        /* 微信主题色 */
        :root {
            --wx-primary: #07C160;
            --wx-primary-dark: #06AD56;
            --wx-text: #1A1A1A;
            --wx-text-light: #666666;
            --wx-bg: #f7f7f7;
            --wx-border: #e5e5e5;
            --wx-rating: #FF6B35;
            --wx-price: #FF4D4F;
        }
        
        /* 商品图片轮播 */
        .wx-goods-slider {
            position: relative;
            overflow: hidden;
            height: 300px;
            background-color: white;
        }
        
        .wx-goods-slider-wrapper {
            display: flex;
            transition: transform 0.3s ease;
            height: 100%;
        }
        
        .wx-goods-slider-item {
            flex: 0 0 100%;
            height: 100%;
        }
        
        .wx-goods-slider-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .wx-goods-slider-dots {
            position: absolute;
            bottom: 12px;
            left: 0;
            right: 0;
            display: flex;
            justify-content: center;
            gap: 6px;
        }
        
        .wx-goods-slider-dot {
            width: 6px;
            height: 6px;
            border-radius: 3px;
            background-color: rgba(255, 255, 255, 0.6);
            transition: all 0.3s ease;
        }
        
        .wx-goods-slider-dot.active {
            width: 16px;
            background-color: white;
        }
        
        /* 商品信息 */
        .wx-goods-info {
            background-color: white;
            padding: 16px;
            margin-bottom: 8px;
        }
        
        .wx-goods-title-container {
            margin-bottom: 12px;
            position: relative;
        }
        
        .wx-goods-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--wx-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
            padding-right: 20px;
        }
        
        .wx-goods-title.expanded {
            display: block;
            -webkit-line-clamp: unset;
            padding-right: 0;
        }
        
        .wx-title-expand {
            position: absolute;
            right: 0;
            bottom: 0;
            color: var(--wx-primary);
            font-size: 14px;
            cursor: pointer;
            background-color: white;
            padding: 0 4px;
            line-height: 1;
        }
        
        .wx-expand-arrow {
            font-size: 12px;
            transition: transform 0.2s;
        }
        
        /* 服务保障卡片 */
        .wx-service-card {
            background-color: white;
            border-radius: 8px;
            padding: 16px;
            margin-bottom: 12px;
        }
        
        .wx-service-item {
            display: flex;
            align-items: center;
            padding: 8px 0;
            gap: 12px;
        }
        
        .wx-service-item:first-child {
            padding-top: 0;
        }
        
        .wx-service-item:last-child {
            padding-bottom: 0;
        }
        
        .wx-service-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--wx-text-light);
            min-width: 40px;
        }
        
        .wx-service-desc {
            font-size: 13px;
            color: var(--wx-text);
            flex: 1;
        }
        
        .wx-service-sub {
            font-size: 11px;
            color: var(--wx-text-light);
            margin-top: 2px;
        }
        
        /* 商品评价卡片 */
        .wx-reviews-card {
            background-color: white;
            margin-bottom: 8px;
        }
        
        .wx-reviews-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            border-bottom: 1px solid var(--wx-border);
        }
        
        .wx-reviews-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--wx-text);
        }
        
        .wx-reviews-more {
            color: var(--wx-text-light);
            font-size: 14px;
        }
        
        .wx-arrow-icon {
            font-weight: 600;
        }
        
        .wx-review-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 12px 20px;
            border-bottom: 1px solid var(--wx-border);
        }
        
        .wx-review-tag {
            display: inline-block;
            padding: 4px 8px;
            background-color: #f8f9fa;
            color: var(--wx-text);
            font-size: 12px;
            border-radius: 4px;
            line-height: 1;
        }
        
        .wx-review-list {
            padding: 0 20px;
        }
        
        .wx-review-item {
            padding: 16px 0;
            border-bottom: 1px solid var(--wx-border);
        }
        
