*{box-sizing:border-box}
html{color-scheme:light;scroll-behavior:smooth}
body{margin:0;background:#faf7ef;color:#183b50;font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}
a{color:inherit}button,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}
header,main,footer{max-width:820px;margin:auto;padding:20px}
header{display:flex;align-items:center;justify-content:space-between;gap:16px}header a{text-decoration:none}
h1{font-size:28px;margin:0 0 10px}p{margin:10px 0}
.intro{margin-bottom:24px}.intro p,footer{color:#647780;font-size:14px}
.poster{position:relative;margin-bottom:32px;scroll-margin-top:16px}.poster>img{display:block;width:100%;height:auto;border-radius:16px}
.hotspots{position:absolute;inset:0;width:100%;height:100%}.hotspots a{cursor:pointer;outline:none}
.hotspots polygon{fill:transparent;stroke:transparent;stroke-width:3;vector-effect:non-scaling-stroke}.hotspots a:focus polygon{fill:#ffffff30;stroke:#c45240}
.product-list{margin:0 0 36px}.product-list summary{cursor:pointer}.product-list ul{padding-left:24px}.product-list li{margin:8px 0}
.back{display:inline-flex;align-items:center;min-height:40px;color:#416877;text-decoration:none;font-size:14px}
.error{padding:30px 0}.section-nav{display:flex;gap:20px;margin:10px 0 20px}
footer{padding-top:18px;padding-bottom:24px;border-top:1px solid #e1e6e1;font-size:12px}
.detail-header{padding:12px 24px 0}.company-page,.product-page{padding:12px 24px 28px}
.eyebrow{display:block;font-size:12px;color:#6d8287;letter-spacing:1px}
.company-mast{padding:0 0 16px;border-bottom:1px solid #dce2da}
.company-category-path{display:flex;align-items:center;flex-wrap:wrap;gap:7px;font-size:13px;color:#4d737c;margin:0 0 10px}.category-separator{color:#a4b6b7}
.company-mast:before{content:"";display:block;width:28px;height:3px;background:#b8d8d6;border-radius:2px;margin-bottom:12px}
.company-name-row{display:flex;align-items:center;justify-content:flex-start;gap:8px;min-width:0}
.company-heading{min-width:0;margin:6px 0 8px;font-size:26px;line-height:1.35;font-weight:650}
.company-map-name{display:inline-flex;align-items:center;gap:8px;min-width:0;padding:0;border:0;background:none;text-align:left;line-height:1.45;font:inherit;color:inherit;cursor:pointer}
.company-map-name span{min-width:0;overflow-wrap:anywhere}.company-map-name svg{width:18px;height:18px;flex-shrink:0;fill:none;stroke:#608e98;stroke-width:1.6}
.company-map-name:hover span{text-decoration:underline;text-decoration-color:#9ebcbd;text-underline-offset:4px}
.company-save{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;padding:0;border:0;border-radius:4px;background:transparent;color:#547c88;font-family:Arial,sans-serif;font-size:20px;line-height:1;cursor:pointer}
.company-save.is-saved{background:transparent;color:#9d7041}
.detail-meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:13px;color:#637b83}
.company-products{margin-top:20px}.company-products-head{display:flex;align-items:center;margin-bottom:10px}.company-products-head h2{font-size:18px;font-weight:650;margin:0;display:flex;align-items:center;gap:8px}
.company-products-head h2:before{content:"";width:3px;height:16px;border-radius:2px;background:#a8c8c8}
.exhibit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.exhibit-card{display:block;min-width:0;padding:8px;border:1px solid #dce3db;border-radius:11px;background:#fffefa;text-decoration:none;transition:border-color .15s}
.exhibit-card:hover{border-color:#adc8c6}
.exhibit-card-photo{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;background:#fff;border-radius:6px}
.exhibit-card-photo img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain}
.exhibit-card h3{min-width:0;margin:8px 3px 3px;font-size:14px;font-weight:400;line-height:1.55;overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.no-photo{font-size:12px;color:#879496;background:#f2f4ef;text-align:center;padding:6px}
