:root{--brand:#10a9d6;--green:#35a36f;--ink:#263238;--muted:#69777c;--line:#e6ecee;--bg:#f6f9fa;--danger:#c83b3b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:#fff}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.header-inner{max-width:1180px;margin:auto;min-height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 20px}.brand{display:flex;align-items:center;gap:10px}.brand img{width:118px;max-height:52px;object-fit:contain}.brand span{color:#667;font-size:13px}nav{display:flex;align-items:center;gap:26px;font-size:15px}nav a:hover{color:var(--brand)}main{min-height:65vh}.hero{min-height:460px;background:linear-gradient(90deg,rgba(0,0,0,.58),rgba(0,0,0,.1)),url('/legacy/images/slides/slide-1.jpg') center/cover;display:flex;align-items:center;color:white}.hero>div{max-width:1180px;width:100%;margin:auto;padding:60px 24px}.hero h1{font-size:48px;margin:0 0 18px}.hero p{font-size:20px;max-width:610px;line-height:1.8}.button,button{display:inline-block;border:0;border-radius:6px;background:var(--brand);color:white;padding:11px 22px;cursor:pointer;font-size:15px}.button.alt{background:var(--green)}button.danger{background:var(--danger)}button.ghost,.button.ghost{background:white;color:var(--ink);border:1px solid var(--line)}.section{max-width:1180px;margin:auto;padding:64px 20px}.section h1,.section h2{text-align:center}.lead{color:var(--muted);text-align:center;line-height:1.9}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:36px}.card{border:1px solid var(--line);background:white;border-radius:12px;overflow:hidden;box-shadow:0 8px 28px rgba(27,53,65,.06)}.card img{width:100%;aspect-ratio:16/10;object-fit:cover}.card-body{padding:22px}.card h3{margin:0 0 12px}.card p{color:var(--muted);line-height:1.75}.product{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:start}.product-cover{border-radius:12px;width:100%;max-height:560px;object-fit:cover}.price{font-size:30px;color:#e44c3c;font-weight:700;margin:16px 0}.stock{color:var(--muted)}.panel{max-width:720px;margin:46px auto;padding:28px;border:1px solid var(--line);border-radius:12px;background:white;box-shadow:0 8px 28px rgba(27,53,65,.06)}.panel.wide{max-width:1100px}.panel h1,.panel h2{text-align:left}label{display:block;margin:14px 0;font-weight:600}input,select,textarea{width:100%;padding:11px 12px;margin-top:7px;border:1px solid #ccd7db;border-radius:6px;font:inherit;background:#fff}textarea{min-height:100px}.inline{display:inline}.inline input,.inline select,.inline button{width:auto;margin:0 6px}.notice{padding:12px 14px;margin:12px 0;border-left:4px solid var(--brand);background:#eaf8fc}.error{border-color:var(--danger);background:#fff1f1}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;margin:18px 0}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px;white-space:nowrap}.badge{display:inline-block;padding:4px 9px;border-radius:99px;background:#eaf7f0;color:#258057;font-size:12px}.summary{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.summary div{padding:20px;background:var(--bg);border-radius:10px}.summary b{display:block;font-size:28px;margin-top:8px}.order-item{display:flex;gap:14px;align-items:center}.order-item img{width:72px;height:72px;object-fit:cover;border-radius:8px}.tabs{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.tabs a{padding:8px 14px;border:1px solid var(--line);border-radius:99px}.policy{line-height:1.9}.muted{color:var(--muted)}footer{background:#edf3f5;margin-top:70px;padding:44px 20px;color:#58686e}footer>div{max-width:1180px;margin:auto}footer a{text-decoration:underline}@media(max-width:760px){.header-inner{display:block;padding:12px 16px}.brand{justify-content:center}.brand span{display:none}nav{justify-content:center;gap:13px;flex-wrap:wrap;margin-top:10px;font-size:13px}.hero{min-height:390px}.hero h1{font-size:34px}.hero p{font-size:17px}.section{padding:40px 16px}.grid,.product,.summary{grid-template-columns:1fr}.product{gap:24px}.panel{margin:24px 12px;padding:20px}.inline{display:block}.inline input,.inline select,.inline button{width:100%;margin:5px 0}th,td{padding:10px 8px}.hide-mobile{display:none}}

