#envelope-wrapper{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#1e3a5f 0%,#0a1a2f 100%);z-index:20}#envelope{width:460px;height:300px;background:linear-gradient(145deg,#fffef7,#f5f1e8);border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer}.seal{width:88px;height:88px;background:radial-gradient(circle,#c41e3a,#8b0000);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:44px}