.container_pro {
            display: flex;
            max-width-: 1200px;
            margin: 0 auto;
            padding: 0px;
            gap: 0px;
        }
        /* 产品列表左侧一二级菜单 */
        .product_left {
            width: 300px;
            background-color-: #f5f5f5;
            padding: 0px;
            border-radius: 8px;
        }		
		 * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            list-style: none;
        }

        .nav-wrapper {
			margin-top:50px;
            width: 250px;
            background: #f8f9fa;
            min-height-: 100vh;
            transition: all 0.3s;
        }
        .nav-title {
            padding: 20px;
            font-size: 18px;
            font-weight: 600;
            color: #333;
            border-bottom: 1px solid #eee;
        }
        .menu-item {
            border-bottom: 1px solid #eee;
        }

        .menu-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 20px;
            color: #333;
			font-size: 16px;
            text-decoration: none;
            transition: all 0.2s;
            position: relative;
        }
        .menu-link.active {
            background: #e3f2fd;
			font-weight:700;
            color: #000000;
        }
        .arrow {
            width: 8px;
            height: 12px;
            transition: transform 0.3s;
			
        }
        .arrow::after {
            content: '';
            display: block;
            border: solid #666;
            border-width: 0 2px 2px 0;
            padding: 3px;
            transform: rotate(45deg);
        }
        .sub-menu {
            max-height: 0;
			font-size: 13px;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-: #fff;
			border-bottom: 0px solid #cccccc;
        }
        .sub-menu a {
            display: block;
            padding: 6px 25px;
            color: #666;
            text-decoration: none;
            transition: all 0.2s;
        }

        .sub-menu a.active {
            background: #015bac;
            color: #ffffff;
            font-weight: 500;
        }

        /* 展开状态 */
        .menu-item.active .sub-menu {
            max-height: 500px;
        }

        .menu-item.active .arrow {
            transform: rotate(180deg);
        }

        .menu-item.active .arrow::after {
            border-color: #1976d2;
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                width: 100%;
            }

            .menu-item .sub-menu {
                max-height: 0 !important;
            }

            .menu-item.mobile-active .sub-menu {
                max-height: 500px !important;
            }

            .menu-item:not(.mobile-active) .arrow {
                transform: rotate(0deg);
            }
        }
		
		

        /* 产品中心右侧图片区域 */
        .product_right {
            flex: 1;
        }
		
		.grid-container {
	margin-top:50px;
	margin-bottom:50px;
    display: grid;
    grid-template-columns: repeat(4, 1fr); 
    gap: 20px;
    width: 100%;
    max-width-: 1400px; 
}

.grid-item {
    position: relative;
    overflow: hidden;
	border: 1px solid #eeeeee;
    border-radius: 5px; 
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05); 
}

.image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 0%;
}

.image-wrapper::before {
    content: "";
    display: block;
    padding-top: calc(100% / (4 / 4));
}

.image-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.image-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.3s ease;
}

.image-link:hover img {
    filter: brightness(0.7);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.image-link:hover .overlay {
    opacity: 1;
}

.overlay-text {
    color: #ffffff;
    font-size: 1rem;
    font-weight-: bold;
    text-align: center;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.caption {
    text-align: center;
    margin-top: 0px;
    font-size: 16px;
    color: #22222; 
    padding: 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.caption:hover {
    color: #ffffff; 
	background: linear-gradient(to right, #000b74, #000b74);
}

/* Media Query for Mobile */
@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}
		

        /* 响应式布局 */
        @media (max-width: 768px) {
            .container_pro {
                flex-direction: column;
            }            
            .product_left {
                width: 100%;
            }
        }
		
 /* 产品详情页轮播 */
 
        /* 轮播容器 */
        .carousel-container {
            max-width: 700px;
			background: rgba(255, 255, 255, 0.5);
            margin: 2rem auto;
            padding: 0 15px;
        }

        /* 主图区域 */
        .main-carousel {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 1/1;
        }

        .main-track {
            display: flex;
            height: 100%;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .main-slide {
            flex: 0 0 100%;
            position: relative;
        }

        .main-image {
            width: 100%;          
            object-fit: cover;
            cursor: zoom-in;
        }

