*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:#f8fff8;color:#333;line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.site-header{background:linear-gradient(135deg,#27ae60,#a2d9a2);color:#fff;padding:40px 0;text-align:center}
.site-header .logo{font-size:2.2rem;font-weight:700;margin-bottom:8px}
.site-header .tagline{font-size:1.1rem;opacity:0.9}
.main-nav{background:#1e8449;position:sticky;top:0;z-index:100}
.main-nav ul{display:flex;list-style:none;justify-content:center;flex-wrap:wrap}
.main-nav li a{display:block;padding:14px 24px;color:#fff;text-decoration:none;font-size:1rem;transition:background0.3s}
.main-nav li a:hover{background:rgba(255,255,255,0.15)}
.hero{background:linear-gradient(135deg,#2ecc71,#1e8449);color:#fff;padding:80px 0;text-align:center}
.hero h2{font-size:2.5rem;margin-bottom:16px}
.hero p{font-size:1.2rem;margin-bottom:28px;opacity:0.95}
.btn-primary{display:inline-block;padding:14px 36px;background:#fff;color:#1e8449;text-decoration:none;border-radius:30px;font-weight:700;font-size:1.1rem;transition:transform0.3s,box-shadow 0.3s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.2)}
.section-title{text-align:center;font-size:2rem;margin-bottom:40px;color:#1e8449;position:relative}
.section-title::after{content:"";display:block;width:60px;height:3px;background:#1e8449;margin:12px auto 0;border-radius:2px}
.features{padding:60px 0;background:#fff}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.feature-card{text-align:center;padding:32px 20px;background:#eafaf1;border-radius:12px;border:2px solid #a2d9a2;transition:transform 0.3s,box-shadow 0.3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(30,132,73,0.15)}
.feature-card .icon{font-size:3rem;display:block;margin-bottom:14px}
.feature-card h3{font-size:1.2rem;margin-bottom:8px;color:#1e8449}
.feature-card p{color:#666;font-size:0.95rem}
.products{padding:60px 0;background:#eafaf1}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.product-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,0.08);transition:transform 0.3s,box-shadow 0.3s}
.product-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(30,132,73,0.15)}
.product-img{height:180px;display:flex;align-items:center;justify-content:center;font-size:4rem}
.p1{background:linear-gradient(135deg,#27ae60,#2ecc71)}
.p2{background:linear-gradient(135deg,#f8fff8,#d5f5e3)}
.p3{background:linear-gradient(135deg,#1e8449,#27ae60)}
.product-card h3{padding:16px 20px 8px;font-size:1.15rem;color:#333}
.product-card p{padding:0 20px 12px;color:#888;font-size:0.9rem}
.product-card .price{display:block;padding:12px 20px;background:#1e8449;color:#fff;font-weight:700;text-align:center}
.about{padding:60px 0;background:#fff}
.about-content{max-width:800px;margin:0 auto;text-align:center;font-size:1.05rem;color:#555;line-height:1.9}
.contact{padding:60px 0;background:#eafaf1}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.contact-item{text-align:center;padding:28px 16px;background:#fff;border-radius:12px;border:2px solid #a2d9a2}
.contact-item .icon{font-size:2.5rem;display:block;margin-bottom:12px}
.contact-item h3{font-size:1.1rem;color:#1e8449;margin-bottom:8px}
.contact-item p{color:#666;font-size:1rem}
.site-footer{background:#1e8449;color:#fff;text-align:center;padding:24px 0;font-size:0.9rem}
@media(max-width:768px){.site-header .logo{font-size:1.6rem}.hero h2{font-size:1.8rem}.hero p{font-size:1rem}.main-nav ul{flex-direction:column}.main-nav li{width:100%;text-align:center}.feature-grid,.product-grid{grid-template-columns:1fr}.section-title{font-size:1.5rem}}