.hezuo_sjd{
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    padding: 100px 0;
}
/*关于我们start*/

.about_bg{ position: fixed; width: 100%; height: 100%; top:0; left: 0;}

.about_content{ margin: 0 auto;}

.about_content h2,.about_content h3{ text-align: center; font-weight: bold; color: #000; }

.about_content h2{ font-size:28px;margin-bottom:50px;}

.about_content h3{ font-size: 26px; margin-bottom: 60px;}

.about_content p{ font-size: 16px; color: #000; line-height: 180%; margin-bottom: 20px; text-align: center;}

.about_content.history{ text-align: center; position: relative;}

/*大事记start*/

.event_box{margin: 3% auto 0;position: relative;}

.event_box .parHd {width: 100%; display: inline-block;

    height: 92px;

    overflow: hidden;}

.parHd  ul{ width: 100%; text-align: center; margin: 0 auto; padding-top: 25px !important;}

.parHd .tempWrap{ margin: 0 auto;}

.parHd .tempWrap:after{      content: '';

    width: 85%;

    height: 1px;

    background: #580000;

    position: absolute;

    /* top: 33%; */

    /* right: -140%; */

    right: 8%;

    top: 35%;

    /* margin-top: -0.5px; */

    z-index: 10;}

/*.parHd li:before{ content: ''; width: 180%; height: 1px; background: #580000; position: absolute;top: 0; right:-140%;right: 0;}*/ 

.parHd li.no_line:before{ display: none;}

.parHd li{  display: inline-block; cursor: pointer; padding-top: 30px; font-size: 16px; color: #000;margin:0 30px; position: relative; }

.parHd li:after{ content: ''; background: url(../images/dot_ico.png) no-repeat; width: 24px; height: 24px; position: absolute;  z-index: 20;top: -7px; left: 50%; margin-left: -12px;}
.act:after{background: url(../images/dot_icogreen3.png) no-repeat !important;width: 32px !important;height: 32px !important;top: -11px !important;margin-left: -16px !important;} 

.parBd{ text-align: center; margin-top: 60px;}

.parBd h3{font-size: 24px;margin-bottom:15px;}

.parBd h4{ position: relative; font-size:20px; margin-bottom: 3%; /*width: 200px;*/ padding: 0 60px;  display: inline-block; text-align: center;}

.parBd h4:after{ content:''; background: #000; width: 100px; height: 1px; position: absolute; left: -100px; bottom: 7px;}

.parBd h4:before{ content:''; background: #000; width: 100px; height: 1px; position: absolute; right: -100px; bottom:7px;}

.parBd p{ line-height: 180%; font-size: 16px; width: 80%; margin: 0 auto;}

div#listBox {

    width: 100%;

}

.sPrev,.sNext{ width: 30px; height: 30px; display: block; position: absolute; top: 10px;}

.sPrev{ left: 0;cursor: pointer;}

.sNext{ right: 0;cursor: pointer;}

.sPrev img,.sNext img{transition: all .6s cubic-bezier(.51,1.1,.9,.95);

    -moz-transition: all .6s cubic-bezier(.51,1.1,.9,.95);

    -webkit-transition: all .6s cubic-bezier(.51,1.1,.9,.95);

    -o-transition: all .6s cubic-bezier(.51,1.1,.9,.95);
     }



/*合作-实例*/
.hezuo_shili{
    padding: 100px 0;
    background:url(../images/aiyy-bg.jpg) no-repeat fixed;
}
.hezuosl_title h3{
    font-size: 28px;
    text-align: center;
    color: #fff;
    font-weight: 700;
}
.hezuosl_video_div{
    max-width: 1200px;
    width: 96%;
    margin: 0 auto;
}
.hezuosl_video_div ul li{
    width:44%;
    float: left;
    margin:3% 3% 1% 3%;
    height: 300px;
}
.hezuosl_video_div ul li video{
    width: 100%;
}
.hezuosl_video_div ul li p{
	color: #fff;
    text-align: center;
    font-size: 15px;
    margin-top: 10px;
}


/*合作-logo*/
.hezuo_khlg{
    padding: 100px 0;
}
.hezuokehu_title h3{
    font-size: 28px;
    text-align: center;
    font-weight: 700;
    color: #000;
}

