/*------------ download ------------*/

.download-list li:nth-child(6n+1) {
    clear: left;
}

.download-list li {
    width: 16.66%;
    padding: 0 0 80px;
}

.download-list li .box {
    max-width: 160px;
    margin: 0 auto;
    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;
    margin: 0 0 30px;
}

.download-list .pic img {
    position: relative;
    z-index: 10;
}

.download-list .pic:after {
    content: "";
    width: 160px;
    height: 160px;
    background: #fbfbfb;
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 0;
}

.download-list .pic:before {
    content: "";
    top: 5px;
    right: 5px;
    left: 5px;
    bottom: 5px;
    position: absolute;
    z-index: 15;
    background: rgba(0, 0, 0, 0.30);
    opacity: 0;
    transition: all .2s;
}

.download-list .box:hover .pic:before {
    opacity: 1;
    transition: all .2s;
}

.download-list li .text {
    margin: 15px 0 0 0;
}

.download-list li .name  {
    line-height: 1.2;
    color: #333;
    font-size: 17px;
    font-weight: bold;
    margin: 0 -10px 0 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.download-list li .box:hover .name  {
    color: #000;
}


/*------------ rwd ------------*/

@media screen and (max-width:1200px) {
    .download-list li {
        width: calc((100% / 4) - 0.1px);
    }
    .download-list li:nth-child(6n+1) {
        clear: none;
    }
    .download-list li:nth-child(4n+1) {
        clear: left;
    }
    .download-list {
        margin: 0 auto;
        max-width: 950px;
    }
}

@media screen and (max-width:900px) {
    .download-list li {
        width: calc((100% / 3) - 0.1px);
        padding: 0 0 60px;
    }
    .download-list li:nth-child(4n+1) {
        clear: none;
    }
    .download-list li:nth-child(3n+1) {
        clear: left;
    }
}

@media screen and (max-width:600px) {
    .download-list li {
        width: 50%;
        padding: 0 0 30px;
    }
    .download-list li:nth-child(3n+1) {
        clear: none;
    }
    .download-list li:nth-child(2n+1) {
        clear: left;
    }
}

@media screen and (max-width:480px) {
    .download-list li {
        width: 100%;
    }
}