body {
  background: #fff;
}
.swiper-slide {
  overflow: hidden;
  transform-origin: 0 0;
}

.swiper-container-vertical > .swiper-pagination-bullets {
  z-index: 99;
  right: 1%;
}

.swiper-pagination-bullet {
  width: 27px;
  height: 27px;
  margin: 0 0 20px;
  background: url(../images/page_icon.png) no-repeat center center;
  opacity: 1;
}

.swiper-pagination-bullet-active {
  background: url(../images/page_icona.png) no-repeat center center;
}

.banner {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.banner-font {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
}
.banner-img {
  width: 100%;
}

.banner img {
  width: 100%;
}
.banner-font img {
  opacity: 0;
  transform: translate3d(0, 50%, 0);
  transition: 1.2s 0.5s;
}
.banner-img img {
  transition: 3s 1s;
}

.banner .swiper-slide-active .banner-font img {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
.banner .swiper-slide-active .banner-img img {
  transform: matrix(1.1, 0, 0, 1.1, 0, 0);
}

/* 标题 */
.part-ad {
  font-size: 2.4vw;
  line-height: 3vw;
}
.part-ad span {
  display: block;
  color: #0a7ae0;
  background: url(../images/line-b.png) no-repeat 5vw center;
}
.part-ad p {
  color: #333;
}

/* 第1部分 */

.part1 {
  position: relative;
  background: url(../images/part1-bg.png) no-repeat 0 center;
}

.part1-main {
  padding: 0 6.4vw;
}

.part1-ul {
  display: flex;
  justify-content: space-between;
  width: 62.4vw;
  margin: 0 auto;
  padding: 3vw 0;
}

.part1-li:nth-child(1) {
  background: none;
}
.part1-li-num {
  display: flex;
  align-items: flex-end;
  font-size: 0.9vw;
  line-height: 1;
}
.part1-li-num span {
  font-size: 3.6vw;
  line-height: 3vw;
  color: #0a7ae0;
}
.part1-li-p {
  margin-top: 0.4vw;
  font-size: 0.9vw;
  line-height: 1.2vw;
  color: #333;
}

.part1-box {
  padding: 5vw 0 4vw 6vw;
  background: url(../images/part1-box.jpg) no-repeat right 0/61.4vw;
}

.part1-name {
  margin: 5vw 0 1.5vw;
  font-size: 1.2vw;
  line-height: 1.8vw;
  color: #333;
}
.part1-p {
  width: 42.6vw;
  height: 6.4vw;
  overflow: hidden;
  font-size: 0.8vw;
  line-height: 1.4vw;
  color: #333;
}

.part1-more {
  position: relative;
  z-index: 10;
  width: 10vw;
  margin-top: 1.2vw;
  margin-left: 32.6vw;
}
.part1-more a {
  display: block;
  font-size: 0.8vw;
  line-height: 2vw;
  color: #fff;
  text-align: center;
  background: #0a7ae0;
  border: 1px solid #0a7ae0;
  border-radius: 1.2vw;
}
.part1-more a:hover {
  color: #0a7ae0;
  background: #fff;
}

.part1-en {
  position: absolute;
  z-index: 1;
  left: 6.4vw;
  bottom: 3vw;
}

/* 第2部分 */

.part2 {
  position: relative;
  padding: 3vw 0;
  background: url(../images/part2-bg.jpg) no-repeat center 0 / cover;
  border-bottom: 5px solid #93d726;
}

.part2-main {
  width: 72vw;
  margin: 0 auto;
}

.part2-name {
  font-size: 2.4vw;
  line-height: 3vw;
  color: #fff;
}
.part2-detail {
  margin: 1vw 0;
  width: 42vw;
  font-size: 0.8vw;
  line-height: 1.4vw;
  color: #fff;
}

.part2-more {
  position: relative;
  z-index: 10;
  width: 6vw;
}
.part2-more a {
  display: block;
  font-size: 0.8vw;
  line-height: 2vw;
  color: #fff;
  text-align: center;
  border: 1px solid #fff;
  border-radius: 1.2vw;
}
.part2-more a:hover {
  color: #fff;
  background: #0a7ae0;
}

.part2-box {
  display: flex;
  justify-content: space-between;
  margin: 3vw 0 0;
}

.part2-left {
  width: 20.4vw;
}
.part2-right {
  width: 20.4vw;
}
.part2-center {
  width: 24vw;
}

.part2-li {
  position: relative;
}

.part2-li i {
  display: block;
  background: #8cd914;
}
.part2-li i img {
  width: 100%;
  transition: 0.3s;
}

.part2-li-layer {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  padding: 2.4vw 0 0 2vw;
}

