*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --pc-green:#4caf50;
  --pc-green-dark:#2e7d32;
  --pc-green-light:#e8f5e9;
  --pc-green-soft:#f1f8e9;
  --pc-mint:#81c784;
  --pc-yellow:#ffc107;
  --pc-pink:#f8bbd0;
  --pc-bg:#f9fbf7;
  --pc-text:#2e3d2e;
  --pc-text-light:#5a6b5a;
  --pc-border:#e0ebd8;
  --pc-white:#fff;
}
body{font-family:'Nunito','Noto Sans SC',-apple-system,sans-serif;color:var(--pc-text);background:var(--pc-bg);line-height:1.75;}
.pc-container{max-width:1180px;margin:0 auto;padding:0 20px;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}

/* utility bar */
.pc-utility{background:var(--pc-green-dark);color:#e8f5e9;font-size:13px;}
.pc-utility .pc-container{display:flex;justify-content:space-between;align-items:center;height:38px;}
.pc-tel-btn{background:var(--pc-yellow);color:#3e2723;padding:4px 14px;border-radius:20px;font-weight:600;}

/* header */
.pc-header{background:var(--pc-white);box-shadow:0 2px 12px rgba(76,175,80,.08);position:sticky;top:0;z-index:100;}
.pc-header-wrap{display:flex;justify-content:space-between;align-items:center;height:78px;}
.pc-brand{font-size:21px;font-weight:700;color:var(--pc-green-dark);}
.pc-brand span{display:block;font-size:12px;font-weight:400;color:var(--pc-green);margin-top:2px;font-family:'Noto Sans SC',sans-serif;}
.pc-nav{display:flex;gap:4px;flex-wrap:wrap;}
.pc-nav a{padding:8px 12px;font-size:14px;color:var(--pc-text-light);border-radius:20px;transition:.2s;}
.pc-nav a:hover{background:var(--pc-green-light);color:var(--pc-green-dark);}
.pc-toggle{display:none;background:none;border:none;font-size:24px;color:var(--pc-green-dark);cursor:pointer;}

/* hero */
.pc-hero{background:linear-gradient(135deg,#f1f8e9 0%,#e8f5e9 50%,#fff9c4 100%);padding:70px 0;overflow:hidden;}
.pc-hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;}
.pc-pill{display:inline-block;background:var(--pc-white);color:var(--pc-green-dark);padding:6px 18px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:22px;border:2px solid var(--pc-green);}
.pc-hero h1{font-size:42px;line-height:1.25;color:var(--pc-green-dark);margin-bottom:20px;}
.pc-hero p{font-size:16px;color:var(--pc-text-light);margin-bottom:30px;}
.pc-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px;}
.pc-btn{display:inline-block;padding:12px 26px;border-radius:30px;font-weight:600;transition:.2s;border:none;cursor:pointer;font-size:15px;font-family:inherit;}
.pc-btn-primary{background:var(--pc-green);color:#fff;box-shadow:0 4px 14px rgba(76,175,80,.3);}
.pc-btn-primary:hover{background:var(--pc-green-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(76,175,80,.4);}
.pc-btn-outline{background:transparent;color:var(--pc-green-dark);border:2px solid var(--pc-green);}
.pc-btn-outline:hover{background:var(--pc-green);color:#fff;}
.pc-btn-lg{padding:16px 40px;font-size:17px;}
.pc-hero-tel{display:inline-block;font-size:17px;font-weight:700;color:var(--pc-green-dark);}
.pc-hero-img img{border-radius:20px;box-shadow:0 20px 60px rgba(76,175,80,.2);}

/* sections */
section{padding:70px 0;}
.pc-section-title{text-align:center;font-size:30px;color:var(--pc-green-dark);margin-bottom:14px;}
.pc-section-sub{text-align:center;font-size:15px;color:var(--pc-text-light);max-width:720px;margin:0 auto 40px;}

