@charset "utf-8";
/* 设置基础字体大小 */
html {
    font-size:18px;
    background-color: #fff;
  }
  /* 小屏幕设备 */
  @media (max-width:576px) {
    html {
      font-size:12px;
    }
    body {
        max-width:(576px);

    }
  }

  @media (min-width:576px) and (max-width:768px) {

    html {
        font-size:14px;
      }
    body {
        max-width:(768px);
        margin:0px;
        padding:0px;
    }
  }
  /* 中等屏幕设备 */
  @media (min-width:768px) and (max-width:992px) {
    html {
      font-size:15px;
    }
    body {
        max-width:(992px);
        margin:0px;
        padding:0px;
    }
  }

  @media (min-width:992px) and (max-width:1200px){
    html {
      font-size:16px;
    }
    body {
        max-width:(1200px);
        margin:0px;
        padding:0px;
    }
  }

  /* 大屏幕设备 */
  @media (min-width:1200px) and (max-width:1400px) {
    html {
      font-size:17px;
    }
    body {
        max-width:(1400px);
        margin:0px;
        padding:0px;
    }
  }

  /* 超大屏幕设备 */
  
  @media screen and (min-width:1400px) {
    html {
      font-size:18px;
    }
  }

  @media screen and (min-width:1800px) {
    html {
      font-size:18px;
    }
  }
  body {
    font-family:Arial, sans-serif,"微软雅黑";
  }