/* layout */
.body{
    font-family: "Source Han Sans CN";
}
.acea-row {
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-lines: multiple;
    -moz-box-lines: multiple;
    -o-box-lines: multiple;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    /* 辅助类 */
}
.acea-row.row-middle {
    -webkit-box-align: center;
    -moz-box-align: center;
    -o-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.acea-row.row-top {
    -webkit-box-align: start;
    -moz-box-align: start;
    -o-box-align: start;
    -ms-flex-align: start;
    -webkit-align-items: flex-start;
    align-items: flex-start;
}
.acea-row.row-bottom {
    -webkit-box-align: end;
    -moz-box-align: end;
    -o-box-align: end;
    -ms-flex-align: end;
    -webkit-align-items: flex-end;
    align-items: flex-end;
}
.acea-row.row-center {
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -o-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
}
.acea-row.row-right {
    -webkit-box-pack: end;
    -moz-box-pack: end;
    -o-box-pack: end;
    -ms-flex-pack: end;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
}
.acea-row.row-left {
    -webkit-box-pack: start;
    -moz-box-pack: start;
    -o-box-pack: start;
    -ms-flex-pack: start;
    -webkit-justify-content: flex-start;
    justify-content: flex-start;
}
.acea-row.row-between {
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -o-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}
.acea-row.row-around {
    justify-content: space-around;
    -webkit-justify-content: space-around;
}
.acea-row.row-column-around {
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    justify-content: space-around;
    -webkit-justify-content: space-around;
}
.acea-row.row-column {
    -webkit-box-orient: vertical;
    -moz-box-orient: vertical;
    -o-box-orient: vertical;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
}
.acea-row.row-column-between {
    -webkit-box-orient: vertical;
    -moz-box-orient: vertical;
    -o-box-orient: vertical;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -o-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}
/* 上下左右垂直居中 */
.acea-row.row-center-wrapper {
    -webkit-box-align: center;
    -moz-box-align: center;
    -o-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -o-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
}
/* 上下两边居中对齐 */
.acea-row.row-between-wrapper {
    -webkit-box-align: center;
    -moz-box-align: center;
    -o-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -o-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}