.jianjie1{ width:100%; float:left; position:relative; z-index:1; }
.jianjie1:after{ width:50%;background-color:#F3F3F3; position:absolute; height:100%; overflow:hidden; left:0px; top:0px; z-index:-1; content:"";}
.jianjie1left{
    width: 50%; position:absolute; height:100%; overflow:hidden; left:0px; top:0px;
}
.jianjie1left img{ display:block; width:100%;}
.jianjie1right{ width:40%;
        color: #282828;
    text-align: right; padding-top:130px; margin-left:48%;box-sizing:content-box; box-sizing:border-box;
}
.jianjie1rightp1{
     font-weight: bold; line-height:1.5;
}
.jianjie1rightp3{
    font-size: 116px;
      line-height:1.5;
    font-weight: bold;
    color: #F2F2F2;
    text-transform: uppercase; 
}
.jianjie1rightp3 i{
    font-style: italic;
}
.jianjie1rightp4{
    width: 100%;box-sizing:content-box; box-sizing:border-box;
    padding: 30px 55px 60px 30px;
    background-color: #fff;
    text-align: left;
    margin-left: -150px;
    line-height: 2.2;
}
#jianjie2{width:100%; float:left; position:relative;}
#jianjie2 ul{list-style-type:none;}
#jianjie2 ul li{ width:100%; float:left;background-color:#F3F3F3}
#jianjie2 ul li.c1{ }
#jianjie2 ul li.c2{
	background-color:#F3F3F3;
	background-image: url(img/jj2.jpg);
	background-repeat: repeat;
	background-position: right bottom;background-size:auto  100%;
}
#jianjie2 ul li .tp{ width:50%;}
#jianjie2 ul li .tp img{ display:block; width:100%;}
#jianjie2 ul li .nrc{ width:50%;box-sizing:content-box; box-sizing:border-box;}
#jianjie2 ul li .nrc h2{ line-height:1.6; margin-bottom:2.5%; margin-top:2.5%;  color: #282828;}
#jianjie2 ul li .nrc p{ line-height:1.8; color:#555;}
#jianjie2 ul li .nrc.fl{padding-top:25px; padding-bottom:25px; padding-left:150px; padding-right:30px;}
#jianjie2 ul li .nrc.fr{padding-top:25px; padding-bottom:25px; padding-left:30px; padding-right:150px;}
#jianjie3{
width:100%;
	float:left;
	padding-top:3%;
	padding-bottom:3%;
	overflow:hidden;
background-color:#F3F3F3;

}
#jianjie3 .index3con{
    margin-top: 3%;
}
#jianjie3 .index3con .jianjie4list{
    color: #444;
}

#jianjie3 .index3con .jianjie4list{
    width: 20%;
    color: #444; text-align:center;
}
#jianjie3 .index3con .jianjie4img{ display:block; width:100%; position:relative;    }
#jianjie3 .index3con .jianjie4img:after{ width:1px; height:30%; background-color:#555; left:50%; position:absolute; bottom:2%; content:"";}
 #jianjie3 .index3con .jianjie4img img{ max-width:90%;} 
 .jianjie4p1{
    font-size: 56px;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    line-height:1.5;
}
.jianjie4p1 span{
    position: relative;
}
.jianjie4list:nth-child(n+3) .jianjie4p1 span::after{
    content: "+";
    font-size: 28px;
    color: #444;
    position: absolute;
    right: -22px;
    top: -18px;
    font-family: Georgia, 'Times New Roman', Times, serif;
}
#part3 .index3con .jianjie4list:nth-child(n+2) .jianjie4p1 span::after {
    color: #444;
}
@media (max-width: 1600px){.jianjie1right{ padding-top:3%;}.jianjie1rightp4{padding:3%;  margin-left:0px;}.jianjie1rightp3{ font-size:86px;}.jianjie1right{ width:60%; float:right; padding-right:20px; margin-left:0px;}}
@media (max-width: 1450px){#jianjie2 ul li .nrc.fl{padding-top:25px; padding-bottom:25px; padding-left:100px; padding-right:20px;}#jianjie2 ul li .nrc.fr{padding-top:25px; padding-bottom:25px; padding-left:20px; padding-right:100px;}}
@media (max-width: 1250px){.jianjie1rightp3{ font-size:56px;}.jianjie1rightp4{ line-height:1.8}#jianjie2 ul li .nrc.fl{padding-top:15px; padding-bottom:15px; padding-left:50px; padding-right:20px;}#jianjie2 ul li .nrc.fr{padding-top:15px; padding-bottom:15px; padding-left:20px; padding-right:50px;}.jianjie4p1{ font-size:42px;}}
@media (max-width: 1100px){.jianjie1rightp3{ font-size:36px;}.jianjie1right{ width:65%;}#jianjie2 ul li .nrc.fl{ padding:15px;}#jianjie2 ul li .nrc.fr{ padding:15px;}#jianjie2 ul li .nrc h2{ font-size:18px; margin-top:0px;}.jianjie4p1{ font-size:36px;}}
@media (max-width: 900px){.jianjie1rightp3{ font-size:24px;}#jianjie2 ul li .tp,#jianjie2 ul li .nrc{width:100%;}#jianjie2 ul li .nrc h2{ font-size:16px; }.jianjie4p1{ font-size:24px;}.jianjie4list:nth-child(n+3) .jianjie4p1 span::after{ font-size:18px; font-weight:bold;top: -12px; right: -12px;} #jianjie3 .index3con .jianjie4img img{ max-width:50%;}}
@media (max-width: 750px){.jianjie1left{ width:100%; position:relative; float:left;}.jianjie1right{ width:100%; padding:15px; text-align:left;}.jianjie1rightp4{ padding:0px;}.jianjie1:after{ display:none;}}
@media (max-width: 500px){.jianjie4p1{ font-size:18px;}}
@media (max-width: 420px){.jianjie4p1{ font-size:16px;}}