:root{--brand:#146c60;--brand-dark:#0d4b43;--brand-soft:#eaf4f1;--gold:#c9963a;--ink:#17211f;--muted:#66716f;--line:#e4e9e7;--paper:#fff;--bg:#f5f8f7;--danger:#b43b3b;--shadow:0 16px 42px rgba(19,55,48,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(20,108,96,.09)}.site-header-inner{max-width:1220px;margin:auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:30px}.site-brand{display:flex;align-items:center;gap:12px;min-width:max-content}.site-brand-mark{width:44px;height:44px;border-radius:12px;background:linear-gradient(145deg,var(--brand),var(--brand-dark));color:#fff;display:grid;place-items:center;font-size:23px;font-weight:700;box-shadow:0 8px 20px rgba(20,108,96,.2)}.site-brand strong,.site-brand small{display:block}.site-brand strong{font-size:18px}.site-brand small{font-size:11px;color:var(--muted);letter-spacing:.08em}.site-nav>ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:4px}.site-nav-item{position:relative}.site-nav-item>a{display:block;padding:24px 13px;font-size:15px;font-weight:600}.site-nav-item>a:hover{color:var(--brand)}.site-submenu{display:none;position:absolute;top:66px;left:0;min-width:180px;padding:8px;list-style:none;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.site-nav-item:hover>.site-submenu{display:block}.site-submenu a{display:block;padding:9px 12px;border-radius:8px;font-size:14px}.site-submenu a:hover{background:var(--brand-soft);color:var(--brand)}.site-nav-toggle{display:none;border:0;background:var(--brand-soft);color:var(--brand);width:42px;height:42px;border-radius:10px;font-size:22px}.page-hero{background:linear-gradient(120deg,var(--brand-dark),var(--brand));color:#fff;padding:86px 24px 74px}.page-hero-inner{max-width:1180px;margin:auto}.page-hero .eyebrow{display:inline-block;color:#f4dca8;font-size:12px;letter-spacing:.15em;margin-bottom:12px}.page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.15;margin:0 0 18px}.page-hero p{max-width:760px;margin:0;color:rgba(255,255,255,.82);font-size:17px}.container{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}.section{padding:72px 0}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px}.section-head h2{font-size:34px;margin:0}.section-head p{margin:6px 0 0;color:var(--muted)}.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.filter-chip{padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted)}.filter-chip:hover,.filter-chip.active{background:var(--brand);border-color:var(--brand);color:#fff}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.news-card,.product-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 28px rgba(18,56,49,.05);transition:.25s ease}.news-card:hover,.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(20,108,96,.25)}.card-image{height:210px;background:linear-gradient(135deg,#dcebe7,#f7f3e9);position:relative;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.news-card:hover .card-image img,.product-card:hover .card-image img{transform:scale(1.04)}.card-badge{position:absolute;left:16px;top:16px;padding:5px 10px;border-radius:999px;background:rgba(13,75,67,.88);color:#fff;font-size:12px}.card-body{padding:22px}.card-meta{display:flex;justify-content:space-between;gap:12px;color:#82908d;font-size:13px;margin-bottom:10px}.card-body h2,.card-body h3{margin:0 0 10px;line-height:1.45}.card-body h2{font-size:20px}.card-body h3{font-size:19px}.card-body p{margin:0;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-link{display:inline-flex;margin-top:16px;color:var(--brand);font-weight:700;font-size:14px}.price{font-size:24px;font-weight:800;color:var(--brand)}.empty-state{padding:60px 24px;text-align:center;background:#fff;border:1px dashed #cbd6d3;border-radius:18px;color:var(--muted)}.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:42px;flex-wrap:wrap}.pagination a,.pagination span{min-width:40px;height:40px;padding:0 12px;border-radius:9px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;font-size:14px}.pagination a:hover,.pagination a.active{background:var(--brand);border-color:var(--brand);color:#fff}.pagination a.disabled{opacity:.45;pointer-events:none}.article-shell{max-width:1060px;margin:-36px auto 72px;padding:0 24px;position:relative}.article-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:clamp(24px,5vw,56px)}.article-topline{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:14px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:30px}.article-content{font-size:17px;color:#303a38}.article-content img{height:auto!important;margin:22px auto;border-radius:12px}.article-content p{margin:0 0 18px}.article-content h1,.article-content h2,.article-content h3{line-height:1.4;margin:30px 0 14px}.article-content table{width:100%;border-collapse:collapse;display:block;overflow:auto}.article-content td,.article-content th{border:1px solid var(--line);padding:10px}.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:35px;padding-top:24px;border-top:1px solid var(--line)}.article-nav a{padding:14px;border:1px solid var(--line);border-radius:12px;color:var(--muted)}.article-nav a:hover{border-color:var(--brand);color:var(--brand)}.related-section{margin-top:48px}.related-section h2{font-size:28px;margin:0 0 20px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.related-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}.related-card .card-image{height:145px}.related-card .card-body{padding:16px}.related-card h3{font-size:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-detail-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:start}.product-gallery{background:#fff;border-radius:20px;border:1px solid var(--line);overflow:hidden;min-height:430px}.product-gallery img{width:100%;height:430px;object-fit:cover}.product-summary{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px}.product-summary h1{font-size:36px;line-height:1.3;margin:0 0 15px}.product-summary .price{margin:18px 0}.product-summary .summary{color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:12px 20px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer}.button:hover{background:var(--brand-dark)}.button.secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}.site-footer{background:#102d29;color:rgba(255,255,255,.8);padding:58px 24px 0}.site-footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:45px}.site-footer h3,.site-footer h4{color:#fff;margin-top:0}.site-footer a:hover{color:#f2cf8a}.site-footer-bottom{max-width:1180px;margin:35px auto 0;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}
@media(max-width:900px){.site-nav-toggle{display:block}.site-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px}.site-nav.open{display:block}.site-nav>ul{display:block}.site-nav-item>a{padding:12px 14px}.site-submenu{display:block!important;position:static;box-shadow:none;border:0;padding:0 0 6px 18px}.site-submenu a{padding:7px 10px}.card-grid,.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-detail-grid{grid-template-columns:1fr}.site-footer-grid{grid-template-columns:1fr 1fr}.article-nav{grid-template-columns:1fr}}
@media(max-width:620px){.site-header-inner{padding:0 16px}.site-brand small{display:none}.page-hero{padding:64px 18px 60px}.container{padding-left:16px;padding-right:16px}.section{padding:50px 0}.section-head{align-items:flex-start;flex-direction:column}.section-head h2{font-size:28px}.card-grid,.related-grid{grid-template-columns:1fr}.card-image{height:220px}.article-shell{padding:0 12px}.article-card{border-radius:16px}.article-content{font-size:16px}.site-footer-grid{grid-template-columns:1fr}.product-summary h1{font-size:29px}}

