* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; background: #f9f6f0; color: #333; line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.site-header { background: linear-gradient(160deg, #e8f0d8, #d4e0b8 50%, #b8cc8a 100%); border-bottom: 3px solid #6a8a3a; padding: 30px 0; }
.site-header .logo { font-size: 28px; color: #4a6a2a; margin-bottom: 8px; }
.site-header .tagline { color: #5a7a3a; font-size: 15px; letter-spacing: 2px; }

.main-nav { background: #fff; box-shadow: 0 2px 10px rgba(106,138,58,0.12); position: sticky; top: 0; z-index: 100; }
.main-nav ul { list-style: none; display: flex; gap: 30px; justify-content: center; flex-wrap: wrap; }
.main-nav a { text-decoration: none; color: #4a6a2a; font-weight: 500; padding: 15px 0; display: block; border-bottom: 2px solid transparent; transition: all 0.3s; }
.main-nav a:hover { color: #6a8a3a; border-bottom-color: #6a8a3a; }

.hero { background: linear-gradient(165deg, #f0f5e0 0%, #e0ebc8 50%, #c8d898100%); padding: 80px 0; text-align: center; }
.hero h2 { font-size: 42px; color: #4a6a2a; margin-bottom: 15px; }
.hero p { font-size: 18px; color: #5a7a3a; margin-bottom: 30px; }
.btn { display: inline-block; background: linear-gradient(135deg, #6a8a3a, #4a6a2a); color: #fff; padding: 14px 40px; text-decoration: none; border-radius: 30px; font-weight: bold; transition: all 0.3s; box-shadow: 0 4px 15px rgba(106,138,58,0.35); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(106,138,58,0.5); }

.section-title { text-align: center; font-size: 32px; color: #4a6a2a; margin-bottom: 50px; position: relative; }
.section-title::after { content: ""; display: block; width: 80px; height: 3px; background: linear-gradient(90deg, #6a8a3a, #a8c878); margin: 15px auto 0; border-radius: 2px; }

.products-section { padding: 80px 0; background: #fff; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.product-card { background: linear-gradient(150deg, #fafff0, #f0f5e0); border: 1px solid #c8d898; border-radius: 16px; padding: 30px; text-align: center; transition: all 0.3s; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(106,138,58,0.12); border-color: #6a8a3a; }
.product-img { font-size: 60px; margin-bottom: 15px; }
.product-card h3 { color: #4a6a2a; font-size: 20px; margin-bottom: 10px; }
.product-card .price { font-size: 26px; color: #6a8a3a; font-weight: bold; margin-bottom: 10px; }
.product-card .desc { color: #888; font-size: 14px; }

.about-section { padding: 80px 0; background: linear-gradient(180deg, #f0f5e0 0%, #e0ebc8 100%); }
.about-content { display: flex; gap: 50px; align-items: center; flex-wrap: wrap; }
.about-text { flex: 1; min-width: 280px; }
.about-text p { color: #666; font-size: 16px; margin-bottom: 15px; line-height: 1.8; }
.about-features { flex: 1; min-width: 280px; display: flex; flex-wrap: wrap; gap: 20px; }
.feature { flex: 1; min-width: 140px; background: #fff; border-radius: 12px; padding: 25px; text-align: center; border: 1px solid #c8d898; }
.feature .icon { font-size: 36px; display: block; margin-bottom: 10px; }
.feature h3 { color: #4a6a2a; font-size: 16px; margin-bottom: 8px; }
.feature p { color: #888; font-size: 13px; }

.contact-section { padding: 80px 0; background: #fff; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.contact-item { background: linear-gradient(150deg, #fafff0, #f0f5e0); border: 1px solid #c8d898; border-radius: 16px; padding: 30px; text-align: center; }
.contact-item h3 { color: #4a6a2a; font-size: 18px; margin-bottom: 10px; }
.contact-item p { color: #555; font-size: 16px; }

.site-footer { background: linear-gradient(135deg, #4a6a2a, #3a5220); color: #fff; text-align: center; padding: 30px 0; font-size: 14px; }

@media (max-width: 768px) {
    .hero h2 { font-size: 28px; }
    .section-title { font-size: 24px; }
    .about-content { flex-direction: column; }
}
@media (max-width: 480px) {
    .main-nav ul { gap: 15px; }
    .hero { padding: 50px 0; }
}