:root{
  --green-900:#0f3d2a;
  --green-700:#155c3e;
  --green-500:#1f7a52;
  --green-100:#eaf4ee;
  --gold:#f4b740;
  --gold-soft:#fdf3df;
  --ink:#26352c;
  --muted:#5e7064;
  --line:#d9e7df;
  --bg:#f7faf7;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px;}
a{color:inherit;text-decoration:none;}

/* 语言切换显隐 */
.zh{display:inline;}
.en{display:none;}
body.lang-en .zh{display:none;}
body.lang-en .en{display:inline;}
.m-only{display:none;}

/* 顶部条 */
.topbar{background:var(--green-900);color:#cdeede;font-size:13px;}
.topbar-inner{padding:8px 22px;}
.topbar .en{color:#cdeede;}

/* 头部 */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(15,61,42,.05);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{width:60px;height:52px;border-radius:8px;background:var(--green-100);padding:3px;object-fit:contain;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:20px;color:var(--green-900);}
.brand-text i{font-style:normal;font-size:12px;color:var(--muted);}
.prod-feature{margin:8px 0 0;font-size:14px;font-weight:600;color:var(--green-700);}
.prod-feature .en{font-weight:400;color:var(--muted);}
.main-nav{display:flex;gap:2px;flex-wrap:wrap;}
.main-nav a{padding:10px 12px;font-size:14px;color:var(--ink);border-radius:8px;transition:.2s;white-space:nowrap;}
.main-nav a:hover{background:var(--green-100);color:var(--green-700);}
.header-right{display:flex;align-items:center;gap:10px;}
.lang-btn{background:var(--green-700);color:#fff;border:none;padding:8px 14px;border-radius:20px;font-size:13px;cursor:pointer;font-weight:600;}
.lang-btn:hover{background:var(--green-500);}
.menu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--green-900);}

/* 导航下拉（关于海之灵 二级目录） */
.nav-item{position:relative;}
.has-dropdown > a{display:inline-flex;align-items:center;gap:4px;}
.has-dropdown > a::after{content:"";width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.7;transition:.2s;}
.has-dropdown:hover > a::after{transform:rotate(180deg);}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:148px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px rgba(15,61,42,.16);padding:8px;opacity:0;visibility:hidden;transition:.2s;z-index:60;}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(4px);}
.dropdown a{display:block;padding:9px 14px;border-radius:8px;font-size:14px;color:var(--ink);white-space:nowrap;}
.dropdown a:hover{background:var(--green-100);color:var(--green-700);}

/* 首页横屏大图轮播 */
.home-banner{position:relative;width:100%;overflow:hidden;background:var(--green-100);}
.banner-track{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1);will-change:transform;}
.banner-slide{flex:0 0 100%;min-width:100%;}
.banner-slide img{display:block;width:100%;height:auto;max-height:260px;object-fit:cover;background:var(--green-100);}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1.5px solid rgba(255,255,255,.7);background:rgba(15,61,42,.32);color:#fff;font-size:28px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);transition:.2s;z-index:2;user-select:none;}
.banner-arrow:hover{background:rgba(15,61,42,.62);transform:translateY(-50%) scale(1.06);}
.banner-prev{left:18px;}
.banner-next{right:18px;}
.banner-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:9px;z-index:2;}
.banner-dots button{width:10px;height:10px;border-radius:50%;border:1.5px solid rgba(255,255,255,.85);background:rgba(15,61,42,.25);cursor:pointer;padding:0;transition:.25s;}
.banner-dots button.is-active{background:#fff;width:26px;border-radius:6px;border-color:#fff;}

@media (max-width:780px){
  .banner-arrow{width:36px;height:36px;font-size:22px;}
  .banner-prev{left:8px;}
  .banner-next{right:8px;}
  .banner-slide img{max-height:300px;}
  .banner-dots{bottom:10px;gap:6px;}
  .banner-dots button{width:8px;height:8px;}
  .banner-dots button.is-active{width:18px;}
}

/* 英雄区 */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--green-900),var(--green-500));color:#fff;text-align:center;padding:28px 22px;}
.hero-deco{position:absolute;inset:0;pointer-events:none;}
.leaf{position:absolute;width:340px;height:340px;}
.leaf-1{top:-120px;right:-80px;}
.leaf-2{bottom:-140px;left:-100px;}
.hero-inner{position:relative;z-index:1;}
.hero-tag{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:5px 14px;border-radius:20px;font-size:12px;margin-bottom:10px;letter-spacing:.5px;}
.hero h1{font-size:28px;margin-bottom:10px;letter-spacing:.5px;}
.hero-sub{font-size:14px;color:#d6f0e1;max-width:720px;margin:0 auto 16px;}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn{padding:13px 32px;border-radius:30px;font-weight:700;font-size:15px;display:inline-block;transition:.2s;}
.btn-primary{background:var(--gold);color:var(--green-900);}
.btn-primary:hover{background:#ffd574;transform:translateY(-2px);}
.btn-ghost{border:2px solid rgba(255,255,255,.7);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);}

