:root {
  --fg: #1f2328; --muted: #656d76; --line: #d0d7de; --bg: #ffffff; --soft: #f6f8fa;
  --accent: #0969da; --ok: #1a7f37; --warn: #9a6700;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--fg); background: var(--bg);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 880px; margin: 0 auto; padding: 16px; }
header.top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding: 10px 16px; max-width: 880px; margin: 0 auto 8px; }
header.top .brand { font-weight: 600; }
header.top nav { display: flex; gap: 12px; flex-wrap: wrap; flex: 1; }
header.top .logout { border: 1px solid var(--line); background: var(--soft); border-radius: 6px; padding: 2px 10px; cursor: pointer; font-size: 14px; }
.muted { color: var(--muted); font-size: 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; background: var(--bg); }
.card h2 { margin: 0 0 4px; font-size: 20px; }
.stats { display: flex; gap: 16px; flex-wrap: wrap; margin: 4px 0 8px; }
.stats b { font-size: 20px; }
ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 4px 0; border-bottom: 1px dashed var(--line); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
th { background: var(--soft); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.md pre { background: var(--soft); padding: 12px; border-radius: 6px; overflow-x: auto; font-size: 14px; line-height: 1.5; }
.md code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.md :not(pre) > code { background: var(--soft); padding: 1px 4px; border-radius: 4px; font-size: 0.9em; }
.md blockquote { margin: 0; padding: 4px 12px; border-left: 4px solid var(--line); color: var(--muted); background: var(--soft); }
.md table { margin: 8px 0; }
.md img { max-width: 100%; }
/* 解密门 */
.gate { display: none; max-width: 360px; margin: 18vh auto; padding: 24px; border: 1px solid var(--line); border-radius: 10px; text-align: center; }
body.locked .gate { display: block; }
.gate input { width: 100%; padding: 8px; font-size: 16px; border: 1px solid var(--line); border-radius: 6px; margin: 8px 0; }
.gate button { width: 100%; padding: 8px; font-size: 16px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; cursor: pointer; }
.gate .err { color: #cf222e; min-height: 1.5em; margin: 8px 0 0; }
@media (max-width: 600px) {
  body { font-size: 15px; }
  .wrap { padding: 12px; }
  th, td { padding: 4px 6px; }
}