@media screen and (min-width: 1201px) {
  body {
    padding-top: 0;
  }
}

.section{ position:relative; width:100%; z-index:-99;height:800px;}
.section_one .con{position: absolute;width:100%;height:800px;left:0;top:0;display: table;background:url(../images/pattern.png) repeat;}
.video_box{width:100%;height:740px; display:block;}
.video_box video{ width:100%;height:740px; display:block;}
.syvideo{width:100%;height:740px; display:block;}

@media only screen and (max-width: 1600px) {
	.section{ position:relative; width:100%; z-index:-99;height:800px;}
.section_one .con{position: absolute;width:100%;height:700px;left:0;top:0;display: table;background:url(../images/pattern.png) repeat;}
	.vidbacking{ width:100%;height:700px; display:block;}
.video_box{width:100%;height:700px; display:block;}
.video_box video{ width:100%;height:700px; display:block;}
.syvideo{width:100%;height:700px; display:block;}
}
@media only screen and (max-width: 1400px) {
	.section{ position:relative; width:100%; z-index:-99;height:630px;}
.section_one .con{position: absolute;width:100%;height:730px;left:0;top:0;display: table;background:url(../images/pattern.png) repeat;}
	.vidbacking{ width:100%;height:630px; display:block;}
.video_box{width:100%;height:630px; display:block;}
.video_box video{ width:100%;height:630px; display:block;}
.syvideo{width:100%;height:630px; display:block;}
}


.index_banner {
  position: relative;
}
.index_banner .slide_item {
  position: relative;
}
.index_banner .slide_item .item_picture .banner_p {
  display: block;
}
.index_banner .slide_item .item_picture .banner_m {
  display: none;
}
.index_banner .slide_item .item_explain {
  position: absolute;
  margin: auto;
  z-index: 11;
  bottom: 0;
  right: 0;
  left: 0;
  top: 0;
  text-align: center;
}
.index_banner .slide_item .item_explain .item_explain_container {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}
.index_banner .slide_item .item_explain .item_explain_container .explain_title {
  font-size: 50px;
  color: #ffffff;
  font-weight: bold;
  line-height: 60px;
  letter-spacing: 3px;
}
.index_banner .slide_item .item_explain .item_explain_container .explain_title span {
  color: #ff8000;
  margin: 0 15px;
}
.index_banner .slide_item .item_explain .item_explain_container .explain_content {
  font-size: 30px;
  font-weight: lighter;
  letter-spacing: 1px;
  color: #ffffff;
  margin-top: 18px;
  -o-animation-delay: 0.1s;
  -moz-animation-delay: 0.1s;
  -webkit-animation-delay: 0.1s;
  animation-delay: 0.1s;
}
.index_banner .slide_item .item_explain .item_explain_container .explain_desc {
  margin-top: 7px;
  font-size: 16px;
  font-family: "cg";
  line-height: 24px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.25);
  -o-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
}
.index_banner .index_banner_mouse {
  color: #fff;
  margin-top: 78px;
  position: relative;
  text-align: center;
  animation: mouseMove 1.5s infinite;
}
.index_banner .index_banner_mouse .mouse_icon {
  font-size: 40px;
  line-height: 1em;
  position: relative;
}
.index_banner .index_banner_mouse .mouse_line_list {
  margin-top: 3px;
}
.index_banner .index_banner_mouse .mouse_line_list .mouse_line_item {
  font-size: 16px;
  line-height: 1em;
  position: relative;
}
.index_banner .index_banner_mouse .mouse_line_list .mouse_line_item:nth-child(2) {
  opacity: 0.6;
  top: -6px;
}
.index_banner .index_banner_mouse .mouse_line_list .mouse_line_item:nth-child(3) {
  opacity: 0.3;
  top: -12px;
}
.index_banner .swiper_pagination {
  position: absolute;
  margin: auto;
  z-index: 10;
  left: 56px;
  bottom: 0;
  top: 0;
}
.index_banner .swiper_pagination .swiper_pagination_line {
  width: 2px;
  height: 120px;
  position: relative;
  background: rgba(255, 255, 255, 0.3);
}
.index_banner .swiper_pagination .swiper_pagination_line .swiper_pagination_line_active {
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  height: 0;
  background: #fff;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_banner .swiper_pagination .swiper_pagination_num {
  -o-transform: rotateZ(90deg);
  -moz-transform: rotateZ(90deg);
  -webkit-transform: rotateZ(90deg);
  transform: rotateZ(90deg);
  position: relative;
  font-family: "cg";
  right: 13px;
}
.index_banner .swiper_pagination .swiper_pagination_num .swiper_pagination_num_active {
  position: relative;
  line-height: 1em;
  font-size: 50px;
  color: #ff8000;
  top: 5px;
}
.index_banner .swiper_pagination .swiper_pagination_num .swiper_pagination_num_text {