/* 通用区块 */
.section{padding:34px 0;}
.sec-head{text-align:center;margin-bottom:22px;}
.sec-head h2{font-size:28px;color:var(--green-900);}
.sec-line{display:block;width:56px;height:3px;background:var(--gold);margin:10px auto 0;}
.sec-desc{margin-top:8px;color:var(--muted);font-size:15px;}

/* 新闻中心：每个分类首页仅显示前 3 条，其余折叠 */
.news-cat-list li.is-hidden{display:none;}
.news-more-wrap{list-style:none;}
.news-more-btn{display:inline-flex;align-items:center;gap:6px;margin:10px 0 4px;padding:8px 18px;border:1px solid var(--green-500);border-radius:999px;background:#fff;color:var(--green-700);font-size:13px;font-weight:600;cursor:pointer;transition:.18s;font-family:inherit;}
.news-more-btn:hover{background:var(--green-500);color:#fff;}
.news-more-count{font-weight:700;}
.news-more-icon{transition:transform .2s;}
.news-more-btn[data-state="open"] .news-more-icon{transform:rotate(180deg);}
.ph-note{margin-top:20px;text-align:center;font-size:13px;color:#9bab9f;}

/* 核心优势 */
.advantages{background:#fff;}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.adv-card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:28px 20px;text-align:center;transition:.2s;}
.adv-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(15,61,42,.1);border-color:var(--green-500);}
.adv-icon{font-size:34px;margin-bottom:12px;}
.adv-card h3{font-size:17px;color:var(--green-900);margin-bottom:8px;}
.adv-card p{font-size:13.5px;color:var(--muted);}

/* 公司 / 工厂 / 基地 通用 */
.company{background:#fff;}
.factory{background:var(--green-100);}
.base{background:#fff;}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.about-text p{margin-bottom:12px;color:#46584c;}
.about-media img{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);box-shadow:0 6px 22px rgba(15,61,42,.08);}
.timeline{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;justify-content:center;}
.tl-item{flex:1 1 180px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center;}
.tl-year{display:block;font-weight:800;color:var(--green-700);font-size:20px;margin-bottom:6px;}
.tl-item p{font-size:13px;color:var(--muted);}

/* 画廊 */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:16px;}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;border:1px solid var(--line);transition:.25s;}
.gallery img:hover{transform:scale(1.02);box-shadow:0 10px 24px rgba(15,61,42,.14);}
.gallery figure{margin:0;}
.gallery figcaption{margin-top:8px;font-size:13px;color:var(--green-700);text-align:center;}

/* 关于元宝枫 · 图集横向滚动（每张卡片显示 1 张封面，点击放大） */
.yb-albums{margin-top:18px;display:flex;flex-direction:row;gap:16px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.yb-albums::-webkit-scrollbar{height:8px;}
.yb-albums::-webkit-scrollbar-thumb{background:var(--green-100);border-radius:4px;}
.yb-albums::-webkit-scrollbar-thumb:hover{background:var(--green-500,#1f7a52);}
.yb-albums::-webkit-scrollbar-track{background:transparent;}
/* 关于元宝枫 · 图集条 */
.yb-strip{background:#fff;padding:16px 0 10px;}
.yb-strip .sec-head{margin-bottom:14px;}
.yb-strip .sec-head h2{font-size:22px;}
.yb-strip .sec-desc{font-size:13px;}

/* 关于元宝枫 · 横向图集卡片 */
.yb-album-card{flex:0 0 auto;width:200px;scroll-snap-align:start;}
.yb-album-btn{display:block;width:100%;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;cursor:pointer;padding:0;text-align:left;font:inherit;color:inherit;transition:transform .2s,box-shadow .2s,border-color .2s;}
.yb-album-btn:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(15,61,42,.16);border-color:var(--green-500,#1f7a52);}
.yb-album-cover{display:block;position:relative;aspect-ratio:4/3;background:#f5f5f5;}
.yb-album-cover img{width:100%;height:100%;object-fit:cover;display:block;}
.yb-album-cover::after{content:"查看全部";position:absolute;right:10px;bottom:10px;background:rgba(15,61,42,.8);color:#fff;font-size:12px;line-height:1;padding:5px 11px;border-radius:20px;opacity:0;transition:opacity .2s;}
.yb-album-btn:hover .yb-album-cover::after{opacity:1;}
.yb-album-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 15px;}
.yb-album-title{font-weight:700;color:var(--green-900);font-size:16px;display:flex;align-items:baseline;gap:8px;}
.yb-album-title .en{font-size:12px;font-weight:500;color:var(--muted);}
.yb-album-count{font-size:12px;color:var(--muted);background:var(--green-100);padding:3px 10px;border-radius:14px;font-weight:600;white-space:nowrap;}

