.flex_row_start_start {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-start;
}

.flex_row_start_center {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
}

.flex_row_start_around {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-around;
}

.flex_row_start_between {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
}

.flex_row_start_evenly {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-evenly;
}

.flex_row_start_end {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-end;
}

.flex_row_center_start {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
}

.flex_row_center_center {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

.flex_row_center_around {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
}

.flex_row_center_between {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

.flex_row_center_evenly {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-evenly;
}

.flex_row_center_end {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
}

.flex_row_end_start {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: flex-start;
}

.flex_row_end_center {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: center;
}

.flex_row_end_around {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-around;
}

.flex_row_end_between {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
}

.flex_row_end_evenly {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-evenly;
}

.flex_row_end_end {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: flex-end;
}

.flex_column_start_start {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
}

.flex_column_start_center {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.flex_column_start_around {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-around;
}

.flex_column_start_between {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
}

.flex_column_start_evenly {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-evenly;
}

.flex_column_start_end {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
}

.flex_column_center_start {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.flex_column_center_center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.flex_column_center_around {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

.flex_column_center_between {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.flex_column_center_evenly {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
}

.flex_column_center_end {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.flex_column_end_start {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
}

.flex_column_end_center {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
}

.flex_column_end_around {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-around;
}

.flex_column_end_between {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
}

.flex_column_end_evenly {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-evenly;
}

.flex_column_end_end {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-end;
}

.hid_two_line {
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.header {
    height: 100px;
    position: relative;
    background-color: #F2F3F8;
}

.header .header_img {
    width: 152px;
    height: 35px;
}

.header .nav {
    margin-left: 368px;
}

.header .nav_item {
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
    white-space: nowrap;
    color: #00133A;
    font-size: 20px;
    font-weight: 600;
    font-family: PingFangSC, PingFang SC;
    margin-right: 66px;
    text-decoration: none;
}

.header .nav_item:last-of-type {
    margin-right: 0;
}

.header .active {
    position: relative;
    bottom: 3px;
    color: #00288E;
    font-size: 25px;
}

.header .active::after {
    position: absolute;
    bottom: -10px;
    left: 0;
    z-index: 9;
    display: block;
    content: '';
    width: 100%;
    height: 5px;
    background: #00288E;
    border-radius: 5px;
}