body,
button,
input,
select,
textarea {
    /* for ie */
    /*font: 12px/1 Tahoma, Helvetica, Arial, "宋体", sans-serif;*/
    font:400 14px/1 'Microsoft Yahei','PingFang SC',Avenir,'Segoe UI','Hiragino Sans GB',STHeiti,'Microsoft Sans Serif','WenQuanYi Micro Hei',sans-serif
    /* 用 ascii 字符表示，使得在任何编码下都无问题 */
}
#main-body{
    background: #fff;
}
body{
    background: #fff;
}
.white{
    color: #fff;
}
.red{
    color: red;
}
.blue{
    color: #2b3f7e;
}
.gray{
    color: #818181;
}
.yellow{
    color: #ffb933;
}
.green{
    color: #019a66;
}
.fontw{
    font-weight: bold;
}
.font16{
    font-size: 16px;
}
.font24{
    font-size: 24px;
}
.text-center{
    text-align: center;
}
.text-right{
    text-align: right;
}
.m-l-5{
    margin-left: 5px;
}
.m-r-5{
    margin-right: 5px;
}
.p-tb-10{
    padding: 10px 0;
}
.p-tb-20{
    padding: 20px 0;
}
.p-l-10{
    padding-left: 10px;
}
.p-r-10{
    padding-right: 10px;
}
.p-l-20{
    padding-left: 20px;
}
.p-r-20{
    padding-right: 20px;
}
.flex{
    display: flex;
}
.w1280{
    width: 1300px;
    max-width: 1300px;
    margin: 0 auto;
    padding-left: 10px;
    padding-right: 10px;
}
.clearfix:after, .clearfix:before {
    display: table;
    line-height: 0;
    content: "";
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.btn{
    border-radius: 5px;
    padding: 15px;
    border: none;
    cursor: pointer;
}
a.btn:hover{
    color: #fff;
}
.btn-mini{
    padding: 5px 10px;
    border-radius: 0px;
}
.btn-blue{
    background: #2b3f7e;
    color: #fff;
}
.btn-yellow{
    background: #ffb933;
    color: #fff;
}
.line {
    *width: 100%;
    height: 2px;
    margin: 10px 0;
    font-size: 0;
    overflow: hidden;
    background-color: #fff;
    border-width: 0;
    border-top: 1px solid #e0e4e8;
}
.line-dashed {
    border-style: dashed;
    background: transparent;
}
.d-flex {
    display: flex;
}

/* 垂直水平居中 */
.d-flex-center-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 垂直居中 */
.d-flex-center {
    display: flex;
    align-items: center;
}

.d-flex-start {
    display: flex;
    align-items: flex-start;
}

/* 两端对齐 */
.d-flex-between {
    display: flex;
    justify-content: space-between;
}

/* 水平居中 */
.d-flex-justify-center {
    display: flex;
    justify-content: center;
}

.align-items{
    align-items: center;
}
/* 垂直居中两端对齐 */
.d-flex-center-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-row-reverse {
    flex-direction: row-reverse;
}

.d-flex-center-between-end {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.flex-1 {
    flex: 1;
}

.flex-column {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-shrink {
    flex-shrink: 0;
}
.transition{
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}
.dx {
    text-transform: uppercase
}
@media only screen and (max-width:999px) {
    .w1280{
        width: 100%;
    }
    .fttop {
        display: none;
    }
    .footRul {
        display: none;
    }
}