:root{--primary:#6756b8;--ink:#293244;--muted:#7b8295;--line:#e9e8f0}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f4f4f9;font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft Yahei",sans-serif}a{text-decoration:none;color:inherit}button,input,select{font:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer}header{background:#fff;border-bottom:1px solid var(--line)}.top{max-width:1400px;margin:auto;padding:18px 24px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:750;white-space:nowrap}.brand img{width:46px;height:46px}.brand small{display:block;font-size:11px;letter-spacing:1px;font-weight:400;color:var(--muted)}.top form{display:flex;flex:1;max-width:590px;margin:auto}.top input{width:100%;border:1px solid var(--line);padding:11px 16px;border-radius:7px 0 0 7px;background:#f8f8fc}.top button{padding:0 22px;border:0;color:#fff;background:var(--primary);border-radius:0 7px 7px 0}.top>a:not(.brand){white-space:nowrap;color:#5f6474}nav{background:#fff;border-top:1px solid #f5f5f8}nav>div{max-width:1400px;margin:auto;padding:0 24px;display:flex;gap:38px}nav a{padding:13px 0;color:#55536b;font-weight:600}nav a:hover{color:var(--primary)}main{max-width:1400px;padding:24px;display:grid;grid-template-columns:258px minmax(0,1fr);gap:23px;margin:auto;align-items:start}aside,.notice,.products,.detail{background:#fff;border:1px solid var(--line);border-radius:9px}aside{padding:16px 10px;position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto}aside h2{font-size:16px;margin:0 9px 15px;display:flex;justify-content:space-between}small{color:var(--muted);font-size:11px;font-weight:400}.category,.sub{display:flex;gap:10px;padding:9px 13px;border-radius:6px}.category.active,.sub.active{background:#efecfb;color:var(--primary)}summary{display:flex;align-items:center;padding:10px 9px;gap:9px;cursor:pointer;list-style:none}summary:after{content:'⌄';color:#9293a3}summary a{flex:1;line-height:1.4}summary img{width:23px;height:23px;object-fit:contain;border-radius:5px}.sub{font-size:12px;margin-left:20px;justify-content:space-between;color:#72748a}.notice{padding:20px 25px;margin-bottom:22px;border-top:3px solid var(--primary)}.notice h2{font-size:17px;margin:0 0 10px}.notice p{margin:7px 0;color:#697084}.shortcuts{display:flex;gap:10px;margin-top:15px;flex-wrap:wrap}.shortcuts a{padding:5px 13px;background:#f1effa;border-radius:5px;color:var(--primary)}.listhead{display:flex;align-items:center;gap:12px;margin:14px 0}.listhead h1{font-size:19px;margin:0}.listhead span{color:var(--muted);font-size:12px}.listhead select{margin-left:auto;background:#fff;border:1px solid var(--line);padding:8px 11px;border-radius:5px;max-width:180px}.table-head,.row{display:grid;grid-template-columns:minmax(0,1fr) 75px 100px 64px;gap:15px;align-items:center}.table-head{padding:11px 18px;color:var(--muted);font-size:12px}.products{overflow:hidden}.row{padding:14px 18px;border-bottom:1px solid #f0f0f5;transition:background .15s}.row:last-child{border:0}.row:hover{background:#faf9ff}.product-name{display:flex;align-items:center;gap:13px;min-width:0}.product-name img{width:34px;height:34px;object-fit:contain;flex-shrink:0;border-radius:7px}.product-name strong{font-size:13px;line-height:1.65;font-weight:500;overflow-wrap:anywhere}.stock{font-size:12px;color:#81889a}.price{font-weight:700;color:#ec5968;font-size:16px}.buy{font-size:12px;text-align:center;color:#fff;background:var(--primary);border-radius:5px;padding:6px 