margin:0;font-size:28px}
.crumb{color:var(--sub);font-size:14px;margin-top:6px}
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.tbl th{background:var(--bg);width:150px;color:#33465c;font-weight:600}
.form-row{margin:0 0 14px}
.form-row label{display:block;font-size:14px;color:#33465c;margin-bottom:6px}
.form-row input,.form-row textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit}
.form-row textarea{min-height:110px}
@media(max-width:820px){.hd-in{height:auto;flex-wrap:wrap;padding:12px 0;gap:10px}.nav{margin-left:0;flex-wrap:wrap;width:100%}.hero h1{font-size:28px}.ft-grid{grid-template-columns:1fr}}

/* ---- 内页通用 ---- */
.page-hd{padding:34px 0;border-bottom:1px solid var(--line);background:var(--bg,#f5f7fa)}
.page-hd h1{margin:0;font-size:28px}
.crumb{margin:8px 0 0;font-size:14px;color:var(--sub)}
.crumb a{color:var(--sub);text-decoration:none}
.tbl{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 10px}
.tbl th,.tbl td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.tbl th{background:var(--bg,#f5f7fa);width:150px;color:#33465c;font-weight:600}
.news{list-style:none;margin:0;padding:0}
.news li{display:flex;gap:16px;padding:13px 0;border-bottom:1px dashed var(--line)}
.news span{color:var(--sub);font-size:14px;white-space:nowrap}
.news a{text-decoration:none;color:#24384f}
.news a:hover{color:var(--pri,#1b5faa)}
.post{padding:18px 0;border-bottom:1px dashed var(--line)}
.post h3{margin:0 0 6px;font-size:19px}
.post span{color:var(--sub);font-size:13px}
.post p{margin:8px 0 0;color:#3a4a5c}
.lead{color:#3a4a5c;max-width:920px}
.tip{color:var(--sub);font-size:13px;margin-top:14px}
.form-row{margin:0 0 14px}
.form-row label{display:block;font-size:14px;color:#33465c;margin-bottom:6px}
.form-row input,.form-row textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit}
.form-row textarea{min-height:110px}

.hd{position:sticky;top:0}