.carousel {
  width: 100%;
  height: 993px;
  position: relative;
}

.carousel .carousel_bg {
  width: 100%;
  height: 100%;
  position: relative;
  /* z-index: -100; */
}

/* 轮播图样式 */
.SwiperBox {
  position: relative;
  height: 100%;
  box-sizing: border-box;
  cursor: pointer;
  overflow: hidden;
}

.carousel_inner {
  position: relative;
  top: 0px;
  left: 0px;
  transition: left 0.8s ease;
  display: flex;
  justify-content: flex-start;
  height: 100%;
}

.carousel_item {
  height: 100%;
}

.carousel_img {
  height: 100%;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
/* 图片默认样式 */
.carousel_inner img {
  flex-shrink: 0;
  height: 100%;
}

/* 两个按钮共有的样式,也可直接使用箭头图片替代 */
.leftBtn,
.rightBtn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(109, 109, 109, 0.445);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
}

.leftBtn {
  left: 10px;
}

.rightBtn {
  right: 10px;
}

/* 下方指示器盒子 */
.instBox {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 10px;
  display: flex;
}

/* 小圆点 */
.carousel_btn .carousel_btn_item.instActv {
  width: 42px;
  border-radius: 14px;
}

.carousel_btn {
  display: flex;
  position: absolute;
  top: 435px;
  left: 50%;
  transform: translatex(-50%);
}

.carousel_btn_item {
  width: 14px;
  height: 14px;
  background: #ddf5fc;
  /* opacity: 0.8; */
  border-radius: 50%;
  margin-right: 14px;
}

.carousel_btn .carousel_btn_item:last-child {
  margin-right: 0;
}

/* **************** */

.header,
.index_navigation,
.video_area,
.news_center,
.serve_head,
.serve_body {
  width: 1200px;
}

.header {
  position: absolute;
  top: 20px;
  display: flex;
  justify-content: space-between;
}
.header .computer {
  width: 20px;
  height: 18px;
  background: url("../image/computer.png");
  background-size: auto;
  transition: all 0.3s ease;
}
.logo {
  width: 338px;
  /* height: 92px; */
}

.old_page {
  display: flex;
  align-items: center;
  margin-top: 10px;
  height: 16px;
  line-height: 16px;
  font-size: 16px;
  color: #186daa;
}
.old_page span {
  color: #ec6941;
  font-weight: bold;
  transition: all 0.3s ease;
}
.header .old_page:hover span {
  font-size: 22px;
}
.header .old_page:hover .computer {
  background: url("../image/computer1.png");
}
.index_navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #84c1e9;
  position: absolute;
  top: 131px;
  z-index: 900;
}

.index_navigation img:first-child {
  display: none;
  width: 254px;
  height: 47px;
  /* margin-right: 50px; */
}
.placeholder {
  flex: 1;
  height: 100%;
}
.nav_parent {
  width: 100%;
  display: flex;
  align-items: center;
}
.nav {
  width: 920px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav a {
  color: #186daa;
}
.index_navigation.sticky {
  position: fixed;
  top: 0;
  z-index: 100;
  background-color: rgba(183, 227, 253, 0.75);
  width: 100%;
  height: 78px;
  border-bottom: 0;
  box-sizing: border-box;
  box-shadow: 0 0 18px 0 rgb(0 0 0 / 20%);
  animation: dropDown 1s ease-in-out forwards;
}
.index_navigation.sticky .placeholder {
  width: 0;
}
.index_navigation.sticky .nav_parent {
  /* width: 1200px; */
  width: 80%;
  display: flex;
  align-items: center;
  position: relative;
  box-sizing: border-box;
}
.index_navigation.sticky img:first-child {
  display: block;
}

.index_navigation.sticky .nav {
  width: auto;
  height: 60px;
}
@keyframes dropDown {
  from {
    transform: translateY(-100px);
  }

  to {
    transform: translateY(0);
  }
}
.search_box {
  right: 0;
  margin-left: 30px;
}
/* #phoneNav {
  display: none;
} */
.nav > li,
.phoneNav > li {
  height: 19px;
  line-height: 19px;
  font-size: 20px;
  color: #186daa;
  padding: 10px 18px 11px;
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.nav > li:after {
  content: "";
  position: absolute;
  border-bottom: 4px solid #f19149;
  left: 51%;
  right: 51%;
  bottom: -4px;
  transition: all 0.3s linear;
}

