🎁 Mystery Box
position: fixed;
right: 20px;
bottom: 40%;
background: #5dd2b4;
color: #360f5f;
font-weight: bold;
font-size: 14px;
padding: 12px 20px;
border-radius: 50px;
text-decoration: none;
z-index: 9999;
box-shadow: 0 4px 12px rgba(0,0,0,0.25);
white-space: nowrap;
writing-mode: horizontal-tb;
">🎁 Mystery Box