:root{
  --bg:#f7f7f4;--paper:#fff;--ink:#0b0b0b;--muted:#6d6d67;--line:#e4e4df;--accent:#d7ff3f;--dark:#111;
  --radius:18px;--container:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.topbar{background:var(--ink);color:#fff;text-align:center;font-size:12px;letter-spacing:.08em;padding:8px 12px}
.site-header{max-width:var(--container);margin:0 auto;padding:18px 18px 12px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-weight:800;letter-spacing:-.03em;font-size:20px}
.nav{display:flex;gap:18px;font-size:13px;align-items:center}
.cart-count{display:inline-flex;min-width:20px;height:20px;align-items:center;justify-content:center;border-radius:999px;background:var(--accent);color:#111;font-size:11px;font-weight:700;padding:0 5px}
.container{max-width:var(--container);margin:0 auto;padding:0 18px 64px}
.hero{background:linear-gradient(135deg,#111 0%,#292929 60%,#3b3b34 100%);color:#fff;border-radius:26px;padding:42px 26px;margin:14px 0 30px;display:flex;justify-content:space-between;align-items:flex-end;min-height:340px;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:var(--accent);filter:blur(10px);opacity:.16;right:-80px;top:-80px}
.hero h1{font-size:clamp(34px,8vw,64px);line-height:1.02;letter-spacing:-.05em;margin:10px 0 16px;max-width:620px}
.hero p{color:#c9c9c3;max-width:420px;font-size:14px}
.hero-mark{font-size:52px;font-weight:900;line-height:.85;letter-spacing:-.04em;color:var(--accent);position:relative;z-index:1}
.hero-mark span{font-size:11px;letter-spacing:.3em;color:#fff;font-weight:500}
.eyebrow{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);font-weight:700}
.hero .eyebrow{color:#bdbdb5}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:12px 20px;background:var(--paper);color:var(--ink);font-weight:700;font-size:13px;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#101010}
.btn.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.full{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.section{margin:34px 0}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.section-head h2{font-size:22px;letter-spacing:-.03em;margin:0}
.section-head a{font-size:13px;color:var(--muted)}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media(min-width:760px){.product-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}}
.product-card{background:var(--paper);border-radius:var(--radius);overflow:hidden;border:1px solid rgba(0,0,0,.04)}
.card-image{aspect-ratio:1/1.12;background:#ecece7;overflow:hidden;display:block}
.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover img{transform:scale(1.03)}
.image-placeholder{height:100%;display:flex;align-items:center;justify-content:center;color:#999;font-size:11px;letter-spacing:.15em;background:repeating-linear-gradient(45deg,#efefea,#efefea 8px,#e7e7e1 8px,#e7e7e1 9px)}
.image-placeholder.large{aspect-ratio:1/1.12;border-radius:var(--radius)}
.card-body{padding:12px 12px 14px}
.card-body h3{font-size:13px;line-height:1.35;margin:4px 0 8px;font-weight:600;min-height:36px}
.price{font-weight:800;letter-spacing:-.02em}
.price small{font-size:10px;color:var(--muted);font-weight:500}
.meta{font-size:11px;color:var(--muted);margin-top:4px}
.chips,.filter-row{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}
.chips::-webkit-scrollbar,.filter-row::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:8px 14px;font-size:12px;font-weight:600}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:26px 0 20px;flex-wrap:wrap}
.page-head h1{font-size:34px;letter-spacing:-.04em;margin:4px 0 0}
.search{display:flex;gap:6px}
.search input{border:1px solid var(--line);border-radius:999px;padding:10px 14px;background:var(--paper);min-width:180px}
.search button{border:0;background:var(--ink);color:#fff;border-radius:999px;padding:0 16px;font-size:12px}
.empty{padding:54px 18px;text-align:center;color:var(--muted);background:var(--paper);border-radius:var(--radius)}
.flash,.errors{margin:14px 0;padding:12px 16px;border-radius:12px;font-size:13px}
.flash{background:#e8ffd0;border:1px solid #b8e986}
.errors{background:#fff1f1;border:1px solid #ffc9c9;color:#8a1f1f}
.product-detail{display:grid;grid-template-columns:1fr;gap:22px;margin:18px 0 36px}
@media(min-width:880px){.product-detail{grid-template-columns:1.05fr .95fr;gap:52px;align-items:start}}
.main-image{background:#ecece7;border-radius:22px;overflow:hidden;aspect-ratio:1/1.1}
.main-image img{width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:8px;overflow-x:auto;margin-top:10px}
.thumb{width:66px;height:78px;flex:0 0 auto;border:1px solid var(--line);padding:0;border-radius:10px;overflow:hidden;background:#fff;cursor:pointer}
.thumb img{width:100%;height:100%;object-fit:cover}
.detail-info h1{font-size:clamp(26px,5vw,40px);line-height:1.1;letter-spacing:-.04em;margin:8px 0 12px}
.detail-price{font-size:26px;margin:10px 0 2px}
.cod-line{font-size:12px;color:var(--muted);margin-bottom:16px}
.short-desc{font-size:14px;color:#3d3d38}
.option-group{margin:20px 0}
.option-label{font-size:11px;letter-spacing:.12em;font-weight:700;color:var(--muted);margin-bottom:8px}
.option-row{display:flex;flex-wrap:wrap;gap:8px}
.option{border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:10px 14px;font-size:12px;cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.option.selected{border-color:var(--ink);background:var(--ink);color:#fff}
.option.disabled{opacity:.3;text-decoration:line-through;cursor:not-allowed}
.swatch{width:12px;height:12px;border-radius:50%;border:1px solid rgba(0,0,0,.12)}