12px}.pages{display:flex;justify-content:center;gap:18px;padding:24px;font-size:13px}.pages a{color:var(--primary)}footer{margin-top:35px;background:#fff;text-align:center;padding:34px 20px;color:var(--muted);font-size:12px}footer strong{color:var(--ink);font-size:18px}footer a{margin:0 12px}.support{position:fixed;right:20px;bottom:24px;background:var(--primary);color:#fff;padding:11px 17px;box-shadow:0 5px 20px #6756b833;border-radius:30px}.breadcrumbs{font-size:12px;color:var(--muted);margin-bottom:16px}.detail{padding:25px}.overview{display:grid;grid-template-columns:36% 1fr;gap:30px}.picture{background:#f8f8fc;border-radius:8px;height:300px;display:flex;align-items:center;justify-content:center}.picture img{width:85%;height:85%;object-fit:contain}.purchase h1{font-size:21px;line-height:1.6;margin:0}.purchase>p{color:var(--muted);font-size:13px}.purchase>.price{font-size:28px;margin:15px 0}.purchase form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.purchase label{font-size:12px;color:#697084}.purchase input,.purchase select{display:block;width:100%;margin-top:6px;padding:10px;border:1px solid #ddddea;border-radius:5px;min-width:0}.purchase form>p,.pay{grid-column:1/-1;margin:0}.pay{padding:13px;border:0;border-radius:6px;background:var(--primary);color:#fff;font-weight:600}.description{border-top:1px solid var(--line);margin-top:30px;padding-top:15px;overflow-wrap:anywhere}.description h2{font-size:19px}.description img{max-width:100%;height:auto}.description table{max-width:100%;border-collapse:collapse}.description td{padding:8px;border:1px solid #e6e6ee}.empty{padding:30px;text-align:center}#feedback{color:#bc3e47}input:focus,select:focus{outline:2px solid #b8aff2;outline-offset:1px}@media(max-width:1000px){.top{gap:14px}.top form{max-width:350px}.brand{font-size:19px}main{grid-template-columns:215px minmax(0,1fr);gap:15px;padding:18px}.table-head,.row{grid-template-columns:minmax(0,1fr) 50px 75px 50px;gap:8px}.buy{padding:5px}.overview{grid-template-columns:1fr}.picture{height:220px}}@media(max-width:700px){.top{padding:14px 16px;flex-wrap:wrap}.brand{font-size:20px;flex:1}.top>a:not(.brand){font-size:12px}.top form{order:5;max-width:none;flex-basis:100%}nav>div{gap:26px;overflow:auto;padding:0 16px;white-space:nowrap;font-size:13px}main{display:block;padding:14px}aside{position:static;max-height:245px;margin-bottom:17px;padding:12px}aside h2{margin-bottom:5px}aside details{display:inline-block;vertical-align:top;width:49%}aside details[open]{width:100%}.category{display:inline-block;font-size:12px;padding:5px 10px}summary{font-size:12px;padding:8px 6px}summary img{width:19px;height:19px}.notice{padding:16px;font-size:12px}.notice h2{font-size:15px}.listhead h1{font-size:17px}.listhead span{display:none}.table-head{display:none}.row{grid-template-columns:minmax(0,1fr) 70px;padding:15px 12px;gap:4px 10px}.product-name{grid-column:1/-1;align-items:start;margin-bottom:5px}.product-name strong{font-size:13px}.stock{padding-left:47px}.stock:before{content:'库存：'}.price{grid-column:2;grid-row:2;font-size:15px}.buy{grid-column:2;margin-top:5px}.detail{padding:16px}.purchase h1{font-size:19px}.purchase form{gap:10px}.support{right:12px;bottom:15px;font-size:12px}.description{font-size:13px}footer{padding-bottom:65px}}

