.petal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999;overflow:hidden}.petal{position:absolute;width:20px;height:28px;background:radial-gradient(ellipse at center,#fff 0%,#f8f8f8 60%,#e0e0e0 100%);border-radius:50% 60% 45% 55% / 60% 70% 40% 50%;opacity:0.9;animation:fall 10s linear infinite;box-shadow:2px 4px 6px rgba(0,0,0,0.15);transform-origin:center}.petal:nth-child(even){width:22px;height:30px;transform:rotate(20deg)}.petal:nth-child(odd){transform:rotate(-20deg)}@keyframes fall{0%{transform:translateY(-50px) translateX(0px) rotate(0deg);opacity:0.9}50%{transform:translateY(50vh) translateX(30px) rotate(180deg);opacity:0.7}100%{transform:translateY(100vh) translateX(-30px) rotate(360deg);opacity:0}}