/* 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: #faf5f0;
  color: #3d2c2a;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background:#f5efe8; }

/* 导航 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(250,245,240,0.92); 
  backdrop-filter:blur(12px); 
  border-bottom:1px solid #e8ddd0;
}
.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:700; font-size:1.3rem; text-decoration:none; color:#3d2c2a;
  letter-spacing:0.5px;
}
.logo-icon { 
  width:38px; height:38px; border-radius:50%; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.1rem;
  background: linear-gradient(135deg, #e8b4a0, #d4a0c0);
  color: #fff;
  box-shadow: 0 2px 8px rgba(212,160,192,0.3);
}
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:500; 
  transition:0.3s; color:#6b5a55;
  position: relative;
  padding-bottom: 4px;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #d4a0c0;
  transition: width 0.3s ease;
}
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color: #8b5a70; }
.nav-cta { 
  padding:10px 24px; border-radius:30px; color:#fff!important; 
  font-weight:600; background: linear-gradient(135deg, #e8b4a0, #d4a0c0);
  box-shadow: 0 4px 12px rgba(212,160,192,0.3);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(212,160,192,0.4); }
.menu-toggle { display:none; }

/* 首页Hero */
.hero { 
  min-height:75vh; display:flex; align-items:center;
  background: linear-gradient(135deg, #faf5f0 0%, #f0e6dc 50%, #f5efe8 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,160,192,0.15), transparent 70%);
  pointer-events: none;
}
.hero-content { max-width:680px; position: relative; z-index: 1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.8rem; font-weight:600; 
  padding:6px 18px; border-radius:30px; margin-bottom:20px;
  background: #e8ddd0; color: #6b5a55; letter-spacing: 1px;
}
.hero h1 { 
  font-size:3rem; line-height:1.15; margin-bottom:20px;
  font-weight: 800;
  background: linear-gradient(135deg, #3d2c2a, #8b5a70);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { 
  font-size:1.15rem; opacity:0.7; max-width:540px; margin-bottom:36px;
  color: #6b5a55; line-height: 1.7;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:20px; overflow:hidden;
  box-shadow: 0 8px 32px rgba(61,44,42,0.1);
}
.hero-image img { width:100%; height:auto; }

/* 按钮 */
.btn { 
  display:inline-flex; align-items:center; gap:8px; 
  padding:14px 32px; border-radius:30px; font-weight:600; 
  cursor:pointer; border:none; text-decoration:none; transition:0.3s;
  font-size: 0.95rem;
}
.btn-primary { 
  color:#fff; 
  background: linear-gradient(135deg, #e8b4a0, #d4a0c0);
  box-shadow: 0 4px 14px rgba(212,160,192,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212,160,192,0.45); }
.btn-outline { 
  background:transparent; border:1.5px solid #d4a0c0; color: #8b5a70;
}
.btn-outline:hover { background: rgba(212,160,192,0.08); }

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.75rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:12px;
  color: #d4a0c0; text-transform: uppercase;
}
.section-title { 
  font-size:2.2rem; margin-bottom:16px;
  color: #3d2c2a; font-weight: 700;
}
.section-desc { 
  max-width:600px; opacity:0.7; margin-bottom:40px;
  color: #6b5a55; line-height: 1.7;
}

/* 卡片网格 */
.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:24px; }
.category-card { 
  border-radius:16px; padding:32px 28px; 
  border:1px solid #e8ddd0; transition:0.3s;
  background: #fff;
}
.category-card:hover { 
  transform:translateY(-4px); 
  box-shadow:0 8px 24px rgba(61,44,42,0.08);
  border-color: #d4a0c0;
}
.card-icon { 
  width:52px; height:52px; border-radius:14px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.4rem;
  background: linear-gradient(135deg, #f5efe8, #e8ddd0);
  color: #8b5a70;
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none;
  color: #d4a0c0; display: inline-flex; align-items: center; gap: 4px;
}
.card-link::after { content: '→'; transition: transform 0.2s; }
.card-link:hover::after { transform: translateX(4px); }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.feature-image { 
  border-radius:20px; overflow:hidden;
  box-shadow: 0 8px 28px rgba(61,44,42,0.08);
}
.feature-image img { width:100%; height:auto; }
.feature-text { }
.feature-list { list-style:none; }
.feature-list li { 
  padding:8px 0; display:flex; align-items:center; gap:10px;
  color: #6b5a55;
}
.feature-list li::before { 
  content:'✦'; font-weight:400; color: #d4a0c0; font-size: 1.1rem;
}

