body {
  background-image: url("../images/bg.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

picture {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}
.app-logo {
  height: 47px;
  width: auto;
}
.mainTitle {
  font-weight: 500;
  color: #fff;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.mainContent {
  color: #fff;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  padding: 10px 0px;
  text-align: center;
  font-weight: normal;
}
.btnTitle {
  font-size: 14px;
}
.btnLink {
  font-size: 14px;
}
.button-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  padding-top: 17px;
  gap: 8px;
  flex-wrap: wrap;
}

.button {
  background-color: #393437;
  color: white;
  padding: 16px 8px;
  border-radius: 16px;
  text-decoration: none;
  transition: background-color 0.3s;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  flex: 1;
  white-space: nowrap;
  width: 23%;
  font-size: 14px;
}

.button:hover {
  background-color: #1b181a; /* 悬停时的背景颜色 */
}
.icon-text {
  font-size: 12px;
}
.footer-text {
  font-size: 12px;
}
.landing-bg {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  background-image: url("../images/landing-bg.jpg");
  background-repeat: no-repeat;
  background-position: center;
  border-radius: 16px;
  margin: 19px 0 23px 0;
  height: 100px;
  text-align: center;
  font-size: 16px;
}

@media (max-width: 768px) {
  body {
    background-image: url("../images/bg-h5.png");
  }
  /* .mainTitle {
    font-size: 20px;
  }
  .mainContent,
  .btnLink {
    font-size: 13px;
  }
  .btnTitle,
  .button,
  .landing-bg,
  .icon-text,
  .footer-text {
    font-size: 14px;
  } */
}