.top button{white-space:nowrap;flex-shrink:0}.top input{min-width:0}

.brand{white-space:normal;font-size:20px;line-height:1.4;max-width:430px;min-width:0}.brand img{flex-shrink:0}.brand>span{min-width:0}.brand small{margin-top:4px}@media(max-width:700px){.brand{flex:0 0 100%;font-size:18px;max-width:100%}.top{row-gap:12px}}

.brand>span{text-wrap:balance}

/* Category directory and delivery presentation */
:root{--line:#e6e5ef}.top{padding-top:22px;padding-bottom:22px}nav>div{gap:32px}aside,.notice,.products,.detail{border-radius:14px;box-shadow:0 3px 18px #34304f04}aside{padding:20px 14px}.category{display:block;margin-bottom:10px;padding:10px 13px;font-weight:600}.category-tree{display:grid;gap:5px}.category-group{min-width:0;border-radius:9px}.category-group.is-current{background:#f3f0fc}.category-group summary{display:grid;grid-template-columns:24px minmax(0,1fr) auto 8px;gap:9px;padding:11px 8px;min-height:48px}.category-group summary a{min-width:0;overflow-wrap:anywhere;font-size:13px}.category-group summary small{font-variant-numeric:tabular-nums}.category-group:not(.has-children) summary:after{display:none}.category-group[open] summary:after{transform:rotate(180deg)}.category-children{padding:0 6px 8px}.sub{margin-left:18px;gap:10px;padding:9px 11px;border-radius:7px;font-size:12px;line-height:1.6}.sub small{flex-shrink:0}.category-toggle{display:none}.table-head,.row{grid-template-columns:minmax(0,1fr) 58px 94px 92px 64px;gap:15px}.table-head{padding:12px 20px}.row{padding:19px 20px}.product-name{gap:14px}.product-name img{width:42px;height:42px;border-radius:10px;background:#f7f7fb}.product-name strong{font-size:14px;font-weight:500;line-height:1.7}.delivery-badge{display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:4px 9px;border-radius:6px;background:#eaf7ef;color:#237749;font-size:11px;font-weight:600;white-space:nowrap;width:fit-content}.delivery-badge:before{content:'';width:5px;height:5px;background:#28a368;border-radius:50%;flex-shrink:0}.detail-delivery{margin-top:12px}.delivery-note{padding:12px 14px;background:#f2f7fc;color:#587088;border-radius:8px;font-size:12px;line-height:1.8}.buy{padding:8px 14px;font-weight:600;border-radius:7px}.price{font-size:18px}.notice{padding:22px 25px}.notice p{line-height:1.9}.listhead{margin:25px 0 13px}.listhead select{max-width:155px}.support{bottom:22px;right:20px}
@media(min-width:701px) and (max-width:1100px){.table-head,.row{grid-template-columns:minmax(0,1fr) 44px 82px 76px 56px;gap:9px}.row{padding:16px 12px}.product-name img{width:34px;height:34px}.product-name strong{font-size:13px}.delivery-badge{font-size:10px;padding:4px 6px}}
@media(max-width:700px){.top{padding:18px 16px;gap:12px}.brand small{font-size:10px;letter-spacing:.5px}.top>a:not(.brand){padding:3px 0}nav>div{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;overflow:visible;padding:0 8px}nav a{text-align:center;font-size:12px;padding:14px 3px}main{padding:16px 12px}aside{max-height:none;overflow:visible;padding:17px 12px;margin-bottom:18px}aside h2{margin:0 3px 12px;font-size:16px}.category{padding:8px 11px;margin:0 0 10px;font-size:12px}.category-tree{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.category-tree details{display:block;width:auto;background:#f9f9fc;border:1px solid #eeeef4;min-width:0}.category-tree details[open]{width:auto;grid-column:1/-1;background:#f3f0fc}.category-tree.compact:not(.expanded)>details:nth-of-type(n+7):not(.is-current){display:none}.category-tree summary{padding:10px 7px;grid-template-columns:22px minmax(0,1fr) auto;gap:6px;min-height:63px}.category-tree summary img{width:22px;height:22px}.category-tree summary a{font-size:12px;line-height:1.5}.category-tree summary:after{display:none}.category-tree summary small{font-size:10px}.category-children{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;padding:0 8px 9px}.category-tree details[open]>.category-children{display:grid}.sub{display:flex;margin:0;padding:8px;font-size:11px;background:#fff;align-items:center}.category-toggle:not([hidden]){display:block;width:100%;margin-top:12px;padding:10px;border:1px solid #e5dff5;border-radius:8px;background:#fff;color:var(--primary);font-size:12px;font-weight:600}.notice{padding:18px 16px;margin-bottom:20px}.notice p{font-size:12px;line-height:1.9}.listhead{margin-top:23px}.listhead select{max-width:140px;font-size:12px}.products{border:0;background:transparent;box-shadow:none;overflow:visible;display:grid;gap:12px}.row{grid-template-columns:minmax(0,1fr) auto;gap:12px 10px;padding:17px;background:#fff;border:1px solid var(--line)!important;border-radius:12px;box-shadow:0 3px 12px #34304f03}.product-name{grid-column:1/-1;gap:11px;align-items:flex-start;margin:0}.product-name img{width:40px;height:40px}.product-name strong{font-size:14px;line-height:1.7}.stock{grid-column:1;grid-row:2;padding:0;font-size:11px}.stock:before{content:'库存：'}.delivery-badge{grid-column:2;grid-row:2;justify-self:end;font-size:10px;padding:4px 7px}.price{grid-column:1;grid-row:3;font-size:21px;line-height:1.4}.buy{grid-column:2;grid-row:3;margin:0;min-width:78px;padding:8px 15px;font-size:12px}.detail-delivery{display:inline-flex;margin-top:12px}.detail{padding:18px 15px}.purchase form{gap:14px}.delivery-note{font-size:11px}.purchase .price{font-size:28px}.support{bottom:14px;right:12px;padding:11px 14px;font-size:12px}.pages{padding:24px 0}footer strong{font-size:16px}footer{padding:28px 16px 75px}}

