:root{--bg:#f6f7f9;--card:#fff;--text:#1f2328;--muted:#656d76;--line:#d8dee4;--primary:#1f6feb;--ok:#1a7f37;--warn:#9a6700;--bad:#cf222e;--green:#06c755}
@media (prefers-color-scheme:dark){:root{--bg:#0d1117;--card:#161b22;--text:#e6edf3;--muted:#8d96a0;--line:#30363d;--primary:#4493f8;--ok:#3fb950;--warn:#d29922;--bad:#f85149}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 -apple-system,"PingFang TC","Microsoft JhengHei",sans-serif}
a{color:var(--primary)}
h1{font-size:22px;margin:0 0 8px}h2{font-size:18px;margin:0 0 8px}h3{font-size:16px;margin:0 0 8px}
.narrow{max-width:720px;margin:0 auto;padding:24px 16px}
.wide{max-width:1200px;margin:0 auto;padding:16px}
.center{text-align:center}
.hint{color:var(--muted);font-size:13px}
.mono{font-family:ui-monospace,Consolas,monospace}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px}
.btn{display:inline-block;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:8px;padding:7px 14px;font:inherit;cursor:pointer;text-decoration:none}
.btn:hover{border-color:var(--primary)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.danger{color:var(--bad)}
.btn.sm{padding:3px 9px;font-size:13px}
.btn.line{background:var(--green);border-color:var(--green);color:#fff;font-weight:600}
.btn.big{padding:12px 28px;font-size:17px}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,select,textarea{font:inherit;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:7px 10px;width:100%}
textarea{resize:vertical}
label{display:block;margin-bottom:10px;font-size:14px}
label>input,label>select,label>textarea{margin-top:4px}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1 1 180px}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.toolbar>input,.toolbar>select{width:auto}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;white-space:nowrap}
td.wrap{white-space:normal;min-width:160px}
th{color:var(--muted);font-weight:600;font-size:13px}
tr:last-child td{border-bottom:0}
.num{text-align:right;font-variant-numeric:tabular-nums}
.badge{display:inline-block;border-radius:10px;padding:1px 8px;font-size:12px;border:1px solid var(--line)}
.badge.ok{color:var(--ok);border-color:var(--ok)}.badge.warn{color:var(--warn);border-color:var(--warn)}.badge.bad{color:var(--bad);border-color:var(--bad)}
.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-bottom:16px}
.tabs button{border:0;background:none;color:var(--muted);font:inherit;padding:10px 12px;cursor:pointer;border-bottom:2px solid transparent}
.tabs button.active{color:var(--text);border-bottom-color:var(--primary);font-weight:600}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:12px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}
.stat b{display:block;font-size:22px}
.copy{display:flex;gap:8px}.copy input{flex:1}
.hidden{display:none!important}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#24292f;color:#fff;padding:10px 18px;border-radius:8px;z-index:9;max-width:90vw}
#modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;padding:16px;z-index:8}
#modal .card{width:min(560px,100%);max-height:90vh;overflow:auto;margin:0}
.actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px;flex-wrap:wrap}
/* 推廣頁 */
.landing .hero{text-align:center;margin:12px 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.product .price{font-size:20px;font-weight:700;margin:4px 0}
.product .desc{white-space:pre-wrap;color:var(--muted);font-size:14px}
.bar{display:flex;align-items:flex-end;gap:2px;height:60px;margin-top:8px}
.bar span{flex:1;background:var(--primary);opacity:.7;border-radius:2px 2px 0 0;min-height:1px}
input.inline{width:auto;margin:0 6px 0 0;vertical-align:middle}
.spaced{margin-top:24px}
.big-code{font-size:30px;letter-spacing:4px;font-weight:700}
.og-preview{display:block;width:100%;max-width:480px;aspect-ratio:1200/630;object-fit:cover;border:1px solid var(--line);border-radius:8px;margin:8px 0}