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

:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --blue: #1a4b7c;
  --gold: #c9a227;
  --text: #1f2933;
  --text-soft: #52606d;
  --border: #e4e7eb;
  --bg-soft: #f5f8fc;
}

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: #fff;
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* 吸顶导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(11,37,69,.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
}

/* 品牌名：Georgia 衬线，放大加宽 */
.brand {
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--navy);
  text-decoration: none;
  line-height: 1.2;
}

nav ul { list-style: none; display: flex; gap: 30px; }
nav a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 15px;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
nav a:hover { color: var(--navy); }
nav a.active { color: var(--navy); font-weight: 600; border-bottom-color: var(--navy); }

/* 首页大横幅 */
.hero {
  background:
    radial-gradient(circle at 85% 15%, rgba(201,162,39,.20), transparent 45%),
    linear-gradient(135deg, #0b2545 0%, #13315c 55%, #1a4b7c 100%);
  color: #fff;
  padding: 92px 0 100px;
}
.hero h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 40px;
  line-height: 1.2;
  letter-spacing: .5px;
  margin-bottom: 22px;
}
.hero p {
  font-size: 18px;
  color: #cbd6e2;
  max-width: 760px;
  margin-bottom: 34px;
}
.btn {
  display: inline-block;
  background: #fff;
  color: var(--navy);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 30px;
  border-radius: 4px;
  text-decoration: none;
  transition: background .2s, color .2s;
}
.btn:hover { background: var(--gold); color: #fff; }

/* 内页矮页头 */
.page-hero {
  background: linear-gradient(135deg, #0b2545 0%, #13315c 60%, #1a4b7c 100%);
  color: #fff;
  padding: 62px 0 56px;
}
.page-hero h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: .4px;
  margin-bottom: 16px;
}
.page-hero .gold-line {
  display: block;
  width: 64px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
}

/* 内容区：浅灰底 */
.page {
  background: var(--bg-soft);
  padding: 64px 0 88px;
  min-height: 320px;
}

.section-head { margin-bottom: 32px; }
.section-head h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  color: var(--navy);
  margin-bottom: 8px;
}
.section-head p { color: var(--text-soft); }

/* 卡片 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 26px;
  box-shadow: 0 4px 14px rgba(11,37,69,.06);
}
.card h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 10px;
}
.card p { font-size: 15px; color: var(--text-soft); margin: 0; }

/* 文字卡片 */
.prose {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 44px 48px;
  box-shadow: 0 4px 14px rgba(11,37,69,.06);
}
.prose p { margin-bottom: 18px; }
.prose p:last-child { margin-bottom: 0; }
.prose .updated { color: var(--text-soft); font-size: 15px; }

/* 联系信息卡片 */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.info-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px 26px;
  box-shadow: 0 4px 14px rgba(11,37,69,.06);
}
.info-item .label {
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-soft);
  font-weight: 600;
  margin-bottom: 6px;
}
.info-item .value {
  font-size: 16px;
  color: var(--navy);
  font-weight: 500;
  word-break: break-word;
}
.info-item .value a { color: var(--navy); text-decoration: none; }
.info-item .value a:hover { text-decoration: underline; }

/* 页脚 */
.site-footer {
  background: var(--navy);
  color: #a8b5c4;
  padding: 42px 0;
  font-size: 14px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer strong {
  font-family: Georgia, "Times New Roman", serif;
  color: #fff;
  font-size: 15px;
  letter-spacing: .5px;
}
.site-footer a { color: #cbd6e2; text-decoration: none; }
.site-footer a:hover { color: #fff; }

/* 手机端 */
@media (max-width: 720px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 14px; padding: 16px 20px; }
  .brand { font-size: 21px; letter-spacing: .6px; }
  nav ul { gap: 20px; flex-wrap: wrap; }
  .hero { padding: 56px 0 64px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 16px; }
  .page-hero { padding: 40px 0 36px; }
  .page-hero h1 { font-size: 25px; }
  .page { padding: 36px 0 56px; }
  .card-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .prose { padding: 26px 22px; }
  .footer-inner { flex-direction: column; }
}