/* Shared storefront chrome mirrors the legacy homepage brand treatment. */
.qsk-site-header{position:sticky;top:0;z-index:20;background:#fff;border:0;border-bottom:1px solid #eee;box-shadow:0 1px 5px rgba(0,0,0,.04);font-family:'Open Sans',sans-serif;font-weight:600}
.qsk-header-inner{max-width:1170px;min-height:84px;margin:auto;padding:0 15px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.qsk-site-brand{display:flex;align-items:center;min-width:0;color:#777;white-space:nowrap}
.qsk-site-brand img{width:40px;height:40px;object-fit:contain;margin-right:5px;background:#00aef0;border-radius:3px}
.qsk-brand-name{margin-right:3px;color:#777;font-size:25px;font-weight:600;line-height:40px;letter-spacing:0}
.qsk-brand-tagline{color:#777;font-size:11px;font-style:normal;font-weight:600;letter-spacing:1px}
.qsk-site-nav{display:flex;align-items:center;justify-content:flex-end;gap:24px;margin:0;font-size:14px;font-weight:600;text-transform:uppercase}
.qsk-site-nav a{padding:31px 0 28px;color:#666;white-space:nowrap;border-bottom:3px solid transparent}
.qsk-site-nav a:hover,.qsk-site-nav a:focus,.qsk-site-nav a.is-active{color:#00a9e8;border-bottom-color:#00a9e8}
.qsk-site-nav form{display:block;margin:0}
.qsk-site-nav form button{margin:0;padding:8px 16px}
.policy-section+.policy-section{margin-top:38px;padding-top:8px;border-top:1px solid var(--line)}
.qsk-site-footer{margin-top:70px;padding:0;background:#292d31;color:#9da2a6;font-size:14px;line-height:1.8}
.qsk-site-footer a{text-decoration:none;color:#9da2a6}
.qsk-site-footer a:hover,.qsk-site-footer a:focus{color:#00a9e8}
.qsk-footer-top{max-width:1170px;margin:auto;padding:52px 15px 38px;display:grid;grid-template-columns:1.35fr 1fr 1fr 1.25fr;gap:46px}
.qsk-footer-top h4{margin:0 0 18px;color:#fff;font-size:16px;font-weight:600}
.qsk-footer-top p{margin:0}
.qsk-footer-top ul{margin:0;padding:0;list-style:none}
.qsk-footer-top li{margin:0 0 8px}
.qsk-footer-bottom{max-width:none!important;margin:0!important;padding:20px 15px;text-align:center;background:#202428;border-top:1px solid #34393e;color:#8f959a}
.qsk-footer-bottom a{margin-left:8px}
.product>div,.product form,.product select{min-width:0;max-width:100%}
.auth-panel{max-width:520px;margin-top:56px;padding:38px 42px;border-color:#e8eef0;border-radius:16px;box-shadow:0 18px 55px rgba(35,63,74,.09)}
.auth-heading{text-align:center;margin-bottom:26px}
.auth-heading>span{display:inline-block;margin-bottom:7px;color:var(--brand);font-size:12px;font-weight:700;letter-spacing:2px}
.auth-heading h1{margin:0;text-align:center;font-size:30px;letter-spacing:.5px}
.auth-heading p{margin:9px 0 0;color:#8a969b;font-size:14px}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin:0 0 25px;padding:4px;border-radius:10px;background:#f2f6f7}
.auth-tab{width:100%;padding:10px 12px;border:0;border-radius:7px;background:transparent;color:#6c797e;font-size:15px;font-weight:600;box-shadow:none}
.auth-tab:hover{color:var(--brand)}
.auth-tab.is-active{background:#fff;color:var(--brand);box-shadow:0 2px 9px rgba(35,63,74,.1)}
.auth-tab-panel[hidden]{display:none}
.auth-form label{margin:0 0 18px;color:#39484e;font-size:14px}
.auth-form input{height:46px;margin-top:8px;padding:11px 13px;border-color:#d7e0e3;transition:border-color .2s,box-shadow .2s}
.auth-form input:focus{outline:0;border-color:#69c9e5;box-shadow:0 0 0 3px rgba(16,169,214,.11)}
.auth-form input::placeholder{color:#aeb8bc;font-size:13px;opacity:.62}
.auth-primary{width:100%;min-height:46px;margin-top:2px;border-radius:8px;font-weight:700;letter-spacing:.5px}
.sms-code-row{display:grid;grid-template-columns:minmax(0,1fr) 128px;gap:10px;align-items:end}
.sms-code-row .sms-send{height:46px;margin-top:8px;padding:0 12px;border-color:#b9dce7;color:#079cca;white-space:nowrap;font-size:14px}
.sms-code-row .sms-send:hover{background:#f1fbfe}
