:root{
  --bg:#0f1115;--panel:#171a21;--panel2:#1e222b;--line:#2a2f3a;--text:#eef0f4;--muted:#9aa3b2;
  --accent:#fe2c55;--accent2:#25f4ee;--ok:#3ecf8e;--warn:#f5a524;--err:#ff6b6b;--radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--accent2)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
header.top{border-bottom:1px solid var(--line);background:rgba(15,17,21,.9);position:sticky;top:0;z-index:5;backdrop-filter:blur(6px)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);text-decoration:none}
.brand .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--accent2),var(--accent))}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:var(--panel2);color:var(--text);padding:9px 16px;border-radius:999px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{border-color:#3a4150}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn.small{padding:6px 12px;font-size:13px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.hero{padding:72px 0 40px;text-align:center}
.hero h1{font-size:38px;line-height:1.2;margin:0 0 14px}
.hero p{color:var(--muted);max-width:640px;margin:0 auto 28px;font-size:17px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 56px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px;padding:24px 0;margin-top:40px}
footer .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}
.alert{border-radius:10px;padding:12px 14px;margin:16px 0;font-size:14px}
.alert.err{background:rgba(255,107,107,.1);border:1px solid rgba(255,107,107,.4);color:#ffb3b3}
.alert.info{background:rgba(37,244,238,.07);border:1px solid rgba(37,244,238,.3);color:#bff}
.alert.warn{background:rgba(245,165,36,.08);border:1px solid rgba(245,165,36,.35);color:#ffd99a}
.layout{display:grid;grid-template-columns:300px 1fr;gap:20px;padding:24px 0}
.side h2,.main h2{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 12px}
.acct{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin-bottom:10px;cursor:pointer}
.acct.sel{border-color:var(--accent2);box-shadow:0 0 0 1px var(--accent2) inset}
.acct img,.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--panel2);flex:none}
.acct .meta{min-width:0;flex:1}
.acct .name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acct .sub{font-size:12px;color:var(--muted)}
.empty{color:var(--muted);font-size:14px;padding:16px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center}
.steps{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.steps span{font-size:13px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.steps span.on{color:var(--text);border-color:var(--accent);background:rgba(254,44,85,.12)}
.field{margin-bottom:18px}
.field label.lbl{display:block;font-weight:600;margin-bottom:6px}
.hint{font-size:12.5px;color:var(--muted);margin-top:6px}
textarea,select,input[type=text]{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;font:inherit}
textarea{min-height:90px;resize:vertical}
select:invalid{color:var(--muted)}
.drop{border:2px dashed var(--line);border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted);cursor:pointer}
.drop:hover{border-color:var(--accent2);color:var(--text)}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:8px;margin:6px 0}
.check input{width:18px;height:18px;accent-color:var(--accent)}
.check.disabled{opacity:.5}
.toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel2)}
.sub-box{margin:10px 0 0 4px;padding-left:14px;border-left:2px solid var(--line)}
.creator{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;background:var(--panel2);border:1px solid var(--line);margin-bottom:18px}
.preview{display:grid;grid-template-columns:260px 1fr;gap:20px}
.preview video,.pick video{width:100%;border-radius:10px;background:#000;max-height:460px}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 12px;font-size:14px}
.kv div:nth-child(odd){color:var(--muted)}
.mode{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
.mode label{border:1px solid var(--line);border-radius:10px;padding:12px;cursor:pointer;background:var(--panel2)}
.mode label.on{border-color:var(--accent2)}
.mode b{display:block}
.mode small{color:var(--muted)}
.mode input{display:none}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:500}
.pill{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid var(--line)}
.pill.ok{color:var(--ok);border-color:rgba(62,207,142,.5)}
.pill.err{color:var(--err);border-color:rgba(255,107,107,.5)}
.pill.run{color:var(--warn);border-color:rgba(245,165,36,.5)}
.legal{max-width:820px;padding:32px 16px 0}
.legal h1{font-size:30px}
.legal h2{font-size:19px;margin-top:28px}
.legal p,.legal li{color:#d5d9e1}
.spin{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:s .8s linear infinite;display:inline-block}
@keyframes s{to{transform:rotate(360deg)}}
[hidden]{display:none!important}
@media (max-width:820px){
  .grid3{grid-template-columns:1fr}
  .layout{grid-template-columns:1fr}
  .preview{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .kv{grid-template-columns:120px 1fr}
}