/* pillars */
.pc-pillars{background:var(--pc-white);padding:50px 0;}
.pc-pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pc-pillar{background:var(--pc-green-soft);border-radius:16px;padding:28px;text-align:center;transition:.3s;border:2px solid transparent;}
.pc-pillar:hover{border-color:var(--pc-green);transform:translateY(-4px);background:#fff;}
.pc-pillar-ico{font-size:42px;margin-bottom:14px;}
.pc-pillar h3{font-size:17px;color:var(--pc-green-dark);margin-bottom:8px;}
.pc-pillar p{font-size:13px;color:var(--pc-text-light);}

/* timeline */
.pc-timeline{background:linear-gradient(180deg,var(--pc-bg) 0%,var(--pc-green-soft) 100%);}
.pc-tl-wrap{max-width:800px;margin:0 auto;position:relative;padding-left:30px;border-left:3px dashed var(--pc-mint);}
.pc-tl-item{margin-bottom:40px;position:relative;}
.pc-tl-item::before{content:"";position:absolute;left:-39px;top:6px;width:18px;height:18px;border-radius:50%;background:var(--pc-green);border:4px solid var(--pc-white);box-shadow:0 0 0 2px var(--pc-green);}
.pc-tl-time{display:inline-block;background:var(--pc-green);color:#fff;padding:4px 14px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:14px;}
.pc-tl-body{background:var(--pc-white);border-radius:12px;padding:24px;box-shadow:0 2px 10px rgba(76,175,80,.08);}
.pc-tl-body h3{font-size:18px;color:var(--pc-green-dark);margin-bottom:14px;}
.pc-tl-body ul{list-style:none;}
.pc-tl-body ul li{padding:7px 0;font-size:14px;color:var(--pc-text-light);padding-left:22px;position:relative;}
.pc-tl-body ul li::before{content:"🌱";font-size:11px;position:absolute;left:0;top:8px;}

/* check */
.pc-check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.pc-check-card{border-radius:16px;padding:28px;}
.pc-check-f{background:#fff3e0;border-top:5px solid #ff9800;}
.pc-check-f h3{color:#e65100;margin-bottom:16px;font-size:18px;}
.pc-check-m{background:#e3f2fd;border-top:5px solid #2196f3;}
.pc-check-m h3{color:#0d47a1;margin-bottom:16px;font-size:18px;}
.pc-check-card ul{list-style:none;}
.pc-check-card ul li{padding:8px 0;font-size:13px;color:var(--pc-text);border-bottom:1px dashed rgba(0,0,0,.08);line-height:1.6;}
.pc-check-card ul li:last-child{border-bottom:none;}
.pc-check-card ul li strong{color:var(--pc-green-dark);}

/* vaccine table */
.pc-vaccine-table{max-width:950px;margin:0 auto;background:var(--pc-white);border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.05);}
.pc-vaccine-row{display:grid;grid-template-columns:1.2fr 1.3fr 2.5fr;padding:16px 20px;font-size:14px;border-bottom:1px solid var(--pc-border);align-items:center;}
.pc-vaccine-head{background:var(--pc-green);color:#fff;font-weight:600;font-size:14px;border-bottom:none;}
.pc-vaccine-row span{padding:0 8px;}
.pc-vaccine-row span strong{color:var(--pc-green-dark);}
.pc-vaccine-head span strong{color:#fff;}
.pc-vaccine-note{max-width:950px;margin:20px auto 0;padding:14px 20px;background:#fff8e1;border-left:4px solid var(--pc-yellow);border-radius:6px;font-size:13px;color:#795548;}

/* nutri */
.pc-nutri-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pc-nutri-card{background:var(--pc-white);border-radius:14px;padding:22px;border:1px solid var(--pc-border);transition:.3s;}
.pc-nutri-card:hover{box-shadow:0 8px 20px rgba(76,175,80,.12);transform:translateY(-3px);}
.pc-nutri-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px;}
.pc-nutri-name{font-size:16px;font-weight:700;color:var(--pc-green-dark);}
.pc-nutri-dose{font-size:12px;background:var(--pc-green-light);color:var(--pc-green-dark);padding:3px 10px;border-radius:12px;font-weight:600;}
.pc-nutri-card p{font-size:13px;color:var(--pc-text-light);margin-bottom:8px;line-height:1.7;}
.pc-nutri-src{font-size:12px;color:var(--pc-mint)!important;background:var(--pc-green-soft);padding:6px 10px;border-radius:6px;margin:0!important;}

