body {
     font-family: Arial, sans-serif;
     background: #fff8e7;
     margin: 0;
     padding: 0;
   }

   header {
     background: linear-gradient(45deg, #ff9800, #ff5722);
     color: white;
     text-align: center;
     padding: 20px;
   }

   h1 {
     margin: 0;
   }

   .container {
     max-width: 600px;
     margin: auto;
     background: white;
     padding: 20px;
     border-radius: 10px;
     margin-top: 20px;
     box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
   }

   label {
     display: block;
     margin-top: 15px;
     font-weight: bold;
   }

   input {
     width: 100%;
     padding: 8px;
     margin-top: 5px;
     border: 1px solid #ccc;
     border-radius: 5px;
   }

   button {
     margin-top: 20px;
     padding: 10px 20px;
     background: #ff5722;
     color: white;
     border: none;
     border-radius: 5px;
     font-size: 16px;
     cursor: pointer;
   }

   button:hover {
     background: #e64a19;
   }

   .result {
     margin-top: 20px;
     background: #fff3e0;
     padding: 15px;
     border-radius: 8px;
     font-size: 18px;
   }

   footer {
     margin-top: 30px;
     padding: 15px;
     background: #eee;
     text-align: center;
     font-size: 14px;
     color: #555;
   }

   .adsense-placeholder {
     background: #ddd;
     height: 90px;
     text-align: center;
     line-height: 90px;
     margin: 20px 0;
     border-radius: 5px;
     color: #666;
   }

   .intro {
     margin-bottom: 20px;
     font-size: 16px;
     line-height: 1.5;
   }