  font-size: 26px;
  line-height: 1em;
  margin-left: 5px;
  color: rgba(255, 255, 255, 0.5);
}
.index_banner .swiper_control_container {
  position: absolute;
  z-index: 10;
  left: 0;
  right: 0;
  bottom: 90px;
  margin: auto;
}
.index_banner .swiper_control_container .swiper_control {
  position: absolute;
  bottom: 0;
  right:10%;
}
.index_banner .swiper_control_container .swiper_control .swiper_btn {
  width: 90px;
  height: 90px;
  line-height: 90px;
  text-align: center;
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  font-size: 18px;
  color: #fff;
  -o-transition: all 0.35s;
  -moz-transition: all 0.35s;
  -webkit-transition: all 0.35s;
  transition: all 0.35s;
}
.index_banner .swiper_control_container .swiper_control .swiper_btn:hover {
  background: rgba(255, 128, 0, 0.8);
}
.index_banner .swiper_control_container .swiper_control .swiper_prev {
  -o-transform: rotateZ(-180deg);
  -moz-transform: rotateZ(-180deg);
  -webkit-transform: rotateZ(-180deg);
  transform: rotateZ(-180deg);
}
@-webkit-keyframes mouseMove {
  0% {
    -o-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  100% {
    opacity: 0;
    -o-transform: translate3d(0, 30px, 0);
    -moz-transform: translate3d(0, 30px, 0);
    -webkit-transform: translate3d(0, 30px, 0);
    transform: translate3d(0, 30px, 0);
  }
}
@keyframes mouseMove {
  0% {
    -o-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
  100% {
    opacity: 0;
    -o-transform: translate3d(0, 30px, 0);
    -moz-transform: translate3d(0, 30px, 0);
    -webkit-transform: translate3d(0, 30px, 0);
    transform: translate3d(0, 30px, 0);
  }
}
.index_main .main {
  overflow: hidden;
}
.index_main .main .main_title {
  text-align: center;
}
.index_main .main .main_title .main_title_text {
  font-size: 39px; font-weight:bold;
  line-height: 1.4em;
  letter-spacing: 1px;
  color: #434343;
}
.index_main .main .main_title .main_title_desc {
  margin-top: 6px;
  font-size: 18px;
  font-family: "cg";
  line-height: 1.2em;
  color: rgba(67, 67, 67, 0.4);
  -o-animation-delay: 0.05s;
  -moz-animation-delay: 0.05s;
  -webkit-animation-delay: 0.05s;
  animation-delay: 0.05s;
}
.index_main .main .main_more {
  width: 110px;
  padding: 10px 0;
  text-align: center;
  margin: 40px auto 0;
  border: 1px solid transparent;
  -o-transition: border 0.35s;
  -moz-transition: border 0.35s;
  -webkit-transition: border 0.35s;
  transition: border 0.35s;
}
.index_main .main .main_more .main_more_text {
  font-size: 14px;
  color: #666666;
  line-height: 16px;
  -o-transition: color 0.3s;
  -moz-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}
.index_main .main .main_more .main_more_icon {
  font-size: 12px;
  margin-left: 8px;
  line-height: 16px;
  color: #9d9d9d;
  -o-transition: color 0.3s;
  -moz-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}
.index_main .main .main_more:hover {
  border-color: #ff8000;
}
.index_main .main .main_more:hover .main_more_text,
.index_main .main .main_more:hover .main_more_icon {
  color: #ff8000;
}
.index_main .main1 {
  padding: 55px 0 0;
}
.index_main .main1 .swiper_nav {
  margin-top: 44px;
}
.index_main .main1 .swiper_nav .swiper-slide {
  width: auto;
  font-size: 14px;
  color: #666666;
  line-height: 16px;
  padding: 7px 25px;
  border-radius: 15px;
  -o-transition: all 0.35s;
  -moz-transition: all 0.35s;
  -webkit-transition: all 0.35s;
  transition: all 0.35s;
}
.index_main .main1 .swiper_nav .swiper-slide:nth-child(1) {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.index_main .main1 .swiper_nav .swiper-slide:nth-child(2) {
  -o-animation-delay: 0.1s;
  -moz-animation-delay: 0.1s;
  -webkit-animation-delay: 0.1s;
  animation-delay: 0.1s;
}
.index_main .main1 .swiper_nav .swiper-slide:nth-child(3) {
  -o-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
}
.index_main .main1 .swiper_nav .swiper-slide:nth-child(4) {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.index_main .main1 .swiper_nav .swiper-slide:nth-child(5) {
  -o-animation-delay: 0.4s;
  -moz-animation-delay: 0.4s;
  -webkit-animation-delay: 0.4s;
  animation-delay: 0.4s;
}
.index_main .main1 .swiper_nav .swiper-slide:nth-child(6) {
  -o-animation-delay: 0.5s;
  -moz-animation-delay: 0.5s;
  -webkit-animation-delay: 0.5s;
  animation-delay: 0.5s;
}
.index_main .main1 .swiper_nav .swiper-slide:hover,
.index_main .main1 .swiper_nav .swiper-slide.active {
  color: #fff;
  background: #ff8000;
}
.index_main .main1 .swiper_nav .swiper-slide:not(:last-child) {
