.banner-carousel {
            position: relative;
            overflow: hidden;
            margin: 0 auto;
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        .banner-carousel img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: opacity 0.5s ease-in-out;
        }
        
        .banner-item {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.5s ease-in-out;
        }
        
        .banner-item.active {
            opacity: 1;
        }
        
        .banner-item:first-child {
            position: relative;
        }
        
        /* 移动端样式 */
        .mobile-banner {
            display: block;
            width: 350px;
            height: 50px;
        }
        
        /* 桌面端样式 */
        .desktop-banner {
            display: none;
            width: 700px;
            height: 100px;
        }
        
        /* 响应式 */
        @media (min-width: 1024px) {
            .mobile-banner {
                display: none;
            }
            .desktop-banner {
                display: block;
            }
        }
        
        /* 轮播指示器 */
        .carousel-indicators {
            position: absolute;
            bottom: 8px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 6px;
            z-index: 10;
        }
        
        .indicator {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        
        .indicator:hover {
            background: rgba(255, 255, 255, 0.7);
            transform: scale(1.2);
        }
        
        .indicator.active {
            background: rgba(255, 255, 255, 0.9);
            transform: scale(1.1);
        }
        
        /* 左右切换按钮 */
        .carousel-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0, 0, 0, 0.5);
            color: white;
            border: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            z-index: 10;
            opacity: 0;
        }
        
        .banner-carousel:hover .carousel-nav {
            opacity: 1;
        }
        
        .carousel-nav:hover {
            background: rgba(0, 0, 0, 0.7);
            transform: translateY(-50%) scale(1.1);
        }
        
        .carousel-prev {
            left: 10px;
        }
        
        .carousel-next {
            right: 10px;
        }
        
        /* 加载状态 */
        .banner-loading {
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f5f5f5;
            color: #666;
        }