*,
*:before,
*:after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html,
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
img {
    margin: 0px;
    padding: 0px;
    outline: none;
    border: 0px;
}

li {
    list-style: none;
}

body {
    text-align: left;
    font-family: '微软雅黑';
    color: #333333;
    background: #fff;
min-width:1600px;
}

html {
    font-size: 16px;
}

a,
ins {
    text-decoration: none;
}

a {
    color: #333333;
}

a:hover {
    text-decoration: none;
    transition: all 0.2s;
    -webkit-transition: all 0.2s;
    -o-transition: all 0.2s;
    -moz-transition: all 0.2s;
}

a:visited, a:active, a:focus {
    text-decoration: none;
}


.lf {
    float: left;
}

.rf {
    float: right;
}

.hidden {
    display: none;
}

.clearfix {
    zoom: 1;
}

.clearfix:after {
    clear: both;
    content: '';
    display: block;
    width: 0;
    height: 0;
    visibility: hidden;
}
.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}
.padding_20{
padding: 20px;
background-color: #fff;
margin-top: 50px;
}
.banner{
  width: 100%;
}
.content{
    width: 100%;
    background-color: #fff;
}
.contentWidth{
    /* width: calc(1200px + (100% - 1200px)/2); */
    width: 81.52%;
    float: right;
    font-size: 18px;
    line-height: 36px;
    color: #333;
    position: relative;
}
.margin_56{
    margin-top: 56px;
}
.margin_11{
    margin-top: 11px;
}
.width39{
    width: 39.3%;
    margin-right: calc(100% - 39.3%);
}
.indent2{
    text-indent: 2rem;
    z-index: 2;
}
.position_left{
    position: absolute;
    left: 0;
}
.width1200{
    max-width: 1200px;
    width: 100%;
}
.skew{
    width: 58%;
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
    max-width: 902px;
}
.art1{
    text-indent: 2rem;
}
.title1{
    background: url(one.png) no-repeat bottom left;
    border-bottom: 2px solid #215ac3;
    padding-left: 110px;
}
.title1>span{
    font-size: 24px;
    font-weight: bold;
    color: #215ac3; 
    max-width: 390px;
}
.img1{
    margin: 30px 0 0 0; 
}
.img1>img{
    max-width: 49%;
}
.title2{
    background: url(sencond.png) no-repeat bottom left;
    border-bottom: 2px solid #215ac3;
    padding-left: 110px;
    margin-top: 45px;
}
.title2>span{
    font-size: 24px;
    font-weight: bold;
    color: #215ac3; 
    line-height: 69px;
}
.img3{
    margin-top: 30px;
}
.title3{
    background: url(three.png) no-repeat bottom left;
    border-bottom: 2px solid #215ac3;
    padding-left: 110px;
    margin-top: 65px;
}
.title3>span{
    font-size: 24px;
    font-weight: bold;
    color: #215ac3; 
    line-height: 69px;
}
.article{
    margin-top: 30px;
}
.article_con{
    max-width: 650px;
width:55%;
}
.article2{
  margin-top: 35px;
}
.article2_con{
  width: 42%;
}
.article2_img{
  width: 57.8%;
}
.article3_con{
    max-width: 760px;
    margin-top: 80px;
   width: 64%;
}