.product-nav{ margin: 20px 0; display: flex;}
.product-nav a{margin: 0 10px 10px 0; min-width: 140px; padding:0 20px; height: 50px; line-height: 50px; display: block; font-size: 16px;text-align: center;border-radius: 5px;}
.product-nav .info{background-color: #ffffff; border: solid 1px #f0f0f0;color: #000;}
.product-nav .active{background-color: #262E58; border: solid 1px #fff;color: #fff;}
.product-nav a:hover{background-color: #D75438; color: #fff; text-decoration: none;}

.product-title{width:100%;text-align: center;overflow: hidden;}
.product-title span{display: block; font-size: 36px; font-weight:bold; margin:40px 0;}

.product-list{display: flex; justify-content: start; flex-wrap: wrap;}
.product-list .product-item{width:380px; margin:0 20px 20px 0;}
.product-list .product-item a{text-decoration: none;}
.product-list .product-item .pic{overflow: hidden;}
.product-list .product-item .pic img{width: 380px; height: 280px;animation-name: img-toSmall; animation-duration: 500ms;}
.product-list .product-item .info{ width: 100%; color:#262E58; text-align: center; line-height: 60px; transition: 0.5s; box-sizing: border-box;}
.product-list .product-item:hover .pic img{transform: scale(1.1); animation-name: img-toBig; animation-duration: 500ms;}
.product-list .product-item:hover .info{background: #262E58; color: #fff;}


.show-box {display: flex;align-items: center; justify-content: space-between; border-radius:10px; overflow:hidden;}
.show-box .picture { width: 600px; height: 400px;}
.show-box .picture img { width: 600px; height: 400px;}
.show-box .info { flex: 1; height: 400px; box-sizing: border-box;  padding: 40px; display: flex; flex-direction: column; justify-content: space-between;background-color: #f9f9f9;}
.show-box .info .top{ font-size: 24px; }
.show-box .info .intro { font-size: 16px; lighting-color: 32px; color: #808080; text-align: justify; }
.show-detail{  flex: 1;   padding:30px; }
.show-detail .title { font-size: 20px; padding-bottom: 20px; border-bottom: 1px solid #ccc; }
.show-detail .body { padding-top: 30px; font-size: 16px; color: #666; line-height: 36px; text-align: justify;}