.heads_area::before{
    background-image: url("../../static/picture/server-wuchenchejian.jpg");
    bottom: 0;
    top: auto;
}
.heads_area.wuchenchejian::before{
    background-image: url("../../static/picture/server-wuchenchejian.jpg");
}
.heads_area.gaoxiaojifang::before{
    background-image: url("../../static/picture/server-gaoxiaojifang.jpg");
}
.heads_area.wulianwang::before{
    background-image: url("../../static/picture/server-wulianwang.jpg");
}
.heads_area.dianlixitong::before{
    background-image: url("../../static/picture/server-dianlixitong.jpg");
}
.heads_area.nuanfengjifang::before{
    background-image: url("../../static/picture/server-nuanfengjifang.jpg");
}
.heads_area.paishuixitong::before{
    background-image: url("../../static/picture/server-paishuixitong.jpg");
}
.heads_area.feiqijichen::before{
    background-image: url("../../static/picture/server-feiqijichen.jpg");
}
.heads_area.zhoyanjiayao::before{
    background-image: url("../../static/picture/server-zhoyanjiayao.jpg");
}
.yblog_left .inner_blog_area{
    position: relative;
    color: var(--whitec);
}
.yblog_left .inner_blog_area .inner_text{
    position: absolute;
    top: 0;left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0,0,.8);
    padding: 20px;
    opacity: 0;
    transition: all 1s;
}
.yblog_left .inner_blog_area .inner_span{
    font-weight: bold;
    font-size: 22px;
    letter-spacing: .1em;
    position: absolute;
    left: 10px;bottom: 10px;
    transition: all .8s;
}
.yblog_left .inner_blog_area .inner_text h2{
    color: var(--whitec);
    text-align: center;
    padding-bottom: 10px;
    margin-top: 30px;
}
.yblog_left .inner_blog_area:hover .inner_text{
    opacity: 1;
}
.yblog_left .inner_blog_area:hover .inner_span{
    opacity: 0;
}

.tabs-area{
    margin: 100px 0;
}
.tabs-area .project-container {
    position: absolute;
    bottom: 10px;
    display: flex;
    flex-wrap: wrap
}
.tabs-area .project-container a{
    display: inline-block;
    width: 200px;
    border: 1px solid var(--blackc);
    border-radius: 4px;
    padding: 15px 10px;
    text-align: center;
    margin: 4px;
    font-size: 18px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.tabs-area .project-container a::after{
    display: inline-block;
    position: absolute;
    z-index: -1;
    content: "";
    left: 0;top: 0;
    width: 200px;height: 200px;
    border-radius: 100%;
    background-color: var(--lightcolor);
    transform: translate(-90%,-50%);
    transition: all .5s;
    opacity: 0;
}
.tabs-area .project-container a:hover{
    color: var(--blackc);
}
.tabs-area .project-container a:hover::after{
    transform: scale(2);
    opacity: 1;
}
.tabs-area .tabs{
    justify-content: center;
    margin-bottom: 20px;
}