:root{--bg-color: #0f172a;--card-bg: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-gold: #fbbf24;--accent-red: #ef4444;--border-color: #334155;--modal-bg: #ffffff;--modal-text: #0f172a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;padding-bottom:80px;overflow-x:hidden;width:100%}html{overflow-x:hidden;width:100%}.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}header{background-color:var(--card-bg);padding:1rem 0;box-shadow:0 4px 6px -1px #0000004d;position:sticky;top:0;z-index:100;width:100%}.header-content{display:flex;justify-content:space-between;align-items:center}header h1{color:var(--accent-gold);font-size:1.5rem}.shop-location{background:#1e293b;color:#cbd5e1;padding:12px 15px;font-size:.9rem;display:flex;align-items:center;gap:15px;cursor:pointer;border-bottom:1px solid #334155;overflow:hidden;position:relative;width:100%;max-width:100%;box-sizing:border-box}.shop-location:active{background:#334155}.marquee-wrapper{flex:1;overflow:hidden;white-space:nowrap;-webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);min-width:0}.marquee-content{display:inline-block;white-space:nowrap;animation:scroll-left 20s linear infinite}@keyframes scroll-left{0%{transform:translate(0)}to{transform:translate(-50%)}}.controls{margin:2rem 0;display:flex;flex-direction:column;gap:1rem}@media (min-width: 768px){.controls{flex-direction:row;align-items:center;justify-content:space-between}}.search-box{position:relative;flex:1;max-width:400px}.search-box i{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-secondary)}.search-box input{width:100%;padding:10px 10px 10px 35px;background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1rem}.filters{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;width:100%;overflow:hidden}.sort-chips{display:flex;gap:10px;overflow-x:auto;padding:5px 2px;width:100%;-webkit-overflow-scrolling:touch;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 90%,transparent);mask-image:linear-gradient(90deg,#000 90%,transparent)}.sort-chips::-webkit-scrollbar{display:none}.sort-chip{padding:6px 14px;border-radius:20px;background:#334155;color:#cbd5e1;border:1px solid transparent;font-size:.85rem;white-space:nowrap;cursor:pointer;transition:all .2s;flex-shrink:0;-webkit-tap-highlight-color:transparent}.sort-chip:hover{background:#475569}.sort-chip.active{background:var(--accent-gold);color:#0f172a;font-weight:700;border-color:var(--accent-gold);box-shadow:0 2px 4px #fbbf2433}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding-bottom:2rem;width:100%}@media (min-width: 640px){.product-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:2rem}}.product-card{background-color:var(--card-bg);border-radius:8px;overflow:hidden;border:1px solid var(--border-color);transition:transform .2s;display:flex;flex-direction:column}.product-card:hover{transform:translateY(-5px);box-shadow:0 10px 15px -3px #0000004d}.card-img-wrapper{position:relative;height:0;padding-bottom:100%;background-color:#fff;overflow:hidden}.card-img-wrapper img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain;cursor:zoom-in}.qr-icon{position:absolute;top:5px;right:5px;background:#0009;padding:8px;border-radius:4px;cursor:pointer;color:#fff;z-index:10}.card-body{padding:10px;flex:1;display:flex;flex-direction:column}.card-title{font-size:1rem;margin-bottom:.5rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.card-stats{display:flex;gap:.5rem;font-size:.75rem;color:var(--text-secondary);margin-bottom:.5rem;margin-top:auto}.card-footer{display:flex;flex-direction:column;gap:5px;margin-top:.5rem}@media (min-width: 640px){.card-body{padding:1.5rem}.card-title{font-size:1.2rem}.card-footer{flex-direction:row;justify-content:space-between;align-items:center}}.price{font-size:1.1rem;font-weight:700;color:var(--accent-red)}.btn{padding:8px 12px;border-radius:6px;border:none;cursor:pointer;font-weight:700;transition:opacity .2s;font-size:.9rem}.btn:hover{opacity:.9}.btn:disabled{opacity:.6;cursor:not-allowed;background-color:#94a3b8!important}.btn-primary{background-color:var(--accent-red);color:#fff}.btn-outline{background-color:transparent;border:1px solid var(--accent-red);color:var(--accent-red)}.btn-success{background-color:#10b981;color:#fff}.cart-sidebar{position:fixed;right:0;top:0;bottom:0;width:85%;max-width:350px;background-color:#1e293b;border-left:1px solid var(--border-color);box-shadow:-5px 0 15px #00000080;display:flex;flex-direction:column;z-index:200;transform:translate(100%);transition:transform .3s ease-in-out}.cart-sidebar.open{transform:translate(0)}@media (min-width: 1200px){.cart-sidebar{width:350px;transform:translate(0);box-shadow:none;border-left:1px solid var(--border-color)}body{padding-right:350px}}.cart-header{padding:1.5rem;background-color:#0f172a;display:flex;justify-content:space-between;align-items:center}.close-btn{background:transparent;border:none;color:var(--text-secondary);font-size:1.2rem;cursor:pointer}@media (min-width: 1200px){.close-btn{display:none}}.badge{background-color:var(--accent-gold);color:#000;padding:2px 8px;border-radius:10px;font-size:.8rem;font-weight:700}.cart-items{flex:1;overflow-y:auto;padding:1rem}.cart-item{background-color:#1e293b;padding:12px;margin-bottom:12px;border-radius:12px;display:flex;gap:12px;border:1px solid #334155;transition:all .2s}.cart-item:hover{border-color:var(--accent-gold)}.cart-item-img{width:60px;height:60px;border-radius:8px;overflow:hidden;flex-shrink:0;background:#fff}.cart-item-img img{width:100%;height:100%;object-fit:contain}.cart-item-details{flex:1;display:flex;flex-direction:column;justify-content:space-between}.cart-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:4px}.cart-item-header h4{font-size:.95rem;color:var(--text-primary);margin:0;line-height:1.2}.cart-item-price{font-size:.85rem;color:var(--text-secondary);margin-top:2px}.cart-item-controls{display:flex;align-items:center;gap:10px;align-self:flex-end}.qty-btn{width:24px;height:24px;border-radius:50%;border:none;background-color:#334155;color:#fff;font-size:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}.qty-btn:hover{background-color:var(--accent-gold);color:#000}.qty-display{font-weight:700;min-width:20px;text-align:center;font-size:.9rem}.cart-footer{padding:1.5rem;background-color:#0f172a;border-top:1px solid var(--border-color)}.cart-total{display:flex;justify-content:space-between;margin-bottom:1rem;font-size:1.2rem;font-weight:700}.cart-actions{display:flex;gap:1rem}.cart-actions button{flex:1}.cart-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:150;display:none}.cart-sidebar.open~.cart-overlay,.cart-overlay.open{display:block}@media (min-width: 1200px){.cart-overlay{display:none!important}}.cart-fab{position:fixed;bottom:20px;right:20px;width:60px;height:60px;background-color:var(--accent-red);border-radius:50%;display:flex;justify-content:center;align-items:center;color:#fff;font-size:24px;box-shadow:0 4px 10px #0000004d;cursor:pointer;z-index:100;transition:transform .2s}.cart-fab:active{transform:scale(.95)}.cart-fab .badge{position:absolute;top:-5px;right:-5px;font-size:.75rem;padding:4px 8px}@media (min-width: 1200px){.cart-fab{display:none}}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:#000c;overflow:auto}.modal-content{background-color:var(--modal-bg);color:var(--modal-text);margin:5% auto;padding:2rem;width:90%;max-width:600px;border-radius:8px;position:relative}.close-modal{position:absolute;right:20px;top:15px;font-size:28px;font-weight:700;cursor:pointer;color:#aaa}.order-sheet{background:#fff;padding:30px;margin-bottom:20px;border:1px solid #e2e8f0;box-shadow:0 4px 6px -1px #0000001a;font-family:Helvetica Neue,Arial,sans-serif;color:#1e293b;position:relative}.order-sheet:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:repeating-linear-gradient(45deg,#ef4444,#ef4444 10px,#fff 10px,#fff 20px,#3b82f6 20px,#3b82f6 30px,#fff 30px,#fff 40px)}.sheet-header{text-align:center;margin-bottom:2rem;border-bottom:2px solid #0f172a;padding-bottom:1.5rem}.sheet-title h2{font-size:1.8rem;margin-bottom:.5rem;color:#0f172a;letter-spacing:2px}.sheet-title p{font-size:.9rem;color:#64748b;margin:2px 0}.order-table{width:100%;border-collapse:collapse;margin-bottom:2rem}.order-table th{background-color:#f8fafc;color:#475569;font-weight:600;text-transform:uppercase;font-size:.85rem;padding:12px;border-bottom:2px solid #e2e8f0}.order-table td{padding:12px;border-bottom:1px solid #e2e8f0;font-size:.95rem}.order-table tr:last-child td{border-bottom:none}.order-table th:nth-child(2),.order-table td:nth-child(2),.order-table th:nth-child(4),.order-table td:nth-child(4){text-align:right}.order-table th:nth-child(3),.order-table td:nth-child(3){text-align:center}.order-table tfoot td{padding-top:1.5rem;border-top:2px solid #0f172a;font-size:1.1rem}.total-price{font-size:1.5rem;font-weight:800;color:#ef4444}.sheet-footer{text-align:center;margin-top:2rem;font-size:.85rem;color:#94a3b8;font-style:italic}.qr-content{text-align:center;max-width:400px}#qr-large-img{width:100%;max-width:18rem;height:auto;aspect-ratio:1 / 1;object-fit:contain;margin-bottom:1rem;background-color:#fff;padding:10px;border-radius:8px}#preview-large-img{max-width:100%;max-height:80vh;display:block;margin:0 auto}.loading{text-align:center;grid-column:1 / -1;padding:2rem;color:var(--text-secondary)}.empty-cart{text-align:center;color:var(--text-secondary);padding:2rem 0}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:#334155;background-image:linear-gradient(90deg,#334155,#475569,#334155 80px);background-size:200% 100%;animation:shimmer 1.5s infinite linear;border-radius:4px;position:relative;overflow:hidden}.skeleton-text{height:1rem;margin-bottom:.5rem;width:80%}.skeleton-img{width:100%;height:100%;position:absolute;top:0;left:0}