a,img{
    transition: all ease-out .5s;
}

/*tupian*/
.index-img {
    overflow: hidden;
    position: relative;
}

.index-img:before {
    position: absolute;
    transition: 0.3s;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    content: '';
    -webkit-transform: scale3d(3, 1.4, 1) rotate3d(0, 0, 1, 45deg) translate3d(0, -100%, 0);
    transform: scale3d(3, 1.4, 1) rotate3d(0, 0, 1, 45deg) translate3d(0, -100%, 0);
}

.index-img:hover:before {
    -webkit-transform: scale3d(3, 1.4, 1) rotate3d(0, 0, 1, 45deg) translate3d(0, 100%, 0);
    transform: scale3d(3, 1.4, 1) rotate3d(0, 0, 1, 45deg) translate3d(0, 100%, 0);
}
.imgh img{
    display: block;
    width: 100%;
    height: 100%;
}
.imgh:hover img{
    transform: scale(1.1);
}


/*按钮*/
.mm{
    transition: .5s;
}
.mm:hover{
    transform: translateY(-5px);
}
.mm:before{
    pointer-events: none;
    position: absolute;
    z-index: -1;
    content: '';
    top: 100%;
    left: 5%;
    height: 10px;
    width: 90%;
    opacity: 0;
    background: -webkit-radial-gradient(center, ellipse, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0) 80%);
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0) 80%);
    /* W3C */
    -webkit-transition-duration: 0.3s;
    transition-duration: 0.3s;
    -webkit-transition-property: transform, opacity;
    transition-property: transform, opacity;
}
.mm:hover:before{
    opacity: 1;
}
a,img{
    transition: all ease-out .5s;
}
.one {
    position: relative;
    overflow: hidden;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
    z-index: 0;
}

.one:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
    opacity: 1;
    -webkit-transform: translate(-105%, 0);
    transform: translate(-105%, 0);
    border-right-width: 1px;
    border-right-style: solid;
    border-right-color: rgba(255, 255, 255, 1);
    background-color: rgba(255, 255, 255, 0.25);
    z-index: -1;
}

.one:hover:before {
    opacity: 0;
    -webkit-transform: translate(0, 0);
    transform: translate(0, 0);
}
/*首页banner*/
.banner-box {
    width: 100%;
    max-height: 750px;
    position: relative;
}

.banner {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.banner li {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.banner li a {
    display: block;
    width: 100%;
    height: 100%;
}

.banner li a img {
    display: block;
    width: 100%;
    height: 100%;
}

.banner-nav {
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 95px;
}

.banner-nav .hd {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


.banner-nav .hd .next {
    background: url("../images/ban-R.png") no-repeat center;
    width: 71px;
    height: 25px;
    transition: all ease-out .5s;
    display: block;
    cursor: pointer;
    position: absolute;
    top: 0;
    right: 39px;
}

.banner-nav .hd .next:hover {
    transform: translateX(10px);
}

.banner-nav .hd .prev {
    background: url("../images/ban-L.png") no-repeat center;
    width: 71px;
    height: 25px;
    transition: all ease-out .5s;
    display: block;
    cursor: pointer;
    position: absolute;
    top: 0;
    left: 39px;
}

.banner-nav .hd .prev:hover {
    transform: translateX(-10px);
}
.banner-nav .hd ul{
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 50px;
}
.banner-nav .hd ul li{
    background: url("../images/ban-li.png") no-repeat center;
    width: 20px;
    height: 20px;
    display: inline-block;
    margin: 0 5px;
    transition: all ease-out .3s;
}
.banner-nav .hd ul li.on{
    width: 84px;
    background: url("../images/ban-li2.png") no-repeat center;
}


.ban-text{
    width: 1000px;
    height: 160px;
    background: #ea5905;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    text-align: center;
    line-height: 1;
    color: #fff;
    box-sizing: border-box;
    padding-top: 33px;
}
.ban-text b {
    display: block;
    font-size: 28px;
}

.ban-text p {
    font-family: ArialMT;
    font-size: 14px;
    margin-top: 20px;
}

/*about-box*/
.about-box{
    background: url("../images/about-bg.jpg") no-repeat center;
    height: 928px;
}

.about-tit{
    padding-top: 119px;
    line-height: 1;
}

.about-tit p{
    font-family: ArialMT;
    font-size: 50px;
    color: #040706;
    line-height: .8;
}

.about-tit i{
    display: block;
    font-family: ArialMT;
    font-size: 16px;
    color: #1e2629;
    margin: 19px 0 0 210px;
}

