/* 下载页面样式 */
.download_item{
    background: #FFFFFF;
    border: 1px solid #E7EAF3;
    margin-bottom: 14px;
    transition: all .5s;

    box-sizing: border-box;
    padding: 25px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.di_l{
    display: flex;
    align-items: center;
}

.di_l img{
    width: 16px;
    height: 16px;
    margin-right: 12px;
}

.di_l img:nth-child(2){
    display: none;
}

.di_l h3{
    font-size: 20px;
    color: #000000;
    line-height: 35px;
}

.di_R img{
    width: 32px;
    height: 32px;
    margin-left: 20px;
}

.di_R img:nth-child(2){
    display: none;
}

.download_item:hover{
    background: #1F3694;
    box-shadow: 0px 5px 20px 0px #D6D9E5;
}

.download_item:hover h3{
    color: #ffffff;
}

.download_item:hover .di_l img:nth-child(1){
    display: none;
}

.download_item:hover .di_l img:nth-child(2){
    display: block;
}

.download_item:hover .di_R img:nth-child(1){
    display: none;
}

.download_item:hover .di_R img:nth-child(2){
    display: block;
}

@media screen and (max-width: 998px){
    .download_item{
        padding: 20px;
    }

    .di_l h3{
        font-size: 18px;
        line-height: 30px;
    }

    .di_l img{
        width: 12px;
        height: 12px;
        margin-right: 10px;
    }

    .di_R img{
        width: 25px;
        height: 25px;
    }
}

@media screen and (max-width: 540px){
    .download_item{
        padding: 7px 12px;
        margin-bottom: 9px;
    }

    .di_l h3{
        font-size: 16px;
    }

    .di_l img{
        width: 10px;
        height: 10px;
        margin-right: 5px;
    }

    .di_R img{
        width: 16px;
        height: 16px;
        margin-left: 10px;
    }
}