body{
    background-color: #fff;
    font-size: 0px;
  }
  /* 版心 */
  .container {
    min-width: 320px;
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
    background-color: #e9e9e9;
    height: 800px;
    /* height: 100%; */
  }
/* 顶部部分 */
 .xy_biaoti {
    width: 100%;
    height: 50px;
    position: fixed;
    left: 0;
    right: 0;
    z-index: 999;
  }
  .xy_biaoti_title{
    height: 50px;
    min-width: 320px;
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
    background-color: #64f6cf;
    position: relative;
  }
  .xy_biaoti_title a {
    display: block;
    width: 50px;
    height: 50px;
    /* background-color: blue; */
    position: relative;
    z-index: 999;
  }
  .xy_biaoti_title a p {
    /* width: 100%;
    height: 100%; */
    font-size: 20px;
    position: absolute;
    left: 10px;
    bottom: 10px;
    text-shadow: 1px 2px 3px rgba(0,0,0,0.5);
  }
  .xy_biaoti_title h1{
    text-align: center;
    width: 100%;
    position: absolute;
    bottom: 8px;
    /* height: 70px;
    line-height: 70px; */
    color: #fff;
    font-size: 20px;
    font-weight: normal;
  }



  /*=======reset css========*/
*,
*::before,
*::after{
    /*所有的标签，和伪元素都选中*/
    margin: 0;
    padding: 0;
    /*移动端常用布局是非固定像素*/
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    /*点击高亮效果的清除*/
    tap-highlight-color: transparent;
    -webkit-tap-highlight-color: transparent;
}
body{
    font-size: 14px;
    font-family: "Microsoft YaHei",sans-serif;
    color: #333;
}
ul,ol{
    list-style: none;
}
a{
    text-decoration: none;
    color: #333;
}
input,textarea{
    border: none;
    outline: none;
    /*不允许改变尺寸*/
    resize: none;
    /*元素的外观  none没有任何样式*/
    /* -webkit-appearance: none; */
}
/*=======common css========*/
.f_left{
    float: left;
}
.f_right{
    float: right;
}
.clearFix::before,
.clearFix::after{
    content: "";
    display: block;
    visibility: hidden;
    height: 0;
    line-height: 0;
    clear: both;
}
.m_l10{
    margin-left:10px;
}
.m_r10{
    margin-right:10px;
}
.m_t10{
    margin-top:10px;
}
.m_b10{
    margin-bottom:10px;
}
/* 字体图标 */
@font-face {
  font-family: 'icomoon';
  src:  url('../fonts/icomoon.eot?ony7e7');
  src:  url('../fonts/icomoon.eot?ony7e7#iefix') format('embedded-opentype'),
    url('../fonts/icomoon.ttf?ony7e7') format('truetype'),
    url('../fonts/icomoon.woff?ony7e7') format('woff'),
    url('../fonts/icomoon.svg?ony7e7#icomoon') format('svg');
  font-weight: normal;
  font-style: normal;
  font-display: block;
}
/*使用精灵图的公用样式*/