#app{
    position: relative;
    overflow: hidden;
}
.content-item{
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
}
/*浮动按钮*/
.fixed-service-btn{
    /*background-color: #0a8f72;*/
    width: 90px;
    position: fixed;
    bottom: 20%;
    z-index: 1000;
    right: 120px;
}
.fixed-service-btn .fixed-service-btn-item{
    background-color: #ffffff;
    border: 1px solid #dddddd;
    cursor: pointer;
    display: block;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
    padding: 8px;
    margin: 4px 0;
    overflow: hidden;
    opacity: 0.8;
}
.fixed-service-btn .fixed-service-btn-item:hover{
    opacity: 1;
}
@media screen and (max-width: 750px) {
    .fixed-service-btn{
        width: 60px;
        right: 0;
    }
}