        /* 主图控制按钮 */
        .main-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 0 1rem;
        }

        .nav-btn {
            background: rgba(0, 0, 0, 0.6);
            border: none;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .nav-btn:hover {
            background: rgba(0, 0, 0, 0.9);
            transform: scale(1.1);
        }

        /* 指示器 */
        .indicators {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
        }

        .indicator {
            width: 25px;
            height: 3px;
            background: #eeeeee;
            cursor: pointer;
            transition: all 0.3s;
        }

        .indicator.active {
            background: #015bac;
        }

        /* 缩略图区域 */
        .thumbnail-wrapper {
            margin-top: 1rem;
            position: relative;
        }

        .thumbnail-container {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 10px 0;
            scrollbar-width: none;
        }

        .thumbnail-container::-webkit-scrollbar {
            display: none;
        }

        .thumbnail-item {
            flex: 0 0 80px;
            height: 80px;
            cursor: pointer;
            opacity: 0.7;
            transition: all 0.3s;
            border: 1px solid #ddd;
            border-radius: 4px;
            overflow: hidden;
        }

        .thumbnail-item.active {
            opacity: 1;
            border: 1px solid #000;
        }

        .thumbnail-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 缩略图导航按钮 */
        .thumbnail-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 100%;
            display: flex;
            justify-content: space-between;
            pointer-events: none;
        }

        .thumb-btn {
            pointer-events: all;
            background: rgba(0, 0, 0, 0.6);
            border: none;
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s;
        }

        .thumb-btn:hover {
            background: rgba(0, 0, 0, 0.9);
        }

        /* 放大样式 */
        .enlarged-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.95);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            cursor: zoom-out;
        }

        .enlarged-image {
            max-width: 90%;
            max-height: 90%;
            object-fit: contain;
            animation: zoomIn 0.3s ease;
        }

        .close-btn {
            position: fixed;
            top: 2rem;
            right: 2rem;
            color: white;
            font-size: 2.5rem;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .close-btn:hover {
            transform: rotate(90deg);
        }

        @keyframes zoomIn {
            from { transform: scale(0.9); opacity: 0; }
            to { transform: scale(1); opacity: 1; }
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .main-carousel {
                aspect-ratio: 4/4;
            }
            
            .thumbnail-item {
                flex: 0 0 80px;
                height: 80px;
            }
        }
		
/* ==============================================产品详情2 */
		
        /* 基础样式重置 */
        .productv-carousel * {
            box-sizing: border-box;
            margin: 0;
            padding:0;
        }

        /* 轮播容器 */
        .productv-carousel {
			
            position: relative;
            width: 100%;
            max-width: 600px;
            margin: 0 auto;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
        }

        /* 轮播轨道 */
        .productv-track {
            display: flex;
            transition: transform 0.6s cubic-bezier(0.215, 0.61, 0.355, 1);
        }

        /* 轮播项 */
        .productv-slide {
            flex: 0 0 100%;
            aspect-ratio: 1/1; /* 1:1比例 */
            position: relative;
        }

        /* 轮播图片 */
        .productv-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border-radius: 8px;
            transition: opacity 0.5s;
        }

        /* 导航箭头 */
        .productv-prev,
        .productv-next {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .productv-prev:hover,
        .productv-next:hover {
            background: #fff;
            transform: translateY(-50%) scale(1.08);
        }

        .productv-prev {
            left: 20px;
        }

        .productv-next {
            right: 20px;
        }

        /* 箭头图标 */
        .productv-arrow {
            font-size: 24px;
            color: #333;
        }

        /* 圆点指示器 */
        .productv-dots {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;
        }

        .productv-dot {
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.3);
            cursor: pointer;
            transition: all 0.3s;
        }

        .productv-dot.active {
            background: #116bab;
            transform: scale(1.05);
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .productv-prev,
            .productv-next {
                width: 40px;
                height: 40px;
            }

            .productv-arrow {
                font-size: 20px;
            }

            .productv-dot {
                width: 10px;
                height: 10px;
            }
        }

        @media (max-width: 480px) {
            .productv-prev {
                left: 10px;
            }

            .productv-next {
                right: 10px;
            }
        }