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

body { 
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif; 
  overflow-x: hidden; 
  background: #faf7f2; 
  color: #2d2a24; 
  line-height: 1.6; 
}

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

.section { 
  padding: 80px 0; 
  position: relative; 
}

.section:nth-child(even) { 
  background: #f5f0e8; 
}

/* 导航 — 纸质撕边效果 */
.site-header { 
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  z-index: 1000; 
  background: rgba(250, 247, 242, 0.92); 
  backdrop-filter: blur(12px); 
  border-bottom: 2px dashed #c4a882; 
}

.header-inner { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  height: 68px; 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 24px; 
}

.logo { 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  font-weight: 800; 
  font-size: 1.3rem; 
  text-decoration: none; 
  color: #2d2a24; 
  letter-spacing: -0.5px; 
}

.logo-icon { 
  width: 40px; 
  height: 40px; 
  background: #e8d5b5; 
  border-radius: 50%; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-size: 1.2rem; 
  color: #5a4a3a; 
  border: 2px solid #b8a080; 
}

.main-nav { 
  display: flex; 
  align-items: center; 
  gap: 28px; 
  list-style: none; 
}

.main-nav a { 
  text-decoration: none; 
  font-size: 0.9rem; 
  font-weight: 600; 
  color: #5a4a3a; 
  transition: 0.2s; 
  letter-spacing: 0.3px; 
  position: relative; 
}

.main-nav a::after { 
  content: ''; 
  position: absolute; 
  bottom: -4px; 
  left: 0; 
  width: 0; 
  height: 2px; 
  background: #c4a882; 
  transition: 0.3s; 
}

.main-nav a:hover::after { 
  width: 100%; 
}

.nav-cta { 
  padding: 8px 22px; 
  border-radius: 0; 
  background: #2d2a24; 
  color: #faf7f2 !important; 
  font-weight: 700; 
  border: 2px solid #2d2a24; 
  transition: 0.2s; 
}

.nav-cta:hover { 
  background: #5a4a3a; 
  border-color: #5a4a3a; 
}

.menu-toggle { 
  display: none; 
  background: none; 
  border: 2px solid #2d2a24; 
  padding: 8px 12px; 
  font-size: 1.2rem; 
  cursor: pointer; 
  color: #2d2a24; 
}

/* Hero — 杂志封面风格 */
.hero { 
  min-height: 70vh; 
  display: flex; 
  align-items: center; 
  background: #faf7f2; 
  position: relative; 
  overflow: hidden; 
}

.hero::before { 
  content: ''; 
  position: absolute; 
  top: -60px; 
  right: -80px; 
  width: 400px; 
  height: 400px; 
  background: #e8d5b5; 
  border-radius: 50%; 
  opacity: 0.3; 
}

.hero-content { 
  max-width: 720px; 
  position: relative; 
  z-index: 1; 
}

.hero-eyebrow { 
  display: inline-block; 
  font-size: 0.75rem; 
  font-weight: 700; 
  padding: 6px 16px; 
  border: 2px solid #c4a882; 
  color: #5a4a3a; 
  margin-bottom: 20px; 
  letter-spacing: 2px; 
  text-transform: uppercase; 
}

.hero h1 { 
  font-size: 3.2rem; 
  line-height: 1.1; 
  margin-bottom: 20px; 
  font-weight: 900; 
  letter-spacing: -1.5px; 
  color: #2d2a24; 
}

.hero p { 
  font-size: 1.1rem; 
  opacity: 0.75; 
  max-width: 560px; 
  margin-bottom: 36px; 
  color: #5a4a3a; 
  font-weight: 400; 
}

.hero-buttons { 
  display: flex; 
  gap: 16px; 
}

.hero-image { 
  border-radius: 0; 
  overflow: hidden; 
  border: 3px solid #2d2a24; 
  box-shadow: 8px 8px 0 #c4a882; 
}

.hero-image img { 
  width: 100%; 
  height: auto; 
  display: block; 
}

/* 按钮 — 粗犷印刷风格 */
.btn { 
  display: inline-flex; 
  align-items: center; 
  gap: 10px; 
  padding: 14px 32px; 
  border-radius: 0; 
  font-weight: 700; 
  cursor: pointer; 
  border: 2px solid #2d2a24; 
  text-decoration: none; 
  transition: 0.2s; 
  font-size: 0.9rem; 
  letter-spacing: 0.5px; 
}

.btn-primary { 
  background: #2d2a24; 
  color: #faf7f2; 
}

.btn-primary:hover { 
  background: #5a4a3a; 
  border-color: #5a4a3a; 
}

.btn-outline { 
  background: transparent; 
  border: 2px solid #2d2a24; 
  color: #2d2a24; 
}

