/* 福建沧晟化工产品详情页 */
html{scroll-behavior:smooth;scroll-padding-top:132px}
.product-page{padding-top:var(--header-height);background:#fff;color:var(--ink)}
.button-outline-dark{color:var(--teal-dark);border-color:#bcd7d5;background:#fff}
.button-outline-dark:hover{background:var(--teal);border-color:var(--teal);color:#fff}

.product-breadcrumb{border-bottom:1px solid var(--line);background:#f7f9f9}
.product-breadcrumb nav{min-height:54px;display:flex;align-items:center;gap:11px;overflow:hidden;color:#899397;font-size:12px;white-space:nowrap}
.product-breadcrumb nav a{color:#687478;transition:.2s}
.product-breadcrumb nav a:hover{color:var(--teal)}
.product-breadcrumb nav strong{overflow:hidden;color:var(--ink);font-weight:600;text-overflow:ellipsis}

.product-detail-hero{padding:54px 0 58px;background:#fff}
.product-detail-grid{display:grid;grid-template-columns:minmax(0,1.07fr) minmax(360px,.93fr);gap:66px;align-items:start}
.product-gallery{position:sticky;top:102px;min-width:0}
.product-main-image{position:relative;aspect-ratio:4/3;overflow:hidden;background:#eef2f2;cursor:zoom-in;box-shadow:0 18px 45px rgba(21,50,55,.1)}
.product-main-image>img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .65s var(--ease)}
.product-main-image:hover>img{transform:scale(1.035)}
.image-zoom-hint{position:absolute;right:16px;bottom:16px;display:flex;align-items:center;gap:7px;padding:9px 13px;background:rgba(14,40,43,.78);backdrop-filter:blur(7px);color:#fff;font-size:12px;opacity:0;transform:translateY(8px);transition:.25s var(--ease)}
.image-zoom-hint svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8}
.product-main-image:hover .image-zoom-hint,.product-main-image:focus-visible .image-zoom-hint{opacity:1;transform:translateY(0)}
.product-main-image:focus-visible{outline:3px solid rgba(33,139,134,.3);outline-offset:3px}
.product-thumbnails{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}
.product-thumbnails:empty{display:none}
.product-thumbnails button{aspect-ratio:4/3;padding:0;overflow:hidden;border:2px solid transparent;background:#eef2f2;cursor:pointer;transition:.2s}
.product-thumbnails button img{width:100%;height:100%;display:block;object-fit:cover;transition:.3s}
.product-thumbnails button:hover{transform:translateY(-2px)}
.product-thumbnails button.is-active{border-color:var(--teal);box-shadow:0 6px 16px rgba(33,139,134,.18)}
.product-thumbnails button.is-active img{transform:scale(1.06)}

.product-summary{padding-top:7px}
.product-category{display:inline-flex;align-items:center;gap:8px;margin-bottom:17px;color:var(--teal);font-size:12px;font-weight:750;letter-spacing:.17em;text-transform:uppercase}
.product-category::before{content:"";width:26px;height:2px;background:var(--teal)}
.product-summary h1{margin:0 0 14px;font-size:clamp(38px,4.3vw,59px);line-height:1.13;letter-spacing:-.045em;font-weight:760}
.product-subtitle{margin:0 0 17px;color:#667277;font-size:17px;line-height:1.65}
.product-lead{margin:0;padding:19px 21px;border-left:3px solid var(--teal);background:#f3f8f7;color:#58656a;font-size:14.5px;line-height:1.9}
.product-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.product-tags span{padding:7px 11px;border:1px solid #d7e5e4;border-radius:3px;background:#f9fbfb;color:#54706f;font-size:12px}
.product-summary-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.product-summary-actions .button{min-width:164px}
.product-assurance{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:31px 0 0;padding:24px 0 0;border-top:1px solid var(--line);list-style:none}
.product-assurance li{min-width:0;padding:0 15px;border-right:1px solid var(--line)}
.product-assurance li:first-child{padding-left:0}
.product-assurance li:last-child{padding-right:0;border-right:0}
.product-assurance span{display:block;margin-bottom:8px;color:#a3b5b7;font-size:11px;font-weight:750;letter-spacing:.14em}
.product-assurance p{margin:0;color:#4e5d61;font-size:12.5px;line-height:1.55}

