* {
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
 color:#333;
}
.dividing_line {
  height: 2px;
  border: none;
  background-color: red;
}
.footer {
  padding-top: 40px;
  height: 200px;
}
.footer .footer_item {
  margin-bottom: 20px;
  text-align: center;
  color: #8e9775;
}
.footer .footer_btn {
  display: flex;
  justify-content: center;
}
.footer .footer_btn .btn {
  width: 168px;
  height: 41px;
  margin-right: 20px;
  position: relative;
  cursor: pointer;
}
.footer .footer_btn .btn:nth-last-child(1) {
  margin-right: 0;
}
.footer .footer_btn .btn img {
  width: 100%;
  height: 100%;
}
.footer .footer_btn .btn .btn_text {
  font-family: 'PingFang-SC-Regular';
  font-size: 22px;
  color: #ffffff;
  position: absolute;
  right: 10px;
  top: 5px;
}
.main {
  width: 1920px;
}
.main .banner {
  width: 1920px;
  height: 734px;
  position: relative;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  transition: all 1s;
}
.main .banner .header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: absolute;
  top: 34px;
  right: 100px;
  left: 102px;
  height: 60px;
}
.main .banner .header .logo {
  display: flex;
  align-items: center;
}
.main .banner .header .logo .logo_name {
  margin-left: 16px;
  color: #ffffff;
  font-size: 26px;
  font-family: 'PingFang-SC-Heavy';
}
.main .banner .header .search {
  color: #ffffff;
  display: flex;
  align-items: center;
}
.main .banner .header .search .input_container {
  position: relative;
}
.main .banner .header .search .input_container .hot_container {
  position: absolute;
  right: 50px;
  height: 42px;
  line-height: 42px;
  top: 0;
  bottom: 0;
  opacity: 0.7;
}
.main .banner .header .search .input_container input {
  border-radius: 21px;
  width: 500px;
  height: 42px;
  outline: none;
  border: 2px solid #ffffff;
  background-color: transparent;
  padding-left: 20px;
  box-sizing: border-box;
  color: #ffffff;
  opacity: 0.7;
}
.main .banner .header .search .input_container input::placeholder {
  color: #ffffff;
  font-family: 'PingFang-SC-Regular';
}
.main .banner .header .search .input_container .search_image {
  position: absolute;
  right: 0;
  bottom: 0;
  top: 0;
  opacity: 0.7;
  border-radius: 50%;
  cursor: pointer;
}
.main .banner .header .search .shouji {
  width: 14px;
  height: 18px;
  opacity: 0.7;
  margin: 0 12px;
}
.main .banner .header .search .shouji_text {
  font-size: 18px;
  font-family: 'PingFang-SC-Medium';
}
.main .banner .banner_tips {
  position: absolute;
  z-index: 100;
  right: 100px;
  top: 50%;
  transform: translateY(-50%);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  height: 400px;
}
.main .banner .banner_tips .tips_item {
  font-family: 'PingFang-SC-Regular';
  cursor: pointer;
  font-size: 14px;
  transition: font-size 0.5s;
}
.main .banner .banner_tips .tips_item_active {
  font-size: 28px;
  font-family: 'PingFang-SC-Heavy';
}
.main .banner .swiper {
  position: absolute;
  left: 30px;
  right: 28px;
  bottom: 0;
  font-size: 0;
  z-index: 99;
}
.main .banner .swiper .swiper_item {
  width: 238px;
  height: 136px;
  margin-right: 8px;
  transition: all 0.3s;
  cursor: pointer;
}
.main .banner .swiper a:nth-child(1) .swiper_item {
  margin-right: 0px;
}
.main .banner .swiper .swiper-item-active {
  width: 386px;
  height: 220px;
  transform: translateY(10px);
}
.main .tab {
  margin: 72px 104px 56px 104px;
  height: 42px;
  display: flex;
}
.main .tab .tab_item {
  width: 170px;
  height: 42px;
  line-height: 42px;
  text-align: center;
  font-family: 'PingFang-SC-Regular';
  font-size: 18px;
  margin-right: 22px;
  border-radius: 20px;
  background-color: #eeebdd;
  cursor: pointer;
}
.main .tab .tab_item:nth-child(2) {
  font-size:18px;
  width:190px;  
}
.main .tab .tab_item:nth-last-child(1) {
  margin-right: 0;
}
.main .category {
  margin: 0 100px;
}
.main .category .title {
  font-family: 'PingFang-SC-Heavy';
  font-size: 30px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eeebdd;
}
.main .category .video_container {
  margin: 24px 0 88px 0;
  display: flex;
}
.main .category .video_container .video_big_item {
  margin-right: 24px;
}
.main .category .video_container .video_big_item .video_image_container {
  width: 474px;
  height: 316px;
  position: relative;
}
.main .category .video_container .video_big_item .video_image_container .video_image {
  width: 100%;
  height: 100%;
}
.main .category .video_container .video_big_item .video_image_container .video_btn {
  position: absolute;
  bottom: 7px;
  left: 7px;
  width: 22px;
  height: 22px;
  cursor: pointer;
}
.main .category .video_container .video_other {
  display: flex;
  flex-wrap: wrap;
  align-content: space-between;
}
.main .category .video_container .video_other a:nth-child(5n) .video_item {
  margin-right: 0;
}
.main .category .video_container .video_item {
  margin-right: 24px;
}
.main .category .video_container .video_item .video_image_container {
  position: relative;
  width: 225px;
  height: 126px;
}
.main .category .video_container .video_item .video_image_container .video_image {
  width: 100%;
  height: 100%;
}
.main .category .video_container .video_item .video_image_container .video_btn {
  position: absolute;
  bottom: 7px;
  left: 7px;
  width: 22px;
  height: 22px;
  cursor: pointer;
}
.main .category .video_container .video_tips {
  font-family: 'PingFang-SC-Medium';
  font-size: 12px;
  color: #404040;
  margin-top: 10px;
}