.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 0;color:#999}.loading-spinner{width:32px;height:32px;border:3px solid #f0f0f0;border-top-color:#111;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:90;display:flex;align-items:center;background:#fff;border-top:1px solid #e8e8e8;padding-bottom:env(safe-area-inset-bottom,0);height:50px;box-sizing:content-box}.nav-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;border:none;background:none;padding:10px 0;cursor:pointer;font-size:14px;color:#2c5282;font-weight:500;transition:opacity .15s}.nav-btn:active{opacity:.6}.nav-icon{font-size:18px;line-height:1}.nav-label{line-height:1}.nav-divider{width:1px;height:24px;background:#e8e8e8;flex-shrink:0}.nav-icon-wrap{position:relative;display:inline-flex;align-items:center;justify-content:center}.unread-badge{position:absolute;top:-6px;right:-10px;min-width:18px;height:18px;border-radius:9px;background:#e60012;color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center;padding:0 5px;box-shadow:0 1px 3px #0000004d;z-index:10;pointer-events:none;box-sizing:border-box}.float-cart{position:fixed;right:16px;bottom:80px;z-index:90;width:44px;height:44px;border-radius:50%;background:rgba(0,0,0,.7);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #00000026;transition:transform .15s,opacity .15s}.float-cart:active{transform:scale(.92)}.float-cart-icon{font-size:22px;line-height:1}.float-cart-badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;border-radius:9px;background:#e60012;color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center;padding:0 4px;box-shadow:0 1px 3px #0003}.float-contact{position:fixed;right:16px;bottom:136px;z-index:85;display:flex;flex-direction:column;align-items:center}.float-contact-btn{width:44px;height:44px;border-radius:50%;background:rgba(0,0,0,.7);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #00000026;transition:transform .15s,background .2s;padding:0}.float-contact-btn:active{transform:scale(.92)}.float-contact-btn.active{background:#1890ff}.float-contact-btn-icon{font-size:20px;line-height:1}.float-contact-panel{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:8px;opacity:0;transform:translateY(8px) scale(.8);transform-origin:bottom center;transition:opacity .2s ease,transform .2s ease;pointer-events:none}.float-contact-panel.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.float-contact-item{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 6px #0003;transition:transform .15s,box-shadow .15s;text-decoration:none}.float-contact-item:hover{transform:scale(1.12);box-shadow:0 4px 14px #0000004d}.float-contact-item:active{transform:scale(.95)}.float-contact-item-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px}.float-contact-item-icon svg{width:24px;height:24px;display:block}.category-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:rgba(0,0,0,.5);display:flex;align-items:flex-end}.category-modal{width:100%;max-height:65vh;background:#f5f5f5;border-radius:12px 12px 0 0;display:flex;flex-direction:column;overflow:hidden}.category-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#fff;border-bottom:1px solid #f0f0f0;flex-shrink:0}.category-title{font-size:18px;font-weight:700;color:#111;margin:0}.batch-toggle-btn{border:none;background:none;font-size:14px;color:#2c5282;cursor:pointer;display:flex;align-items:center;gap:4px;padding:6px 10px;border-radius:4px}.batch-toggle-btn:active{opacity:.6}.category-header-right{display:flex;align-items:center;gap:8px}.category-close-btn{border:none;background:#f0f0f0;width:28px;height:28px;border-radius:50%;font-size:14px;line-height:1;cursor:pointer;color:#666;display:flex;align-items:center;justify-content:center;padding:0}.category-close-btn:active{background:#ddd}.category-body{flex:1;display:flex;overflow:hidden}.cat-left{width:90px;flex-shrink:0;background:#f0f0f0;overflow-y:auto;-webkit-overflow-scrolling:touch}.cat-left-item{padding:14px 8px;text-align:center;font-size:13px;color:#666;cursor:pointer;border-bottom:1px solid #e8e8e8;transition:all .1s;word-break:break-all}.cat-left-item:active{opacity:.6}.cat-left-item.active{background:#fff;color:#00b578;font-weight:700}.cat-right{flex:1;background:#fff;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:12px}.cat-breadcrumb{font-size:13px;color:#999;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid #f0f0f0}.cat-loading{text-align:center;padding:40px 0;color:#999;font-size:13px}.