.site-brand-logo{width:176px;height:58px;object-fit:contain;object-position:left center}.site-footer-logo{width:190px;height:auto;max-height:92px;object-fit:contain;object-position:left center;margin-bottom:14px}@media(max-width:620px){.site-brand-logo{width:145px;height:52px}}

/* 统一移动端导航 */
.site-nav-toggle{position:relative;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;cursor:pointer;z-index:1102}.site-nav-toggle span{display:block;width:21px;height:2px;border-radius:2px;background:currentColor;transition:transform .25s ease,opacity .2s ease}.site-nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.site-nav-toggle.open span:nth-child(2){opacity:0}.site-nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.site-nav-overlay{display:none}.site-submenu-toggle{display:none}
@media(max-width:900px){body.site-nav-open{overflow:hidden}.site-header{z-index:1100}.site-header-inner{min-height:64px}.site-nav-toggle{display:flex}.site-nav{display:block!important;position:fixed!important;top:0!important;right:0!important;bottom:0!important;left:auto!important;width:min(320px,88vw)!important;padding:76px 0 24px!important;background:#fff!important;border:0!important;border-radius:0!important;box-shadow:-12px 0 36px rgba(13,75,67,.18)!important;overflow-y:auto!important;visibility:hidden;transform:translateX(105%);transition:transform .28s ease,visibility .28s ease;z-index:1101}.site-nav.open{visibility:visible;transform:translateX(0)}.site-nav-overlay{display:block;position:fixed;inset:0;background:rgba(8,30,27,.48);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1099}.site-nav-overlay.open{opacity:1;visibility:visible}.site-nav>ul{display:block!important}.site-nav-item{width:100%;border-bottom:1px solid #edf1ef}.site-nav-item>a{display:block;padding:16px 58px 16px 24px!important;color:var(--ink);font-size:15px;line-height:1.4}.site-nav-item>a:hover{background:var(--brand-soft);color:var(--brand)}.site-nav-item.has-submenu{position:relative}.site-submenu-toggle{display:flex;position:absolute;right:12px;top:8px;width:40px;height:40px;border:0;border-radius:9px;background:transparent;align-items:center;justify-content:center;cursor:pointer;color:var(--brand)}.site-submenu-toggle:hover{background:var(--brand-soft)}.site-submenu-toggle span{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);transition:transform .2s ease}.site-nav-item.submenu-open>.site-submenu-toggle span{transform:rotate(225deg) translate(-1px,-1px)}.site-submenu{display:none!important;position:static!important;min-width:0!important;margin:0!important;padding:4px 12px 10px 24px!important;border:0!important;border-radius:0!important;box-shadow:none!important;background:#f7faf9!important}.site-nav-item.submenu-open>.site-submenu{display:block!important}.site-submenu a{padding:11px 12px!important;border-radius:8px;color:var(--muted);font-size:14px}.site-submenu a:hover{background:#e9f3f0;color:var(--brand)}}

