/* 基础重置 */
*, *::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: #f5f0eb; 
  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:#eae3da; }

/* 导航 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(245,240,235,0.92); 
  backdrop-filter:blur(12px); 
  border-bottom:2px solid #d4c9bc; 
}
.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:1.3rem; 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:1.2rem; background:#c7a87b; color:#fff; 
}
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:600; 
  color:#5a4f42; letter-spacing:0.5px; transition:0.3s; 
  position:relative; padding-bottom:4px; 
}
.main-nav a::after {
  content:''; position:absolute; bottom:0; left:0; width:0; 
  height:2px; background:#c7a87b; transition:0.3s;
}
.main-nav a:hover::after { width:100%; }
.main-nav a:hover { color:#2d2a24; }
.nav-cta { 
  padding:10px 24px; border-radius:50px; 
  background:#c7a87b; color:#fff!important; font-weight:700; 
  border:2px solid #c7a87b; transition:0.3s; 
}
.nav-cta:hover { background:#b8996a; border-color:#b8996a; }
.menu-toggle { display:none; }

/* Hero */
.hero { 
  min-height:75vh; display:flex; align-items:center; 
  position:relative; overflow:hidden; 
}
.hero::before {
  content:''; position:absolute; top:-30%; right:-20%; 
  width:500px; height:500px; border-radius:50%; 
  background:radial-gradient(circle, rgba(199,168,123,0.15) 0%, transparent 70%);
  pointer-events:none;
}
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.8rem; font-weight:700; 
  padding:6px 18px; border-radius:30px; margin-bottom:20px; 
  background:#c7a87b; color:#fff; letter-spacing:2px; text-transform:uppercase;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.15; margin-bottom:20px; 
  font-weight:900; letter-spacing:-1px; color:#1f1c18; 
}
.hero p { 
  font-size:1.1rem; opacity:0.65; max-width:560px; margin-bottom:36px; 
  line-height:1.8; color:#4a4036; 
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { border-radius:20px; overflow:hidden; box-shadow:0 20px 60px rgba(0,0,0,0.08); }

/* 按钮 */
.btn { 
  display:inline-flex; align-items:center; gap:10px; 
  padding:14px 32px; border-radius:50px; font-weight:700; 
  cursor:pointer; border:none; text-decoration:none; 
  transition:0.3s; font-size:0.95rem; letter-spacing:0.5px;
}
.btn-primary { 
  background:#c7a87b; color:#fff; 
  box-shadow:0 4px 20px rgba(199,168,123,0.3);
}
.btn-primary:hover { 
  background:#b8996a; transform:translateY(-2px); 
  box-shadow:0 6px 30px rgba(199,168,123,0.4);
}
.btn-outline { 
  background:transparent; border:2px solid #c7a87b; 
  color:#2d2a24; 
}
.btn-outline:hover { background:#c7a87b; color:#fff; }

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.75rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:14px; 
  color:#c7a87b; text-transform:uppercase; 
}
.section-title { 
  font-size:2.4rem; margin-bottom:16px; 
  font-weight:900; letter-spacing:-0.5px; color:#1f1c18; 
}
.section-desc { max-width:600px; opacity:0.65; margin-bottom:48px; line-height:1.8; }

/* 卡片网格 */
.cards-grid { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:28px; 
}
.category-card { 
  border-radius:20px; padding:32px; 
  background:#fff; border:1px solid #e0d6ca; 
  transition:0.4s; position:relative; overflow:hidden; 
}
.category-card::before {
  content:''; position:absolute; top:0; left:0; width:4px; 
  height:100%; background:#c7a87b; transform:scaleY(0); 
  transform-origin:bottom; transition:0.4s;
}
.category-card:hover::before { transform:scaleY(1); }
.category-card:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 40px rgba(199,168,123,0.15); 
  border-color:#c7a87b; 
}
.card-icon { 
  width:56px; height:56px; border-radius:16px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:20px; font-size:1.5rem; 
  background:#f5f0eb; color:#c7a87b; 
}
.card-link { 
  font-weight:700; font-size:0.85rem; text-decoration:none; 
  color:#c7a87b; display:inline-flex; align-items:center; gap:6px;
  transition:0.3s;
}
.card-link:hover { gap:12px; }

/* 特性块 */
.feature-block { 
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; 
}
.feature-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow:0 20px 60px rgba(0,0,0,0.06); 
}
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }
.feature-list { list-style:none; margin-top:24px; }
.feature-list li { 
  padding:10px 0; display:flex; align-items:center; gap:12px; 
  font-weight:500; font-size:1.05rem; 
}
.feature-list li::before { 
  content:'✦'; font-weight:700; color:#c7a87b; font-size:1.2rem; 
}

