html {
  width: 100%;
  height: 100%;
}

body {
  width: 100%;
  height: 100%;
}

.mainBody {
  background: #f6f6f6;
}

.topHeader {
  height: 60px;
  z-index: 99;
}

.topHeader .topContainer {
  height: 60px;
  position: relative;
}

.topContainer img {
  position: absolute;
  top: 6px;
}

#zhTopLogo {
  width: 160px;
  top: 6px;
  left: 100px;
}

.top-language {
  font-size: 16px;
  position: absolute;
  top: 20px;
  right: 0px;
  color: #666666;
}

#eng-language {
  cursor: pointer;
}

.topNav {
  position: absolute;
  right: 230px;
  top: 20px;
}

.topNavItem {
  font-family: PingFang SC;
  font-weight: 400;
  font-style: Regular;
  font-size: 16px;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 0%;
  vertical-align: middle;
  cursor: pointer;
}

.topNavItem.active {
  font-weight: 600;
  font-style: Semibold;
}

.topVideo {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.videoC {
  height: 1080px;
}

.videoRedText {
  color: #ff3d3d;
  font-family: PingFang SC;
  font-weight: 600;
  font-style: Semibold;
  font-size: 60px;
  leading-trim: NONE;
  line-height: 70px;
  letter-spacing: 0%;
  vertical-align: middle;
}

.videoGrayText {
  color: #b6b6b6;
  font-family: PingFang SC;
  font-weight: 400;
  font-style: Regular;
  font-size: 28px;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 2%;
  text-align: center;
  vertical-align: middle;
  margin-top: 20px;
}

.videoBtn {
  width: 130px;
  height: 36px;
  border: 1px solid #ffffff;
  margin-top: 80px;
  cursor: pointer;
}

.videoBtn img {
  width: 12px;
  height: 12px;
  position: absolute;
  right: 16px;
}

.newsModule {
  /* margin: 0 auto;
  padding: 30px 15px; */
}

.newsTop {
  display: flex;
  justify-content: center;
}

.bstsD {
  height: 328px;
  color: #000000;
  background: #ffffff;
  position: relative;
  padding: 20px;
}

.bstsD:hover {
  color: #ffffff;
  background: unset;
  background-image: url("./images/玻璃背景.png");
  background-repeat: round;
}

.bstsTitle {
  height: 34px;
  line-height: 34px;
  font-family: PingFang SC;
  font-weight: 600;
  font-style: Semibold;
  font-size: 24px;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 0%;
  vertical-align: middle;
  margin-top: 1.5em;
}

.bstsUnderLine {
  width: 18px;
  height: 2px;
  background: #000000;
  margin-top: 12px;
}

.bstsD:hover .bstsUnderLine {
  background: #ffffff;
}

.bstsD .zhSeal {
  position: absolute;
  top: 12px;
  right: 20px;
}

.bstsD:hover .zhSeal {
  display: none;
}

.bstsSpan {
  font-size: 18px;
  display: block;
  margin-top: 2em;
}

#map {
  width: 100%;
  height: 360px;
  border: 1px solid #dddddd;
  margin: auto;
}

.map-container {
  height: 360px;
  position: relative;
  overflow: hidden;
}

.map-container .map-shadow {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0px;
  background: rgba(0, 0, 0, 0.40);
  z-index: 99;
}

#map_Btn {
  width: 130px;
  height: 36px;
  border: 1px solid #ffffff;
  cursor: pointer;
  margin-top: 162px;
  margin-left: auto;
  margin-right: auto;
  color: #ffffff;
}

.news-tabs {
  width: 440px;
  height: 44px;
  line-height: 44px;
  background: #ffffff;
  border-radius: 200px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 5rem;
}

.news-tabs button {
  width: 120px;
  height: 100%;
  border-radius: 200px;
  font-family: PingFang SC;
  font-weight: 400;
  font-style: Regular;
  font-size: 18px;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 10%;
  text-align: center;
  vertical-align: middle;
}

.news-tabs button.active {
  font-family: PingFang SC;
  font-weight: 600;
  font-style: Semibold;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 10%;
  text-align: center;
  vertical-align: middle;
  border-radius: 60px;
  background: #f44a4a;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.news-tab.active .news-tab-btn {
  width: 100%;
  height: 100%;
  line-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("./images/btnbg.png");
  background-size: cover;
}

/* 新闻主体布局 */
.news-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 50px;
}

.news-item-box {
  display: none;
}

.news-item-box.show {
  display: grid;
}

.news-section .news-left {
  width: 600px;
}

/* 左侧大图新闻 */
.news-left .img-wrap {
  width: 100%;
  height: 328px;
  background: #eee;
  overflow: hidden;
  /* border-radius: 6px; */
  margin-bottom: 24px;
}

.news-left img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-left .date {
  font-size: 14px;
  color: #999999;
  margin-bottom: 6px;
}