/* ===== unified mobile navigation v4 ===== */
.site-mobile-overview{display:none!important}
@media(max-width:900px){
  body.site-nav-open{overflow:hidden!important}
  .site-header{z-index:1200!important}.site-nav-toggle{z-index:1203!important}
  .site-nav{
    display:block!important;position:fixed!important;inset:0 0 0 auto!important;width:min(340px,90vw)!important;
    height:100vh!important;height:100dvh!important;max-height:100dvh!important;box-sizing:border-box!important;
    padding:calc(74px + env(safe-area-inset-top)) 0 calc(22px + env(safe-area-inset-bottom))!important;margin:0!important;
    overflow-x:hidden!important;overflow-y:auto!important;overscroll-behavior:contain!important;-webkit-overflow-scrolling:touch!important;
    background:#fff!important;color:#173a35!important;visibility:hidden!important;transform:translate3d(105%,0,0)!important;
    box-shadow:-12px 0 36px rgba(13,74,67,.2)!important;z-index:1202!important;pointer-events:none!important
  }
  .site-nav.open{visibility:visible!important;transform:translate3d(0,0,0)!important;pointer-events:auto!important}
  .site-nav-overlay{z-index:1201!important;background:rgba(5,28,25,.56)!important}
  .site-nav>ul{display:block!important;margin:0!important;padding:0!important;list-style:none!important}
  .site-nav-item{display:block!important;position:relative!important;width:100%!important;height:auto!important;max-height:none!important;margin:0!important;padding:0!important;overflow:visible!important;border-bottom:1px solid #e8efed!important;background:#fff!important}
  .site-nav-item>a{display:flex!important;align-items:center!important;width:100%!important;min-height:54px!important;box-sizing:border-box!important;padding:15px 60px 15px 24px!important;background:#fff!important;color:#173a35!important;font-size:15px!important;font-weight:600!important;line-height:1.55!important;white-space:normal!important}
  .site-nav-item>a:visited{color:#173a35!important}.site-nav-item>a:hover,.site-nav-item[data-submenu-open="true"]>a{background:#edf6f3!important;color:#126b60!important}
  .site-submenu-toggle{display:flex!important;position:absolute!important;right:10px!important;top:7px!important;width:42px!important;height:42px!important;z-index:4!important;align-items:center!important;justify-content:center!important;border:0!important;border-radius:10px!important;background:transparent!important;color:#177568!important}
  .site-submenu-toggle:hover{background:#e7f2ef!important}.site-submenu-toggle span{width:10px!important;height:10px!important;border-right:2px solid currentColor!important;border-bottom:2px solid currentColor!important;transform:rotate(45deg) translate(-2px,-2px)!important}
  .site-nav-item[data-submenu-open="true"]>.site-submenu-toggle span{transform:rotate(225deg) translate(-1px,-1px)!important}
  .site-submenu{display:none!important;position:static!important;width:100%!important;min-width:0!important;height:auto!important;max-height:0!important;box-sizing:border-box!important;margin:0!important;padding:0 12px 0 24px!important;overflow:hidden!important;visibility:hidden!important;opacity:0!important;transform:none!important;pointer-events:none!important;border:0!important;border-radius:0!important;box-shadow:none!important;background:#f5f9f8!important}
  .site-nav-item.submenu-open>.site-submenu,.site-nav-item[data-submenu-open="true"]>.site-submenu{display:block!important;max-height:none!important;padding-top:6px!important;padding-bottom:10px!important;overflow:visible!important;visibility:visible!important;opacity:1!important;pointer-events:auto!important}
  .site-submenu li{display:block!important;width:100%!important;height:auto!important;margin:0!important;padding:0!important;list-style:none!important}
  .site-submenu a{display:block!important;width:100%!important;min-height:42px!important;box-sizing:border-box!important;padding:10px 12px!important;border-radius:8px!important;color:#40534e!important;font-size:14px!important;font-weight:500!important;line-height:1.55!important;white-space:normal!important;word-break:break-word!important}
  .site-submenu a:visited{color:#40534e!important}.site-submenu a:hover{background:#e5f1ee!important;color:#126b60!important}
  .site-submenu .site-mobile-overview{display:block!important;margin-bottom:5px!important;border-bottom:1px solid #dce8e5!important}.site-submenu .site-mobile-overview a{border-radius:6px 6px 0 0!important;color:#126b60!important;font-weight:700!important}
}

