.flipbook-container{background:#f8f9fa;padding:2rem 0;min-height:70vh;display:flex;justify-content:center;align-items:center}.flipbook-wrapper{width:100%;max-width:1200px;margin:0 auto;background:#fff;border-radius:12px;box-shadow:0 8px 32px #0000001a;overflow:hidden}.flipbook{width:100%;height:auto;min-height:600px}.flipbook-loading{display:flex;justify-content:center;align-items:center;height:400px;background:#f8f9fa}.flipbook-loading:after{content:"";width:40px;height:40px;border:4px solid #e9ecef;border-top:4px solid #007bff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.anniversary-flipbook{background:linear-gradient(135deg,#667eea,#764ba2)}.anniversary-title{text-align:center;color:#fff;padding:2rem 0;margin:0;font-weight:300;font-size:2.5rem}@media(max-width:768px){.flipbook-container{padding:1rem}.flipbook{min-height:400px}.anniversary-title{font-size:1.8rem;padding:1rem 0}}