.content{
    max-width: 1275px;
    margin: 0 auto;
}
.links-list {
    margin: 0 -7px;
}
.links-list .item {
    width: 25%;
    padding: 0 7px;
}
.links-list .item:nth-child(4n+1) {
    clear: left;
}
.links-list .box {
    max-width: 300px;
    margin: 0 auto;
    margin-bottom: 20px;
    position: relative;
}
.links-list .box .cover{
    font-size: 0;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index:30;
}
.links-list .pic {
    position: relative;
    margin-bottom: 5px;
}
.links-list .pic:before {
    content: " ";
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    border: 1px solid #DDDDDD;
}
.links-list .box:hover .pic:before {
    background: rgba(0,0,0,0.80) url(../../images/common/links/hover.png) no-repeat 50% 50%;
}
.links-list .txt {
    padding: 10px 15px;
}
.links-list .name {
    color: #444;
    font-size: 15px;
    font-weight: bold;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    height: 24px;
}
.links-list .url {
    color: #888;
    font-size: 13px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    height: 20px;
}
@media screen and (max-width: 1000px) {
    .links-list .item {
        width: 50%;
    }
    .links-list .item:nth-child(4n+1) {
        clear: none;
    }
    .links-list .item:nth-child(2n+1) {
        clear: left;
    }
}
@media screen and (max-width: 767px) {
    .links-list {
        margin: 0 -7px;
    }
    .links-list .item {
        padding: 0 7px;
    }
}
@media screen and (max-width: 600px) {
    .links-list .item {
        width: 100%;
    }
    .links-list .item:nth-child(n) {
        clear: none;
    }
}