#tex{
  color: #0A314F;
  display: inline-block ;
}
* {
    margin:0;
    padding:0;
    box-sizing: border-box;
  }
  body {
    font-family: Arial, sans-serif;
    line-height:1.6;
    color: #333;
  }
  .container {
    width:90%;
    max-width:1200px;
    margin:0 auto;
  }
  .site-header {
    background-color: #0A314F;
    color: #fff;
    padding: 20px 0;
  }
  .site-header .logo {
    font-size: 1.5rem;
    text-decoration: none;
    color: #fff;
  }
  .main-nav ul {
    list-style:none;
    display: flex;
    gap: 20px;
  }
  .main-nav a {
    color: #fff;
    text-decoration: none;
  }
  .hero {
    background: url(https://image.plo.vn/w1000/Uploaded/2025/liwbzivo/2025_07_31/1-tuyen-xe-buyt-1-2136-2910.jpg.webp) center/cover no-repeat;
    color: #fff;
    padding: 100px 0;
    text-align: center;
  }
  .hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
  }
  .btn-primary {
    display: inline-block;
    background-color: #0A314F;
    color: #fff;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 20px;
  }
  .section {
    padding: 60px 0;
  }
  .form-section .form-group {
    margin-bottom: 15px;
  }
  .form-section label {
    display: block;
    margin-bottom: 5px;
  }
  .form-section input, .form-section select {
    width: 100%;
    padding: 8px;
    border:1px solid #ccc;
    border-radius: 4px;
  }
  .news-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
    gap: 20px;
  }
  .news-item h3 a {
    text-decoration: none;
    color: #0A314F;
  }
  .site-footer {
    background-color: #f4f4f4;
    color: #666;
    padding: 40px 0;
    text-align: center;
  }
  @media (max-width:768px) {
    .main-nav ul {
      flex-direction: column;
      align-items: center;
    }
  }