body {
      background: rgba(227, 227, 244, 0.85); 
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      margin: 0;
      padding: 0;
    }
    .contact-form-container {
      background: white;
      max-width: 420px;
      margin: 50px auto;
      padding: 30px 25px;
      border-radius: 12px;
      box-shadow: 0 3px 15px rgba(40, 60, 90, 0.1);
      color: #111;
    }
    .contact-form-container h2 {
      text-align: center;
      margin-bottom: 18px;
      color: #3178c6;
    }
    label {
      display: block;
      font-weight: 600;
      margin: 12px 0 6px 0;
    }
    input[type="text"], input[type="email"],input[type="tel"], textarea {
      width: 100%;
      padding: 9px 12px;
      border: 1px solid #a9c2dc;
      border-radius: 6px;
      font-size: 16px;
      box-sizing: border-box;
      background: #f9fcff;
      color: #212121;
    }
    textarea {
      resize: vertical;
      min-height: 80px;
    }
    button[type="submit"] {
      margin-top: 15px;
      width: 100%;
      padding: 12px 0;
      background-color: #3178c6;
      color: white;
      border: none;
      border-radius: 7px;
      font-size: 18px;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.23s ease;
    }
    button[type="submit"]:hover {
      background-color: #255f99;
    }