.news-left .title {
  font-family: PingFang SC;
  font-weight: 600;
  font-style: Semibold;
  font-size: 18px;
  leading-trim: NONE;
  letter-spacing: 0%;
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.news-left .more {
  font-size: 13px;
  color: #d7000f;
  text-decoration: none;
  display: inline-block;
  margin-top: 12px;
}

/* 右侧列表新闻 */
.news-right .item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid #cccccc;
}

.news-right .text {
  flex: 1;
}

.news-right .text .title {
  margin-bottom: 4px;
  line-height: 1.5;
  font-family: PingFang SC;
  font-weight: 600;
  font-style: Semibold;
  font-size: 16px;
  letter-spacing: 0%;

  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.news-right .date {
  font-size: 14px;
  color: #999999;
  margin-top: 8px;
}

.news-right .text .more {
  font-family: PingFang TC;
  font-weight: 400;
  font-style: Regular;
  font-size: 12px;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 0%;
  margin-top: 20px;
  display: inline-block;
}

.news-right .thumb {
  width: 80px;
  height: 60px;
  flex-shrink: 0;
  background: #eee;
  border-radius: 4px;
  overflow: hidden;
}

.news-right .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .news-section {
    grid-template-columns: 1fr;
  }
  .news-left .img-wrap {
    height: 200px;
  }
  .service-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .service-list {
    grid-template-columns: 1fr;
  }
  .news-tabs button {
    padding: 6px 12px;
    font-size: 13px;
  }
}

.carousel {
  position: relative;
  width: 100%;
  max-width: 1800px;
  margin: 50px auto;
  overflow: hidden;
  padding-top: 12px;
  padding-bottom: 12px;
}

.car-wrap {
  display: flex;
  transition: transform 0.5s ease;
  gap: 35px;
}

.car-item {
  width: 332px;
  height: 208px;
  flex-shrink: 0;
  border-radius: 8px;
  transition: transform 0.3s ease;
  cursor: pointer;
  position: relative;
}

.car-item:hover {
  transform: scale(1.15);
}

.car-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

.car-item-text {
  font-family: PingFang TC;
  font-weight: 400;
  font-style: Regular;
  font-size: 14px;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 10%;
  vertical-align: middle;
  color: #ffffff;
  position: absolute;
  left: calc(50% - 32px);
  bottom: 30px;
  display: none;
}

.car-item:hover .car-item-text {
  display: block;
}

.dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.dot {
  width: 20px;
  height: 6px;
  border-radius: 20px;
  background: #d9d9d9;
  cursor: pointer;
  transition: 0.3s;
}

.dot.active {
  width: 30px;
  background: #d7000f;
}

#zhgyzh {
  display: none;
}

.nav-item {
  min-width: 100px;
  position: relative;
  color: #333;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item.active {
  color: #ff3333;
}

.arrow {
  font-size: 16px;
  transition: transform 0.3s;
}

.nav-item.active img {
  transform: rotate(180deg);
  /* color: #ff3333; */
}

.nav-item img {
  position: unset;
}

.red-arrow {
  display: none;
}

.nav-item.active .gray-arrow {
  /* display: none; */
}

.nav-item.active .red-arrow {
  /* display: block; */
}

.dropdown-menu {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #f6f6f6;
  min-width: 200px;
  min-height: 300px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: none;
  z-index: 999;
  width: max-content;
  padding: 16px 0px;
}

.nav-item.active .dropdown-menu {
  display: block;
}

.topNav .dropdown-item {
  font-size: 14px;
  padding: 6px 20px;
  display: block;
  text-align: center;
  color: #333;
  text-decoration: none;
  transition: background-color 0.2s;
}

.topNav .dropdown-item:hover {
  background-color: #fff;
  color: #ff3333;
}

.gyzhBg2_time1 {
  top: 350px;
  left: 10px;
}

.gyzhBg2_time2 {
  top: 250px;
  left: 35px;
}

.gyzhBg2_time3 {
  top: 150px;
  left: 60px;
}

.gyzhBg2_time4 {
  top: 50px;
  left: 85px;
}

.gyzhBg2_time5 {
  top: -50px;
  left: 110px;
}

#zhfwfw,
#zhdtzx,
#zhjrzh,
#zhzbsc {
  display: none;
}

.zh-footer {
  background: #333333;
}

.footer-container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding-top: 50px;
}

.footer-col {
  flex: 1;
  min-width: 220px;
  margin-bottom: 20px;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin: 8px 0;
}

.footer-nav a {
  color: #e0e0e0;
  text-decoration: none;
  font-size: 14px;
}

.footer-nav a:hover {
  color: #ffffff;
  cursor: pointer;
}

.footer-contact p {
  width: 300px;
  margin: 10px 0;
  line-height: 1.2;
  font-size: 14px;
  text-align: left;
}

.footer-qr {
  text-align: center;
  position: relative;
}

.qr-code img {
  width: 70px;
  height: 70px;
  background: #fff;
}

.qr-text {
  margin-top: 8px;
  font-size: 16px;
  text-align: left;
  font-size: 12px;
  position: absolute;
  top: 10px;
  left: 90px;
}