/* 关于元宝枫 · 放大灯箱 */
.yb-lightbox{position:fixed;inset:0;z-index:2000;display:none;}
.yb-lightbox.open{display:block;}
.yb-lightbox-mask{position:absolute;inset:0;background:rgba(8,20,14,.86);}
.yb-lightbox-panel{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(960px,92vw);max-height:92vh;background:#fff;border-radius:16px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.4);}
.yb-lightbox-close{position:absolute;right:12px;top:10px;z-index:3;width:38px;height:38px;border:none;border-radius:50%;background:rgba(255,255,255,.92);color:var(--green-900);font-size:24px;line-height:1;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.2);}
.yb-lightbox-close:hover{background:#fff;}
.yb-lightbox-head{display:flex;align-items:center;gap:12px;padding:15px 20px;border-bottom:1px solid var(--line);}
.yb-lightbox-title{font-size:18px;font-weight:700;color:var(--green-900);}
.yb-lightbox-title.en{font-size:13px;font-weight:500;color:var(--muted);}
.yb-lightbox-counter{margin-left:auto;font-size:13px;color:var(--muted);font-weight:600;}
.yb-lightbox-stage{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;background:#f3f6f4;padding:20px;}
.yb-lightbox-img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.18);}
.yb-lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:none;border-radius:50%;background:rgba(15,61,42,.78);color:#fff;font-size:26px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(0,0,0,.3);transition:background .2s;z-index:2;}
.yb-lightbox-nav:hover{background:var(--green-700);}
.yb-lightbox-nav.prev{left:14px;}
.yb-lightbox-nav.next{right:14px;}
.yb-lightbox-thumbs{display:flex;gap:8px;padding:12px 16px;overflow-x:auto;background:#fff;border-top:1px solid var(--line);}
.yb-lightbox-thumb{flex:0 0 auto;width:74px;height:74px;border:2px solid transparent;border-radius:8px;overflow:hidden;padding:0;cursor:pointer;background:#f5f5f5;}
.yb-lightbox-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.yb-lightbox-thumb.active{border-color:var(--green-700);}
.yb-lightbox-thumbs::-webkit-scrollbar{height:6px;}
.yb-lightbox-thumbs::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px;}

@media(max-width:520px){
  .yb-album-card{width:200px;}
  .yb-album-title{font-size:15px;}
  .yb-lightbox-panel{width:96vw;max-height:94vh;}
  .yb-lightbox-thumb{width:60px;height:60px;}
  .yb-lightbox-nav{width:38px;height:38px;font-size:22px;}
  .yb-lightbox-stage{padding:14px;}
}
.album{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;}
.album-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 22px;border:none;background:var(--green-100);cursor:pointer;font:inherit;color:var(--green-900);transition:background .2s;}
.album-head:hover{background:var(--green-200,#d7ecdf);}
.album-title{font-size:17px;font-weight:700;display:flex;align-items:baseline;gap:10px;}
.album-title .en{font-size:13px;font-weight:500;color:var(--muted);}
.album-ic{width:16px;height:16px;position:relative;flex:none;transition:transform .3s;}
.album-ic::before,.album-ic::after{content:"";position:absolute;background:var(--green-700);border-radius:2px;}
.album-ic::before{left:0;top:7px;width:16px;height:2px;}
.album-ic::after{left:7px;top:0;width:2px;height:16px;transition:transform .3s;}
.album.collapsed .album-ic::after{transform:scaleY(0);}
.album-body{overflow:hidden;transition:max-height .4s ease;padding:18px 22px 22px;}
.album.collapsed .album-body{max-height:0 !important;padding-top:0;padding-bottom:0;}

/* ===== 元宝枫图集：封面 + 折叠可滚动网格 ===== */
.album-count{font-size:12px;color:var(--muted);background:#fff;padding:3px 11px;border-radius:14px;font-weight:600;border:1px solid var(--line);}
.album-preview{padding:0 18px 18px;}
.album-preview img{width:100%;max-height:320px;object-fit:cover;border-radius:10px;display:block;box-shadow:0 4px 14px rgba(15,61,42,.1);background:#f5f5f5;}
.album:not(.collapsed) .album-body{max-height:560px;overflow-y:auto;padding:0 18px 18px;}
/* 自定义滚动条 */
.album-body::-webkit-scrollbar{width:8px;}
.album-body::-webkit-scrollbar-thumb{background:var(--green-100);border-radius:4px;}
.album-body::-webkit-scrollbar-thumb:hover{background:var(--green-500,#1f7a52);}
.album-body::-webkit-scrollbar-track{background:transparent;}
.album-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding-top:6px;}
.album-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:6px;cursor:pointer;transition:transform .2s,box-shadow .2s;background:#f5f5f5;}
.album-grid img:hover{transform:scale(1.04);box-shadow:0 6px 16px rgba(15,61,42,.22);z-index:1;}
@media(max-width:640px){
  .album-grid{grid-template-columns:repeat(3,1fr);}
  .album:not(.collapsed) .album-body{max-height:480px;}
}