.nav li.navAct a,
.nav > li > span {
  /* text-shadow: 2px 2px #ffffff; */
  font-weight: bold;
}

.nav > li.navAct:after,
.phoneNav > li.navAct:after {
  border-bottom: 4px solid #f19149;
  left: 0;
  right: 0;
}

.nav > li:hover:after {
  left: 0;
  right: 0;
}

/* .nav > li:hover > span {
  text-shadow: 2px 2px #ffffff;
} */

/* .sub_menu > li > a {
  font-size: 18px;
  line-height: 18px;
}

.sub_menu > li > a > span {
  height: 18px;
} */
.nav > li:hover,
.nav > li.navActPad {
  background-color: #28a6e2;
}
.nav > li:hover > span,
.nav > li.navAct:hover a,
.nav > li.navActPad a {
  color: #ffffff;
  text-shadow: none;
}
.nav li:hover > .sub_menu,
.nav li.navActPad > .sub_menu {
  visibility: visible;
  opacity: 1;
  transition: all 0.7s ease;
}

.video_area {
  position: absolute;
  top: 505px;
  height: 400px;
  /* background-color: #186daa; */
  background-color: rgba(24, 109, 170, 0.75);
  box-shadow: 0px 4px 16px 0px rgba(0, 0, 0, 0.15);
  display: flex;
}

.video {
  width: 670px;
  height: 100%;
  object-fit: fill;
  /* position: relative;
  top: -30px;
  left: 20px; */
  margin-right: 70px;
}

.video_str {
  width: 460px;
}

.arrows {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 50px;
  margin: 38px 0 33px;
}
.arrows span {
  display: inline-block;
  width: 1px;
  height: 14px;
  background: #ffffff;
  opacity: 0.5;
  margin: 0 9px;
}

.arrows_tit {
  height: 37px;
  line-height: 37px;
  font-size: 37px;
  font-weight: bold;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  margin-right: 60px;
}

.arrows_txt {
  margin-top: 40px;
  margin-right: 60px;
  height: 120px;
  font-size: 15px;
  color: #b1d8f2;
  line-height: 25px;
  position: relative;
  overflow: hidden;
}

.arrows_txt_carousel {
  position: absolute;
  display: flex;
}

.arrows_txt_carousel > div {
  height: 100%;
  box-sizing: border-box;
  text-align: justify;
}

.arrows_border {
  margin-right: 60px;
  height: 1px;
  background-color: #28a6e2;
  margin-top: 25px;
}

.video_more {
  margin-top: 18px;
  width: 175px;
  height: 43px;
  border-radius: 43px;
  background-color: #136098;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  float: right;
  margin-right: 60px;
  transition: 0.3s ease;
}
.video_more:hover {
  background: #0a4976;
}
.video_more:hover .video_more_txt {
  margin-right: 25px;
}
.video_more_txt {
  height: 43px;
  line-height: 43px;
  font-size: 15px;
  color: #28a6e2;
  margin-right: 14px;
  transition: 0.3s ease;
}

.news {
  position: relative;
  width: 100%;
  height: 738px;
  box-sizing: border-box;
  background-color: #c6e3f5;
  /* background: url('/assets/imgs/index/carouselBg1.png') no-repeat; */
  /* background-size: 100% 100%; */
  padding-top: 81px;
  overflow: hidden;
  display: flex;
}

.news_head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  z-index: 50;
}

.small_title {
  height: 22px;
  font-size: 22px;
  color: #186daa;
  line-height: 22px;
  padding-bottom: 15px;
  border-bottom: 5px solid #186daa;
}
.news_bubble {
  width: calc(50% - 600px);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.news_nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.news_nav li {
  margin-left: 50px;
}

.news_nav li a {
  padding: 7px 11px;
  height: 18px;
  font-size: 18px;
  color: #186daa;
  line-height: 18px;
  transition: all 0.3s ease;
}

