:root {
  color-scheme: dark;
  --bg: #0b1020;
  --card: rgba(8, 12, 22, 0.78);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --line: rgba(148, 163, 184, 0.35);
  --accent: #60a5fa;
  --accent-2: #a78bfa;
  --ok: #22c55e;
  --warn: #f59e0b;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 560px at 10% 10%, rgba(96, 165, 250, 0.20), transparent 60%),
    radial-gradient(900px 420px at 88% 84%, rgba(167, 139, 250, 0.18), transparent 60%),
    var(--bg);
  display: grid;
  place-items: center;
  padding: 18px;
}
.panel {
  width: min(680px, 96vw);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  padding: 28px 24px;
  box-shadow: 0 20px 50px rgba(2, 6, 23, 0.5);
  backdrop-filter: blur(10px);
}
h1 {
  margin: 0 0 10px;
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-align: center;
}
.brand { display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--accent); font-size: 13px; letter-spacing: 0.04em; margin: 0 0 14px; opacity: 0.95; }
.brand-logo { width: 22px; height: 22px; border-radius: 6px; display: block; flex: none; }
.sub { margin: 0; text-align: center; color: var(--muted); font-size: 16px; }
.sub strong { color: var(--text); }
.note {
  margin: 18px 0 0; padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 12.5px; line-height: 1.65; text-align: center;
}
.note strong { color: var(--text); }
.spinner {
  width: 60px; height: 60px; border-radius: 50%;
  border: 4px solid rgba(148, 163, 184, 0.28);
  border-top-color: var(--accent);
  margin: 22px auto;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.status { margin: 0; text-align: center; color: var(--text); font-size: 15px; min-height: 22px; }
.status em { font-style: normal; color: var(--accent); }
.list {
  margin: 18px 0 0; padding: 14px; border-radius: 12px;
  border: 1px dashed var(--line); background: rgba(15, 23, 42, 0.45);
  color: var(--muted); font-size: 14px; display: none;
}
.list .hd { margin-bottom: 8px; }
.list .hd.ok { color: var(--ok); }
.list .hd.warn { color: var(--warn); }
.list a { color: var(--accent); text-decoration: none; word-break: break-all; }
.list a:hover { text-decoration: underline; }
.list .row { padding: 4px 0; }