*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: MiSans, MiSans;
}
body {
  background: #EFF2F9;
  font-family: "MiSans, MiSans", sans-serif;
}
header {
  height: 64px;
  display: flex;
  padding: 0 90px;
  flex-direction:row;
  align-items:center;
  background: #EFF2F9;
  justify-content:space-between;

  top: 0;
  z-index: 999;
  position: sticky; 
  transition: all 0.3s ease;
}
header.header-scrolled {
  background: #FFFFFF; /* 滚动后背景色变为白色（可自定义） */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08); /* 添加轻微阴影，增强层次感 */
  height: 60px; /* 滚动后高度轻微缩小（可选） */
}
.logo{
  width: 100px;
  height: auto;
}
.logo img{
  width: 100%;
}
nav ul {
  gap: 40px;
  display: flex;
  list-style: none;
  align-items:center;
}
nav ul li {
  font-size: 16px;
  color: #333333;
  font-weight: 500;
  position: relative;
  padding-bottom: 8px;
  font-family: MiSans, MiSans;
}

nav ul li a {
  color: #333333;
  text-decoration: none;
  font-size: 16px;
  padding-bottom: 5px;
  position: relative;
  transition: color 0.3s ease;
  display: inline-block; /* 让伪元素能正确定位 */
}

nav ul li a.active {
  color: #1876FF;
  font-weight: bold;
  font-family: MiSans, MiSans;
}



nav ul li a.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  transform: translateY(21px); 
  transition: width 0.3s ease;
  background-color: #007bff;
}
section{
  width: 100%;
  height: auto;
}
h3{
  margin: 0;
  font-size: 32px;
  color: #333333;
  font-weight: bold;
  padding-bottom: 40px;
  font-family: MiSans, MiSans;
}
.section1 img{
  width: 100%;
  height: auto;
}
.section2{
  background: #F7F9FC;
  padding: 60px 12% 60px;
}
.section3{
  gap: 32px;
  display: flex;
  flex-direction:column;
}
.card-container{
  gap: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  /* display: flex; */
  align-items:flex-start; /* 调整为顶部对齐 */
  flex-wrap: wrap; /* 适配小屏幕 */
}
.card {
  /* width: calc(33.333% - 21.333px); */
  width: 100%;
  height: 100%;
  border-radius: 16px;
  padding:40px; /* 底部padding统一为20px */
  background-color: #fff;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
  display: flex; /* 启用flex布局 */
  flex-direction: column; /* 垂直排列子元素 */
}
.card:hover {
  transform: translateY(-5px);
}
.card-tag {
  font-size: 8px;
  color: #888;
  margin-bottom: 16px; 
  font-family: MiSans, MiSans;
}
.card-title{
  margin: 0 0 20px 0; /* 标题底部间距，可根据需要调整 */
  font-size: 20px; 
  color: #333333;
  text-align: left;
  font-weight: bold;
  font-family: MiSans, MiSans;
}
.card-desc{
  margin: 0;
  font-size: 16px; 
  font-weight: 400;
  color: #333333;
  line-height: 28px; 
  font-family: MiSans, MiSans;
  flex: 1; /* 自动填充剩余垂直空间 */
}
.card::after {
  left: 0;
  bottom: 0;
  content: "";
  height: 3px;
  width: 100%;
  display: block;
  position: absolute; 
  border-radius: 0 0 16px 16px;
}
.card:nth-child(1)::after {
  background: linear-gradient(to right, #00b050, #00b050);
}
.card:nth-child(2)::after {
  background: linear-gradient(to right, #0070c0, #0070c0);
}
.card:nth-child(3)::after {
  background: linear-gradient(to right, #ff9900, #ff9900);
}
.card-container:nth-child(2) .card:nth-child(1)::after {
  background: linear-gradient(to right, #c00000, #c00000);
}
.card-container:nth-child(2) .card:nth-child(2)::after {
  background: #3E56AD;
}
.section4{
  position: relative;
}
.section4 img{
  width: 100%;
  height: auto;
}
.section4_div{
  top: 0;
  width: 100%;
  position: absolute;
  padding: 88px 12% 120px;
}