/* life */
.pc-life-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.pc-life-card{border-radius:16px;padding:28px;}
.pc-life-yes{background:var(--pc-green-light);border-left:6px solid var(--pc-green);}
.pc-life-yes h3{color:var(--pc-green-dark);margin-bottom:16px;}
.pc-life-no{background:#ffebee;border-left:6px solid #e53935;}
.pc-life-no h3{color:#b71c1c;margin-bottom:16px;}
.pc-life-card ul{list-style:none;}
.pc-life-card ul li{padding:8px 0;font-size:14px;color:var(--pc-text);border-bottom:1px dashed rgba(0,0,0,.08);}
.pc-life-card ul li:last-child{border-bottom:none;}

/* genetic */
.pc-genetic{background:var(--pc-white);}
.pc-genetic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.pc-g-card{background:var(--pc-green-soft);border-radius:12px;padding:22px;border-top:3px solid var(--pc-mint);}
.pc-g-card h4{font-size:15px;color:var(--pc-green-dark);margin-bottom:10px;}
.pc-g-card p{font-size:13px;color:var(--pc-text-light);line-height:1.7;}

/* faq */
.pc-faq-list{max-width:900px;margin:0 auto;}
.pc-faq-item{background:var(--pc-white);border-radius:12px;margin-bottom:12px;border:1px solid var(--pc-border);overflow:hidden;}
.pc-faq-item summary{padding:18px 24px;cursor:pointer;font-weight:600;color:var(--pc-green-dark);font-size:15px;list-style:none;position:relative;padding-right:45px;background:var(--pc-green-soft);}
.pc-faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--pc-green);transition:.2s;font-weight:700;}
.pc-faq-item[open] summary::after{content:"−";}
.pc-faq-item p{padding:18px 24px;font-size:14px;color:var(--pc-text-light);line-height:1.8;}

/* about */
.pc-about-box{background:linear-gradient(135deg,var(--pc-green-light),#fff);border-radius:20px;padding:50px 40px;text-align:center;}
.pc-about-box h2{font-size:28px;color:var(--pc-green-dark);margin-bottom:14px;}
.pc-about-box > p{font-size:15px;color:var(--pc-text-light);max-width:760px;margin:0 auto 36px;}
.pc-about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:left;}
.pc-about-grid > div{background:var(--pc-white);border-radius:12px;padding:22px;}
.pc-about-grid h4{font-size:15px;color:var(--pc-green-dark);margin-bottom:10px;}
.pc-about-grid p{font-size:13px;color:var(--pc-text-light);line-height:1.7;}

/* news — 强制保留ul.article-cards Grid */
ul.article-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;list-style:none;margin:0;padding:0;width:100%;box-sizing:border-box;}
ul.article-cards > li.article-card{min-width:0;width:auto;max-width:none;margin:0;float:none;box-sizing:border-box;background:var(--pc-white);border-radius:14px;overflow:hidden;border:1px solid var(--pc-border);transition:.3s;}
ul.article-cards > li.article-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(76,175,80,.12);}
.article-card .card-thumb{width:100%;overflow:hidden;}
.article-card .card-thumb img{display:block;width:100%;max-width:100%;height:180px;object-fit:cover;}
.article-card .card-title{overflow-wrap:anywhere;font-size:15px;font-weight:600;color:var(--pc-green-dark);padding:14px 16px 8px;}
.article-card .card-date{display:block;font-size:12px;color:var(--pc-mint);padding:0 16px 8px;}
.article-card .card-summary{overflow-wrap:anywhere;font-size:13px;color:var(--pc-text-light);padding:0 16px 16px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* cta */
.pc-cta{background:linear-gradient(135deg,var(--pc-green),var(--pc-green-dark));color:#fff;text-align:center;padding:70px 0;}
.pc-cta h2{font-size:30px;margin-bottom:14px;}
.pc-cta p{font-size:15px;opacity:.92;margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto;}
.pc-cta .pc-btn-primary{background:var(--pc-yellow);color:#3e2723;box-shadow:0 6px 20px rgba(255,193,7,.4);}
.pc-cta .pc-btn-primary:hover{background:#ffb300;}

