/*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 */

.changeBox {
  position: relative;
}
.changeBox .changeBox_sub1 .item {
  background-size: cover;
  -webkit-background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 100vh;
  position: relative;
}
.changeBox .changeBox_sub1 .item.slick-current .scaleBg {
  visibility: visible;
  -webkit-animation: scale-bg 6s linear forwards;
  animation: scale-bg 6s linear forwards;
}
.changeBox .changeBox_sub1 .items {
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.changeBox .changeBox_sub1 .items:after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.1);
}

.changeBox .slick_txt {
  width: 30%;
  height: 100%;
  background-color: transparent;
  transition: all 500ms ease;
  -webkit-transition: all 500ms ease;
  background-repeat: no-repeat;
  position: absolute;
  top: 0;
  font-size: 0;
  outline: none;
  border: 0;
}
.changeBox .left {
  left: 0;
}
.changeBox .right {
  right: 0;
}
.changeBox .slick_txt:hover .slick_arrow {
  opacity: 1;
  visibility: visible;
}
.changeBox .slick_txt .slick_arrow {
  width: 20px;
  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: 0;
  visibility: hidden;
}

.changeBox .number {
  position: absolute;
  bottom: 8%;
  left: 50%;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0);
  display: table;
  padding: 0 20px;
  width: 80%;
  text-align: center;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
}
.changeBox .number .inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.changeBox .number .changeItem {
  width: 33%;
  height: 240px;
  transition: all 0.5s ease;
  position: relative;
  cursor: pointer;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  /* background-color: #f4f6f9; */
  background-image: url(../images/bg321.jpg);
  /* background-position: top; */
}
.changeBox .number .changeItem::before {
  content: "";
  opacity: 0;
  display: block;
  width: 0;
  height: 0;
  position: absolute;
  left: 0;
  top: 0;
  border-top: 4px solid #fff;
  border-left: 4px solid #fff;
  transition: ease 1s;
  box-sizing: border-box;
  z-index: 1;
  pointer-events: none;
}
.changeBox .number .changeItem::after {
  content: "";
  opacity: 0;
  display: block;
  width: 0;
  height: 0;
  position: absolute;
  right: 0;
  bottom: 0;
  border-bottom: 4px solid #fff;
  border-right: 4px solid #fff;
  transition: ease 1s;
  box-sizing: border-box;
  z-index: 1;
  pointer-events: none;
}
.changeBox .number .changeItem.active {
  width: 33%;
  height: 240px;
  background-image: none;
  background-color: #0636be;
}
.changeBox .number .changeItem.active::before {
  width: 100%;
  height: 100%;
  opacity: 0.8;
}
.changeBox .number .changeItem.active::after {
  width: 100%;
  height: 100%;
  opacity: 0.8;
}
.changeBox .number .changeItem.active .text1 {
  opacity: 0;
}
.changeBox .number .changeItem.active .text2 {
  opacity: 1;
  margin: 40px auto;
}
.changeBox .number .changeItem a {
  margin-top: 30px;
  display: block;
  text-align: left;
  color: #fff;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.changeBox .number .changeItem a img {
  width: 20px;
  display: block;
  margin-left: 10px;
}
.changeBox .number .changeItem .text1 {
  text-align: center;
  position: absolute;
  top: 40px;
  width: 100%;
}
.changeBox .number .changeItem .text1 .img {
  margin-bottom: 20px;
}
.changeBox .number .changeItem .text1 p {
  font-size: 18px;
  text-align: center;
  font-weight: 700;
}
.changeBox .number .changeItem .text2 {
  position: absolute;
  opacity: 0;
  width: 86%;
  left: 7%;
}
.changeBox .number .changeItem .text2 h3 {
  font-size: 20px;
  font-weight: normal;
  color: #fff;
  text-align: left;
  opacity: 0;
  transition: all 0.5s ease;
  transition-delay: 0.3s;
}
.changeBox .number .changeItem .text2 p {
  font-size: 15px;
  font-weight: normal;
  color: #fff;
  text-align: left;
  margin-top: 10px;
  width: 100%;
  opacity: 0;
  transition: all 0.5s ease;
  transition-delay: 0.3s;
}
.changeBox .number .changeItem.active .text2 p {
  opacity: 1;
}
.changeBox .number .changeItem.active .text2 h3 {
  opacity: 1;
}
.changeBox .number .changeItem:nth-of-type(1) {
  /* background-image: url(../images/changeItem_img1.jpg); */
}
.changeBox .number .changeItem:nth-of-type(2) {
  /* background-image: url(../images/changeItem_img3.jpg); */
}
.changeBox .number .changeItem:nth-of-type(3) {
  /* background-image: url(../images/changeItem_img2.jpg); */
}
.changeBox .number .changeItem:nth-of-type(1).active {
  /* background-image: url(../images/changeItem_img1-1.jpg); */
}
.changeBox .number .changeItem:nth-of-type(2).active {
  /* background-image: url(../images/changeItem_img3-1.jpg); */
}
.changeBox .number .changeItem:nth-of-type(3).active {
  /* background-image: url(../images/changeItem_img2-1.jpg); */
}

.changeBox .changeBox_sub1 .item .inner .block_txt {
  width: 80%;
  position: absolute;
  top: 22%;
  /* right: 10px; */
  left: 10%;
  opacity: 0;
  transform: translateY(40px);
  -webkit-transform: translateY(40px);
  -webkit-transition: all 500ms ease;
  transition: all 500ms ease;
}
.changeBox .changeBox_sub1 .item.active .inner .block_txt {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
  -webkit-transition-delay: 100ms;
  transition-delay: 100ms;
}
.changeBox .changeBox_sub1 .item .inner .block_txt h4 {
  font-size: 30px;
  color: #fff;
  text-align: left;
  font-family: "COCO";
}
.changeBox .changeBox_sub1 .item .inner .block_txt h2 {
  color: #fff;
  font-size: 70px;
  font-weight: bold;
  text-align: left;
  letter-spacing: 5px;
  margin-bottom: 20;
}
.changeBox .changeBox_sub1 .item .inner .block_txt h2 span {
  color: #f5c920;
  display: inline-block;
  letter-spacing: 5px;
}
.changeBox .changeBox_sub1 .item .inner .block_txt h3 {
  color: #fff;
  font-size: 20px;
  text-align: left;
  margin-top: 10px;
  /* letter-spacing: 3px; */
}
@media screen and (max-width:992px) {
  .changeBox .changeBox_sub1 .item {
    height: 400px;
  }
}