.download-list {
    margin: 0 auto;
    max-width: 1280px;
}
.download-list .item {
    width: 16.66%;
    margin-bottom: 60px
}
.download-list .item:nth-child(6n+1) {
    clear: left;
}
.download-list .box {
    margin: 0 auto;
    width: 200px;
    height: 200px;
    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 .pic {
    position: relative;
    overflow: hidden;
}
.download-list .pic:before {
    content: " ";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:url(../../images/common/download/down_icon.png)center center no-repeat,url(../../images/common/download/down_icon_bg.png);
    opacity: 0;
}
.download-list .box:hover .pic:before {
    border-color: #FF722E;
    opacity: 1;
}
.download-list .name {
    margin: 12px auto 0;
    width: 200px;
    font-size: 16px;
    font-weight: bold;
    color: #444444;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.download-list .box:hover .name  {
    color: #FF7660;
}
@media screen and (max-width: 1260px) {
    .download-list .item {
        width: 33.33%;
    }
    .download-list .item:nth-child(6n+1) {
        clear: none;
    }
    .download-list .item:nth-child(3n+1) {
        clear: left;
    }
}
@media screen and (max-width: 767px) {
    .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;
    }
}