*, *::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: #f0f7e6;
  color: #2d4a1e;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; }
.section:nth-child(even) { background:#e2f0d3; }

/* 导航 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background:rgba(240,247,230,0.92); 
  backdrop-filter:blur(10px); 
  border-bottom:2px dashed #8cb86b;
}
.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:#2d4a1e; 
  letter-spacing:2px;
}
.logo-icon { 
  width:42px; height:42px; border-radius:50%; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.4rem; background:#8cb86b; color:#f0f7e6;
  box-shadow:0 2px 8px rgba(140,184,107,0.4);
}
.main-nav { display:flex; align-items:center; gap:28px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.95rem; font-weight:500; 
  color:#4a7a2e; transition:0.3s; position:relative;
}
.main-nav a::after {
  content:'';
  position:absolute; bottom:-4px; left:0; width:0; height:2px;
  background:#8cb86b; transition:0.3s;
}
.main-nav a:hover::after { width:100%; }
.nav-cta { 
  padding:8px 24px; border-radius:30px; color:#f0f7e6!important; 
  font-weight:600; background:#6b9e4a; border:2px solid #4a7a2e;
  box-shadow:0 2px 10px rgba(107,158,74,0.3);
}
.menu-toggle { display:none; background:none; border:none; font-size:1.5rem; cursor:pointer; color:#4a7a2e; }

/* 首页Hero */
.hero { 
  min-height:75vh; display:flex; align-items:center; 
  background:linear-gradient(135deg, #f0f7e6 0%, #d4e8c0 100%);
  position:relative; overflow:hidden;
}
.hero::before {
  content:'🌿'; position:absolute; top:10%; left:5%; font-size:8rem; opacity:0.1; transform:rotate(-15deg);
}
.hero::after {
  content:'🎨'; position:absolute; bottom:15%; right:8%; font-size:6rem; opacity:0.1; transform:rotate(10deg);
}
.hero-content { max-width:720px; position:relative; z-index:1; }
.hero-eyebrow { 
  display:inline-block; font-size:0.85rem; font-weight:700; 
  padding:6px 18px; border-radius:30px; margin-bottom:20px; 
  background:#8cb86b; color:#f0f7e6; letter-spacing:2px;
  border:1px solid #6b9e4a;
}
.hero h1 { 
  font-size:3.2rem; line-height:1.15; margin-bottom:20px; 
  color:#2d4a1e; font-weight:800; letter-spacing:-1px;
}
.hero p { 
  font-size:1.15rem; opacity:0.8; max-width:560px; margin-bottom:36px; 
  color:#4a7a2e; line-height:1.6;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:20px; overflow:hidden; 
  border:3px solid #8cb86b; box-shadow:0 8px 30px rgba(140,184,107,0.2);
}
.hero-image img { width:100%; height:auto; display:block; }

/* 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:#f0f7e6; background:#6b9e4a; 
  box-shadow:0 4px 12px rgba(107,158,74,0.3);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(107,158,74,0.4); }
.btn-outline { 
  background:transparent; border:2px solid #6b9e4a; color:#4a7a2e;
}
.btn-outline:hover { background:#8cb86b; color:#f0f7e6; }

/* 标签/标题 */
.section-label { 
  display:inline-block; font-size:0.8rem; font-weight:700; 
  letter-spacing:3px; margin-bottom:12px; color:#8cb86b; 
  text-transform:uppercase; border-left:3px solid #6b9e4a; padding-left:12px;
}
.section-title { 
  font-size:2.2rem; margin-bottom:14px; color:#2d4a1e; 
  font-weight:800; line-height:1.2;
}
.section-desc { 
  max-width:600px; opacity:0.75; margin-bottom:48px; 
  color:#4a7a2e; font-size:1.05rem;
}

