:root {
  --bg: #f7f6f3;
  --ink: #23211d;
  --ink-2: #6b665d;
  --line: #e3e0d8;
  --card: #ffffff;
  --accent: #f6821f;
  --ok: #2f9e44;
  --bad: #e03131;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

.card {
  width: min(640px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #c9c4b9;
}

.badge.ok .dot { background: var(--ok); }
.badge.bad .dot { background: var(--bad); }

h1 {
  margin: 18px 0 6px;
  font-size: 26px;
  letter-spacing: -0.3px;
}

.sub {
  margin: 0 0 24px;
  color: var(--ink-2);
  font-size: 14.5px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 16px;
  overflow: hidden;
}

.panel-head {
  padding: 9px 14px;
  background: #fbfaf8;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-2);
}

pre, ol {
  margin: 0;
  padding: 14px;
  font-size: 13px;
}

pre {
  background: #1f1d1a;
  color: #e8e3d9;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

ol { padding-left: 34px; color: var(--ink-2); }
ol li { margin: 4px 0; }

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12.5px;
  background: #f2efe9;
  padding: 1px 5px;
  border-radius: 4px;
  color: #a05a00;
}

footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: #9c968a;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}