html {
  scroll-behavior: smooth;
}
  /* 滚动触发动画元素 */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 40ms; }

.hover\:shadow-xl:hover {
  --tw-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --tw-shadow-colored: 0 20px 25px -5px var(--tw-shadow-color), 0 8px 10px -6px var(--tw-shadow-color);
  box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}

.hover\:-translate-y-2:hover {
  --tw-translate-y: -0.5rem;
  transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y));
}
*, ::before, ::after{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-scroll-snap-strictness:proximity;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgb(59 130 246 / 0.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000; }

.transition-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}
.duration-300 {
transition-duration: 300ms;
}
.mt30{
  margin-top: 30px;
}
.mb20{
  margin-bottom: 20px;
}
.p20{
  padding: 20px;
}
.textCenter{
  text-align: center;
}
.textRight{
  text-align: right;
}
.textLeft{
  text-align: left;
}
.colorBlack{
  color: #000;
}
.colorWhite{
  color: #fff;
}

.w1200{
  width: 1200px;
  margin: 0 auto;
}
.w500{
  width: 500px;
  margin: 0 auto;
}
.flex-between{
  display: flex;
  justify-content: space-between;
}

.flex-around{
  display: flex;
  justify-content: space-around;
}
.topBanner {
  position: relative;
   height: 504px;
  display: flex;
  justify-content: center;
  min-width: 1200px;
  max-width: 2400px;
  margin: 0 auto;
}
.topBanner img {
  object-fit: cover;
}
.topBanner .bannerText{
    width: 1200px;
    position: absolute;
    top: 0;
    left: calc(50% - 600px);
    /* 小手 */
    cursor: pointer;
    margin: 0 auto;
    padding-top: 106px;
    box-sizing: border-box;
  
}

.topBanner .bannerText h4{
  font-weight: 600;
  font-size: 40px;
  color: #132D6B;
  margin-bottom: 28px;
  letter-spacing: 2px;
}

.topBanner .bannerText p{
  display: block;
  width: 690px;
  font-size: 20px;
  color: #132D6B;
  line-height: 35px;
}

.topBanner .bannerBtn{
  font-weight: 500;
  font-size: 18px;
  color: #2E5FF6;
  width: 160px;
  height: 52px;
  border: 2px solid #2E5FF6;
  text-align: center;
  line-height: 50px;
  background-color:transparent;
  margin-top: 50px;
  /* border-radius: 4px 4px 4px 4px; */
}