.base-header {
    z-index: 99;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 66px;
    padding: 0 0 0 15px;
    background: linear-gradient(270deg, #1890ff 0%, #3875ea 100%);
    color: #fff;
    flex-shrink: 0;
}

.base-header .left-wrapper {
    position: relative;
    display: flex;
    flex: 1;
    align-items: center;
}

.base-header .left-wrapper .search_box {
    width: 295px;
    border-radius: 17px;
    overflow: hidden;
}

.base-header .left-wrapper .user_info {
    display: flex;
    align-items: center;
    margin-left: 30px;
}

.base-header .left-wrapper .user_info img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 50%;
}

.base-header .left-wrapper .user_info span {
    font-size: 16px;
}

.base-header .left-wrapper .user_info .status-box {
    position: relative;
    cursor: pointer;
}

.base-header .left-wrapper .user_info .status {
    display: flex;
    align-items: center;
    padding: 0 10px;
    margin-left: 5px;
    background: #eaffeb;
    color: rgba(0, 0, 0, 0.65);
    border-radius: 9px;
}

.base-header .left-wrapper .user_info .status .dot {
    width: 6px;
    height: 6px;
    margin-right: 3px;
    border-radius: 50%;
    background: #48d452;
}

.base-header .left-wrapper .user_info .status.off {
    background: #f3f3f3;
}

.base-header .left-wrapper .user_info .status.off .dot {
    background: #999;
}

.base-header .left-wrapper .user_info .online-down {
    z-index: 50;
    position: absolute;
    left: 0;
    bottom: -70px;
    width: 86px;
    background: #fff;
    color: #333;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.08);
    border-radius: 5px;
}

.base-header .left-wrapper .user_info .online-down .item {
    position: relative;
    display: flex;
    align-items: center;
    padding: 7px 10px 7px 30px;
    cursor: pointer;
}

.base-header .left-wrapper .user_info .online-down .item i {
    width: 10px;
    height: 10px;
    margin-right: 8px;
    border-radius: 50%;
    background: #999;
}

.base-header .left-wrapper .user_info .online-down .item i.green {
    background: #48d452;
}

.base-header .left-wrapper .user_info .online-down .item .iconfont {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
}

.base-header .left-wrapper .out-btn {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    width: 86px;
    height: 26px;
    line-height: 28px;
    text-align: center;
    background: #fff;
    border-radius: 16px;
    color: #3875ea;
    font-size: 13px;
    cursor: pointer;
}

.base-header .right-menu {
    display: flex;
    align-items: center;
    width: 280px;
}

.base-header .right-menu .menu-item {
    position: relative;
    margin: 0 30px;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    flex: 1;
    text-align: center;
}

.base-header .right-menu .menu-item.on {
    font-weight: 600;
}

.base-header .right-menu .menu-item.on::after {
    position: absolute;
    left: 0;
    bottom: -22px;
    content: '';
    width: 100%;
    height: 2px;
    background: #fff;
}