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

:root {
  --color-bg: #f5f3ef;
  --color-card: #ffffff;
  --color-primary: #5c7a6b;
  --color-primary-dark: #4a6357;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-border: #e8e4dd;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --max-width: 680px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 48px 20px 40px;
  text-align: center;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.site-subtitle {
  font-size: 0.875rem;
  opacity: 0.85;
  font-weight: 400;
}

.main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 20px 16px 32px;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.card h2 {
  font-size: 1.125rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  font-weight: 600;
}

.card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.section-title {
  font-size: 1.125rem;
  color: var(--color-primary-dark);
  margin: 8px 0 16px 4px;
  font-weight: 600;
}

.article time {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.article h3 {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 10px;
  font-weight: 600;
}

.article p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.about .email {
  color: var(--color-primary);
  font-size: 0.9375rem;
  margin-top: 4px;
}

.daily-list {
  list-style: none;
  margin-bottom: 12px;
}

.daily-list li {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  line-height: 1.6;
}

.daily-list li:last-child {
  border-bottom: none;
}

.daily-time {
  display: inline-block;
  min-width: 52px;
  font-weight: 600;
  color: var(--color-primary);
  margin-right: 8px;
}

.daily-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.footer {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-beian {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 10px;
}

.footer a {
  color: var(--color-text-muted);
  text-decoration: none;
}

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

.beian-divider {
  color: var(--color-border);
}

.beian-gongan {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.beian-gongan img {
  vertical-align: middle;
}

@media (min-width: 768px) {
  .site-title {
    font-size: 1.75rem;
  }

  .header {
    padding: 56px 20px 48px;
  }

  .main {
    padding: 28px 20px 40px;
  }

  .card {
    padding: 24px;
  }
}