* {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  box-sizing: border-box;
}
body {
  background-color: #4b237d;
  padding-bottom: 100px;
}
.page-img1 {
  width: 100vw;
  height: auto;
  > .bg {
    width: 100%;
    height: auto;
    display: block;
  }
}
.page-img2 {
  width: 100vw;
  height: auto;
  position: relative;
  > .bg {
    width: 100%;
    height: auto;
    display: block;
  }
}
.page-img2 .btn {
  position: absolute;
  width: 13rem;
  height: 3rem;
  left: 50%;
  transform: translateX(-50%);
  bottom: 30px;
}

.bttomCard {
  width: 90vw;
  background-color: #fff;
  padding: 10px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 9;
}
.bttomCard .logo {
  width: 5rem;
  height: 5rem;
  border-radius: 5px;
  overflow: hidden;
  position: absolute;
  top: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
}
.bttomCard .logo > img {
  width: 100%;
  height: 100%;
}

.bttomCard .cont {
  width: 100%;
  margin-top: 2.5rem;
  text-align: center;
  color: #666;
}
.bttomCard .cont .title {
  font-size: 1.2rem;
  font-weight: bold;
  color: #000;
}
@keyframes pulse {
  0% {
    transform: scale(0.8);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(0.8);
  }
}
.bttomCard .downloadBtn {
  width: 13rem;
  height: 3rem;
  animation: pulse 2s infinite ease-in-out;
  margin-top: 5px;
}
.bttomCard .downloadBtn > img {
  width: 100%;
  height: 100%;
}
.bttomCard .downloadBtn > span {
  display: none;
}

.flex-direction-row {
  flex-direction: row !important;
}
.flex-direction-row .logo {
  position: relative;
  flex-shrink: 0;
  top: 0;
  left: 0;
  transform: none;
}
.flex-direction-row .cont {
  margin-top: 0;
  margin-left: 1rem;
  text-align: left;
}
.flex-direction-row .cont > .cont-text {
  display: none;
}
.flex-direction-row .downloadBtn {
  flex-shrink: 0;
  animation: none;
  width: 5rem;
  height: 2rem;
  background-color: #4b237d;
  color: #fff;
  text-align: center;
  line-height: 2rem;
  border-radius: 3px;
}
.flex-direction-row .downloadBtn > img {
  display: none;
}
.flex-direction-row .downloadBtn > span {
  display: block;
}

/* 添加错误提示模态框样式 */
.modal {
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  max-width: 300px;
  width: 80%;
}

.modal-content p {
  margin: 15px 0;
  font-size: 16px;
  color: #333;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

.close:hover,
.close:focus {
  color: #000;
}

.hidden {
  display: none;
}