*,
::before,
::after {
  margin: 0;
  padding: 0;
  /*清除移动端默认的点击高亮效果*/
  -webkit-tap-highlight-color: transparent;
  /*设置以边框开始计算宽度*/
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
body {
  /*设备默认字体*/
  font-family: "Microsoft YaHei", sans-serif;
  background: #FFFFFF;
}
a {
  color: #333;
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
ul,
ol {
  list-style: none;
}
input,
textarea,
button {
  border: none;
  outline: none;
}
textarea {
  resize: none;
}
input {
  /*清除移动端默认的表单样式*/
  -webkit-appearance: none;
}
input::-webkit-input-placeholder {
  /* WebKit browsers */
  color: #999999;
}
input:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #999999;
}
input::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #999999;
}
input:-ms-input-placeholder {
  /* Internet Explorer 10+ */
  color: #999999;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
  max-height: 266.64rem;
}
img {
  display: block;
}
p {
  max-height: 266.64rem;
}
i {
  display: block;
  font-style: normal;
}
.back {
  width: 0.61333333rem;
  height: 1.12rem;
  position: absolute;
  top: 0.82666667rem;
  left: 1.12rem;
  z-index: 9;
}
.back img {
  width: 100%;
  height: 100%;
}