body {
  background: #fff;
}

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

/* banner */

.banner {
  position: relative;
}

.banner .swiper-slide img {
  width: 100%;
}

/*标题 */

.part-top {
  display: flex;
  justify-content: space-between;
  padding: 3vw 0;
}

.part-title {
  padding: 0 0 1.5vw;
  background: url(../images/part_line.jpg) no-repeat 0 bottom;
}

.part-title .ch {
  font-size: 2vw;
  line-height: 2.4vw;
}

.part-title .ch span {
  color: #c7000b;
}

.part-title .en {
  font-size: 0.8vw;
  line-height: 1vw;
  color: #999999;
}

/* 查看更多 */

.part-more a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3vw;
  height: 3vw;
  background: #c7000b;
  transition: 0.6s;
}

.part-more a img {
  width: 1vw;
}

.part-more a:hover {
  transform: rotate(180deg);
}

/* 第1部分 */

.part1 {
  position: relative;
  padding-bottom: 3vw;
  background: #f6f7fb;
}

.part1-main {
  width: 62.5vw;
  margin: 0 auto;
}

.part1-box ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.part1-box ul li {
  width: 17vw;
  padding-bottom: 1vw;
}

.part1-box ul a {
  display: block;
  transition: 0.6s;
}

.part1-li-img {
  overflow: hidden;
}

.part1-li-img img {
  width: 100%;
}

.part1-li-box {
  padding: 1vw;
}

.part1-li-name {
  font-size: 1.2vw;
  line-height: 1.5vw;
  color: #c7000b;
  background: url(../images/part1_line.jpg) no-repeat right center;
}

.part1-li-detail {
  height: 2.4vw;
  overflow: hidden;
  margin: 0.5vw 0;
  font-size: 0.9vw;
  line-height: 1.2vw;
  color: #c7000b;
}

.part1-li-p {
  height: 2.4vw;
  overflow: hidden;
  margin: 0.5vw 0;
  font-size: 0.9vw;
  line-height: 1.2vw;
  color: #000;
}

.part1-li-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 1.5vw;
  height: 1.5vw;
  border: 2px solid #c7000b;
  border-radius: 50%;
}

.part1-li-arrow img {
  width: 0.5vw;
}

.part1-box ul a:hover {
  transform: translate3d(0, -1vw, 0);
}

/* 第2部分 */

.part2 {
  position: relative;
  padding: 5vw 0;
  background: url(../images/part2_bg.jpg) no-repeat center 0 / 100%;
}

.part2-main {
  display: flex;
  justify-content: space-between;
  padding: 0 15vw 0 7.5vw;
}

.part2-left {
  width: 58vw;
}

.part2-left ul {
  display: flex;
}

.part2-left ul li {
  width: 33.3%;
  padding-right: 1vw;
}

.part2-left ul a {
  display: block;
  position: relative;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transition: 0.3s;
}

.part2-li-img {
  overflow: hidden;
}

.part2-li-img img {
  width: 100%;
}

.part2-li-layer {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 1.5vw 0 1.5vw 2vw;
  color: #fff;
  background: url(../images/part2_shape.png) no-repeat 0 bottom/1.4vw;
}

.part2-li-ch {
  font-size: 1.5vw;
  line-height: 1.8vw;
}

.part2-li-en {
  font-size: 0.8vw;
  line-height: 1vw;
}

.part2-right {
  padding: 7vw 0 0;
  text-align: left;
}

.part2-title .ch {
  color: #fff;
}

.part2-title .en {
  color: #fff;
}
.part2-left ul a:hover {
  transform: translate3d(0, -1vw, 0);
}

.part2-video {
  margin: 3.5vw 0 0;
  padding: 1vw 0 1vw 4vw;
  color: #fff;
  background: url(../images/part2_video.png) no-repeat 0 center/3.5vw;
  cursor: pointer;
}

.part2-video .ch {
  font-size: 1.2vw;
  line-height: 1.5vw;
}

.part2-video .en {
  font-size: 0.8vw;
  line-height: 1vw;
}

/* 第3部分 */

.part3 {
  position: relative;
}

.part3-main {
  width: 62.5vw;
  margin: 0 auto;
}

.part3-top {
  background: url(../images/part3_hf.png) no-repeat 90% 3vw/27vw;
}

.part3-ad {
  font-size: 1.5vw;
  line-height: 1.8vw;
  color: #c7000b;
}

.part3-detail {
  padding: 1.2vw 0 2.4vw;
  font-size: 1.2vw;
  line-height: 1.5vw;
  color: #666;
}

.part3-box {
  padding: 0 0 4vw;
}

.part3-box ul {
  display: flex;
  justify-content: space-between;
}

.part3-box ul li {
  width: 30vw;
}

.part3-box ul a {
  display: block;
  position: relative;
  border-radius: 0 2vw;
  overflow: hidden;
}

.part3-li-img {
  overflow: hidden;
}

.part3-li-img img {
  width: 100%;
  transition: 0.3s;
}

.part3-li-p {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 0 1vw;
  font-size: 0.8vw;
  line-height: 2.4vw;
  text-align: center;
  color: #000;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.9);
}