.news_nav li:hover a {
  color: #ffffff;
  background-color: #186daa;
}

.news_nav li.news_nav_active a {
  color: #ffffff;
  background-color: #186daa;
}

.news_body {
  margin-top: 45px;
  display: flex;
  position: relative;
  z-index: 50;
  cursor: pointer;
}

.imgnews_left,
.waternews_left {
  width: 494px;
  height: 459px;
  margin-right: 86px;
}
.imgnews_left {
  overflow: hidden;
  position: relative;
}
.imgnews_area {
  height: 100%;
  position: relative;
  left: 0;
  transition: left 0.3s ease;
}
.imgnews_btn_box {
  width: 50px;
  position: absolute;
  right: 45px;
  bottom: 12px;
  display: flex;
  justify-content: space-between;
}
.imgnews_btn {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #218ECB;
}
.imgnews_btn.imgnews_btn_active {
  background-color: #EC9F67;
}
.imgnews_box {
  float: left;
}
.imgnews_left .img {
  width: 100%;
  height: 308px;
  overflow: hidden;
}

.imgnews_left .img img {
  width: 100%;
  height: 100%;
  transition: all 0.3s ease;
}

.imgnews_left:hover .img img {
  transform: scale(1.2);
}

.news_arrows {
  height: 151px;
  display: flex;
  color: #ffffff;
  background-color: #186daa;
  box-sizing: border-box;
  padding-top: 26px;
  padding-left: 25px;
  padding-right: 45px;
}

.news_arrows_date {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-right: 25px;
}

.news_arrows_date span:first-child {
  height: 25px;
  font-size: 32px;
  font-weight: bold;
  line-height: 25px;
  margin-bottom: 10px;
}

.news_arrows_date span:last-child {
  height: 11px;
  font-size: 14px;
  color: #ddf5fc;
  line-height: 11px;
}

.news_arrows_title {
  height: 19px;
  line-height: 19px;
  font-size: 18px;
  color: #e7f6fb;
  overflow: hidden;
}

.news_arrows_draw {
  width: 100%;
  height: 1px;
  background-color: #218ecb;
  margin: 12px 0 15px;
}

.news_arrows_txt {
  height: 37px;
  font-size: 15px;
  color: #ddf5fc;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-all;
}

.imgnews_list {
  width: 620px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.news_item p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.news_item:hover p,
.news_item_active:hover .news_item_title,
.news_item_active:hover .news_item_active_date {
  padding-left: 10px;
  padding-right: 10px;
}

.news_item_title {
  white-space: nowrap;
}

.news_item p,
.news_item_title {
  border-bottom: 1px solid #9cc9e8;
  padding-bottom: 20px;
}

.news_item p span:first-child,
.news_item_title {
  height: 19px;
  font-size: 18px;
  color: #186daa;
  line-height: 19px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.news_item p span:last-child {
  font-size: 14px;
  color: #28a6e2;
  height: 14px;
  line-height: 14px;
  white-space: nowrap;
  margin-left: 50px;
}

.news_item_active {
  display: flex;
  justify-content: space-between;
}

.news_item_txt {
  height: 56px;
  font-size: 15px;
  color: #535353;
  line-height: 19px;
  margin: 20px 0 70px;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.news_item_active_date {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.3s ease;
}

.news_item_active_date p:first-child {
  height: 25px;
  font-size: 32px;
  font-weight: bold;
  color: #28a6e2;
  line-height: 25px;
  margin-bottom: 11px;
}

.news_item_active_date p:last-child {
  height: 11px;
  font-size: 14px;
  color: #28a6e2;
  line-height: 11px;
}
.wave_first,
.wave_second {
  position: absolute;
  width: 100%;
}
.wave_first {
  top: 425px;
}
.wave_second {
  top: 490px;
}
.waternews_left {
  position: relative;
}
.waternews_left_head {
  width: 100%;
  display: flex;
  align-items: center;
  padding-bottom: 23px;
  border-bottom: 1px solid #9cc9e8;
  margin-bottom: 40px;
}
.waternews_title {
  flex: 1;
  font-size: 22px;
  line-height: 26px;
  color: #186daa;
  margin-left: 31px;
  height: 52px;
  overflow: hidden;
}
.waternews_left_content {
  height: 249px;
  color: #394e69;
  line-height: 25px;
  overflow: hidden;
}
.waternews_btn {
  width: 116px;
  height: 31px;
  font-size: 16px;
  color: #ddf5fc;
  line-height: 31px;
  text-align: center;
  background-color: #28a6e2;
  position: absolute;
  right: 0;
  bottom: 0;
}
/* 
水泡动画
*/
span.buble {
  position: absolute;
  bottom: 0;
  border-radius: 50%;
  animation: myMove 4s linear infinite;
  transition: 2s;
}

