/* OpenClaw 站点统一视觉 — 导航与页面基底 */
:root {
  --oc-bg: #f2efe8;
  --oc-bg-accent: #e4ece6;
  --oc-surface: #fffcf7;
  --oc-ink: #1a1f1c;
  --oc-muted: #5c6560;
  --oc-line: #d5d0c6;
  --oc-accent: #0d7377;
  --oc-accent-soft: #d7ebe9;
  --oc-warn: #9a5b12;
  --oc-bad: #b42318;
  --oc-ok: #1f7a4c;
  --oc-shadow: 0 10px 30px rgba(26, 31, 28, 0.06);
  --oc-radius: 10px;
  --oc-font: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Segoe UI", sans-serif;
  --oc-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --oc-nav-h: 56px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(900px 420px at 8% -8%, var(--oc-bg-accent) 0%, transparent 55%),
    linear-gradient(180deg, #ebe7de 0%, var(--oc-bg) 38%, #e8e4db 100%);
  color: var(--oc-ink);
  font: 15px/1.55 var(--oc-font);
}
a { color: var(--oc-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.oc-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--oc-nav-h);
  padding: 0.55rem 1.25rem;
  background: rgba(255, 252, 247, 0.92);
  border-bottom: 1px solid var(--oc-line);
  backdrop-filter: blur(10px);
}
.oc-nav-brand {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  margin-right: 0.5rem;
  text-decoration: none;
  color: inherit;
}
.oc-nav-brand:hover { text-decoration: none; }
.oc-nav-brand strong {
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.oc-nav-brand span {
  font-size: 0.68rem;
  color: var(--oc-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.oc-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-left: auto;
}
.oc-nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--oc-muted);
  font-size: 0.86rem;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.oc-nav-links a:hover {
  color: var(--oc-ink);
  background: var(--oc-accent-soft);
  text-decoration: none;
}
.oc-nav-links a.active {
  color: #fff;
  background: var(--oc-accent);
  border-color: var(--oc-accent);
}

.oc-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3.5rem;
}
.oc-wrap.narrow { max-width: 860px; }
.oc-wrap.wide { max-width: 1200px; }

.oc-mast {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--oc-line);
}
.oc-mast .kicker {
  margin: 0;
  color: var(--oc-accent);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.oc-mast h1 {
  margin: 0.35rem 0 0.35rem;
  font-size: clamp(1.55rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}
.oc-mast p {
  margin: 0;
  color: var(--oc-muted);
}

.oc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.oc-card {
  display: block;
  background: var(--oc-surface);
  border: 1px solid var(--oc-line);
  border-radius: var(--oc-radius);
  padding: 1.15rem 1.2rem;
  box-shadow: var(--oc-shadow);
  color: inherit;
  text-decoration: none;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.oc-card:hover {
  transform: translateY(-2px);
  border-color: var(--oc-accent);
  text-decoration: none;
}
.oc-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}
.oc-card p {
  margin: 0;
  color: var(--oc-muted);
  font-size: 0.92rem;
}
.oc-card .oc-card-go {
  display: inline-block;
  margin-top: 0.85rem;
  color: var(--oc-accent);
  font-size: 0.86rem;
}

.oc-panel {
  background: var(--oc-surface);
  border: 1px solid var(--oc-line);
  border-radius: var(--oc-radius);
  padding: 1.1rem 1.2rem;
  margin-bottom: 1rem;
  box-shadow: var(--oc-shadow);
}
.oc-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--oc-line);
  color: var(--oc-muted);
  font-size: 0.8rem;
}

.oc-frame-wrap {
  margin: 0;
  padding: 0 0 1rem;
}
.oc-frame {
  width: 100%;
  min-height: calc(100vh - var(--oc-nav-h) - 2rem);
  border: 1px solid var(--oc-line);
  border-radius: var(--oc-radius);
  background: #fff;
  box-shadow: var(--oc-shadow);
}

@media (max-width: 720px) {
  .oc-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.55rem;
    padding: 0.7rem 0.9rem;
  }
  .oc-nav-links { margin-left: 0; }
}