.borDer {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
}

.transforms {
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
}

.textEls {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.content {
    padding-top: 160px;
}

.content .class-select {
    padding-top: 32px;
}

.resource-demo {
    width: 845px;
    float: right;
}

.resource-demo .top-sort {
    width: 100%;
    height: 40px;
    background: #fbfcfe;
    box-shadow: 0px 4px 8px 0px rgba(57, 70, 122, 0.06);
    border-radius: 4px;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    padding-left: 24px;
    line-height: 40px;
    margin-bottom: 24px;
}

.resource-demo .top-sort span {
    font-size: 12px;
    color: rgba(39, 51, 99, 0.25);
    margin-right: 20px;
    padding-right: 14px;
    cursor: Pointer;
    display: inline-block;
}

.resource-demo .top-sort .volume {
    font-size: 12px;
    position: relative;
}

.resource-demo .top-sort .volume:after {
    content: '';
    position: absolute;
    right: 0;
    top: 14px;
    width: 12px;
    height: 12px;
    transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
}

.resource-demo .top-sort .volume.cur {
    color: #00bcd4;
}

.resource-demo .top-sort .volume.cur:after {
    background: url(/erqi/images/down-icon.png) no-repeat center;
}

.resource-demo .top-sort .up-time {
    position: relative;
}

.resource-demo .top-sort .up-time:after {
    content: '';
    position: absolute;
    right: 0;
    top: 14px;
    width: 12px;
    height: 12px;
}

.resource-demo .top-sort .up-time.cur {
    color: #00bcd4;
}

.resource-demo .top-sort .up-time.cur:after {
    transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    -o-transform: rotate(180deg);
    background: url(/erqi/images/down-icon.png) no-repeat center;
}

.resource-demo .res-boxs {
    width: 100%;
    height: auto;
}

.resource-demo .res-list .page {
    padding-top: 20px;
}

.resource-demo .res-list ul li {
    width: 100%;
    height: auto;
    background: #ffffff;
    box-shadow: 0px 2px 8px 0px rgba(57, 70, 122, 0.08);
    border-radius: 4px;
    margin-bottom: 16px;
    overflow: hidden;
    padding: 20px 32px;
    padding-left: 104px;
    position: relative;
    cursor: pointer;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
}

.resource-demo .res-list ul li:last-child {
    margin-bottom: 0;
}

.resource-demo .res-list ul li .img {
    position: absolute;
    left: 32px;
    top: 50%;
    margin-top: -20px;
    width: 40px;
    height: 40px;
}

.resource-demo .res-list ul li .sub {
    position: relative;
}

.resource-demo .res-list ul li .sub .load-btn {
    position: absolute;
    right: 0px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f1f3f8;
    top: 50%;
    margin-top: -20px;
    cursor: pointer;
}

.resource-demo .res-list ul li .sub .load-btn:after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 16px;
    height: 16px;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    background: url(/erqi/images/download.png) no-repeat;
}

.resource-demo .res-list ul li .sub .load-btn span {
    position: absolute;
    left: -1px;
    top: -15px;
    width: 42px;
    height: 28px;
    padding-bottom: 4px;
    line-height: 24px;
    font-size: 12px;
    color: #ffffff;
    text-align: center;
    background: url(/erqi/images/Group.png) no-repeat;
    transition: all 0.3s ease;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    opacity: 0;
}

.resource-demo .res-list ul li .sub .load-btn:hover {
    background-color: #ff9100;
    box-shadow: 0 8px 16px rgba(255, 145, 0, 0.3);
}

.resource-demo .res-list ul li .sub .load-btn:hover:after {
    background: url(/erqi/images/download-hover.png) no-repeat;
}

.resource-demo .res-list ul li .sub .load-btn:hover span {
    display: block;
    top: -32px;
    opacity: 1;
}

.resource-demo .res-list ul li .sub h4 {
    font-size: 16px;
    color: #1a2241;
    line-height: 16px;
    font-weight: bold;
    margin-bottom: 12px;
}

.resource-demo .res-list ul li .sub .keyword {
    font-size: 0;
}

.resource-demo .res-list ul li .sub .keyword span {
    display: inline-block;
    padding: 0 8px;
    height: 20px;
    background: #f5f6fa;
    border-radius: 3px;
    font-size: 12px;
    color: rgba(26, 34, 65, 0.79);
    margin-right: 8px;
    line-height: 20px;
}

.resource-demo .res-list ul li .sub .keyword span.seek {
    color: #26c6da;
    padding-left: 24px;
    background: #e0f7fa url(/erqi/images/eyes.png) no-repeat 8px center;
}

.resource-demo .res-list ul li .sub p {
    margin-top: 16px;
    font-size: 14px;
    color: rgba(26, 34, 65, 0.59);
    line-height: 14px;
}

.resource-demo .res-list ul li:hover {
    background: #ffffff;
    box-shadow: 0px 16px 32px 0px rgba(57, 70, 122, 0.2);
    border-radius: 6px;
    position: relative;
}

.resource-demo .res-list ul li:hover:after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(360deg, #ff9100 0%, #ff6d00 100%);
}