* {
    padding: 0;
    margin: 0;
}

body {
    min-width: 1400px;
}

li,
a {
    list-style: none;
    text-decoration: none;
    color: #000;
}

input {
    outline: none;
}

img {
    display: block;
}

.w-1200 {
    width: 1200px;
    margin: 0 auto;
}

.mt-50 {
    margin-top: 50px;
}

.mt-40 {
    margin-top: 40px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mb-40 {
    margin-bottom: 40px !important;
}

.ml-20 {
    margin-left: 20px;
}

.ml-30 {
    margin-left: 30px;
}

.ml-40 {
    margin-left: 40px;
}

.pt-20 {
    padding-top: 20px;
}

.pt-30 {
    padding-top: 30px;
}

.pt-40 {
    padding-top: 40px;
}

.pb-40 {
    padding-bottom: 40px;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.bold {
    font-weight: bold;
}

.cl:after,
.clearfix:after {
    content: "\20";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden
}

.cl,
.clearfix {
    zoom: 1
}

.relative {
    position: relative;
}

.bg-gray {
    background: #f3f5f9;
}

.bg-white {
    background: #fff;
}

.flex{
    display: flex;
}
.aic{
    align-items: center;
}
.jcc{
    justify-content: center;
}
.jcs{
    justify-content: space-between;
}
.fdc{
    flex-direction: column;
}
.fww{
    flex-wrap: wrap;
}
.po_r{
    position: relative;
}