/*****************头部重写start********************/
.back-pic{
    position: relative;
    background: url("../assets/opensource/banner.jpg") center no-repeat;
    width: 100%;
    height: 422px;
    z-index: 1;
    background-color: #192020;
    margin-top: 60px;
    background-position-y: -76px;
    background-color: #fff;
}
.header-position{
    position:relative;
}
#dev_header{
    margin-top: -60px;
}
.i-header .header-nav-wrapper {
    background-color: transparent;
    box-shadow: none;
}
.i-header .header-top-wrapper {
    background-color:rgba(00,00,00,0.2);
    border-bottom: 0px solid #dcdcdc;
}
.i-header .header-nav-wrapper .header-navigation .navigation-inner>li>a {
    color: #fff;
}
.i-header .header-nav-wrapper .header-navigation .logo {
    color: #3a85c6 !important;
}
.nav-title {
    color: #333333;
}
#dev_header .search-icon {
    background-color: rgba(245,245,245,0.1);
    opacity: 0;
}
.i-header .web-navs{
    color:#fff;
}
#dev_header .search-icon:hover{
    background-color: rgba(55,150,218,0.9) !important;
}
#dev_header .nav-item-workbench .workbench-title{
    color: #333;
}
/*****************头部重写end********************/

.main-content{
    width: 1170px;
    margin: 0 auto;
    margin-top: 35px;
}
.source-item{
    border-bottom: 1px solid #DCDCDC;
    padding:25px 0px;
    display: flex;
    align-items:flex-start;
}
.source-item > div{
    height: 140px;
}
.item-left{
    width: 200px;
    line-height: 140px;
    text-align: center;
}
.item-left img{
    width:170px;
    height: 120px;
}
.item-right{
    width: 940px;
}

.item-title{
    font-size: 14px;
    color: #333333;
    font-weight: bold;
    margin-bottom: 10px;
}
.item-content{
    font-size: 14px;
    line-height: 32px;
    color: #666666;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.item-bottom{
    margin-top:20px;
}
.item-btn{
    width: 150px;
    background-color: #52B678;
    padding: 8px 15px;
    border-radius: 2px;
    margin-right: 20px;
}
.item-btn img{
    width: 16px;
    height: 16px;
}
.item-btn:hover{
    background-color: #50BF7C;
}
.item-btn *{
    vertical-align: middle;
}
.item-btn span{
    color: #FFFFFF;
    font-size: 14px;
    margin-left: 5px;
}