html{
    width: 100%;
    overflow-x: hidden;
}

.body{
    width: 20rem;
    background-color: #ffffff;
    margin: 0 auto
}
.c-white{
    color: #ffffff !important;
}
.c-black{
    color: #000000 !important;
}

.font14{
    font-size: .14rem !important;
}
.font16{
    font-size: .16rem !important;
}
.img-cc{
    background-size: 100%;
    background-position: center;
    background-repeat: no-repeat;
}
/* 水平start */
.flex-row-start{
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
}
/* 水平左右居中 */
.flex-row-center{
    display: flex;
    flex-direction: row;
    justify-content: center;
}

/* 水平between */
.flex-lr-between{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
/* 垂直between */
.flex-tb-between{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
/* 垂直左右居中 */
.flex-column-lf-center{
    display: flex;
    flex-direction: column;
    align-items: center;
}
/* 垂直上下居中 */
.flex-column-tb-center{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

/* 垂直上下左右居中 */
.flex-column-tb-lf-center{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}