.sf{--sf-bg:#f4f9fd;--sf-surface:#ffffff;--sf-ink:#0f1e2e;--sf-muted:#64748b;--sf-border:#e5e8ec;--sf-brand:#087acb;--sf-brand-ink:#075b9e;--sf-accent:#18a1fd;--sf-ok:#18764b;--sf-radius:14px;background:var(--sf-bg);color:var(--sf-ink);min-height:100vh;font-family:var(--font-geist-sans),system-ui,sans-serif}.sf a{color:inherit;text-decoration:none}.sf *,.sf :after,.sf :before{box-sizing:border-box}.sf-header{position:sticky;top:0;z-index:20;background:var(--sf-surface);border-bottom:1px solid var(--sf-border);box-shadow:0 2px 14px rgba(15,30,46,.05)}.sf-header-in{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:16px;padding:12px 20px}.sf-logo{display:inline-flex;align-items:center;gap:8px;flex:none}.sf-logo-img{width:30px;height:30px;object-fit:contain}.sf-logo-text{font-weight:800;font-size:19px;color:var(--sf-brand-ink);letter-spacing:-.5px;white-space:nowrap}.sf-logo-text b{color:var(--sf-brand);font-weight:800}.sf-search{flex:1;display:flex;min-width:0}.sf-search input{flex:1;min-width:0;height:42px;border:1.5px solid var(--sf-border);border-inline-end:0;border-start-start-radius:10px;border-end-start-radius:10px;padding:0 14px;font-size:15px;outline:none;background:#fff;color:var(--sf-ink)}.sf-search input:focus{border-color:var(--sf-brand)}.sf-search button{height:42px;padding:0 18px;border:0;border-start-end-radius:10px;border-end-end-radius:10px;background:var(--sf-brand);color:#fff;font-weight:600;cursor:pointer}.sf-cart{position:relative;display:inline-flex;align-items:center;gap:6px;font-weight:600;padding:8px 12px}.sf-cart-badge{background:var(--sf-accent);color:#fff;border-radius:999px;font-size:12px;min-width:18px;height:18px;display:inline-grid;place-items:center;padding:0 5px}.sf-main{max-width:1200px;margin:0 auto;padding:20px}.sf-row{display:flex;gap:20px;align-items:flex-start}.sf-side{width:240px;flex:none}.sf-panel{background:var(--sf-surface);border:1px solid var(--sf-border);border-radius:var(--sf-radius);padding:16px}.sf-panel h3{margin:0 0 10px;font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--sf-muted)}.sf-field{display:block;margin-bottom:12px}.sf-field label{display:block;font-size:13px;color:var(--sf-muted);margin-bottom:4px}.sf-field input,.sf-field select,.sf-field textarea{width:100%;height:40px;border:1.5px solid var(--sf-border);border-radius:9px;padding:0 10px;font-size:14px;background:#fff;color:var(--sf-ink);outline:none}.sf-field textarea{height:auto;padding:8px 10px}.sf-field input:focus,.sf-field select:focus,.sf-field textarea:focus{border-color:var(--sf-brand)}.sf-grid{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.sf-card{background:var(--sf-surface);border:1px solid var(--sf-border);border-radius:var(--sf-radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s}.sf-card:hover{box-shadow:0 8px 24px rgba(15,30,46,.1);transform:translateY(-2px)}.sf-thumb{aspect-ratio:1/1;background:linear-gradient(135deg,#eef2f7,#dde5ee);display:grid;place-items:center;color:#9fb0c3;font-size:34px}.sf-thumb img{width:100%;height:100%;object-fit:cover}.sf-card-body{padding:10px 12px 14px;display:flex;flex-direction:column;gap:6px}.sf-card-title{font-size:14px;line-height:1.35;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:38px}.sf-money,.sf-price,.sf-strike{direction:ltr;unicode-bidi:isolate}.sf-price{font-size:18px;font-weight:800;color:var(--sf-accent)}.sf-strike{text-decoration:line-through;font-size:13px;font-weight:500;margin-inline-start:6px;display:inline-block}.sf-shop,.sf-strike{color:var(--sf-muted)}.sf-shop{font-size:12px}.sf-shop-link{text-decoration:none}.sf-shop-link:hover{text-decoration:underline;color:var(--sf-brand-ink)}.sf-badge{display:inline-block;font-size:11px;padding:2px 7px;border-radius:999px;background:#eef4ff;color:var(--sf-brand-ink);font-weight:600}.sf-shop-header{display:flex;align-items:center;gap:16px;margin-bottom:20px}.sf-shop-info{flex:1;min-width:0}.sf-shop-avatar{width:64px;height:64px;flex:none;border-radius:50%;overflow:hidden;background:linear-gradient(135deg,#eef2f7,#dde5ee);display:grid;place-items:center;color:#9fb0c3;font-size:26px;font-weight:800}.sf-shop-avatar