html { scroll-behavior: smooth; }
    body { margin: 0; font-family: Arial, sans-serif; color: #333; background-color: #fff; }
    nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 32px;
      background: #ffffffcc;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 999;
      backdrop-filter: blur(6px);
      border-bottom: 1px solid #ddd;
    }
    nav .logo { font-size: 1.5rem; font-weight: bold; color: #0066cc; }
    nav ul {
      list-style: none;
      display: flex;
      gap: 20px;
      margin: 0;
      padding: 0;
    }
    nav ul li a {
      text-decoration: none;
      color: #333;
      font-weight: 500;
    }
    .menu-toggle {
      display: none;
      font-size: 1.5rem;
      cursor: pointer;
    }
    @media (max-width: 768px) {
      nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 64px;
        right: 32px;
        background: #fff;
        border: 1px solid #ddd;
        border-radius: 8px;
        padding: 12px;
      }
      nav ul.show {
        display: flex;
      }
      .menu-toggle {
        display: block;
      }
    }
    .hero {
      position: relative;
      height: 80vh;
      overflow: hidden;
      margin-top: 64px;
    }
    .hero::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: url('/img/l.jpg') center/cover no-repeat;
      transform: scale(1);
      animation: zoomInOut 10s ease-in-out infinite alternate;
      z-index: -1;
    }
    @keyframes zoomInOut {
      from {
        transform: scale(1);
      }
      to {
        transform: scale(1.1);
      }
    }
    .hero-content {
      position: relative;
      z-index: 1;
      background: rgba(255,255,255,0.85);
      padding: 40px;
      border-radius: 16px;
      text-align: center;
      max-width: 600px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
      margin: auto;
      top: 50%;
      transform: translateY(-50%);
    }
    .hero-content h1 { font-size: 2.5rem; margin-bottom: 1rem; }
    .hero-content p { font-size: 1.1rem; margin-bottom: 1.5rem; }
    .button { background: #0066cc; color: #fff; padding: 12px 24px; border: none; border-radius: 8px; cursor: pointer; font-size: 1rem; }
    .section { padding: 60px 20px; max-width: 1200px; margin: auto; }
    .section-title { text-align: center; font-size: 2rem; margin-bottom: 40px; }
    .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
    .card { background: #fff; border-radius: 16px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); overflow: hidden; }
    .card img { width: 100%; height: 200px; object-fit: cover; }
    .card-content { padding: 20px; }
    .card-content h3 { margin: 0 0 10px; font-size: 1.2rem; }
    .card-content p { color: #666; margin-bottom: 10px; }
    .features { display: flex; flex-direction: column; gap: 20px; text-align: center; }
    .features i { font-size: 2rem; margin-bottom: 10px; color: #0066cc; }
    @media(min-width: 768px) { .features { flex-direction: row; justify-content: space-around; } }
    .contact { background: #f3f3f3; padding: 40px 20px; }
    .contact form { max-width: 600px; margin: auto; display: grid; gap: 20px; }
    .contact input, .contact textarea { padding: 12px; border: 1px solid #ccc; border-radius: 8px; font-size: 1rem; }
    .contact button { background: #0066cc; color: #fff; padding: 12px; border: none; border-radius: 8px; cursor: pointer; }
    .contact-info { text-align: center; margin-top: 20px; color: #666; }