/* 数据条 */
.stats-bar { 
  display:grid; grid-template-columns:repeat(4,1fr); gap:28px; text-align:center; 
}
.stat-item { 
  padding:32px 20px; border-radius:20px; 
  background:#fff; border:1px solid #e0d6ca; 
  transition:0.3s; 
}
.stat-item:hover { 
  transform:translateY(-4px); 
  box-shadow:0 8px 30px rgba(199,168,123,0.12); 
  border-color:#c7a87b; 
}
.stat-number { 
  font-size:2.6rem; font-weight:900; 
  color:#1f1c18; letter-spacing:-1px; 
}
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; letter-spacing:1px; }

/* 内容墙 */
.content-wall { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); 
  gap:28px; 
}
.content-wall-item { 
  border-radius:20px; overflow:hidden; 
  background:#fff; border:1px solid #e0d6ca; 
  transition:0.4s; 
}
.content-wall-item:hover { 
  transform:translateY(-6px); 
  box-shadow:0 12px 40px rgba(199,168,123,0.12); 
  border-color:#c7a87b; 
}
.content-wall-item img { 
  width:100%; height:220px; object-fit:cover; 
  transition:0.4s; 
}
.content-wall-item:hover img { transform:scale(1.03); }
.content-wall-body { padding:24px; }
.content-wall-body h3 { font-size:1.2rem; margin-bottom:8px; font-weight:700; }
.content-wall-body p { opacity:0.6; font-size:0.9rem; line-height:1.6; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid #e0d6ca; border-radius:16px; 
  margin-bottom:10px; overflow:hidden; cursor:pointer; 
  background:#fff; transition:0.3s; 
}
.faq-item:hover { border-color:#c7a87b; box-shadow:0 4px 20px rgba(199,168,123,0.08); }
.faq-item .faq-question { 
  padding:20px 24px; font-weight:700; font-size:1.05rem; 
  display:flex; justify-content:space-between; align-items:center; 
  color:#1f1c18; 
}
.faq-item .faq-question::after { 
  content:'+'; font-size:1.4rem; color:#c7a87b; transition:0.3s; 
}
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { 
  padding:0 24px 20px; display:none; 
  opacity:0.7; line-height:1.8; 
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:64px 24px; text-align:center; border-radius:24px; 
  background:linear-gradient(135deg, #c7a87b, #b8996a); 
  color:#fff; position:relative; overflow:hidden; 
}
.cta-banner::before {
  content:''; position:absolute; top:-50%; right:-30%; 
  width:400px; height:400px; border-radius:50%; 
  background:rgba(255,255,255,0.06); pointer-events:none;
}
.cta-banner h2 { 
  color:#fff; font-size:2.2rem; margin-bottom:16px; 
  font-weight:900; 
}
.cta-banner p { color:rgba(255,255,255,0.8); margin-bottom:24px; font-size:1.1rem; }
.cta-banner .btn-primary { 
  background:#fff; color:#2d2a24; 
  box-shadow:0 4px 20px rgba(0,0,0,0.1); 
}
.cta-banner .btn-primary:hover { background:#f5f0eb; }

/* 页脚 */
.site-footer { 
  padding:64px 0 32px; 
  background:#2d2a24; color:rgba(255,255,255,0.7); 
}
.site-footer .container { }
.footer-grid { 
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; 
}
.footer-brand { }
.footer-brand h3 { color:#fff; font-size:1.3rem; margin-bottom:12px; }
.footer-brand p { font-size:0.9rem; line-height:1.8; opacity:0.6; }
.footer-col { }
.footer-col h4 { 
  color:#c7a87b; font-size:0.9rem; font-weight:700; 
  margin-bottom:16px; letter-spacing:1px; text-transform:uppercase; 
}
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:10px; }
.footer-col ul a { 
  color:rgba(255,255,255,0.6); text-decoration:none; 
  font-size:0.9rem; transition:0.3s; 
}
.footer-col ul a:hover { color:#c7a87b; }
.footer-bottom { 
  border-top:1px solid rgba(255,255,255,0.08); 
  margin-top:48px; padding-top:24px; 
  text-align:center; font-size:0.85rem; opacity:0.5; 
}

/* 工具类 */
.text-accent { color:#c7a87b; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.65; line-height:1.8; }
.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; gap:32px; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { 
    display:flex; flex-direction:column; 
    position:absolute; top:72px; left:0; width:100%; 
    background:rgba(245,240,235,0.98); 
    padding:24px; gap:16px; border-bottom:2px solid #d4c9bc; 
  }
  .hero h1 { font-size:2.4rem; }
  .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:2rem; }
  .section-title { font-size:1.5rem; }
  .stat-number { font-size:2rem; }
}