  margin-right: 12px;
}
.index_main .main1 .main_container {
  margin-top: 40px;
  padding: 0 40px;
}
.index_main .main1 .main_container .swiper_content_item .swiper-wrapper {
  -webkit-transition-timing-function: linear;
  -moz-transition-timing-function: linear;
  -ms-transition-timing-function: linear;
  transition-timing-function: linear;
}
.index_main .main1 .main_container .swiper_content_item .swiper-slide:nth-child(1) {
  -o-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -webkit-animation-delay: 0s;
  animation-delay: 0s;
}
.index_main .main1 .main_container .swiper_content_item .swiper-slide:nth-child(2) {
  -o-animation-delay: 0.1s;
  -moz-animation-delay: 0.1s;
  -webkit-animation-delay: 0.1s;
  animation-delay: 0.1s;
}
.index_main .main1 .main_container .swiper_content_item .swiper-slide:nth-child(3) {
  -o-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
}
.index_main .main1 .main_container .swiper_content_item .swiper-slide:nth-child(4) {
  -o-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.index_main .main1 .main_container .swiper_content_item .swiper-slide:nth-child(5) {
  -o-animation-delay: 0.4s;
  -moz-animation-delay: 0.4s;
  -webkit-animation-delay: 0.4s;
  animation-delay: 0.4s;
}
.index_main .main1 .main_container .swiper_content_item .item_picture {
  position: relative;
  overflow: hidden;
}
.index_main .main1 .main_container .swiper_content_item .item_picture .picture_container {
  padding-top:76%;
  border:1px solid #f1f1f1;
}
.index_main .main1 .main_container .swiper_content_item .item_picture .picture_container img {
  max-width:100%;
  max-height:100%;
}
.index_main .main1 .main_container .swiper_content_item .item_picture .explain {
  position: absolute;
  padding: 0 65px;
  height: 100%;
  width: 100%;
  left: 0;
  top: 0;
  opacity: 0;
  z-index: -1;
  visibility: hidden;
  background: rgba(32, 41, 105, 0.35);
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_step {
  position: relative;
  font-family: "arial";
  font-size: 40px;
  line-height: 1em;
  color: #ffffff;
  font-weight: bold;
  letter-spacing: 2px;
  opacity: 0;
  -o-transform: translate3d(-40px, 0, 0);
  -moz-transform: translate3d(-40px, 0, 0);
  -webkit-transform: translate3d(-40px, 0, 0);
  transform: translate3d(-40px, 0, 0);
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_step::after {
  content: "";
  width: 55px;
  height: 1px;
  background: #ffffff;
  position: absolute;
  margin: auto;
  bottom: 0;
  top: 0;
  left: -65px;
}
.index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_content {
  opacity: 0;
  font-size: 14px;
  margin-top: 14px;
  color: #ffffff;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  max-height: 48px;
  min-height: 48px;
  line-height: 24px;
  -o-transform: translate3d(-40px, 0, 0);
  -moz-transform: translate3d(-40px, 0, 0);
  -webkit-transform: translate3d(-40px, 0, 0);
  transform: translate3d(-40px, 0, 0);
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main1 .main_container .swiper_content_item .item_explain {
  padding: 25px 20px;
  padding-right: 30px;
}
.index_main .main1 .main_container .swiper_content_item .item_explain .explain_title {
  width: 72%;
  font-size: 14px;
  color: #666666;
  line-height: 24px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.index_main .main1 .main_container .swiper_content_item .item_explain .explain_right .explain_line {
  width: 1px;
  height: 24px;
  opacity: 0.3;
  background: #666666;
}
.index_main .main1 .main_container .swiper_content_item .item_explain .explain_right .explain_icon {
  font-size: 24px;
  line-height: 24px;
  margin-left: 20px;
  color: #b2b2b2;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.index_main .main1 .main_container .swiper_content_item .item_line {
  height: 1px;
  overflow: hidden;
  position: relative;
  background: #e4e4e4;
}
.index_main .main1 .main_container .swiper_content_item .item_line::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 1px;
  background: #ff8000;
  -o-transition: all 0.8s;
  -moz-transition: all 0.8s;
  -webkit-transition: all 0.8s;
  transition: all 0.8s;
}
.index_main .main1 .main_container .swiper_content_item .item {
  overflow: hidden;
}
.index_main .main1 .main_container .swiper_content_item .item:hover .item_picture .explain {
  opacity: 1;
  z-index: 10;
  visibility: visible;
}
.index_main .main1 .main_container .swiper_content_item .item:hover .item_picture .explain .explain_step {
  opacity: 1;
