:root {
  --bg: #0a0c17;
  --text-main: #e8eaf6;
  --text-sub: rgba(232, 234, 246, 0.55);
  --accent: #8ab4ff;
  --border: rgba(138, 180, 255, 0.18);
}

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

html, body {
  min-height: 100%;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(64, 90, 224, 0.12), transparent 70%),
    var(--bg);
  color: var(--text-main);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.6;
}

.mb-header {
  text-align: center;
  padding: 56px 24px 24px;
}

.mb-header h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-shadow: 0 0 24px rgba(138, 180, 255, 0.35);
}

.mb-header p {
  margin-top: 10px;
  color: var(--text-sub);
  letter-spacing: 0.1em;
}

.mb-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.mb-footer {
  text-align: center;
  padding: 24px;
  font-size: 13px;
  color: var(--text-sub);
  letter-spacing: 0.15em;
}

.mb-footer a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.3s ease;
}

.mb-footer a:hover {
  color: var(--accent);
}

/* 让 Artalk 容器在深色背景下更协调 */
#Comments {
  margin-top: 8px;
}