:root{
  --navy:#08203F; --navy2:#0E2E63; --blue:#1D4ED8; --blue-l:#3B82F6;
  --ink:#14213D; --ink2:#54658A; --line:#E4EBF6; --bg:#F4F7FC;
  --ok:#0F9D58; --radius:14px; --shadow:0 10px 34px rgba(14,42,88,.09);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-size:16px;line-height:1.8;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.3px}
p{margin:0}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(14,42,88,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:11px}
.logo .mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(140deg,#2E6BF0,#0B2A5B);display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(29,78,216,.28)}
.logo .mark svg{width:24px;height:24px}
.logo .txt b{display:block;font-size:19px;letter-spacing:1px;line-height:1.25}
.logo .txt span{display:block;font-size:11px;color:var(--ink2);letter-spacing:2.4px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:2px}
.nav a{padding:9px 15px;border-radius:999px;font-size:15px;color:var(--ink2);transition:.2s}
.nav a:hover{color:var(--blue);background:#EEF4FF}
.nav a.active{color:var(--blue);background:#EEF4FF;font-weight:600}
.header-tel{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink2);
  border-left:1px solid var(--line);padding-left:18px;white-space:nowrap}
.header-tel b{color:var(--ink);font-size:15px;letter-spacing:.5px}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer}
.burger i{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.burger i::before{top:-6px}.burger i::after{top:6px}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1200px 500px at 78% 8%,rgba(59,130,246,.45),transparent 60%),
             linear-gradient(135deg,#061A35 0%,#0E2E63 48%,#123A82 100%)}
.hero::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:56px 56px;mask-image:linear-gradient(180deg,#000,transparent 85%)}
.hero-inner{position:relative;z-index:2;padding:108px 0 116px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:3px;
  color:#9EC2FF;border:1px solid rgba(158,194,255,.32);border-radius:999px;padding:7px 16px;margin-bottom:26px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:#5FA0FF}
.hero h1{font-size:48px;line-height:1.28;margin-bottom:20px}
.hero .lead{font-size:18px;color:#C6D8F7;max-width:680px;margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 28px;border-radius:999px;
  font-size:15px;font-weight:600;transition:.22s;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,#3B82F6,#1D4ED8);color:#fff;
  box-shadow:0 12px 28px rgba(37,99,235,.38)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,99,235,.46)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#EAF1FF}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 46px;margin-top:54px;padding-top:30px;
  border-top:1px solid rgba(255,255,255,.14)}
.hero-facts div{min-width:120px}
.hero-facts b{display:block;font-size:22px;color:#fff}
.hero-facts span{font-size:13.5px;color:#9FB6DC}

/* ---------- 通用区块 ---------- */
.section{padding:86px 0}
.section.alt{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin:0 auto 50px;text-align:center}
.section-head .kicker{font-size:13px;font-weight:700;letter-spacing:3px;color:var(--blue);margin-bottom:12px}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--ink2)}
.section-head.left{margin-left:0;text-align:left}

.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  transition:.25s;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#CBDFFB}
.card .ico{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#E9F1FF,#D7E6FF);color:var(--blue);margin-bottom:18px}
.card .ico svg{width:24px;height:24px}
.card h3{font-size:18.5px;margin-bottom:10px}
.card p{color:var(--ink2);font-size:15px}
.card ul{margin:12px 0 0;padding-left:18px;color:var(--ink2);font-size:14.5px}
.card li{margin:5px 0}

.steps{counter-reset:s}
.step{position:relative;padding-left:58px}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:2px;width:38px;height:38px;
  border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--blue);font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:15px}
.step h4{font-size:17px;margin-bottom:8px}
.step p{color:var(--ink2);font-size:15px}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.prose p{color:var(--ink2);margin-bottom:16px}
.prose p:last-child{margin-bottom:0}
.ticks{list-style:none;margin:22px 0 0;padding:0}
.ticks li{position:relative;padding-left:30px;margin:11px 0;color:var(--ink);font-size:15.5px}
.ticks li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:#E7F0FF}
.ticks li::after{content:"";position:absolute;left:5px;top:11px;width:6px;height:3px;border-left:2px solid var(--blue);
  border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.panel + .panel{margin-top:20px}
.panel h4{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.panel h4 svg{width:18px;height:18px;color:var(--blue)}
.kv{display:grid;grid-template-columns:96px 1fr;gap:10px 16px;font-size:15px}
.kv dt{color:var(--ink2)}
.kv dd{margin:0;color:var(--ink)}

.cta{background:linear-gradient(135deg,#0E2E63,#1D4ED8);color:#fff;border-radius:20px;padding:52px;
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta h2{font-size:28px;margin-bottom:10px}
.cta p{color:#CBDCFA}

/* ---------- 页面头图 ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#061A35,#123A82);padding:74px 0 66px}
.page-hero::before{content:"";position:absolute;inset:0;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:52px 52px;mask-image:linear-gradient(180deg,#000,transparent)}
.page-hero .inner{position:relative;z-index:2}
.crumb{font-size:13.5px;color:#9FB6DC;margin-bottom:14px}
.crumb a:hover{color:#fff}
.page-hero h1{font-size:38px}
.page-hero p{color:#C6D8F7;margin-top:14px;max-width:720px}

/* ---------- 新闻 ---------- */
.news-item{display:grid;grid-template-columns:120px 1fr;gap:26px;padding:26px 0;border-bottom:1px dashed var(--line)}
.news-item:last-child{border-bottom:0}
.news-date{color:var(--ink2);font-size:14.5px}
.news-date b{display:block;font-size:26px;color:var(--blue);line-height:1.2}
.news-item h3{font-size:19px;margin-bottom:8px}
.news-item p{color:var(--ink2);font-size:15px}
.tag{display:inline-block;font-size:12.5px;color:var(--blue);background:#EEF4FF;border-radius:6px;
  padding:2px 9px;margin-bottom:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:#061A33;color:#A9BEDF;font-size:14.5px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:38px;padding:58px 0 40px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .mark{width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:linear-gradient(140deg,#2E6BF0,#0B2A5B);display:flex;align-items:center;justify-content:center}
.footer-brand .mark svg{width:24px;height:24px}
.footer-brand b{color:#fff;font-size:18px;letter-spacing:1px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.6px}
.site-footer a:hover{color:#fff}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin:9px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 30px;
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:#8FA6C7}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}
.footer-bottom .legal a{display:inline-flex;align-items:center;gap:6px}
.footer-bottom .dot{opacity:.4}

/* ---------- 移动端 ---------- */
@media (max-width:980px){
  .header-tel{display:none}
  .burger{display:flex}
  .nav{display:none;position:absolute;left:0;right:0;top:74px;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:10px 16px 18px;gap:2px;box-shadow:0 18px 30px rgba(14,42,88,.08)}
  .nav.open{display:flex}
  .nav a{padding:13px 14px;border-radius:10px}
  .hero-inner{padding:74px 0 78px}
  .hero h1{font-size:33px}
  .hero .lead{font-size:16.5px}
  .section{padding:60px 0}
  .section-head h2{font-size:26px}
  .page-hero{padding:56px 0 50px}
  .page-hero h1{font-size:28px}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .cta{padding:34px 26px;border-radius:16px}
  .cta h2{font-size:23px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:42px 0 30px}
  .news-item{grid-template-columns:1fr;gap:10px}
}
@media (max-width:620px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .hero-facts{gap:16px 30px}
  .btn{width:100%;justify-content:center}
  .hero-actions{gap:10px}
}