@charset "UTF-8";
.w {
  width: 1200px;
  margin: 0 auto;
}
video {
  object-fit: fill;
  width: 100%;
  height: 100vh;
}
video::-webkit-media-controls {
  display: none!important;
}
.index-video-box {
  position: relative;
  display: flex;
  justify-content: center;
}
.index-video-box .con {
  position: absolute;
  text-align: center;
  bottom: 100px;
  width: 250px;
}
.index-video-box .con h1 {
  position: relative;
  font-size: 32px;
  color: #fff;
  padding-top: 180px;
  padding-bottom: 64px;
  line-height: 32px;
}
.index-video-box .con h1:after {
  content: '';
  display: inline-block;
  position: absolute;
  left: 50%;
  bottom: 30px;
  width: 60px;
  height: 4px;
  margin-left: -30px;
  background-color: #fff;
}
.index-video-box .con p {
  font-size: 16px;
  color: #fff;
  line-height: 32px;
  padding-bottom: 30px;
}
.index-video-box .btn {
  display: block;
  width: 190px;
  margin: 0 auto;
}
.nav-banner {
  position: relative;
}
.nav-banner .header-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 99;
}
.nav-banner .swiper-container {
  width: 100%;
  height: 100%;
}
.nav-banner .swiper-container .swiper-slide {
  background: no-repeat center;
  background-size: cover;
}
.nav-banner .swiper-container .swiper-slide:hover {
  cursor: pointer;
}
.nav-banner .swiper-container .swiper-pagination {
  bottom: 40px;
}
.nav-banner .swiper-container .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: #fff;
  opacity: 1;
}
.nav-banner .swiper-container .swiper-pagination-bullet-active {
  background: #1874ff;
}
.nav-banner .swiper-container .con {
  text-align: center;
  width: 1200px;
  margin: 0 auto;
}
.nav-banner .swiper-container .con h1 {
  position: relative;
  font-size: 32px;
  color: #fff;
  padding-top: 180px;
  padding-bottom: 64px;
  line-height: 32px;
}
.nav-banner .swiper-container .con h1:after {
  content: '';
  display: inline-block;
  position: absolute;
  left: 50%;
  bottom: 30px;
  width: 60px;
  height: 4px;
  margin-left: -30px;
  background-color: #fff;
}
.nav-banner .swiper-container .con p {
  font-size: 16px;
  color: #fff;
  line-height: 32px;
  padding-bottom: 30px;
}
.nav-banner .swiper-container .btn {
  display: block;
  width: 190px;
  margin: 0 auto;
}
video {
  object-fit: fill;
  width: 100%;
  height: 100vh;
}
.video_text {
  position: relative;
  z-index: 2;
  color: #fff;
}
.video_text .page_nav {
  display: flex;
  width: 1200px;
  margin: auto;
  height: 60px;
  align-items: center;
}
.video_text .page_nav img {
  margin-right: 120px;
  cursor: pointer;
}
.video_text .page_nav ul {
  display: flex;
  height: 100%;
  align-items: center;
}
.video_text .page_nav li {
  margin-right: 60px;
  cursor: pointer;
}
/* -------------------start */
.section_one {
  padding-left: 8%;
  padding-top: 326px;
  width: 40%;
}
.section_one .large_text {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 19px;
  position: relative;
}
.section_one .second_text {
  font-size: 24px;
  line-height: 36px;
}
.middle_title {
  padding: 77px 8% 98px;
}
.grid_area {
  background-color: #F4F5F7;
  padding: 87px 8% 80px;
}
.bold_text {
  color: #333;
  font-weight: bold;
  font-size: 36px;
  text-align: center;
}
.middle_flex {
  margin-bottom: 130px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.middle_item {
  display: flex;
  align-items: center;
}
.middle_item img {
  width: 50%;
}
.middle_text {
  background-color: #F4F5F7;
  height: 440px;
  padding-top: 141px;
  font-size: 18px;
  line-height: 27px;
  min-width: 378px;
}
.middle_text .middle_text_title {
  margin-bottom: 37px;
}
.middle_text_l {
  padding-right: 39px;
  padding-left: 17%;
}
.middle_text_r {
  padding-left: 39px;
  padding-right: 17%;
}
.grid_area .title {
  margin-bottom: 20px;
}
.grid_area ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.grid_area .grid_item {
  position: relative;
  height: 385px;
}
.grid_area .grid_item img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.grid_desc {
  position: relative;
  color: #fff;
  padding: 30px;
}
.grid_desc .title {
  font-size: 36px;
  font-weight: bold;
  line-height: 48px;
  margin-bottom: 4px;
  color: #fff;
}
.grid_desc .desc {
  font-size: 18px;
  line-height: 27px;
}