.download-list {
    margin: 0 -6px;
}
.download-list .item {
    width: 25%;
    padding: 0 6px;
}
.download-list .item:nth-child(4n+1) {
    clear: left;
}
.download-list .box {
    max-width: 160px;
    padding-right: 104px;
    margin: 0 auto 20px;
    border: 1px solid #80CAA5;
    background: #fff;
    position: relative;
}
.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 {
    background: #F2FAF6;
}
.download-list .box:before {
    content: "";
    background: url('../../images/common/download/ic.png') no-repeat;
    width: 40px;
    height: 40px;
    display: block;
    position: absolute;
    bottom: 12.5%;
    right: 32px;
    -webkit-transition: background 0.3s;
    -o-transition: background 0.3s;
    transition: background 0.3s;
}
.download-list .box:hover:before {
    background-position: 0 100%;
}
.download-list .pic {
    position: relative;
    overflow: hidden;
}
.download-list .pic:before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.3);
    opacity: 0;
    -webkit-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;
}
.download-list .box:hover .pic:before {
    opacity: 1;
}
.download-list .name {
    text-align: center;
    font-size: 15px;
    font-weight: bold;
    line-height: 1.2;
    display: inline-block;
    width: 80px;
    height: 36px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    position: absolute;
    right: 12px;
    top: 15%;
}
.download-list a:hover .name {
    color: #80CAA5;
}
@media screen and (max-width: 1380px) {
    .download-list .item {
        width: 33.33%;
    }
    .download-list .item:nth-child(4n+1) {
        clear: none;
    }
    .download-list .item:nth-child(3n+1) {
        clear: left;
    }
}
@media screen and (max-width: 680px) {
    .download-list .item {
        width: 50%;
    }
    .download-list .item:nth-child(3n+1) {
        clear: none;
    }
    .download-list .item:nth-child(2n+1) {
        clear: left;
    }
}
@media screen and (max-width: 470px) {
    .download-list .item {
        width: 100%;
    }
    .download-list .item:nth-child(n) {
        clear: none;
    }
}