:root{
  --navy:#0b2038; --navy2:#0e2b4d; --ink:#0f2035; --muted:#5b6b82; --faint:#8496ad;
  --line:#e6ecf3; --bg:#fff; --soft:#f4f8fc;
  --cyan:#12b5c9; --cyan2:#0e9fb2; --blue:#1f6fe0; --amber:#f5a623; --green:#12a66b;
  --radius:16px; --shadow:0 10px 30px rgba(11,32,56,.10); --shadow-lg:0 24px 60px rgba(11,32,56,.16);
  --font:"Inter","Segoe UI","PingFang SC","Microsoft YaHei",system-ui,-apple-system,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s}
.btn--primary{background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#fff;box-shadow:0 10px 24px rgba(18,181,201,.34)}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(18,181,201,.44)}
.btn--ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.btn--ghost:hover{background:rgba(255,255,255,.16)}
.btn--outline{background:#fff;color:var(--cyan2);border-color:#d6eef2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan2)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px}

header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800}
.brand img{width:36px;height:36px;border-radius:9px}
.brand__zh{font-size:19px;letter-spacing:.02em}
.brand__en{font-size:11px;color:var(--faint);font-weight:700;letter-spacing:.06em}
.nav__links{display:flex;gap:24px;margin-left:14px}
.nav__links a{font-size:14.5px;color:var(--muted);font-weight:600}
.nav__links a:hover{color:var(--ink)}
.nav__cta{margin-left:auto;display:flex;align-items:center;gap:14px}
.lang{font-size:13.5px;font-weight:700;color:var(--cyan2);border:1px solid #d6eef2;border-radius:999px;padding:7px 14px}
.lang:hover{background:var(--soft)}

.hero{position:relative;overflow:hidden;color:#eaf3fb;
  background:radial-gradient(1000px 480px at 82% -10%,rgba(18,181,201,.42),transparent 60%),
  radial-gradient(760px 400px at 6% 110%,rgba(31,111,224,.28),transparent 62%),
  linear-gradient(160deg,var(--navy),#081a30 72%);padding:0}
.hero__in{padding:84px 0 90px;max-width:820px}
.hero__badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);font-size:13px;font-weight:600;color:#cfe6f5}
.hero h1{margin:22px 0 18px;font-size:clamp(32px,5vw,52px);line-height:1.12;font-weight:800;letter-spacing:-.02em;color:#fff}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#7fe3f0,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17.5px;color:#b7cbe0;max-width:680px}
.hero__cta{display:flex;gap:14px;margin:30px 0 24px;flex-wrap:wrap}
.hero__chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);font-size:13px;color:#cfe0ee;font-weight:600}
.dot{width:7px;height:7px;border-radius:50%;background:var(--cyan)}

section{padding:82px 0}
.soft{background:var(--soft)}
.head{max-width:760px;margin:0 auto 50px;text-align:center}
.head h2{margin:12px 0 12px;font-size:clamp(26px,3.4vw,36px);font-weight:800;letter-spacing:-.01em}
.head p{color:var(--muted);font-size:16px}

.grid{display:grid;gap:18px}
.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:24px;transition:transform .18s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:#e7f7fa;color:var(--cyan2);margin-bottom:15px}
.card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}
.tagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.aws-tag{font-size:12px;font-weight:800;color:#8a5a00;background:#fff3dd;border:1px solid #ffe2ad;padding:4px 9px;border-radius:6px}

.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 18px}
.step .n{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--cyan),var(--cyan2));margin-bottom:12px}
.step h3{font-size:15px;font-weight:800;margin-bottom:6px}
.step p{font-size:13px;color:var(--muted)}

.why{color:#eaf3fb;background:radial-gradient(700px 300px at 90% 0,rgba(18,181,201,.2),transparent 60%),linear-gradient(135deg,var(--navy2),var(--navy))}
.why .head h2{color:#fff}
.why .head p{color:#b7cbe0}
.whygrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.wcard{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:24px}
.wcard b{display:block;font-size:16px;color:#fff;margin-bottom:8px}
.wcard p{font-size:14px;color:#b7cbe0}

.aud{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.aud span{padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:700;font-size:15px}

.contact{background:linear-gradient(135deg,#0c2c52,var(--navy));color:#fff;border-radius:22px;padding:48px;text-align:center;box-shadow:var(--shadow-lg)}
.contact h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:12px}
.contact p{color:#b7cbe0;font-size:16px;margin-bottom:8px}
.contact .mail{font-size:18px;font-weight:800;color:#7fe3f0;margin:10px 0 22px;display:inline-block}
.contact small{display:block;color:#8fa6c0;margin-top:16px;font-size:13px}

.disclose{max-width:820px;margin:26px auto 0;text-align:center;font-size:13.5px;color:var(--muted)}
.disclose b{color:var(--ink)}

footer{background:#061626;color:#93a6c1;padding:44px 0 26px;font-size:14px}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:flex-start}
.foot .brand__zh{color:#fff}
.foot p{max-width:420px;color:#7e93b1;font-size:13px;margin-top:12px}
.foot a{color:#bcd0ea;font-weight:600}
.foot__bottom{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:#6f85a4;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

@media (max-width:900px){
  .g3,.g4,.whygrid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .nav__links{display:none}
}
@media (max-width:560px){
  .g3,.g4,.whygrid,.steps{grid-template-columns:1fr}
  section{padding:60px 0}
  .contact{padding:32px 22px}
}