:root{--red:#b3261e;--ink:#222;--muted:#777;--line:#e5e5e5;--bg:#f6f6f4}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.5}
a{color:var(--red)}
.wrap{max-width:960px;margin:0 auto;padding:16px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
header h1{font-size:20px;margin:0}
.muted{color:var(--muted)}
.card{background:#fff;border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
button,.btn{appearance:none;border:1px solid var(--red);background:var(--red);color:#fff;font-size:14px;padding:8px 14px;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block;line-height:1.3}
button.ghost,.btn.ghost{background:#fff;color:var(--red)}
button.small{padding:4px 10px;font-size:12px}
button.danger{background:#fff;color:#c00;border-color:#c00}
button:disabled{opacity:.5;cursor:default}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{background:#fafafa;font-weight:600;color:#555;font-size:13px}
tr.row{cursor:pointer}tr.row:hover{background:#fff8f0}
.thumb{width:48px;height:48px;border-radius:8px;object-fit:cover;background:#eee;display:block}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:#555;margin-bottom:4px}
.field input[type=text],.field input[type=number],.field input[type=date],.field input[type=datetime-local],.field input[type=password],.field textarea{width:100%;font-size:14px;padding:9px 10px;border:1px solid #ddd;border-radius:8px;background:#fff}
.field textarea{min-height:80px;resize:vertical}
.field .inline{display:flex;gap:8px;align-items:center}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media(max-width:600px){.row2{grid-template-columns:1fr}}
.tabs{display:flex;gap:4px;margin-bottom:12px;border-bottom:1px solid var(--line)}
.tabs a{padding:10px 14px;text-decoration:none;color:#555;border-bottom:2px solid transparent}
.tabs a.on{color:var(--red);border-color:var(--red);font-weight:600}
.linkbox{display:flex;gap:16px;align-items:flex-start;flex-wrap:wrap}
.linkbox .l{flex:1;min-width:240px}
.linkbox input{width:100%;font-size:13px;padding:8px;border:1px solid #ddd;border-radius:8px;margin-bottom:8px}
.linkbox img{width:140px;height:140px;border:1px solid var(--line);border-radius:8px;background:#fff}
.err{color:#c00;min-height:18px;font-size:13px}
.login{max-width:360px;margin:80px auto}
.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#eee;color:#555}
.pill.ok{background:#e6f4ea;color:#1e7e34}.pill.off{background:#fdecea;color:#c00}
.toast{position:fixed;left:50%;top:20px;transform:translateX(-50%);background:rgba(0,0,0,.8);color:#fff;padding:10px 16px;border-radius:8px;z-index:9}
.stats{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.stat{background:#fff;border-radius:10px;padding:10px 14px;min-width:120px}
.stat b{font-size:20px;display:block}
.hint{font-size:12px;color:var(--muted)}