*, *::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: #f5f1eb; 
  color: #2d2a24;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#faf7f2; }

/* 导航 — 固定顶部 — 杂志风纸条效果 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(245,241,235,0.93); 
  backdrop-filter:blur(14px) saturate(1.4); 
  border-bottom: 2px solid #e8d9cc;
}
.header-inner { 
  display:flex; align-items:center; justify-content:space-between; 
  height:72px; max-width:1200px; margin:0 auto; padding:0 24px; 
}
.logo { 
  display:flex; align-items:center; gap:10px; 
  font-weight:800; font-size:1.1rem; text-decoration:none; 
  color:#2d2a24; letter-spacing: 1px;
}
.logo-icon { 
  width:40px; height:40px; border-radius:50%; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1rem; background: #d9c9b8; color:#2d2a24;
}
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.8rem; font-weight:500; 
  transition:0.2s; color:#5a5348; letter-spacing: 0.5px;
  text-transform: uppercase; position: relative;
}
.main-nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; 
  height: 2px; background: #b8a48c; transition: 0.3s;
}
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color:#2d2a24; }
.nav-cta { 
  padding:8px 24px; border-radius:0px; color:#f5f1eb!important; 
  font-weight:600; background:#2d2a24; letter-spacing: 1px;
}
.nav-cta:hover { background:#4a433b; }
.nav-cta::after { display: none !important; }
.menu-toggle { display:none; }

/* 首页Hero — 极简杂志封面感 */
.hero { 
  min-height:80vh; display:flex; align-items:center; 
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 0; right: 0; 
  width: 40%; height: 100%; background: #e8d9cc; z-index: 0;
}
.hero-content { max-width:680px; position: relative; z-index: 1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.7rem; font-weight:700; 
  padding:6px 18px; border-radius:0px; margin-bottom:20px; 
  background: #2d2a24; color: #f5f1eb; letter-spacing: 2px;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.1; margin-bottom:18px; 
  font-weight: 800; letter-spacing: -1px; color: #2d2a24;
}
.hero p { 
  font-size:1rem; opacity:0.8; max-width:520px; margin-bottom:36px; 
  line-height: 1.6; color: #4a433b;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:0px; overflow:hidden; position: relative; z-index: 1;
}
.hero-image img { width:100%; height:auto; filter: grayscale(0.3) contrast(1.05); }

/* 按钮 — 粗野主义感 */
.btn { 
  display:inline-flex; align-items:center; gap:10px; 
  padding:14px 32px; border-radius:0px; font-weight:700; 
  cursor:pointer; border:none; text-decoration:none; transition:0.2s; 
  letter-spacing: 1px; font-size: 0.85rem;
}
.btn-primary { color:#f5f1eb; background:#2d2a24; }
.btn-primary:hover { background:#4a433b; transform: translateY(-2px); }
.btn-outline { 
  background:transparent; border:2px solid #2d2a24; color:#2d2a24; 
}
.btn-outline:hover { background:#2d2a24; color:#f5f1eb; }

/* 标签/标题 — 杂志大字号 */
.section-label { 
  display:inline-block; font-size:0.65rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:14px; color:#8a7a68; 
  text-transform: uppercase;
}
.section-title { 
  font-size:2.4rem; margin-bottom:12px; font-weight: 800; 
  letter-spacing: -0.5px; color: #2d2a24;
}
.section-desc { max-width:600px; opacity:0.7; margin-bottom:48px; color:#5a5348; }

/* 卡片网格 — 悬浮纸条卡 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:20px; }
.category-card { 
  border-radius:0px; padding:32px; 
  border: 2px solid #ddd6cb; background: #faf7f2; 
  transition:0.3s; position: relative;
}
.category-card::before {
  content: ''; position: absolute; top: 8px; left: 8px; 
  width: 100%; height: 100%; background: #e8d9cc; z-index: -1; 
  transition: 0.3s;
}
.category-card:hover { transform:translate(-4px, -4px); box-shadow:none; }
.category-card:hover::before { top: 12px; left: 12px; }
.card-icon { 
  width:56px; height:56px; border-radius:0px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.5rem; background:#2d2a24; color:#f5f1eb;
}
.card-link { font-weight:700; font-size:0.8rem; text-decoration:none; color:#2d2a24; letter-spacing:0.5px; }

