:root {
  --bg: #0b0f17;
  --panel: #121826;
  --panel-2: #18202f;
  --border: #243044;
  --text: #e6edf6;
  --muted: #93a1b5;
  --accent: #38bdf8;
  --accent-2: #f59e0b;
  --ok: #34d399;
  --bad: #f87171;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0e1422, #0b0f17);
}
.topbar .brand { font-weight: 700; letter-spacing: .3px; }
.topbar .brand small { color: var(--muted); font-weight: 500; margin-left: 8px; }
.topbar nav a { margin-left: 18px; color: var(--muted); font-size: 14px; }
.topbar nav a:hover { color: var(--text); }
.band { max-width: 1100px; margin: 0 auto; padding: 28px 22px; }
.hero h1 { font-size: 30px; margin: 0 0 8px; }
.hero p { color: var(--muted); max-width: 720px; margin: 0 0 18px; }
.grid { display: grid; gap: 16px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 18px;
}
.card h3 { margin: 0 0 10px; font-size: 15px; }
input[type="text"] {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: 8px; font-size: 15px; min-width: 240px;
}
button {
  background: var(--accent); color: #04121c; border: 0; border-radius: 8px;
  padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
}
button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--bad); color: #1a0606; }
button:disabled { opacity: .5; cursor: not-allowed; }
button:hover:not(:disabled) { filter: brightness(1.08); }
.check { display: flex; gap: 10px; align-items: center; padding: 8px 0; }
.check label { display: flex; gap: 8px; align-items: center; cursor: pointer; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge.primary { color: var(--accent-2); border-color: #4a3a16; }
.badge.ok { color: var(--ok); border-color: #14402f; }
.badge.bad { color: var(--bad); border-color: #4a1c1c; }
video {
  width: 100%; background: #000; border-radius: 10px; border: 1px solid var(--border);
  aspect-ratio: 16 / 9; object-fit: contain;
}
.log {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px;
  background: #0a0e16; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; height: 180px; overflow: auto; color: var(--muted); white-space: pre-wrap;
}
.kv { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.kv:last-child { border-bottom: 0; }
.targets { display: flex; gap: 10px; flex-wrap: wrap; }
.target {
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 13px;
  background: var(--panel-2);
}
.target.cf { border-color: #4a3a16; }
.target.srs { border-color: #1b3550; }
.muted { color: var(--muted); font-size: 13px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 820px) { .two { grid-template-columns: 1fr; } }