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

body {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏 */
.navbar {
  background: #fff;
  padding: 15px 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  color: #333;
  font-size: 20px;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-menu a {
  color: #333;
  text-decoration: none;
  font-size: 16px;
  transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #0066cc;
}

/* 主横幅区域 */
.hero {
  background: #fff;
  padding: 20px 0 0;
}

/* 轮播样式 */
.banner {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.carousel {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.slide.active {
  opacity: 1;
}

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

.carousel-indicators {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.indicator {
  width: 40px;
  height: 4px;
  background: rgba(128, 128, 128, 0.3);
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.indicator.active {
  background: #666;
}

.hero-banner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 20px;
  gap: 40px;
}

.hero-left-image {
  width: 250px;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
}

.hero-center {
  flex: 1;
}

.hero-center h1 {
  font-size: 36px;
  color: #333;
  margin-bottom: 20px;
  font-weight: 600;
}

.hero-benefit {
  font-size: 16px;
  color: #666;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bullet {
  color: #ff8800;
  font-size: 12px;
}

.hero-right {
  text-align: center;
}

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

.price-number {
  font-size: 60px;
  color: #ff8800;
  font-weight: 700;
  display: block;
  line-height: 1;
}

.price-unit {
  font-size: 18px;
  color: #666;
}

.price-note {
  font-size: 14px;
  color: #999;
  margin-top: 8px;
}

.btn-detail {
  background: #ff8800;
  color: white;
  border: none;
  padding: 12px 40px;
  font-size: 16px;
  border-radius: 25px;
  cursor: pointer;
  transition: background 0.3s;
  font-weight: 500;
}

.btn-detail:hover {
  background: #ff9920;
}

.hero-indicator {
  text-align: center;
  padding: 20px 0;
}

.indicator-dot {
  display: inline-block;
  width: 40px;
  height: 4px;
  background: #0066cc;
  border-radius: 2px;
}

/* 服务领域 */
.services {
  padding: 60px 0;
  background: #f5f5f5;
}

.section-title {
  text-align: center;
  font-size: 32px;
  margin-bottom: 50px;
  color: #333;
  font-weight: 600;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.card-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
  background: none;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
}

.service-card h3 {
  padding: 15px;
  color: #fff;
  background: #0066cc;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  margin: 0;
}

.service-card p {
  padding: 20px;
  color: #666;
  line-height: 1.8;
  font-size: 14px;
}

/* 联系我们 */
.contact {
  background: #2c3e50;
  padding: 60px 0;
  color: white;
}

.contact-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.contact-image {
  flex-shrink: 0;
  width: 200px;
}

.contact-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.contact-info {
  flex: 1;
}

.contact-subtitle {
  font-size: 14px;
  color: #bbb;
  margin-bottom: 10px;
}

.contact-info h2 {
  font-size: 28px;
  margin-bottom: 30px;
  font-weight: 600;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-item {
  font-size: 14px;
  line-height: 1.6;
}

.info-label {
  color: #fff;
  font-weight: 500;
}

.contact-map {
  flex-shrink: 0;
  width: 300px;
}

.contact-map img {
  width: 100%;
  height: auto;
  opacity: 0.6;
}

/* 页脚 */
.footer {
  background: #1a1a1a;
  color: white;
  padding: 30px 0;
  text-align: center;
}

.footer-menu {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 30px;
  margin-bottom: 15px;
}

.footer-menu a {
  color: #999;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-menu a:hover {
  color: #fff;
}

.copyright {
  color: #666;
  font-size: 12px;
}

/* 关于我们页面 */
.page-banner {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

.about-section {
  padding: 40px 0;
  background: #f5f5f5;
}

.about-layout {
  display: flex;
  gap: 30px;
}

.about-sidebar {
  width: 250px;
  background: white;
  border-radius: 8px;
  padding: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  height: fit-content;
}

.sidebar-title {
  background: #0066cc;
  color: white;
  padding: 15px 20px;
  font-size: 18px;
  font-weight: 600;
  border-radius: 8px 8px 0 0;
}

.sidebar-menu {
  list-style: none;
}

.sidebar-menu li {
  border-bottom: 1px solid #eee;
}

.sidebar-menu li:last-child {
  border-bottom: none;
}

.sidebar-menu a {
  display: block;
  padding: 15px 20px;
  color: #333;
  text-decoration: none;
  font-size: 14px;
  transition: background 0.3s, color 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
  background: #f0f0f0;
  color: #0066cc;
}

.about-content {
  flex: 1;
  background: white;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.content-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid #0066cc;
}

.content-title {
  font-size: 24px;
  color: #333;
  font-weight: 600;
  margin-bottom: 10px;
}

.title-en {
  font-size: 14px;
  color: #999;
  font-weight: normal;
  margin-left: 10px;
}

.breadcrumb {
  font-size: 12px;
  color: #999;
}

.content-image {
  margin-bottom: 30px;
}

.content-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.content-text p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: #666;
  font-size: 14px;
  text-align: justify;
}

.content-text h4 {
  color: #333;
  font-size: 16px;
  margin-top: 25px;
  margin-bottom: 10px;
  font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar .container {
    flex-direction: column;
    gap: 15px;
  }

  .hero-banner {
    flex-direction: column;
    text-align: center;
  }

  .hero-left-image {
    width: 200px;
    height: 200px;
  }

  .hero-center h1 {
    font-size: 28px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    flex-direction: column;
  }

  .contact-image,
  .contact-map {
    width: 100%;
    max-width: 300px;
  }

  .footer-menu {
    flex-wrap: wrap;
    gap: 15px;
  }

  .about-layout {
    flex-direction: column;
  }

  .about-sidebar {
    width: 100%;
  }
}