.tab-container {
  width: 100%;
  display: flex;
  border: 1px solid #FFFFFF;
  border-radius: 16px;
  background: rgba(255,255,255,0.4);
}
.tab-buttons {
  padding: 48px 65px 48px 46px;
  border-radius: 16px 0px 0px 16px ;
  background: rgba(255,255,255,0.6);
  border-right: 1px solid #f0f0f0;
}
.tab-btn {  
  cursor: pointer;
  font-size: 20px;
  font-weight: 500;
  color: #999999;
  padding: 12px 0px;
  position: relative;
  border-radius: 4px;
  margin-bottom: 36px;
  transition: all 0.3s ease;
  font-family: MiSans, MiSans;
}
.tab-btn::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-size: contain;
  background-repeat: no-repeat;
  display: none;
}
.tab-btn.active {
  font-size: 20px;
  text-align: left;
  color: #333333;
  font-weight: bold;
  font-family: MiSans, MiSans;
}
.tab-btn.active::before {
  display: block;
  background-image: url('../imges/tab_qiehuan.png');
}
.tab-content {
  flex: 1;
  position: relative;
  min-height: 150px;
}
/* 为每个content-item添加独立背景图样式，统一路径前缀 */
.content-item {
  width: 100%;
  height: 100%;
  display: none;
  /* padding:0px 25px; */
  line-height: 1.6;
  color: #666;
  position: relative;
  min-height: 220px;
  border-radius: 6px;
  box-sizing: border-box;
  background-size: cover; /* 背景图覆盖容器 */
  background-position: center; /* 背景图居中 */
  background-repeat: no-repeat; /* 禁止背景图重复 */
  background-blend-mode: overlay; /* 背景图与底色混合，提升文字可读性 */
}
/* 前沿技术应用背景图 */
.content-item.tech-bg {
  background-image: url('./imges/bg_tech.png');
   /* background: rgba(255,255,255,0.4); 浅色底色混合，避免文字与背景冲突 */
}
/* 全场景覆盖背景图 */
.content-item.scene-bg {
  background-image: url('./imges/bg_scene.png');
  /* background: rgba(255,255,255,0.4); */
}
/* 生态级价值重构背景图 */
.content-item.ecology-bg {
  background-image: url('./imges/bg_ecology.png');
  /* background: rgba(255,255,255,0.4); */
}
/* 超强互通能力背景图 */
.content-item.interop-bg {
  background-image: url('./imges/bg_interop.png');
  /* background: rgba(255,255,255,0.4); */
}
/* Boaas教练体系背景图 */
.content-item.boaas-bg {
  background-image: url('./imges/bg_boaas.png');
  /* background: rgba(255,255,255,0.4); */
}
.content-item.active {
  display: block;
}
.content-item h4 {
  margin-top: 0;
  font-size: 20px;
  font-weight: bold;
  color: #333333;
  margin-bottom: 32px;
  font-family: MiSans, MiSans;
}
.content-item p{
  position: relative;
  margin: 0;
  max-width: 572px;
  padding-right: 46px;
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  text-align: justified;
  font-family: MiSans, MiSans;
  z-index: 2;
}
.tech-icon {
  position: absolute;
  right: 102px;
  bottom: 124px;
  width: 200px;
  height: 200px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  z-index: 1; /* 确保图标在背景图之上 */
}


.industry-tabs-nav {
  display: flex;
  gap: 40px;
  border-bottom: 1px solid #EEEEEE;
  flex-wrap: wrap;
  align-items:center;
}

.industry-tab {
  line-height: 32px;
  font-size: 20px;
  font-weight: 400;
  color: #999999;
  cursor: pointer;
  text-align: center;
  padding-bottom: 24px;
  position: relative;
  transition: all 0.3s ease;
  font-family: MiSans, MiSans;
}

.industry-tab.active {
  font-size: 20px;
  color: #333333;
  font-weight: bold;
  text-align: center;
  font-family: MiSans, MiSans;
}

.industry-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  border-radius: 2px;
  background-color: #1876FF;
  
}

.industry-tabs-content {
  display: flex;
  min-height: 400px;
}

.industry-tab-content {
  display: none;
  width: 100%;
}

.industry-tab-content.active {
  display: flex;
}

.tab-text {
  width: 50%;
  /* padding: 80px 138px 0px 90px; */
  padding: 80px calc(70% * 0.127) 0px 90px;
}

