:root{--ink:#0b1f45;--muted:#637083;--line:#e8ebf0;--brand:#2563eb;--bg:#f7f8fb;--card:#fff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#111827;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}
.site-header{height:72px;padding:0 max(24px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brand{font-size:22px;font-weight:800;color:var(--ink);text-decoration:none}
.brand-mark{color:var(--brand)}
nav{display:flex;align-items:center;gap:24px}
nav a{color:#374151;text-decoration:none;font-weight:600}
.hero{padding:72px 24px 56px;text-align:center;background:radial-gradient(circle at 50% 0,#e8f0ff,transparent 58%)}
.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.18em;font-size:12px}
.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.06;margin:14px 0;color:var(--ink);letter-spacing:-.04em}
.hero>p:not(.eyebrow){color:var(--muted);font-size:18px}
.search{display:flex;max-width:620px;margin:30px auto 0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:6px;box-shadow:0 14px 34px #203a6b12}
.search input{flex:1;border:0;outline:0;padding:12px 16px;font-size:16px}
.search button,.primary{border:0;border-radius:11px;background:var(--ink);color:#fff;padding:12px 24px;font-weight:700}
.button{display:inline-block;text-decoration:none}
.catalog{max-width:1180px;margin:auto;padding:34px 24px 72px}
.category-list{display:flex;gap:10px;overflow:auto;padding-bottom:20px}
.chip{white-space:nowrap;padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#475569;text-decoration:none;font-size:14px}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card{background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;color:inherit;text-decoration:none;transition:.2s}
.product-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px #14284b14}
.cover{aspect-ratio:1.45;background:linear-gradient(135deg,#edf4ff,#f5efff);display:grid;place-items:center;overflow:hidden}
.cover img{width:100%;height:100%;object-fit:cover}
.cover span{font-size:56px;font-weight:900;color:var(--ink)}
.product-body{padding:18px}
.badges{display:flex;gap:6px}
.badges span,.label{font-size:12px;color:var(--brand);background:#edf4ff;padding:5px 8px;border-radius:999px}
.product-card h2{font-size:16px;line-height:1.45;height:46px;overflow:hidden;margin:12px 0 8px}
.meta{color:var(--muted);font-size:13px}
.price{color:#ef4444;font-size:26px;font-weight:850;margin-top:14px}
.price small{font-size:14px;margin-right:2px}
.product-page{max-width:1060px;margin:56px auto 24px;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:34px}
.product-visual{border-radius:24px}
.product-panel,.lookup-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px}
.product-panel h1{font-size:30px;color:var(--ink);margin:18px 0 8px}
.product-panel form,.lookup-card form{display:grid;gap:10px;margin-top:24px}
.product-panel input,.product-panel select,.lookup-card input{border:1px solid var(--line);border-radius:10px;padding:12px;font-size:16px}
.variant-list{display:grid;gap:8px;margin-top:20px}
.variant-list label{display:grid;grid-template-columns:auto 1fr auto auto;gap:8px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:10px;font-size:13px}
.variant-list strong{color:#ef4444}
.variant-list small{color:var(--muted)}
.notice{margin-top:28px;padding:18px;border-radius:14px;background:#fff7ed;color:#9a3412}
.detail{max-width:1060px;margin:0 auto 72px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:20px}
.detail p{line-height:1.8;color:#475569;white-space:pre-wrap}
.lookup-card{max-width:620px;margin:64px auto}
.lookup-card h1{color:var(--ink)}
.lookup-card dl{display:grid;grid-template-columns:100px 1fr;gap:12px;margin-top:24px}
.lookup-card dt{color:var(--muted)}
.lookup-card dd{margin:0}
.delivery{margin-top:24px;padding:18px;border-radius:14px;background:#ecfdf5}
.delivery pre{white-space:pre-wrap;word-break:break-all}
.upstream-order-link{display:block;margin-top:24px;color:var(--brand);text-decoration:none}
.empty{grid-column:1/-1;text-align:center;padding:70px;color:var(--muted)}
footer{text-align:center;padding:30px;color:#94a3b8;font-size:13px;border-top:1px solid var(--line)}
.admin-main{max-width:1240px;margin:40px auto;padding:0 24px}
.admin-title{display:flex;justify-content:space-between;align-items:center}
.admin-title h1{margin-top:6px}
.flash{padding:12px 16px;background:#ecfdf5;color:#166534;border-radius:10px;margin-bottom:16px}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px}
.table-wrap table{width:100%;border-collapse:collapse}
.table-wrap th,.table-wrap td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);font-size:14px}
.admin-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
.admin-form label{display:grid;gap:7px;color:var(--muted);font-size:13px}
.admin-form input,.admin-form select,.admin-form textarea,.inventory-box textarea,.inventory-box select{padding:11px;border:1px solid var(--line);border-radius:9px;font:inherit}
.admin-form .wide{grid-column:1/-1}
.admin-form .check{display:flex;align-items:center}
.inventory-box{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
.inventory-box form{display:grid;gap:12px}
.sku-row{grid-template-columns:minmax(180px,2fr) 120px 120px 90px 80px!important;align-items:center;margin-bottom:8px}
.sku-row input{padding:10px;border:1px solid var(--line);border-radius:8px}
.link-button{border:0;background:none;font:inherit;color:#374151;font-weight:600;cursor:pointer}
@media(max-width:900px){.product-grid{grid-template-columns:repeat(2,1fr)}
.product-page{grid-template-columns:1fr}
.hero{padding-top:48px}
}
@media(max-width:520px){.site-header{height:62px}
.site-header nav{gap:12px;font-size:14px}
.hero h1{font-size:40px}
.product-grid{grid-template-columns:1fr}
.catalog{padding-left:14px;padding-right:14px}
.product-card{display:grid;grid-template-columns:120px 1fr}
.product-card .cover{aspect-ratio:auto}
.product-card h2{height:auto}
.product-page{margin-top:24px;padding:0 14px}
.product-panel{padding:24px}
.admin-form{grid-template-columns:1fr}
.sku-row{grid-template-columns:1fr!important}
}

.admin-cover-preview{display:block;width:180px;height:180px;object-fit:cover;border:1px solid var(--line);border-radius:16px;margin:12px 0 18px}

.product-card .cover{aspect-ratio:1/1;background:#fff;padding:0}
.product-card .cover img,.product-visual.cover img{object-fit:contain;background:#fff}
.product-visual.cover{aspect-ratio:1/1;background:#fff}

.variant-picker{min-width:0;margin:20px 0 0;padding:0;border:0}
.variant-picker legend{margin-bottom:9px;color:#374151;font-size:13px;font-weight:700}
.variant-option{cursor:pointer;transition:border-color .15s,background-color .15s,box-shadow .15s}
.variant-option:hover{border-color:#93b4f8}
.variant-option.is-selected{border-color:var(--brand);background:#eff6ff;box-shadow:0 0 0 1px var(--brand)}
.variant-option input:focus-visible{outline:3px solid #93c5fd;outline-offset:3px}
.variant-picker.is-disabled .variant-option{cursor:not-allowed;opacity:.72}
.variant-picker.is-disabled .variant-option:hover{border-color:var(--line)}
.product-panel form .variant-picker{margin-top:0}

@media(max-width:520px){
.variant-option{grid-template-columns:auto minmax(0,1fr) auto}
.variant-option small{grid-column:2/4}
}