.yutnori-landing{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460)}.landing-content{text-align:center;padding:40px 30px;max-width:400px}.landing-icon{font-size:5rem;margin-bottom:20px;animation:landingBounce 2s ease-in-out infinite}.landing-title{font-size:2.8rem;font-weight:800;margin-bottom:16px;background:linear-gradient(135deg,#e2e2e2,gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.landing-desc{font-size:1.1rem;line-height:1.6;color:#b0b0cc;margin-bottom:40px}.landing-play-btn{display:inline-block;padding:16px 64px;font-size:1.4rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#2196f3,#1565c0);border:none;border-radius:50px;cursor:pointer;box-shadow:0 6px 20px #2196f366;transition:transform .15s,box-shadow .15s}.landing-play-btn:active{transform:scale(.96);box-shadow:0 3px 10px #2196f34d}.landing-hint{margin-top:24px;font-size:.85rem;color:#666}@keyframes landingBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}