/* 官网二级页共用样式（不依赖 Vue，供审核爬虫与无 JS 访问） */
:root {
  --color-primary: #0B1F33;
  --color-secondary: #5A6B7A;
  --color-tertiary: #0E7C86;
  --color-neutral: #F2F5F8;
  --color-surface: #FFFFFF;
  --color-outline: #C5CED6;
  --font-serif: "Source Serif 4", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Source Sans 3", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--color-neutral);
  color: var(--color-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  min-height: 100vh;
}

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

.site-header, .site-footer {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-outline);
}
.site-footer { border-bottom: 0; border-top: 1px solid var(--color-outline); margin-top: 48px; }

.site-wrap { max-width: 800px; margin: 0 auto; padding: 20px 24px; }

.site-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-primary);
  text-decoration: none;
}
.site-brand:hover { text-decoration: none; }
.site-brand small { font-family: var(--font-sans); font-size: 0.8125rem; font-weight: 400; color: var(--color-secondary); }

.site-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; font-size: 0.9375rem; }
.site-nav a { color: var(--color-primary); }
.site-nav a[aria-current="page"] { color: var(--color-tertiary); font-weight: 600; }

.site-main { max-width: 800px; margin: 0 auto; padding: 32px 24px 8px; }
.site-main h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.lede { color: var(--color-secondary); margin: 0 0 28px; font-size: 1.05rem; }

.site-main h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin: 32px 0 12px;
}
.site-main p, .site-main li { font-size: 0.975rem; }
.site-main ul { padding-left: 1.2em; }
.site-main li { margin: 6px 0; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-outline);
  border-radius: 8px;
  padding: 20px 22px;
  margin: 16px 0;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p:last-child { margin-bottom: 0; }

dl.info { margin: 0; }
dl.info dt {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
  margin-top: 14px;
}
dl.info dt:first-child { margin-top: 0; }
dl.info dd { margin: 2px 0 0; }

.muted { color: var(--color-secondary); font-size: 0.875rem; }
.site-footer .muted { margin: 8px 0 0; }
.site-footer p { margin: 0; font-size: 0.875rem; }

table.catalog {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  margin: 12px 0 20px;
}
table.catalog th, table.catalog td {
  border: 1px solid var(--color-outline);
  padding: 10px 12px;
  text-align: left;
  font-size: 0.9rem;
  vertical-align: top;
}
table.catalog th { background: #eef2f6; font-weight: 600; }
.price { font-weight: 600; color: var(--color-tertiary); white-space: nowrap; }
.notice {
  border: 1px solid var(--color-outline);
  border-left: 4px solid #b42318;
  background: var(--color-surface);
  padding: 14px 16px;
  margin: 16px 0 24px;
}