/* index_banner START */
.index_banner .item {
  position: relative;
  overflow: hidden;
  height: 500px;
}
.index_banner .item img {
  position: absolute;
  max-width: 1920px;
  left: 50%;
  top: 0;
  -o-transform: translate3d(-50%, 0, 0);
  -moz-transform: translate3d(-50%, 0, 0);
  -webkit-transform: translate3d(-50%, 0, 0);
  transform: translate3d(-50%, 0, 0);
}
.index_banner .swiper-button {
  width: 50px;
  height: 50px;
  line-height: 48px;
  text-align: center;
  border: solid 1px #ffffff;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  margin-top: -25px;
  font-size: 24px;
  color: #fff;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_banner .swiper-button.swiper-button-prev {
  left: 40px;
}
.index_banner .swiper-button.swiper-button-next {
  right: 40px;
}
.index_banner .swiper-button:hover {
  border-color: #d63f46;
  background: #d63f46;
}
/* index_banner END */
/* index_main START */
.index_main .main {
  padding: 70px 0;
  overflow: hidden;
}
.index_main .main > .center {
  margin-top: 40px;
}
.index_main .main_title .main_title_text {
  text-align: center;
  font-weight: bold;
  font-size: 32px;
  line-height: 1em;
  color: #333333;
}
.index_main .main_title .main_title_decorate {
  margin-top: 24px;
  position: relative;
}
.index_main .main_title .main_title_decorate .line {
  height: 1px;
  background: #eee;
}
.index_main .main_title .main_title_decorate .main_title_desc {
  font-size: 18px;
  line-height: 1em;
  color: #e6e6e6;
  font-family: "arial";
  margin: 0 15px;
}
.index_main .main2 {
  background: #f9f9f9;
}
.index_main .main2 .main_top {
  margin-top: 0;
}
.index_main .main2 .main_top .main_left {
  width: 43%;
}
.index_main .main2 .main_top .main_left .main_left_title .main_left_title_text {
  font-size: 50px;
  line-height: 1em;
  color: #333333;
  font-weight: bold;
}
.index_main .main2 .main_top .main_left .main_left_title .main_left_title_desc {
  font-size: 18px;
  line-height: 1em;
  color: #666666;
  margin-left: 16px;
}
.index_main .main2 .main_top .main_left .explain {
  margin-top: 25px;
}
.index_main .main2 .main_top .main_left .explain .explain_title {
  font-size: 30px;
  color: #333333;
}
.index_main .main2 .main_top .main_left .explain .explain_content {
  font-size: 16px;
  color: #555555;
  line-height: 32px;
  margin-top: 50px;
  height: 160px;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
}
.index_main .main2 .main_top .main_left .explain .explain_link {
  width: 156px;
  height: 54px;
  line-height: 52px;
  text-align: center;
  border: solid 1px #d63f46;
  font-size: 16px;
  color: #d63f46;
  margin-top: 30px;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main2 .main_top .main_left .explain .explain_link:hover {
  color: #fff;
  background: #d63f46;
}
.index_main .main2 .main_top .main_right {
  width: 46%;
}
.index_main .main2 .main_top .main_right .main_right_title .main_right_title_text {
  font-size: 30px;
  line-height: 1em;
  font-weight: bold;
  color: #333333;
}
.index_main .main2 .main_top .main_right .main_right_title .main_right_title_desc {
  font-size: 18px;
  line-height: 1em;
  color: #e6e6e6;
  margin-left: 14px;
}
.index_main .main2 .main_top .main_right .item_first {
  margin-top: 45px;
  padding-bottom: 25px;
  border-bottom: 1px solid #eee;
}
.index_main .main2 .main_top .main_right .item_first .item_picture {
  width: 33.333%;
}
.index_main .main2 .main_top .main_right .item_first .item_picture .picture_container {
  padding-top: 64.82%;
}
.index_main .main2 .main_top .main_right .item_first .item_picture .picture_container img {
  -o-transition-duration: 0.5s;
  -moz-transition-duration: 0.5s;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
}
.index_main .main2 .main_top .main_right .item_first .explain {
  width: 61%;
}
.index_main .main2 .main_top .main_right .item_first .explain .explain_time {
  font-size: 16px;
  color: #d2d2d2;
  line-height: 1em;
  position: relative;
  padding-left: 52px;
}
.index_main .main2 .main_top .main_right .item_first .explain .explain_time::after {
