/**!
* 更新日志
* date:2021-06-30
* author: gl;
*/
.update {
    padding: 110px 0 40px 0;
}

.update-hd {
    position: relative;
    height: 78px;
    text-align: center;
    background: url("../images/update/title_bg.png") no-repeat center;
}

.update-hd:before,
.update-hd:after {
    position: absolute;
    top: 50%;
    content: '';
    width: calc(50% - 241px);
    height: 1px;
    margin-top: -0.5px;
    background-color: #ececec;
}

.update-hd:before {
    left: 0;
}

.update-hd:after {
    right: 0;
}

.update-hd>p {
    color: #9399a5;
    font-size: 20px;
    line-height: 26px;
}

.update-hd>h3 {
    color: #1e252f;
    font-size: 36px;
}

/* 记录树 */
.update-items {
    padding-top: 123px;
}

.update-item {
    position: relative;
    padding-bottom: 70px;
    overflow: hidden;
}

.update-item:before {
    box-sizing: border-box;
    position: absolute;
    content: "";
    top: 0;
    left: 50%;
    width: 18px;
    height: 18px;
    transform: translateX(-50%);
    border-radius: 50%;
    border: 4px solid #fff;
    background-color: #3e7dfe;
    z-index: 10;
}

.update-item:after {
    position: absolute;
    content: "";
    width: 1px;
    left: 50%;
    top: 16px;
    bottom: 0;
    transform: translateX(-50%);
    background-color: #ececec;
}

.update-item:first-child:before {
    width: 24px;
    height: 24px;
}

.update-item:last-child:after {
    display: none;
}

.update-date {
    width: calc(50% - 34px);
    text-align: right;
}

.update-info {
    width: calc(50% - 34px);
}

.update-date .date {
    font-size: 16px;
}

.update-item:first-child .date {
    font-size: 18px;
    font-weight: bold;
}

.update-date .time {
    color: #9399a5;
}

.update-info .edition {
    font-size: 22px;
    color: #1e252f;
    margin-top: -6px;
    margin-bottom: 8px;
}

.update-item:first-child .edition {
    font-size: 28px;
    font-weight: bold;
}

.update-info .detail {
    font-size: 16px;
    color: #787d84;
}