        .wx-review-item:last-child {
            border-bottom: none;
        }
        
        .wx-review-user {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
        }
        
        .wx-user-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 12px;
        }
        
        .wx-user-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .wx-user-info {
            display: flex;
            flex-direction: column;
        }
        
        .wx-user-name {
            font-size: 14px;
            color: var(--wx-text);
            margin-bottom: 4px;
        }
        
        .wx-review-time {
            font-size: 12px;
            color: var(--wx-text-light);
        }
        
        .wx-review-content {
            padding-left: 44px;
        }
        
        .wx-review-text {
            font-size: 14px;
            color: var(--wx-text);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        
        .wx-review-images {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        
        .wx-review-image-item {
            width: 60px;
            height: 60px;
            border-radius: 4px;
            overflow: hidden;
        }
        
        .wx-review-image-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .wx-review-image-more {
            width: 60px;
            height: 60px;
            border-radius: 4px;
            background-color: rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--wx-text-light);
            font-size: 12px;
        }
        
        .wx-no-review {
            padding: 40px 0;
            text-align: center;
            color: var(--wx-text-light);
            font-size: 14px;
        }
        
        .wx-service-arrow {
            color: var(--wx-text-light);
            font-size: 14px;
            font-weight: 600;
        }
        

        

        
        .wx-price-sales-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 12px;
        }
        
        .wx-goods-price {
            display: flex;
            align-items: baseline;
            gap: 8px;
        }
        
        .wx-goods-price-current {
            font-size: 24px;
            font-weight: 700;
            color: var(--wx-price);
        }
        
        .wx-goods-price-original {
            font-size: 14px;
            color: var(--wx-text-light);
            text-decoration: line-through;
        }
        

        
        .wx-goods-sales {
            font-size: 13px;
            color: var(--wx-text-light);
            text-align: right;
        }
        
        /* 商品详情 */
        .wx-goods-detail {
            background-color: white;
            padding: 16px;
            margin-bottom: 0;
        }
        
        .wx-goods-detail-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--wx-text);
            margin-bottom: 12px;
            position: relative;
            padding-left: 12px;
        }
        
        .wx-goods-detail-title:before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 18px;
            background-color: var(--wx-primary);
            border-radius: 2px;
        }
        
        .wx-goods-detail-content {
            font-size: 14px;
            line-height: 1.6;
            color: var(--wx-text);
        }
        
        /* 底部购买栏 */
        .wx-buy-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            max-width: 750px;
            margin: 0 auto;
            background-color: white;
            border-top: 1px solid var(--wx-border);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 100;
        }
        
        .wx-buy-btn {
            flex: 1;
            background-color: #FF4D4F;
            color: white;
            border: none;
            padding: 12px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s;
            height: 44px;
        }
        
        .wx-buy-btn:hover {
            background-color: #FF7875;
        }
        
        .wx-shop-btn,
        .wx-service-btn {
            width: 44px;
            height: 44px;
            background-color: white;
            border: none;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background-color 0.2s;
            gap: 2px;
        }
        
        .wx-shop-btn:hover,
        .wx-service-btn:hover {
            background-color: #f8f9fa;
        }
        
        .wx-shop-icon,
        .wx-service-icon {
            font-size: 16px;
            line-height: 1;
        }
        
        .wx-btn-text {
            font-size: 10px;
            color: var(--wx-text-light);
            line-height: 1;
        }
        
        .wx-cart-btn {
            width: 44px;
            height: 44px;
            background-color: var(--wx-bg);
            border: 1px solid var(--wx-border);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        
        .wx-cart-btn:hover {
            background-color: #e8e8e8;
        }
        