.about-tit span{
    display: block;
    font-size: 16px;
    letter-spacing: 2px;
    color: #4f646a;
    margin-top: 20px;
    margin-left: 210px;
}

.about{
    position: relative;
    z-index: 0;
    width: 100%;
    margin-top: 60px;
}

.about-tu{
    width: 664px;
    height: 395px;
    overflow: hidden;
}
.about-tu img{
    display: block;
    width: 100%;
    height: 100%;
    transform: scale(1.03);
}
.about-tu:hover img{
    transform: scale(1);
}

.about-text{
    width: 536px;
    height: 395px;
    background: #fff;
    box-sizing: border-box;
    padding: 69px 28px 0 41px;
    line-height: 1;
}

.about-text span{
    display: block;
    font-size: 18px;
    color: #1e2629;
    padding: 0 0 14px;
}
.about-text i{
    display: block;
    font-size: 12px;
    color: #8aa0a6;
}

.about-text p{
    font-size: 14px;
    line-height: 30px;
    color: #4f646a;
    overflow: hidden;
    margin: 25px 0 34px;
    height: 120px;
}
.about-text b{
    display: block;
    width: 50px;
    height: 2px;
    background-color: #ddd;
    margin-bottom: 15px;
}
.about-text a{
    display: inline-block;
    font-size: 12px;
    color: #8aa0a6;
}

.about-text a:hover{
    letter-spacing: 2px;
    color: #ea5905;
}


.pro-tit{
    line-height: 1;
    margin-top: 86px;
    margin-left: 107px;
}

.pro-tit p{
    font-size: 24px;
    color: #1e2629;
    margin-bottom: 14px;
}
.pro-tit span{
    display: block;
    font-size: 14px;
    color: #8aa0a6;
    margin-bottom: 18px;
}
.pro-tit a{
    display: block;
    background: url("../images/pro-more.png") no-repeat center;
    width: 34px;
    height: 8px;
}


/*pro-box*/
.pro-box{
    background: url("../images/pro-bg.jpg") no-repeat center;
    height: 402px;
    padding-top: 62px;
    box-sizing: border-box;
}

.pro{
    width: 1209px;
    height: 220px;
    margin: 0 auto;
    background: rgba(255,255,255,.9);
    text-align: center;
}

.pro li{
    display: inline-block;
    margin: 0 30px;
    line-height: 1;
    padding-top: 72px;
    box-sizing: border-box;
    width: 175px;
    position: relative;
    z-index: 0;
}

.pro li b{
    display: block;
    font-size: 24px;
    color: #1e2629;
}
.pro li i{
    display: block;
    font-family: ArialMT;
    font-size: 14px;
    color: #aaa;
    margin: 13px 0 15px;
}
.pro li p{
    font-size: 14px;
    color: #4f646a;
}

.pro li:before{
    content: '';
    background: url("../images/pro-hot.png") no-repeat center;
    width: 21px;
    height:0;
    position: absolute;
    top: -62px;
    left: 50%;
    margin-left: -15px;
    transition: all ease-out .5s;
}

.pro li.on:before{
    height: 91px;
}

/*duct-nav*/
.duct-nav{
    background: url("../images/duct-nav-bg.jpg") no-repeat center;
    height: 466px;
    overflow: hidden;
}

.duct-top{
    padding-top: 64px;
    line-height: 1;
    padding-left: 95px;
    box-sizing: border-box;
}

.duct-top p{
    color: #1e2629;
    font-size: 24px;
}

.duct-top li{
    float: left;
    margin-right: 50px;
}

.duct-top li a{
    display: block;
    font-size: 16px;
    color: #1e2629;
}

.duct-top li.on a{
    color: #ea5905;
    font-weight: bold;
}

.duct-li{
    margin-top: 60px;
}
.duct-list li{
    float: left;
    transition: all ease-out .5s;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    overflow: hidden;
    text-align: center;
    line-height: 1;
    position: relative;
    box-sizing: border-box;
    margin: 0 35px;
}

.duct-list li .duct-img,
.duct-list li .duct-img img{
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.duct-list li:hover{
    box-shadow: 0px 2px 9px 0px
    rgba(4, 7, 6, 0.19);
    border: solid 4px #ffffff;
}
.duct-list li .duct-name{
    display: block;
    width: 100%;
    overflow: hidden;
    -ms-text-overflow: ellipsis;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 18px;
    color: #fff;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    line-height: 130px;
    box-sizing: border-box;
    padding: 0 10px;
}


