.platformIntro .box {
  min-height: calc(100vh - 415px);
  background: #cbdbf6 url('./platformIntro-bg-1.png') no-repeat bottom center;
  background-size: cover;
  padding: 15px 0 266px;
  opacity: 80%;
}

.platformIntro .box .main {
  padding-top: 40px;
}

.platformIntro .box .main .title {
  position: relative;
  text-align: center;
  padding-bottom: 7px;
}

.platformIntro .box .main .title::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  border-radius: 2px;
  background: #2a82e4;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
}

.platformIntro .box .main .title h2 {
  font-size: 42px;
  color: #000;
  font-weight: 500;
}

.platformIntro .box .main .title p {
  font-size: 18px;
  color: #999;
  margin-top: 8px;
}

.platformIntro .box .main .article {
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  padding: 40px 46px;
  margin-top: 30px;
  margin-bottom: 20px;
}

.platformIntro .box .main .article .source span:last-child {
  margin-left: 40px;
}

.platformIntro .box .main .article p {
  font-size: 18px;
  font-weight: 400;
  line-height: 36px;
  text-indent: 2em;
}

.platformIntro .box .main .article p + p {
  margin-top: 1.25em;
}

.platformIntro .box .main .bottom {
  display: flex;
  gap: 30px;
}

.platformIntro .box .main .bottom .item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  padding: 40px 35px;
  height: 385px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
}

.platformIntro .box .main .bottom .item .icon {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: #4f6bfd;
  display: flex;
  justify-content: center;
  align-items: center;
  /* transition: all 0.3s ease-in-out; */
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.platformIntro .box .main .bottom .item:hover .icon {
  /* transform: rotateY(360deg); */
  animation: coinFlip 1s cubic-bezier(0.25, 0.46, 0.45, 1.9) forwards;
}

.platformIntro .box .main .bottom .item span {
  font-size: 24px;
  font-weight: 700;
  color: #2a82e4;
  display: block;
  margin-top: 15px;
}

.platformIntro .box .main .bottom .item p {
  font-size: 18px;
  line-height: 30px;
  margin-top: 30px;
}

@keyframes coinFlip {
  0% {
    transform: scale(1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  }
  50% {
    transform: scale(1.1);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
    filter: brightness(1.2);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  }
}

/* 移动端 */
#app.mobile.platformIntro .box {
  padding: 0.15rem 0 0.5rem;
  background-size: 150%;
}

#app.mobile.platformIntro .box .container {
  padding: 0 0.2rem;
}

#app.mobile.platformIntro .box .main {
  padding-top: 0.3rem;
}

#app.mobile.platformIntro .box .title {
  padding-bottom: 0.07rem;
}

#app.mobile.platformIntro .box .title h2 {
  font-size: 0.42rem;
}

#app.mobile.platformIntro .box .title p {
  font-size: 0.18rem;
  margin-top: 0.08rem;
}

#app.mobile.platformIntro .box .title::after {
  width: 0.5rem;
  height: 0.03rem;
  border-radius: 0.02rem;
}

#app.mobile.platformIntro .box .main .article {
  border-radius: 0.12rem;
  padding: 0.3rem 0.2rem;
  margin-top: 0.3rem;
  margin-bottom: 0.2rem;
}

#app.mobile.platformIntro .box .main .article .source span:last-child {
  margin-left: 0.4rem;
}

#app.mobile.platformIntro .box .main .article p {
  font-size: 0.18rem;
  line-height: 0.36rem;
}

#app.mobile.platformIntro .box .main .article p + p {
  margin-top: 0.36rem;
}

#app.mobile.platformIntro .box .main .bottom {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.2rem;
}

#app.mobile.platformIntro .box .main .bottom .item {
  padding: 0.4rem 0.2rem;
  height: 3.85rem;
  border-radius: 0.12rem;
}

#app.mobile.platformIntro .box .main .bottom .item .icon {
  width: 1.38rem;
  height: 1.38rem;
}

#app.mobile.platformIntro .box .main .bottom .item .icon img {
  width: 0.8rem;
}

#app.mobile.platformIntro .box .main .bottom .item span {
  font-size: 0.24rem;
  margin-top: 0.15rem;
}

#app.mobile.platformIntro .box .main .bottom .item p {
  font-size: 0.18rem;
  line-height: 0.3rem;
  margin-top: 0.3rem;
}