/* 卡片网格 */
.cards-grid { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:28px; 
}
.category-card { 
  border-radius:16px; padding:32px; 
  border:2px solid #c8dfb0; background:#f7fbf2;
  transition:0.4s; position:relative; overflow:hidden;
}
.category-card::before {
  content:''; position:absolute; top:0; left:0; width:100%; height:4px;
  background:linear-gradient(90deg, #8cb86b, #6b9e4a);
  opacity:0; transition:0.4s;
}
.category-card:hover { 
  transform:translateY(-6px); box-shadow:0 12px 30px rgba(140,184,107,0.15);
  border-color:#8cb86b;
}
.category-card:hover::before { opacity:1; }
.card-icon { 
  width:52px; height:52px; border-radius:14px; 
  display:flex; align-items:center; justify-content:center; 
  margin-bottom:18px; font-size:1.5rem; 
  background:#d4e8c0; color:#4a7a2e;
}
.card-link { 
  font-weight:600; font-size:0.85rem; text-decoration:none; 
  color:#6b9e4a; 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:60px; align-items:center; 
}
.feature-image { 
  border-radius:20px; overflow:hidden; 
  border:3px solid #c8dfb0; box-shadow:0 8px 25px rgba(140,184,107,0.1);
}
.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-size:1rem; color:#4a7a2e;
}
.feature-list li::before { 
  content:'🌱'; font-weight:700; 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 16px; border-radius:16px; 
  border:2px solid #c8dfb0; background:#f7fbf2;
  transition:0.3s;
}
.stat-item:hover { border-color:#8cb86b; transform:translateY(-3px); }
.stat-number { 
  font-size:2.4rem; font-weight:800; color:#2d4a1e; 
  background:linear-gradient(135deg, #6b9e4a, #8cb86b);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.stat-label { font-size:0.9rem; opacity:0.65; margin-top:8px; color:#4a7a2e; }

/* 内容墙 */
.content-wall { 
  display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); 
  gap:28px; 
}
.content-wall-item { 
  border-radius:16px; overflow:hidden; 
  border:2px solid #c8dfb0; background:#f7fbf2;
  transition:0.4s;
}
.content-wall-item:hover { 
  transform:translateY(-6px); box-shadow:0 12px 30px rgba(140,184,107,0.15);
  border-color:#8cb86b;
}
.content-wall-item img { 
  width:100%; height:220px; object-fit:cover; 
  border-bottom:2px solid #d4e8c0;
}
.content-wall-body { padding:24px; }
.content-wall-body h3 { color:#2d4a1e; margin-bottom:8px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:2px solid #c8dfb0; border-radius:12px; margin-bottom:10px; 
  overflow:hidden; cursor:pointer; background:#f7fbf2;
  transition:0.3s;
}
.faq-item:hover { border-color:#8cb86b; }
.faq-item .faq-question { 
  padding:18px 22px; font-weight:600; display:flex; 
  justify-content:space-between; color:#2d4a1e; font-size:1rem;
}
.faq-item .faq-question::after { content:'+'; font-size:1.2rem; color:#8cb86b; }
.faq-item.open .faq-question::after { content:'−'; }
.faq-item .faq-answer { 
  padding:0 22px 18px; display:none; opacity:0.75; color:#4a7a2e;
  line-height:1.6;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:64px 24px; text-align:center; border-radius:20px; 
  background:linear-gradient(135deg, #6b9e4a, #8cb86b);
  color:#f0f7e6; border:3px solid #4a7a2e;
  box-shadow:0 8px 30px rgba(107,158,74,0.2);
}
.cta-banner h2 { color:#f0f7e6; font-size:2rem; margin-bottom:16px; }
.cta-banner p { color:#e2f0d3; margin-bottom:24px; }
.cta-banner .btn-primary { 
  background:#f0f7e6; color:#2d4a1e; 
  box-shadow:0 4px 12px rgba(0,0,0,0.1);
}
.cta-banner .btn-primary:hover { background:#fff; }

/* 页脚 */
.site-footer { 
  padding:56px 0 28px; 
  background:linear-gradient(180deg, #d4e8c0, #c0d8a8);
  border-top:3px solid #8cb86b;
}
.footer-grid { 
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; 
}
.footer-brand { color:#2d4a1e; }
.footer-brand h3 { font-size:1.3rem; margin-bottom:12px; }
.footer-col { }
.footer-col h4 { 
  font-size:0.9rem; font-weight:700; margin-bottom:16px; 
  color:#4a7a2e; letter-spacing:1px;
}
.footer-col a { 
  display:block; color:#4a7a2e; text-decoration:none; 
  padding:4px 0; font-size:0.9rem; transition:0.3s;
}
.footer-col a:hover { color:#2d4a1e; padding-left:6px; }
.footer-bottom { 
  border-top:2px dashed #8cb86b; margin-top:40px; 
  padding-top:20px; text-align:center; font-size:0.85rem; 
  color:#4a7a2e;
}

/* 工具类 */
.text-accent { color:#6b9e4a; }
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; margin:0 auto 48px; opacity:0.7; 
  color:#4a7a2e; 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:40px; }
  .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:rgba(240,247,230,0.98); 
    padding:20px; border-bottom:2px dashed #8cb86b;
  }
  .hero h1 { font-size:2.2rem; }
  .hero::before, .hero::after { display:none; }
}
@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:1.6rem; }
}