.exhibitor-parent{display:grid;gap:4px;padding:0 0 14px;margin:0 0 18px;border-bottom:1px solid #dce2da}
.exhibitor-parent .company-map-name{font-size:18px;font-weight:600}.exhibitor-parent .company-save{width:26px;height:26px;flex-basis:26px;font-size:18px}
.exhibitor-more{justify-self:start;font-size:12px;color:#64818a;text-decoration:none}.exhibitor-more:hover{text-decoration:underline}
.product-heading h1{font-size:26px;line-height:1.5;margin:0 0 10px;overflow-wrap:anywhere}
.product-location{align-items:center;gap:6px 14px}.booth-actions-row{display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px}.product-actions{display:inline-flex;align-items:center;gap:6px;margin:0}
.product-actions button{flex:none;white-space:nowrap;font-size:12px;font-weight:500;line-height:1.4;min-height:28px;border:1px solid #bed0cf;border-radius:5px;padding:4px 8px;background:#eaf1ee;color:#285b6b;cursor:pointer}
.product-actions button:first-child{color:#285b6b;background:transparent}.product-actions button.is-saved{background:#e7f0eb}.product-actions button:disabled{opacity:.5;cursor:default}
.map-position-note{font-size:12px;color:#7b8b8d;margin:7px 0 0}.map-position-note:empty{display:none}
.action-status{font-size:13px;color:#38634c;margin:8px 0 0}.action-status:empty{display:none}
.detail-photo{background:transparent;border:0;border-radius:0;overflow:visible;margin:18px 0;padding:0}
.detail-photo img{display:block;width:100%;height:auto;max-height:none;object-fit:initial}
.detail-section-heading{font-size:18px;margin:20px 0 10px}.description{white-space:pre-line;font-size:16px;line-height:1.9;overflow-wrap:anywhere}
.detail-return{margin-top:22px}
.booth-choice{display:flex;gap:10px;align-items:center;font-size:13px;margin-top:12px}.booth-choice select{padding:6px;border:1px solid #c7d7da;background:#fff;border-radius:5px}
button:focus-visible,.exhibit-card:focus-visible,.exhibitor-more:focus-visible,.back:focus-visible{outline:3px solid #cf795c;outline-offset:3px}
@media(max-width:600px){
 header,main,footer{padding-left:18px;padding-right:18px}
 h1{font-size:24px}.poster>img{border-radius:10px}
 .detail-header{padding-top:8px}.company-page,.product-page{padding-top:10px}
 .company-heading{font-size:23px}.company-name-row{gap:10px}
 .exhibit-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 .exhibit-card{padding:7px;border-radius:10px}
 .exhibit-card h3{font-size:13px;margin:7px 2px 3px;-webkit-line-clamp:3}
 .product-heading h1{font-size:23px}.product-actions button{flex:none;padding:4px 7px;font-size:12px}
 .exhibitor-parent .company-map-name{font-size:17px}
}
.category-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:5px 8px;font-size:12px;font-weight:400;line-height:1.6;color:#73888a;margin:0 0 14px}.category-breadcrumbs a{color:#557981;text-decoration:none}.category-breadcrumbs a:hover{text-decoration:underline;text-underline-offset:3px}.category-breadcrumbs>span{color:#91a7a8}
.category-page{padding-top:10px;padding-bottom:30px}.category-heading{margin:0 0 20px}.category-heading h1{font-size:26px;line-height:1.4;margin:5px 0 0}.zone-menu{display:grid;gap:10px}.subcategory-menu{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.category-menu-card{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 18px;border:1px solid #dce4db;background:#fffefa;border-radius:10px;text-decoration:none}.category-menu-card h2{margin:0;font-size:17px;font-weight:500;line-height:1.5}.category-menu-card p{margin:5px 0 0;font-size:12px;line-height:1.6;color:#7d8d8d}.category-menu-card>span{color:#90a9aa;font-size:24px;font-weight:300}.category-menu-card:hover{border-color:#b4cdca}.category-view-all{display:inline-block;font-size:13px;margin-top:18px;color:#65848a;text-decoration:none}.category-type-tabs{display:flex;gap:24px;border-bottom:1px solid #dce4db;margin-bottom:18px}.category-type-tabs a{padding:0 2px 9px;color:#7b8e92;text-decoration:none;font-size:16px;border-bottom:2px