        .wx-cart-icon {
            width: 20px;
            height: 20px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23666666' d='M7 18c-1.1 0-1.99.9-1.99 2S5.9 22 7 22s2-.9 2-2-.9-2-2-2zM1 2v2h2l3.6 7.59-1.35 2.45c-.16.28-.25.61-.25.96 0 1.1.9 2 2 2h12v-2H7.42c-.14 0-.25-.11-.25-.25l.03-.12L8.1 13h7.45c.75 0 1.41-.41 1.75-1.03L21.7 4H5.21l-.94-2H1zm16 16c-1.1 0-1.99.9-1.99 2s.89 2 1.99 2 2-.9 2-2-.9-2-2-2z'%3E%3C/path%3E%3C/svg%3E");
            background-size: contain;
            background-repeat: no-repeat;
        }
        
        .wx-gift-btn {
            flex: 1;
            height: 44px;
            background-color: #FFF1F0;
            border: 1px solid #FFE7E6;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background-color 0.2s;
            gap: 2px;
        }
        
        .wx-gift-btn:hover {
            background-color: #FFE7E6;
        }
        
        .wx-gift-btn svg {
            width: 16px;
            height: 16px;
        }
        
        .wx-gift-text {
            font-size: 10px;
            color: #FF4D4F;
            line-height: 1;
        }
        
        /* 为底部购买栏腾出空间 */
        .wx-content {
            margin-bottom: 80px;
            height: auto;
            overflow-y: visible;
            padding-top: 0;
            padding-bottom: 80px;
        }
        
        /* 购买弹窗样式 */
        .wx-buy-popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: flex-end;
            z-index: 1000;
        }
        
        .wx-buy-popup {
            background-color: white;
            width: 100%;
            max-width: 750px;
            margin: 0 auto;
            border-radius: 16px 16px 0 0;
            max-height: 80vh;
            overflow-y: auto;
        }
        
        .wx-buy-popup-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            border-bottom: 1px solid var(--wx-border);
        }
        
        .wx-buy-popup-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--wx-text);
        }
        
        .wx-buy-popup-close {
            font-size: 24px;
            color: var(--wx-text-light);
            cursor: pointer;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .wx-buy-popup-content {
            padding: 20px;
        }
        
        .wx-section-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--wx-text);
            margin-bottom: 12px;
        }
        
        /* 地址部分 */
        .wx-address-section {
            margin-bottom: 20px;
        }
        
        .wx-address-info {
            background-color: var(--wx-bg);
            border-radius: 8px;
            padding: 16px;
            cursor: pointer;
        }
        
        .wx-add-address-text {
            color: var(--wx-primary);
            font-size: 14px;
        }
        
        .wx-address-user {
            font-size: 14px;
            color: var(--wx-text);
            margin-bottom: 4px;
        }
        
        .wx-address-detail {
            font-size: 13px;
            color: var(--wx-text-light);
        }
        
        /* 规格部分 */
        .wx-spec-section {
            margin-bottom: 20px;
        }
        
        .wx-spec-items {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .wx-spec-item {
            padding: 8px 12px;
            border: 1px solid var(--wx-border);
            border-radius: 6px;
            font-size: 13px;
            color: var(--wx-text);
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .wx-spec-item[data-selected="true"] {
            background-color: var(--wx-primary);
            color: white;
            border-color: var(--wx-primary);
        }
        
        /* 数量部分 */
        .wx-quantity-section {
            margin-bottom: 20px;
        }
        
        .wx-number-input {
            display: flex;
            align-items: center;
            border: 1px solid var(--wx-border);
            border-radius: 6px;
            width: fit-content;
        }
        
        .wx-minus, .wx-plus {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 18px;
            color: var(--wx-text);
            background-color: var(--wx-bg);
        }
        
        .wx-number-input input {
            width: 60px;
            height: 36px;
            border: none;
            text-align: center;
            font-size: 14px;
        }
        
        /* 底部 */
        .wx-buy-popup-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            border-top: 1px solid var(--wx-border);
            background-color: white;
        }
        
        .wx-total-price {
            font-size: 16px;
            font-weight: 600;
            color: var(--wx-price);
        }
        
