@charset "UTF-8";

body {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  font-size: 14px;
  color: #000;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
html,body{
    box-sizing: border-box;
  }

a {
  color: #409EFF;
  text-decoration: none
}

a:focus,
a:hover {
  color: #66b1ff
}

a:active {
  color: #3a8ee6
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #444444;
  font-weight: inherit;
  margin: 0;
}

h1:first-child,
h2:first-child,
h3:first-child,
h4:first-child,
h5:first-child,
h6:first-child,
p:first-child {
  margin-top: 0
}

h1:last-child,
h2:last-child,
h3:last-child,
h4:last-child,
h5:last-child,
h6:last-child,
p:last-child {
  margin-bottom: 0
}

h1{
    font-size: 2.6em;
    line-height: 2.45em;
}
h2{
    font-size: 2.1em;
    line-height: 1.9em;
}
h3{
    font-size: 1.8em;
    line-height: 1.65em;
}
h4{
    font-size: 1.65em;
    line-height: 1.4em;
}
h5{
    font-size: 1.4em;
    line-height: 1.25em;
}

h4,
h5,
h6,
p {
  font-size: inherit
}

p {
  line-height: 1.8
}

sub,
sup {
  font-size: 13px
}

small {
  font-size: 12px
}

hr {
  /* margin-top: 20px; */
  margin-bottom: 20px;
  border: 0;
  border-top: 1px solid #eee
}

li {
  list-style: none;
}

ul {
  margin: 0;
}
button {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  outline: none;
  padding: 0;
}

button:focus,
input:focus,
select:focus,
textarea:focus {
  box-shadow: none;
  outline: #000 dotted 2px;
  outline-offset: .05em;
}


body {
  -webkit-align-items: center;  
  -ms-flex-align: center;  
  align-items: center;
  display: -webkit-flex;
  display: flex;
  overflow-x: hidden;
}
img {  
    display: block;
    height: auto;
    line-height: 2;
    position: relative;
    text-align: center;
   
    vertical-align: middle;
  }
  img::before {  
    content: "We're sorry, the image below is broken :(";
    display: block;
    margin-bottom: 10px;
  }
  
  img::after {  
    content: "(url: " attr(src) ")";
    display: block;
    font-size: 12px;
  }
  .content-header h1 {
    display: none;
    text-indent: -9999px;
    margin: 0 auto;
    width: 64px;
    height: 64px;
    background: #003579 url("../img/logo.png") no-repeat scroll;
}

.m5{margin: 5px;}
.m10{margin: 10px;}
.mt10{margin-top:10px !important;}
.ma{margin:0 auto;}
.w1200{width: 1200px;}
.mt20{margin-top:20px;}
.fl{float: left;}
.rl{float: right;}
.clearfix::after{display:table;clear:both;content:''}
.por{
    position: relative;
}
.poa{
    position: absolute;
}
.inb{ display: inline-block;}
.txa{text-align: center}
.gray{color:gray;}
.button {
  background-color: #003579;
  border: none;
  color: #ffffff;
  outline: none;
  padding: 12px 40px 10px;
  position: relative;
  left: 250px;
}
.button:before,
.button:after {
  border: 0 solid transparent;
  transition: all 0.25s;
  content: '';
  height: 24px;
  position: absolute;
  width: 24px;
}
.button:before {
  border-top: 2px solid #003579;
  left: 0px;
  top: -5px;
}
.button:after {
  border-bottom: 2px solid #003579;
  bottom: -5px;
  right: 0px;
}
.button:hover {
  background-color: #003579;
  color: #fff;
}
.button:hover:before,
.button:hover:after {
  height: 100%;
  width: 100%;
}
#scroll-top{
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: red;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 10px;
  transition: border .2s linear,color .2s linear,width .2s linear,background-color .2s linear;
}
.db {
  display: block;
}