:root{color-scheme:dark;--bg:#07141b;--panel:#0e2029;--line:#29444c;--mint:#77d9c3;--text:#e6f0f2;--muted:#a8bec6;font:14px/1.65 "Segoe UI","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--mint);text-decoration:none}a:hover{text-decoration:underline}header{padding:18px max(24px,calc((100% - 1180px)/2));border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:23px;font-weight:750;color:var(--text);display:flex;align-items:center;gap:8px}.brand span{color:var(--mint);margin-left:-8px}nav{display:flex;align-items:center;gap:22px}main{max-width:1180px;margin:auto;padding:28px 24px 32px}.intro{max-width:800px;margin-bottom:22px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;color:var(--mint)}h1{font-size:clamp(30px,4vw,44px);line-height:1.16;margin:10px 0 13px;letter-spacing:-1px}h2{font-size:19px;margin:0 0 12px}p{margin:10px 0}.intro>p:last-child{color:var(--muted);font-size:16px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px}aside{display:grid;gap:18px}label{display:block;margin:13px 0}label>span{display:block;margin-bottom:5px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.muted{color:var(--muted);font-size:12px}input,textarea,select{font:inherit;background:#08171e;border:1px solid #3b5861;border-radius:5px;color:var(--text);padding:9px 11px;width:100%;min-width:0}textarea{resize:vertical;max-width:100%;overflow:auto}button{font:inherit;background:#162c35;color:var(--text);border:1px solid #3c5f68;border-radius:5px;padding:9px 15px;cursor:pointer}.primary{background:var(--mint);border-color:var(--mint);color:#092328;font-weight:600}button:disabled{opacity:.5;cursor:wait}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--mint);outline-offset:3px}.privacy{border-left:2px solid var(--mint);padding:8px 12px;background:#122d32;font-size:12px}.confirm{display:flex;align-items:flex-start;gap:10px;font-size:12px}.confirm input{width:16px;flex:none;margin:4px 0}.confirm span{margin:0}.actions{display:flex;gap:10px;flex-wrap:wrap}#preview{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}#status{color:var(--mint);overflow-wrap:anywhere}ol{padding-left:21px}li{margin:10px 0}footer{border-top:1px solid var(--line);color:var(--muted);font-size:11px;max-width:1180px;margin:auto;padding:18px 24px;display:flex;gap:12px;justify-content:space-between}[hidden]{display:none!important}@media(max-width:800px){.layout{grid-template-columns:1fr}aside{grid-template-columns:1fr 1fr}.panel{padding:18px}header{padding:14px 20px}nav{gap:12px}main{padding:24px 18px}}@media(max-width:520px){.fields,aside{grid-template-columns:1fr}header{align-items:flex-start}.brand{font-size:19px}nav{font-size:12px;flex-wrap:wrap;justify-content:flex-end;gap:8px}nav button{padding:5px 8px}footer{flex-direction:column}}