  content: "";
  height: 1px;
  width: 36px;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  background: #d63f46;
}
.index_main .main2 .main_top .main_right .item_first .explain .explain_title {
  font-size: 18px;
  color: #333333;
  margin: 20px 0 15px;
  -o-transition: color 0.3s;
  -moz-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index_main .main2 .main_top .main_right .item_first .explain .explain_content {
  font-size: 14px;
  color: #888888;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  max-height: 52px;
  min-height: 52px;
  line-height: 26px;
}
.index_main .main2 .main_top .main_right .item_first:hover img {
  -o-transform: translate3d(0, 0, 0) scale(1.06);
  -moz-transform: translate3d(0, 0, 0) scale(1.06);
  -webkit-transform: translate3d(0, 0, 0) scale(1.06);
  transform: translate3d(0, 0, 0) scale(1.06);
}
.index_main .main2 .main_top .main_right .item_first:hover .explain .explain_title {
  color: #d63f46;
}
.index_main .main2 .main_top .main_right .main_right_list {
  margin-top: 18px;
}
.index_main .main2 .main_top .main_right .main_right_list .item {
  line-height: 26px;
  position: relative;
  padding-left: 12px;
}
.index_main .main2 .main_top .main_right .main_right_list .item .item_explain {
  font-size: 16px;
  color: #888888;
  width: 72%;
  -o-transition: color 0.3s;
  -moz-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index_main .main2 .main_top .main_right .main_right_list .item .item_time {
  font-size: 14px;
  color: #888888;
}
.index_main .main2 .main_top .main_right .main_right_list .item::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  margin: auto;
  height: 15px;
  background: #d63f46;
}
.index_main .main2 .main_top .main_right .main_right_list .item:not(:first-child) {
  margin-top: 18px;
}
.index_main .main2 .main_top .main_right .main_right_list .item:hover .item_explain {
  color: #d63f46;
}
.index_main .main2 .main_bottom {
  margin-top: 55px;
}
.index_main .main2 .main_bottom .main_nav {
  position: relative;
}
.index_main .main2 .main_bottom .main_nav .item {
  font-size: 18px;
  color: #333333;
  line-height: 24px;
  position: relative;
  padding-bottom: 18px;
}
.index_main .main2 .main_bottom .main_nav .item:not(:last-child)::after {
  content: "";
  position: absolute;
  width: 1px;
  height: 16px;
  background: #dcdcdc;
  right: -21px;
  top: 4px;
}
.index_main .main2 .main_bottom .main_nav .item:not(:nth-of-type(1)) {
  margin-left: 41px;
}
.index_main .main2 .main_bottom .main_nav .item:nth-of-type(2) {
  -o-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
}
.index_main .main2 .main_bottom .main_nav .item_active {
  width: 0;
  height: 3px;
  z-index: 10;
  position: absolute;
  background: #d63f46;
  bottom: -2px;
  left: 0;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main2 .main_bottom .line {
  height: 1px;
  background: #eee;
}
.index_main .main2 .main_bottom .main_list {
  display: none;
  padding-top: 40px;
}
.index_main .main2 .main_bottom .main_list.active {
  display: block;
}
.index_main .main2 .main_bottom .main_list .swiper-wrapper {
  -webkit-transition-timing-function: linear;
  -moz-transition-timing-function: linear;
  -ms-transition-timing-function: linear;
  transition-timing-function: linear;
}
.index_main .main2 .main_bottom .main_list_env .item_picture {
  overflow: hidden;
  position: relative;
}
.index_main .main2 .main_bottom .main_list_env .item_picture::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  opacity: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.35);
  -o-transform: translate3d(-50%, -50%, 0);
  -moz-transform: translate3d(-50%, -50%, 0);
  -webkit-transform: translate3d(-50%, -50%, 0);
  transform: translate3d(-50%, -50%, 0);
  -o-transition: all 0.6s;
  -moz-transition: all 0.6s;
  -webkit-transition: all 0.6s;
  transition: all 0.6s;
}
.index_main .main2 .main_bottom .main_list_env .picture_container {
  padding-top: 80%;
  background: #fff;
}
.index_main .main2 .main_bottom .main_list_env .item_explain {
  text-align: center;