@keyframes myMove {
  0% {
    transform: translateY(0%);
    opacity: 1;
  }

  50% {
    transform: translate(10%, -1000%);
  }

  75% {
    transform: translate(-20%, -1200%);
  }
  99% {
    opacity: 0.9;
  }
  100% {
    transform: translateY(-1800%) scale(1.5);
    opacity: 0;
  }
}
/* ************** */

.serve {
  position: relative;
  width: 100%;
  height: 750px;
  padding-top: 81px;
  box-sizing: border-box;
  background-color: #ddf5fc;
}

.serve_body {
  margin-top: 53px;
  display: flex;
}

.serve_body_left {
  width: 896px;
  display: flex;
  flex-wrap: wrap;
}

.serve_item {
  width: 216px;
  height: 216px;
  padding-top: 41px;
  padding-bottom: 25px;
  box-sizing: border-box;
  margin-right: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  overflow: hidden;
}
.serve_item:hover .serve_item_img {
  height: 40px;
}
.serve_item:hover p {
  margin: 16px auto 12px;
}
.serve_item:hover .serve_item_link {
  opacity: 1;
}
.serve_item_img {
  margin: 0 auto;
  height: 68px;
  transition: all 0.3s ease;
}
.serve_item_link {
  opacity: 0;
  width: 100px;
  margin: 36px auto 0;
  color: #186daa;
  font-size: 12px;
  text-align: center;
  line-height: 28px;
  border: 1px solid #186daa;
  text-decoration: none;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
.serve_item_link:hover {
  color: #ffffff;
  background-color: #186daa;
}

.serve_item:nth-child(1),
.serve_item:nth-child(3),
.serve_item:nth-child(6),
.serve_item:nth-child(8) {
  background-color: #cde6f7;
}

.serve_item:nth-child(2),
.serve_item:nth-child(4),
.serve_item:nth-child(5),
.serve_item:nth-child(7) {
  background-color: #add4ef;
}

.serve_item p {
  margin: 33px auto 32px;
  width: 40px;
  height: 1px;
  background-color: #186daa;
  transition: all 0.3s ease;
}

.serve_item .serve_item_txt {
  text-align: center;
  font-size: 15px;
  color: #186daa;
  line-height: 15px;
  transition: all 0.3s ease;
}

.serve_body_right {
    position: relative;
    cursor: pointer;
    width: 304px;
    height: 440px;
    box-shadow: none;
    /*background-color: #186daa;*/
    background: url("../image/hotline-1.jpg") no-repeat;
    background-size: 100% 100%;
}

/* .serve_body_right img {
  width: 100%;
  height: 100%;
  transform: scale(1);
  transition: all 3s ease;
} */
/* .serve_body_right:hover {
  transform: scale(1.2);
  box-shadow: 0px 0px 24px #186daa;
} */
.serve_body_right:hover img:nth-child(1) {
  animation: beating 2s forwards;
}
.serve_body_right img:nth-child(1) {
  margin-top: 45px;
  margin-left: 40px;
}
.serve_body_right img:nth-child(2) {
  margin-top: 40px;
  margin-left: 55px;
}
.serve_body_right img:nth-child(3) {
  position: absolute;
  bottom: 0;
  margin-left: 30px;
}
@keyframes beating {
  /*创建动画*/
  0%,
  100%,
  20%,
  50%,
  80% {
    -webkit-transform: translateY(0);
  }
  40% {
    -webkit-transform: translateY(-30px);
  }
  60% {
    -webkit-transform: translateY(-15px);
  }
}
/* @media (max-width: 1650px) {
  .index_navigation.sticky .nav_parent {
    width: 85%;
  }
}
@media (max-width: 1495px) {
  .index_navigation.sticky .nav_parent {
    width: 90%;
  }
  .search_box {
    margin-left: 0;
  }
  .nav > li {
    padding: 10px 15px 11px;
  }
}
@media (max-width: 1260px) {
  .nav > li {
    padding: 10px 12px 11px;
  }
} */
@media (max-width: 1220px) {
  html {
    font-size: 16px;
  }