.btn-outline:hover { 
  background: #2d2a24; 
  color: #faf7f2; 
}

/* 标签/标题 — 手写感 */
.section-label { 
  display: inline-block; 
  font-size: 0.7rem; 
  font-weight: 800; 
  letter-spacing: 3px; 
  margin-bottom: 14px; 
  color: #8a7a6a; 
  text-transform: uppercase; 
  border-bottom: 2px solid #c4a882; 
  padding-bottom: 4px; 
}

.section-title { 
  font-size: 2.4rem; 
  margin-bottom: 14px; 
  font-weight: 900; 
  letter-spacing: -1px; 
  color: #2d2a24; 
}

.section-desc { 
  max-width: 600px; 
  opacity: 0.7; 
  margin-bottom: 40px; 
  color: #5a4a3a; 
}

/* 卡片网格 — 撕纸叠层 */
.cards-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); 
  gap: 24px; 
}

.category-card { 
  border-radius: 0; 
  padding: 32px; 
  border: 2px solid #2d2a24; 
  background: #fff; 
  transition: 0.2s; 
  position: relative; 
  box-shadow: 4px 4px 0 #c4a882; 
}

.category-card:hover { 
  transform: translate(-2px, -2px); 
  box-shadow: 8px 8px 0 #b8a080; 
}

.card-icon { 
  width: 52px; 
  height: 52px; 
  border-radius: 0; 
  border: 2px solid #2d2a24; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  margin-bottom: 18px; 
  font-size: 1.4rem; 
  background: #f5f0e8; 
}

.card-link { 
  font-weight: 700; 
  font-size: 0.85rem; 
  text-decoration: none; 
  color: #2d2a24; 
  border-bottom: 2px solid #c4a882; 
  padding-bottom: 2px; 
}

/* 特性块 */
.feature-block { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 56px; 
  align-items: center; 
}

.feature-image { 
  border-radius: 0; 
  overflow: hidden; 
  border: 3px solid #2d2a24; 
  box-shadow: 6px 6px 0 #c4a882; 
}

.feature-image img { 
  width: 100%; 
  height: auto; 
  display: block; 
}

.feature-text { }

.feature-list { 
  list-style: none; 
}

.feature-list li { 
  padding: 8px 0; 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  font-weight: 500; 
  border-bottom: 1px dashed #d4c8b8; 
}

.feature-list li::before { 
  content: '✕'; 
  font-weight: 900; 
  color: #c4a882; 
  font-size: 1.1rem; 
}

/* 数据条 — 复古标尺 */
.stats-bar { 
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  gap: 24px; 
  text-align: center; 
}

.stat-item { 
  padding: 28px 20px; 
  border-radius: 0; 
  border: 2px solid #2d2a24; 
  background: #fff; 
  position: relative; 
}

.stat-item::before { 
  content: '—'; 
  position: absolute; 
  top: -10px; 
  left: 50%; 
  transform: translateX(-50%); 
  background: #faf7f2; 
  padding: 0 8px; 
  color: #c4a882; 
  font-weight: 700; 
}

.stat-number { 
  font-size: 2.6rem; 
  font-weight: 900; 
  color: #2d2a24; 
  letter-spacing: -2px; 
}

.stat-label { 
  font-size: 0.85rem; 
  opacity: 0.6; 
  margin-top: 6px; 
  text-transform: uppercase; 
  letter-spacing: 1px; 
}

/* 内容墙 — 报纸拼贴 */
.content-wall { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
  gap: 24px; 
}

.content-wall-item { 
  border-radius: 0; 
  overflow: hidden; 
  border: 2px solid #2d2a24; 
  background: #fff; 
  transition: 0.2s; 
  box-shadow: 3px 3px 0 #c4a882; 
}

.content-wall-item:hover { 
  transform: translate(-2px, -2px); 
  box-shadow: 6px 6px 0 #b8a080; 
}

.content-wall-item img { 
  width: 100%; 
  height: 200px; 
  object-fit: cover; 
  border-bottom: 2px solid #2d2a24; 
}

.content-wall-body { 
  padding: 20px; 
}

.content-wall-body h3 { 
  font-size: 1.1rem; 
  font-weight: 700; 
  margin-bottom: 8px; 
}

.content-wall-body p { 
  font-size: 0.9rem; 
  opacity: 0.7; 
}

/* FAQ — 折叠信纸 */
.faq-list { 
  max-width: 800px; 
  margin: 0 auto; 
}

.faq-item { 
  border: 2px solid #2d2a24; 
  border-radius: 0; 
  margin-bottom: 10px; 
  overflow: hidden; 
  cursor: pointer; 
  background: #fff; 
}

.faq-item .faq-question { 
  padding: 18px 22px; 
  font-weight: 700; 
  display: flex; 
  justify-content: space-between; 
  background: #f5f0e8; 
  font-size: 1rem; 
  color: #2d2a24; 
}