  -o-transform: translate3d(0, 0, 0);
  -moz-transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  -o-transition-delay: 0.1s;
  -moz-transition-delay: 0.1s;
  -webkit-transition-delay: 0.1s;
  transition-delay: 0.1s;
}
.index_main .main1 .main_container .swiper_content_item .item:hover .item_picture .explain .explain_content {
  opacity: 1;
  -o-transform: translate3d(0, 0, 0);
  -moz-transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  -o-transition-delay: 0.15s;
  -moz-transition-delay: 0.15s;
  -webkit-transition-delay: 0.15s;
  transition-delay: 0.15s;
}
.index_main .main1 .main_container .swiper_content_item .item:hover .item_explain .explain_right .explain_icon {
  color: #ff8000;
  -o-transform: translate3d(10px, 0, 0);
  -moz-transform: translate3d(10px, 0, 0);
  -webkit-transform: translate3d(10px, 0, 0);
  transform: translate3d(10px, 0, 0);
}
.index_main .main1 .main_container .swiper_content_item .item:hover .item_line::after {
  width: 100%;
}

@media screen and (max-width: 1400px) {
  .index_banner .slide_item .item_explain .item_explain_container {
    width: 80%;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_title {
    font-size: 40px;
    line-height: 50px;
    letter-spacing: 2px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_title span {
    margin: 0 10px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_content {
    font-size: 24px;
    margin-top: 15px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_desc {
    margin-top: 5px;
    font-size: 14px;
    line-height: 22px;
  }
  .index_banner .index_banner_mouse {
    margin-top: 50px;
  }
  .index_banner .index_banner_mouse .mouse_icon {
    font-size: 36px;
  }
  .index_banner .index_banner_mouse .mouse_line_list {
    margin-top: 0px;
  }
  .index_banner .index_banner_mouse .mouse_line_list .mouse_line_item {
    font-size: 14px;
  }
  .index_banner .swiper_pagination {
    left: 15px;
  }
  .index_banner .swiper_pagination .swiper_pagination_num .swiper_pagination_num_active {
    font-size: 40px;
  }
  .index_banner .swiper_pagination .swiper_pagination_num .swiper_pagination_num_text {
    font-size: 20px;
  }
  .index_banner .swiper_control_container {
    bottom: 0;
  }
  .index_main .main1 .main_container {
    padding: 0 15px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain {
    padding: 0 55px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_step {
    font-size: 30px;
    letter-spacing: 1px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_step::after {
    width: 45px;
    left: -55px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_content {
    margin-top: 10px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain {
    padding: 20px;
    padding-right: 30px;
  }
}
@media screen and (max-width: 1300px) {
  .index_banner .slide_item .item_explain .item_explain_container {
    width: 80%;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_title {
    font-size: 40px;
    line-height: 50px;
    letter-spacing: 2px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_title span {
    margin: 0 10px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_content {
    font-size: 24px;
    margin-top: 15px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_desc {
    margin-top: 5px;
    font-size: 14px;
    line-height: 22px;
  }
  .index_banner .index_banner_mouse {
    margin-top: 50px;
  }
  .index_banner .index_banner_mouse .mouse_icon {
    font-size: 36px;
  }
  .index_banner .index_banner_mouse .mouse_line_list {
    margin-top: 0px;
  }
  .index_banner .index_banner_mouse .mouse_line_list .mouse_line_item {
    font-size: 14px;
  }
  .index_banner .swiper_pagination {
    left: 15px;
  }
  .index_banner .swiper_pagination .swiper_pagination_num .swiper_pagination_num_active {
    font-size: 40px;
  }
  .index_banner .swiper_pagination .swiper_pagination_num .swiper_pagination_num_text {
    font-size: 20px;
  }
  .index_banner .swiper_control_container {
    bottom: 0;
  }
}
@media screen and (max-width: 1200px) {
  .index_banner .slide_item .item_explain .item_explain_container {
    width: 75%;
  }
  .index_banner .slide_item .item_picture .banner_p {
    display: none;
  }
  .index_banner .slide_item .item_picture .banner_m {
    display: block;
  }
  .index_main .main .main_title .main_title_text {
    font-size: 26px;
  }
  .index_main .main .main_title .main_title_desc {
    margin-top: 5px;
    font-size: 16px;
  }
  .index_main .main .main_more {
