@charset "utf-8";
/*reset*/
html {
  -webkit-font-smoothing: antialiased;
  -ms-text-size-adjust:100%;
  -webkit-text-size-adjust: 100%; /* 2 */
  margin: 0;
  padding: 0; 
}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,dd,form,span,samp,p,a{
    font-size: 12px;
    font-weight: normal;
    margin:0;
    font-family:  "Microsoft YaHei", Helvetica, STHeiTi,"Helvetica Neue","微软雅黑",SimSun,sans-serif;
}

html,body{
  background: white;
  min-height: 100%;
}


ul,ol{
    padding-left:0; 
    list-style-type:none;
}

li{display: inline-block;}
i{font-style: normal;}

a { 
  cursor: pointer;
  color:#333;
  text-decoration: none;
  /*消除ie10灰色背景*/
  background-color: transparent;
  /*消除火狐虚线*/
  outline: none;
}

img {
  max-width: 100%;
/*  cursor: pointer;*/
  vertical-align: middle;
  border: 0 none;
}

body,button,input,select,textarea {
  font-size: 12px;
  font-family:  "Microsoft YaHei", Helvetica, STHeiTi,"Helvetica Neue","微软雅黑",SimSun,sans-serif;
  color:#3c3c3c;
  outline: none;
  resize: none;
}
button, input{
  /* 让 input 和 button 一样高 */
  line-height:normal;
}

figure{
  margin: 0;
  padding:0;
}

figure img{
 width: 100%;
}

button::-moz-focus-inner,
input::-moz-focus-inner{
  padding:0;
  border:0;
}
input[type="button"],
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: none;
}
a,button,input{
    -webkit-tap-highlight-color:rgba(0,0,0,0);
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
/* 统一上标和下标 */
sub, sup{
  font-size:75%;
  line-height:0;
  position:relative;
}
:root sub, :root sup{
  vertical-align:baseline; /* for ie9 and other modern browsers */
}
sup{
  top:-0.5em;
}
sub{
  bottom:-0.25em;
}
strong {
  font-weight: normal;
}
mark {
  background: none;
}
/*
input,button,select,textarea {
  -webkit-box-sizing: content-box;
     -moz-box-sizing: content-box;
          box-sizing: content-box;
}
 */
input[type="checkbox"],
input[type="radio"] {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0;
}
* {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
*:before,
*:after {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}




/*原子类*/
.wrapper:before,
.wrapper:after,
.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
}
.wrapper:after,
.clearfix:after {
  clear: both;
}
.wrapper,
.clearfix {
  zoom: 1;
}

.Left{
  float: left;
}

.Right{
  float: right;
}


// html {height: 100%;}
body {
  min-width: 320px; 
  max-width: 1920px; 
  line-height: 1.6; 
  margin: auto; 
}


.contain{max-width: 640px; margin: 0 auto; position: relative;}

.fixWidth{
  width: 90%;
  margin: 0 auto;
  position: relative;
}


.contain {
  min-height: 400px;
  text-align: center;
}

.contain .demo div{
  display: block;
  width: 100%;
  height: 40px;
  border-radius: 5px;
  border: 1px solid #999;
  margin-bottom: 20px;
  text-align: center;
  font-size: 14px;
  line-height: 40px;
}


.whiteBG {
  background: white;
}
.fullHeight {
  height: 100%;
}
.guideView:before {
  display: none;
}
.center {
  text-align: center;
}
.blue {
  color: #1e83d3;
}

/* --------- nav ------------*/
.nav {
  width: 100%;
  max-width: 640px;
  text-align: left;
  line-height: 45px;
  padding: 25px 0 35px;
}

.nav h1 {
  font-size: 2.5em;
  font-weight: bold;
}