.uhy-logo {
  margin-top: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.uhy-logo span {
  font-size: 14px;
}

.uhy-img {
  height: 14px;
}

.footer-bottom {
  height: 80px;
  text-align: left;
  position: relative;
  top: -18px;
}

.copyright {
  width: 800px;
  font-size: 14px;
  position: absolute;
  top: 36px;
  left: calc(50% - 200px);
}

.icp-info {
  width: 800px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: absolute;
  left: calc(50% - 200px);
  top: 58px;
}

#bsys {
  /* width: 1920px; */
  height: 780px !important;
  margin-top: 4rem;
  margin-bottom: 4rem;
  background-image: url("./images/bsysbg1.png");
  /* background-repeat: round; */
  background-size: cover;
}

.bsys-page-container {
  width: 100%;
  height: 780px;
  position: relative;
  overflow: hidden;
}

.bsys-title {
  margin-top: 4rem;
}

/* 左侧文本信息 */
.info-section {
  position: absolute;
  top: 30%;
  left: 10%;
}

.info-title {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 20px;
}
.info-title .highlight {
  color: #e63946;
}

.info-list {
  font-size: 14px;
  color: #666;
  line-height: 2.2;
  margin-bottom: 30px;
}

.staff-count {
  font-size: 28px;
  font-weight: bold;
}
.staff-count .highlight {
  color: #e63946;
}

/* 右侧机构分布图 */
.map-section {
  width: 1052px;
  height: 511px;
  position: absolute;
  bottom: 0px;
  right: 10%;
}

/* 中心地球与logo */
.center-globe {
  position: absolute;
  bottom: -26px;
  left: 50%;
  transform: translateX(-50%);
  width: 930px;
  height: 493px;
  border-radius: 50% 50% 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;

  background-image: url("./images/bsysbg0.png");
  background-repeat: no-repeat;
}

/* 机构节点 */
.branch-node {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.node-red {
  /* background: radial-gradient(circle at 30% 30%, #ff8888, #ff4444, #dd2222); */
  background-image: url("./images/hongqiu.png");
  background-position: center;
  color: #ffffff;
  font-family: PingFang SC;
  font-weight: 600;
  font-style: Semibold;
  font-size: 26px;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 0%;
  text-align: center;
}

.node-transparent {
  background-image: url("./images/boliqiu.png");
  background-position: center;
  color: #000000;
  font-family: PingFang SC;
  font-weight: 400;
  font-style: Regular;
  font-size: 21px;
  leading-trim: NONE;
  line-height: 100%;
  letter-spacing: 0%;
  text-align: center;
}

.node-shanghai {
  top: 49%;
  left: 7%;
}
.node-nanjing {
  top: 80%;
  left: 2.5%;
}
.node-hangzhou {
  top: 65%;
  left: 17%;
}
.node-shenzhen {
  top: 22%;
  left: 17%;
}
.node-ningbo {
  top: 31%;
  left: 35%;
}
.node-beijing {
  top: 4%;
  left: 34%;
}
.node-hefei {
  top: 2%;
  left: 53%;
}
.node-zhengzhou {
  top: 32%;
  left: 59%;
}
.node-guangzhou {
  top: 17%;
  left: 72%;
}
.node-chengdu {
  top: 66%;
  left: 75%;
}
.node-kunming {
  top: 43%;
  left: 83%;
}
.node-hongkong {
  top: 79%;
  left: 90%;
}

/* ====================== */
/* 手机端自适应 - 不影响原有样式 */
/* ====================== */
@media screen and (max-width: 768px) {
  * {
    box-sizing: border-box !important;
  }
  html,
  body {
    width: 100% !important;
    overflow-x: hidden !important;
  }
  img,
  video,
  iframe {
    max-width: 100% !important;
    height: auto !important;
  }
  /* 所有容器自适应 */
  .mainBody,
  .topContainer,
  .news-section,
  .carousel,
  .bstsD,
  .bsys,
  .zh-footer,
  .footer-container {
    width: 92% !important;
    max-width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  /* 导航手机端竖排 */
  .nav-list {
    flex-direction: column !important;
    width: 100% !important;
  }
  /* 多列布局 → 手机单列 */
  .bstsD,
  .footer-container,
  .bsys {
    display: block !important;
    grid: none !important;
    flex-direction: column !important;
  }
  /* 新闻左右布局 → 单列 */
  .news-left,
  .news-right {
    width: 100% !important;
    float: none !important;
  }
  /* 轮播适配 */
  .car-wrap {
    display: flex !important;
    overflow-x: auto !important;
    gap: 10px !important;
  }
  .car-item {
    min-width: 240px !important;
  }
  /* 视频文字缩小 */
  .videoRedText {
    font-size: 20px !important;
  }
  .videoGrayText {
    font-size: 14px !important;
  }
}

/* 平板适配 */
@media screen and (min-width: 769px) and (max-width: 991px) {
  .bstsD {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .footer-container {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}