*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;color:#333;background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}picture{display:block;width:100%}
.prog-img{filter:blur(15px) scale(1.02);transform:scale(1.02);transition:filter .7s ease-out,transform .7s ease-out;background:#e8f5e9}
.prog-img.loaded{filter:blur(0);transform:scale(1)}
/* Scroll reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
/* Keyframes */
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
@keyframes bounce{0%,100%{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-4px)}}
@keyframes shine{0%{background-position:-200% center}100%{background-position:200% center}}
@keyframes kenburns{0%{transform:scale(1)}100%{transform:scale(1.06)}}
@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}100%{opacity:1;transform:translateY(0)}}
@keyframes countIn{0%{opacity:0;transform:translateY(10px) scale(0.9)}100%{opacity:1;transform:translateY(0) scale(1)}}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header + Dropdown */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,0.06)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:70px}.nav-toggle{display:none;background:none;border:none;font-size:26px;color:#1a6b37;cursor:pointer;padding:6px;line-height:1}
.logo{font-size:18px;font-weight:800;color:#1a6b37;letter-spacing:-0.5px;white-space:nowrap}
.logo small{display:block;font-size:10px;font-weight:400;color:#555;letter-spacing:1px;margin-top:-2px}
.nav{display:flex;gap:0;align-items:center}
.nav>a,.nav-item{font-size:14px;font-weight:500;color:#555;padding:10px 14px;transition:color .3s;position:relative;cursor:pointer}
.nav>a:hover,.nav-item:hover{color:#1a6b37}
.nav .btn-nav{background:linear-gradient(135deg,#1a6b37,#4caf50);color:#fff!important;padding:10px 22px;border-radius:25px;font-weight:600}
/* Dropdown */
.dropdown{position:relative;display:inline-block}
.dropdown-toggle{display:flex;align-items:center;gap:4px}
.dropdown-toggle::after{content:'▾';font-size:10px;transition:transform .3s}
.dropdown:hover .dropdown-toggle::after{transform:rotate(180deg)}
.dropdown-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;border-radius:16px;box-shadow:0 12px 48px rgba(0,0,0,0.1),0 2px 8px rgba(0,0,0,0.06);padding:10px 0;min-width:210px;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;transform-origin:top;z-index:1001;margin-top:6px;border:1px solid rgba(0,0,0,0.06)}
.dropdown:hover .dropdown-menu{opacity:1;visibility:visible}
.dropdown-menu a{display:flex;align-items:center;gap:12px;padding:14px 22px;font-size:14px;color:#444;transition:background .2s,color .2s,padding-left .2s;border-bottom:1px solid #f5f5f5}
.dropdown-menu a:last-child{border-bottom:none}
.dropdown-menu a:hover{background:linear-gradient(135deg,#f0faf3,#e8f5e9);color:#1a6b37;padding-left:28px}
.dropdown-menu a .d-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:#f0faf3;border-radius:8px;flex-shrink:0}
.dropdown-menu a:hover .d-icon{background:#d4edda}
.dropdown-menu a .d-badge{font-size:10px;background:#1a6b37;color:#fff;padding:3px 10px;border-radius:10px;margin-left:auto;font-weight:700;letter-spacing:.5px}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:70px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img,.hero-bg picture{width:100%;height:100%;object-fit:cover;animation:kenburns 18s ease-in-out infinite alternate}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,0,0,0.6) 0%,rgba(0,20,0,0.35) 50%,rgba(0,0,0,0.5) 100%)}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text{color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);color:#fff;padding:8px 20px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:28px;letter-spacing:2px;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,0.15);animation:bounce 2s ease-in-out infinite}
.hero-text h1{font-size:56px;font-weight:900;line-height:1.1;margin-bottom:24px;letter-spacing:-2px;text-shadow:0 4px 30px rgba(0,0,0,0.4)}
.hero-text h1 em{font-style:normal;background:linear-gradient(135deg,#90EE90,#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 4px rgba(0,200,0,0.3))}
.hero-text .sub{font-size:18px;color:rgba(255,255,255,0.85);line-height:1.9;margin-bottom:36px;max-width:500px}
.hero-stats{display:flex;gap:40px;margin-bottom:36px}
.hero-stat{text-align:center;position:relative}
.hero-stat::after{content:'';position:absolute;right:-20px;top:10%;height:80%;width:1px;background:rgba(255,255,255,0.2)}
.hero-stat:last-child::after{display:none}
.hero-stat .num{font-size:40px;font-weight:900;background:linear-gradient(180deg,#fff 0%,#90EE90 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.hero-stat .label{font-size:12px;color:rgba(255,255,255,0.6);margin-top:8px;letter-spacing:2px}
.hero-btn{display:inline-flex;align-items:center;gap:10px;background:#fff;color:#1a6b37;padding:18px 40px;border-radius:35px;font-size:17px;font-weight:800;box-shadow:0 10px 35px rgba(0,0,0,0.3);transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-3px);box-shadow:0 15px 45px rgba(0,0,0,0.4)}