    margin: 40px auto 0;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain {
    padding: 0 40px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_step {
    font-size: 40px;
    letter-spacing: 0px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_step::after {
    width: 30px;
    left: -40px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain .explain_content {
    margin-top: 10px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain {
    padding: 15px 0;
    padding-right: 10px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain .explain_title {
    width: 70%;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain .explain_right .explain_icon {
    margin-left: 10px;
  }

}
@media screen and (max-width: 768px) {
  .index_banner .slide_item .item_explain .item_explain_container {
    width: 100%;
    padding: 0 20px;
  }
  .index_banner .index_banner_mouse {
    display: none;
  }
  .index_banner .swiper_pagination {
    display: none;
  }
  .index_banner .swiper_control_container {
    display: none;
  }
  .index_main .main .main_title .main_title_text {
    font-size: 24px;
  }
  .index_main .main .main_title .main_title_desc {
    margin-top: 3px;
    font-size: 14px;
  }
  .index_main .main .main_more {
    margin: 30px auto 0;
    border-color: #ff8000;
  }
  .index_main .main .main_more .main_more_text {
    color: #ff8000;
  }
  .index_main .main .main_more .main_more_icon {
    color: #ff8000;
  }
  .index_main .main .main_more:hover {
    background: #ff8000;
  }
  .index_main .main .main_more:hover .main_more_text,
  .index_main .main .main_more:hover .main_more_icon {
    color: #fff;
  }
  .index_main .main1 {
    padding-top: 40px;
  }
  .index_main .main1 .swiper_nav {
    margin-top: 30px;
  }
  .index_main .main1 .swiper_nav .swiper-slide {
    padding: 6px 18px;
  }
  .index_main .main1 .swiper_nav .swiper-slide:not(:last-child) {
    margin-right: 10px;
  }
  .index_main .main1 .main_container {
    margin-top: 30px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_picture .explain {
    display: none;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain {
    padding: 0;
    margin-top: 12px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain .explain_title {
    width: 100%;
    padding: 0 8px;
    text-align: center;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain .explain_right {
    display: none;
  }
  .index_main .main1 .main_container .swiper_content_item .item_line {
    display: none;
  }
  .index_main .main1 .main_container .swiper_content_item:active .item_explain .explain_title {
    color: #ff8000;
  }

}
@media screen and (max-width: 640px) {
  .index_banner .slide_item .item_explain .item_explain_container .explain_title {
    font-size: 30px;
    line-height: 40px;
    letter-spacing: 1px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_title span {
    margin: 0 5px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_content {
    font-size: 20px;
    margin-top: 10px;
    letter-spacing: 0px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_desc {
    margin-top: 3px;
    font-size: 12px;
    line-height: 18px;
    letter-spacing: 0px;
  }
}
@media screen and (max-width: 480px) {
  .index_banner .slide_item .item_explain .item_explain_container {
    padding: 0 10px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_title {
    font-size: 22px;
    line-height: 30px;
    letter-spacing: 0px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_title span {
    margin: 0 3px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_content {
    font-size: 16px;
    margin-top: 8px;
  }
  .index_banner .slide_item .item_explain .item_explain_container .explain_desc {
    line-height: 16px;
  }
  .index_main .main .main_title .main_title_text {
    font-size: 22px;
  }
  .index_main .main .main_title .main_title_desc {
    font-size: 12px;
  }
  .index_main .main .main_more {
    margin: 25px auto 0;
  }
  .index_main .main1 {
    padding-top: 30px;
  }
  .index_main .main1 .swiper_nav {
    margin-top: 20px;
  }
  .index_main .main1 .swiper_nav .swiper-slide {
    padding: 5px 15px;
  }
  .index_main .main1 .swiper_nav .swiper-slide:not(:last-child) {
    margin-right: 5px;
  }
  .index_main .main1 .main_container {
    margin-top: 18px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain {
    margin-top: 8px;
  }
  .index_main .main1 .main_container .swiper_content_item .item_explain .explain_title {
    width: 100%;
    padding: 0 5px;
  }
}