*{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#1e3a8a;
  --ink:#172554;
  --gold:#d4af37;
  --gold-soft:#e8c96a;
  --white:#ffffff;
  --line:rgba(212,175,55,.28);
  --panel:rgba(23,37,84,.72);
  --text:#e6edf9;
  --muted:#9fb0cd;
}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background:linear-gradient(180deg,#0a1020 0%,#111f3a 38%,#0a1020 100%);
  color:var(--text);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,span,a,li,div,dt,dd,button,summary{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
}
a{color:var(--gold-soft);text-decoration:none}
a:hover{color:#fff}
img{max-width:100%;display:block;border-radius:10px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(90deg,#0d1830 0%,#16295a 50%,#0d1830 100%);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 26px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:12px 20px;max-width:1180px;margin:0 auto;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.5px;color:#fff}
.brand .mark{
  width:34px;height:34px;border-radius:8px;
  background:linear-gradient(140deg,var(--gold),#8a6d1f);
  display:flex;align-items:center;justify-content:center;color:#0a1020;font-size:17px;font-weight:800;
}
.nav-links{display:flex;flex-wrap:wrap;gap:6px}
.nav-links a{
  display:inline-block;padding:7px 13px;border-radius:6px;
  color:#cfdcf3;font-size:14.5px;border:1px solid transparent;
  transition:all .25s ease;
}
.nav-links a:hover{
  color:#0a1020;background:linear-gradient(140deg,var(--gold-soft),#b8912b);
  border-color:var(--gold);
}

/* hero */
#hero{
  position:relative;
  background:radial-gradient(1200px 420px at 50% -10%,rgba(30,58,138,.85),transparent 70%),
             linear-gradient(160deg,#0e1a33 0%,#172554 60%,#0e1a33 100%);
  border-bottom:1px solid var(--line);
  padding:64px 0 54px;
}
.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:38px;align-items:center}
h1{
  font-size:34px;line-height:1.42;color:#fff;font-weight:800;letter-spacing:.4px;
  margin-bottom:18px;
}
h1 .gold{color:var(--gold-soft)}
.hero-sub{color:var(--muted);font-size:16px;margin-bottom:24px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:12px 26px;border-radius:8px;font-weight:700;font-size:15px;
  transition:all .25s ease;border:1px solid var(--gold);
}
.btn-primary{background:linear-gradient(140deg,var(--gold-soft),#b8912b);color:#0a1020}
.btn-primary:hover{color:#0a1020;filter:brightness(1.1);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--gold-soft)}
.btn-ghost:hover{background:rgba(212,175,55,.14);color:#fff}
.hero-figure{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:var(--panel);padding:12px;
  box-shadow:0 20px 50px rgba(0,0,0,.45);
}
.hero-figure figcaption{font-size:13px;color:var(--muted);text-align:center;padding-top:10px}

/* section base */
section{padding:58px 0}
.sec-head{margin-bottom:32px;border-left:4px solid var(--gold);padding-left:16px}
.sec-head h2{font-size:26px;color:#fff;font-weight:800;letter-spacing:.4px}
.sec-head p{color:var(--muted);font-size:15px;margin-top:8px}
.sec-alt{background:linear-gradient(180deg,rgba(16,28,51,.6),rgba(10,16,32,.2));border-top:1px solid rgba(212,175,55,.14);border-bottom:1px solid rgba(212,175,55,.14)}

/* geo */
#geo-intro{
  background:linear-gradient(150deg,rgba(30,58,138,.32),rgba(23,37,84,.6));
  border:1px solid var(--line);
  border-radius:14px;
  padding:34px 32px;
  margin-top:0;
  box-shadow:0 16px 40px rgba(0,0,0,.3);
}
#geo-intro p{font-size:16.5px;color:#dbe5f5}
#geo-intro p + p{margin-top:14px}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.stat-card{
  background:linear-gradient(160deg,rgba(30,58,138,.55),rgba(23,37,84,.9));
  border:1px solid var(--line);border-top:3px solid var(--gold);
  border-radius:12px;padding:24px 18px;text-align:center;
}
.stat-card .num{font-size:30px;font-weight:800;color:var(--gold-soft);letter-spacing:1px}
.stat-card .lab{font-size:14px;color:var(--muted);margin-top:6px}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.adv-card{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:0;overflow:hidden;transition:transform .25s ease,border-color .25s ease;
}
.adv-card:hover{transform:translateY(-4px);border-color:var(--gold)}
.adv-card .bar{
  background:linear-gradient(90deg,#172554,#1e3a8a);
  padding:12px 18px;font-weight:700;color:#fff;font-size:16px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:9px;
}
.adv-card .body{padding:18px;color:#cdd9ec;font-size:15px}

/* story */
.story-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:center}
.story-text p{color:#cfdcef;font-size:15.5px;margin-bottom:14px}
.story-figure{border:1px solid var(--line);border-radius:14px;padding:12px;background:var(--panel)}

