:root{
  --bg:#080b10;--bg2:#0d1119;--panel:#111826;--panel2:#151f30;--card:#0f1724;
  --line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.16);--text:#f6f3e8;--muted:#96a3b6;
  --accent:#39d98a;--accent2:#67e8f9;--warn:#f5b84b;--danger:#ff6b6b;--shadow:0 24px 90px rgba(0,0,0,.38)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 16% -8%,rgba(57,217,138,.12),transparent 32%),radial-gradient(circle at 82% 0,rgba(103,232,249,.1),transparent 28%),linear-gradient(180deg,#070a0f 0,#0b1018 52%,#080b10 100%);color:var(--text);font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}a{color:inherit}.top{position:sticky;top:0;z-index:10;height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100vw - 1160px)/2));background:rgba(8,11,16,.82);backdrop-filter:blur(16px)}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,rgba(57,217,138,.24),rgba(103,232,249,.16));display:grid;place-items:center;border:1px solid var(--line2);font-weight:900}.top b{font-size:17px}.top span{display:block;color:var(--muted);font-size:12px;margin-top:1px}.top nav{display:flex;align-items:center;gap:10px}.top a{color:var(--text);text-decoration:none;padding:9px 12px;border:1px solid transparent;border-radius:12px}.top a:hover{border-color:var(--line2);background:rgba(255,255,255,.04)}.wrap{width:min(1160px,calc(100% - 32px));margin:32px auto 60px}.hero{position:relative;overflow:hidden;padding:34px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(180deg,rgba(21,31,48,.82),rgba(13,18,28,.92));box-shadow:var(--shadow)}.hero:after{content:"";position:absolute;right:-70px;top:-100px;width:260px;height:260px;border-radius:50%;background:rgba(57,217,138,.11);filter:blur(5px)}h1,h2,h3{margin:0 0 12px;letter-spacing:-.02em}h1{font-size:clamp(28px,4vw,48px);line-height:1.06;max-width:790px}h2{font-size:23px}.hero p{max-width:650px;color:var(--muted);margin:0 0 16px}.tabs{display:flex;gap:10px;margin:22px 0;flex-wrap:wrap}.tab,button,.btn{background:rgba(21,31,48,.86);color:var(--text);border:1px solid var(--line);border-radius:14px;padding:11px 16px;cursor:pointer;text-decoration:none;transition:.16s ease;display:inline-flex;align-items:center;gap:8px;font-weight:650}.tab.active,button:hover,.btn:hover{border-color:rgba(57,217,138,.55);background:rgba(57,217,138,.1)}button:disabled{opacity:.55;cursor:not-allowed}.panel,.card{border:1px solid var(--line);border-radius:24px;background:rgba(17,24,38,.88);padding:22px;box-shadow:0 15px 48px rgba(0,0,0,.22)}.tabpane{display:none}.tabpane.active{display:block}.grid2{display:grid;grid-template-columns:1fr 1.15fr;gap:18px}.field{display:block;margin:12px 0}.field span{display:block;margin-bottom:7px;color:var(--muted);font-size:13px}input,select,textarea{width:100%;background:#0a1019;color:var(--text);border:1px solid var(--line);border-radius:14px;padding:13px 14px;margin:8px 0;outline:none}input:focus,select:focus,textarea:focus{border-color:rgba(57,217,138,.5);box-shadow:0 0 0 4px rgba(57,217,138,.07)}textarea{min-height:130px;resize:vertical}.demoList{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:14px}.demo{border:1px solid var(--line);border-radius:20px;padding:14px;background:linear-gradient(180deg,rgba(18,26,41,.95),rgba(12,18,28,.95));min-height:100%;display:flex;flex-direction:column;gap:10px}.demo img{width:100%;height:145px;object-fit:cover;border-radius:15px;background:#090d14;border:1px solid var(--line)}.demo h3{font-size:17px;margin:0}.demo .row{display:flex;gap:8px;align-items:center;justify-content:space-between}.muted{color:var(--muted)}.result{margin-top:14px;color:var(--muted);white-space:pre-wrap}.box{border:1px solid var(--line);border-radius:18px;padding:16px;background:rgba(255,255,255,.035)}.ok{color:#a7f3d0;padding:12px;border:1px solid rgba(57,217,138,.45);border-radius:14px;background:rgba(57,217,138,.09)}.alert{color:#fecaca;padding:12px;border:1px solid rgba(255,107,107,.45);border-radius:14px;background:rgba(255,107,107,.08)}.auth{width:min(460px,calc(100% - 32px));margin:76px auto;padding:26px;border:1px solid var(--line);border-radius:26px;background:rgba(17,24,38,.92);box-shadow:var(--shadow)}.auth .brand{justify-content:center;margin-bottom:18px}.auth h1{text-align:center;font-size:30px}.support{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border:1px solid var(--line2);border-radius:999px;color:#d7dee9;background:rgba(255,255,255,.04);font-size:12px}.price{font-size:24px;font-weight:800;color:#a7f3d0}.mini{font-size:12px;color:var(--muted)}.payment-state{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;white-space:pre-wrap;word-break:break-word}.footer-note{margin-top:22px;color:var(--muted);font-size:13px}@media(max-width:820px){.grid2{grid-template-columns:1fr}.top{height:auto;align-items:flex-start;gap:12px;padding:14px 16px;flex-direction:column}.top nav{flex-wrap:wrap}.wrap{width:min(100% - 24px,1160px);margin-top:20px}.hero{padding:24px}.panel,.card{padding:18px}}@media(max-width:520px){.tabs .tab{flex:1;justify-content:center}.demoList{grid-template-columns:1fr}h1{font-size:30px}}