/* 基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

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

/* 导航栏 */
.navbar {
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.logo img {
  height: 60px;
}

.nav-links {
  list-style: none;
  display: flex;
}

.nav-links li {
  margin-left: 20px;
}

.nav-links li a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links li a:hover {
  color: #ff6f61;
}

.cta-button {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin-left: 20px;
}

.primary {
  background-color: #ff6f61;
  color: #fff;
}

.secondary {
  background-color: transparent;
  border: 2px solid #ff6f61;
  color: #ff6f61;
}

.primary:hover {
  background-color: #e66151;
}

.secondary:hover {
  background-color: #ff6f61;
  color: #fff;
}

/* 响应式设计 - 小屏幕设备 */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 20px 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    margin: 10px 0;
    width: 100%;
    text-align: center;
  }

  .menu-icon {
    display: block;
    font-size: 24px;
    cursor: pointer;
  }

  .cta-button {
    margin-left: 0;
    margin-top: 10px;
  }
}

/* 英雄区域 */
.hero-section {
  background-color: #f9f9f9;
  padding: 100px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-content h1 {
  font-size: 36px;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 18px;
  margin-bottom: 30px;
}

.hero-image img {
  max-width: 100%;
  height: auto;
}

.cta-buttons .cta-button + .cta-button {
  margin-left: 10px;
}

/* 特性亮点 */
.features-section {
  padding: 80px 0;
  background-color: #fff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.feature-item {
  background-color: #fff;
  border: 1px solid #ddd;
  padding: 20px;
  text-align: center;
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.feature-item img {
  width: 50px;
  margin-bottom: 10px;
}

/* 客户案例 */
.customers-section {
  padding: 80px 0;
  background-color: #f9f9f9;
  text-align: center;
}

.customer-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.customer-logos img {
  width: 100px;
}

/* 定价 */
.pricing-section {
  padding: 80px 0;
  background-color: #fff;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.pricing-card {
  background-color: #fff;
  border: 1px solid #ddd;
  padding: 20px;
  text-align: center;
  transition: transform 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  background-color: #ff6f61;
  color: #fff;
}

.pricing-card.featured h3,
.pricing-card.featured p,
.pricing-card.featured ul li {
  color: #fff;
}

/* 联系我们 */
.contact-section {
  padding: 80px 0;
  background-color: #f9f9f9;
}

.contact-section form {
  max-width: 600px;
  margin: 0 auto;
}

.contact-section input,
.contact-section textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 20px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

/* 底部 */
.footer {
  background-color: #333;
  color: #fff;
  padding: 30px 0;
  text-align: center;
}

.footer .social-links a {
  margin: 0 10px;
  font-size: 20px;
  color: #fff;
  transition: color 0.3s ease;
}

.footer .social-links a:hover {
  color: #ff6f61;
}