:root{--bg:#f4f6fb;--card:#fff;--tx:#151b2e;--mu:#5a6478;--ac:#5b4bf0;--ac2:#eceaff;--bd:#e3e6f0;--hd:#0f1230;--g1:#5b4bf0;--g2:#12b5c4;--sh:0 1px 2px rgba(20,27,60,.06),0 6px 20px rgba(20,27,60,.06)}
@media (prefers-color-scheme:dark){:root{--bg:#0c0e1d;--card:#15182b;--tx:#eef0fa;--mu:#a5acc4;--ac:#8b7dff;--ac2:#211f4a;--bd:#262a44;--hd:#080a18;--sh:0 1px 2px rgba(0,0,0,.4),0 6px 20px rgba(0,0,0,.3)}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.75 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--ac)}.w{max-width:1080px;margin:0 auto;padding:0 18px}
header{background:var(--hd);position:sticky;top:0;z-index:10;border-bottom:1px solid #ffffff14}
nav{display:flex;align-items:center;gap:2px;flex-wrap:wrap;padding:12px 0}
.logo{font-weight:800;font-size:23px;color:#fff;margin-right:auto;text-decoration:none;letter-spacing:-.02em}
.logo span{background:linear-gradient(90deg,var(--g1),var(--g2));-webkit-background-clip:text;background-clip:text;color:transparent}
nav a.l{color:#c9cdea;padding:7px 12px;border-radius:999px;font-size:14px;text-decoration:none;transition:.2s}
nav a.l:hover{background:#ffffff1f;color:#fff}
.btn{display:inline-block;background:linear-gradient(135deg,var(--g1),#7b6cff);color:#fff;border:0;padding:11px 20px;border-radius:10px;cursor:pointer;font:inherit;font-weight:600;margin:4px 8px 4px 0;text-decoration:none;box-shadow:0 4px 14px rgba(91,75,240,.3);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(91,75,240,.4)}
.btn.s{background:var(--ac2);color:var(--ac);box-shadow:none}
.hero{background:radial-gradient(600px 300px at 85% 0%,rgba(18,181,196,.45),transparent 70%),radial-gradient(500px 300px at 10% 100%,rgba(123,108,255,.5),transparent 70%),linear-gradient(135deg,#0f1230,#2a1f8f);color:#fff;padding:72px 0 64px}
.hero h1{font-size:clamp(30px,5.5vw,52px);line-height:1.1;margin:0 0 14px;letter-spacing:-.03em}
.hero p{max-width:620px;color:#d8dcff;font-size:18px}
.hero .btn{background:#fff;color:#2a1f8f;box-shadow:none}.hero .btn.s{background:#ffffff26;color:#fff}
h1{font-size:32px;line-height:1.2;letter-spacing:-.02em}
h2{font-size:23px;margin-top:38px;letter-spacing:-.01em}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;margin:16px 0}
.card{background:var(--card);border:1px solid var(--bd);border-radius:16px;padding:20px;margin-bottom:18px;box-shadow:var(--sh)}
.grid .card{margin:0;position:relative;transition:transform .2s,border-color .2s;overflow:hidden}
a.card:hover{transform:translateY(-4px);border-color:var(--ac)}
a.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--g1),var(--g2));opacity:0;transition:.2s}
a.card:hover::before{opacity:1}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--mu);font-size:15px}
input,textarea,select{width:100%;padding:11px 12px;border:1px solid var(--bd);border-radius:10px;background:var(--bg);color:var(--tx);font:inherit;margin:4px 0 14px;transition:border-color .2s,box-shadow .2s}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--ac);box-shadow:0 0 0 3px var(--ac2)}
label{font-size:14px;font-weight:600;color:var(--mu)}
.res{background:var(--ac2);padding:16px;border-radius:12px;margin-top:14px;display:none;white-space:pre-wrap;word-break:break-word;border:1px solid var(--bd)}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--bd);word-break:break-word}
.sub{color:var(--mu)}.pg{padding:30px 0}
.cat{margin:34px 0 4px;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ac);font-weight:700;display:flex;align-items:center;gap:10px}
.cat::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--g1),var(--g2))}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>div{flex:1;min-width:140px}
img.pv{max-width:100%;margin-top:12px;border-radius:12px}
ul{padding-left:22px}li{margin:4px 0}
footer{background:var(--hd);color:#aeb4d6;margin-top:56px;padding:36px 0 20px;font-size:14px}
footer a{color:#aeb4d6;display:block;padding:3px 0;text-decoration:none}footer a:hover{color:#fff}
.fg{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:24px}
footer h4{color:#fff;margin:0 0 8px}.cp{border-top:1px solid #ffffff1a;margin-top:20px;padding-top:12px;text-align:center}