:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffde;background-color:#0a0a0a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh;background:#0a0a0a}#root{width:100%}*{box-sizing:border-box}.navigation{position:fixed;top:0;left:0;right:0;background:rgba(10,10,10,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:all .3s ease;z-index:1000;height:80px}.navigation.scrolled{background:rgba(10,10,10,.98);border-bottom-color:#667eea33;box-shadow:0 4px 20px #0000004d}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;height:100%;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:.8rem;cursor:pointer;transition:all .3s 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#4facfe00}}.click-hint-message{position:absolute;transform:translate(-50%,-100%);z-index:100;pointer-events:none;animation:fadeInBounce .5s ease-out}.hint-arrow{position:absolute;bottom:-8px;left:50%;transform:translate(-50%);width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-top:8px solid rgba(0,0,0,.9)}.hint-content{background:rgba(0,0,0,.9);color:#fff;padding:12px 16px;border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(102,126,234,.3);box-shadow:0 8px 32px #0000004d;display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:.85rem;font-weight:500;max-width:280px}.hint-icon{font-size:1.2rem;animation:bounce 1s ease-in-out infinite}.hint-text{color:silver;line-height:1.4}@keyframes fadeInBounce{0%{opacity:0;transform:translate(-50%,-100%) translateY(10px) scale(.8)}50%{transform:translate(-50%,-100%) translateY(-5px) scale(1.05)}to{opacity:1;transform:translate(-50%,-100%) 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