.stock-note{font-size:12px;color:var(--muted);margin-top:9px}
.stock-note.good{color:#2d6a32}.stock-note.warn{color:#9a6500}.stock-note.bad{color:#a22}
.size-chart{margin:18px 0;border-top:1px solid var(--line);padding-top:14px;font-size:13px}
.size-chart summary{cursor:pointer;font-weight:700}
.size-chart-body{padding:10px 0;color:var(--muted)}
.buy-form{margin-top:22px}
.qty-row{display:flex;align-items:center;justify-content:space-between;margin:14px 0}
.qty-control{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--paper)}
.qty-control button{width:38px;height:38px;border:0;background:transparent;font-size:18px;cursor:pointer}
.qty-control span{min-width:28px;text-align:center;font-weight:700}
.buy-form .btn{margin-top:8px}
.accordion{margin-top:24px;border-top:1px solid var(--line)}
.accordion details{border-bottom:1px solid var(--line);padding:13px 0}
.accordion summary{cursor:pointer;font-weight:700;font-size:13px}
.accordion p{font-size:13px;color:var(--muted)}
.description-block,.policy-box{background:var(--paper);border-radius:var(--radius);padding:22px;margin:22px 0}
.description-block h2,.policy-box h2{font-size:20px;margin-top:0}
.rich-text{font-size:14px;color:#373732;line-height:1.85}
.service-grid{display:grid;grid-template-columns:1fr;gap:10px;margin:34px 0}
@media(min-width:700px){.service-grid{grid-template-columns:repeat(3,1fr)}}
.service-grid>div{background:var(--paper);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:3px}
.service-grid strong{font-size:14px}.service-grid span{font-size:12px;color:var(--muted)}
.cart-layout,.checkout-layout{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
@media(min-width:900px){.cart-layout{grid-template-columns:1.5fr .7fr}.checkout-layout{grid-template-columns:1.2fr .8fr}}
.cart-list{display:flex;flex-direction:column;gap:10px}
.cart-item{display:grid;grid-template-columns:84px 1fr auto;gap:12px;background:var(--paper);border-radius:14px;padding:10px;align-items:center}
.cart-thumb{width:84px;height:96px;border-radius:9px;overflow:hidden;background:#eee}
.cart-thumb img{width:100%;height:100%;object-fit:cover}
.cart-name{font-size:13px;font-weight:700}
.cart-info .price{font-size:14px;margin-top:3px}
.cart-actions{display:flex;flex-direction:column;gap:4px;align-items:flex-end;font-size:11px}
.qty-input{width:52px;border:1px solid var(--line);border-radius:7px;padding:5px;text-align:center}
.link-button,.link{background:none;border:0;padding:0;color:var(--muted);font-size:11px;cursor:pointer;text-decoration:underline}
.link-button.danger,.link.danger{color:#a22}
.line-total{grid-column:2/4;text-align:right;font-weight:700;font-size:13px}
.summary{background:var(--paper);border-radius:var(--radius);padding:20px;position:sticky;top:16px}
.summary h2{font-size:17px;margin:0 0 14px}
.summary-row,.summary-item{display:flex;justify-content:space-between;gap:14px;font-size:13px;padding:8px 0;border-bottom:1px solid #f0f0ec}
.summary-item div{display:flex;flex-direction:column}
.summary-item span{font-size:11px;color:var(--muted)}
.summary-total{display:flex;justify-content:space-between;font-size:16px;padding:14px 0;border-top:1px solid var(--line);margin-top:6px}
.summary .btn{margin-top:12px}
.fineprint{font-size:10px;color:var(--muted);line-height:1.6;margin:10px 0 0}
.warn{color:#9a6500;font-size:11px}
.checkout-form{display:flex;flex-direction:column;gap:12px}
.form-section{background:var(--paper);border-radius:var(--radius);padding:20px}
.form-section h2{font-size:16px;margin:0 0 12px}
.form-section label,.form-panel label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:600;margin-bottom:12px}
input,select,textarea{border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fff;width:100%;font-size:14px}
textarea{resize:vertical}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.radio-line{flex-direction:row!important;align-items:center;gap:8px!important}
.radio-line input{width:auto}
.payment-box p{font-size:12px;color:var(--muted)}
.cod-badge{background:var(--accent);border-radius:10px;text-align:center;font-size:12px;font-weight:700;padding:10px;margin-top:12px}
.success-wrap{max-width:760px;margin:36px auto}
.success-card{background:var(--paper);border-radius:24px;padding:28px}
.success-card h1{font-size:34px;letter-spacing:-.04em;margin:6px 0}
.success-sub{color:var(--muted);font-size:14px}
.order-number{display:flex;justify-content:space-between;gap:12px;background:#f4f4ee;border-radius:12px;padding:14px;margin:20px 0}
.address-box{border-top:1px solid var(--line);border-top:1px solid var(--line);padding:14px 0;font-size:13px;color:#3b3b36}
.status-pill{display:inline-block;background:#f1f1eb;border-radius:999px;padding:8px 12px;font-size:11px;margin:10px 0}
.success-actions{display:flex;gap:8px;margin-top:14px}
.site-footer{border-top:1px solid var(--line);background:#fff;padding:28px 18px 18px;margin-top:20px}
.footer-grid{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:1fr;gap:18px;font-size:12px;color:var(--muted)}
@media(min-width:700px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
.footer-grid a,.footer-grid span{display:block;margin:4px 0}
.copyright{max-width:var(--container);margin:20px auto 0;border-top:1px solid var(--line);padding-top:14px;font-size:10px;color:var(--muted)}
.pagination{margin:22px 0;font-size:12px}
@media(max-width:420px){.hero{min-height:300px;padding:28px 20px}.hero-mark{font-size:38px}.site-header{padding-top:14px}.nav{gap:10px}}