*{margin:0;padding:0;box-sizing:border-box;font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;}
html{scroll-behavior:smooth;}
body{
  background-color:#082f49;
  color:#e0f2fe;
  line-height:1.8;
  font-size:16px;
  background-image:
    radial-gradient(circle at 12% -5%,rgba(56,189,248,.28),transparent 45%),
    radial-gradient(circle at 88% 12%,rgba(14,165,233,.20),transparent 42%),
    radial-gradient(circle at 50% 100%,rgba(2,132,199,.18),transparent 55%),
    linear-gradient(180deg,#082f49 0%,#0c4a6e 45%,#082f49 100%);
  background-attachment:fixed;
}
a{color:#7dd3fc;text-decoration:none;}
a:hover{color:#e0f2fe;}
img{max-width:100%;display:block;border-radius:14px;}
h1,h2,h3,h4{line-height:1.35;color:#f0f9ff;font-weight:700;}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(8,47,73,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(56,189,248,.22);}
.header-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:19px;color:#f0f9ff;letter-spacing:.5px;}
.brand-mark{font-size:20px;}
.brand-sub{color:#38bdf8;font-weight:600;font-size:16px;}
.nav-links{display:flex;flex-wrap:wrap;gap:6px;}
.nav-links a{padding:8px 14px;border-radius:999px;font-size:15px;color:#cbe9fb;border:1px solid transparent;transition:.25s;}
.nav-links a:hover{background:rgba(56,189,248,.16);border-color:rgba(56,189,248,.45);color:#ffffff;}

/* layout */
main{max-width:1200px;margin:0 auto;padding:0 20px 60px;}
section{margin-top:56px;}
.section-head{margin-bottom:24px;}
.section-head h2{font-size:clamp(22px,3vw,30px);}
.section-head p{color:#9fd3ee;margin-top:8px;font-size:15px;}
.pill{display:inline-block;padding:5px 14px;border-radius:999px;font-size:13px;letter-spacing:1px;color:#7dd3fc;background:rgba(56,189,248,.14);border:1px solid rgba(56,189,248,.35);}

/* hero */
.hero{margin-top:44px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center;padding:38px;border-radius:24px;background:linear-gradient(140deg,rgba(12,74,110,.85),rgba(8,47,73,.6));border:1px solid rgba(56,189,248,.28);box-shadow:0 24px 60px rgba(2,20,32,.55),inset 0 1px 0 rgba(255,255,255,.06);position:relative;overflow:hidden;}
.hero-grid::after{content:"";position:absolute;inset:auto -30% -60% -30%;height:220px;background:repeating-linear-gradient(90deg,transparent 0 26px,rgba(125,211,252,.07) 26px 52px);border-radius:50%;}
.hero h1{font-size:clamp(24px,3.4vw,38px);margin:16px 0 18px;letter-spacing:.5px;}
.hero .lead{color:#b8dff2;font-size:16px;max-width:640px;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;transition:.25s;}
.btn.primary{background:linear-gradient(120deg,#0ea5e9,#22d3ee);color:#052735;box-shadow:0 10px 26px rgba(34,211,238,.32);}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(34,211,238,.42);color:#04222f;}
.btn.ghost{border:1px solid rgba(125,211,252,.5);color:#cbe9fb;}
.btn.ghost:hover{background:rgba(56,189,248,.14);color:#fff;}
.hero-art img{width:100%;height:auto;box-shadow:0 18px 44px rgba(2,20,32,.6);}