/* 特性块 — 左右分栏粗体 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image { border-radius:0px; overflow:hidden; border: 2px solid #ddd6cb; }
.feature-image img { width:100%; height:auto; filter: grayscale(0.2); }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { 
  padding:10px 0; display:flex; align-items:center; gap:10px; 
  font-weight: 500; border-bottom: 1px solid #e8d9cc;
}
.feature-list li::before { 
  content:'→'; font-weight:700; color:#8a7a68; 
}

/* 数据条 — 粗野网格 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; text-align:center; }
.stat-item { 
  padding:32px 16px; border-radius:0px; 
  border: 2px solid #ddd6cb; background: #faf7f2;
}
.stat-number { font-size:2.8rem; font-weight:900; color:#2d2a24; letter-spacing:-1px; }
.stat-label { font-size:0.8rem; opacity:0.6; margin-top:8px; text-transform:uppercase; letter-spacing:1px; }

/* 内容墙 — 杂志网格 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.content-wall-item { 
  border-radius:0px; overflow:hidden; 
  border: 2px solid #ddd6cb; background: #faf7f2; 
  transition:0.3s;
}
.content-wall-item:hover { transform:translate(-3px, -3px); box-shadow: 8px 8px 0 #e8d9cc; }
.content-wall-item img { width:100%; height:200px; object-fit:cover; filter: grayscale(0.3); }
.content-wall-body { padding:24px; }

/* FAQ — 极简折叠 */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border: 2px solid #ddd6cb; border-radius:0px; 
  margin-bottom:8px; overflow:hidden; cursor:pointer; 
  background: #faf7f2; transition: 0.2s;
}
.faq-item:hover { border-color: #b8a48c; }
.faq-item .faq-question { 
  padding:18px 24px; font-weight:700; display:flex; 
  justify-content:space-between; color:#2d2a24;
}
.faq-item .faq-question::after { content:'+'; font-size:1.2rem; font-weight:300; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { 
  padding:0 24px 18px; display:none; opacity:0.7; 
  color:#4a433b; line-height:1.6;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 — 重磅色块 */
.cta-banner { 
  padding:64px 24px; text-align:center; border-radius:0px; 
  color:#f5f1eb; background: #2d2a24; position: relative;
}
.cta-banner::before {
  content: ''; position: absolute; top: 8px; left: 8px; 
  width: 100%; height: 100%; border: 2px solid #f5f1eb; z-index: 0;
}
.cta-banner h2 { color:#f5f1eb; font-size:2rem; position: relative; z-index: 1; }
.cta-banner .btn-primary { 
  background:#f5f1eb; color:#2d2a24; position: relative; z-index: 1;
}
.cta-banner .btn-primary:hover { background:#e8d9cc; }

/* 页脚 — 杂志底部 */
.site-footer { 
  padding:64px 0 32px; background: #2d2a24; color: #c4b8a8;
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand { }
.footer-col { }
.footer-col a { color: #c4b8a8; text-decoration: none; font-size:0.85rem; display: block; margin-bottom: 8px; }
.footer-col a:hover { color: #f5f1eb; }
.footer-bottom { 
  border-top: 1px solid rgba(196,184,168,0.2); margin-top:48px; 
  padding-top:24px; text-align:center; font-size:0.8rem; color: #8a7a68;
}

/* 工具类 */
.text-accent { color: #8a7a68; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color:#5a5348; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; align-items:center; cursor:pointer; font-size:1.2rem; }
  .main-nav.open { 
    display:flex; flex-direction:column; position:absolute; 
    top:72px; left:0; width:100%; background:#f5f1eb; 
    padding:24px; border-bottom: 2px solid #e8d9cc;
  }
  .hero h1 { font-size:2.2rem; }
  .hero::before { width: 100%; height: 30%; top: auto; bottom: 0; }
}
@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; }
}