*, *::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: #f0f7f4; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; }
.section:nth-child(even) { background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 100%); }

.site-header { position:fixed; top:0; left:0; width:100%; z-index:1000; background: rgba(255,255,255,0.9); backdrop-filter:blur(12px); border-bottom: 2px solid #81c784; }
.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: #2e7d32; 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: linear-gradient(135deg, #66bb6a, #43a047); color: #fff; box-shadow: 0 2px 8px rgba(76,175,80,0.3); }
.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: #37474f; position: relative; }
.main-nav a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: #66bb6a; transition: 0.3s; }
.main-nav a:hover::after { width: 100%; }
.main-nav a:hover { color: #2e7d32; }
.nav-cta { padding:10px 24px; border-radius: 50px; color:#fff!important; font-weight:600; background: linear-gradient(135deg, #66bb6a, #388e3c); box-shadow: 0 4px 12px rgba(76,175,80,0.3); }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(76,175,80,0.4); }
.menu-toggle { display:none; }

.hero { min-height:70vh; display:flex; align-items:center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(102,187,106,0.08) 0%, transparent 70%); border-radius: 50%; }
.hero-content { max-width:720px; position: relative; z-index: 1; }
.hero-eyebrow { display:inline-block; font-size:0.8rem; font-weight:600; padding:6px 16px; border-radius: 50px; margin-bottom:16px; background: linear-gradient(135deg, #e8f5e9, #c8e6c9); color: #2e7d32; letter-spacing: 1px; }
.hero h1 { font-size:3.2rem; line-height:1.15; margin-bottom:20px; color: #1b5e20; font-weight: 800; letter-spacing: -1px; }
.hero p { font-size:1.1rem; opacity:0.7; max-width:560px; margin-bottom:32px; color: #37474f; line-height: 1.6; }
.hero-buttons { display:flex; gap:14px; }
.hero-image { border-radius: 20px; overflow:hidden; box-shadow: 0 8px 32px rgba(76,175,80,0.12); }

.btn { display:inline-flex; align-items:center; gap:8px; padding:14px 32px; border-radius: 50px; 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, #66bb6a, #388e3c); box-shadow: 0 4px 16px rgba(76,175,80,0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(76,175,80,0.35); }
.btn-outline { background:transparent; border:2px solid #66bb6a; color: #2e7d32; }
.btn-outline:hover { background: rgba(102,187,106,0.08); }

.section-label { display:inline-block; font-size:0.75rem; font-weight:600; letter-spacing:3px; margin-bottom:12px; color: #66bb6a; text-transform: uppercase; }
.section-title { font-size:2.2rem; margin-bottom:14px; color: #1b5e20; font-weight: 700; }
.section-desc { max-width:600px; opacity:0.7; margin-bottom:40px; color: #37474f; line-height: 1.6; }

.cards-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.category-card { border-radius: 20px; padding:32px; border: 1px solid rgba(102,187,106,0.2); transition:0.3s; background: #fff; }
.category-card:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(76,175,80,0.12); border-color: #66bb6a; }
.card-icon { width:52px; height:52px; border-radius: 16px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; font-size:1.4rem; background: linear-gradient(135deg, #e8f5e9, #c8e6c9); color: #2e7d32; }
.card-link { font-weight:600; font-size:0.85rem; text-decoration:none; color: #66bb6a; display: inline-flex; align-items: center; gap: 4px; }
.card-link::after { content: '→'; transition: 0.3s; }
.card-link:hover::after { transform: translateX(4px); }

.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 32px rgba(76,175,80,0.1); }
.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: #37474f; }
.feature-list li::before { content:'✓'; font-weight:700; color: #66bb6a; font-size: 1.1rem; }

.stats-bar { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-item { padding:28px; border-radius: 20px; border: 1px solid rgba(102,187,106,0.2); background: #fff; }
.stat-number { font-size:2.5rem; font-weight:800; color: #1b5e20; }
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:6px; color: #37474f; }

.content-wall { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:28px; }
.content-wall-item { border-radius: 20px; overflow:hidden; border: 1px solid rgba(102,187,106,0.2); transition:0.3s; background: #fff; }
.content-wall-item:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(76,175,80,0.12); }
.content-wall-item img { width:100%; height:200px; object-fit:cover; }
.content-wall-body { padding:24px; }
.content-wall-body h3 { color: #1b5e20; margin-bottom: 8px; }

.faq-list { max-width:800px; margin:0 auto; }
.faq-item { border: 1px solid rgba(102,187,106,0.2); border-radius: 16px; margin-bottom:10px; overflow:hidden; cursor:pointer; background: #fff; transition: 0.3s; }
.faq-item:hover { border-color: #66bb6a; }
.faq-item .faq-question { padding:18px 24px; font-weight:600; display:flex; justify-content:space-between; color: #1b5e20; }
.faq-item .faq-question::after { content: '+'; font-size: 1.2rem; color: #66bb6a; transition: 0.3s; }
.faq-item.open .faq-question::after { content: '−'; }
.faq-item .faq-answer { padding:0 24px 18px; display:none; opacity:0.7; color: #37474f; line-height: 1.6; }
.faq-item.open .faq-answer { display:block; }

.cta-banner { padding:64px 24px; text-align:center; border-radius: 24px; color:#fff; background: linear-gradient(135deg, #43a047, #1b5e20); position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; top: -50%; left: -20%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%); border-radius: 50%; }
.cta-banner h2 { color:#fff; font-size: 2rem; margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.8); margin-bottom: 24px; }
.cta-banner .btn-primary { background:#fff; color: #1b5e20; box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.cta-banner .btn-primary:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.15); }

.site-footer { padding:56px 0 28px; background: #1b5e20; color: rgba(255,255,255,0.8); }
.site-footer .container { }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand { }
.footer-brand h3 { color: #fff; margin-bottom: 12px; }
.footer-col h4 { color: #fff; margin-bottom: 16px; font-size: 0.9rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); text-decoration: none; transition: 0.3s; }
.footer-col ul li a:hover { color: #81c784; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top:40px; padding-top:20px; text-align:center; font-size:0.85rem; color: rgba(255,255,255,0.5); }

.text-accent { color: #66bb6a; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.7; color: #37474f; line-height: 1.6; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; }
  .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; justify-content: center; width: 40px; height: 40px; border: none; background: transparent; cursor: pointer; color: #2e7d32; font-size: 1.2rem; }
  .main-nav.open { display:flex; flex-direction:column; position:absolute; top:68px; left:0; width:100%; background: rgba(255,255,255,0.98); padding:24px; gap: 16px; border-bottom: 2px solid #81c784; }
  .hero h1 { font-size: 2.2rem; }
}
@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; }
}