/*banner背景图片动画*/
@-webkit-keyframes scale-bg {
  from {
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
  }
  to {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@keyframes scale-bg {
  from {
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
  }
  to {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
/*banner */
.section1 {
  position: relative;
  height: 90vh;
  overflow: hidden;
}
.section1 .index_banner {
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
}
.section1 .index_banner .item.slick-current .scaleBg {
  visibility: visible;
  -webkit-animation: scale-bg 6s linear forwards;
  animation: scale-bg 6s linear forwards;
  width: 100%;
  height: 100vh;
}
.section1 .index_banner .item {
  position: relative;
  width: 100%;
  height: 100vh;
}
.section1 .index_banner .item .items {
  background-size: cover;
  -webkit-background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: absolute;
  top: 0;
  left: 0;
}
.section1 .index_banner .item .inner {
  position: absolute;
  opacity: 0;
  transform: translateY(400px);
  -webkit-transform: translateY(400px);
  -webkit-transition: all 500ms ease;
  transition: all 500ms ease;
  padding-top: 18rem;
  width: 100%;
  height: 100vh;
}
.section1 .index_banner .item.active .inner {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
  -webkit-transition-delay: 100ms;
  transition-delay: 100ms;
}
.section1 .item .inner h2 {
  text-shadow: 2px 2px rgba(0, 0, 0, 0.5);
}
.section1 .item .inner h4 {
  text-shadow: 2px 2px rgba(0, 0, 0, 0.5);
}
.section1 .slick_txt {
  background-color: transparent;
  position: absolute;
}
.section1 .left {
  left: 0;
  top: 45%;
  width: 40px;
  height: 40px;
  background: #72BC49;
}

.section1 .right {
  right: 0;
  top: 45%;
  width: 40px;
  height: 40px;
  background: #72BC49;
}

.section1 .slick_txt .slick_arrow {
  width: 40px;
  height: 40px;
  text-align: center;
  line-height: 36px;
  background-repeat: no-repeat;
  background-position: center;
  margin-top: -18px;
  position: absolute;
  top: 50%;
  cursor: pointer;
  transition: all 500ms ease;
  -webkit-transition: all 500ms ease;
  opacity: 1;
}
.section1 .slick_txt:hover .slick_arrow {
  opacity: 1;
  visibility: visible;
}
.section1 .number {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  display: table;
  text-align: center;
  transform: translate(-50%, -50%);
}
.section1 .number span {
  width: 30px;
  height: 10px;
  margin: 15px 10px;
  cursor: pointer;
  position: relative;
  transition: all 500ms ease;
  -webkit-transition: all 500ms ease;
  background: #fff;
  display: inline-block;
  color: #72BC49;
  font-size: 10px;
  text-align: center;
  line-height: 10px;
}
.section1 .number span:after {
  content: "";
  display: inline-block;
  width: 30px;
  height: 10px;
  background: #72BC49;
  border: 1px solid #FFF;
  position: absolute;
  left: 0;
  bottom: 0;
  opacity: 0;
  visibility: hidden;
  transition: all 500ms ease;
  -webkit-transition: all 500ms ease;
}
.section1 .number span.active:after {
  opacity: 1;
  visibility: visible;
}
.slick-dots {
  position: absolute;
  bottom: 22px;
  display: none;
  width: 100%;
  padding: 0;
  margin: 0;
  list-style: none;
  text-align: center;
}
.slick-dots li {
  position: relative;
  display: inline-block;
  width: 20px;
  height: 20px;
  margin: 0 5px;
  padding: 0;
  cursor: pointer;
}
.slick-dots li button {
  font-size: 0;
  line-height: 0;
 display: none;
  width: 20px;
  height: 20px;
  padding: 5px;
  cursor: pointer;
  color: transparent;
  border: 0;
  outline: none;
  background: transparent;
}
.slick-dots li button:hover, .slick-dots li button:focus {
  outline: none;
}
.slick-dots li button:hover:before, .slick-dots li button:focus:before {
  opacity: 1;
}
.slick-dots li button:before {
  font-family: 'slick';
  font-size: 20px;
  line-height: 20px;
  color: #FFF;
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  content: '•';
  text-align: center;
  /*   opacity: .25;*/
  color: black;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
/*.slick-dots li.slick-active button:before
{
    opacity: .75;
    color: black;
}*/