性別：女
.clearfix:before,
.clearfix:after,
.container:before,
.container:after,
.container-fluid:before,
.container-fluid:after,
.row:before,
.row:after {
content: " ";
display: table;
}
.clearfix:after,
.container:after,
.container-fluid:after,
.row:after {
clear: both;
}