html,
body {
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  /* font-size: 1rem;
  line-height: 1.5; */
  height: 100%;
  overflow: hidden;
  position: relative;
}

* {
  /* box-sizing: border-box; */
}

ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  margin: 0;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

.ds_none {
  display: none !important;
}

.btn {
  box-sizing: content-box;
  position: fixed;
  bottom: 1rem;
  width: 15.2rem;
  height: 2.81rem;
  padding: 0 .5rem;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 1.13rem;
  border-radius: 22px;
  background: linear-gradient(180deg, #ffc760 0%, #e4ba77 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Argentum Sans";
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 100%;
  letter-spacing: 0;
  text-transform: uppercase;
  border: none;
}
.btn span {
  animation: flashAni 0.6s linear infinite alternate;
}
.btn::before {
  content: "";
  position: absolute;
  width: 21px;
  height: 21px;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: url("../images/hand.png") no-repeat;
  background-size: cover;
  animation: handsLeftAni 0.6s linear infinite alternate;
}
.btn::after {
  content: "";
  position: absolute;
  width: 21px;
  height: 21px;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: url("../images/hand.png") no-repeat;
  background-size: cover;
  transform: rotateY(180deg);
  animation: handsRightAni 0.6s linear infinite alternate;
}

@keyframes flashAni {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.1);
  }
}
@keyframes handsLeftAni {
  from {
    transform: translateX(5px) translateY(-50%);
  }
  to {
    transform: translateX(0px) translateY(-50%);
  }
}
@keyframes handsRightAni {
  from {
    transform: translateX(-5px) translateY(-50%) rotateY(180deg);
  }
  to {
    transform: translateX(0px) translateY(-50%) rotateY(180deg);
  }
}