body{font-family:'Inter','Segoe UI',-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#2d3748;margin:0;padding:0;min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow-x:hidden}body::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 80%,rgba(120,119,198,.3) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.15) 0%,transparent 50%);pointer-events:none}.block-container{max-width:480px;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);box-shadow:0 25px 50px rgba(0,0,0,.15),0 15px 35px rgba(0,0,0,.1),inset 0 1px 0 rgba(255,255,255,.8);border-radius:24px;padding:50px 40px 40px 40px;border:1px solid rgba(255,255,255,.2);text-align:center;position:relative;z-index:1;animation:slideIn 0.6s ease-out}@keyframes slideIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.block-icon{width:80px;height:80px;margin:0 auto 24px;background:linear-gradient(135deg,#e53e3e,#c53030);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 25px rgba(229,62,62,.3);animation:pulse 2s infinite}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}.block-title{font-size:2.5em;color:#2d3748;margin-bottom:20px;font-weight:800;letter-spacing:-.02em;line-height:1.1;text-shadow:0 2px 4px rgba(0,0,0,.1)}.block-message{font-size:1.2em;margin-bottom:20px;color:#4a5568;font-weight:500;line-height:1.6;max-width:380px;margin-left:auto;margin-right:auto}.block-footer{margin-top:32px;font-size:.95em;color:#718096;border-top:1px solid #e2e8f0;padding-top:20px;font-weight:400}.block-footer a{color:#667eea;text-decoration:none;font-weight:500;transition:color 0.2s ease}.block-footer a:hover{color:#5a67d8}@media (max-width:600px){.block-container{padding:35px 25px;max-width:95vw;margin:20px;border-radius:20px}.block-icon{width:70px;height:70px}.block-title{font-size:2em}.block-message{font-size:1.1em}}