.tab-text h4 {
  font-size: 20px;
  text-align: left;
  color: #333333;
  font-weight: bold;
  margin-bottom: 24px;
  font-family: MiSans, MiSans;
}

.tab-text p {
  
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  text-align: justify;
  font-family: MiSans, MiSans;
}

.tab-image {
  width: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tab-image img {
  max-width: 100%;
  height: auto;
  background: #FFFFFF;
}
.section5{
  column-gap:24px;
  row-gap: 24px; /*纵向*/
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
.section5_bigdiv{
  gap: 40px;
  display: flex;
  flex-direction:column;

}
.section5_div{
  
  height: auto;
  /* max-width: 588px; */
  position: relative;
  border: 2px solid;
  border-radius: 16px;
  border-image: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
  background: linear-gradient( 180deg, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0.8) 100%);
  
}
.section5 img{
  width: 113px;
  height: auto;
}
.section5_text{
  /* top: min(calc((100% * 0.1 * 2 / 90) * 144), 144px);
  left: calc(100% * 0.083 * 2);
  right: calc(100% * 0.083 * 2); */
  height: 100%;
  padding: 40px;
  z-index: 20;
  border-radius:16px;
  position: relative;
}
.section5_px1{
  font-size: 8px;
  text-align: left;
  font-weight: 500;
  color: #666666;
  padding-bottom: 24px;
  font-family: MiSans, MiSans;
}
.section5_px2{
  font-size: 24px;
  text-align: left;
  color: #333333;
  font-weight: bold;
  padding-bottom: 32px;
  font-family: MiSans, MiSans;
}
.section5_px3{
  min-width: 280px;
  padding-right: calc(100% * 0.320); ;
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  text-align: justified;
  font-family: MiSans, MiSans;
}
.section7{
  column-gap: calc(100% * 0.159);
  row-gap: 40px; /*纵向*/
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
.section7_gap{
  gap: 80px;
  display: flex;
  flex-direction:column;
}
.section7_bigdiv{
  gap: 12px;
  display: flex;
  justify-content:center;
}
.section7_img{
  height: auto;
}
.section7_img img{
  width: 56px;
  height: 56px;
}
.section7_div{
  gap: 12px;
  display: flex;
  flex-direction:column;
}
.section7_p1{
  font-size: 20px;
  color: #333333;
  text-align: left;
  padding: 12px 0px;
  font-weight: bold;
  font-family: MiSans, MiSans;
}
.section7_p2{
  font-size: 16px;
  color: #333333;
  text-align: left;
  font-weight: 400;
  line-height: 28px;
  text-align: justified;
  font-family: MiSans, MiSans;
}
.section6{
  gap: 80px;
  display: grid;
  grid-template-columns: repeat(2, 1fr); 

}
.section6_bigdiv{
  gap: 40px;
  width: 100%;
  /* height: 208px; */
  display: flex;
  align-items:center;
  border-radius: 131px;
  border: 1px solid #FFFFFF;
  box-shadow: 0px 2px 40px 0px rgba(0,0,0,0.06);
}
.section6_imga{
  width: 172px;
  height: auto;
}
.section6_imga img{
  width: 100%;
  height: auto;
  margin: 18px;
}
.section6_text{
  gap: 16px;
  display: flex;
  flex-direction:column;
}
.section6_textp1{
  font-size: 20px;
  text-align: left;
  color: #333333;
  font-weight: bold;
  font-family: MiSans, MiSans;
}
.section6_textp2{
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  text-align: left;
  line-height: 40px;
  font-family: MiSans, MiSans;
}
.section8{
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  margin: 0 !important; 
  width: fit-content; /* 宽度跟随卡片总宽度 */
  scrollbar-width: none; /* 火狐隐藏滚动条 */
  -ms-overflow-style: none; /* IE/Edge隐藏滚动条 */
}