.carousel{margin-top:2px;}
.car-row{display:flex;align-items:center;gap:6px;}
.car-view{flex:1;overflow:hidden;border-radius:12px;}
.car-track{display:flex;transition:transform .45s cubic-bezier(.4,0,.2,1);will-change:transform;}
.car-slide{flex:0 0 100%;min-width:100%;margin:0;padding:0;}
.car-slide img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;border:1px solid var(--line);display:block;}
.car-slide figcaption{margin-top:8px;font-size:13px;color:var(--green-700);text-align:center;}
.car-arrow{flex:none;width:40px;height:40px;border:none;border-radius:50%;background:rgba(15,61,42,.78);color:#fff;font-size:24px;line-height:1;cursor:pointer;box-shadow:0 6px 16px rgba(15,61,42,.3);transition:background .2s;display:flex;align-items:center;justify-content:center;}
.car-arrow:hover{background:var(--green-700);}
.car-dots{display:flex;justify-content:center;gap:8px;margin-top:12px;}
.car-dot{width:10px;height:10px;border-radius:50%;border:none;background:var(--line);cursor:pointer;padding:0;transition:.2s;}
.car-dot:hover{background:var(--green-500);}
.car-dot.active{background:var(--green-700);width:22px;border-radius:6px;}

/* 关于海之灵 · 二级目录 + 左右滑动 */
.section.about-hzl{background:#fff;padding-bottom:0;}
.about-hzl .sec-head{margin-bottom:16px;}
.about-subnav{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;}
.sub-tab{flex:0 0 auto;border:1px solid var(--line);background:var(--bg);color:var(--green-700);padding:10px 22px;border-radius:24px;font-size:15px;font-weight:600;cursor:pointer;transition:.2s;white-space:nowrap;}
.sub-tab:hover{background:var(--green-100);}
.sub-tab.active{background:var(--green-700);color:#fff;border-color:var(--green-700);box-shadow:0 6px 16px rgba(15,61,42,.18);}

.slider{position:relative;overflow:hidden;border-radius:16px;touch-action:pan-y;user-select:none;transition:height .45s cubic-bezier(.4,0,.2,1);}
.slider-track{display:flex;transition:transform .5s cubic-bezier(.4,0,.2,1);will-change:transform;}
.slide{flex:0 0 100%;min-width:100%;padding:4px;}
/* 让每张 slide 内容在容器内纵向铺开 */
.slide .about-grid{margin-bottom:0;}

.slider-dots{display:flex;justify-content:center;gap:10px;margin-top:16px;}
.dot{width:11px;height:11px;border-radius:50%;border:none;background:var(--line);cursor:pointer;transition:.2s;padding:0;}
.dot:hover{background:var(--green-500);}
.dot.active{background:var(--green-700);width:26px;border-radius:6px;}

/* 产品 */
.section.products{background:var(--green-100);padding-top:0;}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 6px 22px rgba(15,61,42,.06);transition:.2s;}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(15,61,42,.14);}
.card-ph{aspect-ratio:1/1;background:linear-gradient(135deg,#e3f0e8,#cfe7d9);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);}
.card-ph svg{width:55%;height:auto;}
.card-ph .prod-img{width:78%;height:78%;object-fit:contain;}
.card-body{padding:22px;}
.card-body h3{font-size:17px;color:var(--green-900);margin-bottom:10px;line-height:1.4;}
.card-body p{font-size:14px;color:var(--muted);margin-bottom:14px;}
.tag{display:inline-block;background:var(--gold-soft);color:#9a6f12;border:1px solid #f0d9a0;padding:4px 12px;border-radius:18px;font-size:12px;font-weight:600;}

/* 关于元宝枫 */
.yuanbao{background:#fff;}
.yb-intro{max-width:880px;margin:0 auto 24px;font-size:15.5px;color:#46584c;text-align:justify;}
.yb-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:10px;}
.yb-col{background:var(--green-100);border:1px solid var(--line);border-radius:14px;padding:26px 22px;}
.yb-col h3{color:var(--green-900);font-size:18px;margin-bottom:10px;}
.yb-col p{font-size:14px;color:var(--muted);}

