.download-list {
    margin: 0 -7px;
}
.download-list .item {
    width: 25%;
    padding: 0 7px;
}
.download-list .item:nth-child(4n+1) {
    clear: left;
}
.download-list .box {
    max-width: 322px;
    margin: 0 auto 60px;
    text-align: center;
	position:relative;
}
.download-list .box .cover{
	position:absolute;
	top:0;
	left:0;
	right:0;
	bottom:0;
	font-size:0;
}
.download-list .pic {
    position: relative;
    overflow: hidden;
    margin-bottom: 10px;
    border: 1px solid #D8D5DD;
}
.download-list .pic img {
    -moz-transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -o-transform: scale(1.1);
    -ms-transform: scale(1.1);
    transform: scale(1.1);
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}
.download-list .box:hover .pic img {
    -moz-transform: scale(1);
    -webkit-transform: scale(1);
    -o-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1);
}
.download-list .name a{
    color: #000;
    font-size: 13px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    height: 22px;
    transition: all .3s ease;
}
.download-list .box:hover .name a{
    color: #d90000;
}

@media screen and (max-width: 1000px) {
    .download-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .download-list .item {
        width: 50%;
    }
    .download-list .item:nth-child(3n+1) {
        clear: none;
    }
    .download-list .item:nth-child(2n+1) {
        clear: left;
    }
    .download-list .box {
        margin-bottom: 45px;
    }
}
@media screen and (max-width: 767px) {
    .download-list {
        margin: 0 -7px;
    }
    .download-list .box {
        margin-bottom: 30px;
    }
}
@media screen and (max-width: 500px) {
    .download-list .item {
        width: 100%;
    }
    .download-list .item:nth-child(n) {
        clear: none;
    }
}