/* detail */
.pc-detail{padding:40px 0 60px;background:var(--pc-bg);}
.pc-article{max-width:820px;margin:40px auto 0;background:var(--pc-white);border-radius:16px;padding:44px;box-shadow:0 4px 20px rgba(76,175,80,.08);}
.pc-article h1{font-size:28px;color:var(--pc-green-dark);margin-bottom:14px;line-height:1.4;}
.pc-meta{font-size:13px;color:var(--pc-mint);margin-bottom:24px;padding-bottom:14px;border-bottom:1px dashed var(--pc-border);}
.pc-cover{margin-bottom:24px;border-radius:12px;overflow:hidden;}
.pc-cover img{width:100%;height:auto;}
.pc-summary{background:var(--pc-green-soft);padding:18px 22px;border-left:5px solid var(--pc-green);font-size:15px;color:var(--pc-text-light);margin-bottom:28px;border-radius:0 10px 10px 0;line-height:1.8;}
.pc-content{font-size:15px;line-height:1.9;color:var(--pc-text);}
.pc-content h2,.pc-content h3{color:var(--pc-green-dark);margin:28px 0 14px;}
.pc-content h2{font-size:22px;}
.pc-content h3{font-size:18px;}
.pc-content p{margin-bottom:14px;}
.pc-content img{max-width:100%;border-radius:8px;margin:14px 0;}
.pc-disclaimer{margin-top:36px;padding:20px;background:#fff8e1;border-radius:10px;border-left:5px solid var(--pc-yellow);font-size:13px;color:#795548;}
.pc-disclaimer h4{color:#f57c00;margin-bottom:8px;}
.pc-navbox{margin-top:40px;padding-top:30px;border-top:1px solid var(--pc-border);}
.pc-navbox h4{font-size:17px;color:var(--pc-green-dark);margin-bottom:16px;}
.pc-navlinks{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:24px;}
.pc-navlinks a{padding:12px 14px;background:var(--pc-green-light);border-radius:20px;font-size:14px;color:var(--pc-green-dark);text-align:center;font-weight:600;}
.pc-navlinks a:hover{background:var(--pc-green);color:#fff;}
.pc-navcta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* footer */
.pc-footer{background:#1b5e20;color:#c8e6c9;padding:60px 0 20px;}
.pc-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:40px;}
.pc-footer-brand h3{color:#fff;font-size:19px;margin-bottom:14px;}
.pc-footer-brand p{font-size:13px;line-height:1.8;margin-bottom:18px;}
.pc-footer-tel{color:var(--pc-yellow);font-size:18px;font-weight:700;}
.pc-footer-grid > div > h4{color:#fff;font-size:15px;margin-bottom:16px;}
.pc-footer-grid a{display:block;font-size:13px;color:#a5d6a7;padding:5px 0;}
.pc-footer-grid a:hover{color:var(--pc-yellow);}
.pc-copyright{border-top:1px solid #2e7d32;padding-top:20px;font-size:12px;display:flex;gap:24px;flex-wrap:wrap;justify-content:center;}
.pc-copyright a{color:#a5d6a7;}
.pc-copyright a:hover{color:var(--pc-yellow);}

/* responsive */
@media(max-width:900px){
  .pc-toggle{display:block;}
  .pc-nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--pc-white);flex-direction:column;padding:14px 20px;gap:2px;box-shadow:0 4px 16px rgba(0,0,0,.08);}
  .pc-nav.pc-navopen{display:flex;}
  .pc-nav a{padding:12px 0;border-bottom:1px solid var(--pc-border);border-radius:0;}
  .pc-hero-grid{grid-template-columns:1fr;}
  .pc-hero h1{font-size:32px;}
  .pc-pillar-grid,.pc-check-grid,.pc-nutri-grid,.pc-life-grid,.pc-genetic-grid,.pc-about-grid,.pc-navlinks,.pc-footer-grid{grid-template-columns:1fr;}
  .pc-vaccine-row{grid-template-columns:1fr;gap:4px;}
  .pc-vaccine-row span{padding:4px 0;}
  .pc-article{padding:24px;}
  section{padding:50px 0;}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}}