.app-wrap {
  width: 100%;
  min-width: 1280px;
  margin: auto;
}

.main-container {
  width: 1440px;
  height: 100%;
  padding: 0 40px;
  margin: auto;
}

.header-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  padding: 25px 0;
  z-index: 900;
}

.header-wrap.fixed {
  box-shadow: 0 0 6px 0 rgba(255, 255, 255, 0.12);
}

.header-bg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  background-color: #131313;
  opacity: 0;
}

.header-wrap.fixed .header-bg {
  opacity: 1 !important;
}

.header-wrap .logo {
  height: 30px;
}

.header-wrap .btn-lang {
  float: right;
  height: 30px;
  line-height: 30px;
}

.home-banner {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

#home-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: url(../img/banner-top-new.png) no-repeat center;
  background-size: cover;
}

.home-banner .slogan {
  position: absolute;
  top: 44%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 46px;
  font-weight: bold;
  line-height: 1.4;
  height: auto;
}

.banner-slogan {
  width: 100%;
  height: 440px;
  background: url(../img/blue-bg.png) no-repeat center;
  background-size: cover;
  position: relative;
}

.banner-slogan .slogan {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 40px;
  font-weight: 500;
  line-height: 50px;
  text-align: center;
  width: 850px;
}

.banner-slogan .slogan::before {
  content: '';
  position: absolute;
  top: -45px;
  left: -110px;
  width: 78px;
  height: 60px;
  background: url(../img/icon-quot.png) no-repeat center;
  background-size: contain;
}

.footer-wrap {
  height: 64px;
}

.footer-wrap .copyright {
  float: right;
  font-size: 14px;
  color: #999;
  line-height: 64px;
}

.main-ct-wrap {
  height: 1500px;
}

.main-ct {
  padding: 80px 0 176px;
  position: sticky;
  top: 65px;
}

.main-ct .title-wrap {
  text-align: left;
  font-size: 18px;
  font-weight: bold;
  width: 1030px;
  margin: 0 auto;
  /* padding-top: 15px; */
  /* position: sticky;
  top: 100px; */
}

.main-ct .title-wrap .title {
  background-image: linear-gradient(to right, #70C7FF, #4041FF);
  -webkit-background-clip: text;
  -moz-background-clip: text;
  -ms-background-clip: text;
  color: transparent;
  font-size: 34px;
  line-height: 1.3;
  margin-top: 16px;
}

.main-ct .ct-wrap {
  margin-top: 80px;
  display: flex;
  align-items: center;
}

.main-ct .ct-wrap .info-wrap {
  flex: 1;
}

.main-ct .ct-wrap .ct-video {
  width: 600px;
  height: 466px;
  background: url(../img/banner-ct-new.png) no-repeat center;
  background-size: cover;
}

.ct-wrap .info-wrap {
  display: flex;
  height: 320px;
  font-size: 18px;
}

.ct-wrap .info-wrap .tab-wrap {
  padding-top: 25px;
}

.ct-wrap .info-wrap .tab-item {
  width: 70px;
  height: 50px;
  line-height: 50px;
  color: #666;
  /* cursor: pointer; */
}

.ct-wrap .info-wrap .tab-item.active {
  color: #fff;
}

.ct-wrap .info-wrap .des-item {
  height: 100%;
  display: none;
  /* opacity: 0; */
  /* transition: all 0.5s linear; */
}

/* .ct-wrap .info-wrap .des-item.active {
  display: block;
} */

.ct-wrap .info-wrap .des-title {
  color: #666;
}

.ct-wrap .info-wrap .des-ct {
  margin-top: 10px;
  line-height: 1.5;
  height: 280px;
  /* overflow-y: auto; */
}

.ct-wrap .info-wrap .line-wrap {
  width: 12px;
  height: 100%;
  margin: 0 35px;
  display: flex;
  justify-content: center;
  position: relative;
}

.ct-wrap .info-wrap .line-wrap .line {
  width: 4px;
  height: 100%;
  background-image: linear-gradient(180deg, rgba(255,255,255,0) 0%, #FFF 14%, rgba(255,255,255,0) 100%);
}

.ct-wrap .info-wrap .dot-wrap {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 42px;
}

.ct-wrap .info-wrap .dot-wrap .dot-item {
  width: 12px;
  height: 12px;
  background-color: #999;
  border-radius: 50%;
  margin-bottom: 40px;
  transition: all 0.3s linear;
}

.ct-wrap .info-wrap .dot-wrap .dot-item.active {
  background-color: #fff;
  box-shadow: 0 0 10px 6px rgba(255, 255, 255, 0.3);
}

@media screen and (min-width: 2000px) {
  .main-container {
    width: 1920px;
  }
}

@media screen and (max-width: 1920px) {
  .main-container {
    width: 1430px;
  }
}

@media screen and (max-width: 1440px) {
  .main-container {
    width: 1280px;
  }
}