.flex-box-v {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-flow: column wrap;
  flex-flow: column wrap;
  -webkit-justify-content: center;
  justify-content: center;
}

.jt{animation:arrow1440 3s cubic-bezier(0.5,0,0.1,1) infinite;-webkit-animation:arrow1440 3s cubic-bezier(0.5,0,0.1,1) infinite;transform: translate(0%, -20px);}

@keyframes arrow1440{ 
  
0%,100%{    transform: translate(0%, -10px);opacity:1;} 
50%{    transform: translate(0%, -20px);opacity:.5} 

}


/*banner*/
.Banner-container {
  height: 80vh;
  min-height: 600px;
  max-height: 800px;
  width: 100%;
}
.banner-background {
  background-size: cover;
  background-position: center;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
}
.banner-slide {
  display: flex;
  flex-flow: column;
  justify-content: center;
  overflow: hidden;
}
.banner-text {
  margin: 0 auto;
  width: 90%;
  max-width: 1200px;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}
.banner-text h1 {
  font-weight: bold;
  font-size: 52px;
  margin-bottom: 30px;
  color: #fff;
}
.banner-text h2 {
  display:none;
  position:relative;
  margin-top: 1rem;
  padding-top: 30px;
  color: #fff;
  font-size: 20px;
  font-weight: normal;
  font-family: arial;
}

.banner-text h2:before{
  content:'';
  position:absolute;
  left: 50%;
  top:0;
  margin-left: -50px;
  height:2px;
  width:100px;
  background:#fff;
  z-index:1;
}

.banner-text h2 span{
  font-size: 14px;
  display: inline-block;
  margin-top: 40px;
  letter-spacing: 30px;
}
.banner-bg-ss {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.1);
}
.banner-text {
  z-index: 10;
  text-align: center;
}
.banner-text:before {
  content: "";
  position: absolute;
  width: 300px;
  height: 400px;
  display: block;
  border: 10px solid rgba(255, 255, 255, 0.2);
  top: 4.5rem;
  margin-top: -200px;
  left: -6rem;
  display:none;
}
.small-title {
  color: #fff;
  margin-bottom: 1rem;
  font-size: 40px;
  font-family: 'Oswald', sans-serif;
}
/*.banner-warpper.swiper-wrapper {
transition-timing-function: cubic-bezier(0.75, 0.22, 0.25, 1);
}
.banner-warpper.swiper-wrapper .banner-background {
transition-timing-function: cubic-bezier(0.75, 0.22, 0.25, 1);
will-change: transform;
}*/
.banner-switch {
 position: absolute;
 z-index: 30;
 right: auto;
 /* bottom: 14%; */
 top: 45%;
 height: 70px;
 left: 0;
 /* margin-left: -150px; */
 color: #fff;
 display: flex;
 margin-top: 0px;
 border-radius: 10px;
 background: rgba(0, 144, 227, 0);
 width: 100%;
 /* justify-content: flex-end; */
 align-items: center;
 text-transform: uppercase;
}

.banner-switch .prev-btn{ float:left;}
.banner-switch .next-btn{float:right;position: absolute;right: 0;}