        .wx-confirm-btn {
            background-color: #FF4D4F;
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        .wx-confirm-btn:hover {
            background-color: #FF7875;
        }
        
        /* 地址表单弹窗 */
        .wx-address-popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1001;
        }
        
        .wx-address-popup {
            background-color: white;
            width: 90%;
            max-width: 400px;
            border-radius: 12px;
            max-height: 80vh;
            overflow-y: auto;
        }
        
        .wx-address-popup-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            border-bottom: 1px solid var(--wx-border);
        }
        
        .wx-address-popup-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--wx-text);
        }
        
        .wx-address-popup-close {
            font-size: 24px;
            color: var(--wx-text-light);
            cursor: pointer;
        }
        
        .wx-address-popup-content {
            padding: 20px;
        }
        
        .wx-address-form {
            margin-bottom: 20px;
        }
        
        .wx-form-item {
            margin-bottom: 16px;
        }
        
        .wx-form-item label {
            display: block;
            font-size: 14px;
            color: var(--wx-text);
            margin-bottom: 8px;
        }
        
        .wx-form-item input,
        .wx-form-item textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--wx-border);
            border-radius: 6px;
            font-size: 14px;
            box-sizing: border-box;
        }
        
        .wx-form-item textarea {
            height: 80px;
            resize: none;
        }
        
        .wx-save-address-btn {
            background-color: var(--wx-primary);
            color: white;
            text-align: center;
            padding: 12px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
        }
        
        /* 地区选择器样式 */
        .wx-region-selector {
            position: relative;
            display: flex;
            align-items: center;
            border: 1px solid var(--wx-border);
            border-radius: 6px;
            background-color: white;
            cursor: pointer;
        }
        
        .wx-region-selector input {
            flex: 1;
            border: none;
            padding: 12px;
            font-size: 14px;
            background: transparent;
            cursor: pointer;
        }
        
        .wx-region-arrow {
            padding: 0 12px;
            color: var(--wx-text-light);
            font-size: 12px;
        }
        
        /* 地区选择器弹窗 */
        .wx-region-picker-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: flex-end;
            z-index: 1002;
        }
        
        .wx-region-picker {
            background-color: white;
            width: 100%;
            border-radius: 16px 16px 0 0;
            max-height: 60vh;
            overflow: hidden;
        }
        
        .wx-region-picker-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            border-bottom: 1px solid var(--wx-border);
        }
        
        .wx-region-picker-cancel,
        .wx-region-picker-confirm {
            font-size: 14px;
            color: var(--wx-primary);
            cursor: pointer;
        }
        
        .wx-region-picker-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--wx-text);
        }
        
        .wx-region-picker-content {
            height: 400px;
            overflow-y: auto;
        }
        
        .wx-region-list {
            padding: 0;
        }
        
        .wx-region-item {
            padding: 16px 20px;
            border-bottom: 1px solid var(--wx-border);
            font-size: 16px;
            color: var(--wx-text);
            cursor: pointer;
            transition: background-color 0.2s;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .wx-region-item:hover {
            background-color: var(--wx-bg);
        }
        
        .wx-region-item.selected {
            color: var(--wx-primary);
            font-weight: 600;
        }
        
        .wx-region-item .wx-region-arrow {
            color: var(--wx-text-light);
            font-size: 14px;
        }
        
        .wx-region-picker-back {
            font-size: 14px;
            color: var(--wx-primary);
            cursor: pointer;
        }
        .wx-left-btns {
            display: flex;
            gap: 4px;
            align-items: center;
            margin-left: 0;
            margin-right: 4px;
        }
        
        /* 客服联系信息样式 */
        .wx-contact-info {
            padding: 20px;
            font-size: 14px;
            line-height: 1.6;
        }
        
        .wx-contact-item {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        
        .wx-contact-item label {
            font-weight: 600;
            color: #333;
            min-width: 80px;
            margin-right: 10px;
        }
        
        .wx-contact-item span {
            color: #666;
        }