body {
      font-family: 'Inter', sans-serif;
      background: #1e1e2f;
      color: #eee;
      margin: 0;
      padding: 2rem;
    }

    h1 {
      font-weight: 700;
      font-size: 3rem;
      text-align: center;
      margin-bottom: 1rem;
      text-shadow: 0 0 10px #7f5af0;
    }

    b {
      color: #7f5af0;
    }

    button {
      background: #7f5af0;
      border: none;
      padding: 1rem 2rem;
      font-size: 1.2rem;
      color: white;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(127, 90, 240, 0.6);
      transition: background-color 0.3s ease;
      display: block;
      margin: 0 auto;
    }

    button:hover {
      background-color: #5e3fcc;
    }

    .link {
      color: #58a6ff;
      text-decoration: none;
      font-weight: bold;
      margin-top: 20px;
      display: inline-block;
    }

    footer {
      margin-top: 50px;
      font-size: 0.9em;
      color: #888;
      padding-top: 20px;
      border-top: 1px solid #333;
      text-align: center;
    }


    .link {
      color: #58a6ff;
      text-decoration: none;
      font-weight: bold;
      margin-top: 20px;
      display: block;
      margin-bottom: 5px;
    }

    .link:hover {
      text-decoration: underline;
      color: #79c0ff;
    }

    .header {
      background: #111827;
      padding: 1rem 0;
      text-align: center;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
      margin-bottom: 2rem;
    }

    .header h1 {
      margin: 0;
      font-size: 2.5rem;
      color: #7f5af0;
    }

    img {
      max-width: 100%;
      border-radius: 10px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
      margin: 0px;
      padding: 0px;
      box-sizing: border-box;
    }

    #sign {
      margin-top: 100px;
      display: block;
      justify-content: center;

    }