.detail-jump{position:sticky;z-index:45;top:var(--header-height);border-block:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(25,53,58,.06)}
.detail-jump .shell{display:grid;grid-template-columns:repeat(4,1fr)}
.detail-jump a{position:relative;display:grid;place-items:center;min-height:59px;padding:8px 14px;color:#657176;font-size:13.5px;text-align:center;transition:.22s}
.detail-jump a::after{content:"";position:absolute;left:17%;right:17%;bottom:-1px;height:2px;background:var(--teal);transform:scaleX(0);transition:.25s}
.detail-jump a:hover,.detail-jump a.is-active{color:var(--teal-dark);font-weight:650}
.detail-jump a.is-active::after{transform:scaleX(1)}

.product-content-section{padding:92px 0;background:#fff}
.product-content-layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:75px;align-items:start}
.product-content-aside{position:sticky;top:160px;padding-top:8px}
.product-content-aside h2{margin:0 0 18px;font-size:35px;line-height:1.2;letter-spacing:-.035em}
.product-content-aside>p:not(.section-kicker){margin:0 0 25px;color:#7b878b;font-size:13px;line-height:1.7}
.product-content-aside>a{display:inline-block;color:var(--teal);font-size:13px;font-weight:650}
.product-content-aside>a:hover{color:var(--teal-dark);letter-spacing:.02em}
.product-content-copy{min-width:0;padding-left:42px;border-left:1px solid var(--line)}
.detail-rich-text{color:#4d5b60;font-size:15.5px;line-height:2.05}
.detail-rich-text p{margin:0 0 20px}
.detail-rich-text h2,.detail-rich-text h3,.detail-rich-text h4{margin:36px 0 15px;color:var(--ink);line-height:1.4}
.detail-rich-text h2{font-size:27px}
.detail-rich-text h3{font-size:22px}
.detail-rich-text h4{font-size:18px}
.detail-rich-text ul,.detail-rich-text ol{margin:17px 0 24px;padding-left:23px}
.detail-rich-text li{margin-bottom:9px}
.detail-rich-text img{max-width:100%;height:auto;display:block;margin:27px auto;border:1px solid var(--line)}
.detail-rich-text a{color:var(--teal);text-decoration:underline}
.detail-rich-text blockquote{margin:27px 0;padding:20px 24px;border-left:3px solid var(--teal);background:#f2f8f7;color:#4f6565}
.detail-rich-text table{width:100%;margin:26px 0;border-collapse:collapse}
.detail-rich-text td,.detail-rich-text th{padding:12px 14px;border:1px solid var(--line)}
.detail-rich-text pre{overflow:auto;padding:18px;background:#102f31;color:#e7f6f4}
.detail-rich-text br{content:""}
.detail-rich-text:empty::after{content:"暂无更多文字说明，具体技术方案请联系业务人员。";color:#8a969a}

.product-spec-section{padding:86px 0;background:#f3f7f7}
.product-section-heading{margin-bottom:43px}
.spec-table{overflow:hidden;border-top:2px solid var(--teal-dark);background:#fff;box-shadow:0 14px 40px rgba(24,62,67,.07)}
.spec-row{display:grid;grid-template-columns:minmax(170px,.36fr) minmax(0,1fr);border-bottom:1px solid var(--line)}
.spec-row:last-child{border-bottom:0}
.spec-row dt,.spec-row dd{margin:0;padding:19px 24px}
.spec-row dt{background:#edf4f3;color:var(--teal-dark);font-size:14px;font-weight:700}
.spec-row dd{color:#536167;font-size:14.5px}
.spec-placeholder,.related-empty{padding:40px 25px;color:#839095;text-align:center;font-size:14px}