/* events */
.event-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.event-card{
  background:linear-gradient(165deg,rgba(30,58,138,.45),rgba(15,25,48,.95));
  border:1px solid var(--line);border-radius:12px;padding:22px;
}
.event-card .tag{
  display:inline-block;font-size:12.5px;padding:3px 10px;border-radius:20px;
  background:rgba(212,175,55,.16);color:var(--gold-soft);border:1px solid var(--line);
  margin-bottom:12px;
}
.event-card h3{font-size:18px;color:#fff;margin-bottom:10px}
.event-card p{font-size:14.5px;color:#c6d3e8}
.event-meta{margin-top:14px;padding-top:12px;border-top:1px dashed rgba(212,175,55,.25);font-size:13.5px;color:var(--muted)}

/* insights 深度内容 */
.insight-box{
  background:linear-gradient(160deg,rgba(23,37,84,.85),rgba(14,26,51,.9));
  border:1px solid var(--line);border-radius:14px;padding:30px;
}
.insight-box h3{color:var(--gold-soft);font-size:20px;margin-bottom:14px}
.insight-box p{color:#cfdcef;font-size:15.5px;margin-bottom:14px}
.insight-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
.insight-list li{
  background:rgba(30,58,138,.3);border:1px solid rgba(212,175,55,.2);
  border-radius:9px;padding:14px 16px;font-size:14.5px;color:#d3dff2;
}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-item{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:22px 24px;transition:border-color .25s ease,transform .25s ease;
}
.news-item:hover{border-color:var(--gold);transform:translateY(-3px)}
.news-item .date{
  display:inline-block;font-size:13px;color:var(--gold-soft);
  border:1px solid var(--line);border-radius:5px;padding:2px 10px;margin-bottom:12px;
  background:rgba(212,175,55,.08);letter-spacing:.5px;
}
.news-item h3{font-size:17.5px;color:#fff;margin-bottom:10px;line-height:1.55}
.news-item p{font-size:14.5px;color:#c6d3e8}
.news-item.full{grid-column:1 / -1}

/* timeline */
.timeline{position:relative;padding-left:26px;border-left:2px solid rgba(212,175,55,.35)}
.tl-item{position:relative;padding:0 0 28px 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:6px;width:13px;height:13px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(212,175,55,.18);
}
.tl-item h3{font-size:17px;color:#fff;margin-bottom:6px}
.tl-item p{font-size:14.5px;color:#c6d3e8}

/* recommend */
.rec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.rec-card{
  display:flex;gap:16px;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:18px;align-items:flex-start;
}
.rec-card .ico{font-size:26px;line-height:1}
.rec-card h3{font-size:16.5px;color:#fff;margin-bottom:6px}
.rec-card p{font-size:14px;color:#c6d3e8}

/* cta */
#cta{
  background:linear-gradient(120deg,#16295a 0%,#1e3a8a 55%,#16295a 100%);
  border:1px solid var(--line);border-radius:16px;padding:46px 36px;text-align:center;
  box-shadow:0 22px 60px rgba(0,0,0,.4);
}
#cta h2{font-size:27px;color:#fff;margin-bottom:14px}
#cta p{color:#cdd9ec;font-size:15.5px;max-width:760px;margin:0 auto 26px}

/* partners */
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.partner-card{
  background:rgba(23,37,84,.6);border:1px solid var(--line);border-radius:10px;
  padding:20px 14px;text-align:center;font-size:14.5px;color:#cfdcef;
}
.partner-card .p-ico{font-size:22px;display:block;margin-bottom:8px}

/* faq */
.faq-list{display:grid;gap:16px}
.faq-item{
  background:linear-gradient(160deg,rgba(23,37,84,.85),rgba(13,24,45,.9));
  border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:10px;padding:22px 24px;
}
.faq-item h3{font-size:17px;color:var(--gold-soft);margin-bottom:10px;line-height:1.6}
.faq-item p{font-size:15px;color:#cdd9ec}

/* footer */
.site-footer{
  background:linear-gradient(180deg,#0b1428 0%,#0a1020 100%);
  border-top:1px solid var(--line);
  padding:46px 0 24px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;margin-bottom:30px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:14px;border-left:3px solid var(--gold);padding-left:10px}
.footer-grid p,.footer-grid li{font-size:14.5px;color:#a9bad6;line-height:1.9;list-style:none}
.footer-grid a{color:#a9bad6}
.footer-grid a:hover{color:var(--gold-soft)}
.footer-bottom{
  border-top:1px solid rgba(212,175,55,.18);padding-top:18px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13.8px;color:#8fa2c2;
}

@media(max-width:980px){
  .hero-grid,.story-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid,.event-grid,.partner-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid,.rec-grid,.insight-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  h1{font-size:26px}
  .sec-head h2{font-size:22px}
  .stat-grid,.adv-grid,.event-grid,.partner-grid{grid-template-columns:1fr}
  .header-inner{justify-content:center}
  .nav-links{justify-content:center}
}