:root{--primary: #1a73e8;--primary-dark: #1557b0;--success: #188038;--warning: #e37400;--danger: #d93025;--bg: #f5f7fa;--card: #ffffff;--text: #202124;--text-secondary: #5f6368;--border: #e0e0e0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--primary);text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:0 20px}.navbar{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.navbar-inner{max-width:1080px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between}.navbar .brand{font-size:18px;font-weight:700;color:var(--primary)}.navbar .nav-links{display:flex;gap:24px;align-items:center}.navbar .nav-links a{color:var(--text);font-size:15px;font-weight:500}.navbar .nav-links a.router-active{color:var(--primary)}.cart-badge{position:relative;display:inline-flex;align-items:center}.cart-count{position:absolute;top:-8px;right:-12px;background:var(--danger);color:#fff;font-size:12px;border-radius:50%;width:18px;height:18px;display:flex;align-items:center;justify-content:center}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:24px}.product-card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:box-shadow .2s,transform .2s}.product-card:hover{box-shadow:0 4px 16px #00000014;transform:translateY(-2px)}.product-card .thumb{width:100%;aspect-ratio:1;background:#f0f0f0;display:flex;align-items:center;justify-content:center;font-size:40px;color:#b0b0b0}.product-card .thumb img{width:100%;height:100%;object-fit:cover}.product-card .info{padding:14px 16px 16px}.product-card .name{font-size:16px;font-weight:600;margin-bottom:4px}.product-card .name-en{font-size:13px;color:var(--text-secondary);margin-bottom:8px}.product-card .price{font-size:18px;font-weight:700;color:var(--danger)}.product-card .desc{font-size:13px;color:var(--text-secondary);margin:8px 0 12px;min-height:20px}.product-card .stock{font-size:12px;color:var(--text-secondary);margin-bottom:12px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:8px;border:none;cursor:pointer;font-size:14px;font-weight:500;transition:background .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{background:silver;cursor:not-allowed}.btn-success{background:var(--success);color:#fff}.btn-outline{background:#fff;color:var(--primary);border:1px solid var(--primary)}.btn-outline:hover{background:#f0f6ff}.btn-block{width:100%}.btn-sm{padding:5px 12px;font-size:13px}.table{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.table-wrap .table{min-width:560px}.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.table th{background:#fafafa;font-weight:600;color:var(--text-secondary)}.status-badge{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;min-width:58px;height:24px;padding:0 10px;border-radius:20px;font-size:12px;font-weight:500;line-height:1}.status-pending{background:#fef7e0;color:var(--warning)}.status-paid{background:#e6f4ea;color:var(--success)}.status-shipped{background:#e8f0fe;color:var(--primary)}.status-cancelled{background:#fce8e6;color:var(--danger)}.page-title{font-size:24px;font-weight:700;margin:24px 0 8px}.page-subtitle{color:var(--text-secondary);margin-bottom:16px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}.form-group input,.form-group select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}.form-group input:focus{outline:none;border-color:var(--primary)}.banner{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.banner-info{background:#e8f0fe;color:#174ea6}.banner-warning{background:#fef7e0;color:#8a5a00}.banner-success{background:#e6f4ea;color:#137333}.empty{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty .icon{font-size:48px;margin-bottom:12px}.checkout-panel{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}.checkout-panel .total{font-size:20px;font-weight:700;color:var(--danger);margin:12px 0}.checkout-layout{display:grid;grid-template-columns:1fr 360px;gap:24px;align-items:start}@media(max-width:768px){.checkout-layout{grid-template-columns:1fr;gap:16px}.checkout-panel{order:1}.checkout-cart{order:2}}.cashier{max-width:480px;margin:60px auto;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:32px;text-align:center}.cashier .amount{font-size:40px;font-weight:700;color:var(--text);margin:16px 0}.cashier .pay-methods{display:flex;gap:12px;justify-content:center;margin:24px 0}.pay-method{padding:12px 20px;border:2px solid var(--border);border-radius:8px;cursor:pointer;font-weight:500;transition:border-color .2s}.pay-method.active{border-color:var(--primary);background:#f0f6ff}@media(max-width:768px){.btn{min-height:44px;font-size:15px}.btn-sm{min-height:36px;padding:5px 14px;font-size:14px}.form-group input,.form-group select{font-size:16px;padding:12px 14px;min-height:48px}.container{padding:0 14px}.page-title{font-size:20px;margin:18px 0 6px}.page-subtitle{font-size:14px}.navbar-inner{padding:12px 14px}.navbar .brand{font-size:16px}.navbar .nav-links{gap:16px}.navbar .nav-links a{font-size:14px}.product-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}.product-card .info{padding:10px 12px 12px}.product-card .name{font-size:14px}.product-card .name-en{font-size:12px}.product-card .price{font-size:16px}.product-card .desc{font-size:12px;margin:6px 0 10px}.product-card .stock{font-size:11px;margin-bottom:10px}.checkout-panel{padding:16px}.cashier{margin:20px auto;padding:24px 20px;border-radius:12px}.cashier .amount{font-size:32px}}@media(max-width:480px){.product-grid{grid-template-columns:1fr}.product-card .thumb{aspect-ratio:16 / 9}.cashier .pay-methods{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.pay-method{padding:14px 10px;font-size:14px}}