/* 逍遥梦布局工具类 */
.flex { display: flex; align-items: center; }
.flexb { display: flex; align-items: center; justify-content: space-between; }
.flexa { display: flex; align-items: center; justify-content: space-around; }
.flexmc { display: flex; flex-direction: column; align-items: center; justify-content: center; }