:root{--ink:#16191f;--muted:#5f6673;--line:#e5e8ee;--soft:#f5f7fb;--blue:#0a66d8;--orange:#ff6a00;--max:1200px}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.top-strip{background:#16191f;color:#f6f8fb;font-size:13px}.inner,.section{width:min(var(--max),calc(100% - 32px));margin:0 auto}.top-strip .inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}.supplier{color:#fff;background:linear-gradient(90deg,rgba(3,25,56,.96),rgba(0,76,174,.82))}.supplier .inner{min-height:178px;display:grid;grid-template-columns:160px 1fr auto;gap:28px;align-items:center;padding:30px 0}.logo-box{width:168px;height:104px;background:linear-gradient(145deg,#fff,#eaf3ff);border-radius:4px;display:grid;place-items:center;padding:10px;box-shadow:0 12px 32px rgba(0,0,0,.25)}.logo-box img{width:100%;height:100%;object-fit:contain}.supplier h1{margin:0 0 12px;font-size:28px;line-height:1.2}.supplier-meta{color:#eef5ff;font-size:14px;line-height:1.7}.badge{display:inline-flex;min-height:28px;padding:4px 10px;background:rgba(255,255,255,.92);color:#112a46;border-radius:4px;font-size:13px;font-weight:700}.badge.blue{color:#fff;background:linear-gradient(118deg,#3094fc,#005ccc)}.badges{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;border:1px solid transparent;border-radius:4px;padding:9px 14px;font-weight:700}.btn.primary{background:var(--orange);color:#fff}.btn.outline{background:#fff;color:var(--blue);border-color:var(--blue)}.nav{background:#060606;color:#fff}.nav .inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px}.nav-list{display:flex;align-items:center}.nav-list a{display:flex;align-items:center;min-height:64px;padding:0 24px;font-size:17px}.nav-list a:hover,.nav-list a.active{background:#111}.page-head{background:#f5f7fb;border-bottom:1px solid var(--line);padding:30px 0}.breadcrumbs{color:#667084;font-size:13px;margin-bottom:14px}.page-head h2{margin:0 0 10px;font-size:30px}.page-head p{margin:0;color:var(--muted);line-height:1.7;max-width:860px}.content{padding:34px 0}.layout{display:grid;grid-template-columns:235px 1fr;gap:24px}.category-sidebar{border:1px solid #dfe4ec;background:#fff;align-self:start}.category-sidebar h3{margin:0;padding:18px 20px;border-top:3px solid #111;border-bottom:1px solid #dfe4ec;font-size:18px;line-height:1.2}.category-sidebar a{position:relative;display:block;padding:8px 38px 8px 20px;color:#333;font-size:15px;line-height:1.3}.category-sidebar a:hover,.category-sidebar a.active{color:var(--orange);background:#f7f8fb}.category-sidebar a.has-sub::after{content:"";position:absolute;top:50%;right:18px;width:8px;height:8px;border-top:1px solid #666;border-right:1px solid #666;transform:translateY(-50%) rotate(45deg)}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.product-card{border:1px solid var(--line);border-radius:6px;background:#fff;overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}.product-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(16,27,48,.12)}.product-card .photo{aspect-ratio:1/1;background:#f1f3f7}.product-card .photo img{width:100%;height:100%;object-fit:cover}.product-card .body{padding:13px 14px 16px}.product-card h3{min-height:42px;margin:0 0 10px;font-size:15px;line-height:1.4}.price{color:var(--orange);font-weight:700;margin-bottom:12px}.moq{color:var(--muted);font-size:13px}.product-detail{display:grid;grid-template-columns:minmax(320px,480px) 1fr;gap:36px;align-items:start}.detail-image{border:1px solid var(--line);border-radius:6px;background:#f5f7fb;overflow:hidden}.detail-image img{width:100%;aspect-ratio:1/1;object-fit:cover}.detail-info h2{margin:0 0 14px;font-size:30px;line-height:1.25}.detail-row{padding:12px 0;border-bottom:1px solid var(--line);color:#333}.detail-row strong{display:inline-block;min-width:98px}.contact-box{margin-top:24px;padding:20px;border:1px solid var(--line);border-radius:6px;background:#fbfcff}.footer{background:#111821;color:#d4deeb;padding:24px 0;margin-top:40px}.footer .inner{display:flex;justify-content:space-between;gap:18px;font-size:13px}@media(max-width:980px){.supplier .inner{grid-template-columns:1fr}.nav .inner,.nav-list{display:block}.nav-list a{min-height:46px}.layout,.product-detail{grid-template-columns:1fr}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.product-grid{grid-template-columns:1fr}.category-sidebar a{font-size:18px}.supplier h1,.page-head h2,.detail-info h2{font-size:24px}}
.thumb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.thumb-grid img{aspect-ratio:1/1;object-fit:cover;border:1px solid var(--line);border-radius:4px;background:#f5f7fb}
.detail-section{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.detail-section h3{margin:0 0 12px;font-size:22px;line-height:1.3}
.detail-section p{margin:0 0 12px;color:#3d4655;line-height:1.7}
.feature-list{margin:0;padding-left:20px;color:#3d4655;line-height:1.7}
.spec-table{width:100%;border-collapse:collapse;border:1px solid var(--line)}
.spec-table th,.spec-table td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table th{width:170px;background:#f7f8fb}
.detail-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.detail-gallery img{width:100%;aspect-ratio:1/1;object-fit:cover;border:1px solid var(--line);border-radius:6px;background:#f5f7fb}
@media(max-width:980px){.detail-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.detail-gallery{grid-template-columns:1fr}}