:root{--navy:#173d64;--blue:#246fae;--ink:#17324d;--sub:#6f8295;--line:#dce6ef;--soft:#f3f7fa;--white:#fff;--green:#168a5a;--gold:#b87724;--shadow:0 12px 32px rgba(23,61,100,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f5f8fb;font:14px/1.55 "Microsoft YaHei UI","Microsoft YaHei",Arial,sans-serif}.site-head{height:68px;padding:0 max(24px,calc((100% - 1500px)/2));display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:#fff}.brand-wrap{display:flex;align-items:center;gap:12px}.brand-wrap strong{display:block;font-size:17px}.brand-wrap span{display:block;font-size:11px;color:#bdd0e2}.brand-mark{width:38px;height:38px;display:grid!important;place-items:center;border-radius:11px;background:#fff!important;color:var(--navy)!important;font:700 18px Georgia!important}.head-meta{color:#d7e4ef;font-size:13px}main{width:min(1500px,calc(100% - 48px));margin:0 auto 60px}.hero{margin:26px 0 18px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:40px;border-radius:18px;background:linear-gradient(118deg,#173d64,#246fae);color:#fff;box-shadow:var(--shadow)}.eyebrow{margin:0 0 6px;font-size:11px;letter-spacing:.17em;color:#acd3f4}.hero h1{font-size:29px;line-height:1.25;margin:0 0 7px}.hero p:last-child{margin:0;color:#d7e6f3}.search-box{width:min(590px,48%);height:52px;display:flex;align-items:center;gap:10px;padding:0 14px;border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(7,31,54,.16)}.search-box svg{width:21px;height:21px;fill:none;stroke:#7190aa;stroke-width:1.8}.search-box input{flex:1;min-width:0;height:100%;border:0;outline:0;font:inherit;color:var(--ink)}.search-box button{display:none;border:0;background:#edf2f6;color:#6d8194;width:27px;height:27px;border-radius:50%;font-size:20px;line-height:1;cursor:pointer}.search-box.has-value button{display:block}.catalog-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:18px;align-items:start}.filters{position:sticky;top:18px;padding:18px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:0 6px 20px rgba(23,61,100,.05)}.filter-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.filter-head strong{font-size:16px}.filter-head button{border:0;background:none;color:var(--blue);cursor:pointer}.filter-group{margin-bottom:14px}.filter-group label{display:block;margin-bottom:6px;font-size:12px;color:var(--sub)}select{height:40px;border:1px solid #cfdde9;border-radius:8px;background:#fff;color:var(--ink);padding:0 34px 0 11px;font:inherit;outline:none}.filter-group select{width:100%}select:focus{border-color:#4187c2;box-shadow:0 0 0 3px rgba(36,111,174,.1)}.category-list{margin:18px -6px 0;padding-top:14px;border-top:1px solid #edf1f5}.category-list button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:9px 10px;border:0;border-radius:8px;background:transparent;color:#496279;cursor:pointer;text-align:left}.category-list button:hover{background:#f2f6fa}.category-list button.on{background:#e8f2fa;color:#1e6cae;font-weight:700}.category-list i{font-style:normal;color:#91a1af;font-size:11px}.results-area{min-width:0}.result-bar{min-height:58px;display:flex;align-items:center;gap:12px;padding:8px 14px;margin-bottom:14px;border:1px solid var(--line);border-radius:12px;background:#fff}.result-bar>div:first-child{display:flex;align-items:baseline;gap:6px;white-space:nowrap}.result-bar strong{font-size:22px}.result-bar span{color:var(--sub);font-size:12px}.result-bar select{margin-left:auto}.active-filters{display:flex;gap:6px;flex-wrap:wrap}.active-filters button{border:0;border-radius:999px;padding:5px 9px;background:#e8f2fa;color:#256ca8;font-size:11px;cursor:pointer}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.product-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 5px 16px rgba(23,61,100,.045);transition:transform .18s,box-shadow .18s,border-color .18s;cursor:pointer}.product-card:hover{transform:translateY(-3px);border-color:#b6d2e8;box-shadow:var(--shadow)}.card-photo{position:relative;aspect-ratio:4/3;overflow:hidden;background:#fff;border-bottom:1px solid #edf1f5}.card-photo img{display:block;width:100%;height:100%;object-fit:contain;padding:9px;transition:transform .25s}.product-card:hover .card-photo img{transform:scale(1.025)}.side-label{position:absolute;left:10px;top:10px;padding:4px 7px;border-radius:6px;background:rgba(23,61,100,.86);color:#fff;font-size:10px}.no-photo{height:100%;display:grid;place-items:center;color:#9aabba;background:linear-gradient(135deg,#f7f9fb,#eef3f7)}.card-body{padding:14px}.card-path{display:flex;gap:5px;align-items:center;min-width:0;margin-bottom:7px;color:#6f8497;font-size:11px}.card-path