:root {
  --bg: #0b1013;
  --fg: #e6eef0;
  --fg-muted: #93a4a9;
  --accent: #12b886;
  --line: rgba(230, 238, 240, .12);
  --sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}

.site-name {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  letter-spacing: .2px;
}
.site-name em { font-style: normal; font-weight: 500; color: var(--fg-muted); margin-left: 6px; }

.wrap { width: min(1040px, 92vw); margin-inline: auto; }

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

.site-footer {
  background: #070c0e;
  border-top: 1px solid var(--line);
  padding: 22px 0;
  font-size: 14px;
  color: var(--fg-muted);
  text-align: center;
}
.site-footer p { margin: 0; }

.sep { margin-inline: 12px; color: var(--line); }

.police { display: inline-flex; align-items: center; gap: 6px; }
.police::before {
  content: "";
  width: 15px; height: 15px;
  background: var(--fg-muted);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 4 5v6c0 5 3.4 9.3 8 11 4.6-1.7 8-6 8-11V5l-8-3Z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 4 5v6c0 5 3.4 9.3 8 11 4.6-1.7 8-6 8-11V5l-8-3Z'/%3E%3C/svg%3E") center/contain no-repeat;
}

@media (max-width: 600px) {
  .sep { display: block; visibility: hidden; height: 0; }
}