.section8_bigdiv{
  gap: 24px;
  display: flex;
  flex-direction:column;
}
.section8_textp{
  margin: 0;
  padding-left: 8px;
}
.section8_textp1{
  font-size: 20px;
  text-align: center;
  color: #333333;
  font-weight: bold;
  padding-bottom: 8px;
  font-family: MiSans, MiSans;
}
.section8_textp2{
  font-size: 12px;
  font-weight: 500;
  text-align: center;
  color: rgba(51,51,51,0.5);
  font-family: MiSans, MiSans;
}
.section9{
  gap: 24px;
  display: flex;
  justify-content:flex-start;
}
.section9_bigdiv{
  gap: 24px;
  display: flex;
  border-radius: 16px;
  justify-content:center;
  border: 1px solid #FFFFFF;          
  background: rgba(255,255,255,0.5);
  box-shadow: 0px 2px 40px 0px rgba(0,0,0,0.06);
}
.section9_p1{
  font-size: 24px;
  text-align: left;
  color: #333333;
  /* padding-top: 80px; */
  padding-top: min(calc((100% /1080) * 90), 80px);
  font-weight: bold;
  /* padding-left: 114px; */
  padding-left: calc(100% * 0.12);
  padding-bottom: 32px;
  font-family: MiSans, MiSans;
}
.section9_p2{
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  /* padding-left: 114px; */
  padding-left: calc(100% * 0.12);
  /* padding-right:319px; */
  padding-right: calc(100% * 0.50);
  padding-bottom: 40px;
  font-family: MiSans, MiSans;
}
.section9_button{
  gap: 22px;
  border: none;
  display: flex;
  align-items:center;
  /* padding-left: 114px; */
  padding-left: calc(100% * 0.12);
}
.btn {
  border: none;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
  line-height: 20px;
  border-radius: 4px;
  align-items: center;
  display: inline-flex;
  padding: 10px 16px 10px 24px;
}
/* 带边框按钮样式  */
.btn-outline {
  color: #333333;
  border: 1px solid #ccc;
  background: rgba(255,255,255,0.5);
 
}
.btn-outline:hover{
  color: #fff;
  background-color: #007bff;
  box-shadow: 0 4px 6px rgba(0, 123, 255, 0.2);
}
.btn-outline:hover img{
  width: 24px;
  height: 24px;
  margin-left: 10px;
  content: url('../imges/bai_jiantou.png');
}
.section9_backimg{
  width: 100%;
  height: 528px;
  position: relative;
  border-radius: 16px;
  background: linear-gradient( 180deg, rgba(255,255,255,0.2) 30%, #FFFFFF 100%);
}
.section9_back_p{
  top: 76px;
  width: 100%;
  /* left: 169px; */
  text-align: center;
  position: absolute;
}
.section9_p3{
  font-size: 20px;
  /* text-align: left; */
  color: #333333;
  font-weight: bold;
  padding-bottom: 16px;
  font-family: MiSans, MiSans;
}
.section9_p4{
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  font-family: MiSans, MiSans;
}
.business-tabs-nav {
  display: flex;
  justify-content:space-between;
  border-bottom: 1px solid #EEEEEE;
}
.business-tabs-nav-p1{
  font-size: 32px;
  color: #333333;
  text-align: left;
  font-weight: bold;
  padding-bottom: 24px;
  font-family: MiSans, MiSans;
}
.business-tabs-nav-tab1{
  gap: 56px;
  display: flex;
  align-items:center;
}
.business-tab {
  font-size: 16px;
  font-weight: 400;
  color: #666666;
  cursor: pointer;
  position: relative;
  font-family: MiSans, MiSans;
}
.business-tab.active {
  font-size: 16px;
  color: #1876FF;
  font-weight: bold;
  font-family: MiSans, MiSans;
}
.business-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: #1876FF;
  transform: translateY(24px); 
}
.business-tabs-content {
 margin-top: 56px;
}
.business-tab-content {
  display: none;
}
.business-tab-content.active {
  display:block;
}
.business-tab-content-bigdiv{
  gap: 24px;
  display: flex;
  align-items:center;
}
.business-tab-content-p0{
  font-size: 24px;
  color: #333333;
  text-align: left;
  font-weight: bold;
  padding-bottom: 24px;
  font-family: MiSans, MiSans;
}
.business-tab-content-p1{
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  font-family: MiSans, MiSans;
}

.business-Yewu1{
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 112px;
  padding: 16px 24px;
  border-radius: 16px;
  border: 1px solid #FFFFFF;
  background: rgba(255,255,255,0.5);
  box-shadow: 0px 2px 40px 0px rgba(0,0,0,0.06);
}

