body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  background-color: #f4f4f4;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

ol, ul {
  list-style-type: none;
}

header {
  background: #2dd4bf;
  padding: 20px 0;
  color: white;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

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

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav a {
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

nav a:hover {
  color: #ffcc00;
}

.hero {
  background: #0c5d56;
  color: white;
  padding: 50px 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.cta-button {
  background-color: #f97316;
  color: #ffffff;
  padding: 15px 30px;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s, transform 0.3s;
  display: inline-block;
}

.cta-button:hover {
  background: #e6b800;
  transform: scale(1.05);
}

.features, .why-choose, .testimonials, .cta {
  padding: 40px 0;
  background: white;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin: 20px 0;
}

h2 {
  margin-bottom: 20px;
  font-weight: 700;
}

.features ul, .why-choose ul {
  list-style-type: none; /* 去掉小圆点 */
  padding: 0; /* 去掉内边距 */
  text-align: center; /* 列表居中 */
}

.features li, .why-choose li {
  margin: 10px 0; /* 增加列表项之间的间距 */
}

footer {
  background: #14b8a6;
  color: white;
  padding: 20px 0;
}

footer a {
  color: #ffffff;
  text-decoration: none;
  margin: 0 10px;
}

.social-media a {
  margin: 0 10px;
}

blockquote {
  font-style: italic;
  margin: 20px 0; /* 去掉边框后，保持上下间距 */
  color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
  nav ul li {
      display: block;
      margin: 10px 0;
  }

  .cta-button {
      width: 100%;
  }

  blockquote {
      font-size: 0.9em;
  }
}