.product_info{max-width: 1300px;margin: 123px auto;display: flex;justify-content: space-between;height: 405px;}
.product_info .info_left{display:flex;justify-content: center;flex-direction: column;width: 20%;}
.product_info .info_left li{width: 127px;height: 112px;margin-bottom: 8px;border: 1px solid #dedede;}
.product_info .info_left li img{width: 100%;}
.product_info .info_left li:hover{border: 1px solid #2281c6;}
.product_info .info_left li:last-child{margin-bottom: 0px;}
.product_info .info_left .active{border: 1px solid #2281c6;;}

.product_info .info_middle {width: 40%;}
.product_info .info_middle li img{width: 100%;height: 100%;}
.product_info .info_middle #img li{display: none;}
.product_info .info_middle #img li.show{display: block;}

.product_info .info_right{display:flex;justify-content: center;flex-direction: column;width: 40%;margin-left: 5%;}
.product_info .info_right p:nth-child(1){font-weight: bold;border-bottom: 1px solid #dcdcdc;line-height: 70px;}
.product_info .info_right p:nth-child(2){    margin: 5% 0;
    padding-bottom: 5%;font-weight: lighter;border-bottom: 1px solid #dcdcdc;}
.product_info .info_right a:nth-child(odd){width: 186px;height: 45px;display: inline-block;background: url(../images/consult.png) no-repeat;background-position: 20px center;background-color: #0973bf;text-align: center;line-height: 45px;font-size: 16px;color: white;}
.product_info .info_right a:nth-child(even){width: 186px;height: 45px;display: inline-block;background: url(../images/more_pro.png) no-repeat;background-position: 20px center;background-color: #a5a5a5;text-align: center;line-height: 45px;font-size: 16px;color: white;}

.product_info_nav{margin-top: 8%;}
.product_info_nav .tabs{text-align: center;line-height: 80px;background: #f7f7f7;}
.product_info_nav .tabs a{position: relative;line-height: 80px;display: inline-block;}
.product_info_nav .tabs a:nth-child(2){margin: 0 3%;}
.product_info_nav .tabs a:before{content: "";position: absolute;left: 0;bottom: -3px;height: 3px;width: 100%;background:#0973bf;transform: scale(0);transition: all 0.3s;}
.product_info_nav .tabs a:hover:before{transform: scale(1);}
.product_info_nav .tabs a:hover a{color: #0973BF;}
.product_info_nav .tabs .active{border-bottom: 3px solid #0973BF;color: #0973BF;}

.product_info_nav .wrap{max-width: 1200px;margin: 0 auto;}

.product_related{margin-top: 2%;}
.product_related h1{text-align: center;margin-bottom: 5%;}
.product_related .pro{max-width: 1118px;margin: 0 auto;display: flex;justify-content: space-between;flex-wrap: wrap;;text-align: center;}
.product_related .pro li{width: 23%;}
.product_related .pro li h4{line-height: 3rem;}
.product_related .pro li p{font-weight: lighter;margin:5% 0;font-size: 14px;white-space: normal;}
.product_related .pro li p:nth-child(odd){margin-bottom: 1%;}
.product_related .pro li p:nth-child(even){margin-top: 1%;}
.thumb{display: none;}
@media screen and (max-width: 768px) {
	.product_info{margin-bottom: 8%;height: 300px;}
	.product_info_nav .tabs{line-height: 40px;}
	.product_info_nav .tabs a{font-size: 12px;line-height: 40px}
	.product_info_nav .wrap p{font-size: 14px;padding: 0 2%;}
	.product_info_nav .wrap span{margin-top: 6%;font-size: 12px;line-height: 1.5rem;color: #929292;}
	.product_related h1{font-size: 20px;margin-top: 5%;}
	.product_related .pro li{width: 46%;margin: 2%;}
	.thumb{display: block;margin-top: 60px;}
	.product_info {display: block;margin-top: 0;}
	.product_info .info_middle,.product_info .info_left{display: none;}
	.product_info .info_right{width: 90%;}
	.product_info .info_right p:nth-child(2){line-height: 3rem;}
	.product_info .info_right a:nth-child(odd){width: 175px;background-position: 15px center;}
	.product_info .info_right a:nth-child(even){width: 175px;background-position: 15px center;margin-top: 5%;}
	.product_info .online{text-align: center;}
	.thumb .swiper-slide{text-align: center;}
	.product_related .pro li h4{font-size: 12px;line-height:2rem ;}
	.product_related .pro li p:nth-child(odd){font-size: 12px;}
}