.faq-item .faq-question::after { 
  content: '+'; 
  font-size: 1.4rem; 
  font-weight: 300; 
  color: #c4a882; 
}

.faq-item.open .faq-question::after { 
  content: '−'; 
}

.faq-item .faq-answer { 
  padding: 0 22px 18px; 
  display: none; 
  opacity: 0.75; 
  line-height: 1.7; 
  color: #5a4a3a; 
}

.faq-item.open .faq-answer { 
  display: block; 
}

/* CTA横幅 — 粗体声明 */
.cta-banner { 
  padding: 60px 24px; 
  text-align: center; 
  border-radius: 0; 
  background: #2d2a24; 
  color: #faf7f2; 
  border: 3px solid #c4a882; 
  position: relative; 
}

.cta-banner::before { 
  content: '⚠'; 
  position: absolute; 
  top: -18px; 
  left: 50%; 
  transform: translateX(-50%); 
  background: #faf7f2; 
  padding: 0 12px; 
  font-size: 1.6rem; 
  color: #c4a882; 
}

.cta-banner h2 { 
  color: #faf7f2; 
  font-size: 2rem; 
  font-weight: 900; 
  letter-spacing: -1px; 
}

.cta-banner .btn-primary { 
  background: #faf7f2; 
  color: #2d2a24; 
  border-color: #faf7f2; 
}

.cta-banner .btn-primary:hover { 
  background: #c4a882; 
  border-color: #c4a882; 
  color: #2d2a24; 
}

/* 页脚 — 粗糙纹理 */
.site-footer { 
  padding: 56px 0 28px; 
  background: #2d2a24; 
  color: #d4c8b8; 
  border-top: 4px solid #c4a882; 
}

.site-footer .container { }

.footer-grid { 
  display: grid; 
  grid-template-columns: 2fr 1fr 1fr 1fr; 
  gap: 40px; 
}

.footer-brand { 
  font-size: 0.95rem; 
  line-height: 1.8; 
}

.footer-col { }

.footer-col h4 { 
  color: #faf7f2; 
  font-weight: 700; 
  margin-bottom: 14px; 
  font-size: 1rem; 
  border-bottom: 2px solid #c4a882; 
  padding-bottom: 6px; 
  display: inline-block; 
}

.footer-col a { 
  display: block; 
  color: #b8a080; 
  text-decoration: none; 
  padding: 4px 0; 
  font-size: 0.9rem; 
  transition: 0.2s; 
}

.footer-col a:hover { 
  color: #e8d5b5; 
}

.footer-bottom { 
  border-top: 2px solid #4a3a2a; 
  margin-top: 40px; 
  padding-top: 20px; 
  text-align: center; 
  font-size: 0.8rem; 
  color: #8a7a6a; 
}

/* 工具类 */
.text-accent { 
  color: #c4a882; 
}

.text-center { 
  text-align: center; 
}

.seo-description { 
  max-width: 600px; 
  margin: 0 auto 48px; 
  opacity: 0.7; 
  color: #5a4a3a; 
}

.mt-0 { 
  margin-top: 0; 
}

.mb-0 { 
  margin-bottom: 0; 
}

/* 装饰性分割线 */
.section-divider { 
  width: 80px; 
  height: 3px; 
  background: #c4a882; 
  margin: 24px 0; 
}

/* 背景纹理 — 细微噪点 */
.section::after { 
  content: ''; 
  position: absolute; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%; 
  pointer-events: none; 
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E"); 
  opacity: 0.4; 
}

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { 
    grid-template-columns: 1fr; 
  }
  
  .stats-bar { 
    grid-template-columns: repeat(2, 1fr); 
  }
  
  .footer-grid { 
    grid-template-columns: 1fr 1fr; 
  }
  
  .main-nav { 
    display: none; 
  }
  
  .menu-toggle { 
    display: flex; 
  }
  
  .main-nav.open { 
    display: flex; 
    flex-direction: column; 
    position: absolute; 
    top: 68px; 
    left: 0; 
    width: 100%; 
    background: #faf7f2; 
    padding: 24px; 
    border-bottom: 2px solid #c4a882; 
  }
  
  .hero h1 { 
    font-size: 2.2rem; 
  }
  
  .section-title { 
    font-size: 1.8rem; 
  }
}

@media (max-width: 480px) {
  .cards-grid, 
  .content-wall, 
  .stats-bar { 
    grid-template-columns: 1fr; 
  }
  
  .footer-grid { 
    grid-template-columns: 1fr; 
  }
  
  .hero-buttons { 
    flex-direction: column; 
  }
  
  .hero h1 { 
    font-size: 1.8rem; 
  }
}