/* 关于神经酸 */
.nerve{background:var(--green-100);}
.nerve-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:720px;margin:18px auto 0;}
.nerve-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px;transition:.2s;}
.nerve-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(15,61,42,.12);}
.nerve-card h4{color:var(--green-900);font-size:16px;margin-bottom:8px;}
.nerve-card p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* 资质 */
.honors{background:#fff;}
.honors-intro{text-align:center;max-width:760px;margin:0 auto 18px;color:var(--muted);font-size:15px;line-height:1.85;}
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.honor-card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:24px 14px;text-align:center;color:var(--green-700);transition:.2s;}
.honor-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(15,61,42,.1);}
.honor-ic{font-size:30px;margin-bottom:10px;}
.honor-card span:not(.honor-ic){font-size:14px;line-height:1.45;display:block;}

/* 证书墙 */
.cert-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;margin-top:16px;}
.cert-item{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(15,61,42,.06);transition:.25s;}
.cert-item:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(15,61,42,.16);border-color:var(--green-500);}
.cert-item img{width:100%;aspect-ratio:3/4;object-fit:contain;background:#fbfdfb;padding:8px;}

/* 证书分组标题 / 长图竖排 */
.cert-wall-label{margin-top:16px;text-align:center;font-weight:700;color:var(--green-800);font-size:16px;letter-spacing:.5px;}
.cert-wall-label .en{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-top:3px;}
.info-gallery{display:flex;flex-direction:column;align-items:center;gap:20px;margin-top:24px;}
.info-gallery img{width:min(440px,100%);height:auto;border-radius:14px;box-shadow:0 8px 24px rgba(15,61,42,.12);background:#fff;}

/* 新闻 */
.news{background:var(--green-100);}
.news-list{list-style:none;max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:18px;}
.news-list li{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;transition:.2s;}
.news-list li:hover{box-shadow:0 8px 22px rgba(15,61,42,.08);}
.news-date{flex:0 0 72px;font-weight:700;color:var(--green-700);font-size:15px;padding-top:2px;}
.news-body h3{font-size:17px;color:var(--green-900);margin-bottom:6px;}
.news-body p{font-size:14px;color:var(--muted);}

/* 招商 */
.partner{background:linear-gradient(135deg,var(--green-700),var(--green-900));color:#eafff2;}
.partner .sec-head h2{color:#fff;}
.partner .sec-line{background:var(--gold);}
.partner .sec-desc{color:#a9d8bf;}
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.partner-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:28px 22px;}
.partner-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.partner-card p{color:#cdeede;font-size:14px;}
.partner-cta{text-align:center;margin-top:24px;display:flex;flex-direction:column;align-items:center;gap:16px;}
.partner-cta p{color:#d6f0e1;font-size:15px;}

/* 联系 */
.contact{background:#fff;}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;}
.contact-box{background:var(--green-100);border:1px solid var(--line);padding:30px;border-radius:14px;}
.contact-box h3{color:var(--green-900);margin-bottom:8px;font-size:17px;}
.contact-box h3:not(:first-child){margin-top:22px;}
.contact-box p{color:#46584c;font-size:15px;}
.contact-box .muted{color:var(--muted);font-size:14px;margin-bottom:18px;}
.qr-row{display:flex;gap:22px;flex-wrap:wrap;}
.qr-row figure{text-align:center;}
.qr-row img{width:120px;height:120px;background:#fff;padding:6px;border-radius:10px;border:1px solid var(--line);}
.qr-row figcaption{margin-top:8px;font-size:13px;color:var(--green-700);}

/* 联系我们-地图 */
.contact-map{margin-top:20px;}
.map-title{font-size:18px;color:var(--green-900);margin-bottom:14px;}
.map-frame{position:relative;width:100%;height:360px;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 8px 24px rgba(15,61,42,.08);background:var(--green-100);}
.map-frame iframe{width:100%;height:100%;display:block;}
.map-addr{margin:14px 0 12px;color:var(--muted);font-size:14px;line-height:1.7;}
.map-links{display:flex;gap:12px;flex-wrap:wrap;}
.map-link{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:999px;background:var(--green-700);color:#fff;font-size:14px;font-weight:600;transition:background .2s,transform .2s;}
.map-link:hover{background:var(--green-900);transform:translateY(-1px);}
.leaflet-container{background:var(--green-100);font-family:inherit;}
.leaflet-container a{color:var(--green-700);}
/* 自定义标记点 */
.map-pin{filter:drop-shadow(0 2px 5px rgba(0,0,0,.35));}
.map-pin-dot{display:block;width:22px;height:22px;background:var(--green-700);border:4px solid #fff;border-radius:50%;box-sizing:border-box;}
/* 弹窗 */
.map-popup .leaflet-popup-content-wrapper{border-radius:12px;box-shadow:0 8px 24px rgba(15,61,42,.18);}
.map-popup .leaflet-popup-content{margin:12px 14px;font-size:13.5px;line-height:1.65;color:var(--ink);}
.map-pop b{display:block;color:var(--green-900);font-size:15px;margin-bottom:4px;}
.map-pop .en{color:var(--muted);font-size:12.5px;}
@media (max-width:780px){
  .map-frame{height:280px;}
}

