.div_box{position: relative;width: 400px;}
.div_box img{display:block; width:100%; height:100%;}
.div_box .big_Img{ width:100%; height: 400px;border:1px solid #e5e4e4;overflow: hidden;z-index: 10;}
.div_box .small_Img{ margin-top:5px; width:100%; overflow: hidden; display:flex;}
.div_box .small_Img div{width: calc(16.666% - 5px);height: 60px;border: 1px solid #e5e4e4;cursor: pointer;margin-right:6px;align-items: center;}
.div_box .small_Img div:last-child{ margin-right:0;}
.div_box .small_Img div.active{border:#fe3737 solid 1px;}

.text_param{ margin-top:10px;}
.text_param div{ margin-top:10px;height: 35px; line-height:33px; padding:0 20px; font-size: 12px;border: 2px solid #e5e4e4;cursor: pointer;margin-right: 8px;display: inline-block;}
.text_param div.active{border:#fe3737 solid 2px;}

@media screen and (max-width:640px) {
	.div_box{width: 100%;}
	.div_box .big_Img,
	.div_box .small_Img{ height: auto;}
	.div_box .small_Img{ width: 100%; margin-bottom:30px; border-bottom: 1px solid #e5e4e4; padding-bottom:20px;}
	.text_param div{font-size: 0.8rem}
}