.main-content .container:before {
    content: '';
    display: block;
    border-width: 1px 0;
    border-style: solid;
    border-color: #D8D8D8 transparent #fff;
    margin-bottom: 50px;
}
.download-list {
    margin: 0 auto;
    max-width: 1000px;
}
.download-list .item {
    width: 33.33%;
    padding: 0 7px;
}
.download-list .item:nth-child(3n+1) {
    clear: left;
}
.download-list .box {
    max-width: 256px;
    margin: 0 auto 50px;
    border: 4px solid #02225D;
    position: relative;
}
.download-list .box:hover {
    background: #02225D;
}
.download-list .box .cover{
    position: absolute;
    z-index: 30;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    font-size: 0;
}
.download-list .box:before {
    content: '';
    display: block;
    border: 1px solid #A98C29;
    position: absolute;
    top: -2px;
    bottom: -2px;
    left: -2px;
    right: -2px;
}
.download-list .tag {
    display: block;
    width: 110px;
    height: 25px;
    background: #02225D;
    color: #D2B74C;
    font-family: 'Gentium Basic', serif;
    font-size: 13px;
    font-weight: bold;
    line-height: 25px;
    letter-spacing: 0.15em;
    text-align: center;
    position: absolute;
    z-index: 10;
    left: 40px;
    top: -15px;
    -moz-transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -o-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    transform: rotate(90deg);
    -moz-transform-origin: top left;
    -webkit-transform-origin: top left;
    -o-transform-origin: top left;
    -ms-transform-origin: top left;
    transform-origin: top left;
}
.download-list .tag:after {
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 4px 0 4px 5px;
    border-color: transparent transparent transparent #fff;
    margin: 0 0 3px 8px;
}
.download-list .pic {
    position: relative;
    overflow: hidden;
}
.download-list .txt {
    padding: 10px 18px;
}
.download-list .name {
    color: #00205D;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 41px;
}
.download-list .box:hover .name {
    color: #fff;
}
@media screen and (max-width: 1200px) {
    .download-list {
        margin: 0 -7px;
        max-width: none;
    }
}
@media screen and (max-width: 767px) {
    .main-content .container:before {
        margin-bottom: 30px;
    }
    .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: 40px;
    }
}
@media screen and (max-width: 440px) {
    .download-list .item {
        width: 100%;
    }
    .download-list .item:nth-child(n) {
        clear: none;
    }
}