.business-Yewu-p1{
  font-size: 18px;
  text-align: left;
  color: #333333;
  font-weight: 500;
  line-height: 40px;
  font-family: MiSans, MiSans;
}
.matureProject-bigdiv{
  gap: 24px;
  display: flex;
  padding-top: 56px;
}
.matureProject-P0{
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  padding-bottom: 56px;
  font-family: MiSans, MiSans;
}
.matureProject-P1{
  margin: 0; 
  font-size: 20px;
  text-align: left;
  color: #333333;
  font-weight: bold;
  padding-bottom: 24px;
  font-family: MiSans, MiSans;
}
.matureProject-p2{
  line-height: 40px;
  padding: 16px 24px;
  border-radius: 16px;
  border: 1px solid #FFFFFF;
  background: rgba(255,255,255,0.5);
  box-shadow: 0px 2px 40px 0px rgba(0,0,0,0.06);
}
.matureProject-p3{  
  margin: 0;   
  font-size: 18px;
  text-align: left;
  font-weight: 500;
  color: #333333;
  line-height: 40px;
  font-family: MiSans, MiSans;
}
.matureProject-tab-content-p1{
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  font-family: MiSans, MiSans;
}
footer{
  width: 100%;
  background: #F7F9FC;
}
.footer_div p{
  margin: 0;
  font-size: 12px;
  font-weight: 500;
  color: #333333;
  padding: 24px 0px;
  text-align: center;
  font-family: MiSans, MiSans;
}

/* 全屏弹窗遮罩层：覆盖整个页面，半透明黑色 */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9999; /* 确保在最顶层 */
  display: none; /* 默认隐藏 */
  justify-content: center;
  align-items: center;
}

/* 弹窗容器：白色背景，圆角，阴影 */
.popup-container {
  width: 80%;
  max-width: 1000px;
  background: #fff;
  border-radius: 16px;
  padding: 56px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  position: relative;
  /* 内容过多时可滚动 */
}

/* 弹窗标题 */
.popup-title {
  font-size: 28px;
  color: #333;
  font-weight: bold;
  margin-bottom: 24px;
  font-family: MiSans, MiSans;
}

/* 弹窗内容 */
.popup-content {
  
  font-size: 18px;
  color: #666;
  line-height: 32px;
  margin-bottom: 32px;
  font-family: MiSans, MiSans;
}

/* 关闭按钮：右上角，圆形图标 */
.popup-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #f5f5f5;
  border: none;
  cursor: pointer;
  font-size: 24px;
  color: #999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
}
.popup-close:hover {
  background: #1876FF;
  color: #fff;
}
.popup-close-btn {
  position: absolute;
  right: 40px; /* 与弹窗容器右侧内边距一致 */
  bottom: 20px; /* 与弹窗容器底部内边距一致 */
  padding: 8px 24px;
  background: rgba(255,255,255,0.5); /* 蓝色主色调，与现有按钮风格统一 */
  color: #333333;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-family: MiSans, MiSans;
  border: 1px solid #999999;
}

/* 弹窗列表样式 */
.popup-list {
  max-height: 70vh;
  overflow-y: auto; 
  list-style-type: disc; /* 使用圆点项目符号 */
  padding-left: 20px; /* 左侧缩进 */
  margin: 16px 0; /* 上下外边距 */
}

.popup-list li {
  margin-bottom: 12px; /* 列表项之间的间距 */
  line-height: 1.6; /* 行高，增强可读性 */
  text-align: justify; /* 文本两端对齐 */
}

/* 按钮hover效果 */
.popup-close-btn:hover {
  background: rgba(255,255,255,0.5); /* hover时加深蓝色，提升交互感 */
}

/* 乡村振兴卡片：鼠标悬浮变小手，点击后背景渐变 */
.section8_card{
  width: 319px;
  height: auto;
  padding: 20px;
  flex-shrink: 0;
  cursor: pointer;           
  border-radius: 16px;
  transition: all 0.3s ease; 
}

.section8_card.default {
  background: #E9EEF5;
}
.section8_card:hover{
  background: linear-gradient( 180deg, #F5F5F5 0%, rgba(24,118,255,0.8) 100%);
}
.section8_card:hover .section8_textp1 {
  color: #FFFFFF; /* 标题文字变白 */
}
.section8_card:hover .section8_textp2 {
  color: rgba(255, 255, 255, 0.8); /* 英文副标题变白（带轻微透明，更美观） */
}