/* ===== iOS Safari 卡片图片尺寸统一修复 2026-08 =====
   .card-image 在新闻详情中是 a 标签，必须显式设为块级容器。 */
.card-grid > *,
.related-grid > *,
.news-card,
.product-card,
.related-card {
  min-width: 0 !important;
}

.card-image,
.related-card .card-image,
.product-gallery {
  position: relative !important;
  display: block !important;
  width: 100% !important;
  height: auto !important;
  min-width: 0 !important;
  min-height: 0 !important;
  aspect-ratio: 16 / 9;
  padding: 0 !important;
  overflow: hidden !important;
  box-sizing: border-box !important;
}

.card-image > img,
.related-card .card-image > img,
.product-gallery > img {
  position: absolute !important;
  inset: 0 !important;
  display: block !important;
  width: 100% !important;
  height: 100% !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: none !important;
  max-height: none !important;
  object-fit: cover !important;
  object-position: center center !important;
}

.article-content img,
.certificate-rich-content img {
  display: block !important;
  max-width: 100% !important;
  height: auto !important;
}

@supports not (aspect-ratio: 16 / 9) {
  .card-image,
  .related-card .card-image,
  .product-gallery {
    height: 0 !important;
    padding-bottom: 56.25% !important;
  }
}

@media (max-width: 620px) {
  .card-image,
  .related-card .card-image,
  .product-gallery {
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    aspect-ratio: 16 / 9;
  }
}

/* ===== iPhone Safari 新闻详情与导航最终修复 2026-08 ===== */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
.site-nav-toggle,.site-submenu-toggle,.site-nav a{touch-action:manipulation!important;-webkit-tap-highlight-color:transparent!important}
.article-nav>div{min-width:0!important}
.article-nav a{display:block!important;width:100%!important;max-width:100%!important;box-sizing:border-box!important;line-height:1.65!important;white-space:normal!important;word-break:break-word!important;overflow-wrap:anywhere!important}
.related-grid,.related-card,.related-card .card-body{min-width:0!important}
.related-card .card-image{display:block!important;position:relative!important;width:100%!important;height:auto!important;min-height:0!important;aspect-ratio:16/9!important;overflow:hidden!important;background:#edf3f1!important}
.related-card .card-image>img{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;max-width:none!important;min-height:0!important;object-fit:cover!important;object-position:center!important}
@media(max-width:900px){
  .site-nav-toggle{display:flex!important;position:relative!important;align-items:center!important;justify-content:center!important;z-index:1403!important;pointer-events:auto!important;opacity:1!important;visibility:visible!important;-webkit-transform:translateZ(0)!important;transform:translateZ(0)!important}
  .site-nav,.site-nav *{pointer-events:auto}
  .site-nav{height:100vh!important;height:100dvh!important;max-height:100dvh!important;-webkit-overflow-scrolling:touch!important}
  .article-shell{width:100%!important;max-width:100%!important;min-width:0!important;padding-left:max(12px,env(safe-area-inset-left))!important;padding-right:max(12px,env(safe-area-inset-right))!important}
  .article-card{width:100%!important;max-width:100%!important;min-width:0!important;padding:24px 18px!important}
  .article-content,.article-content>*{max-width:100%!important;min-width:0!important}
  .article-nav{display:grid!important;grid-template-columns:1fr!important;gap:12px!important}
  .related-section{width:100%!important;max-width:100%!important;min-width:0!important}
  .related-grid{grid-template-columns:1fr!important}
}
@supports not (aspect-ratio:16/9){.related-card .card-image{height:0!important;padding-bottom:56.25%!important}}