.explain1{float: left; width: 100%;}
.back1{background:url(images/explain_back.png) top center; background-color: #024444;}
.back2{background:url(images/explain_back.png) top center; background-color: #024444;}
.back3{background:url(images/explain_back.png) top center; background-color: #024444;}

.explain1 .line-top{float: left; width: 100%; height: 18px; background:url(images/explain_line_bottom.png);}
.explain1 .line-bottom{float: left; width: 100%; height: 14px; background:url(images/explain_line_bottom.png); background-color: #024444;}

/* 产品详情页 */

.explain1 .box2{float: left; width: 100%;}
.explain1 .box2 .menu{float: left; width: 100%; margin: 50px 0px 10px 0px; display: flex; justify-content: center;}
.explain1 .box2 .menu .sub{float: left;}
.explain1 .box2 .menu .sub .text{float: left; margin: 0px 8px 0px 8px; display:inline-block; padding: 4px 16px 4px 16px; text-align: center;}
.m-back1{border: 1px solid #777; background: #111; color: #fff; transition: all ease 0.5s;}
.m-back2{border: 1px solid #fff; background: #fff; color: #000;}
.m-back1:hover{border: 1px solid #fff; background: #fff; color: #000;}
.m-back2:hover{border: 1px solid #777; background: #111; color: #fff;}

.explain1 .box2 .title{float: left; width: 100%; padding: 20px 0px 20px 0px; line-height: 80px; text-align: center; font-size: 40px; font-weight:bold; font-family: '宋体'; color: #fff; text-shadow: 3px 3px 8px rgb(0, 0, 0, 1.0);}
.explain1 .box2 .show{float: left; width: 100%; margin: 2px 0px 50px 0px;}
.explain1 .box2 .show .content{width: 812px; margin: auto;}
.explain1 .box2 .show .content .c-top{float: left; width: 784px; margin: 0px 14px 0px 14px; height: 20px; background:url(images/text_line_top.png);}
.explain1 .box2 .show .content .c-center{float: left; width: 100%; display: flex;}
.explain1 .box2 .show .content .c-center .c-left{float: left; width: 20px; background:url(images/text_line_left.png);}
.explain1 .box2 .show .content .c-center .c-text{display: flex; float: left; width: 772px; min-height: 600px; background: #fff;}
.explain1 .box2 .show .content .c-center .c-text .text{float: left; width: calc(100% - 24px); margin: 12px 12px 12px 12px;}
.explain1 .box2 .show .content .c-center .c-text .text table p{float: left; width: 100%; line-height: 34px; font-size: 16px; color: #000;}
.explain1 .box2 .show .content .c-center .c-text .text img{max-width: 100%; height:auto; display:block;}
.explain1 .box2 .show .content .c-center .c-text .text p{line-height: 0px;}
.explain1 .box2 .show .content .c-center .c-right{float: left; width: 20px; background:url(images/text_line_right.png);}
.explain1 .box2 .show .content .c-center .c-left .c-right {
    /* 初始内容，高度不同 */
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.explain1 .box2 .show .content .c-bottom{float: left; width: 784px; margin: 0px 14px 0px 14px; height: 20px; background:url(images/text_line_bottom.png);}


/* 新闻详情页 */

.explain1 .box3{float: left; width: 100%;}
.explain1 .box3 .menu{float: left; width: 100%; margin: 50px 0px 10px 0px; display: flex; justify-content: center;}
.explain1 .box3 .menu .sub{float: left;}
.explain1 .box3 .menu .sub .text{float: left; margin: 0px 8px 0px 8px; display:inline-block; padding: 4px 16px 4px 16px; text-align: center;}
.m-back1{border: 1px solid #777; background: #111; color: #fff; transition: all ease 0.5s;}
.m-back2{border: 1px solid #fff; background: #fff; color: #000;}
.m-back1:hover{border: 1px solid #fff; background: #fff; color: #000;}
.m-back2:hover{border: 1px solid #777; background: #111; color: #fff;}

.explain1 .box3 .title{float: left; width: 100%; padding: 20px 0px 20px 0px; line-height: 80px; text-align: center; font-size: 40px; font-weight:bold; font-family: '宋体'; color: #fff; text-shadow: 3px 3px 8px rgb(0, 0, 0, 1.0);}
.explain1 .box3 .show{float: left; width: 100%; margin: 2px 0px 50px 0px;}
.explain1 .box3 .show .content{width: 1560px; margin: auto;}
.explain1 .box3 .show .content .c-top{float: left; width: 1532px; margin: 0px 14px 0px 14px; height: 20px; background:url(images/text_line_top.png);}
.explain1 .box3 .show .content .c-center{float: left; width: 100%; display: flex;}
.explain1 .box3 .show .content .c-center .c-left{float: left; width: 20px; background:url(mages/text_line_left.png);}
.explain1 .box3 .show .content .c-center .c-text{display: flex; float: left; width: 1520px; min-height: 600px; background: #fff;}
.explain1 .box3 .show .content .c-center .c-text .text{float: left; width: calc(100% - 120px); margin: 55px 60px 55px 60px; font-size: 15px;}
.explain1 .box3 .show .content .c-center .c-text .text img{max-width: 100%; height:auto; display:block;}

.explain1 .box3 .show .content .c-center .c-text .text p{float: left; width: 100%; line-height: 34px; font-size: 16px; color: #000;}
.explain1 .box3 .show .content .c-center .c-right{float: left; width: 20px; background:url(images/text_line_right.png);}
.explain1 .box3 .show .content .c-center .c-left .c-right {
    /* 初始内容，高度不同 */
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.explain1 .box3 .show .content .c-bottom{float: left; width: 1532px; margin: 0px 14px 0px 14px; height: 20px; background:url(images/text_line_bottom.png);}

@media screen and (max-width: 1600px){
	.explain1 .box3 .show .content{width: 1260px;}
	.explain1 .box3 .show .content .c-top{width: 1232px;}
	.explain1 .box3 .show .content .c-center .c-text{width: 1220px;}
	.explain1 .box3 .show .content .c-center .c-text .text{width: calc(100% - 100px); margin: 45px 50px 45px 50px; font-size: 14px;}
	.explain1 .box3 .show .content .c-bottom{width: 1232px;}
	
}