/* Sections */
.section{padding:100px 0}
.section-tag{display:inline-block;font-size:11px;font-weight:800;letter-spacing:4px;color:#4caf50;text-transform:uppercase;margin-bottom:16px;background:#e8f5e9;padding:4px 16px;border-radius:4px}
.section-title{font-size:42px;font-weight:900;color:#0a3d1f;margin-bottom:16px;letter-spacing:-1px;line-height:1.2}
.section-title .hl{background:linear-gradient(135deg,#1a6b37,#4caf50);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.section-sub{font-size:17px;color:#555;max-width:600px;margin-bottom:60px;line-height:1.9}
.section-dark{background:#0a3d1f;color:#fff}
.section-dark .section-title,.section-dark .section-tag{color:#fff}.section-dark .section-tag{background:rgba(255,255,255,0.1)}
.section-dark .section-sub{color:rgba(255,255,255,0.65)}
.section-light{background:#f6faf7}

/* Benefits */
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.benefits-grid-4{grid-template-columns:repeat(4,1fr)}
.benefit-card{background:#fff;border-radius:20px;padding:40px 28px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,0.04);transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden;border-top:3px solid transparent;transition:border-color .3s}
.benefit-card:nth-child(1){border-top-color:#1a6b37}
.benefit-card:nth-child(2){border-top-color:#4caf50}
.benefit-card:nth-child(3){border-top-color:#2196F3}
.benefit-card:nth-child(4){border-top-color:#FF9800}
.benefit-card:nth-child(5){border-top-color:#9C27B0}
.benefit-card:nth-child(6){border-top-color:#E91E63}
.benefit-card:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(0,0,0,0.1)}
.benefit-card:hover .icon{animation:bounce .5s ease}
.benefit-card .icon{font-size:44px;margin-bottom:16px;display:inline-block}
.benefit-card h3{font-size:19px;font-weight:900;margin-bottom:10px;color:#0a3d1f}
.benefit-card p{font-size:14px;color:#666;line-height:1.8}

/* Nutrition */
.image-split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.image-split img{border-radius:20px;box-shadow:0 20px 50px rgba(0,0,0,0.1);width:100%}
.nutrition-bars{margin:28px 0}
.nutrition-bar{margin-bottom:22px}
.nutrition-bar .bar-label{display:flex;justify-content:space-between;font-size:15px;font-weight:700;margin-bottom:8px;align-items:baseline}
.nutrition-bar .bar-label span:last-child{font-size:24px;font-weight:900;color:#1a6b37;letter-spacing:-1px}
.nutrition-bar .bar-label .pct{font-size:13px;font-weight:500;color:#888;margin-left:4px}
.nutrition-bar .bar-track{height:12px;background:#e8f5e9;border-radius:6px;overflow:hidden;position:relative}
.nutrition-bar .bar-fill{height:100%;border-radius:6px;transition:width 1.4s ease-out;position:relative}
.nutrition-bar .bar-fill::after{content:'';position:absolute;right:0;top:0;bottom:0;width:4px;background:rgba(255,255,255,0.5);border-radius:0 6px 6px 0}
/* Differentiated fills by nutrient */
.bar-selenium{background:linear-gradient(90deg,#1a6b37,#4caf50);box-shadow:0 0 12px rgba(76,175,80,0.4)}
.bar-vitamin{background:linear-gradient(90deg,#1565C0,#42A5F5);box-shadow:0 0 12px rgba(66,165,245,0.4)}
.bar-folate{background:linear-gradient(90deg,#E65100,#FF9800);box-shadow:0 0 8px rgba(255,152,0,0.3)}
.bar-fiber{background:linear-gradient(90deg,#6A1B9A,#AB47BC);box-shadow:0 0 8px rgba(171,71,188,0.3)}
/* Over-100% capped bars */
.bar-super .bar-track{overflow:visible}
.bar-super .bar-fill::after{content:'';position:absolute;right:-3px;top:-2px;width:8px;height:8px;border-radius:50%;background:inherit;opacity:0.7}

.nutrition-highlight{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.highlight-item{background:#f0faf3;padding:24px 16px;border-radius:14px;text-align:center;transition:transform .3s}
.highlight-item:hover{transform:scale(1.05)}
.highlight-item .val{font-size:30px;font-weight:900;color:#1a6b37;letter-spacing:-1px}
.highlight-item .lbl{font-size:12px;color:#888;margin-top:6px}

/* Products */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.04);transition:transform .3s,box-shadow .3s}
.product-card:hover{transform:translateY(-10px);box-shadow:0 25px 60px rgba(0,0,0,0.12)}
.product-card:hover img{transform:scale(1.08)}
.product-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.product-card .info{padding:22px}
.product-card .tag{display:inline-block;font-size:10px;padding:4px 12px;border-radius:12px;font-weight:700;margin-bottom:10px;letter-spacing:1px;text-transform:uppercase}
.tag-green{background:#e8f5e9;color:#1a6b37}
.tag-blue{background:#e3f2fd;color:#1565C0}
.tag-orange{background:#fff3e0;color:#E65100}
.tag-purple{background:#f3e5f5;color:#6A1B9A}
.product-card h3{font-size:18px;font-weight:900;color:#0a3d1f;margin-bottom:6px}
.product-card p{font-size:13px;color:#999;line-height:1.6;margin-bottom:8px}
.product-card .price{font-size:20px;font-weight:900;color:#1a6b37}
.product-card .price small{font-size:12px;color:#aaa;font-weight:400}