span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-body h3{height:44px;overflow:hidden;margin:0 0 13px;font-size:14px;line-height:1.55}.card-foot{display:flex;justify-content:space-between;align-items:center;gap:8px}.brand-chip{max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#276fae;background:#eef6fc;padding:4px 7px;border-radius:6px;font-size:11px}.stock{font-size:12px;color:var(--sub);white-space:nowrap}.stock b{font-size:16px;color:var(--green)}.stock.low b{color:var(--gold)}.stock.none b{color:#b34f4f}.empty{min-height:360px;display:grid;place-content:center;text-align:center;color:var(--sub);border:1px dashed #cbd9e4;border-radius:14px;background:#fff}.empty b{font-size:18px;color:var(--ink);margin-bottom:5px}dialog{width:min(1040px,calc(100% - 30px));max-height:calc(100vh - 30px);padding:0;border:0;border-radius:18px;box-shadow:0 30px 90px rgba(12,35,57,.3);overflow:auto}dialog::backdrop{background:rgba(11,28,45,.62);backdrop-filter:blur(3px)}dialog[open]{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr)}.dialog-close{position:fixed;z-index:3;margin:14px 0 0 calc(min(1040px,100vw - 30px) - 54px);width:38px;height:38px;border:0;border-radius:50%;background:rgba(20,48,74,.86);color:#fff;font-size:25px;cursor:pointer}.detail-gallery{padding:24px;background:#f1f5f8}.main-photo{aspect-ratio:4/3;border-radius:13px;overflow:hidden;background:#fff;box-shadow:0 6px 20px rgba(23,61,100,.08)}.main-photo img{display:block;width:100%;height:100%;object-fit:contain}.photo-tabs{display:flex;gap:10px;margin-top:12px}.photo-tabs button{width:92px;height:68px;padding:3px;border:2px solid transparent;border-radius:9px;background:#fff;cursor:pointer}.photo-tabs button.on{border-color:var(--blue)}.photo-tabs img{width:100%;height:100%;object-fit:contain}.detail-copy{padding:42px 34px 30px}.detail-tags{display:flex;gap:7px;flex-wrap:wrap}.detail-tags span{padding:5px 8px;border-radius:6px;background:#edf5fb;color:#286ca4;font-size:11px}.detail-copy h2{font-size:23px;line-height:1.55;margin:16px 0 24px}.detail-copy dl{margin:0;border-top:1px solid var(--line)}.detail-copy dl div{display:grid;grid-template-columns:90px 1fr;padding:12px 0;border-bottom:1px solid var(--line)}.detail-copy dt{color:var(--sub)}.detail-copy dd{margin:0;font-weight:600}.detail-note{margin-top:24px;padding:12px 14px;border-radius:9px;background:#f5f7f9;color:#7b8c9d;font-size:11px}.skeleton{height:330px;border-radius:14px;background:linear-gradient(100deg,#eef3f6 25%,#f8fafb 38%,#eef3f6 58%);background-size:200% 100%;animation:shine 1.2s infinite}@keyframes shine{to{background-position:-200% 0}}
@media(max-width:1220px){.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero{align-items:stretch;flex-direction:column;gap:22px}.search-box{width:100%}}
@media(max-width:820px){main{width:calc(100% - 24px)}.site-head{height:60px;padding:0 16px}.head-meta{display:none}.hero{margin-top:12px;padding:23px 20px;border-radius:14px}.hero h1{font-size:24px}.catalog-layout{display:block}.filters{position:static;margin-bottom:12px;padding:13px}.filter-head{margin-bottom:10px}.filter-group{display:inline-block;width:calc(33.333% - 6px);margin:0 5px 0 0;vertical-align:top}.category-list{display:none}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.result-bar{position:sticky;top:0;z-index:5}.active-filters{display:none}dialog[open]{display:block}.dialog-close{right:25px}.detail-gallery{padding:16px}.detail-copy{padding:24px 20px}}
@media(max-width:520px){.brand-wrap span{display:none}.hero h1{font-size:21px}.hero>div>p:last-child{font-size:12px}.search-box{height:48px}.filter-group{display:block;width:100%;margin:8px 0}.result-bar select{max-width:128px}.product-grid{grid-template-columns:1fr 1fr}.card-body{padding:11px}.card-body h3{font-size:13px;height:41px}.card-path{font-size:10px}.brand-chip{max-width:54%}.detail-copy h2{font-size:19px}}

/* Keep the original product photos complete in every card. */
.card-photo img{object-fit:contain;padding:9px}
@media(max-width:820px){.card-photo img{object-fit:contain;padding:6px}}

/* Company branding and the temporary inventory-free presentation. */
.site-head{height:88px}.brand-wrap{gap:16px;min-width:0}.company-logo{display:block;width:300px;height:68px;object-fit:contain;border-radius:7px}.brand-title{padding-left:16px;border-left:1px solid rgba(255,255,255,.22)}.brand-chip{max-width:100%}
@media(max-width:820px){.site-head{height:72px}.company-logo{width:220px;height:54px}.brand-title{display:none}}
@media(max-width:520px){.company-logo{width:196px;height:50px}}