*,*::before,*::after{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  box-sizing:border-box;
}
:root{
  --deep:#0c4a6e;
  --ink:#082f49;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --light:#f4f8fb;
  --text:#0f2231;
  --muted:#5b7391;
  --card:#ffffff;
  --border:rgba(12,74,110,.12);
  --shadow:0 18px 40px -24px rgba(8,47,73,.45);
}
html,body{margin:0;padding:0;}
body{
  background:var(--light);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--deep);text-decoration:none;}
a:hover{color:var(--cyan);}
img{max-width:100%;display:block;}
.container{max-width:1140px;margin:0 auto;padding:0 20px;}
section{padding:72px 0;}
h1,h2,h3,h4{line-height:1.35;margin:0 0 14px;color:var(--ink);font-weight:700;}
h1{font-size:2.05rem;letter-spacing:.5px;}
h2{font-size:1.65rem;}
h3{font-size:1.12rem;}
p{margin:0 0 14px;}
.eyebrow{
  display:inline-block;
  font-size:.78rem;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--cyan-soft);
  border:1px solid rgba(125,211,252,.5);
  border-radius:999px;
  padding:4px 14px;
  margin-bottom:16px;
}
.eyebrow.dark{color:var(--deep);border-color:rgba(12,74,110,.25);}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(120deg,#0c4a6e 0%,#082f49 100%);
  box-shadow:0 8px 24px -18px rgba(0,0,0,.8);
}
.header-inner{
  max-width:1140px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.logo{
  color:#fff;font-weight:700;letter-spacing:2px;font-size:1rem;
  display:flex;align-items:center;gap:10px;
}
.logo span{
  font-size:.7rem;letter-spacing:2px;color:var(--cyan-soft);
  border-left:1px solid rgba(255,255,255,.3);padding-left:10px;
}
.nav-links{display:flex;flex-wrap:wrap;gap:6px;}
.nav-links a{
  color:rgba(255,255,255,.86);font-size:.92rem;padding:8px 14px;border-radius:8px;
  transition:.2s;
}
.nav-links a:hover{background:rgba(56,189,248,.18);color:#fff;}
/* ---------- hero ---------- */
.hero{
  background:radial-gradient(1200px 500px at 15% 0%,rgba(56,189,248,.22),transparent 60%),
             linear-gradient(160deg,#0c4a6e 0%,#082f49 100%);
  color:#e8f2f8;
  padding:76px 0 84px;
}
.hero h1{color:#fff;}
.hero .geo{color:rgba(232,242,248,.92);font-size:1.02rem;max-width:760px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero-media img{
  border-radius:18px;border:1px solid rgba(125,211,252,.28);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.8);
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.btn{
  display:inline-block;padding:12px 26px;border-radius:10px;font-size:.94rem;
  font-weight:600;transition:.2s;border:1px solid transparent;
}
.btn.primary{background:linear-gradient(120deg,#38bdf8,#0ea5e9);color:#04283d;}
.btn.primary:hover{transform:translateY(-2px);color:#04283d;}
.btn.ghost{border-color:rgba(255,255,255,.45);color:#fff;}
.btn.ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
/* ---------- generic section head ---------- */
.section-head{max-width:780px;margin-bottom:38px;}
.section-head p{color:var(--muted);margin:0;}
/* ---------- stats ---------- */
#data-stats{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat-card{
  background:linear-gradient(170deg,#f7fbfe,#eef6fb);
  border:1px solid var(--border);border-radius:16px;padding:26px 22px;text-align:center;
  box-shadow:var(--shadow);
}
.stat-card b{display:block;font-size:1.85rem;color:var(--deep);letter-spacing:1px;}
.stat-card span{font-size:.9rem;color:var(--muted);}
/* ---------- advantages ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.adv-card{
  background:var(--card);border:1px solid var(--border);border-radius:18px;
  padding:28px 24px;box-shadow:var(--shadow);transition:.25s;
}
.adv-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5);}
.adv-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#0c4a6e,#082f49);color:#7dd3fc;font-size:1.25rem;margin-bottom:16px;
}
.adv-card p{color:var(--muted);font-size:.94rem;margin:0;}
/* ---------- brand story ---------- */
#brand-story{background:linear-gradient(170deg,#082f49,#0c4a6e);color:#dbeaf3;}
#brand-story h2{color:#fff;}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.story-grid p{color:rgba(219,234,243,.9);}
.story-grid img{border-radius:18px;border:1px solid rgba(125,211,252,.3);}
