:root{--bg:#07080d;--card:#0f1119;--line:#222536;--text:#eceef6;--muted:#9aa0b8;--grad:linear-gradient(135deg,#7c3aed 0%,#e8508f 60%,#ff8a3d 100%)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:#c4a8ff}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{padding:20px 0}
.logo{font-weight:800;font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;text-decoration:none}
.hero{padding:56px 0 48px;text-align:center}
.hero h1{font-size:clamp(40px,8vw,72px);line-height:1.05;margin:0 0 16px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:640px;margin:0 auto 28px;color:var(--muted);font-size:19px}
.btn{display:inline-block;padding:14px 28px;border-radius:14px;background:var(--grad);color:#fff;font-weight:700;text-decoration:none}
section.block{padding:40px 0}
h2{font-size:28px;margin:0 0 24px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.step{font-size:13px;font-weight:700;color:#ff8a3d;letter-spacing:.08em;margin-bottom:6px}
.ph{aspect-ratio:3/4;border-radius:16px;border:1px dashed var(--line);background:linear-gradient(160deg,#141626,#0c0d15);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{color:var(--muted);margin:10px 0 0}
footer{border-top:1px solid var(--line);margin-top:48px;padding:28px 0 40px;color:var(--muted);font-size:14px}
footer a{margin-right:18px}
.doc{padding:24px 0 8px;max-width:820px}
.doc h1{font-size:34px;margin:8px 0 6px}
.doc h2{font-size:22px;margin:32px 0 10px}
.doc p,.doc li{color:#cfd3e6}
.doc .meta{color:var(--muted);font-size:14px}
.doc hr{border:0;border-top:1px solid var(--line);margin:48px 0}
.gallery{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.ex{width:100%;height:auto;aspect-ratio:720/951;object-fit:cover;border-radius:16px;border:1px solid var(--line);display:block}