*, *::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: linear-gradient(135deg, #fef9f0 0%, #fef2e8 50%, #fef6f0 100%);
  color: #2d1b0e;
  min-height: 100vh;
}

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { 
  background: linear-gradient(135deg, #fef6f0 0%, #fef0e4 100%);
  border-top: 2px dashed #e8c8b0;
  border-bottom: 2px dashed #e8c8b0;
}

/* 导航 — 固定顶部 — 磨砂玻璃+暖色调 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background: rgba(254, 249, 240, 0.92); 
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(220, 180, 150, 0.3);
  box-shadow: 0 4px 30px rgba(180, 120, 80, 0.08);
}
.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: #6b3a1f; 
  letter-spacing: 1px;
}
.logo-icon { 
  width:40px; height:40px; border-radius:12px; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.2rem;
  background: linear-gradient(145deg, #d4956b, #b8734a);
  color: #fff;
  box-shadow: 0 4px 12px rgba(200, 130, 80, 0.3);
}
.main-nav { display:flex; align-items:center; gap:24px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:500; 
  transition:0.2s; color: #5a3a28;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #d4956b, #c07a4a);
  transition: width 0.3s ease;
}
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color: #8b4a2a; }
.nav-cta { 
  padding:10px 24px; border-radius:30px; 
  color:#fff!important; font-weight:600;
  background: linear-gradient(145deg, #d4956b, #b8734a);
  box-shadow: 0 4px 15px rgba(200, 130, 80, 0.3);
  border: none;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { 
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 130, 80, 0.4);
  color: #fff !important;
}
.menu-toggle { display:none; }

/* 首页Hero — 暖色渐变+有机形状 */
.hero { 
  min-height:75vh; display:flex; align-items:center; 
  position: relative;
  background: radial-gradient(ellipse at 80% 20%, #fef0e4 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, #fef6f0 0%, transparent 60%);
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 149, 107, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-content { max-width:720px; position: relative; z-index: 2; }
.hero-eyebrow { 
  display:inline-block; 
  font-size:0.8rem; font-weight:700; 
  padding:6px 18px; border-radius:30px; 
  margin-bottom:20px;
  background: linear-gradient(145deg, #f0d6c0, #e8c8b0);
  color: #6b3a1f;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.hero h1 { 
  font-size:3rem; line-height:1.15; margin-bottom:20px; 
  color: #2d1b0e;
  font-weight: 900;
  letter-spacing: -1px;
}
.hero h1 span { 
  background: linear-gradient(145deg, #d4956b, #b8734a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { 
  font-size:1.15rem; 
  color: #5a3a28;
  max-width:560px; margin-bottom:36px; 
  line-height: 1.7;
  opacity: 0.8;
}
.hero-buttons { display:flex; gap:14px; }
.hero-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow: 0 20px 60px rgba(180, 120, 80, 0.15);
}
.hero-image img { width:100%; height:auto; }

/* 按钮 — 温暖有机感 */
.btn { 
  display:inline-flex; align-items:center; gap:10px; 
  padding:14px 32px; border-radius:30px; 
  font-weight:700; cursor:pointer; border:none; 
  text-decoration:none; transition:0.3s; 
  font-size: 0.95rem;
}
.btn-primary { 
  color:#fff; 
  background: linear-gradient(145deg, #d4956b, #b8734a);
  box-shadow: 0 4px 15px rgba(200, 130, 80, 0.3);
}
.btn-primary:hover { 
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(200, 130, 80, 0.4);
}
.btn-outline { 
  background:transparent; 
  border:2px solid #d4956b;
  color: #6b3a1f;
}
.btn-outline:hover { 
  background: rgba(212, 149, 107, 0.08);
  transform: translateY(-2px);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; 
  font-size:0.75rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:12px; 
  color: #b8734a;
  text-transform: uppercase;
}
.section-title { 
  font-size:2.2rem; margin-bottom:14px; 
  color: #2d1b0e;
  font-weight: 900;
  letter-spacing: -0.5px;
}
.section-desc { 
  max-width:600px; 
  color: #5a3a28;
  margin-bottom:40px; 
  line-height: 1.7;
  opacity: 0.75;
}

/* 卡片网格 — 暖色卡片+有机阴影 */
.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 rgba(220, 180, 150, 0.2);
  transition:0.3s;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #d4956b, #e8c8b0);
  opacity: 0;
  transition: opacity 0.3s;
}
.category-card:hover::before { opacity: 1; }
.category-card:hover { 
  transform:translateY(-5px); 
  box-shadow: 0 12px 40px rgba(180, 120, 80, 0.12);
  border-color: rgba(212, 149, 107, 0.3);
}
.card-icon { 
  width:52px; height:52px; border-radius:16px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.4rem;
  background: linear-gradient(145deg, #fef6f0, #f0d6c0);
  color: #b8734a;
}
.card-link { 
  font-weight:700; font-size:0.9rem; text-decoration:none; 
  color: #b8734a;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}
.card-link:hover { gap: 12px; }

