* {
    margin: 0;
    padding: 0;
    font-family: "Microsoft YaHei";
    box-sizing: border-box;
    text-decoration: none;
}


/* 自定义滚动条样式 */
::-webkit-scrollbar-track {
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(144, 147, 153, .3);
    border-radius: 10px;
}

::-webkit-scrollbar {
    width: 16px;
    height: 16px;
}

::-webkit-scrollbar-track,
::-webkit-scrollbar-thumb {
    border-radius: 999px;
    border: 5px solid transparent;
}

::-webkit-scrollbar-thumb {
    min-height: 20px;
    background-clip: content-box;
}

::-webkit-scrollbar-corner {
    background: transparent;
}
/* 自定义滚动条样式 end*/

/* start */
.flex_row {
    display: flex;
    flex-direction: row;
}

.flex_column {
    display: flex;
    flex-direction: column;
}
/* end */