html,
body {
  perspective: 1000px;
  position: relative;
  height: 100%;
  overflow: hidden;
}

.swiper-container {
  width: 100%;
  height: 100%;
}

.swiper-slide {
  overflow: hidden;
  transform-origin: 0 0;
}

.wrap {
  display: flex;
  position: relative;
  z-index: 6;
  width: 100%;
  height: 100%;
  padding: 60px 0 1.4rem;
}

/* 第1部分 */

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

.video-layer {
  position: absolute;
  z-index: 10;
  left: 0;
  top: 3rem;
  width: 100%;
  color: #fff;
  text-align: center;
}
.video-layer .big {
  font-size: 1rem;
  line-height: 1;
}
.video-layer .small {
  padding-top: 0.4rem;
  font-size: 0.48rem;
  line-height: 0.6rem;
}
.video-layer .small span {
  padding: 0 0.1rem;
}

.video-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  z-index: 10;
  left: 50%;
  top: 7.6rem;
  width: 3rem;
  margin-left: -1.5rem;
  background: #10408a;
  border-radius: 0.1rem;
}
.video-btn i {
  padding-right: 2px;
}
.video-btn i img {
  width: 0.42rem;
}
.video-btn p {
  font-size: 0.3rem;
  line-height: 0.6rem;
  color: #fff;
}

/*样式表*/
.video-bg {
  display: none;
  position: fixed;
  z-index: 99;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
}

.alerts {
  position: absolute;
  z-index: 99;
  left: 0;
  bottom: 10%;
  width: 100%;
  text-align: center;
}

.alerts img {
  width: 40px;
}

.video-bg div {
  display: flex;
  align-items: center;
  position: fixed;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.videos {
  width: 100%;
}

/* 第2部分 */

.part2 {
  position: relative;
  background: url(../images/mpart2-bg.jpg) no-repeat center 0 / cover;
}

.part2 .wrap {
  align-items: center;
}

.part2-main {
  width: 100%;
  padding: 0 0.2rem;
}

.part2-name .ch {
  padding: 0 0 5px;
  font-size: 18px;
  line-height: 20px;
  color: #10408a;
}

.part2-name .en {
  font-size: 12px;
  line-height: 16px;
  color: #999;
  text-transform: uppercase;
}
.part2-more {
  margin: 0.2rem 0 0.4rem 0;
}
.part2-more a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: #10408a;
  border-radius: 50%;
}
.part2-more a img {
  width: 12px;
}

.part2-p {
  height: 80px;

  overflow: hidden;
  font-size: 14px;
  line-height: 20px;
  color: #666;
}

.part2-img {
  padding: 0.6rem 0 0;
}
.part2-img img {
  width: 100%;
}

/* 第3部分 */

.part3 {
  position: relative;
  background: url(../images/mpart3-bg.jpg) no-repeat center 0 / cover;
}

.part3 .wrap {
  align-items: center;
}

.part3-main {
  width: 100%;
  padding: 0 0.2rem;
}

.part3-top {
  position: relative;
}

.part3-ad {
  padding: 0 0 0.3rem;
}
.part3-big {
  padding: 0 0 5px;
  font-size: 18px;
  line-height: 20px;
  color: #10408a;
}
.part3-small {
  font-size: 16px;
  line-height: 24px;
  color: #000;
}
.part3-small span {
  padding: 0 3px;
}

.part3-more a {
  display: block;
  font-size: 14px;
  line-height: 20px;
  color: #333;
}

.part3-arrow {
  position: absolute;
  right: 0;
  top: 0;
  display: flex;
  justify-content: space-between;
  width: 1rem;
}
.part3-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 0.42rem;
  height: 0.42rem;
  background: #10408a;
  border-radius: 50%;
  cursor: pointer;
}
.part3-btn img {
  width: 0.2rem;
}

.part3-box {
  margin: 0.6rem 0 0;
}
.part3-box .swiper-slide {
  padding: 0 0.1rem;
}
.part3-box a {
  position: relative;
  display: block;
  padding: 0 0.4rem;
  background: #fff;
}
.part3-li-num {
  position: absolute;
  z-index: 10;
  right: 0.2rem;
  bottom: 0.4rem;
  font-size: 0.3rem;
  line-height: 1;
  color: #999;
}
.part3-li-num::before {
  content: "";
  position: absolute;
  z-index: 5;
  left: 50%;
  top: -2.2rem;
  width: 1px;
  height: 2.4rem;
  background: #e7e7e7;
}

