:root{--bg:#0a0d13;--bg2:#0e131b;--card:rgba(255,255,255,.045);--line:rgba(255,255,255,.09);
--ink:#eef2f8;--ink2:#a7b0c2;--ink3:#7f8899;--a:#2dd4bf;--b:#38bdf8;--r:22px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{width:min(1120px,calc(100% - 48px));margin:0 auto}
.glow{position:fixed;inset:0;pointer-events:none;z-index:0;
background:radial-gradient(680px 420px at 12% -6%,rgba(45,212,191,.16),transparent 70%),
radial-gradient(620px 420px at 92% 12%,rgba(109,116,245,.14),transparent 70%)}
main,header,footer{position:relative;z-index:1}
header.nav{position:sticky;top:0;backdrop-filter:blur(18px);background:rgba(10,13,19,.72);
border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px}
.brand img{width:34px;height:34px;border-radius:11px}
.nav nav{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:14px;color:var(--ink2)}
.nav nav a:hover{color:var(--ink)}
.cta{padding:9px 16px;border-radius:999px;background:linear-gradient(120deg,var(--a),var(--b));color:#06121a;font-weight:700}
.hero{padding:84px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;
border:1px solid var(--line);background:var(--card);font-size:12.5px;color:var(--ink2)}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--a);box-shadow:0 0 10px var(--a)}
h1{font-size:clamp(34px,4.6vw,52px);line-height:1.16;letter-spacing:-1px;margin:22px 0 18px}
h1 em{font-style:normal;background:linear-gradient(120deg,var(--a),var(--b));-webkit-background-clip:text;
background-clip:text;color:transparent}
.lead{color:var(--ink2);font-size:16.5px;max-width:520px}
.actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:16px;font-weight:700;font-size:15px}
.btn-primary{background:linear-gradient(120deg,var(--a),var(--b));color:#06121a;
box-shadow:0 16px 40px -18px var(--a)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.phone{position:relative;width:300px;margin:0 auto;aspect-ratio:9/19;border-radius:40px;
background:linear-gradient(160deg,var(--bg2),#070a0f);border:1px solid var(--line);
box-shadow:0 40px 90px -30px rgba(0,0,0,.9),0 0 0 8px rgba(255,255,255,.03);overflow:hidden}
.phone .bar{height:34px;display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--ink3)}
.phone .body{padding:8px 18px;display:flex;flex-direction:column;gap:10px}
.phone h4{margin:0;font-size:20px}
.phone .chip{height:34px;border-radius:12px;background:var(--card);border:1px solid var(--line)}
.phone .row{height:64px;border-radius:16px;background:var(--card);border:1px solid var(--line)}
.phone .accent{background:linear-gradient(120deg,var(--a),var(--b));opacity:.92;border:none}
section{padding:64px 0;border-top:1px solid var(--line)}
.sec-head{max-width:640px;margin-bottom:34px}
.sec-head h2{font-size:clamp(24px,3vw,32px);margin:0 0 10px;letter-spacing:-.5px}
.sec-head p{color:var(--ink2);margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{padding:22px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.card h3{margin:14px 0 8px;font-size:16.5px}
.card p{margin:0;color:var(--ink2);font-size:13.5px}
.ico{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
background:linear-gradient(135deg,rgba(45,212,191,.28),rgba(109,116,245,.24));
color:var(--ink);font-weight:800;font-size:15px}
.pages{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pages div{padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--card);
font-size:14px;color:var(--ink2)}
.pages b{color:var(--ink);font-weight:700}
footer{padding:46px 0 60px;border-top:1px solid var(--line);color:var(--ink3);font-size:13px}
footer .cols{display:flex;gap:48px;flex-wrap:wrap;justify-content:space-between}
footer a:hover{color:var(--ink)}
.doc{padding:46px 0 80px}
.doc-head h1{font-size:clamp(28px,3.4vw,40px);margin:0 0 12px}
.doc-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--ink3);font-size:13px;margin-bottom:26px}
.doc-lead{color:var(--ink2);font-size:15.5px;padding:18px 20px;border-left:3px solid var(--a);
background:var(--card);border-radius:0 14px 14px 0}
.doc h2{font-size:19px;margin:34px 0 10px;letter-spacing:-.2px}
.doc h2 span{color:var(--a);margin-right:8px;font-weight:800}
.doc p{color:var(--ink2);margin:10px 0;font-size:14.5px}
.doc ul{margin:10px 0;padding-left:20px;color:var(--ink2);font-size:14.5px}
.doc li{margin:6px 0}
.doc .note{margin-top:32px;padding:16px 18px;border-radius:14px;background:var(--card);
border:1px solid var(--line);color:var(--ink3);font-size:13px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}.grid{grid-template-columns:1fr 1fr}
.pages{grid-template-columns:1fr}.phone{width:260px}}
@media(max-width:620px){.grid{grid-template-columns:1fr}.nav nav a.hide-sm{display:none}
.hero{padding:48px 0 32px}.wrap{width:calc(100% - 36px)}