:root {
  --bg: #f5efe4;
  --bg-accent: #efe3d0;
  --card: rgba(255, 252, 247, 0.88);
  --card-border: rgba(128, 93, 56, 0.14);
  --text: #24180f;
  --text-muted: #6a5442;
  --accent: #9f5e2f;
  --accent-soft: #ead2b8;
  --shadow: 0 20px 60px rgba(73, 45, 20, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --content-width: 960px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.75), transparent 36%),
    linear-gradient(135deg, var(--bg), var(--bg-accent));
  min-height: 100vh;
}

a {
  color: inherit;
}

.page-shell {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 28px;
  background:
    linear-gradient(145deg, rgba(255, 247, 236, 0.98), rgba(241, 228, 206, 0.86)),
    rgba(255, 255, 255, 0.8);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -80px -110px auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(159, 94, 47, 0.2), transparent 68%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(159, 94, 47, 0.08);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.hero h1 {
  margin: 18px 0 12px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.04;
}

.hero p {
  max-width: 720px;
  margin: 0;
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions,
.nav-links,
.link-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 22px;
}

.link-chip,
.action-card,
.nav-link {
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.link-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(159, 94, 47, 0.16);
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent);
  font-weight: 600;
}

.link-chip:hover,
.action-card:hover,
.nav-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(73, 45, 20, 0.12);
}

.content-card {
  margin-top: 22px;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: var(--card);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.content-card h2 {
  margin: 0 0 18px;
  font-size: 26px;
}

.content-card h3 {
  margin: 28px 0 12px;
  font-size: 21px;
}

.content-card p,
.content-card li {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.92;
}

.content-card ul,
.content-card ol {
  margin: 0;
  padding-left: 22px;
}

.content-card li + li,
.content-card p + p {
  margin-top: 10px;
}

.meta {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(128, 93, 56, 0.12);
  color: var(--text-muted);
  font-size: 14px;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.action-card {
  display: block;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(128, 93, 56, 0.14);
  text-decoration: none;
}

.action-card strong {
  display: block;
  font-size: 18px;
  margin-bottom: 8px;
}

.action-card span {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 15px;
}

.nav-links {
  margin-bottom: 20px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(128, 93, 56, 0.14);
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
}

.nav-link.current {
  background: rgba(159, 94, 47, 0.12);
  color: var(--accent);
  border-color: rgba(159, 94, 47, 0.22);
}

.two-column {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 16px;
}

.callout {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(159, 94, 47, 0.08);
  border: 1px solid rgba(159, 94, 47, 0.14);
}

.callout strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.footer {
  margin-top: 26px;
  color: var(--text-muted);
  text-align: center;
  font-size: 14px;
}

@media (max-width: 860px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--content-width));
    padding: 20px 0 36px;
  }

  .hero,
  .content-card {
    padding: 22px;
  }

  .action-grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  .hero p,
  .content-card p,
  .content-card li {
    font-size: 15px;
  }
}