/* zcbot web — minimal sane defaults. Phase G 渐进扩。 */
:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --fg: #1a1a1a;
  --muted: #888;
  --border: #e5e5e5;
  --accent: #c00;          /* 商务红,延续 ppt skill 配色 */
  --accent-soft: #fceaea;
  --link: #0a58ca;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); background: var(--accent-soft); padding: 0 .25em; border-radius: 3px; color: var(--accent); }
small.muted, .muted { color: var(--muted); font-weight: normal; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: .65rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 700;
  color: var(--accent);
  font-size: 1.1rem;
}
.brand:hover { text-decoration: none; }
.navlinks { display: flex; gap: 1rem; flex: 1; }
.user-tag {
  font-size: .75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: .1em .5em;
  border-radius: 3px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}

h1 { font-size: 1.5rem; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.lead { font-size: 1rem; color: #444; }
.status ul { padding-left: 1.25rem; }
.status li { margin: .25rem 0; }