:root{--primary:#0e63f4;--primary-dark:#0a4bb8;--dark:#0f1c33;--text:#1c2b41;--muted:#64748b;--bg:#f5f8fc;--line:#e2e8f0;--card:#fff;--radius:12px;--shadow:0 1px 3px rgba(15,28,51,.08),0 8px 24px rgba(15,28,51,.06)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:15px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font-family:inherit}.container{max-width:1180px;margin:0 auto;padding:0 20px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:hsla(0,0%,100%,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:28px;height:64px}.brand{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:-.5px;white-space:nowrap}.brand 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(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.hero h1{font-size:30px}}@media (max-width:560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.cat-card{background:var(--card);border-radius:var(--radius);padding:22px;border:1px solid var(--line);transition:.2s;display:block}.cat-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}.cat-card .ico{font-size:30px}.cat-card h3{font-size:16px;margin:10px 0 4px}.cat-card p{font-size:13px;color:var(--muted)}.product-card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.2s;display:flex;flex-direction:column}.product-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--primary)}.product-card .thumb{aspect-ratio:4/3;background:#eef3fa;overflow:hidden}.product-card .thumb img{width:100%;height:100%;object-fit:cover}.product-card .body{padding:14px 16px 16px;flex:1 1;display:flex;flex-direction:column;gap:6px}.product-card h3{font-size:15px;line-height:1.4}.product-card .meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:auto}.badge{font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px;background:#e8f0fe;color:var(--primary-dark)}.badge.vet{background:#e7f8f3;color:#0d8a63}.badge.both{background:#fef3e2;color:#b45309}.badge.model{background:#f1f5f9;color:var(--muted);font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:8px;font-weight:700;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-ghost{border-color:hsla(0,0%,100%,.4);color:#fff}.btn-ghost:hover{border-color:#fff}.btn-outline{border-color:var(--primary);color:var(--primary);background:#fff}.btn-outline:hover{background:#eef4ff}.btn-danger{background:#fee2e2;color:#b91c1c}.btn-sm{padding:5px 12px;font-size:12.5px;border-radius:6px}.crumbs{font-size:13px;color:var(--muted);padding:20px 0}.detail-layout{display:grid;grid-template-columns:1.1fr 1fr;grid-gap:36px;gap:36px}@media (max-width:860px){.detail-layout{grid-template-columns:1fr}}.detail-info h1{font-size:26px;line-height:1.3}.detail-info .meta{margin:12px 0;display:flex;gap:8px;flex-wrap:wrap}.detail-info .summary{color:var(--muted);margin:10px 0 20px}.spec-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:18px 0}.spec-box 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h2{font-size:18px;margin-bottom:16px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}.items-table{width:100%;border-collapse:collapse;font-size:13px}.items-table th{text-align:left;padding:6px 8px;background:#f1f5f9;font-size:12px;color:#475569}.items-table td{padding:6px 8px;border-bottom:1px solid #eef2f7}.items-table input{padding:5px 8px;font-size:13px}.order-timeline{list-style:none;margin:0;padding:0}.order-timeline li{position:relative;padding:0 0 18px 24px;border-left:2px solid #e2e8f0;margin-left:8px}.order-timeline li:last-child{border-left-color:transparent}.order-timeline li:before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--primary)}.order-timeline li.dim:before{background:#cbd5e1}