body, html {
    margin: 0 auto;
    max-width: 100%;
    min-height: 100%;
    line-height: 1;
    font-size: 14px;
    background-color: #fff;
    font-family: '微软雅黑', 'helvetica neue', tahoma, 'hiragino sans gb', stheiti, 'wenquanyi micro hei', \5FAE\8F6F\96C5\9ED1, \5B8B\4F53, sans-serif;
    /*font-family: '微软雅黑', 'helvetica neue', tahoma, 'hiragino sans gb', stheiti, 'wenquanyi micro hei', \5FAE\8F6F\96C5\9ED1, \5B8B\4F53, sans-serif;*/
}

h1, h2, h3, h4, h5, h6, div, p, span, small, strong, time, b, big, em, i, ul, li, input, textarea, img, button {
    margin: 0;
    padding: 0;
    font-size: inherit;
}

h1, h2, h3, h4, h5, h6, strong, b {
    font-weight: normal
}

ul, li {
    list-style-type: none
}

a, img {
    -webkit-touch-callout: none
}

em, i {
    font-style: normal;
}

.clear {
    clear: both;
}

input, textarea, button {
    outline: none;
    resize: none;
    background: none;
    border: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

button {
    cursor: pointer;
    -webkit-appearance: button;
}

a {
    color: inherit;
    text-decoration: none;
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
}

a:link, a:active, a:hover, a:visited {
    text-decoration: none;
}
a {
    cursor: pointer;
}

.index_content{
    width: 100%;
    margin: 0 auto;
}
.swiper-container{
    width: 1200px;
    margin: 0 auto;
    height: 612px;
    overflow: hidden;
    position: relative;
}
.swiper-container img{
    width: 1200px;
    height: 612px;
}
.platform_bg{
    width: 100%;
    background: url("../img/platform_bg.png") no-repeat;
    background-size: 100% 100%;
}
.platform{
    width: 1200px;
    margin: 0 auto;
}
.index_title {
    width: 100%;
    margin-top: 30px;
    text-align: center;
}
.index_title h3{
    font-size: 32px;
    color: #530a0b;
    /*font-weight: bold;*/
}
.index_title h3 span{
    font-weight: bold;
}
.index_title h3 span:first-child{
    margin-right: 20px;
}
.index_title h3 span:nth-child(2){
    margin-left: 20px;
}
.index_title p{
    font-size: 20px ;
    color: #966a6a;
    margin-top: 20px;
}
.platform_text{
    font-size: 21px;
    color: #000;
    line-height: 35px;
}
.platform_text p{
    margin-top: 20px;
}
.advantage {
    width: 1200px;
    margin: 80px auto ;
}
.advantage_list{
    margin-top: 50px;
}
.advantage_list  li{
    float: left;
    width: 366px;
    height: 315px;
    position: relative;
    margin :0 0 50px 50px;
}
.advantage_list  li img{
    width: 100%;
}
.advantage_list li:nth-child(3n+1){
    margin-left: 0;
}
.advantage_list  li p{
    width: 100%;
    height: 50px;
    position: absolute;
    bottom: 0;
    left: 0;
    background: rgba(250,250,250,.5);
    border-radius: 10px;
    line-height: 50px;
    text-align: center;
    font-size: 22px;
    letter-spacing: 3px;
}
.about{
    width: 100%;
    text-align: center;
    background: url("../img/direction——bg.png")no-repeat;
    background-size: 100% 100%;
}
 .direction_logo{
     margin: 50px auto 80px  ;
 }
 .cooperation_logo img{
     margin: 50px auto   ;
 }