/* Lifestyle */
.lifestyle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.lifestyle-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;transition:transform .3s,box-shadow .3s}
.lifestyle-grid img:hover{transform:scale(1.04);box-shadow:0 12px 30px rgba(0,0,0,0.15)}

/* Comparison Table */
.comparison-table{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.04);margin-top:40px}
.comparison-table th{background:#1a6b37;color:#fff;padding:16px 20px;text-align:left;font-weight:700;font-size:14px}
.comparison-table td{padding:15px 20px;border-bottom:1px solid #f0f0f0}
.comparison-table tr:last-child td{border-bottom:none}
.comparison-table tr{transition:background .3s,transform .2s}
.comparison-table tr:hover{transform:scale(1.008)}
.comparison-table .highlight{color:#1a6b37;font-weight:900;font-size:18px}

/* CTA */
.cta{position:relative;min-height:450px;display:flex;align-items:center;overflow:hidden}
.cta-bg{position:absolute;inset:0}
.cta-bg img{width:100%;height:100%;object-fit:cover}
.cta-bg::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,0.65)}
.cta .container{position:relative;z-index:1;text-align:center;color:#fff}
.cta h2{font-size:48px;font-weight:900;margin-bottom:16px;letter-spacing:-1px}
.cta h2 em{font-style:normal;color:#90EE90}
.cta p{font-size:20px;opacity:0.85;margin-bottom:40px}
.cta-btn{display:inline-block;background:#fff;color:#1a6b37;padding:20px 50px;border-radius:40px;font-size:18px;font-weight:800;transition:transform .3s,box-shadow .3s;box-shadow:0 8px 30px rgba(0,0,0,0.3);animation:pulse 3s ease-in-out infinite}
.cta-btn:hover{transform:scale(1.08);box-shadow:0 15px 40px rgba(0,0,0,0.4);animation:none}

/* Footer */
.footer{background:#061a0f;color:rgba(255,255,255,0.5);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer .footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer a{color:rgba(255,255,255,0.4);font-size:13px;display:block;margin-bottom:8px;transition:color .3s}
.footer a:hover{color:#4caf50}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:20px;text-align:center;font-size:12px}

@media(max-width:1024px){.products-grid{grid-template-columns:repeat(2,1fr)}.lifestyle-grid{grid-template-columns:repeat(2,1fr)}.benefits-grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .hero .container{grid-template-columns:1fr;text-align:center}.hero-text h1{font-size:28px}.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:20px}.hero-stat .num{font-size:26px}.hero-stat::after{display:none}
  .image-split{grid-template-columns:1fr}.benefits-grid{grid-template-columns:1fr}.benefits-grid-4{grid-template-columns:1fr;gap:16px}.products-grid{grid-template-columns:1fr;gap:20px}.lifestyle-grid{grid-template-columns:1fr;gap:20px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}.logo{font-size:13px;letter-spacing:0}.logo small{font-size:8px;letter-spacing:0}.nav{display:none}.nav-toggle{display:block}.nav.show{display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:8px 24px 20px;box-shadow:0 12px 30px rgba(0,0,0,0.12)}.nav.show>a{display:block;padding:14px 0;border-bottom:1px solid #f2f2f2;font-size:16px}.nav.show .dropdown{width:100%}.nav.show .dropdown-toggle{display:block;padding:14px 0;border-bottom:1px solid #f2f2f2;font-size:16px}.nav.show .dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding-left:12px}.section-title{font-size:26px}.cta h2{font-size:28px}.comparison-table{display:block;overflow-x:auto;font-size:13px;-webkit-overflow-scrolling:touch}.comparison-table th,.comparison-table td{padding:10px 12px;white-space:nowrap}.faq-item{padding:18px 20px}.faq-item h3{font-size:16px}.faq-item p{font-size:13px}
  .dropdown-menu{left:0;transform:translateX(0)}
}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto;text-align:left}
.faq-item{background:#fff;border-radius:16px;padding:22px 26px;margin-bottom:14px;box-shadow:0 4px 18px rgba(0,0,0,0.04)}
.faq-item h3{font-size:17px;font-weight:800;color:#0a3d1f;margin-bottom:8px}
.faq-item p{font-size:14px;color:#666;line-height:1.8;margin:0}


/* 移动端卡片通屏美化 */
@media(max-width:768px){
  .product-card img{aspect-ratio:16/9}
  .product-card h3{font-size:18px}
  .lifestyle-grid img{aspect-ratio:16/9}
  .benefit-card{padding:22px}
}