* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-overflow-scrolling: touch;
}
html,
body {
  width: 100%;
  height: 100%;
  font-size: 3.73333333vw;
  max-width: 450px;
  margin: 0 auto;
  position: relative;
}
html {
  overflow: auto;
}
img {
  display: block;
}
ul,
li {
  list-style: none;
}
input {
  font-size: 1rem;
}
a {
  text-decoration: none;
  color: #222;
  display: block;
}
@media screen and (min-width: 450px) {
  html,
  body {
    font-size: 16.8px;
  }
}
.pa {
  position: absolute;
  z-index: 10;
}
.clear:after {
  content: '';
  display: block;
  clear: both;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.hide {
  display: none;
}
.page {
  width: 100%;
  position: relative;
}
.btn1 {
  width: 88%;
  top: 16.5%;
  left: 6%;
}
.btn2 {
  width: 50.8%;
  top: 48.8%;
  left: 24.6%;
}
/*-------弹出框-------*/
.mask {
  position: fixed;
  z-index: 15;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
}
.dialog-box {
  position: fixed;
  z-index: 16;
  width: 80%;
  max-width: 21.42857143rem;
  top: 50%;
  left: 50%;
  background: #fff;
  border-radius: 0.28571429rem;
  -webkit-transform: translate(-50%, -50%);
}
.dialog_hd {
  position: relative;
  top: -0.21428571rem;
  font-size: 1.07142857rem;
  color: #fff;
  text-align: center;
  margin: 0 auto;
  width: 10rem;
  height: 2.85714286rem;
  border-top: 2.85714286rem solid #2AA5D1;
  border-left: 0.85714286rem solid transparent;
  border-right: 0.85714286rem solid transparent;
}
.dialog_title {
  width: 100%;
  top: -2.14285714rem;
}
.dialog_bd {
  padding: 1.7em 1.42857143rem 0.5em;
  color: #333;
  line-height: 1.6;
  max-height: 75vh;
  overflow: auto;
}
.dialog_ft {
  text-align: center;
  padding: 1.07142857rem;
}
.dialog_btn {
  text-align: center;
  margin: 0 1.07142857rem;
  background: #2AA5D1;
  display: inline-block;
  color: #fff;
  font-size: 1rem;
  line-height: 2.35714286rem;
  border-radius: 7.14285714rem;
  padding: 0 2rem;
}
.close {
  width: 1.42857143rem;
  right: 0.71428571rem;
  top: -2.85714286rem;
}
.msg .mask {
  z-index: 20;
}
.msg-content {
  position: fixed;
  top: 40%;
  left: 50%;
  z-index: 21;
  text-align: center;
  color: #FFFFFF;
  line-height: 2.85714286rem;
  padding: 0 2.14285714rem;
  background: rgba(40, 40, 40, 0.75);
  border-radius: 0.21428571rem;
  -webkit-transform: translate(-50%, 0);
}