.duct-nav-more{
    background: url("../images/duct-more.png") no-repeat center #ea5905;
    width: 360px;
    height: 360px;
    position: absolute;
    right: 0;
    top: 0;
    margin-right: -356px;
    box-sizing: border-box;
    padding-top: 187px;
    text-align: center;
    font-family: SimSun;
    font-size: 14px;
    color: #fff;
}


.duct-box{
    background: url("../images/duct-bg.jpg") no-repeat center;
    height: 641px;
    box-sizing: border-box;
    padding-top: 79px;
}
.duct-box .between{
    width: 1400px;
}
.duct-tit{
    text-align: center;
    line-height: 1;
}
.duct-tit a{
    display: block;
    font-size: 30px;
    color: #fff;
    margin-bottom: 23px;
}
.duct-tit i{
    display: block;
    font-family: SimSun;
    font-size: 30px;
    color: #fff;
}


.duct-tab{
    width: 100%;
    margin-top: 144px;
}
.duct-tab li:first-child{
    margin-left: 0;
}
.duct-tab li{
    width: 330px;
    height: 280px;
    position: relative;
    overflow: hidden;
    float: left;
    margin-left: 26px;
}

.duct-tab li .duct-tu{
    display: block;
    width: 100%;
    height: 255px;
    overflow: hidden;
    box-sizing: border-box;
}

.duct-tab li .duct-tu img{
    display: block;
    width: 100%;
    height: 100%;
}
.duct-tab li:hover .duct-tu{
    box-shadow: 0px 1px 8px 0px
    rgba(4, 7, 6, 0.09);
    border: solid 10px #ffffff;
}
.duct-tab li .duct-nn{
    position: absolute;
    left: 25px;
    top: 200px;
    transition: alla ease-out .5s;
    opacity: 0;
    width: 90%;
    height: 80px;
}
.duct-tab li:hover .duct-nn{
    opacity: 1;
}
.duct-tab li .duct-nn .duct-ming{
    display: block;
    width: 157px;
    height: 80px;
    position: absolute;
    left: 0;
    top: 0;
    background: #ea5905;
    line-height: 80px;
    box-sizing: border-box;
    padding: 0 50px 0 20px;
    font-size: 16px;
    color: #fff;
}
.duct-tab li .duct-nn .duct-mm{
    display: block;
    background: url("../images/duct-j.png") no-repeat center;
    width: 73px;
    height: 12px;
    position: absolute;
    top: 36px;
    left: 122px;
}

/*case-box*/
.case-box{
    background: url("../images/case-bg.jpg") no-repeat center;
    height: 1147px;
    box-sizing: border-box;
    padding-top: 79px;
    overflow: hidden;
}

.case-title{
    width: 870px;
    line-height: 1;
}
.case-tit{
    margin: 0 auto;
    text-align: center;
    width: 266px;
}
.case-tit a{
    display: block;
    background: url("../images/case-tt.png") no-repeat 0 center;
    height: 36px;
    line-height: 36px;
    padding-left: 167px;
    box-sizing: border-box;
    font-size: 24px;
    color: #1e2629;
}

.case-tit i{
    display: block;
    font-size: 14px;
    color: #8aa0a6;
    margin: 19px 0 10px;
}

.case-tit p{
    font-size: 14px;
    color: #4f646a;
}


.case-nav{
    text-align: center;
    margin-top: 39px;
}
.case-nav li:first-child{
    border: none;
}
.case-nav li{
    display: inline-block;
    font-size: 16px;
    border-left: 1px solid #1e2629;
    height: 18px;
    line-height: 18px;
    padding: 0 10px;
    text-align: center;
    width: 60px;
}
.case-nav li a{
    color: #1e2629;
}

.case-nav li a:hover{
    color: #ea5905;
}

.case{
    margin-top: 76px;
    height: 545px;
}

.case li{
    position: absolute;
    overflow: hidden;
}

.case li .case-img{
    display: block;
    overflow: hidden;
    width: 100%;
    height: 100%;
}
.case li .case-img img{
    display: block;
    width: 100%;
    height: 100%;
}

