/* 第一关微动效：不使用整张背景，只给清晰的地图增加少量生命感。 */
.garden-ambience{position:absolute;inset:0;z-index:3;pointer-events:none;overflow:hidden}
.garden-ambience .petal{position:absolute;width:8px;height:5px;border-radius:90% 10% 90% 10%;background:#ffe0ee;opacity:.72;filter:drop-shadow(0 1px 1px #9b5e7766);animation:petal-fall 5.6s linear infinite}
.garden-ambience .petal-a{left:18%;top:-8%;animation-delay:-1s}.garden-ambience .petal-b{left:56%;top:-12%;animation-delay:-3.2s;background:#fff1ad}.garden-ambience .petal-c{left:83%;top:-4%;animation-delay:-4.5s;background:#eed7ff}
.garden-ambience .ripple{position:absolute;width:22px;height:9px;border:1px solid #d4f6ff;border-radius:50%;opacity:0;animation:ripple 3.4s ease-out infinite}.garden-ambience .ripple-a{left:41%;top:68%}.garden-ambience .ripple-b{left:47%;top:71%;animation-delay:-1.7s}
@keyframes petal-fall{0%{transform:translate3d(0,-10px,0) rotate(0);opacity:0}10%{opacity:.72}100%{transform:translate3d(42px,105vh,0) rotate(400deg);opacity:0}}
@keyframes ripple{0%{transform:scale(.3);opacity:0}25%{opacity:.58}100%{transform:scale(2.2);opacity:0}}
@media (prefers-reduced-motion:reduce){.garden-ambience *{animation:none}}