/* 数据条 */
.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { 
  padding:28px 20px; border-radius:16px; 
  border:1px solid #e8ddd0; background: #fff;
}
.stat-number { 
  font-size:2.4rem; font-weight:800;
  background: linear-gradient(135deg, #e8b4a0, #d4a0c0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; color: #6b5a55; }

/* 内容墙 */
.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }
.content-wall-item { 
  border-radius:16px; overflow:hidden; 
  border:1px solid #e8ddd0; transition:0.3s;
  background: #fff;
}
.content-wall-item:hover { 
  transform:translateY(-4px); 
  box-shadow:0 8px 24px rgba(61,44,42,0.08);
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:20px 24px 24px; }
.content-wall-body h3 { font-size: 1.1rem; margin-bottom: 6px; color: #3d2c2a; }
.content-wall-body p { font-size: 0.85rem; color: #6b5a55; opacity: 0.7; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid #e8ddd0; border-radius:14px; margin-bottom:10px; 
  overflow:hidden; cursor:pointer; transition: 0.2s;
  background: #fff;
}
.faq-item:hover { border-color: #d4a0c0; }
.faq-item .faq-question { 
  padding:18px 24px; font-weight:600; 
  display:flex; justify-content:space-between;
  color: #3d2c2a; font-size: 1rem;
}
.faq-item .faq-question::after {
  content: '+'; font-size: 1.3rem; color: #d4a0c0; transition: transform 0.3s;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-item .faq-answer { 
  padding:0 24px 18px; display:none; 
  opacity:0.7; color: #6b5a55; line-height: 1.7;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:64px 32px; text-align:center; border-radius:20px; 
  background: linear-gradient(135deg, #e8b4a0, #d4a0c0);
  box-shadow: 0 8px 32px rgba(212,160,192,0.3);
}
.cta-banner h2 { color:#fff; font-size: 2rem; margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 28px; }
.cta-banner .btn-primary { 
  background:#fff; color: #8b5a70;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.cta-banner .btn-primary:hover { transform: translateY(-2px); }

/* 页脚 */
.site-footer { 
  padding:64px 0 32px; 
  background: #3d2c2a; color: #e8ddd0;
}
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand .logo { color: #e8ddd0; }
.footer-brand p { opacity: 0.6; margin-top: 16px; line-height: 1.7; font-size: 0.9rem; }
.footer-col { }
.footer-col h4 { color: #d4a0c0; margin-bottom: 16px; font-size: 0.95rem; }
.footer-col a { 
  display: block; color: #e8ddd0; opacity: 0.6; 
  text-decoration: none; padding: 4px 0; font-size: 0.85rem;
  transition: 0.2s;
}
.footer-col a:hover { opacity: 1; color: #d4a0c0; }
.footer-bottom { 
  border-top:1px solid rgba(232,221,208,0.1); 
  margin-top:40px; padding-top:24px; 
  text-align:center; font-size:0.85rem; opacity: 0.5;
}

/* 工具类 */
.text-accent { color: #d4a0c0; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color: #6b5a55; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap: 32px; }
  .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; align-items:center; justify-content:center; width:40px; height:40px; cursor:pointer; border:none; background:transparent; font-size:1.5rem; color: #3d2c2a; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background:#faf5f0; padding:24px; gap:16px; border-bottom:1px solid #e8ddd0; }
  .hero h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .cta-banner h2 { font-size: 1.6rem; }
}
@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; }
  .section-title { font-size: 1.5rem; }
  .stat-number { font-size: 2rem; }
}