html {
  scroll-behavior: smooth;
}

.banner_container {
  position: relative;
  width: 100%;
  height: 700px;
  overflow: hidden;
  margin-bottom: 50px;
  overflow: hidden;
}

/* 背景图 */
.background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('banner.png');
  background-size: 100% 100%;
  background-position: center bottom;
  z-index: 1;
}
.banner_title{
  position: absolute;
  font-size: 50px;
  color: #fff;
  font-weight: bold;
  width: 83.3%;
  bottom: 70px;
  z-index: 20;
  left: 8%;
}
/* .banner_container img.Mask{
    position: absolute;
    z-index: 3;
    left: 0;
    right: 0;
    width: 100%;
    height: 700px;
   animation: move-forever 3s cubic-bezier(0.55,0.5,0.45,0.1) infinite;
  } */

.ty_more {
  border-radius: 50px;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 140px;
  height: 40px;
  border: 2px solid #00A4B1;
  padding: 0 8px 0 31px;
  color: #00A4B1;
  font-size: 16px;
  position: relative;
  z-index: 1;
  transition: 0.4s all;
}

.ty_more span {
  width: 30px;
  height: 30px;
  border-radius: 50px;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4;
}

.ty_more p {
  z-index: 4;
}

.ty_more img {
  transition: 0.5s all;
}

.ty_more .active {
  display: none;
}

.ty_more::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  transition: 0.3s all;
  border-radius: 50px;
}

.ty_more:hover p {
  color: #fff;
}

.ty_more:hover span {
  background-color: #00A4B1;
}

.ty_more:hover .active {
  display: block;
}

.ty_more:hover .no_active {
  display: none;
}

.ty_more:hover::before {
  width: 100%;
  background-color: #00A4B1;
  z-index: 2;
}


svg.waves {
  position: absolute;
  z-index: 3;
  left: 0;
  bottom: 0;
  width: 100%;
  min-height: 100px;
  max-height: 200px;
  overflow: auto;
  transform: rotateY(180deg);
}

.parallax>use:nth-child(1) {
  animation-delay: -2s;
  animation-duration: 5s;
}

.parallax>use:nth-child(2) {
  animation-delay: -3s;
  animation-duration: 8s;
}

.parallax>use:nth-child(3) {
  animation-delay: -4s;
  animation-duration: 11s;
}

.parallax>use:nth-child(4) {
  animation-delay: -5s;
  animation-duration: 8s;
}

.parallax>use {
  animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.1) infinite;
}

@keyframes move-forever {
  0% {
    transform: translate3d(85px, 0, 0)
  }

  100% {
    transform: translate3d(-90px, 0, 0)
  }
}


/* 导航 */
.breadcrumb {
  max-width: 100%;
  max-height: 70px;
  margin: 0 8%;
  display: flex;
  align-items: center;
  position: relative;
  font-size: 18px;
  color: #555555;
}

.breadcrumb img {
  margin-top: 4px;
}

.select_down {
  margin-left: 9px;
}

.Con {
  margin: 139px auto 183px auto;
  width: 83.3%;
}
.big_title{
  width: 81.2%;
  margin: 0 auto;
}
.big_title .title{
  font-size: 50px;
  color: #111;
  font-weight: bold;
  margin-bottom: 38px;
  text-align: center;
}
.big_title .text{
  font-size: 20px;
  line-height: 36px;
  color: #333;
  text-align: center;
  margin-bottom: 79px;
}
.Corporate_Spirit{
  background: url(Corporate-Spirit.png) no-repeat center;
  width: 100%;
  height: 600px;
  border-radius: 20px;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: right;
  margin-bottom: 161px;
}
.Corporate_Spirit .con{
  width: 22.5%;
  height: 60%;
  text-align: center;
  background-color: #fff;
  border-radius: 20px;
  margin-right: 3.8%;
}
.Corporate_Spirit .con img{
  margin-top: 19.1%;
}
.Corporate_Spirit .con>p.title{ 
  font-size: 30px;
  color: #004098;
  text-align: center;
  margin: 20px 0;
}
.Corporate_Spirit .con>p{ 
  font-size: 34px;
  color: #555;
}
.Program{
  width: 100%;
  margin-top: 70px;
}
.Program img{
  width: 38.7%;
  max-height: 620px;
  object-fit: cover;
  border-radius: 20px 0 20px 20px;
  float: left;
}
.Program .con{
  width: 61.3%;
  background-color: #F6F8FC;
  border-radius: 0 20px 20px 0;
  float: right;
}
.Program .con p{
  font-size: 18px;
  line-height: 30px;
  color: #000;
  width: 86.7%;
  text-align: center;
  margin: 0 auto 70px auto;
}
.Program .con p.title{
  font-size: 40px;
  line-height: 40px;
  font-weight: bold;
  margin: 80px auto 20px auto;
}
.Program_last .con{
  border-radius: 20px 0 0 20px;
  float: left;
}
.Program_last img{
  border-radius: 0 20px 20px 20px;
  float: right;
}