img{
  display: block; width: 100%;height: 100%;margin: 0 auto;max-width: 800px;
}
.gotoWx{
  max-width: 800px;
  width: 100%;
  height: 80px;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  box-sizing: border-box;
  padding: 0 12px;
  margin: 0 auto;
}
.gotoWx img{
  width: 40px;
  height: 40px;
  margin: 0;
  display: block;
}
.gotoWx  span{
  display: block;
  width: calc(100% - 150px);
  padding-left: 15px;
}
.gotoWx .button{
  width: 98px;
  height: 38px;
  text-align: center;
  background-color: #1AAD17;
  cursor: pointer;
  color: #fff;
  line-height: 38px;
  font-size: 17px;
  font-weight: bold;
  border-radius: 19px;
}

.bottom{
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translate(-50%);
  max-width: 800px;
  width: 100%;
  height: 60px;
  background-color: #F8E71C;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  box-sizing: border-box;
  padding: 0 10px;
}
.bottom img{
  width: 40px;
  height: 40px;
  margin: 0;
  display: block;
}
.bottom  span{
  display: block;
  width: calc(100% - 250px);
  padding-left: 10px;
}
.bottom .button{
  width: 92px;
  height: 38px;
  text-align: center;
  background-color: #1AAD17;
  cursor: pointer;
  color: #fff;
  line-height: 38px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 19px;
  margin-right: 8px;
}