  .old_page {
    display: none;
  }

  .carousel {
    height: 760px;
  }

  .logo {
    width: 40%;
  }

  .header,
  .index_navigation,
  .video_area,
  .news_center,
  .serve_head {
    width: 80%;
  }
  
  .serve_body {
    width: 800px;
  }

  .index_navigation {
    top: 100px;
  }

  .index_navigation.sticky .nav_parent img {
    display: none;
  }
  .placeholder {
    width: 0;
    flex: none;
  }
  .nav {
    width: 100%;
    margin-right: 50px;
  }
  .nav > li {
    font-size: 1rem;
    position: relative;
    -webkit-tap-highlight-color: transparent;
  }
  .search_box {
    position: absolute;
  }
  .index_navigation.sticky .nav {
    width: 100%;
    margin-right: 0;
  }
  .carousel_btn {
    top: 320px;
  }

  .video_str {
    /* margin-bottom: 30px; */
    width: 48%;
  }

  .video_area {
    /* top: 120px;
    box-sizing: border-box;
    padding: 30px;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    background-color: rgba(24, 109, 170, 0.5); */
    top: 375px;
    height: 330px;
  }

  .video_str .arrows {
    margin-top: 15px;
    margin-bottom: 20px;
  }

  .video {
    width: 52%;
    top: -20px;
    left: 15px;
    margin-right: 40px;
  }

  .arrows_tit {
    height: 28px;
    line-height: 28px;
    font-size: 28px;
    margin-right: 0;
  }

  .arrows_txt {
    margin-right: 0;
    margin-top: 30px;
  }

  .video_str .arrows,
  .video_str .arrows_txt,
  .arrows_txt_carousel > div {
    padding-right: 15px;
  }

  .arrows_border,
  .video_more {
    margin-right: 15px;
  }

  .video_more {
    width: 155px;
    height: 35px;
  }

  .video_more_txt {
    height: 30px;
    line-height: 30px;
  }

  .news {
    height: auto;
  }
  .news,
  .news_body {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .imgnews_left,
  .waternews_left {
    width: 600px;
    margin-right: 0px;
  }

  .imgnews_list {
    margin: 50px 0 60px;
    height: 460px;
  }

  .serve,
  .serve_body {
    height: auto;
  }

  .serve_body {
    margin-bottom: 50px;
  }

  .serve_body_left {
    width: 608px;
  }
  .serve_item {
    width: 144px;
    height: 144px;
    padding-top: 20px;
  }

  .serve_item_img {
    height: 40px;
  }
  .serve_item p {
    margin: 30px auto 22px;
  }
  .serve_item_link {
    opacity: 0;
    width: 80px;
    line-height: 20px;
    margin: 16px auto 0;
  }

  /* .serve_item:nth-child(even) {
    margin-right: 0;
  } */

  /* .serve_item:nth-child(1),
  .serve_item:nth-child(4),
  .serve_item:nth-child(5),
  .serve_item:nth-child(8) {
    background-color: #cde6f7;
  }

  .serve_item:nth-child(1),
  .serve_item:nth-child(4),
  .serve_item:nth-child(5),
  .serve_item:nth-child(8) {
    background-color: #cde6f7;
  }

  .serve_item:nth-child(2),
  .serve_item:nth-child(3),
  .serve_item:nth-child(6),
  .serve_item:nth-child(7) {
    background-color: #add4ef;
  } */
}

@media (max-width: 650px) {
  ul.sticky,
  .header,
  .index_navigation,
  #phoneNav {
    display: none;
  }