.story-points{list-style:none;padding:0;margin:18px 0 0;}
.story-points li{
  padding:8px 0 8px 24px;position:relative;color:rgba(219,234,243,.92);font-size:.95rem;
}
.story-points li::before{
  content:"◆";position:absolute;left:0;color:var(--cyan);font-size:.75rem;top:12px;
}
/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px;border-left:2px solid rgba(12,74,110,.18);}
.tl-item{position:relative;padding:0 0 30px 22px;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--cyan);
}
.tl-item h3{margin-bottom:6px;}
.tl-item p{color:var(--muted);margin:0;font-size:.95rem;}
/* ---------- events ---------- */
#featured-events{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.events-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.event-card{
  border:1px solid var(--border);border-radius:18px;padding:24px;background:linear-gradient(175deg,#ffffff,#f2f8fc);
  box-shadow:var(--shadow);
}
.event-tag{
  display:inline-block;font-size:.75rem;letter-spacing:1px;color:#0369a1;
  background:rgba(56,189,248,.14);border-radius:999px;padding:3px 12px;margin-bottom:12px;
}
.event-score{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-weight:700;color:var(--deep);margin:14px 0 10px;font-size:1.02rem;
}
.event-card p{color:var(--muted);font-size:.92rem;margin:0;}
/* ---------- news ---------- */
#news-list{background:linear-gradient(180deg,#eef6fb,#f4f8fb);}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.news-card{
  background:var(--card);border:1px solid var(--border);border-radius:18px;padding:26px;
  box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5);}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.news-meta .tag{
  font-size:.75rem;letter-spacing:1px;color:#fff;background:linear-gradient(120deg,#0c4a6e,#082f49);
  border-radius:999px;padding:3px 12px;
}
.news-meta time{font-size:.82rem;color:var(--muted);}
.news-card p{color:var(--muted);font-size:.94rem;flex:1;}
.news-card .more{font-size:.9rem;font-weight:600;color:var(--deep);}
/* ---------- faq ---------- */
#faq{background:#fff;border-top:1px solid var(--border);}
.faq-list{display:grid;gap:16px;}
.faq-item{
  border:1px solid var(--border);border-radius:16px;background:linear-gradient(170deg,#ffffff,#f6fafd);
  padding:22px 24px;box-shadow:var(--shadow);
}
.faq-item h3{margin-bottom:10px;color:var(--deep);display:flex;gap:10px;align-items:flex-start;}
.faq-item h3 .q{
  flex:0 0 26px;height:26px;border-radius:8px;background:linear-gradient(140deg,#0c4a6e,#082f49);
  color:#7dd3fc;font-size:.82rem;display:flex;align-items:center;justify-content:center;
}
.faq-item p{color:var(--muted);font-size:.95rem;margin:0;}
/* ---------- partners ---------- */
#partners{background:linear-gradient(180deg,#f4f8fb,#e9f3f9);}
.chips{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  border:1px solid var(--border);background:#fff;border-radius:999px;padding:10px 20px;
  font-size:.9rem;color:var(--deep);box-shadow:0 8px 20px -16px rgba(8,47,73,.6);
}
/* ---------- cta ---------- */
#cta{
  background:radial-gradient(900px 400px at 85% 10%,rgba(56,189,248,.25),transparent 62%),
             linear-gradient(140deg,#0c4a6e,#082f49);
  color:#e8f2f8;text-align:center;
}
#cta h2{color:#fff;}
#cta p{max-width:720px;margin:0 auto 26px;color:rgba(232,242,248,.9);}
#cta .hero-actions{justify-content:center;}
/* ---------- footer ---------- */
.site-footer{
  background:#061f30;color:rgba(219,234,243,.82);padding:56px 0 24px;font-size:.92rem;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;}
.footer-brand{color:#fff;font-weight:700;letter-spacing:2px;font-size:1rem;}
.site-footer p{margin:0 0 8px;}
.site-footer a{color:rgba(219,234,243,.86);}
.site-footer a:hover{color:var(--cyan);}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 20px;align-content:flex-start;}
.footer-bottom{
  max-width:1140px;margin:38px auto 0;padding:18px 20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.85rem;
  color:rgba(219,234,243,.7);
}
/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-grid,.story-grid,.footer-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid,.events-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  h1{font-size:1.6rem;}
  section{padding:56px 0;}
}