/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 头部容器 */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Logo样式 */
.logo {
    width: 180px;
    height: auto;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.9;
}

/* 导航栏容器 */
.nav-bar {
    display: flex;
    align-items: center;
}

/* 导航列表 */
.nav-list {
    display: flex;
    gap: 40px;
    list-style: none;
}

/* 导航项样式 */
.nav-item {
    position: relative;
    padding: 5px 0;
}

/* 导航链接样式 */
.nav-link {
    text-decoration: none;
    color: #333;
    font-family: 'Segoe UI', sans-serif;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    padding: 5px 10px;
    border-radius: 4px;
}

.nav-link:hover {
    color: #007bff;
    background-color: rgba(0,123,255,0.1);
}

/* 活动状态样式 */
.nav-link.active {
    color: #007bff;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        padding: 20px;
    }

    .logo {
        margin-bottom: 15px;
    }

    .nav-list {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}


/* 方案样式 */
.hero {
    background: linear-gradient(to bottom, #0d47a1, #87CEEB);
    color: white;
    padding: 100px 0;
    margin-top: 60px;
    text-align: center;
    position: relative;
}

/* 增加间隔过渡效果 */
.hero::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(to bottom, transparent 0%, rgba(13,71,161,0.1) 100%);
}

.hero h1 {
	font-size: 2.8em;
	margin-bottom: 20px;
}

.hero .subtitle {
	font-size: 1.2em;
	opacity: 0.9;
}

/* 功能卡片容器 */
.function-container {
	max-width: 1200px;
	margin: 50px auto;
	padding: 0 20px;
}

/* 双列卡片布局 */
.card-wrapper {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 30px;
}

/* 卡片样式 */
.service-card {
    background: white;
    border-radius: 12px;
    padding: 20px;  /* 内边距减少33% */
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);  /* 阴影范围缩小 */
    transition: transform 0.3s;
    /* 新增紧凑排版参数 */
    line-height: 1.4;  /* 行距压缩 */
    margin: 10px;  /* 外间距控制 */
}

.service-card h3 {
    margin: 0 0 15px 0;  /* 标题下间距缩小 */
    font-size: 1.2em;  /* 标题字号微调 */
}

.service-card ul {
    padding-left: 1.2em;  /* 列表缩进减少 */
    margin: 0;
}

.service-card li {
    font-size: 0.95em;  /* 列表文字缩小 */
    margin-bottom: 8px;  /* 列表项间距压缩 */
}

.service-card:hover {
    transform: translateY(-3px);  /* 悬停幅度减小 */
}

.card-icon {
	font-size: 2.5em;
	margin-bottom: 20px;
	color: #0d47a1;
}

.card-title {
	color: #2c3e50;
	margin-bottom: 15px;
	font-size: 1.4em;
}

.card-content {
	color: #555;
	line-height: 1.8;
}

.feature-list {
	list-style: none;
	padding-left: 0;
	margin: 15px 0;
}

.feature-list li {
	padding: 8px 0;
	position: relative;
	padding-left: 25px;
}

.feature-list li::before {
	content: "✔";
	color: #0d47a1;
	position: absolute;
	left: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
	.card-wrapper {
		grid-template-columns: 1fr;
	}
	
	.hero h1 {
		font-size: 2em;
	}
}
 


/* 核心能力模块 */
.capability-section {
  margin-top: 80px;
  padding: 40px 20px;
  background: #f8f9fa;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.5em;
  color: #2c3e50;
  margin-bottom: 40px;
}

/* 圆形导航 */
.circle-nav {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
}

.nav-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #3498db;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
  padding: 10px;
}

.nav-circle:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(52,152,219,0.3);
  background: #3498db;
  color: white;
}

/* 信息卡片 */
.card-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 20px;
}

.info-card {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.info-card:hover {
  transform: translateY(-5px);
}

.info-card h3 {
  color: #2c3e50;
  margin-bottom: 20px;
  font-size: 1.3em;
}

.info-card ul {
  list-style: none;
  padding-left: 0;
}

.info-card li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  color: #555;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .circle-nav {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  
  .nav-circle {
    width: 100px;
    height: 100px;
    font-size: 0.9em;
  }
}

/* 新闻动态样式 */
.news {
    padding: 60px 0;
    background: #f8f9fa;
}

.news h2 {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.news h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #1a237e;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.news-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border-left: 4px solid #2196F3;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(33,150,243,0.2);
}

.news-card h3 {
    color: #1a237e;
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.news-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.news-card p {
    color: #444;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .news-card {
        padding: 20px;
    }
}

/* 弹窗样式 */
.article-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.article-modal {
    background: white;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: 8px;
    padding: 30px;
    position: relative;
    overflow-y: auto;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    transition: color 0.3s;
}

.close-btn:hover {
    color: #1a237e;
}

.article-content {
    padding: 20px;
}

.article-content h2 {
    color: #1a237e;
    margin-bottom: 15px;
}

.article-meta {
    color: #666;
    margin-bottom: 20px;
}

.article-content img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 4px;
    margin: 20px 0;
}

/* 为新闻卡片添加点击效果 */
.news-card {
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:active {
    transform: scale(0.98);
}

.article-content p {
    text-indent: 2em; /* 首行缩进2个字符 */
    margin: 1.2rem 0;
    line-height: 1.8;
    color: #444;
}

/* 特殊段落不需要缩进的情况 */
.article-content p:first-child {
    text-indent: 0; /* 首段不缩进 */
}


/* 底部背景图区块 */
/* 底部背景图区块 */
.footerPng {
  height: 200px;
  background: linear-gradient(135deg, 
      #0d47a1 20%,  /* 品牌主色深蓝 */
      #2a3a6e 40%,  /* 午夜蓝 */
      #6c5b7b 80%,  /* 蓝紫色 */
      #c06c84       /* 浅品红 */
	);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-top: 80px;
  /* 添加微纹理提升质感 */
  background-image: 
    radial-gradient(circle at 90% 10%, rgba(255,255,255,0.1) 10%, transparent 30%),
    linear-gradient(135deg, #0d47a1, #6c5b7b);
}

/* 文字增强可读性 */
.footerPng-text {
  color: #fff;
  font-size: 2.2rem;
  letter-spacing: 3px;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.3); /* 添加文字阴影 */
  font-family: 'Microsoft YaHei', sans-serif;
  animation: fadeInUp 0.8s ease;
}

/* 版权信息 */
.footer {
  background: #f8f9fa;
  padding: 25px 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.copyright {
  text-align: center;
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
}

.icp-link {
  color: #666;
  text-decoration: none;
  transition: color 0.3s ease;
  margin-left: 15px;
}

.icp-link:hover {
  color: #0d47a1;
  text-decoration: underline;
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式适配 */
@media (max-width: 768px) {
  .footerPng {
    height: 150px;
    margin-top: 50px;
  }
  
  .footerPng-text {
    font-size: 1.5rem;
    padding: 0 20px;
    text-align: center;
  }
  
  .copyright {
    font-size: 0.8rem;
  }
}