/* 特性块 */
.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:60px; 
  align-items:center; 
}
.feature-image { 
  border-radius:20px; overflow:hidden; 
  box-shadow: 0 16px 48px rgba(180, 120, 80, 0.12);
}
.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; 
  color: #3d281a;
  font-weight: 500;
}
.feature-list li::before { 
  content:'✓'; 
  font-weight:700; 
  color: #b8734a;
  background: rgba(212, 149, 107, 0.12);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

/* 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 rgba(220, 180, 150, 0.2);
  transition: 0.3s;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(180, 120, 80, 0.1);
}
.stat-number { 
  font-size:2.6rem; font-weight:900; 
  color: #2d1b0e;
  letter-spacing: -1px;
}
.stat-number span { 
  background: linear-gradient(145deg, #d4956b, #b8734a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { 
  font-size:0.9rem; 
  color: #5a3a28;
  margin-top:8px; 
  font-weight: 500;
  opacity: 0.7;
}

/* 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 rgba(220, 180, 150, 0.2);
  transition:0.3s; 
}
.content-wall-item:hover { 
  transform:translateY(-5px); 
  box-shadow: 0 12px 40px rgba(180, 120, 80, 0.12);
  border-color: rgba(212, 149, 107, 0.3);
}
.content-wall-item img { 
  width:100%; height:220px; object-fit:cover; 
  transition: transform 0.5s;
}
.content-wall-item:hover img { transform: scale(1.05); }
.content-wall-body { padding:24px; }
.content-wall-body h3 { 
  color: #2d1b0e;
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.content-wall-body p {
  color: #5a3a28;
  opacity: 0.7;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border: 1px solid rgba(220, 180, 150, 0.2);
  border-radius:16px; 
  margin-bottom:10px; 
  overflow:hidden; 
  cursor:pointer; 
  background: #fff;
  transition: 0.3s;
}
.faq-item:hover { border-color: rgba(212, 149, 107, 0.3); }
.faq-item .faq-question { 
  padding:18px 24px; 
  font-weight:700; 
  display:flex; 
  justify-content:space-between; 
  color: #2d1b0e;
  font-size: 1rem;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: #b8734a;
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-item .faq-answer { 
  padding:0 24px 18px; 
  display:none; 
  color: #5a3a28;
  line-height: 1.7;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:64px 32px; 
  text-align:center; 
  border-radius:24px; 
  background: linear-gradient(145deg, #d4956b, #b8734a);
  color:#fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 70%);
  border-radius: 50%;
}
.cta-banner h2 { 
  color:#fff; 
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.cta-banner p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary { 
  background:#fff; 
  color: #b8734a;
  box-shadow: 0 4px 20px rgba(255,255,255,0.3);
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover { 
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255,255,255,0.4);
}

/* 页脚 */
.site-footer { 
  padding:64px 0 32px; 
  background: linear-gradient(145deg, #fef6f0, #fef0e4);
  border-top: 2px dashed #e8c8b0;
}
.site-footer .container { }
.footer-grid { 
  display:grid; 
  grid-template-columns:2fr 1fr 1fr 1fr; 
  gap:48px; 
}
.footer-brand { }
.footer-brand h3 {
  color: #2d1b0e;
  font-size: 1.4rem;
  margin-bottom: 12px;
}
.footer-brand p {
  color: #5a3a28;
  opacity: 0.7;
  line-height: 1.7;
}
.footer-col { }
.footer-col h4 {
  color: #2d1b0e;
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  color: #5a3a28;
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s, padding-left 0.2s;
}
.footer-col ul li a:hover { 
  opacity: 1; 
  padding-left: 4px;
  color: #b8734a;
}
.footer-bottom { 
  border-top: 1px solid rgba(180, 120, 80, 0.15); 
  margin-top:48px; 
  padding-top:24px; 
  text-align:center; 
  font-size:0.85rem; 
  color: #5a3a28;
  opacity: 0.6;
}

/* 工具类 */
.text-accent { color: #b8734a; }
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; margin:0 auto 48px; 
  color: #5a3a28;
  line-height: 1.7;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap: 36px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap: 16px; }
  .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:68px; left:0; width:100%; 
    background: rgba(254, 249, 240, 0.98);
    backdrop-filter: blur(12px);
    padding:24px; gap:16px;
    border-bottom: 1px solid rgba(220, 180, 150, 0.2);
  }
  .hero h1 { font-size: 2.2rem; }
  .hero { min-height: 60vh; }
  .section-title { font-size: 1.7rem; }
  .stat-number { font-size: 2rem; }
}
@media (max-width: 480px) {
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap: 24px; }
  .hero-buttons { flex-direction:column; align-items: stretch; }
  .hero h1 { font-size: 1.8rem; }
  .section-title { font-size: 1.4rem; }
  .stat-item { padding: 24px 16px; }
  .stat-number { font-size: 1.8rem; }
}