/* geo */
.geo-box{padding:30px 32px;border-radius:20px;background:rgba(255,255,255,.05);border:1px solid rgba(56,189,248,.22);backdrop-filter:blur(6px);}
.geo-box p{color:#c7e6f6;font-size:16px;}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;}
.stat-card{padding:26px 22px;border-radius:18px;text-align:center;background:linear-gradient(160deg,rgba(14,165,233,.16),rgba(8,47,73,.5));border:1px solid rgba(56,189,248,.25);}
.stat-card strong{display:block;font-size:32px;color:#7dd3fc;letter-spacing:1px;}
.stat-card span{display:block;margin-top:6px;color:#a9d4ea;font-size:14px;}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}
.adv-card{border-radius:20px;overflow:hidden;background:rgba(255,255,255,.045);border:1px solid rgba(56,189,248,.22);transition:.28s;}
.adv-card:hover{transform:translateY(-5px);border-color:rgba(125,211,252,.6);box-shadow:0 20px 44px rgba(2,20,32,.55);}
.adv-card img{width:100%;height:170px;object-fit:cover;border-radius:0;}
.adv-card .adv-body{padding:20px 22px 26px;}
.adv-card h3{font-size:18px;margin-bottom:10px;color:#bae6fd;}
.adv-card p{font-size:15px;color:#a9d4ea;}

/* events */
.event-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;}
.event-card{padding:22px;border-radius:18px;background:linear-gradient(150deg,rgba(12,74,110,.8),rgba(8,47,73,.6));border:1px solid rgba(56,189,248,.24);}
.event-card .tag{font-size:12px;letter-spacing:1px;color:#22d3ee;border:1px solid rgba(34,211,238,.4);padding:2px 10px;border-radius:999px;display:inline-block;margin-bottom:10px;}
.event-card h3{font-size:17px;margin-bottom:8px;}
.event-card p{font-size:14px;color:#a9d4ea;}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px;}
.news-card{padding:24px;border-radius:18px;background:rgba(255,255,255,.045);border:1px solid rgba(56,189,248,.2);transition:.26s;}
.news-card:hover{border-color:rgba(125,211,252,.55);background:rgba(56,189,248,.09);}
.news-card h3{font-size:17px;margin-bottom:10px;color:#e0f2fe;}
.news-meta{font-size:13px;color:#5ea9cc;margin-bottom:12px;letter-spacing:.5px;}
.news-card p.body{font-size:14.5px;color:#a9d4ea;}

/* story */
.story-wrap{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;}
.story-text p{color:#b8dff2;margin-bottom:14px;font-size:15.5px;}

/* partners */
.partner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;}
.partner-item{padding:20px;text-align:center;border-radius:14px;background:rgba(255,255,255,.04);border:1px dashed rgba(125,211,252,.3);color:#9fd3ee;font-size:15px;letter-spacing:1px;}

/* testimonials */
.quote-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.quote{padding:24px;border-radius:18px;background:linear-gradient(150deg,rgba(56,189,248,.12),rgba(8,47,73,.5));border:1px solid rgba(56,189,248,.22);}
.quote p{font-size:15px;color:#c7e6f6;}
.quote span{display:block;margin-top:14px;font-size:13.5px;color:#7dd3fc;}

/* faq */
.faq-list{display:grid;gap:14px;}
.faq-item{border-radius:16px;background:rgba(255,255,255,.045);border:1px solid rgba(56,189,248,.22);padding:20px 24px;}
.faq-item h3{font-size:16.5px;color:#bae6fd;margin-bottom:10px;}
.faq-item p{font-size:15px;color:#a9d4ea;}

/* cta */
.cta-box{padding:42px 34px;border-radius:24px;text-align:center;background:linear-gradient(130deg,rgba(14,165,233,.28),rgba(8,47,73,.75));border:1px solid rgba(125,211,252,.4);}
.cta-box h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px;}
.cta-box p{color:#c7e6f6;max-width:720px;margin:0 auto 24px;}

/* footer */
footer{margin-top:70px;background:rgba(4,30,46,.9);border-top:1px solid rgba(56,189,248,.25);padding:44px 20px 26px;}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
footer h4{font-size:16px;margin-bottom:12px;color:#7dd3fc;}
footer p,footer a,footer li{font-size:14px;color:#9fc9dd;line-height:2;}
footer ul{list-style:none;}
.footer-bottom{max-width:1200px;margin:34px auto 0;padding-top:18px;border-top:1px solid rgba(56,189,248,.18);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:#6ea8c4;}

@media(max-width:860px){
  .hero-grid,.story-wrap{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .hero-grid{padding:26px;}
}