.case li:hover .case-img img{
    transform: scale(1.03);
}

.case li .case-name{
    display: block;
    background: url("../images/cse-jia.png") no-repeat center 45% rgba(0,0,0,.3);
    position: absolute;
    width: 100%;
    height: 100%;
    bottom: 0;
    left: 0;
    text-align: center;
    box-sizing: border-box;
    color: #fff;
    font-size: 16px;
    padding: 200px 5% 0;
    transform: translateX(-100%);
}
.case li:hover .case-name{
    transform: translateX(0);
}
.case .case1 .case-name{
    padding-top: 290px;
}
.case .case4 .case-name{
    padding-top: 150px;
}
.case .case5 .case-name{
    padding-top: 340px;
}
.case .case1{
    width: 759px;
    height: 545px;
    left: 0;
    top: 0;
    margin-left: -356px;
}

.case .case2{
    width: 472px;
    height: 354px;
    top: 0;
    left: 399px;
}
.case .case3{
    width: 472px;
    height: 354px;
    top: 354px;
    left: 399px;
}

.case .case4{
    width: 330px;
    height: 250px;
    top: 350px;
    right:0;
}

.case .case5{
    width: 330px;
    height: 655px;
    top: -305px;
    right:0;
}

.case-tnam{
    display: block;
    background: url("../images/case-tv.jpg") no-repeat center;
    width: 165px;
    height: 65px;
    text-align: center;
    line-height: 65px;
    color: #fff;
    font-size: 16px;
    position: absolute;
    left: 0;
    top: -35px;
}

.case-mm{
    display: block;
    background: url("../images/case-mm.jpg") no-repeat center;
    width: 277px;
    height: 169px;
    text-align: center;
    line-height: 169px;
    color: #ea5905;
    font-family: SimSun;
    font-size: 14px;
    margin: 23px 0 0 245px;
}

/*new-box*/
.new-box{
    margin: 70px 0;
}

.new-tit{
    background: url("../images/new-ying.png") no-repeat center top;
    padding-top: 72px;
    text-align: center;
    line-height: 1;
}
.new-tit a{
    display: inline-block;
    font-size: 24px;
    color: #1e2629;
}

.new{
    background: url("../images/new-bg.png") no-repeat center;
    height: 280px;
    margin-top: 60px;
}

.new-list{
    width: 100%;
}
.new-list li:nth-child(2n+1){
    margin-left: 0;
}
.new-list li:nth-child(1),
.new-list li:nth-child(2){
    margin-top: 22px;
}
.new-list li{
    width: 466px;
    line-height: 1;
    float: left;
    margin-left: 267px;
    margin-top: 70px;
}

.new-list li .new-num{
    width: 100px;
    border-right: 1px solid #ddd;
    height: 75px;
    box-sizing: border-box;
}

.new-list li .new-num b{
    display: block;
    font-family: ArialMT;
    font-size: 60px;
    letter-spacing: -6px;
    color: #050707;
    font-weight: normal;
    line-height: .8;
}
.new-list li .new-num i{
    display: block;
    font-family: ArialMT;
    font-size: 14px;
    color: #8aa0a6;
    margin-top: 15px;
}
.new-list li .new-nn{
    width: 336px;
    position: relative;
}
.new-list li .new-nn:before{
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    background: #ddd;
    transition: all ease-out .5s;
    left: -44px;
    top: 12px;
}
.new-list li:hover .new-nn:before{
    width: 90px;
}
.new-list li .new-nn a{
    display: block;
    overflow: hidden;
    -ms-text-overflow: ellipsis;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #1e2629;
    font-size: 18px;
    box-sizing: border-box;
}

.new-list li:hover .new-nn a{
    padding-left: 59px;
    color: #ea5905;
}

.new-list li .new-nn p{
    overflow: hidden;
    font-size: 14px;
    line-height: 24px;
    color: #4f646a;
    height: 48px;
    margin-top: 10px;
}

.new-nav{
    text-align: center;
    width: 100%;
    margin-top: 40px;
}

.new-nav li{
    display: inline-block;
    background: url("../images/n-li.png") no-repeat center;
    width: 26px;
    height: 26px;
    transition: all ease-out .5s;
    box-sizing: border-box;
    border-radius: 50%;
    margin: 0 5px;
}

.new-nav li.on{
    border: 1px solid #ea5905;
}


.new-more{
    margin: 88px auto 0;
    box-sizing: border-box;
    width: 197px;
    height: 35px;
    background: url("../images/jiant.png") no-repeat 121px center;
    border: solid 1px #d8e2e3;
    line-height: 35px;
    font-size: 14px;
    color: #8aa0a6;
    padding-left: 50px;
    display: block;
}
.new-more:hover{
    color: #ea5905;
}