  color: #333333;
  font-size: 16px;
  padding: 0 10px;
  margin-top: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index_main .main2 .main_bottom .main_list_env .swiper-slide:nth-child(1) {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.index_main .main2 .main_bottom .main_list_env .swiper-slide:nth-child(2) {
  -o-animation-delay: 0.15s;
  -moz-animation-delay: 0.15s;
  -webkit-animation-delay: 0.15s;
  animation-delay: 0.15s;
}
.index_main .main2 .main_bottom .main_list_env .swiper-slide:nth-child(3) {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.index_main .main2 .main_bottom .main_list_env .swiper-slide:nth-child(4) {
  -o-animation-delay: 0.45s;
  -moz-animation-delay: 0.45s;
  -webkit-animation-delay: 0.45s;
  animation-delay: 0.45s;
}
.index_main .main2 .main_bottom .main_list_env .item:hover .item_picture::after {
  opacity: 1;
  width: 500px;
  height: 500px;
}
.index_main .main2 .main_bottom .main_list_honor .item_picture {
  padding: 16px;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.index_main .main2 .main_bottom .main_list_honor .item_picture .picture_container {
  padding-top: 135.26%;
}
.index_main .main2 .main_bottom .main_list_honor .item_picture::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  opacity: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.35);
  -o-transform: translate3d(-50%, -50%, 0);
  -moz-transform: translate3d(-50%, -50%, 0);
  -webkit-transform: translate3d(-50%, -50%, 0);
  transform: translate3d(-50%, -50%, 0);
  -o-transition: all 0.6s;
  -moz-transition: all 0.6s;
  -webkit-transition: all 0.6s;
  transition: all 0.6s;
}
.index_main .main2 .main_bottom .main_list_honor .item_explain {
  text-align: center;
  padding: 0 10px;
  font-size: 16px;
  color: #333333;
  margin-top: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index_main .main2 .main_bottom .main_list_honor .swiper-slide:nth-child(1) {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.index_main .main2 .main_bottom .main_list_honor .swiper-slide:nth-child(2) {
  -o-animation-delay: 0.15s;
  -moz-animation-delay: 0.15s;
  -webkit-animation-delay: 0.15s;
  animation-delay: 0.15s;
}
.index_main .main2 .main_bottom .main_list_honor .swiper-slide:nth-child(3) {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.index_main .main2 .main_bottom .main_list_honor .swiper-slide:nth-child(4) {
  -o-animation-delay: 0.45s;
  -moz-animation-delay: 0.45s;
  -webkit-animation-delay: 0.45s;
  animation-delay: 0.45s;
}
.index_main .main2 .main_bottom .main_list_honor .swiper-slide:nth-child(5) {
  -o-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.index_main .main2 .main_bottom .main_list_honor .item:hover .item_picture::after {
  opacity: 1;
  width: 500px;
  height: 500px;
}
.index_main .main3 .swiper-slide {
  width: 52.6%;
}
.index_main .main3 .swiper-slide[class*=active] .item::after {
  background: rgba(255, 255, 255, 0);
}
.index_main .main3 .swiper-slide[class*=active] .item .item_explain {
  bottom: 0;
  opacity: 1;
  -o-transition-delay: 0.35s;
  -moz-transition-delay: 0.35s;
  -webkit-transition-delay: 0.35s;
  transition-delay: 0.35s;
}
.index_main .main3 .swiper-slide .item {
  overflow: hidden;
  position: relative;
}
.index_main .main3 .swiper-slide .item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  background: rgba(255, 255, 255, 0.6);
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main3 .swiper-slide .item .picture_container {
  padding-top: 58.62%;
}
.index_main .main3 .swiper-slide .item .item_explain {
  position: absolute;
  padding: 0 28px;
  bottom: -54px;
  width: 100%;
  left: 0;
  opacity: 0;
  height: 54px;
  color: #ffffff;
  background: rgba(0, 0, 0, 0.5);
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main3 .swiper-slide .item .item_explain .explain_title {
  font-size: 20px;
  width: 65%;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index_main .main3 .swiper-slide .item .item_explain .explain_time {
  letter-spacing: 1px;
}
.index_main .main3 .swiper-slide .item .item_explain .explain_time .explain_time_text {
