:root {
  --paper: #f7f2ea;
  --paper-deep: #eee5d8;
  --ink: #443d36;
  --muted: #7e7469;
  --line: rgba(93, 78, 62, .16);
  --accent: #b88b5a;
  --card: rgba(255,255,255,.66);
  --shadow: 0 20px 55px rgba(82,66,49,.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(255,255,255,.95), transparent 25rem),
    radial-gradient(circle at 92% 24%, rgba(218,194,158,.18), transparent 32rem),
    linear-gradient(180deg, #faf7f2 0%, var(--paper) 48%, #f4ede4 100%);
  font-family:
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    "Noto Sans CJK SC",
    system-ui,
    -apple-system,
    sans-serif;
  line-height: 1.85;
}

a {
  color: inherit;
}

.wrap {
  width: min(920px, calc(100% - 34px));
  margin: 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.site-brand {
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  padding: 88px 0 58px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .25em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-family:
    "Songti SC",
    "STSong",
    "Noto Serif CJK SC",
    serif;
  font-size: clamp(38px, 7vw, 66px);
  line-height: 1.25;
  font-weight: 500;
}

.lead {
  max-width: 700px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.section {
  margin: 36px 0 72px;
}

.section h2 {
  margin: 0 0 22px;
  font-size: 24px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.card p:last-child {
  margin-bottom: 0;
}

.card-label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.62);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.button.primary {
  color: white;
  border-color: var(--accent);
  background: var(--accent);
}

.prose {
  max-width: 760px;
}

.prose h2 {
  margin-top: 52px;
}

.prose p,
.prose li {
  color: #5f574f;
}

.meta-list {
  padding: 0;
  list-style: none;
}

.meta-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.site-footer {
  margin-top: 80px;
  padding: 30px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 10px;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 680px) {
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 58px;
  }

  .cards {
    grid-template-columns: 1fr;
  }
}