body {
  font-family: 'Microsoft YaHei', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8faff;
  color: #222;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
header {
  background: #0a3d91;
  color: #fff;
  padding: 20px 0;
}
header h1 {
  margin: 0;
  font-size: 2.2rem;
}
nav ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
nav ul li a:hover {
  color: #ffd700;
}
.hero {
  background: linear-gradient(90deg, #0a3d91 60%, #fff 100%);
  color: #fff;
  padding: 60px 0 40px 0;
  text-align: center;
}
.hero-img {
  width: 320px;
  max-width: 90vw;
  margin-top: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
section {
  padding: 50px 0;
}
section h2 {
  color: #0a3d91;
  margin-bottom: 20px;
  font-size: 1.8rem;
}
.cases-gallery {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.cases-gallery img {
  width: 300px;
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.services-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 0;
  list-style: none;
}
.services-list li {
  background: #e3edfa;
  color: #0a3d91;
  padding: 10px 22px;
  border-radius: 20px;
  font-weight: 500;
  font-size: 1rem;
}
.news-list {
  list-style: none;
  padding: 0;
}
.news-list li {
  margin-bottom: 10px;
  color: #444;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}
.contact-list li {
  margin-bottom: 8px;
}
.message-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
}
.message-form input,
.message-form textarea {
  padding: 10px;
  border: 1px solid #b3c6e0;
  border-radius: 6px;
  font-size: 1rem;
}
.message-form button {
  background: #0a3d91;
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}
.message-form button:hover {
  background: #0053b8;
}
footer {
  background: #0a3d91;
  color: #fff;
  text-align: center;
  padding: 18px 0;
  font-size: 1rem;
}
footer a {
  color: #ffd700;
  text-decoration: underline;
}
@media (max-width: 800px) {
  .cases-gallery {
    flex-direction: column;
    align-items: center;
  }
  .services-list {
    flex-direction: column;
    align-items: flex-start;
  }
  nav ul {
    gap: 10px;
  }
}
@media (max-width: 600px) {
  header h1 {
    font-size: 1.3rem;
  }
  section h2 {
    font-size: 1.2rem;
  }
  .container {
    padding: 0 8px;
  }
  .hero {
    padding: 30px 0 20px 0;
  }
}