.storage-section{padding:92px 0;background:#fff}
.storage-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center}
.storage-copy h2{margin:0 0 24px;font-size:clamp(34px,4vw,50px);line-height:1.17;letter-spacing:-.04em}
.storage-copy #storageText{color:#58666b;font-size:15px;line-height:2}
.storage-copy #storageText p{margin:0 0 16px}
.storage-image{position:relative;min-height:440px;overflow:hidden;background:#243234}
.storage-image>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.78)}
.storage-image::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,24,26,.78),rgba(8,35,37,.05) 62%)}
.storage-image-caption{position:absolute;z-index:2;left:31px;right:31px;bottom:27px;color:#fff}
.storage-image-caption span{display:block;margin-bottom:8px;color:#9de1dd;font-size:11px;letter-spacing:.2em}
.storage-image-caption strong{font-size:22px}

.related-section{padding:88px 0 92px;background:#f4f7f7}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.related-grid:has(.related-empty){display:block}
.related-card{position:relative;display:block;min-width:0;overflow:hidden;background:#263033;color:#fff;transition:.32s var(--ease)}
.related-card:hover{transform:translateY(-7px);box-shadow:0 19px 38px rgba(20,47,51,.18)}
.related-card-image{aspect-ratio:4/3;overflow:hidden;background:#dfe7e7}
.related-card-image img{width:100%;height:100%;display:block;object-fit:cover;transition:.55s var(--ease)}
.related-card:hover img{transform:scale(1.07)}
.related-card-content{padding:20px 20px 21px}
.related-card-content small{display:block;margin-bottom:9px;color:#84d5d1;font-size:11px;letter-spacing:.1em}
.related-card-content h3{min-height:44px;margin:0 0 14px;font-size:17px;line-height:1.42;font-weight:650}
.related-card-content span{color:#b7dedb;font-size:12px}
.related-card:hover .related-card-content span{color:#fff}

.product-neighbor-nav{border-top:1px solid var(--line);background:#fff}
.product-neighbor-nav .shell{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:116px;gap:25px}
.product-neighbor-nav a{display:flex;align-items:center;gap:14px;color:var(--ink)}
.product-neighbor-nav a[href="#"]{pointer-events:none;opacity:.38}
.product-neighbor-nav small{display:block;margin-bottom:5px;color:#899497;font-size:11px}
.product-neighbor-nav strong{display:block;max-width:300px;overflow:hidden;font-size:14.5px;text-overflow:ellipsis;white-space:nowrap}
.product-neighbor-nav .neighbor-next{justify-content:flex-end;text-align:right}
.product-neighbor-nav .neighbor-next span,.product-neighbor-nav .neighbor-prev span{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--line);border-radius:50%;transition:.2s}
.product-neighbor-nav a:hover{color:var(--teal)}
.product-neighbor-nav a:hover span{border-color:var(--teal);background:var(--teal);color:#fff}
.product-neighbor-nav .neighbor-center{padding:12px 19px;border:1px solid var(--line);color:#647176;font-size:13px}
.product-neighbor-nav .neighbor-center:hover{background:#eef7f6}

.product-lightbox{position:fixed;z-index:130;inset:0;display:grid;place-items:center;padding:4vw;background:rgba(4,14,16,.94);opacity:0;visibility:hidden;transition:.3s}
.product-lightbox.is-open{opacity:1;visibility:visible}
.product-lightbox img{max-width:94vw;max-height:90vh;width:auto;height:auto;object-fit:contain;box-shadow:0 30px 100px rgba(0,0,0,.45);transform:scale(.96);transition:.3s}
.product-lightbox.is-open img{transform:scale(1)}
.product-lightbox>button{position:absolute;right:24px;top:20px;width:45px;height:45px;border:1px solid rgba(255,255,255,.38);border-radius:50%;background:rgba(255,255,255,.08);color:#fff;font-size:31px;line-height:1}
.product-lightbox>button:hover{background:var(--teal);border-color:var(--teal)}
body.lightbox-open{overflow:hidden}

