@media screen and (min-width: 320px) {
  html {
    font-size: 21.33333333px;
  }
}
@media screen and (min-width: 360px) {
  html {
    font-size: 24px;
  }
}
@media screen and (min-width: 375px) {
  html {
    font-size: 25px;
  }
}
@media screen and (min-width: 411px) {
  html {
    font-size: 27.4px;
  }
}
@media screen and (min-width: 414px) {
  html {
    font-size: 27.6px;
  }
}
@media screen and (min-width: 768px) {
  html {
    font-size: 51.2px;
  }
}
.f12 {
  font-size: 0.24rem;
}
.f14 {
  font-size: 0.28rem;
}
body {
  color: #333;
  background: #fff;
  position: relative;
  margin: 0 auto;
  text-align: center;
}
.hidden {
  display: none;
}
body {
  background-color: #f0f0f0;
}
p {
  margin: 0;
  padding: 0;
}
.ac-content {
  background-color: #f0f0f0;
}
.ac-content .ac-page-dd {
  position: fixed;
  bottom: 3.2rem;
  right: 0.6rem;
  background-color: #fff;
  border: 1px #d8d8d8 solid;
  width: 1.6rem;
  height: 1.6rem;
  color: #333;
  font-size: 0.56rem;
  border-radius: 50%;
  overflow: hidden;
}
.ac-content .ac-page-dd .ac-page-cur,
.ac-content .ac-page-dd .ac-page-total {
  line-height: 1.4;
  font-size: 0.56rem;
  position: relative;
}
.ac-content .ac-page-dd .ac-page-total {
  font-size: 0.44rem;
  color: #666;
}
.ac-content .ac-page-dd .ac-page-total:after {
  content: ' ';
  position: absolute;
  width: 70%;
  height: 1px;
  left: 0;
  right: 0;
  margin: auto;
  bottom: 14px;
  background-color: #D8D8D8;
}
.ac-content .ac-page-dd .ac-page-top {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 54%;
  height: 80%;
  margin: auto;
  background-image: url("icon-top.png");
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0;
  transition: opacity 0.3s ease;
}