html {
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  font-size: 100px;
}
body {
  line-height: 1.5;
  font-size: 14px;
    background: #F3F6F9;
  font-family:'PingFangSC-Regular', 'helvetica neue', tahoma, 'PingFang SC', 'microsoft yahei', arial, 'hiragino sans gb', sans-serif;
  -webkit-font-smoothing: antialiased;
}


html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td {
  margin: 0;
  padding: 0;
}
button,
input,
optgroup,
select,
textarea {
  color: inherit;
  font: inherit;
  margin: 0;
  padding: 0;
  border: 0;
  background: 0;
}
button:focus,
input:focus,
optgroup:focus,
select:focus,
textarea:focus {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
}
textarea {
  resize: none;
}
img {
  border: 0;
  vertical-align: bottom;
}
a {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
}
a,a:hover,a:active,a:visited,a:link,a:focus{
  -webkit-tap-highlight-color:rgba(0,0,0,0);
  -webkit-tap-highlight-color: transparent;
  outline:none;
  text-decoration: none;
}
ul,
li {
  list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-variant: normal;
}
  /* 定义滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
  background-color: rgba(240, 240, 240, 1);
}
 
/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar-track {
  box-shadow: inset 0 0 0px rgba(240, 240, 240, .5);
  border-radius: 10px;
  background-color: rgba(240, 240, 240, .5);
}
 
/*定义滑块 内阴影+圆角*/
::-webkit-scrollbar-thumb {
  border-radius: 10px;
  box-shadow: inset 0 0 0px rgba(240, 240, 240, .5);
  background-color: rgba(240, 240, 240, .5);
}
.clear:after{ content:"";
    height:0;
    overflow:hidden; 
    visibility:hidden;
    display:block;
    clear:both;
}



header{
    height: 72px;
    width: 100%;
    background: #fff;

}
header>ul{
    width: 1200px;
    margin: 0 auto;
    position: relative;
}
header>ul>li{
    float: left;
    line-height: 72px;
    font-size: 18px;
    color: #303133;
    cursor: pointer;
}
header>ul .logo-img{
   position: relative;
   height: 72px;
    margin-right: 74px;
   width: 203px;
}
header>ul .logo-img img{
    position: absolute;
    top: 50%;
    transform: translate(0,-50%);
}
.head_a{
    
    width: 72px;
    text-align: center;
}
.head_a  a{
  color: rgba(64,158,255,1);
}
.head_nav1{
    line-height: 72px;
    width: 131px;
    letter-spacing: 1px;
    margin-right: 18px;
    text-align: center;
    position: relative;
}
.head_nav1 ul{
    position: absolute;
    height: 0;
    width: 100%;
    overflow: hidden;
    z-index: 1;
}
.head_nav1:hover{
    color:#409EFF ;
}
.head_nav1:hover ul{
    position: absolute;
    width: 100%;
    height: 200px;
    transition: all ease .2s;
    color: #303133;
    overflow: visible;
    z-index: 3;
}
.head_nav1:hover svg{
  transform:rotate(90deg);
}
.head_nav1 ul li{
    border-left: 3px solid transparent;
    line-height: 50px;
    font-size: 14px;
    background: #F1F1F1;
    text-align:left;
    padding-left:45px;
}
.head_nav2 ul li{
    padding-left:5px;
}
/*.head_nav1 ul li:hover{
    background: #fff;
    color: #409EFF;
    border-left: 3px solid #409EFF;

}*/

#head_nav2{
     background: #fff;
    color: #409EFF;
    border-left: 3px solid #409EFF;
}



.head_nav1 ul:hover .head_linkage3{
    display: block;
}

/* 三级联动 */
.head_linkage3{
    display: none;
    position: absolute;
    width: 330px;
    height: 180px;
    left: 131px;
    top: 0;
    background: #fff;
    padding: 5px 20px 15px;
    font-size: 14px;
}
.head_linkage3 a{
    float: left;
    text-align: left;
    overflow: hidden;
    margin-right: 10px;
    width: 160px;
    height: 30px;
    line-height: 30px;
    white-space:nowrap;
    color: #303133;
    text-overflow:ellipsis;
}
.head_linkage3 a:hover{
    color: #409EFF;
}
.head_linkage3 a:nth-child(2n){
    margin-right: 0;
}
.head_linkage3 .head_linkage3_a{
    position: absolute;
    bottom: 8px;
    right: 5px;
    text-align: right;
    color: #C0C4CC;
}


/* 关于我们 */
.head_we{
    letter-spacing: 1px;
    margin-right: 18px;
    text-align: center;
}
.head_we a{
  color: #303133;
}
.head_we a:hover{
    color: #409EFF;
}
.head_right{
    float: right;
}
.head_right span{
    margin-left: 20px;
}
.head_right span:hover{
    color: #409EFF;
}






.footer{
    width: 100%;
    height: 310px;
     background: #303133; 
}
.footer>div{
    width: 1200px;
    margin: 0 auto;
    padding-top: 48px;
    position: relative;
}
.footer>div>div:nth-child(1){
    position: absolute;
    left: 0;
}
.footer>div>div:nth-child(1) img{
    width: 192px;
    margin-bottom: 60px;
}
.footer>div>div:nth-child(1) a{
    font-size: 14px;
    line-height: 20px;
    color:#bbb;
}
.footer>div>div:nth-child(1) a:hover p{
    color:#409EFF;
}
.footer>div>div:nth-child(1) p{
    margin-top: 15px;
    font-size: 14px;
    line-height: 20px;
    color:#bbb;
}

.footer>div>div:nth-child(2){
    position: absolute;
    right: 0;
    font-size: 18px;

}
.footer>div>div:nth-child(2) a{
    margin-right: 20px;
    color: #bbb;
}
.footer>div>div:nth-child(2) a:hover{
    margin-right: 20px;
    color: #409EFF;
}
.app{
    margin-right:135px;
}
.app>div:nth-child(2){
      margin-right:30px;
}
.app>div{
    float: right;
    margin-top: 40px;
   
}.app>div>div{
      border:5px solid #fff;
    border-radius:5px;
 }
.app div p{
    margin-top:18px;
    text-align: center;
    line-height: 18px;
    color:#BBBBBB;
}
}.app img{
     width:106px;
     height:106px;
     border-radius:5px;
 }