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.cat-grid-item{position:relative;background:#fafafa;border-radius:8px;overflow:hidden;cursor:pointer;transition:transform .1s}.cat-grid-item:active{transform:scale(.96)}.cat-grid-item.checked{outline:2px solid #00b578;outline-offset:-2px}.grid-img-wrap{width:100%;aspect-ratio:1;overflow:hidden;background:#f0f0f0}.grid-img-wrap img{width:100%;height:100%;object-fit:cover}.grid-name{padding:6px 6px 2px;font-size:12px;color:#333;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.grid-price{padding:0 6px 8px;font-size:12px;color:#e60012;font-weight:600;text-align:center}.grid-checkbox{position:absolute;top:6px;right:6px;z-index:2;width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.8);border:1.5px solid #ccc;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:transparent;transition:all .15s}.grid-checkbox.checked{background:#00b578;border-color:#00b578;color:#fff}.batch-footer{flex-shrink:0;padding:10px 16px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0));background:#fff;border-top:1px solid #f0f0f0}.batch-confirm-btn{width:100%;padding:14px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .15s;background:#ccc;color:#999}.batch-confirm-btn.active{background:#00b578;color:#fff}.batch-confirm-btn:disabled{cursor:not-allowed}.toast-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;align-items:center;justify-content:center;pointer-events:none}.toast-box{max-width:80%;padding:10px 24px;background:rgba(0,0,0,.75);color:#fff;font-size:14px;border-radius:8px;text-align:center;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.chat-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;background:rgba(0,0,0,.4);display:flex;align-items:flex-end}.chat-drawer{width:100%;height:70vh;background:#f5f5f5;border-radius:12px 12px 0 0;display:flex;flex-direction:column;overflow:hidden}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#fff;border-bottom:1px solid #f0f0f0;font-size:16px;font-weight:600}.chat-close{border:none;background:none;font-size:18px;cursor:pointer;color:#999;padding:4px}.chat-body{flex:1;overflow-y:auto;padding:16px;-webkit-overflow-scrolling:touch}.chat-loading,.chat-empty{text-align:center;color:#999;font-size:13px;padding:40px 0}.chat-msg{display:flex;margin-bottom:14px}.chat-msg.self{justify-content:flex-end}.chat-msg.other{justify-content:flex-start}.chat-bubble{max-width:75%;padding:10px 14px;border-radius:10px;font-size:14px;line-height:1.6;word-break:break-word}.chat-msg.self .chat-bubble{background:#1890ff;color:#fff;border-bottom-right-radius:4px}.chat-msg.other .chat-bubble{background:#fff;color:#333;border-bottom-left-radius:4px}.chat-bubble.product{padding:4px 6px;background:transparent}.chat-time{font-size:11px;opacity:.6;margin-top:4px}.chat-product-card{display:flex;gap:10px;align-items:center;min-width:180px;background:rgba(255,255,255,.95);border:1px solid #e8e8e8;border-radius:8px;padding:8px 10px}.chat-msg.self .chat-product-card{background:rgba(255,255,255,.15);border-color:#ffffff4d}.chat-product-img{width:44px;height:44px;border-radius:6px;object-fit:cover;flex-shrink:0}.chat-product-info{flex:1;min-width:0}.chat-product-name{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}.chat-msg.self .chat-product-name{color:#fff}.chat-msg.other .chat-product-name{color:#333}.chat-product-price{font-size:14px;font-weight:700;margin-top:2px}.chat-msg.self .chat-product-price{color:#fff}.chat-msg.other .chat-product-price{color:#e60012}.consult-card-overlay{flex-shrink:0;padding:8px 12px;background:linear-gradient(180deg,#f0f8ff 0%,#fff 100%);border-bottom:1px solid #bae7ff}.consult-card{background:#fff;border:1px solid #91d5ff;border-radius:8px;padding:8px 10px}.consult-card-inner{display:flex;gap:10px;align-items:center}.consult-card-img{width:48px;height:48px;border-radius:6px;object-fit:cover;flex-shrink:0}.consult-card-info{flex:1;min-width:0}.consult-card-title{font-size:11px;color:#999;margin-bottom:2px}.consult-card-desc{font-size:13px;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.consult-card-actions{display:flex;flex-direction:column;gap:6px;align-items:center;flex-shrink:0}.consult-card-close{border:none;background:none;font-size:14px;color:#ccc;cursor:pointer;padding:2px}.consult-card-send{border:none;background:#1890ff;color:#fff;padding:4px 14px;border-radius:4px;font-size:12px;cursor:pointer}.consult-card-send:active{opacity:.8}.chat-footer{display:flex;align-items:center;gap:8px;padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0));background:#fff;border-top:1px solid #f0f0f0}.chat-img-btn{border:none;background:#f0f0f0;cursor:pointer;width:34px;height:34px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#666;transition:background .15s}.chat-img-btn:hover{background:#e0e0e0}.chat-img-btn:active{background:#d0d0d0}.chat-input{flex:1;padding:8px 12px;border:1px solid #ddd;border-radius:20px;font-size:14px;outline:none;resize:none;max-height:200px;line-height:1.5;font-family:inherit;overflow-y:auto}.chat-send-btn{border:none;background:#1890ff;color:#fff;padding:8px 18px;border-radius:20px;font-size:14px;cursor:pointer;flex-shrink:0}*{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;font-size:14px;color:#333;background:#f5f5f5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}button{font-family:inherit}