solid transparent}.category-type-tabs a[aria-current]{color:#285b6b;border-bottom-color:#6faaa9}.category-companies{display:grid;gap:0}.category-company{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 2px;border-bottom:1px solid #e1e6dd;text-decoration:none}.category-company h2{font-size:16px;line-height:1.5;font-weight:500;margin:0;overflow-wrap:anywhere}.category-company p{font-size:12px;color:#81908f;margin:5px 0 0}.category-company>span{color:#97abaa;font-size:22px}.category-product-company{font-size:11px;color:#859694;line-height:1.6;margin:5px 3px 2px;overflow-wrap:anywhere}.category-empty{font-size:14px;color:#81918f;padding:12px 0}
@media(max-width:600px){.category-heading h1{font-size:23px}.category-menu-card{padding:14px 12px;gap:10px}.category-menu-card h2{font-size:15px}.subcategory-menu{gap:9px}.subcategory-menu .category-menu-card{align-items:flex-start}.subcategory-menu .category-menu-card>span{font-size:20px}.category-breadcrumbs{font-size:11px;gap:4px 6px}}

/* 展品详情中的所属展商仅显示名称，操作保留在展品信息处。 */
.exhibitor-parent .company-display-name{min-width:0;font-size:18px;font-weight:600;line-height:1.45;overflow-wrap:anywhere}
@media(max-width:360px){.exhibitor-parent .company-display-name{font-size:17px}}

/* 分类导航保持清晰可读，当前门类以更深字色提示所在位置。 */
.category-breadcrumbs{font-size:15px;font-weight:500;line-height:1.7;gap:6px 9px;margin-bottom:16px}
.category-breadcrumbs a{display:inline-flex;align-items:center;min-height:28px;max-width:100%;min-width:0;color:#426971;overflow-wrap:anywhere}
.category-breadcrumbs a:last-child{color:#244e59;font-weight:600}
.category-breadcrumbs>span{font-size:17px;font-weight:400;color:#859a91}

/* 共用展品详情头部：展品标题在先，展商信息用整块可点击卡片承接。 */
.product-page>.product-heading{margin:0 0 14px}
.product-page>.product-heading h1{margin:0}
.product-exhibitor-card{position:relative;display:block;padding:16px 42px 15px 16px;margin:0 0 16px;border-left:3px solid #71998a;border-radius:9px;background:#e9f0e9;text-decoration:none;color:#244f50;overflow-wrap:anywhere}
.product-exhibitor-card:hover{background:#e2ece3}
.product-exhibitor-card:focus-visible{outline:2px solid #3b736d;outline-offset:3px}
.product-exhibitor-card .company-primary{font-size:var(--type-section,20px);font-weight:600;line-height:1.5;color:#244f50}
.product-exhibitor-card .company-secondary,.company-display-secondary{font-size:var(--type-label,14px);font-weight:400;line-height:1.7;color:#6b7f76;margin:4px 0 0;overflow-wrap:anywhere}
.company-display-secondary{margin-bottom:10px}
.company-card-more{display:block;font-size:var(--type-label,14px);font-weight:500;line-height:1.6;color:#426d5c;margin-top:10px}
.company-card-arrow{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:26px;line-height:1;color:#759a89}
.product-exhibitor-card.is-unlinked{background:#f0f2eb;border-left-color:#a8b6a7}

/* 展品页返回位于展商区右下角；头部及介绍中的空白统一收紧。 */
.product-page{padding-top:12px;padding-bottom:20px}
.product-page>.category-breadcrumbs{margin-bottom:12px}
.product-page>.product-heading{margin-bottom:12px}
.product-exhibitor-card{padding:14px 16px 8px;margin-bottom:12px}
.company-card-main{display:block;color:inherit;text-decoration:none}
.company-card-main::after{content:'';position:absolute;inset:0;border-radius:inherit}
.company-card-footer{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:6px}
.company-card-footer .company-card-more{margin:0;min-height:40px;display:inline-flex;align-items:center;line-height:1.6;text-decoration:none}
.product-return-slot{display:block;flex:0 0 auto;margin-left:auto}
.product-return-slot .page-return{position:relative;z-index:2;align-self:center;min-height:40px;padding:0}
.product-page .detail-photo{margin:14px 0}
.product-page .detail-section-heading{margin:16px 0 8px}
.product-page .description{line-height:1.85}
.category-breadcrumbs>.category-separator{display:block;flex:0 0 14px;width:14px;height:22px;color:#6b8d82}