.installNeed{
    margin-bottom:60px;
    display: flex;
}
.installNeed >label{
    width: 165px;
    text-align: right;
    display: block;
}


.otherExplain{
    /*width:840px;*/
    height:395px;
    border:1px solid #EBEBEB;
    padding:20px 20px 0;
    box-sizing: border-box;
  margin-left: 30px;
}
.otherExplain .top{
    height:150px;
    border-bottom:1px solid #EBEBEB;
}

.otherInput{
    resize: none;
    border:none;
    display:block;
    width:550px;
    height:150px;
}

.addType{
    padding:10px 0;
}

.addIntro{
    position: relative;
    display:inline-block;
    margin-right:20px;
    background-image:url('../images/dynamic.png');
    background-repeat:no-repeat;
    vertical-align: bottom;
}

.addIntro.noMgrt{
    margin-right: 0;
}
.addIntro input{
    position: absolute;
    left:0;
    top:0;
    opacity: 0;
    -ms-filter: 'alpha(opacity=0)';
}

.addImg{
    width: 22px;
    height: 18px;
    background-position: -68px -5px;
}

.addRadio{
    width: 25px;
    height: 15px;
    background-position:-4px -7px
}

.addFile{
    width: 22px;
    height: 16px;
    background-position: -38px -5px;
}

.addIntro.noMgrt{
    margin-right: 0;
}

.pointer{
    position: relative;
    top: -2px;
    display:inline-block;
    margin-left:15px;
    width:5px;
    height:5px;
    background:rgba(255,186,0,1);
    border-radius:50%;
}

.introText{
    color:#999;
    font-size:12px;
}

.desItem .pointer{
    margin:0 5px 0 20px;
}

.fileList{
    padding:10px 0;
}
.fileList .listItem:nth-child(9n){
    margin-right:0;
}

.workAvDeret{
    position: absolute;
    color: #111;
    font-size: 12px;
    line-height: 1.7;
    padding: 20px;
    background: #fff;
    width: 260px;
    border: 1px solid #ccc;
    left: 20px;
    top:30px;
}

.fileItem:hover .delButton{
    display:block;
}

.fileItem{
    background-color:rgba(247,247,247,1);
}

.fileIcon{
    position: absolute;
    top: 10px;
    left: 20px;

    width:40px;
    height:40px;
    background-image:url('../images/dynamic.png');
    background-repeat: no-repeat;
}

.fileIcon.excel{
    background-position:-48px -29px;
}
.fileIcon.xlsx,.fileIcon.xls{
    background-position:-48px -29px;
}
.fileIcon.word{
    background-position:-3px -124px;
}
.fileIcon.docx,.fileIcon.doc{
    background-position:-3px -124px;
}
.fileIcon.rtf{
    background-position:-3px -124px;
}
.fileIcon.ppt{
    background-position:-96px -29px;
}
.fileIcon.rar{
    background-position: -99px -124px;
}
.fileIcon.zip{
    background-position: -99px -77px;
}
.fileIcon.txt{
    background-position:-53px -126px;
}
.fileIcon.pdf{
    background-position:-4px -174px;
}

.fileText {
    position: absolute;
    width: 70px;
    left: 50%;
    margin-left: -35px;
    bottom: 9px;
    font-size:12px;
    text-align: center;
    color:rgba(51,51,51,1);
    overflow: hidden;/*超出部分隐藏*/
    white-space: nowrap;/*不换行*/
    text-overflow:ellipsis;/*超出部分文字以...显示*/
}

.delButton{
    display:none;
    position: absolute;
    bottom:0;
    left:0;
    width:80px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    font-size:14px;
    color:#fff;
    letter-spacing: 4px;
    background:rgba(0,0,0,1);
    opacity:0.5;
    border-radius:0 0 3px 3px;
    cursor: pointer;
}

.fl{ float: left;}

.fileList .listItem:nth-child(9n){
    margin-right:0;
}

.listItem{
    position:relative;
    width:80px;
    height:80px;
    border-radius:3px;
    margin:0 9px 10px 0;
}

.imgItem img,.videoItem img{
    border: none;
    width: 100%;
    height: 100%;
}
.imgItem:hover .delButton{
    display:block;
}