/* RMGL 官网公共样式：深色主题 + 响应式，与启动器同一套配色令牌。 */
:root {
  --accent: #87CEEB;
  --accent-soft: rgba(135, 206, 235, 0.18);
  --bg: #1b1f24;
  --panel: #22282f;
  --text: #e8eef5;
  --muted: rgba(232, 238, 245, 0.62);
  --border: #333c46;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 900px; margin: 0 auto; padding: 0 22px; }

header {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  background: rgba(34, 40, 47, 0.72);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  z-index: 10;
}

header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.brand { font-size: 18px; font-weight: 600; white-space: nowrap; }
.brand span { color: var(--accent); }

nav { display: flex; gap: 16px; flex-wrap: wrap; }
nav a { color: var(--muted); font-size: 14px; }
nav a:hover { color: var(--text); text-decoration: none; }

main { padding: 36px 0 64px; }

h1 { font-size: 26px; margin-bottom: 6px; }
.meta { color: var(--muted); font-size: 13px; margin-bottom: 26px; }
h2 { font-size: 16px; color: var(--accent); margin: 26px 0 8px; }
p, li { font-size: 14px; }
ul { padding-left: 22px; margin: 8px 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
}

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }

.entry {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  color: var(--text);
  transition: border-color .15s ease, background .15s ease;
}
.entry:hover {
  text-decoration: none;
  border-color: var(--accent);
  background: var(--accent-soft);
}
.entry h3 { font-size: 15px; color: var(--accent); margin-bottom: 6px; }
.entry p { font-size: 13px; color: var(--muted); }
.entry code { font-family: Consolas, "Cascadia Mono", monospace; font-size: 12px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #10161c;
  padding: 10px 24px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
}
.btn:hover { text-decoration: none; filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }

footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  margin-top: 44px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 560px) {
  header .wrap { flex-direction: column; align-items: flex-start; gap: 10px; }
  main { padding: 24px 0 48px; }
  h1 { font-size: 22px; }
  .card { padding: 18px 16px; }
}