:root{
  --bg:#000000;
  --card:#111113;
  --border:#1f1f23;
  --text:#f5f5f7;
  --muted:#a1a1a6;
  --accent:#5e6ad2;
  --accent-soft:rgba(94,106,210,.14);
  --green:#34c759; --green-soft:rgba(52,199,89,.14);
  --orange:#ff9500; --orange-soft:rgba(255,149,0,.16);
  --red:#ff3b30; --red-soft:rgba(255,59,48,.12);
  --purple:#a84dff;
  --radius:18px;
  --shadow:0 1px 2px rgba(0,0,0,.2),0 12px 32px rgba(0,0,0,.4);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:14px 26px;
  background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px;letter-spacing:-.01em;margin-right:6px;color:var(--text)}
.brand .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,#0071e3,#a84dff);box-shadow:0 0 0 3px rgba(0,113,227,.15)}
.nav a{color:var(--muted);font-size:14px}
.nav a.act{color:var(--text);font-weight:600}
.nav a.act::after{content:"";display:block;height:2px;background:var(--accent);border-radius:2px;margin-top:2px}
main{max-width:860px;margin:0 auto;padding:32px 22px 80px}
h1{font-size:28px;letter-spacing:-.025em;margin:4px 0 2px;font-weight:700}
h2{font-size:19px;letter-spacing:-.015em;margin:30px 0 12px;font-weight:650}
.sub{color:var(--muted);font-size:14px;margin:0 0 20px}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0a84ff,#6e40ff);color:#fff;border:none;border-radius:22px;
  padding:26px 28px;box-shadow:0 16px 40px rgba(52,80,255,.25)}
.hero h1{color:#fff;margin-top:0}
.hero .sub{color:rgba(255,255,255,.85);margin:8px 0 0}
.hero .pill{background:rgba(255,255,255,.22);color:#fff}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px;margin:14px 0}
.pill{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;background:var(--accent-soft);color:#0066cc;font-size:13px;font-weight:600}
.pill.green{background:var(--green-soft);color:#1e7d33}
.pill.orange{background:var(--orange-soft);color:#c93400}
.pill.red{background:var(--red-soft);color:#c42a20}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;font-size:14px;margin:10px 0}
.kv b{font-weight:600}
.kv span{color:var(--muted)}
ul.clean{list-style:none;padding:0;margin:0}
ul.clean li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 2px;border-bottom:1px solid var(--border);font-size:14px}
ul.clean li:last-child{border-bottom:none}
ul.clean .t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta{color:var(--muted);font-size:12.5px}
.badge{font-size:12px;color:var(--green);font-weight:700}
.badge.warn{color:var(--orange)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;border:none;border-radius:12px;padding:10px 18px;font-size:14px;font-weight:500;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.08),0 6px 18px rgba(0,113,227,.25);transition:transform .05s ease,filter .15s}
.btn:hover{filter:brightness(1.06);text-decoration:none;color:#fff}
.btn:active{transform:scale(.97)}
.btn.ghost{background:var(--card);color:var(--text);box-shadow:var(--shadow);border:1px solid var(--border)}
input[type=text],input[type=search]{background:#f5f5f7;border:1px solid var(--border);border-radius:12px;padding:9px 14px;font-size:14px;color:var(--text);width:60%;outline:none;transition:box-shadow .15s,border-color .15s}
input[type=text]:focus,input[type=search]:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,113,227,.15)}
table.board{border-collapse:collapse;margin:12px auto;background:var(--card);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
table.board .cell{width:18px;height:18px;background:rgba(0,0,0,.05);border:1px solid rgba(0,0,0,.04)}
table.board .cell.on{background:linear-gradient(135deg,#0a84ff,#a84dff)}
code{background:#f2f2f4;padding:2px 7px;border-radius:7px;font-size:13px;font-family:ui-monospace,Menlo,monospace}
article.md{font-size:15px;line-height:1.75}
article.md h1{font-size:24px} article.md h2{font-size:18px;margin-top:22px}
article.md li{margin:5px 0}
hr{border:none;border-top:1px solid var(--border);margin:18px 0}
.drop{border:2px dashed rgba(0,0,0,.16);border-radius:var(--radius);padding:46px 20px;text-align:center;color:var(--muted);cursor:pointer;transition:all .15s;background:#fafafa}
.drop.hot{border-color:var(--accent);background:var(--accent-soft);color:#0066cc}
#list{list-style:none;padding:0;margin:16px 0}
#list li{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:11px 15px;margin:8px 0;font-size:13px;word-break:break-all;box-shadow:var(--shadow)}
#list .ok{color:#1e7d33;border-left:3px solid var(--green)}
#list .fail{color:#c42a20;border-left:3px solid var(--red)}
#bar{height:5px;background:#ececee;border-radius:3px;margin-top:12px;overflow:hidden;display:none}
#bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#0a84ff,#a84dff);transition:width .2s}
img.qr{width:250px;height:250px;background:#fff;padding:14px;border-radius:22px;box-shadow:var(--shadow)}
@media(max-width:640px){main{padding:22px 14px 60px}input[type=text],input[type=search]{width:100%}.nav{gap:14px;padding:12px 16px}}