/* 页脚 */
.site-footer{background:#0a2a1d;color:#9fd9b8;text-align:center;padding:26px 22px;font-size:13px;}
.site-footer .footer-meta{margin-top:6px;color:#6fae8c;font-size:12px;}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

/* 回到顶部 */
.to-top{position:fixed;right:22px;bottom:24px;z-index:60;width:46px;height:46px;border:none;border-radius:50%;background:var(--green-700);color:#fff;font-size:22px;line-height:1;cursor:pointer;box-shadow:0 6px 18px rgba(15,61,42,.3);opacity:0;visibility:hidden;transform:translateY(12px);transition:.25s;}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--green-500);}

/* 响应式 */
@media(max-width:980px){
  .adv-grid{grid-template-columns:repeat(2,1fr);}
  .honor-grid{grid-template-columns:repeat(2,1fr);}
  .nerve-grid{grid-template-columns:repeat(2,1fr);}
  .yb-cols{grid-template-columns:1fr;}
}
@media(max-width:860px){
  .main-nav{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 22px;box-shadow:0 8px 18px rgba(15,61,42,.12);display:none;}
  body.nav-open .main-nav{display:flex;}
  .menu-btn{display:block;}
  .hero h1{font-size:28px;}
  .about-grid,.product-grid,.contact-grid,.partner-grid{grid-template-columns:1fr;}
  .product-grid{gap:18px;}
  .section{padding:26px 0;}
  /* 移动端下拉展开为内联二级目录 */
  .has-dropdown > a::after{display:none;}
  .dropdown{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;background:var(--green-100);padding:6px 8px;margin-top:4px;display:flex;flex-direction:column;gap:4px;}
  .dropdown a{padding:8px 12px;font-size:14px;}
}
@media(max-width:520px){
  .topbar{font-size:13.5px;line-height:1.65;text-align:center;}
  .topbar-inner{padding:9px 14px;}
  .m-only{display:block;}
  .about-subnav{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;justify-items:stretch;}
  .sub-tab{width:100%;text-align:center;padding:8px 12px;font-size:14px;}
  .adv-grid{grid-template-columns:1fr;}
  .honor-grid{grid-template-columns:repeat(2,1fr);}
  .nerve-grid{grid-template-columns:1fr;}
  .news-list li{flex-direction:column;gap:8px;}
  .news-date{flex:none;}
  .news-item{flex-direction:column;align-items:flex-start;gap:4px;padding:14px 18px;}
  .news-item-title{font-size:14.5px;}
}

