:root{--bg:#0b1220;--card:#0f172a;--line:rgba(255,255,255,.12);
--text:#e6ecff;--muted:#9fb4ff;--accent:#22d3ee;--accent2:#60a5fa}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,Segoe UI,Roboto}
.wrap{max-width:1000px;margin:0 auto;padding:0 16px}
a{color:var(--accent);text-decoration:none}
.site-header{position:sticky;top:0;background:rgba(9,12,20,.8);backdrop-filter:blur(8px);
border-bottom:1px solid var(--line);z-index:10}
.site-header .wrap{display:flex;justify-content:space-between;align-items:center;padding:12px 0}
.brand{font-weight:800;letter-spacing:.2px}.dot{color:var(--accent)}
.nav a{margin-left:14px;color:var(--muted)}
.main{padding:36px 0}
.hero{border:1px solid var(--line);border-radius:14px;padding:18px;background:linear-gradient(180deg,rgba(34,211,238,.08),transparent)}
.card{margin-top:18px;border:1px solid var(--line);border-radius:14px;padding:16px;background:var(--card)}
h1,h2{margin:0 0 8px}
.hint{color:var(--muted);font-size:14px}
.lbl{display:block;margin:8px 0 6px;color:var(--muted)}
.btn{background:linear-gradient(180deg,var(--accent),var(--accent2));border:none;color:#00131b;border-radius:999px;padding:10px 16px;font-weight:700;cursor:pointer}
.btn.primary{padding:12px 20px}
.actions{margin-top:10px}
.dropzone{border:2px dashed var(--line);border-radius:12px;padding:22px;text-align:center}
.dropzone.drag{border-color:var(--accent)}
.pick-name{margin-top:8px;color:var(--muted);font-size:14px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mt{margin-top:12px}
textarea{width:100%;border-radius:10px;border:1px solid var(--line);background:#0c1628;color:var(--text);padding:10px}
select,input[type="text"],input[type="file"]{width:100%}
.progress{margin-top:12px;height:10px;background:#0c1628;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.progress .bar{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .2s}
.preview{margin-top:10px}
.faq{margin:20px 0}
details{background:#0c1628;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:8px 0}
.site-footer{border-top:1px solid var(--line);padding:20px 0;color:var(--muted);margin-top:30px}
@media (max-width:720px){.grid{grid-template-columns:1fr}}