  .news_center,
  .serve_head,
  .serve_body {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }
  .arrows_txt_carousel > div {
    padding-right: 0;
  }
  .carousel {
    height: auto;
    position: relative;
    padding: 0 15px 30px;
    box-sizing: border-box;
  }
  .carousel_img {
    background-size: contain;
  }
  .carousel .carousel_bg {
    position: absolute;
  }

  .carousel_btn {
    z-index: 200;
    top: 125px;
  }
  .carousel_btn_item {
    width: 4px;
    height: 4px;
    margin-right: 5px;
  }
  .carousel_btn .carousel_btn_item.instActv {
    width: 13px;
    border-radius: 4px;
  }
  .arrows_tit {
    height: 22px;
    line-height: 22px;
    font-size: 22px;
  }

  .arrows_txt {
    font-size: 14px;
    line-height: 18px;
    margin-top: 20px;
    color: #b1d8f2;
  }
  .arrows_border {
    margin-top: 15px;
  }
  .video_area {
    height: auto;
    /* background-color: #186daa; */
    background-color: rgba(24, 109, 170, 0.75);
    flex-direction: column;
    align-items: center;
    margin-top: 155px;
    box-shadow: none;
    position: initial;
    width: auto;
    /* padding: 0 10px; */
  }

  .video {
    width: 100%;
    height: 190px;
    position: relative;
    top: 0;
    margin-bottom: 10px;
    left: 0;
    margin-right: 0;
  }

  .video_str {
    width: 100%;
    margin-bottom: 20px;
    box-sizing: border-box;
    padding: 0 20px;
  }

  .arrows {
    margin: 20px 0;
  }

  .video_more {
    width: 140px;
    height: 40px;
  }
  .video_more_txt {
    height: 20px;
    line-height: 20px;
    margin-right: 10px;
    font-size: 14px;
  }
  .news,
  .serve {
    padding-top: 21px;
  }

  .small_title {
    height: 18px;
    font-size: 18px;
    line-height: 18px;
    padding-bottom: 10px;
    border-bottom: 3px solid #186daa;
  }

  .news_head {
    align-items: center;
  }

  .news_nav {
    justify-content: space-between;
  }

  .news_nav li {
    margin-left: 0;
  }

  .news_nav li a {
    padding: 3px 4px;
    height: 13px;
    font-size: 13px;
    color: #186daa;
    line-height: 15px;
    transition: all 0.3s ease;
  }

  .news_body {
    margin-top: 25px;
  }

  .imgnews_left,
  .waternews_left {
    width: 100%;
    height: auto;
  }
  .imgnews_left {
    margin-bottom: 30px;
  }
  .imgnews_btn_box {
    right: 20px;
    bottom: 5px;
  }
  .imgnews_left .img {
    height: 208px;
  }
  .waternews_left {
    margin-bottom: 30px;
  }
  .waternews_left_content {
    height: auto;
  }
  .waternews_btn {
    position: relative;
    left: 100%;
    transform: translateX(-100%);
  }
  .news_arrows {
    padding: 16px 20px 20px;
    height: auto;
  }

  .news_arrows_title {
    height: 14px;
    line-height: 14px;
    font-size: 14px;
  }

  .news_arrows_draw {
    margin: 6px 0 8px;
  }

  .news_arrows_txt {
    font-size: 14px;
  }

  .imgnews_list {
    margin: 10px 0 30px;
    width: 100%;
  }

  .news_item p,
  .news_item_title {
    border-bottom: 1px solid #9cc9e8;
    padding-bottom: 25px;
  }

  .news_item p span:first-child,
  .news_item_title {
    height: 14px;
    font-size: 14px;
    color: #186daa;
    line-height: 16px;
  }

  .news_item_txt {
    font-size: 13px;
    margin: 20px 0 50px;
  }

  .news_item p span:first-child {
    width: 75%;
  }
  .news_item p span:last-child {
    margin-left: 30px;
  }

  .serve_body {
    flex-direction: column;
    align-items: center;
    margin-top: 25px;
  }

  .serve_body_left {
    width: 308px;
  }

  .serve_item {
    width: 150px;
    height: 150px;
    padding-top: 20px;
  }

  .serve_item_img {
    height: 40px;
  }
  .serve_item p {
    margin: 30px auto 22px;
  }
  .serve_item_link {
    opacity: 0;
    width: 80px;
    line-height: 20px;
    margin: 16px auto 0;
  }
  .serve_item:nth-child(even) {
    margin-right: 0;
  }

