* {
  margin: 0;
  padding: 0;
}
li,
ul {
  list-style: none;
}
a {
  text-decoration: none;
}
i {
  font-style: normal;
}
html {
  font-size: 375px;
}
input,
select {
  outline: none;
}
img {
  border: none;
  display: block;
}
a,
button,
input,
textarea {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.content {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.content_img {
  width: 100%;
  height: auto;
}
.partake {
  height: 0.05333333rem;
  padding: 0 0.032rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 0 0.13333333rem 0.13333333rem 0;
  position: absolute;
  left: 0;
  top: 0.02666667rem;
  font-size: 0.032rem;
  color: #EEEEEE;
  letter-spacing: -0.00157333rem;
  line-height: 0.05333333rem;
}
.btn_box {
  padding: 0 0.05066667rem;
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  -webkit-justify-content: space-between;
  position: absolute;
  bottom: 0.048rem;
  left: 0;
  right: 0;
}
.btn_box.second {
  bottom: 0.45333333rem;
}
.btn_item {
  width: 0.28266667rem;
  height: 0.15066667rem;
  background: url("../img/btn.png") no-repeat center bottom;
  background-size: auto 100%;
  margin-left: 0.01333333rem;
}
.btn_item:active {
  width: 0.28266667rem;
  height: 0.15066667rem;
  background: url("../img/btn_act.png") no-repeat center bottom;
  background-size: 100%;
  margin-left: 0.01333333rem;
}
.know {
  width: 0.648rem;
  height: 0.12rem;
  position: absolute;
  left: 0.18rem;
  bottom: 0.25333333rem;
}