:root{color-scheme:light;--ink:#17212b;--muted:#657487;--line:#dce3ea;--blue:#1267d6;--bg:#f4f7fa}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}
header{background:#102a43;color:white;padding:20px max(calc((100% - 1080px)/2),24px);display:flex;align-items:center;justify-content:space-between}
header strong{font-size:20px}main{max-width:1080px;margin:28px auto;padding:0 20px}.card{background:white;border:1px solid var(--line);border-radius:12px;padding:22px;margin:16px 0;box-shadow:0 2px 10px #102a4308}
h1{font-size:25px;margin:0 0 16px}h2{font-size:18px;margin:0 0 12px}.hint{color:var(--muted);margin:0 0 16px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
label{display:block;font-weight:600;margin:12px 0 5px}input{width:100%;border:1px solid #cbd5df;border-radius:7px;padding:10px 12px;font:inherit}
button{border:0;border-radius:7px;padding:10px 15px;background:var(--blue);color:white;font:inherit;font-weight:650;cursor:pointer;margin-top:12px}button.secondary{background:#e9eff5;color:#23384d}button.danger{background:#a83232}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.hidden{display:none!important}.notice{min-height:24px;color:#a83232}.ok{color:#177245}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f6f8fa;padding:12px;border-radius:8px;max-height:360px;overflow:auto}
.small{font-size:13px;color:var(--muted)}.divider{height:1px;background:var(--line);margin:18px 0}
/* 审计 F-03：已下线的「推广账号管理」卡片 —— 保留但禁用，用文案说明为何点不动。 */
.deprecated{border:1px solid #f0c98a;background:#fff8ec;color:#8a5606;border-radius:8px;padding:12px 14px;margin:0 0 12px}
.deprecated a{color:#8a5606;font-weight:650}
fieldset[disabled]{border:0;margin:0;padding:0;min-width:0}
fieldset[disabled] input,fieldset[disabled] button{opacity:.55;cursor:not-allowed}