.part3-li-name {
  padding: 2.5vw 0 1vw;
}
.part3-li-name .ch {
  padding: 0 0 3px;
  font-size: 16px;
  line-height: 24px;
  color: #000;
}
.part3-li-name .en {
  height: 32px;
  overflow: hidden;
  font-size: 12px;
  line-height: 16px;
  color: #999;
  text-transform: uppercase;
  overflow: hidden;
}
.part3-li-p {
  height: 60px;
  overflow: hidden;
  font-size: 14px;
  line-height: 20px;
  color: #999;
}
.part3-li-img {
  margin: 0.2rem -0.5vw 0;
}
.part3-li-img img {
  width: 100%;
}

/* 第4部分 */

.part4 {
  position: relative;
  background: url(../images/part4-bg.jpg) no-repeat center 0 / cover;
}

.part4 .wrap {
  align-items: center;
}
.part4-main {
  width: 100%;
  height: 100%;
}

.part4-slide {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.2rem;
  background: #ecf2fc;
}

.part4-50 img {
  width: 1.6rem;
}

.part4-center {
  padding-right: 1rem;
}

.part4-name {
  font-size: 0.36rem;
  line-height: 0.48rem;
  color: #000;
}

.part4-ad {
  font-size: 12px;
  line-height: 16px;
}

.part4-more a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 0.42rem;
  height: 0.42rem;
  background: #10408a;
  border-radius: 50%;
}
.part4-more a img {
  width: 0.24rem;
}

.part4-box ul {
  display: flex;
  flex-wrap: wrap;
}
.part4-box li {
  position: relative;
  width: 3.2rem;
  padding: 0.1rem;
}
.part4-box li:nth-child(1) {
  margin-left: 0.4rem;
}
.part4-box li:nth-child(3) {
  margin-left: 0.7rem;
}
.part4-box li:nth-child(5) {
  margin-left: 1.1rem;
}
.part4-box li:nth-child(7) {
  margin-left: 0.3rem;
}
.part4-box li:nth-child(9) {
  margin-left: 0.8rem;
}

.part4-box li:nth-child(1)::before,
.part4-box li:nth-child(3)::before,
.part4-box li:nth-child(5)::before,
.part4-box li:nth-child(7)::before,
.part4-box li:nth-child(9)::before {
  content: "";
  position: absolute;
  z-index: 1;
  left: -3.3rem;
  top: 0.1rem;
  width: 3rem;
  height: 1.5rem;
  background: url(../images/part4-li-bg.png) no-repeat center center/cover;
}

.part4-box li:nth-child(2)::before,
.part4-box li:nth-child(4)::before,
.part4-box li:nth-child(6)::before,
.part4-box li:nth-child(8)::before,
.part4-box li:nth-child(10)::before {
  content: "";
  position: absolute;
  z-index: 1;
  left: 3.3rem;
  top: 0.1rem;
  width: 3rem;
  height: 1.5rem;
  background: url(../images/part4-li-bg.png) no-repeat center center/cover;
}

.part4-box li i {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 1.5rem;
  background: url(../images/part4-li-bg.png) no-repeat center center/cover;
}

.part4-box i img {
  position: relative;
  z-index: 10;
  max-width: 100%;
}
.part4-banner .swiper-slide i {
  overflow: hidden;
}
.part4-banner .swiper-slide img {
  transform: translate3d(150%, 0, 0);
  transform-origin: 0 center;
  transition: 0.8s 0.8s;
}

.part4-banner .swiper-slide-active img {
  transform: translate3d(0, 0, 0);
}

.public {
  height: 280px;
  background: #f6f7fb;
}
.public-main {
  background: #fff;
}
.public .wrap {
  display: block;
  padding-top: 0;
}

/*  */
.fix-nav {
  position: fixed;
  z-index: 50;
  left: 0;
  bottom: 0;
  width: 100%;
}

.fix-nav ul {
  display: flex;
  justify-content: space-around;
  width: 100%;
  height: 1.4rem;
  padding: 0.3rem 0.1rem 0;
  background: rgba(0, 0, 0, 0.6);
}

.fix-nav ul li {
  width: 25%;
}

.fix-nav ul a {
  display: block;
  text-align: center;
}

.fix-nav ul i {
  display: block;
}

.fix-nav i img {
  width: 0.5rem;
}

.fix-nav a p {
  padding-top: 0.1rem;
  font: 400 0.3rem/0.3rem "微软雅黑";
  color: #fff;
}