:root{--bg:#f6f7f9;--card:#fff;--fg:#1c1f26;--muted:#6b7280;--line:#e3e6eb;--pri:#2563eb;--pri-fg:#fff;--danger:#dc2626;--ok:#16a34a;--r:12px}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--card:#181b21;--fg:#e8eaee;--muted:#9aa3b2;--line:#2a2f38;--pri:#3b82f6}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--fg);margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif}a{color:var(--pri)}.wrap{max-width:720px;padding:16px 14px calc(40px + env(safe-area-inset-bottom));margin:0 auto}.wrap.wide{max-width:1100px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);margin:12px 0;padding:16px}h1{margin:8px 0;font-size:1.5rem}h2{margin:0 0 8px;font-size:1.2rem}h3{font-size:1.05rem}.muted{color:var(--muted);font-size:.9rem}.btn{appearance:none;border:1px solid var(--line);background:var(--card);color:var(--fg);font:inherit;cursor:pointer;border-radius:10px;min-height:44px;padding:10px 16px}.btn.pri{background:var(--pri);border-color:var(--pri);color:var(--pri-fg)}.btn.danger{color:var(--danger)}.btn.sm{min-height:32px;padding:4px 10px;font-size:.9rem}.btn:disabled{opacity:.5;cursor:not-allowed}input[type=text],input[type=password],input[type=number],textarea,select{border:1px solid var(--line);background:var(--card);width:100%;color:var(--fg);font:inherit;border-radius:10px;padding:10px 12px}textarea.code{resize:vertical;min-height:320px;font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}label.f{color:var(--muted);margin:10px 0 4px;font-size:.9rem;display:block}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.row>.grow{flex:1;min-width:140px}.q{border-bottom:1px solid var(--line);padding:14px 0}.q:last-child{border-bottom:0}.q .req{color:var(--danger);margin-left:4px}.prompt p{margin:.4em 0}.prompt img{border-radius:8px;max-width:100%;height:auto;margin:8px 0;display:block}.prompt audio{width:100%;margin:8px 0}.opt{border:1px solid var(--line);cursor:pointer;border-radius:10px;align-items:flex-start;gap:10px;margin:8px 0;padding:12px;display:flex}.opt.on{border-color:var(--pri);background:color-mix(in srgb,var(--pri) 8%,transparent)}.opt input{flex:none;width:20px;height:20px;margin-top:3px}.err{color:var(--danger);margin:8px 0}.ok{color:var(--ok)}.bar{background:var(--line);border-radius:3px;height:6px;position:sticky;top:0;overflow:hidden}.bar>i{background:var(--pri);height:100%;transition:width .2s;display:block}.thumbs{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.thumbs .t{position:relative}.thumbs img{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:88px;height:88px}.thumbs button{background:var(--danger);color:#fff;cursor:pointer;border:0;border-radius:50%;width:24px;height:24px;position:absolute;top:-6px;right:-6px}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:8px}.scroll{overflow-x:auto}.badge{border:1px solid var(--line);border-radius:99px;padding:1px 8px;font-size:.8rem;display:inline-block}.badge.published{color:var(--ok);border-color:var(--ok)}.badge.closed{color:var(--danger);border-color:var(--danger)}.split{grid-template-columns:1fr;gap:12px;display:grid}@media (min-width:900px){.split{grid-template-columns:1fr 1fr}}.preview{border:1px dashed var(--line);border-radius:10px;max-height:520px;padding:8px 12px;overflow:auto}