/* 分类列表卡片基础样式 */
        .categories-card {
            background: white;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            cursor: pointer;
            position: relative;
            margin-bottom: 1rem;
        }
        
        .categories-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }
        
        .categories-card:hover .categories-info {
            background-color: white;
        }
        
        .categories-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(0, 0, 0, 0.05));
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
            z-index: 1;
        }
        
        .categories-card:hover::before {
            opacity: 1;
        }
        
        /* 图片和信息区域 */
        .categories-image {
            width: 100%;
            height: 350px; /* 默认高度 - 适中的长条形商品 */
            background: white;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
            overflow: hidden;
        }
        
        .categories-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .categories-info {
            padding: 0.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            min-height: 0;
            position: relative;
            z-index: 2;
        }
        
        /* 文本样式 - 统一处理 */
        .categories-brand, .categories-colors {
            font-size: clamp(0.6rem, 2vw, 0.8rem);
            color: #a6a6a6;
            font-weight: 500;
            line-height: 1.2;
            overflow: hidden;
            white-space: nowrap;
        }
        
        .categories-title {
            font-size: clamp(0.7rem, 2.2vw, 0.9rem);
            color: #333;
            margin-bottom: 0.3rem;
            line-height: 1.3;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }
        
        .categories-price {
            font-size: clamp(0.8rem, 2.5vw, 1.1rem);
            font-weight: 700;
            color: #000;
            margin-top: auto;
            line-height: 1.2;
            overflow: hidden;
            white-space: nowrap;
        }
        
        .categories-brand {
            margin-bottom: 0.2rem;
        }
        
        .categories-colors {
            margin-top: 0.5rem;
        }
        
        
        #categories-grid {
            display: grid !important;
            grid-template-columns: repeat(var(--desktop-cols, 6), 1fr);
            gap: 0.5rem;
        }
        
        /* 响应式断点 - 长条形商品优化设计 */
        
        /* 超大屏幕 - 1600px以上 */
        @media (min-width: 1600px) {
            .categories-image { height: 400px; } /* 大屏幕适中高度 */
        }
        
        /* 大屏幕 - 1200px-1600px */
        @media (max-width: 1600px) and (min-width: 1200px) {
            .categories-image { height: 320px; } /* 大屏幕适中高度 */
        }
        
        /* 中等屏幕 - 992px-1200px */
        @media (max-width: 1200px) and (min-width: 992px) {
            #categories-grid { grid-template-columns: repeat(var(--tablet-cols, 3), 1fr); }
            .categories-image { height: 280px; } /* 中等屏幕适中高度 */
        }
        
        /* 平板屏幕 - 768px-992px */
        @media (max-width: 992px) and (min-width: 768px) {
            #categories-grid { grid-template-columns: repeat(var(--tablet-cols, 3), 1fr); }
            .categories-image { height: 240px; } /* 平板适中高度 */
        }
        
        /* 手机屏幕 - 576px-768px */
        @media (max-width: 768px) {
            #categories-grid { grid-template-columns: repeat(var(--mobile-cols, 2), 1fr); }
            .categories-info { padding: 0.4rem; }
            .categories-image { height: 200px; } /* 手机适中高度 */
        }
        
        /* 小手机屏幕 - 480px-576px */
        @media (max-width: 576px) {
            #categories-grid { grid-template-columns: repeat(var(--xs-cols, 2), 1fr); }
            .categories-image { height: 180px; } /* 小手机适中高度 */
        }
        
        /* 超小屏幕 - 480px以下 */
        @media (max-width: 480px) {
            .categories-info { padding: 0.3rem; }
            .categories-image { height: 160px; } /* 超小屏幕适中高度 */
        }
        
        /* 加载更多按钮样式 */
        .load-more-btn {
            /* 清除Bootstrap默认样式 */
            background: white !important;
            border: 1px solid #000 !important;
            color: #000 !important;
            border-radius: 0 !important;
            padding: 12px 24px !important;
            font-size: 16px !important;
            font-weight: normal !important;
            text-decoration: none !important;
            box-shadow: none !important;
            outline: none !important;
            transition: opacity 0.2s ease !important;
            cursor: pointer !important;
            display: inline-block !important;
            line-height: 1.5 !important;
            text-align: center !important;
            vertical-align: middle !important;
            user-select: none !important;
        }
        
        .load-more-btn:hover {
            opacity: 0.8 !important;
            background: white !important;
            border-color: #000 !important;
            color: #000 !important;
        }
        
        .load-more-btn:focus {
            opacity: 0.8 !important;
            background: white !important;
            border-color: #000 !important;
            color: #000 !important;
            box-shadow: none !important;
        }
        
        .load-more-btn:active {
            opacity: 0.7 !important;
            background: white !important;
            border-color: #000 !important;
            color: #000 !important;
        }
        
        .load-more-btn:disabled {
            opacity: 0.5 !important;
            cursor: not-allowed !important;
            background: white !important;
            border-color: #000 !important;
            color: #000 !important;
        }
        
        /* 加载状态下的旋转图标样式调整 */
        .load-more-btn .spinner-border-sm {
            width: 1rem !important;
            height: 1rem !important;
            border-width: 0.1em !important;
            border-color: #000 !important;
            border-right-color: transparent !important;
        }
        
        @media (max-width: 480px) {
            .categories-info { padding: 0.3rem; }
        }
        
        /* 热门分类标题响应式样式 */
        @media (max-width: 768px) {
            .categories-title-section h1 {
                font-size: 1.6rem;
            }
        }
        
        @media (max-width: 480px) {
            .categories-title-section h1 {
                font-size: 1.4rem;
            }
        }