.product-loading-error{position:fixed;z-index:125;inset:var(--header-height) 0 0;display:grid;place-items:center;padding:25px;background:rgba(244,248,248,.97)}
.product-loading-error[hidden]{display:none}
.product-loading-error>div{max-width:500px;padding:45px;border-top:4px solid var(--teal);background:#fff;text-align:center;box-shadow:0 20px 55px rgba(18,49,54,.13)}
.product-loading-error span{display:grid;place-items:center;width:48px;height:48px;margin:0 auto 17px;border-radius:50%;background:#fff0ef;color:#c75a52;font-size:24px;font-weight:800}
.product-loading-error h2{margin:0 0 10px;font-size:26px}
.product-loading-error p{margin:0 0 23px;color:#778489;font-size:14px}
.product-loading-error div div{display:flex;justify-content:center;gap:10px}
.product-loading-error button,.product-loading-error a{min-height:41px;padding:0 19px;border:1px solid var(--teal);background:var(--teal);color:#fff;cursor:pointer;font-size:13px}
.product-loading-error a{display:inline-grid;place-items:center;background:#fff;color:var(--teal)}

@media (max-width:1100px){
  .product-detail-grid{gap:38px}
  .product-content-layout{grid-template-columns:210px minmax(0,1fr);gap:42px}
  .product-content-copy{padding-left:30px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  html{scroll-padding-top:125px}
  .product-detail-hero{padding-top:35px}
  .product-detail-grid{grid-template-columns:1fr;gap:38px}
  .product-gallery{position:relative;top:auto}
  .product-summary{max-width:760px}
  .product-content-layout{grid-template-columns:1fr;gap:34px}
  .product-content-aside{position:relative;top:auto;padding-bottom:23px;border-bottom:1px solid var(--line)}
  .product-content-aside h2{margin-bottom:12px}
  .product-content-copy{padding:0;border-left:0}
  .storage-grid{grid-template-columns:1fr;gap:38px}
  .storage-image{min-height:390px}
  .detail-jump .shell{overflow-x:auto;grid-template-columns:repeat(4,minmax(145px,1fr));scrollbar-width:none}
  .detail-jump .shell::-webkit-scrollbar{display:none}
  .product-neighbor-nav .shell{grid-template-columns:1fr 1fr}
  .product-neighbor-nav .neighbor-center{display:none}
}
@media (max-width:600px){
  html{scroll-padding-top:116px}
  .product-breadcrumb nav{min-height:47px;gap:7px;font-size:11px}
  .product-breadcrumb nav a:nth-of-type(2),.product-breadcrumb nav span:nth-of-type(2){display:none}
  .product-detail-hero{padding:25px 0 39px}
  .product-detail-grid{gap:28px}
  .product-main-image{aspect-ratio:1/.82}
  .image-zoom-hint{opacity:1;transform:none}
  .product-thumbnails{gap:7px}
  .product-summary h1{font-size:35px}
  .product-subtitle{font-size:15px}
  .product-lead{padding:16px}
  .product-summary-actions{display:grid;grid-template-columns:1fr 1fr}
  .product-summary-actions .button{min-width:0;padding-inline:13px}
  .product-assurance{grid-template-columns:1fr;gap:14px}
  .product-assurance li{display:grid;grid-template-columns:34px 1fr;gap:10px;padding:0;border:0}
  .product-assurance span{margin:2px 0 0}
  .detail-jump a{min-height:53px}
  .product-content-section,.storage-section,.related-section{padding:65px 0}
  .product-content-aside h2{font-size:30px}
  .detail-rich-text{font-size:15px}
  .product-spec-section{padding:64px 0}
  .spec-row{grid-template-columns:1fr}
  .spec-row dt{padding:13px 16px}
  .spec-row dd{padding:14px 16px 17px}
  .storage-image{min-height:310px}
  .related-grid{grid-template-columns:1fr}
  .product-neighbor-nav .shell{min-height:95px;gap:13px}
  .product-neighbor-nav a{gap:8px}
  .product-neighbor-nav strong{max-width:118px;font-size:13px}
  .product-neighbor-nav .neighbor-next span{order:2}
  .product-loading-error>div{padding:34px 20px}
}
@media (prefers-reduced-motion:reduce){
  .product-main-image>img,.related-card,.related-card-image img{transition:none}
}