.pc_bg {
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: -5;
  width: 100vw;
  height: calc(100vh * 2);
  transition: border-radius 0.3s ease-in-out;
  background-color: #23c993;
  border-radius: 50%;
}

.pc_bg::after {
  position: absolute;
  right: 5%;
  bottom: 0;
  z-index: -1;
  width: 438px;
  height: 438px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  content: '';
  backdrop-filter: blur(10px);
}

.pc_bg::before {
  position: absolute;
  bottom: 0;
  left: 15%;
  z-index: -1;
  width: 270px;
  height: 270px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  content: '';
  backdrop-filter: blur(10px);
}

.pc_container footer {
  position: fixed;
  bottom: 20px;
  left: 50%;
  margin-bottom: 20px;
  opacity: 0.8;
  transform: translateX(-50%);
  text-align: center;
  font-size: 10px;
  font-weight: 500;
  line-height: 16px;
  color: var(--white);
}

@media screen and (max-width: 1400px) {
  .pc_bg {
    border-radius: 0;
  }
  .pc_bg::before,
  .pc_bg::after {
    display: none;
  }
}

.pc_container .center {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -65%);
}

.pc_container .center .title {
  font-size: 48px;
  font-weight: bold;
  line-height: 48px;
  color: var(--white);
}

.pc_container .center ul {
  margin-top: 51px;
}
.pc_container .center ul li:not(:last-child) {
  margin-right: 105px;
}
.pc_container .center ul li a {
  width: 183px;
  height: 183px;
  transition: background-color 0.3s ease-in-out;
  background-color: rgba(255, 255, 255, 0.66);
  border: 1px solid #ffffff;
  border-radius: 50%;
  backdrop-filter: blur(10px);
}
.pc_container .center ul li a:hover {
  background-color: rgba(255, 255, 255, 1);
}
.pc_container .center ul li a > .download_app_icon {
  width: 60px;
  height: 60px;
  margin-top: 39px;
}

.pc_container .center ul li a > p {
  margin-top: 8px;
  font-size: 22px;
  font-weight: bold;
  line-height: 32px;
  color: #23c993;
}

/* 移动端公共 */
.m_container .slogen {
  width: 8rem;
  height: 1.67rem;
  margin: 2.13rem auto 0 auto;
}

.m_container .btn {
  width: 5.47rem;
  height: 1.17rem;
  margin: 8.43rem auto 0 auto;
  background: var(--white);
  border-radius: 1.17rem 1.17rem 1.17rem 1.17rem;
}

.m_container .btn .download_app_icon {
  width: 0.43rem;
  height: 0.43rem;
  margin-right: 0.11rem;
}

.m_container .btn span {
  font-size: 0.43rem;
  font-weight: bold;
  line-height: 0.43rem;
  color: #23c993;
}