* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", Arial, sans-serif;
  color: #333;
  background: #f6f7f8;
  line-height: 1.8;
}

a {
  text-decoration: none;
  color: inherit;
}

/* 顶部导航 */
.nav {
  display: flex;
  background: #2E5E4E;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  padding: 0 5%;
  font-size: 18px;
  position: relative;
  height: 80px;
  z-index: 1000;
}

.nav .logo {
  height: 60px;
  width: auto;
  position: static;
  padding: 0;
  margin-right: 20px;
  display: flex;
  align-items: center;
}

.nav .logo img {
  height: 100%;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-links a {
  display: block;
  padding: 0 15px;
  height: 80px;
  line-height: 80px;
  color: #fff;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: all 0.3s ease;
}

.nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-bottom: 3px solid #D32F2F;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 10px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: #fff;
  margin: 2px 0;
  transition: 0.4s;
}

/* Mobile Styles */
@media screen and (max-width: 1024px) {
  .nav {
    padding: 0 20px;
  }
  .nav-links a {
    padding: 0 10px;
    font-size: 16px;
  }
}

@media screen and (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: #2E5E4E;
    flex-direction: column;
    height: auto;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
  }
  .nav-links.active {
    max-height: 600px;
  }
  .nav-links a {
    width: 100%;
    text-align: center;
    height: 50px;
    line-height: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
}

/* Banner */
.banner {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

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

/* 内容区通用 */
.section {
  padding: 70px 10%;
  background: #fff;
}

.section.gray {
  background: #f0f2f3;
}

.section h2 {
  font-size: 28px;
  color: #2E5E4E;
  margin-bottom: 20px;
}

.section p {
  font-size: 16px;
  margin-bottom: 16px;
}

/* 图文布局 */
.flex {
  display: flex;
  gap: 40px;
  align-items: center;
}

.flex img {
  width: 45%;
  border-radius: 6px;
}

.flex .text {
  width: 55%;
}

/* 卡片 */
.card-wrap {
  display: flex;
  gap: 30px;
  margin-top: 30px;
}

.card {
  background: #fff;
  padding: 30px;
  box-sizing: border-box;
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  flex: 1;
}
.card img{
	width: 100%;
	height: 300px;
	object-fit: cover;
}
 
.card h3 {
  color: #2E5E4E;
  margin-bottom: 10px;
}

/* 页脚 */
.footer {
  background: #2E5E4E;
  color: #fff;
  text-align: center;
  padding: 30px;
  font-size: 14px;
}

/* ====== 滚动淡入动画 ====== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 分区延迟，避免一起冒出来 */
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .25s; }
.delay-3 { animation-delay: .4s; }

/* ====== 图片统一风格 ====== */
.img-box {
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0,0,0,.08);
}

.img-box img {
  width: 100%;
  display: block;
  transition: transform .6s ease;
}

.img-box:hover img {
  transform: scale(1.05);
}

/* ====== 数据卡片微动画 ====== */
.card {
  transition: transform .3s ease, box-shadow .3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 30px rgba(0,0,0,.12);
}

/* ====== 重点数字强调 ====== */
.highlight {
  color: #D32F2F;
  font-weight: bold;
  font-size: 18px;
}

/* ===== 轮播整体 ===== */
.carousel {
  flex: 1;
  width: 100%;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  /* border-radius: 12px; */
}
.banner-box .title {
	text-align: center;
 color: white;
 text-shadow:0 0 10px #2E5E4E;
  
  

 font-size: 48px;
}
.banner-box .i1{
	position: absolute;
	left: 0;
	width: 100px;
	z-index: 101;
	bottom: 0;
}
.banner-box .i2{
	position: absolute;
	right: 0;
	z-index: 101;
	bottom: 0;
	width: 100px;
}
.banner-box .left-box{
	
	 width: 500px;
	 display: flex;
	 align-items: center;
	 justify-content: center;
}
.banner-box{
	display: flex;
	width: 100%;
	position: relative;
	background-color: #b1dec4;
}
/* 轮播容器 */
.carousel-track {
  position: relative;
  width: 100%;
  height: 620px;
}

/* 单张 */
.carousel-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.carousel-item.active {
  opacity: 1;
  z-index: 1;
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: fill;
}

/* 文案 */
.carousel-text {
  position: absolute;
  left: 40px;
  bottom: 40px;
  color: #fff;
  background: rgba(0,0,0,0.45);
  padding: 20px 24px;
  border-radius: 8px;
}

.carousel-text h3 {
  margin: 0 0 8px;
  font-size: 26px;
}

.carousel-text p {
  margin: 0;
  font-size: 16px;
}

/* 指示点 */
.carousel-dots {
  position: absolute;
  bottom: 16px;
  right: 24px;
}

.carousel-dots .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  margin-left: 8px;
  cursor: pointer;
}

.carousel-dots .dot.active {
  background: #fff;
}

/* ===== 左右箭头 ===== */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  font-size: 24px;
  color: #fff;
  background: rgba(0,0,0,0.45);
  border-radius: 50%;
  cursor: pointer;
  user-select: none;
  z-index: 2;
  transition: background 0.3s;
}