.part3-box ul a:hover .part3-li-img img {
  transform: scale(1.1);
}

/* 第4部分 */

.part4 {
  position: relative;
  padding: 0 0 5vw;
  background: #fafafa;
}

.part4-main {
  width: 62.5vw;
  margin: 0 auto;
}

.part4-box {
  position: relative;
  height: 25vw;
  overflow: hidden;
  padding: 0;
}

.part4-box ul {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  border-left: 1px solid #b5b5b5;
}

.part4-box ul li {
  width: 21vw;
}

.part4-box ul a {
  display: block;
  padding: 1.5vw;
  color: #000;
  border: 1px solid #b5b5b5;
  border-left: 0;
}

.new-li-time {
  padding-left: 1vw;
  font-size: 14px;
  line-height: 20px;
  background: url(../images/time.png) no-repeat 0 center/0.8vw;
}

.new-li-name {
  height: 3vw;
  overflow: hidden;
  margin: 1.2vw 0;
  font-size: 1.2vw;
  line-height: 1.5vw;
}

.new-li-more {
  width: 7vw;
  padding: 0 1vw;
  background: #c7000b;
  border: 1px solid #c7000b;
  border-radius: 1vw;
}

.new-li-more span {
  display: block;
  font-size: 14px;
  line-height: 1.8vw;
  color: #fff;
  background: url(../images/arrow_w.png) no-repeat right center;
}

.new-li-img {
  overflow: hidden;
  margin: 1.6vw 0 0;
}

.new-li-img img {
  width: 100%;
}

.part4-box ul a:hover {
  color: #fff;
  background: #c7000b;
}
.part4-box ul a:hover .new-li-time {
  background-image: url(../images/time_w.png);
}
.part4-box ul a:hover .new-li-more {
  border-color: #f800e0;
}

/* 视频 */

.video-wrap {
  position: relative;
}

.video-wrap--show {
  z-index: 100;
}

.video-wrap--hide {
  z-index: 2;
}

.video-inner {
  position: relative;
  z-index: 10;
  overflow: hidden;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  opacity: 0;
}

.video-wrap--show .video-inner {
  opacity: 1;
}

.video-player {
  position: absolute;
  top: 50%;
  width: 100%;
  transform: translate3d(0, -50%, 0);
}

.video-inner {
  transform: scale3d(0.1, 0.1, 1) rotate3d(0, 0, 1, -5deg);
}

.video-wrap--show .video-inner {
  opacity: 0;
  animation: showVideo-1 1.25s forwards;
}

.video-wrap--hide .video-inner {
  animation: hideVideo 1.25s forwards;
}

.video-player {
  z-index: 1;
  left: 50%;
  width: 100%;
  border: 5px solid #fff;
  transition: transform 1s;
  transform: translate3d(-50%, -50%, 0) scale3d(0.7, 0.7, 1)
    rotate3d(0, 0, 1, 5deg);
}

.video-wrap--show .video-player,
.video-wrap--hide .video-player {
  transform: translate3d(-50%, -50%, 0) scale3d(0.8, 0.8, 0.8);
}

.video-inner {
  position: fixed;
  z-index: 99;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
}

.video-wrap--show .video-inner {
  animation: showVideo-2 1.25s forwards;
}

.video-close {
  position: absolute;
  z-index: 1001;
  left: 50%;
  top: 50%;
  width: 42px;
  height: 42px;
  margin-left: 36vw;
  margin-top: -21vw;
  font: 400 16px/36px "微软雅黑";
  color: #fff;
  text-align: center;
  border: 2px solid #fff;
  border-radius: 50%;
  opacity: 0;
  transition: 0.6s 1.2s;
  cursor: pointer;
}

@keyframes showVideo-1 {
  50% {
    width: 50%;
    opacity: 1;
    transform: scale3d(0.5, 0.5, 0.75) rotate3d(0, 0, 1, -5deg);
  }
  100% {
    width: 100%;
    opacity: 1;
    transform: scale3d(1, 1, 1) rotate3d(0, 0, 1, 0deg);
  }
}

@keyframes showVideo-2 {
  50% {
    width: 50vh;
    height: 50vh;
    opacity: 1;
    transform: scale3d(0.4, 0.4, 1) rotate3d(0, 0, 1, 15deg);
  }
  100% {
    width: 100vw;
    height: 100vh;
    opacity: 1;
    transform: scale3d(1, 1, 1) rotate3d(0, 0, 1, 0deg);
  }
}

@keyframes hideVideo {
  0% {
    width: 100vw;
    height: 100vh;
    opacity: 1;
    transform: scale3d(1, 1, 1) rotate3d(0, 0, 1, 0deg);
  }
  100% {
    width: 50vw;
    height: 50vh;
    opacity: 0;
    transform: scale3d(0.5, 0.5, 1) rotate3d(0, 0, 1, 10deg);
  }
}