.opening-effect-child_birthday_v5{z-index:9999;cursor:pointer;background:radial-gradient(circle,#fdf2f7 0%,#fae1ed 100%);justify-content:center;align-items:center;transition:opacity 1s,visibility 1s;display:flex;position:fixed;inset:0}.opening-effect-child_birthday_v5 .audio-overlay{justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:absolute;top:0;left:0}.opening-effect-child_birthday_v5.hidden,.opening-effect-child_birthday_v5.fade-out{opacity:0;visibility:hidden;pointer-events:none}.opening-effect-child_birthday_v5 .magical-book-wrapper{text-align:center;perspective:1000px}.opening-effect-child_birthday_v5 .book{width:220px;height:300px;transform-style:preserve-3d;cursor:pointer;margin:0 auto 30px;transition:transform 1.5s cubic-bezier(.645,.045,.355,1);position:relative}.opening-effect-child_birthday_v5 .book-cover{color:#fff;z-index:2;transform-origin:0;background:linear-gradient(135deg,#d94a8c 0%,#c0392b 100%);border-left:10px solid #0000001a;border-radius:5px 15px 15px 5px;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;transition:transform 1.5s cubic-bezier(.645,.045,.355,1);display:flex;position:absolute;box-shadow:10px 10px 20px #0003}.opening-effect-child_birthday_v5 .book-title{text-align:center;color:#fff;text-shadow:1px 1px 3px #0000004d;padding:20px;font-family:Great Vibes,Dancing Script,cursive;font-size:1.8rem}.opening-effect-child_birthday_v5 .book-crown{filter:drop-shadow(0 4px 6px #00000026);margin-top:20px;font-size:3rem}.opening-effect-child_birthday_v5 .book-page{z-index:1;background:#fff9fb;border-radius:0 10px 10px 0;width:95%;height:95%;position:absolute;top:2.5%;right:0;box-shadow:5px 5px 10px #0000001a}.opening-effect-child_birthday_v5 .tap-to-open{color:#d94a8c;letter-spacing:2px;text-transform:uppercase;font-family:Cinzel,Playfair Display,serif;font-size:1.1rem;animation:2s infinite cb5Bounce}@keyframes cb5Bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.opening-effect-child_birthday_v5.opening .book-cover{transform:rotateY(-160deg)}@media (width<=576px){.opening-effect-child_birthday_v5 .book{width:180px;height:246px}.opening-effect-child_birthday_v5 .book-title{font-size:1.4rem}}