  .serve_item:nth-child(1),
  .serve_item:nth-child(4),
  .serve_item:nth-child(5),
  .serve_item:nth-child(8) {
    background-color: #cde6f7;
  }

  .serve_item:nth-child(2),
  .serve_item:nth-child(3),
  .serve_item:nth-child(6),
  .serve_item:nth-child(7) {
    background-color: #add4ef;
  }
  .phoneNav > li {
    margin-bottom: 15px;
    padding: 0;
    height: auto;
    font-size: 20px;
    line-height: 20px;
    align-items: flex-end;
  }
}

@media (min-width: 650px) and (max-width: 1220px) {
  .serve_body_right {
    width: 192px;
    height: 296px;
  }

  .serve_body_right img:nth-child(1) {
    width: 120px;
    margin-top: 35px;
    margin-left: 30px;
  }
  .serve_body_right img:nth-child(2) {
    width: 120px;
    margin-left: 45px;
  }
  .serve_body_right img:nth-child(3) {
    width: 180px;
    margin-left: 5px;
  }
  .video_area {
    height: 40%;
  }
  .arrows_tit {
    height: 24px;
    line-height: 22px;
    font-size: 26px;
  }
  .arrows_txt {
    margin-top: 15px;
    line-height: 20px;
  }
  .arrows_border {
    margin-top: 18px;
  }
}

@media (min-width: 650px) and (max-width: 1020px) {
  .nav > li {
    padding: 0.6rem 3px;
  }
  .carousel {
    height: 620px;
  }
  .carousel_btn {
    top: 240px;
  }
  .index_navigation {
    top: 85px;
  }
  .video {
    margin-right: 30px;
  }
  .video_area {
    top: 300px;
  }
  .arrows_txt {
    height: 80px;
    box-sizing: border-box;
  }
  .video_str .arrows {
    margin-top: 12px;
    margin-bottom: 15px;
  }
  .video_more {
    margin-top: 18px;
  }
  .news_nav li {
    margin-left: 20px;
  }
  .serve_body {
    width: 600px;
  }
  .serve_body_left {
    width: 460px;
  }
  .serve_item {
    width: 109px;
    height: 109px;
    padding-top: 15px;
    margin-right: 6px;
    margin-bottom: 6px;
  }
  .serve_body_right {
    width: 140px;
    height: 224px;
  }
  .serve_item_img {
    height: 30px;
  }
  .serve_item:hover .serve_item_img {
    height: 25px;
  }
  .serve_item p {
    margin: 18px auto 15px;
  }
  .serve_item:hover p {
    margin: 13px auto 9px;
  }
  .serve_item_link {
    width: 64px;
    line-height: 18px;
    margin: 5px auto 0;
  }
  .serve_body_right img:nth-child(1) {
    width: 100px;
    margin-top: 25px;
    margin-left: 20px;
  }
  .serve_body_right img:nth-child(2) {
    width: 100px;
    margin-left: 25px;
    margin-top: 28px;
  }
  .serve_body_right img:nth-child(3) {
    width: 130px;
  }
  .serve_body_right:hover img:nth-child(1) {
    animation: beatings 2s forwards;
  }
  @keyframes beatings {
    /*创建动画*/
    0%,
    100%,
    20%,
    50%,
    80% {
      -webkit-transform: translateY(0);
    }
    40% {
      -webkit-transform: translateY(-20px);
    }
    60% {
      -webkit-transform: translateY(-10px);
    }
  }
}

@media (min-width: 1220px) {
  body {
    height: calc(100vh / var(--zoom)) !important;
    overflow: hidden;
  }
  #app {
    position: relative;
    top: 0px;
  }
  .carousel,.news,.serve {
    height: calc(100vh / var(--zoom));
  }
  .carousel_btn {
    top: 43%;
  }
  .video_area {
    top: 50%;
  }
  .news,.serve {
    /* padding-top: 0; */
  }
  .news {
    align-items: center;
  }
  .serve {
    justify-content: center;
  }
}