.part2-li-icon {
  position: relative;
  overflow: hidden;
}
.part2-li-icon1 {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5vw;
  height: 5vw;
  background: #0a7ae0;
  border: 1px solid #0a7ae0;
  border-radius: 50%;
}
.part2-li-icon2 {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: 0;
  top: 0;
  width: 5vw;
  height: 5vw;
  border: 1px solid #0a7ae0;
  border-radius: 50%;
  opacity: 0;
  transition: 0.6s;
}
.part2-li-icon img {
  width: 2.5vw;
}

.part2-li-name {
  padding: 1.2vw 0;
  font-size: 1.5vw;
  line-height: 1.8vw;
  color: #333;
}
.part2-li-layer ul {
  opacity: 0;
}
.part2-li-layer ul li {
  padding: 0 0 0.5vw;
}
.part2-li-layer ul a {
  display: block;
  font-size: 0.9vw;
  line-height: 1.8vw;
  color: #333;
}

.part2-img {
  display: block;
  position: relative;
  padding: 0 0 1.56vw;
}
.part2-img i {
  display: block;
  background: #8cd914;
  cursor: pointer;
}
.part2-img i img {
  width: 100%;
  transition: 0.3s;
}
.part2-img-font {
  position: absolute;
  z-index: 1;
  left: 3vw;
  top: 2.8vw;
  font-size: 1.5vw;
  line-height: 1.8vw;
  color: #333;
}
.part2-li:hover i img {
  opacity: 0.1;
}
.part2-li:hover .part2-li-icon1 {
  opacity: 0;
}
.part2-li:hover .part2-li-icon2 {
  opacity: 1;
  transform: rotate(360deg);
}
.part2-li:hover .part2-li-layer ul {
  opacity: 1;
}
.part2-li-layer ul a:hover {
  color: #0a7ae0;
}

.part2-img:hover i img {
  opacity: 0.1;
}

/* 第3部分 */

.part3 {
  position: relative;
  padding: 0 0 5vw;
}

.part3-main {
  position: relative;
  width: 72vw;
  margin: 0 auto;
}
.part3-main .part-ad {
  padding: 4.5vw 0;
}
.part3-en {
  position: absolute;
  z-index: 1;
  right: 0;
  top: 2vw;
}
.part3-en img {
  width: 45vw;
}

.part3-box {
  position: relative;
}
.part3-box ul {
  display: flex;
}
.part3-box ul li {
  position: relative;
  width: 16.7%;
}
.part3-box ul i {
  display: block;
}
.part3-box i img {
  width: 100%;
}
.part3-li-name {
  position: absolute;
  left: 0;
  bottom: 2vw;
  width: 100%;
  height: 2.4vw;
  padding: 0 1vw;
  font-size: 0.9vw;
  line-height: 1.2vw;
  color: #fff;
}

/* 第4部分 */

.part4 {
  position: relative;
}

.part4-main {
  display: flex;
  justify-content: space-between;
}
.part4-left {
  width: 50%;
  height: 34.6vw;
  background: url(../images/part4-left.jpg) no-repeat 0 0 / cover;
}
.part4-left ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 4vw 8vw 0;
}
.part4-left ul li {
  width: 33.3%;
  padding: 0.4vw;
}
.part4-left ul li:nth-child(1) {
  margin-left: 1vw;
}
.part4-left i {
  display: block;
}
.part4-left i img {
  width: 100%;
}

.part4-title {
  margin-top: 8vw;
  padding-right: 8vw;
  text-align: right;
}
.part4-title .ch {
  font-size: 2.4vw;
  line-height: 3vw;
  color: #fff;
}
.part4-title .en {
  padding: 1vw 0 0;
}
.part4-title .en img {
  width: 26.4vw;
}

.part4-right {
  width: 50%;
  padding: 4vw 0 0 4vw;
  background: url(../images/part4-right.jpg) no-repeat 0 0 / cover;
}

.part4-name {
  padding: 0 0 0 1vw;
  color: #333;
  background: url(../images/shu.png) no-repeat 0 center;
}
.part4-name .ch {
  font-size: 1.5vw;
  line-height: 1.8vw;
}
.part4-name .en {
  font-size: 0.8vw;
  line-height: 1.2vw;
  text-transform: uppercase;
}
.part4-nav {
  padding: 2vw 0 0 1vw;
}

.part4-nav ul li {
  padding: 0 0 1vw;
}
.part4-nav ul a {
  display: block;
  font-size: 0.9vw;
  line-height: 1.4vw;
  color: #333;
}
.part4-nav ul a:hover {
  color: #0a7ae0;
}