.banner-switch > div > * {
  display: inline-block;
  vertical-align: middle;
}
.sL_icon {
  background-size: contain;
  width: 35px;
  height: 60px;
  background-repeat: no-repeat;
  background-position: center;
}
.banner-switch > div > span {
  margin: 0 0.5rem;
  font-size: 0.825rem;
}
.banner-switch > div {
  margin: 0.3rem 2rem;
}
.banner-switch > div {
  cursor: pointer;
  transition: 0.5s;
}
.swiper-button-disabled {
  opacity: 0.4;
}
.Scroll-tip {
  position: absolute;
  z-index: 5;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  max-width: 100px;
  color: #fff;
  text-align: center;
}
.Tipss {
  text-transform: uppercase;
  font-size: 0.825rem;
}
.tip_anim {
  display: inline-block;
  margin: 0.75rem 0;
  height: 30px;
}
.Tipss span {
  display: block;
}
.tip_anim span {
  display: inline-block;
  width: 1px;
  height: 100%;
  background: #fff;
  animation-name: scrollTip;
  animation-duration: 2s;
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(0.82, 0.24, 0.25, 1);
}
.Banner-A1 {
  z-index: 1;
}
@keyframes scrollTip {
  0% {
    transform: scale(1, 0);
    transform-origin: top;
  }
  49% {
    transform: scale(1, 1);
    transform-origin: top;
  }
  51% {
    transform: scale(1, 1);
    transform-origin: bottom;
  }
  100% {
    transform: scale(1, 0);
    transform-origin: bottom;
  }
}
.banner-background {
  transition: 1s 2.5s;
  transform: perspective(1000px) translate3d(0, 0, 100px);
}
.swiper-slide.banner-slide.swiper-slide-active .banner-background {
  transition: 5s 0s;
  transform: perspective(1000px) translate3d(0, 0, 0px);
}
.banner-text:before {
  transition-delay: 2s;
  transition-duration: 2s;
  transform: translate3d(-80px, 0, 0);
  opacity: 0;
}
.swiper-slide.banner-slide.swiper-slide-active .banner-text:before {
  transition-delay: 1.3s;
  transform: translate3d(0px, 0, 0);
  opacity: 1;
}
.swiper-slide.banner-slide.swiper-slide-active .banner-text *:nth-child(1) {
  transition-delay: 0.5s;
}
.swiper-slide.banner-slide.swiper-slide-active .banner-text *:nth-child(2) {
  transition-delay: 0.7s;
}
.swiper-slide.banner-slide.swiper-slide-active .banner-text *:nth-child(3) {
  transition-delay: 0.9s;
}
.banner-text * {
  transition-delay: transform 2s, opacity 0s;
  transition-duration: 2s;
  transform: translate3d(0, 80px, 0);
  opacity: 0;
}
.swiper-slide.banner-slide.swiper-slide-active .banner-text * {
  transform: translate3d(0, 0px, 0);
  opacity: 1;
}
@media screen and (max-width: 1600px) {
  .banner-text {
    max-width: 1000px;
    width: 80%;
  }
}
@media screen and (max-width: 1200px) {
  .banner-text:before {
    content: "";
    position: absolute;
    width: 300px;
    height: 400px;
    display: block;
    border: 10px solid rgba(255, 255, 255, 0.2);
    top: 4.5rem;
    margin-top: -200px;
    left: 50%;
    margin-left: -150px;
    display:none;
  }
  .banner-text h2:before {
    left: calc((100% - 100px)/2);
}
  .banner-text {
    text-align: center;
  }
  .banner-text h2 {
    font-size: 1.5rem;
  }
}
@media screen and (max-width: 769px) {
  .banner-switch {
    top: auto;
    bottom: 2rem;
    left: 5%;
    right: 5%;
    justify-content: center;
    align-items: center;
    display: none;
  }
    .banner-text h2:before {
    left: calc((100% - 60px)/2);
    width:60px;
    MARGIN-LEFT: 0PX;
}
  .banner-text h1 {
    font-size: 36px;
    line-height: 1.2;
  }
  .banner-text h2 {
    font-size: 14px;
    line-height: 1.4;
  }
  .small-title {
    font-size: 2rem;
  }
  .banner-text:before {
    opacity: 0;
  }
  .Scroll-tip {
  bottom: 72px;
}
  
  
}



.swiper-wrapper .swiper-slide:nth-child(1) .banner-text{text-align: center;}

.swiper-wrapper .swiper-slide:nth-child(1) .banner-text h1 {font-size: 60px;letter-spacing: 5px;}

.swiper-wrapper .swiper-slide:nth-child(1) .banner-text h2 {font-size: 20px;}
 

.swiper-wrapper .swiper-slide:nth-child(1) .banner-text h2:before {/* left: 0%; *//* margin-left: 0px; */}

/*banner*/