img{width:100%;height:100%;object-fit:cover}.sf-shop-rating{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--sf-muted);margin-top:2px}.sf-shop-desc{color:var(--sf-muted);font-size:14px;margin:8px 0 0;max-width:640px}.sf .sf-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border:0;border-radius:11px;background:var(--sf-brand);color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:background .15s ease,transform .15s ease,box-shadow .15s ease}.sf .sf-btn:hover{background:var(--sf-brand-ink);transform:translateY(-1px);box-shadow:0 6px 16px rgba(8,122,203,.25)}.sf .sf-btn:active{transform:translateY(0)}.sf .sf-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.sf .sf-btn-accent{background:var(--sf-accent)}.sf .sf-btn-accent:hover{background:var(--sf-brand-ink);box-shadow:0 6px 16px rgba(24,161,253,.3)}.sf .sf-btn-ghost{background:#fff;color:var(--sf-ink);border:1.5px solid var(--sf-border)}.sf .sf-btn-ghost:hover{background:#f8fafc;box-shadow:none}.sf-btn-block{width:100%}.sf-detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}.sf-detail .sf-thumb{aspect-ratio:4/3;border-radius:var(--sf-radius);font-size:64px}.sf-h1{font-size:24px;font-weight:700;margin:0 0 8px;line-height:1.25}.sf-chips{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 14px}.sf-chip{font-size:12px;padding:4px 10px;border-radius:999px;background:#eef2f7;color:var(--sf-muted);cursor:pointer;border:1px solid transparent}.sf-chip.on{background:var(--sf-brand);color:#fff}.sf-qty{display:inline-flex;align-items:center;border:1.5px solid var(--sf-border);border-radius:10px;overflow:hidden}.sf-qty button{width:38px;height:40px;border:0;background:#fff;font-size:18px;cursor:pointer;color:var(--sf-ink)}.sf-qty span{min-width:40px;text-align:center;font-weight:600}.sf-line{display:flex;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--sf-border)}.sf-line:last-child{border-bottom:0;padding-bottom:2px}.sf-line:first-child{padding-top:2px}.sf-line .sf-thumb{width:64px;height:64px;aspect-ratio:1;border-radius:8px;font-size:22px;flex:none}.sf-summary{display:flex;justify-content:space-between;padding:6px 0;font-size:15px}.sf-summary.total{font-size:18px;font-weight:800;border-top:1px solid var(--sf-border);margin-top:8px;padding-top:12px}.sf-cat-list{display:flex;flex-direction:column;gap:2px;max-height:360px;overflow-y:auto}.sf-cat{text-align:start;border:0;background:transparent;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--sf-ink);cursor:pointer}.sf-cat:hover{background:#f1f5f9}.sf-cat.on{background:var(--sf-brand);color:#fff;font-weight:600}.sf-empty,.sf-muted{color:var(--sf-muted)}.sf-empty{text-align:center;padding:60px 20px}.sf-alert{background:#fff2f0;border:1px solid #f6c9c2;color:#b42318;border-radius:10px;margin-bottom:12px}.sf-alert,.sf-note{padding:10px 14px;font-size:14px}.sf-note{background:#eef7f2;border:1px solid #b9e0cd;color:var(--sf-ok);border-radius:10px}.sf-status{display:inline-block;padding:4px 12px;border-radius:999px;font-weight:600;font-size:13px;background:#eef2f7;color:var(--sf-ink)}.sf-steps{display:flex;gap:8px;margin:16px 0}.sf-step{flex:1;text-align:center;font-size:12px;color:var(--sf-muted);padding-top:22px;position:relative}.sf-step:before{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:12px;height:12px;border-radius:50%;background:#cbd5e1}.sf-step.done:before{background:var(--sf-ok)}.sf-step.done{color:var(--sf-ink);font-weight:600}@media (max-width:820px){.sf-row{flex-direction:column}.sf-side{width:100%}.sf-detail{grid-template-columns:1fr}}@media (max-width:640px){.sf-main{padding:12px}.sf-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.sf-steps{gap:2px}.sf-step{font-size:10.5px;padding-top:20px}}@media (max-width:480px){.sf-header-in{gap:8px;padding:10px 12px}.sf-cart-label,.sf-logo-text{display:none}.sf-cart{padding:8px 6px;gap:0}.sf-search input{font-size:14px;padding:0 10px}.sf-search button{padding:0 12px}}