:root{--bg:#050b16;--bg2:#08121f;--card:#0c1726;--line:#16304a;--tx:#e6f1fb;--mut:#8fa6bd;--gold:#4fd8ff;--red:#1f8fe8;--lime:#8be34a;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.7 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--tx);-webkit-font-smoothing:antialiased}
a{color:var(--gold)}h1,h2,h3{font-family:Inter,system-ui,sans-serif;font-weight:700;line-height:1.15;color:#f2f9ff;margin:0}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:10;background:rgba(5,11,22,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;color:#f2f9ff;text-decoration:none;font-weight:700;letter-spacing:.02em}
.brand img{width:34px;height:34px;border-radius:8px;object-fit:cover}
.nav nav a{color:var(--mut);text-decoration:none;margin-left:20px;font-size:14px}.nav nav a:hover{color:var(--gold)}
.hero{padding:56px 0 30px;background:radial-gradient(60% 90% at 85% 10%,rgba(31,143,232,.28),transparent 62%),radial-gradient(50% 70% at 0% 100%,rgba(139,227,74,.10),transparent 60%)}.herogrid{display:grid;gap:30px;grid-template-columns:1.1fr .9fr;align-items:center}.herologo img{width:100%;height:auto;max-width:440px;border-radius:24px;border:1px solid var(--line);box-shadow:0 0 60px rgba(31,143,232,.35);display:block;margin:0 auto}@media(max-width:760px){.herogrid{grid-template-columns:1fr}.herologo{order:-1}.herologo img{max-width:260px}}
.eyebrow{color:var(--gold);letter-spacing:.2em;text-transform:uppercase;font-size:12px;margin:0 0 14px}
.hero h1{font-size:clamp(32px,6vw,56px);margin-bottom:18px}.lead{max-width:600px;color:var(--mut);font-size:18px;margin:0 0 26px}
.btn{display:inline-block;background:linear-gradient(135deg,#1f8fe8,#17b8d8);color:#03121f;text-decoration:none;padding:12px 22px;border-radius:10px;font-weight:700;border:1px solid #4fd8ff;margin:0 8px 8px 0}
.btn:hover{filter:brightness(1.1)}.btn.ghost{background:transparent;color:var(--tx);border-color:var(--line)}
.sec{padding:46px 20px 4px}.sh{font-size:28px;margin-bottom:22px}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid.three{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.game{display:flex;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.emb{flex:none;width:84px;height:84px;border-radius:20px;display:flex;align-items:center;justify-content:center;font:400 38px "Ma Shan Zheng","Noto Serif SC",serif;color:#eaf7ff;background:linear-gradient(145deg,#12385c,#07111d);border:1px solid #4fd8ff55;box-shadow:0 6px 22px rgba(31,143,232,.3)}
.game h3{font-size:19px;margin-bottom:4px}.game p{margin:0 0 8px;color:var(--mut);font-size:14.5px;line-height:1.5}
.badge{display:inline-block;font-size:12px;border:1px solid var(--line);color:var(--mut);border-radius:999px;padding:2px 10px}
.play{display:inline-block;background:#fff;color:#111;text-decoration:none;font-weight:600;font-size:13px;padding:7px 14px;border-radius:8px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}.feat h3{font-size:17px;margin-bottom:8px}.feat p{margin:0;color:var(--mut);font-size:15px}
.cta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;background:linear-gradient(120deg,#0c1d33,#0a2a2a);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.cta h2{font-size:22px}.cta p{margin:4px 0 0;color:var(--mut)}
.doc{max-width:780px;margin:0 auto;padding:44px 20px 70px}
.doc h1{font-size:34px;margin-bottom:6px}.doc h2{font-size:20px;margin:34px 0 8px;padding-top:6px;border-top:1px solid var(--line)}
.doc p,.doc li{color:#c5d5e4}.doc ul,.doc ol{padding-left:22px}.meta{color:var(--mut);font-size:14px;margin:0 0 22px}
.doc code{background:#0f2236;padding:1px 6px;border-radius:5px;font-size:.92em}
.doc .box{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
footer{border-top:1px solid var(--line);margin-top:60px;background:var(--bg2)}
footer .wrap{padding:30px 20px;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;color:var(--mut);font-size:14px}
footer a{color:var(--mut);margin-right:18px;text-decoration:none}footer a:hover{color:var(--gold)}
@media(max-width:600px){.nav nav a{margin-left:12px;font-size:13px}.nav nav a.opt{display:none}.hero{padding:56px 0 46px}}
@media(prefers-color-scheme:light){.play{background:#0b2540;color:#fff}:root{--bg:#f4f9ff;--bg2:#e6f0fa;--card:#fff;--line:#cfdff0;--tx:#13202e;--mut:#56687a;--gold:#0a6fb5}h1,h2,h3,.brand{color:#0b1b2b}.nav{background:rgba(244,249,255,.92)}.doc p,.doc li{color:#27384a}.doc code{background:#e3eef9}.btn.ghost{color:#13202e}.cta{background:linear-gradient(120deg,#fff,#e7f4ff)}.emb{color:#eaf7ff}}