/* 产品详情页 */
.product-detail .hero{background:var(--green-100);color:var(--ink);text-align:left;padding:10px 0 10px;}
.product-detail .hero h1{color:var(--green-900);font-size:34px;margin-bottom:10px;}
.product-detail .hero .subtitle{font-size:17px;color:var(--muted);}
.product-hero{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:10px;}
.product-visual{background:#fff;border-radius:16px;padding:28px;border:1px solid var(--line);box-shadow:0 10px 30px rgba(15,61,42,.08);text-align:center;}
.product-visual img{max-width:100%;max-height:420px;object-fit:contain;}
.thumb-row{display:flex;gap:10px;justify-content:center;margin-top:18px;flex-wrap:wrap;}
.thumb-row img{width:72px;height:72px;object-fit:cover;border-radius:8px;border:2px solid transparent;cursor:pointer;transition:.2s;background:#fff;}
.thumb-row img:hover,.thumb-row img.active{border-color:var(--green-500);}
.product-info .price-row{display:flex;align-items:baseline;gap:14px;margin:20px 0;flex-wrap:wrap;}
.price{font-size:32px;font-weight:800;color:var(--green-700);}
.price-note{font-size:13px;color:var(--muted);}
.btn-buy{background:var(--green-700);color:#fff;border:none;padding:14px 34px;border-radius:30px;font-size:15px;font-weight:700;cursor:pointer;transition:.2s;display:inline-block;text-align:center;}
.btn-buy:hover{background:var(--green-500);transform:translateY(-2px);}
.btn-outline{background:#fff;color:var(--green-700);border:2px solid var(--green-700);padding:12px 30px;border-radius:30px;font-size:15px;font-weight:700;cursor:pointer;transition:.2s;display:inline-block;text-align:center;margin-left:10px;}
.btn-outline:hover{background:var(--green-100);}
.btn-wechat{background:#07c160;color:#fff;border:2px solid #07c160;padding:12px 30px;border-radius:30px;font-size:15px;font-weight:700;cursor:pointer;transition:.2s;display:inline-block;text-align:center;margin-left:10px;}
.btn-wechat:hover{background:#06ad56;border-color:#06ad56;transform:translateY(-2px);}
.spec-table{width:100%;border-collapse:collapse;margin-top:22px;font-size:14px;}
.spec-table th,.spec-table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.spec-table th{width:130px;color:var(--green-700);font-weight:600;background:var(--bg);}
.detail-section{padding:20px 0;}
.detail-section:nth-child(even){background:#fff;}
.detail-section h2{font-size:24px;color:var(--green-900);margin-bottom:14px;}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.feature-item{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px;}
.feature-item h4{color:var(--green-700);margin-bottom:8px;}
.feature-item p{font-size:14px;color:var(--muted);}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:20px;}
.gallery-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;border:1px solid var(--line);}
.long-desc{max-width:800px;margin:0 auto;font-size:15px;color:#46584c;line-height:1.8;}
.long-desc img{max-width:100%;border-radius:12px;margin:16px 0;}
.related{padding:20px 0;background:var(--green-100);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.related-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 6px 18px rgba(15,61,42,.06);transition:.2s;text-decoration:none;color:inherit;display:block;}
.related-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(15,61,42,.12);}
.related-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.related-card .rc-body{padding:18px;}
.related-card h4{font-size:16px;color:var(--green-900);margin-bottom:6px;}
.related-card p{font-size:13px;color:var(--muted);}
.badge-inline{display:inline-block;background:var(--gold-soft);color:#9a6f12;border:1px solid #f0d9a0;padding:4px 12px;border-radius:18px;font-size:12px;font-weight:600;margin-right:6px;margin-bottom:6px;}
.card-body .detail-link{display:inline-block;margin-top:14px;color:var(--green-700);font-weight:600;font-size:14px;text-decoration:none;}
.card-body .detail-link:hover{color:var(--green-500);}
@media(max-width:860px){
  .product-hero{grid-template-columns:1fr;}
  .feature-list{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
}
@media(max-width:520px){
  .price{font-size:26px;}
  .btn-outline{margin-left:0;margin-top:10px;display:block;}
  .btn-wechat{margin-left:0;margin-top:10px;display:block;}
}

/* ===== 微信小程序下单 · 扫码兜底弹层 ===== */
.mp-fallback{position:fixed;inset:0;background:rgba(0,0,0,.62);display:none;align-items:center;justify-content:center;z-index:9999;padding:24px;}
.mp-fallback.show{display:flex;}
.mp-fallback .box{background:#fff;border-radius:16px;padding:22px 20px;text-align:center;max-width:300px;box-shadow:0 12px 40px rgba(0,0,0,.25);}
.mp-fallback .mp-tip{font-size:14px;color:#333;margin:0 0 12px;line-height:1.5;}
.mp-fallback img{width:180px;height:180px;object-fit:contain;border-radius:8px;}
.mp-fallback .mp-close{display:inline-block;margin-top:14px;color:#07c160;font-weight:700;cursor:pointer;}

/* ===== 新闻中心 / 资讯分类 ===== */
.news-center{max-width:960px;margin:0 auto;}
.news-cat{background:#fff;border:1px solid #e3ece6;border-radius:14px;margin-bottom:16px;overflow:hidden;box-shadow:0 4px 18px rgba(15,61,42,.05);}
.news-cat-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;background:linear-gradient(90deg,var(--green-100),#fff);border:none;cursor:pointer;text-align:left;font:inherit;}
.cat-name{font-size:19px;font-weight:700;color:var(--green-900);}
.cat-meta{display:flex;align-items:center;gap:10px;color:var(--muted);}
.cat-count{font-size:13px;background:#fff;border:1px solid #d8e6dd;border-radius:20px;padding:2px 11px;color:var(--green-700);font-weight:600;}
.cat-arrow{font-size:14px;transition:transform .25s ease;color:var(--green-500);}
.news-cat.open .cat-arrow{transform:rotate(180deg);}
.news-cat-list{list-style:none;margin:0;padding:0;max-height:0;overflow:hidden;transition:max-height .35s ease;}
.news-cat.open .news-cat-list{max-height:2600px;}
.news-item{width:100%;display:flex;align-items:center;gap:14px;padding:15px 22px;border-top:1px solid #eef3f0;background:#fff;cursor:pointer;text-align:left;font:inherit;transition:background .2s;}
.news-item:hover{background:var(--green-100);}
.news-item-date{flex:0 0 auto;font-size:13px;color:var(--green-700);font-weight:600;letter-spacing:.3px;min-width:78px;}
.news-item-title{flex:1;font-size:15px;color:#22352b;line-height:1.5;}
.news-item-go{flex:0 0 auto;color:var(--green-500);font-size:16px;opacity:.6;transition:transform .2s,opacity .2s;}
.news-item:hover .news-item-go{transform:translateX(4px);opacity:1;}
.news-empty{padding:18px 22px;color:var(--muted);font-size:14px;}

