.header{
    height: 60px;
    line-height: 60px;
    position: fixed;
    top:0;
    left: 0;
    z-index: 999;
    width: 100%;
    /*background: #4d4d4d;*/
    background: transparent;
}
.icon-logo{
    background-image: url("../../images/index/logo.png");
    width: 316px;
    height: 60px;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-background-size:316px 44px;
    background-size:316px 44px;
    background-color: transparent;
    margin-left:30px;
    float: left;
}
.content{
    /*max-width: 1600px;*/
    /*width: 1280px;*/
    margin: 0 auto;
    height: 100%;
    position: relative;
    /*margin-top: 60px;*/
}
.banner{
    background-image: url("../../images/index/bannercase.png");
    width: 100%;
    height: 592px;
}
.solution{
    background-image: url("../../images/index/solution/case_bg.png");
    width: 100%;
    height: auto;
    padding-top: 20px;
    padding-bottom: 60px;
}
.solution .icon-1{
    background-image: url("../../images/index/solution/case1.png");
    width: 100%;
    height: 711px;
    background-repeat: no-repeat;
    background-position: center;
}
.solution-img{ width: 100%;height: auto; }
.solution-img2{ margin-top: 20px; }
.solution .icon-2{
    background-image: url("../../images/index/solution/case2.jpg");
    width: 100%;
    height: 814px;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    top: -5px;
}
.solution .icon-3{
    background-image: url("../../images/index/case2.png?v=1");
    width: 100%;
    height: 778px;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    top: -8px;
}