/* 全局设置 */
body {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  margin: 0;
  background-color: #f4f6f9;
  color: #333;
  display: flex;
}

/* 侧边栏整体 */
.sidebar {
  width: 240px;
  background-color: #1e1e2f;
  color: #fff;
  min-height: 100vh;
  padding: 20px;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-top {
  margin-bottom: 20px;
  border-bottom: 1px solid #333;
  padding-bottom: 10px;
}

.sidebar-top h2 {
  font-size: 1.5em;
  color: #00c4ff;
  margin: 0;
}

.sidebar-nav {
  flex: 1;
  margin-top: 20px;
}

.sidebar-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav ul li {
  margin: 15px 0;
}

.sidebar-nav ul li a {
  display: block;
  padding: 12px;
  background-color: #2c2c3a;
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  transition: background 0.3s, transform 0.2s;
}

.sidebar-nav ul li a:hover,
.sidebar-nav ul li a.active {
  background-color: #00c4ff;
  transform: translateX(5px);
}

.sidebar-footer {
  background-color: #2c2c3a;
  padding: 15px;
  border-radius: 8px;
  font-size: 0.85em;
  color: #ccc;
  margin-top: 20px;
  text-align: center;
}

/* 主内容区 */
.main-content {
  margin-left: 260px;
  padding: 20px;
  flex: 1;
  box-sizing: border-box;
}

/* 横幅区 */
.hero {
  text-align: center;
  background: linear-gradient(to right, #0a2a4d, #00c4ff);
  color: #fff;
  padding: 40px 20px;
  border-radius: 8px;
}

.hero img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.2em;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.2em;
  margin-bottom: 20px;
}

.btn {
  background-color: #00c4ff;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 4px;
}

.btn:hover {
  background-color: #0099cc;
}

/* 内容模块统一样式 */
.intro, .solutions, .applications, .cases, .news, .responsibility {
  margin: 40px 0;
  padding: 20px;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* 核心技术模块 */
.highlights {
  display: flex;
  gap: 20px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.highlight-box {
  flex: 1;
  min-width: 250px;
  background-color: #fff;
  padding: 20px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.highlight-box h3 {
  color: #00c4ff;
  margin-bottom: 10px;
}

/* 解决方案与应用场景 */
.solutions ul, .applications ul {
  list-style: disc;
  padding-left: 20px;
}

.solutions li, .applications li {
  margin: 10px 0;
}

/* 客户案例 */
.partner-logos {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.partner-logos img {
  max-height: 60px;
  object-fit: contain;
}

/* 新闻动态 */
.news article {
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.news h3 {
  color: #00c4ff;
  margin-bottom: 5px;
}

/* 分页面通用样式 */
.page-header {
  margin: 20px 0;
  padding: 20px;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.page-header h1 {
  margin: 0 0 10px;
  color: #00c4ff;
}

.page-header p {
  margin: 0;
  font-size: 1.1em;
}

.service-list, .team, .history, .mission {
  margin: 30px 0;
  padding: 20px;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.service-box {
  margin-bottom: 20px;
}

.service-box h3 {
  color: #00c4ff;
  margin-bottom: 5px;
}
/* 报价模块 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.pricing-box {
  background-color: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  text-align: center;
}

.pricing-box h2 {
  color: #00c4ff;
  margin-bottom: 10px;
}

.pricing-box .price {
  font-size: 1.4em;
  font-weight: bold;
  margin: 10px 0;
  color: #333;
}

.pricing-box ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  text-align: left;
}

.pricing-box ul li {
  margin: 8px 0;
  padding-left: 16px;
  position: relative;
}

.pricing-box ul li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: #00c4ff;
}

.pricing-box .btn {
  display: inline-block;
  margin-top: 10px;
  background-color: #00c4ff;
  color: #fff;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
}

.pricing-box .btn:hover {
  background-color: #0099cc;
}
/* 合规证书展示 */
.certificate-gallery {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.certificate-img {
  max-width: 300px;
  border: 1px solid #ddd;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}