@media(max-width:700px){.product-page main{display:flex;flex-direction:column}.product-page .main{order:0;width:100%}.product-page aside{order:1;width:100%;margin-top:20px}}

/* Keep action placement explicit, including when a title wraps. */
@media(min-width:701px){.products>.row>.product-name{grid-column:1;grid-row:1}.products>.row>.stock{grid-column:2;grid-row:1}.products>.row>.delivery-badge{grid-column:3;grid-row:1}.products>.row>.price{grid-column:4;grid-row:1}.products>.row>.buy{grid-column:5;grid-row:1;justify-self:end;width:auto;min-width:60px;white-space:nowrap}}
@media(max-width:700px){.products>.row>.product-name{grid-column:1/-1;grid-row:1}.products>.row>.stock{grid-column:1;grid-row:2}.products>.row>.delivery-badge{grid-column:2;grid-row:2}.products>.row>.price{grid-column:1;grid-row:3}.products>.row>.buy{grid-column:2;grid-row:3;justify-self:end;width:auto;white-space:nowrap}}

.checkout-actions{grid-column:1/-1;gap:16px;align-items:center;font-size:12px}.checkout-actions:not([hidden]){display:flex;flex-wrap:wrap}.checkout-actions button{border:1px solid #ddd7ed;background:#fff;color:#6756b8;border-radius:6px;padding:7px 12px}.checkout-actions a{color:#6756b8;text-decoration:underline;text-underline-offset:3px}.pay:disabled{cursor:wait;opacity:.75}

/* Accessible native radio group; the selected card follows browser/session restoration. */
.purchase .payment-networks{grid-column:1/-1;min-width:0;margin:0;padding:0;border:0}
.payment-networks legend{font-size:12px;color:#697084;padding:0;margin:0 0 8px}
.network-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.purchase .network-option{position:relative;display:block;min-width:0;cursor:pointer;color:var(--ink)}
.purchase .network-option input{position:absolute;width:1px;height:1px;padding:0;margin:0;border:0;opacity:0;overflow:hidden;clip-path:inset(50%)}
.network-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-height:114px;padding:14px 12px;border:1px solid #ddddea;border-radius:10px;background:#fff;transition:border-color .15s,background .15s,box-shadow .15s}
.network-mark{display:grid;place-items:center;width:29px;height:29px;border-radius:9px;font-size:15px;font-weight:750;line-height:1;flex-shrink:0}
.network-mark-trc20{background:#fff0f0;color:#d64149}.network-mark-erc20{background:#edf0ff;color:#6471bd}.network-mark-solana{background:#eef9f6;color:#237e6e}
.network-text{display:block;min-width:0}.network-text strong{display:block;font-size:15px;line-height:1.3;color:#273047}.network-text small{display:block;font-size:10px;line-height:1.5;margin-top:4px;color:#7a8193;white-space:nowrap}
.network-check{position:absolute;right:10px;top:12px;display:grid;place-items:center;width:17px;height:17px;border:1px solid #d9dce7;border-radius:50%;font-size:10px;color:transparent;background:#fff}
.network-option:hover .network-card{border-color:#a195dd;background:#fcfbff}
.network-option input:checked+.network-card{border-color:var(--primary);background:#f6f3ff;box-shadow:0 0 0 1px var(--primary)}
.network-option input:checked+.network-card .network-check{background:var(--primary);border-color:var(--primary);color:#fff}
.network-option input:checked+.network-card strong{color:#5846ac}
.network-option input:focus-visible+.network-card{outline:3px solid #b8aff2;outline-offset:3px}
@media(max-width:440px){.network-options{gap:8px}.network-card{min-height:112px;padding:12px 9px}.network-text strong{font-size:14px}.network-text small{font-size:9px}.network-check{right:8px;top:10px}}
@media(prefers-reduced-motion:reduce){.network-card{transition:none}}