/* ===== 新闻弹层 ===== */
body.modal-open{overflow:hidden;}
.news-modal{position:fixed;inset:0;z-index:1000;display:none;}
.news-modal.open{display:block;}
.news-modal-mask{position:absolute;inset:0;background:rgba(10,30,22,.55);backdrop-filter:blur(2px);}
.news-modal-panel{position:relative;max-width:840px;width:calc(100% - 40px);max-height:86vh;margin:5vh auto 0;background:#fff;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.35);display:flex;flex-direction:column;overflow:hidden;animation:newsPop .25s ease;}
@keyframes newsPop{from{opacity:0;transform:translateY(18px) scale(.98);}to{opacity:1;transform:none;}}
.news-modal-close{position:absolute;top:12px;right:14px;z-index:2;width:36px;height:36px;border:none;border-radius:50%;background:rgba(15,61,42,.08);color:var(--green-900);font-size:22px;line-height:1;cursor:pointer;transition:background .2s;}
.news-modal-close:hover{background:rgba(15,61,42,.16);}
.news-modal-scroll{overflow-y:auto;padding:40px 44px 48px;}
.news-modal-title{font-size:24px;color:var(--green-900);line-height:1.4;margin:0 0 8px;}
.news-modal-date{font-size:13px;color:var(--muted);margin-bottom:22px;}
.news-modal-body{font-size:15px;line-height:1.9;color:#2c3e34;}
.news-modal-body img{max-width:100%;height:auto;border-radius:10px;margin:14px 0;display:block;}
.news-modal-body p{margin:0 0 14px;}
.news-modal-body h1,.news-modal-body h2,.news-modal-body h3{color:var(--green-900);margin:22px 0 10px;line-height:1.5;}
.news-modal-body figure{margin:14px 0;}
.news-modal-body figcaption{font-size:13px;color:var(--muted);text-align:center;}

/* 弹层双语：依据 body.lang-en 自动切换 */
.news-lang-zh,.news-lang-en{display:block;}
body.lang-en .news-lang-zh{display:none;}
body:not(.lang-en) .news-lang-en{display:none;}

@media(max-width:640px){
  .news-modal-panel{width:calc(100% - 24px);margin-top:3vh;}
  .news-modal-scroll{padding:32px 20px 36px;}
  .news-modal-title{font-size:20px;}
  .cat-name{font-size:17px;}
  .news-item-date{min-width:64px;font-size:12px;}
}

/* ===== 首页相关文章（元宝枫 / 神经酸） ===== */
.related-articles{margin-top:30px;}
.related-title{font-size:20px;color:var(--green-900);margin-bottom:18px;padding-left:14px;border-left:4px solid var(--green-500);line-height:1.4;}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.related-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:18px 20px;background:#fff;border:1px solid #e3ece6;border-radius:12px;text-align:left;cursor:pointer;font:inherit;transition:transform .2s,box-shadow .2s,border-color .2s;}
.related-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,61,42,.1);border-color:var(--green-500);}
.related-card.is-hidden{display:none;}
.related-date{font-size:12px;color:var(--green-700);font-weight:600;letter-spacing:.3px;}
.related-card-title{font-size:16px;color:var(--green-900);font-weight:700;line-height:1.5;}
.related-card-summary{font-size:13px;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.related-go{margin-top:6px;font-size:13px;color:var(--green-500);font-weight:600;}

/* 查看更多 / 收起 */
.related-more-wrap{text-align:center;margin-top:22px;}
.related-more-btn{display:inline-flex;align-items:center;gap:10px;padding:10px 22px;background:#fff;border:1.5px solid var(--green-500);color:var(--green-700);border-radius:24px;font:inherit;font-weight:600;font-size:14px;cursor:pointer;transition:background .2s,color .2s,border-color .2s,box-shadow .2s;}
.related-more-btn:hover{background:var(--green-500);color:#fff;border-color:var(--green-500);box-shadow:0 6px 16px rgba(15,61,42,.18);}
.related-more-count{font-size:12px;background:var(--green-100);color:var(--green-700);padding:2px 9px;border-radius:12px;font-weight:700;}
.related-more-btn:hover .related-more-count{background:rgba(255,255,255,.2);color:#fff;}
.related-more-icon{font-size:12px;transition:transform .25s ease;display:inline-block;}
.related-more-btn[data-state="open"] .related-more-icon{transform:rotate(180deg);}

@media(max-width:780px){
  .related-grid{grid-template-columns:1fr;}
}