/* 必要布局样式css */
.change-content { 
}

.change-box { 
}

.change-main {
    width: 1200px !important;
    margin: 0 auto;
    position: relative;
    transition: all .3s ease;
}


.change-box .change-cut {
    margin: 40px 0 30px;
    /* width: 1551px; */
}

.transition {
    -moz-transition: all .3s ease;
    -webkit-transition: all .3s ease;
    transition: all .3s ease;
}

.change-box .change-cut .tab {
    height: 60px;
    line-height: 60px;
    text-align: center;
    font-size:14px;
    background-color: #F5F5F5;
    box-sizing: border-box;
    border-right: 1px solid #e5e5e5;
    /* border-left: none; */
    position: relative;
    cursor: default;
    width:10%;
    float:left;
    /* margin-right: 0px; */
}
.change-box .change-cut .tab a:hover{ color:#FFF}
.change-box .change-cut .on a{ color:#FFF}
.flex-rows{
    /*display: flex;*/
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.change-box .change-cut ul{
    border: 1px solid #e5e5e5;
    margin-left: 0px;
    /* width: 1200px; */
}

.contents{
    width:1300px;
}

.change-box .change-cut .tab.on {
    background-color: #0f58d6;
    color: #fff;
}

.change-box .change-cut .tab.on:after {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    border: 11px solid;
    border-color: #0f58d6 transparent transparent transparent;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    transition: all .3s ease;
}



.change-box .contents > .flex-row {
    justify-content: space-between;
}



.change-box .item {
    background: #dedede;
    box-sizing: border-box;
    border: 1px solid #E5E5E5;
    width: 280px;
    float: left;
    transition: all .3s ease;
    margin-right: 26px;
}

.img-block {
    margin: 0 auto;
    display: block;
}

.change-box .img-block {
    /*margin: 0 20px 0 0;
    */float: left;
}

.img-block img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

.change-box .item-title { line-height:60px; text-align:left; padding-left:5px;
    font-size: 18px;
    color: #333;
}
.change-box .item:hover {
    box-shadow: 0 4px 10px 0 rgba(0, 0, 0, .1);
}

.items-news .items-news-list .item a:hover {
    color: #0f58d6;
}
.ipro h2{text-align: center;}
.ipro h2 a{color: #ff6e01;font-size: 36px;}
.ipro h2 em{color: #fff;font-size: 18px;display: block;padding: 18px 0 9px 0;;font-style:normal}
.ipro h2 b{color: #c2c2c2;font-size: 7px;display: block;font-family: Arial;letter-spacing: 0.5px;text-transform: uppercase;font-weight: normal;}


.content{ width:1200px; margin:0 auto;}
/**/
.case{padding-top: 49px;background: url(/img/case_bg.jpg) no-repeat center center;}
.case h2{text-align: center;}
.case h2 a{color: #ff6e01;font-size: 36px;}
.case h2 em{color: #fff;font-size: 18px;display: block;padding: 18px 0 9px 0;;font-style:normal}
.case h2 b{color: #c2c2c2;font-size: 7px;display: block;font-family: Arial;letter-spacing: 0.5px;text-transform: uppercase;font-weight: normal;}

.case_con{position: relative;height: 560px;margin-top:61px;}

.case_l{width: 200px;float: left;margin-right: 190px;}
.case_l h3{height: 36px;line-height: 36px;margin-bottom: 20px;}
.case_l h3 a{color: #fff;font-size: 14px;height: 36px;line-height: 36px;display: block;font-weight: normal;}
.case_l h3 a:hover,.case_l h3.cur a{color: #ff6e01;font-weight: bold;}

.case_l h3.a1{background: url(/img/1.png) no-repeat left center;text-indent: 51px;}
.case_l h3.a2{background: url(/img/2.png) no-repeat left center;text-indent: 51px;}
.case_l h3.a3{background: url(/img/3.png) no-repeat left center;text-indent: 51px;}
.case_l h3.a4{background: url(/img/4.png) no-repeat left center;text-indent: 51px;}
.case_l h3.a5{background: url(/img/5.png) no-repeat left center;text-indent: 51px;}


