.download-list {
    margin: 0 -10px;
}
.download-list .item {
    width: 20%;
    padding: 0 10px;
}
.download-list .box {
    max-width: 230px;
    margin: 40px auto;
    position: relative;
    display: block;
}
.download-list .box .cover{
    font-size: 0;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 30;
}
.download-list .box:hover {}
.download-list .pic {
    position: relative;
    overflow: hidden;
}
.download-list .txt {
    padding-left: 45px;
    position: relative;
}
.download-list .name {
    padding-top: 15px;
}
.download-list .name a {
    font-size: 15px;
    font-weight: bold;
    line-height: 1.2;
    display: block;
    max-height: 52px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.ic-download {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all .3s ease;
    position: absolute;
    left: 0;
    top: 5px
}
@media screen and (max-width: 1000px) {
    .download-list .item {
        width: 50%;
    }
    .download-list .box {
        margin: 10px auto 20px;
    }
}
@media screen and (max-width: 400px) {
    .download-list .item {
        width: 100%;
    }
}