  font-weight: bold;
  color: #ffffff;
  font-size: 22px;
}
.index_main .main3 .swiper-slide .item .item_explain .explain_time .explain_time_desc {
  font-size: 14px;
  color: #ffffff;
  margin-left: 10px;
}
.index_main .main3 .swiper-button {
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  border-radius: 50%;
  margin-top: -20px;
  background: rgba(0, 0, 0, 0.5);
  font-size: 22px;
  color: #fff;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main3 .swiper-button:hover {
  background: #d63f46;
}
.index_main .main3 .swiper-button.swiper-button-prev {
  left: 20px;
}
.index_main .main3 .swiper-button.swiper-button-next {
  right: 20px;
}
.index_main .main3 .more_link {
  width: 156px;
  height: 54px;
  line-height: 52px;
  text-align: center;
  border: solid 1px #d63f46;
  font-size: 16px;
  color: #d63f46;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  margin: 50px auto 0;
}
.index_main .main3 .more_link:hover {
  color: #fff;
  background: #d63f46;
}
.index_main .main4 {
  padding-top: 0;
  padding-bottom: 30px;
}
.index_main .main4 .main_container {
  margin-top: 50px;
}
.index_main .main4 .swiper_picture {
  width: 50%;
}
.index_main .main4 .swiper_picture .picture_container {
  height: 100%;
}
.index_main .main4 .swiper_picture .picture_container img {
  height: 100%;
  max-width: none;
}
.index_main .main4 .swiper_explain {
  width: 50%;
  padding: 0 0 80px;
  background: #f9f9f9;
}
.index_main .main4 .swiper_explain .swiper-slide {
  height: auto;
}
.index_main .main4 .swiper_explain .swiper-slide:nth-child(3n-1) {
  background: #fff;
}
.index_main .main4 .swiper_explain .swiper-slide:not(:nth-child(3n)):not(:last-child) {
  border-bottom: 1px solid #eee;
}
.index_main .main4 .swiper_explain .swiper-slide:nth-child(3n-2) .item {
  padding-top: 55px;
}
.index_main .main4 .swiper_explain .swiper-slide:nth-child(3n-2) .item .explain_step {
  top: 55px;
}
.index_main .main4 .swiper_explain .swiper-slide:hover .item .explain_step,
.index_main .main4 .swiper_explain .swiper-slide.active .item .explain_step {
  color: #d63f46;
}
.index_main .main4 .swiper_explain .swiper-slide:hover .item .explain_step::after,
.index_main .main4 .swiper_explain .swiper-slide.active .item .explain_step::after {
  opacity: 1;
  left: -60px;
}
.index_main .main4 .swiper_explain .swiper-slide .item {
  position: relative;
  padding-left: 80px;
  padding-right: 5%;
  padding-top: 30px;
  padding-bottom: 24px;
}
.index_main .main4 .swiper_explain .swiper-slide .item .explain_step {
  font-family: 'arial';
  font-size: 28px;
  line-height: 1em;
  color: #333333;
  font-weight: bold;
  position: absolute;
  left: 80px;
  top: 30px;
}
.index_main .main4 .swiper_explain .swiper-slide .item .explain_step::after {
  content: "";
  position: absolute;
  width: 48px;
  height: 1px;
  background: #d63f46;
  margin: auto;
  left: -90px;
  bottom: 0;
  top: -1px;
  opacity: 0;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main4 .swiper_explain .swiper-slide .item .explain_title {
  font-size: 22px;
  color: #444444;
  line-height: 26px;
  padding-left: 70px;
}
.index_main .main4 .swiper_explain .swiper-slide .item .explain_content {
  font-size: 14px;
  color: #888888;
  line-height: 28px;
  padding-left: 70px;
  margin-top: 15px;
}
.index_main .main4 .swiper_button_control {
  position: absolute;
  bottom: 45px;
  left: 150px;
  z-index: 10;
}
.index_main .main4 .swiper_button_control .swiper-button {
  width: 36px;
  height: 36px;
  background: #ffffff;
  border: solid 1px #dfdfdf;
  border-radius: 50%;
  text-align: center;
  line-height: 34px;
  color: #cfcfcf;
  font-size: 18px;
  cursor: pointer;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main4 .swiper_button_control .swiper-button:not([class*=disable]):hover {
  border-color: #d63f46;
  color: #d63f46;
}
.index_main .main4 .swiper_button_control .swiper-next {
  margin-left: 35px;
}
.index_main .main4 .swiper_button_control [class*=disable] {
  opacity: 0.35;
  cursor: default;
}
/* index_main END */