.case_l h3.a1:hover,.case_l h3.a1.cur{background: url(/img/11.png) no-repeat left center;text-indent: 51px;}
.case_l h3.a2:hover,.case_l h3.a2.cur{background: url(/img/22.png) no-repeat left center;text-indent: 51px;}
.case_l h3.a3:hover,.case_l h3.a3.cur{background: url(/img/33.png) no-repeat left center;text-indent: 51px;}
.case_l h3.a4:hover,.case_l h3.a4.cur{background: url(/img/44.png) no-repeat left center;text-indent: 51px;}
.case_l h3.a5:hover,.case_l h3.a5.cur{background: url(/img/55.png) no-repeat left center;text-indent: 51px;}


.case_con .big{width: 300px;height: 144px;border:4px solid #ff6e01;padding:34px 32px 0 30px;position: absolute;bottom: 66px;left: 0;}
.case_con .big h4 a{color: #fff;font-size: 18px;padding-bottom: 16px;overflow: hidden; text-overflow:ellipsis;white-space:nowrap;display:block;}
.case_con .big p{color: #92b4dd;font-size: 14px;line-height: 26px;}
.case_con .line{width: 92px;height: 1px;position: absolute;bottom: 158px;left: 337px;background: url(/img/line.jpg) no-repeat center center;}

.case_m{width: 584px;float: left;margin-right: 20px;margin-top:55px;}
.case_m img{width: 584px;height: 439px;}

.case_r{width: 179px;float: left;margin-top:55px;height: 439px;position: relative;}
.case_r .z,.case_r .y{width: 19px;height: 63px;display: block;position: absolute;cursor: pointer;}
.case_r .z{left:80px;top: -36px;background:url(/img/z.png) no-repeat center center;z-index:999;}
.case_r .y{left:80px;bottom: -36px;background:url(/img/y.png) no-repeat center center;z-index:999;}

.case_r li{width: 179px;height: 135px;margin-bottom: 18px;position: relative;}
.case_r li em{width: 167px;height: 123px;position: absolute;left: 0;bottom: 0;display: none;
	background: url(/img/png.png) no-repeat center center;}
.case_r li a{width: 179px;height: 135px;display: block;}
.case_r li a:hover em{display: block;border: 6px solid #ff6e01;}
.case_r li img{width: 179px;height: 135px;}

 /**/
.ys{height: 883px;padding-top: 30px;}
.ys h2{text-align: center;}
.ys h2 a{color: #ff6e01;font-size: 40px;}
.ys h2 a span{color: #ff6e01;font-size:40px;}
.ys h2 em{color: #ffffff;font-size:20px;display: block;padding: 18px 0 9px 0;font-style:normal}
.ys h2 b{color: #c2c2c2;font-size: 7px;display: block;font-family: Arial;letter-spacing: 0.5px;text-transform: uppercase;font-weight: normal;}

.ys_con{height: 580px;padding-top: 57px;position: relative;margin-top: 50px;}
.ys_con ul{position: absolute;top: 0;left: 81px;}
.ys_con ul li{width: 147px;height: 78px; float: left;margin-right: 10px;color: #FFF;padding-left: 105px;padding-top:34px;}
.ys_con ul li a{width: 252px;height: 112px;display: block;font-size: 24px;color: #FFF;}
.ys_con ul li a em{display: block;font-size: 11px;color: #49617f;padding-top: 5px;}


.ys_con ul li.li01{background:url(/img/01.png) no-repeat 30px 35px #6a3906;}
.ys_con ul li.li02{background:url(/img/02.png) no-repeat 30px 35px #6a3906;padding-left: 113px;width: 139px;}
.ys_con ul li.li03{background:url(/img/03.png) no-repeat 30px 35px #6a3906;padding-left: 113px;width: 139px;}
.ys_con ul li.li04{background:url(/img/04.png) no-repeat 30px 35px #6a3906;padding-left: 113px;width: 139px;}

.ys_con ul li.li01:hover,.ys_con ul li.li01.cur{background:url(/img/01.png) no-repeat 30px 35px #ff6e01;}
.ys_con ul li.li02:hover,.ys_con ul li.li02.cur{background:url(/img/02.png) no-repeat 30px 35px #ff6e01;}
.ys_con ul li.li03:hover,.ys_con ul li.li03.cur{background:url(/img/03.png) no-repeat 30px 35px #ff6e01;}
.ys_con ul li.li04:hover,.ys_con ul li.li04.cur{background:url(/img/04.png) no-repeat 30px 35px #ff6e01;}

.ys_con ul li a:hover em{color: #b9e4f1;}

.aboutus{ margin:0 auto; width:1200px; background:url(/images/aboutusbg.jpg); height:527px}