.carousel-arrow:hover {
  background: rgba(0,0,0,0.65);
}

.carousel-arrow.left {
  left: 16px;
}

.carousel-arrow.right {
  right: 16px;
}


 /* 标题样式 */
        .title-section {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 20px;
            border-bottom: 3px solid #2E5E4E;
        }
        .main-title {
            font-size: 28px;
            color: #2E5E4E;
            margin-bottom: 10px;
            font-weight: bold;
        }
        .sub-title {
            font-size: 18px;
            color: #666;
        }
        /* 核心板块样式 */
        .section1 {
            background: white;
            /* border-radius: 12px; */
            /* box-shadow: 0 4px 15px rgba(0,0,0,0.08); */
            padding: 70px 10%;
            /* margin-bottom: 30px; */
        }
        .section-header {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }
        .section-icon {
            width: 40px;
            height: 40px;
            background: #2E5E4E;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }
        .section-icon i {
            color: white;
            font-size: 20px;
        }
        .section-title {
            font-size: 22px;
            color: #2E5E4E;
            font-weight: bold;
        }
        /* 内容样式 */
        .content {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        .content-text {
            flex: 1;
            min-width: 300px;
        }
        .content-img {
            width: 45%;
            min-width: 300px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        .content-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .content-img img:hover {
            transform: scale(1.02);
        }
        /* 列表样式 */
        .point-list {
            list-style: none;
            margin: 20px 0;
        }
        .point-item {
            margin-bottom: 15px;
            padding-left: 25px;
            position: relative;
        }
        .point-item::before {
            content: "✅";
            position: absolute;
            left: 0;
            top: 2px;
            color: #D32F2F;
        }
        .highlight {
            color: #D32F2F;
            font-weight: bold;
        }
        .tag {
            display: inline-block;
            background: #e8f4f8;
            color: #2E5E4E;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 14px;
            margin-right: 8px;
            margin-bottom: 8px;
        }
        /* 数据卡片样式 */
        .data-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin: 25px 0;
        }
        .data-card {
            flex: 1;
            min-width: 180px;
            background: #f0f8fb;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            border-left: 4px solid #2E5E4E;
        }
        .data-number {
            font-size: 28px;
            color: #2E5E4E;
            font-weight: bold;
            margin-bottom: 5px;
        }
        .data-desc {
            font-size: 14px;
            color: #666;
        }
        /* 响应式调整 */
        @media (max-width: 768px) {
            .main-title {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .section1 {
                padding: 20px;
            }
            .data-number {
                font-size: 24px;
            }
        }
		
		
		.thanks{
			padding-top: 40vh;
			padding-bottom: 40vh;
		}
		.thanks h2{
			font-size: 48px;
		}
		
	 
		body {
		   
		    background-color: #f8f9fa;
		    background-image: 
		        linear-gradient(rgba(46, 94, 78, 0.05) 1px, transparent 1px),
		        linear-gradient(90deg, rgba(46, 94, 78, 0.05) 1px, transparent 1px);
		    background-size: 20px 20px;
		    position: relative;
		}
		
		 
		body::before {
		    content: '';
		    position: fixed;
		    top: 0;
		    left: 0;
		    width: 100%;
		    height: 100%;
		    background: 
		        radial-gradient(circle at 20% 30%, rgba(46, 94, 78, 0.1) 0%, transparent 40%),
		        radial-gradient(circle at 80% 70%, rgba(30, 60, 114, 0.1) 0%, transparent 40%);
		    pointer-events: none; /* 不影响交互 */
		    z-index: -1;
		}
		
	 
		.overview-card, .chart-card {
		    background: rgba(255, 255, 255, 0.85);
		    backdrop-filter: blur(8px);
		    border: 1px solid rgba(255, 255, 255, 0.18);
		    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
		    transition: all 0.3s ease;
		}
		
		.overview-card:hover, .chart-card:hover {
		    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.12);
		    transform: translateY(-2px);
		}
		
		/* 项目使命板块 */
		.mission-section {
		    background: #2E5E4E;
		    color: #fff;
		    /* border-radius: 16px; */
		    padding: 50px;
		    text-align: center;
		    /* box-shadow: 0 6px 20px rgba(0,0,0,0.1); */
		}
		.mission-title {
		    font-size: 28px;
		    font-weight: 600;
		    margin-bottom: 20px;
		}
		.mission-slogan {
		    font-size: 22px;
		    font-weight: 500;
		    margin-bottom: 30px;
		    letter-spacing: 1px;
		}
		.mission-desc {
		    font-size: 16px;
		    color: #f0f0f0;
		    max-width: 900px;
		    margin: 0 auto;
		    line-height: 1.8;
		}
		/* 按钮样式 */
		.btn-section {
		    text-align: center;
		    padding: 60px 0 30px;
			background: #2E5E4E;
		}
		.btn {
		    display: inline-block;
		    padding: 12px 30px;
		    margin: 0 10px;
		    background-color: #f0f3ea;
		    color: #1E4238;
		    text-decoration: none;
		    border-radius: 30px;
		    font-size: 16px;
		    font-weight: 500;
		    transition: all 0.3s ease;
		    box-shadow: 0 3px 10px rgba(46, 94, 78, 0.2);
		}
		.btn:hover {
		    background-color: #1E4238;
			color: white;
		    transform: translateY(-3px);
		    box-shadow: 0 5px 15px rgba(46, 94, 78, 0.3);
		}
		.btn-outline {
		    background-color: transparent;
		    border: 2px solid #f0f3ea;
		    color: #f0f3ea;
		}
		.btn-outline:hover {
		    background-color: #2E5E4E;
		    color: #fff;
		}