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

.download-list {
    margin: 0 -18px;
}

.download-list li:nth-child(4n+1) {
    clear: left;
}

.download-list li {
    width: 25%;
    padding: 0 18px 60px;
    position: relative;
}

.download-list li .box {
    margin: 0 auto;
    box-sizing: border-box;
}

.download-list .pic {
    margin: 0 auto;
    overflow: hidden;
    transition: all .3s ease;
    z-index: 10;
    position: relative;
}

.download-list li:hover .pic {
    margin: -10px 0 10px;

}

.download-list li .text:before,
.download-list li .text:after {
    content: '';
    width: 0%;
    height: 100%;
    background: #00a1e9;
    position: absolute;
    z-index: -1;
    display: block;
    top: 0;
    left: 0;
    opacity: 0;
    transition: all .3s ease;
}

.download-list li .text:after {
    background: #eaeaea;
    opacity: 1;
    width: 100%;
}

.download-list li:hover .text:before {
    opacity: 1;
    z-index: 1;
    width: 100%;
}

.download-list li .text {
    font-size: 14px;
    color: #1e1e1e;
    padding: 30px 40px 10px;
    margin: -24px auto 0;
    position: relative;
    font-family: 'Roboto';
}

.download-list li .name {
    display: inline-block;
    vertical-align: middle;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: calc(100% - 30px);
    z-index: 10;
    font-size: 15px;
    position: relative;
}


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

.download-list li .text i {
    display: inline-block;
    vertical-align: middle;
    font-size: 10px;
    margin: 0 5px 0 0;
    z-index: 20;
    position: relative;
}

.download-list li:hover .text i {
    color: #ffffff;
}

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

@media screen and (max-width:1200px) {
    .download-list li {
        width: calc((100% / 3) - 0.1px);
    }

    .download-list li:nth-child(3n+1) {
        clear: left;
    }

    .download-list li:nth-child(4n+1) {
        clear: none;
    }
}

@media screen and (max-width: 767px) {
    .download-list li {
        width: 50%;
        padding-bottom: 30px;
    }

    .download-list li:nth-child(2n+1) {
        clear: left;
    }

    .download-list li:nth-child(3n+1) {
        clear: none;
    }
}

@media screen and (max-width: 580px) {
    .download-list li .text {
        padding: 30px 10px 10px;
    }
}

@media screen and (max-width: 480px) {
    .download-list {
        margin: 0;
    }

    .download-list li {
        width: 100%;
    }
}