* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #eef2f3;
  color: #15212b;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1080px, calc(100% - 28px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid rgba(21, 33, 43, 0.1);
  background: rgba(247, 244, 237, 0.9);
}

.header-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
}

.brand {
  font-weight: 900;
  color: #092b35;
}

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a,
.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 800;
}

.nav a {
  color: #607071;
  background: rgba(255, 255, 252, 0.7);
}

.hero {
  padding: 46px 0 22px;
}

.hero-card,
.content-card {
  border: 1px solid rgba(21, 33, 43, 0.09);
  border-radius: 24px;
  background: rgba(255, 255, 252, 0.9);
  box-shadow: 0 18px 48px rgba(21, 33, 43, 0.08);
}

.hero-card {
  padding: 32px;
}

.kicker {
  margin: 0 0 8px;
  color: #a87836;
  font-size: 14px;
  font-weight: 900;
}

h1 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.18;
}

.lead {
  max-width: 760px;
  color: #607071;
  font-size: 17px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.primary-link {
  background: #143c48;
  color: #fff;
}

.secondary-link {
  background: #e3edf0;
  color: #143c48;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 16px 0 36px;
}

.content-card {
  padding: 20px;
}

.content-card h2 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.35;
}

.content-card ul {
  margin: 0;
  padding-left: 18px;
  color: #607071;
}

.content-card p {
  margin: 0;
  color: #607071;
}

.link-list {
  display: grid;
  gap: 8px;
}

.link-list a {
  color: #143c48;
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid rgba(21, 33, 43, 0.08);
  padding: 18px 0 28px;
  color: #607071;
  font-size: 13px;
}

@media (max-width: 760px) {
  .header-row,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .header-row {
    display: grid;
    align-items: start;
  }

  .hero-card {
    padding: 24px;
  }
}