.hezuokehu_logo{
    max-width: 1360px;
    width: 90%;
    margin: 0 auto;
    margin-top: 50px;
}
.hezuokehu_logo ul li{
    float: left;
    width: 22%;
    margin: 15px 4% 15px 0;
    overflow: hidden;
    box-shadow: 0 0 1px #2074a2;
  	text-align: center;
}
.hezuokehu_logo ul li img{
    margin: 0 auto;
}
.hezuokehu_logo ul li:nth-child(4n) {
    margin-right: 0;
}
.hezuo_wzjs{
    max-width: 1000px;
    margin:0 auto;
    margin-top: 50px;
    width: 94%;
}
.hezuo_wzjs1{
    font-size: 18px;
    font-weight: 700;
    line-height: 30px;
}
.hezuo_wzjs2{
    font-size: 16px;
    line-height: 30px;
    background:url(../images/zhengfangxing.png) no-repeat 0px 5px;
    padding-left: 25px;
}

.hezuo_sjdshouji{
    display: none;
}



@media (max-width:1260px) {
    .hezuokehu_logo ul li img{
        width: 100%;
    }
}

@media (max-width:1024px) {
    .hezuokehu_title h3{
        font-size: 26px;
    }
    .hezuosl_title h3{
        font-size: 26px;
    }
    .about_content h2{
        font-size: 26px;
    }
    .hezuosl_video_div ul li{
        height: 260px;
    }
}

@media (max-width:830px) {
    .parBd h4:before{
        display: none;
    }
    .parBd h4:after{
        display: none;
    }
    .hezuosl_video_div ul li{
        height: 220px;
    }
}    

@media (max-width:760px) {
    .hezuokehu_title h3{
        font-size: 22px;
    }
    .hezuo_wzjs1{
        font-size: 16px;
    }
    .hezuo_wzjs2{
        font-size: 14px;
        line-height: 24px;
    }
    .hezuosl_title h3{
        font-size: 22px;
    }
    .hezuosl_video_div{
        margin-top:20px;
    }
    .about_content h2{
        font-size: 22px;
    }
    .parBd h3{
        font-size: 22px;
    }
    .parBd h4{
        font-size: 18px;
    }
    .hezuosl_video_div ul li{
        height: 200px;
    }
}


@media (max-width:660px){
    .hezuo_khlg{
        padding: 50px 0;
    }
    .hezuo_wzjs{
        margin-top:30px;
    }
    .hezuokehu_logo {
        margin-top: 30px;
    }
    .hezuo_shili{
        padding: 50px 0;
    }
    .hezuo_sjd{
        padding: 50px 0;
    }
}

@media (max-width:660px){
    .hezuokehu_title h3{
        font-size: 20px;
    }
    .hezuosl_title h3{
        font-size: 20px;
    }
    .about_content h2{
        font-size: 20px;
    }
    .parBd h3{
        font-size: 20px;
    }
    .parBd h4 {
        font-size: 16px;
    }
    .parBd {
        margin-top:40px;
    }
    .hezuosl_video_div ul li {
        height: 150px;
    }
} 

@media (max-width:500px){
    .hezuo_khlg {
        padding: 30px 0;
    }
    .hezuo_wzjs1 {
        font-size: 15px;
        line-height: 22px;
        margin-bottom: 10px;
    }
    .hezuo_wzjs2{
        line-height: 20px;
        margin-bottom: 6px;
    }
    .hezuokehu_logo ul li{
        width: 30.6%;
        margin: 10px 4% 10px 0;
    }
    .hezuokehu_logo ul li:nth-child(3n){
        margin-right: 0;
    }
    .hezuokehu_logo ul li:nth-child(4n){
        margin-right: 4%;
    }
  	.hezuokehu_logo ul li:nth-child(12){
        margin-right: 0;
    }
    .hezuo_shili {
        padding: 30px 0;
    }
    .hezuosl_video_div ul li{
        width: 94%;
    }
    .hezuo_sjd {
        padding: 30px 0 0 0;
    }
    .parHd li{
        font-size: 14px;
    }
    .parHd li:after{
        top: -13px;
    }
    .act:after{
        width: 28px !important;
        height: 28px !important;
        background-size: 28px !important;
        top: -15px !important;
    }
    .parBd h3 {
        font-size: 18px;
    }
    .parBd h4 {
        font-size: 14px;
        line-height: 20px;
        padding: 0 20px;
    }
    .parBd {
        margin-top: 10px;
    }
    .about_content h2{
        margin-bottom: 20px;
    }
    .sPrev, .sNext{
        width: 25px;
        height: 25px;
        top: 12px;
        z-index: 999;
        background-color: #fff;
    }
    .sPrev img, .sNext img{
        width: 100%;
    }
    .event_box{
        display: none;
    }
    .hezuosl_video_div ul li {
        height:auto;
    }
  	.hezuosl_video_div ul li p{
  		font-size: 12px;
    	margin-top: 6px;
  	}
}