:root {
  --primary: #8c5a2b;
  --primary-dark: #5f3a1d;
  --accent: #d9b36d;
  --text: #2f241d;
  --muted: #7a6f63;
  --bg: #f7f2ea;
  --white: #ffffff;
  --border: #e8dccf;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fcf7f0 0%, var(--bg) 100%);
  line-height: 1.7;
}

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

.hero {
  background: linear-gradient(135deg, #23170f 0%, #5f3a1d 45%, #a46b33 100%);
  color: var(--white);
  padding: 20px 24px 80px;
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 1.3rem;
  font-weight: bold;
  letter-spacing: 1px;
  color: var(--white);
}

.nav-links a {
  margin-left: 20px;
  color: rgba(255,255,255,0.9);
}

.hero-content {
  max-width: 1200px;
  margin: 60px auto 0;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  margin: 8px 0 16px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.8rem;
  color: var(--accent);
  margin: 0;
}

.hero-actions {
  margin-top: 24px;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 999px;
  margin-right: 12px;
  font-weight: 600;
}

.btn-primary {
  background: var(--accent);
  color: #2f241d;
}

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--white);
}

.hero-card {
  background: rgba(255,255,255,0.12);
  padding: 24px;
  border-radius: 16px;
  backdrop-filter: blur(6px);
}

.hero-card ul {
  padding-left: 20px;
  margin: 8px 0 0;
}

.stats {
  max-width: 1200px;
  margin: -35px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 0 24px;
}

.stats > div {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

.stats strong {
  display: block;
  font-size: 1.35rem;
  color: var(--primary);
}

.section {
  max-width: 1200px;
  margin: 80px auto 0;
  padding: 0 24px;
}

.section-alt {
  margin-top: 60px;
}

.section-title {
  text-align: center;
  margin-bottom: 30px;
}

.section-title h2 {
  margin-top: 8px;
  font-size: 1.9rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card,
.feature-item {
  background: var(--white);
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 20px rgba(0,0,0,0.04);
}

.card-image {
  overflow: hidden;
  border-radius: 14px;
  margin-bottom: 18px;
}

.card-image img,
.feature-image img {
  width: 100%;
  display: block;
}

.feature-image {
  overflow: hidden;
  border-radius: 14px;
  margin-bottom: 16px;
  height: 180px;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cta {
  max-width: 1200px;
  margin: 80px auto;
  padding: 40px 24px;
  background: #f3e3c9;
  border-radius: 24px;
  text-align: center;
}

footer {
  text-align: center;
  padding: 30px 20px 50px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-content,
  .card-grid,
  .feature-list,
  .stats {
    grid-template-columns: 1fr;
  }

  .stats {
    margin-top: 20px;
  }

  .hero {
    padding-bottom: 40px;
  }
}