.welcome-icon{font-size:84px;color:var(--primary-light);margin-bottom:10px;position:relative;animation:3s ease-in-out infinite float}.welcome-overlay{background-color:var(--surface-color);display:flex;justify-content:center;align-items:center;z-index:2000;transition:opacity .8s,visibility .8s;position:fixed;left:0;bottom:0;top:0;right:0}.welcome-overlay.welcome-fade{opacity:0}.welcome-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px;animation:1s welcome-in}.welcome-icon .logo-img{width:84px;height:84px;object-fit:contain}.welcome-title{font-size:32px;font-weight:700;color:var(--primary-color)}.category-icon,.welcome-text{color:var(--text-secondary)}.welcome-text{font-size:18px}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}