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p{font-size:12px;color:var(--text-muted);line-height:1.5}.about-nav{display:flex;flex-direction:column;padding:12px 0}.about-nav-btn{display:flex;align-items:center;gap:10px;padding:11px 20px;background:transparent;border:none;color:var(--text-muted);font-size:13px;font-weight:500;cursor:pointer;text-align:left;transition:all .2s;border-left:3px solid transparent}.about-nav-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.about-nav-btn.active{background:var(--bg-tertiary);color:var(--text-primary);border-left-color:var(--section-color, var(--accent-primary));font-weight:600}.about-nav-icon{font-size:16px;flex-shrink:0}.about-content{flex:1;display:flex;flex-direction:column;overflow-y:auto;padding:28px 32px;gap:20px}.about-section-header{display:flex;align-items:flex-start;gap:16px;padding-bottom:20px;border-bottom:2px solid var(--border-color)}.about-section-icon{font-size:40px;flex-shrink:0;line-height:1}.about-section-header 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600px){.about-layout{flex-direction:column}.about-sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border-color)}.about-nav{flex-direction:row;flex-wrap:wrap;padding:8px;gap:4px}.about-nav-btn{border-left:none;border-bottom:3px solid transparent;padding:8px 12px;border-radius:6px}.about-nav-btn.active{border-left-color:transparent;border-bottom-color:var(--section-color, var(--accent-primary))}}.app{width:100%;height:100%;display:flex;flex-direction:column;background:transparent}.page-container{flex:1;display:flex;overflow:hidden;animation:slideIn .4s cubic-bezier(.4,0,.2,1)}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes glow{0%,to{box-shadow:0 0 20px #00d4ff4d}50%{box-shadow:0 0 30px #00d4ff99}}:root{--bg-primary: #09090b;--bg-secondary: #111113;--bg-tertiary: #18181b;--bg-card: #1c1c1f;--text-primary: #fafafa;--text-secondary: #a1a1aa;--text-muted: #71717a;--border-color: #27272a;--border-light: #3f3f46;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-success: #22c55e;--accent-warning: #f59e0b;--accent-error: #ef4444;--accent-purple: #a78bfa;--accent-pink: #f472b6;--gradient-primary: linear-gradient(160deg, #1e1b4b 0%, #09090b 60%);--gradient-accent: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--shadow-primary: 0 1px 3px rgba(0, 0, 0, .5), 0 4px 16px rgba(0, 0, 0, .3);--shadow-glow: 0 0 24px rgba(99, 102, 241, .25);--color-wall: #ffffff;--color-visited: #818cf8;--color-path: #f59e0b;--color-sorting-default: #6366f1;--color-sorting-compare: #f59e0b;--color-sorting-swap: #ef4444;--color-sorting-sorted: #22c55e}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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