.sms-status{min-height:20px;margin:-8px 0 12px;color:#258057;font-size:12px}
.auth-links{display:flex;align-items:center;justify-content:center;gap:13px;margin:24px 0 0;color:#6d7a7f;font-size:14px}
.auth-links a{color:#248da9}
.auth-links a:hover{text-decoration:underline}
.auth-links span{width:1px;height:13px;background:#dce3e5}
.error-text{color:var(--danger)!important}
button:disabled{cursor:not-allowed;opacity:.62}
.checkout-panel{max-width:760px}
.checkout-help{margin:-1px 0 18px;font-size:13px;line-height:1.6}
.checkout-fields{margin:20px 0;padding:16px 18px;border:1px solid var(--line);border-radius:10px;background:#fbfdfe}
.checkout-fields[hidden]{display:none}
.checkout-fields legend{padding:0 8px;color:#39484e;font-weight:700}
.payment-section{margin:22px 0}
.payment-section h2{margin:0 0 12px;font-size:17px;font-weight:700}
.payment-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.payment-option{display:flex;align-items:center;gap:12px;min-height:72px;margin:0;padding:14px 16px;border:2px solid #dfe7ea;border-radius:10px;background:#fff;cursor:pointer;transition:border-color .18s,background .18s,box-shadow .18s}
.payment-option:hover{border-color:#9ed9e9;background:#f8fdff}
.payment-option:has(input:checked){border-color:var(--brand);background:#eefaff;box-shadow:0 0 0 3px rgba(16,169,214,.1)}
.payment-option input{width:auto;margin:0;accent-color:var(--brand)}
.payment-option span{display:flex;flex-direction:column;gap:4px;min-width:0}
.payment-option strong{font-size:16px;color:#263238}
.payment-option small{color:var(--muted);font-size:12px;font-weight:400}
.checkout-submit{min-width:180px;font-weight:700}
.payment-modal-backdrop{min-height:calc(100vh - 84px);display:flex;align-items:center;justify-content:center;padding:38px 16px;background:rgba(31,50,59,.12)}
.payment-modal{width:min(440px,100%);padding:32px;text-align:center;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 24px 70px rgba(28,52,62,.18)}
.payment-modal h1{margin:0 0 8px;text-align:center;font-size:28px}
.payment-modal-order{margin:0;color:var(--muted);font-size:13px}
.payment-modal-amount{margin:12px 0 16px;color:#e44c3c;font-size:30px;font-weight:700}
.payment-qr{width:260px;height:260px;margin:0 auto;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fff}
.payment-modal-tip{margin:16px 0;color:#39484e}
.qsk-bare,.qsk-bare main{min-height:100vh}
.qsk-bare .payment-modal-backdrop{min-height:100vh}

@media(max-width:760px){
  html,body{max-width:100%;overflow-x:hidden}
  .qsk-site-header{position:relative}
  .qsk-header-inner{min-height:64px;padding:8px 15px;gap:10px}
  .qsk-site-brand img{width:34px;height:34px;margin-right:6px}
  .qsk-brand-name{font-size:24px}
  .qsk-brand-tagline{display:none}
  .qsk-site-nav{margin:0 0 0 auto;flex:0 0 auto;gap:0;font-size:13px}
  .qsk-site-nav>a:not(.qsk-account-link){display:none}
  .qsk-site-nav a{padding:12px 0;border:0;font-weight:700;color:#666}
  .qsk-site-nav a.is-active{color:#00a9e8}
  .qsk-admin-nav{position:absolute;top:64px;left:0;right:0;padding:8px 12px;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
  .qsk-admin-nav>a:not(.qsk-account-link){display:block;padding:6px 0;color:#58686e;font-weight:600}
  .qsk-admin-nav form button{padding:6px 12px}
  body:has(.qsk-admin-nav) main{padding-top:54px}
  .qsk-site-footer{margin-top:44px}
  .qsk-footer-top{display:none}
  .qsk-footer-bottom{padding:20px 16px;font-size:12px;line-height:1.8;overflow-wrap:anywhere}
  .qsk-footer-bottom a{display:inline-block;margin:2px 4px}
  .auth-panel{margin:24px 12px;padding:28px 20px;border-radius:13px}
  .auth-heading{margin-bottom:22px}
  .auth-heading h1{font-size:27px}
  .auth-tabs{margin-bottom:22px}
  .sms-code-row{grid-template-columns:minmax(0,1fr) 116px;gap:8px}
  .sms-code-row .sms-send{padding:0 8px;font-size:13px}
  .payment-options{grid-template-columns:1fr}
  .payment-modal-backdrop{min-height:calc(100vh - 64px);padding:20px 12px}
  .payment-modal{padding:26px 18px}
  .payment-qr{width:240px;height:240px}
}