:root{--bg-primary:#FAF9F6;--bg-secondary:#FFFFFF;--text-main:#2D2D2D;--text-muted:#555555;--border-color:#E5E3DB;--border-hover:#D0CEC4;--font-serif:ui-serif,Georgia,Cambria,"Times New Roman",Times,serif;--font-sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;}*{box-sizing:border-box;margin:0;padding:0;}body{background-color:var(--bg-primary);color:var(--text-main);font-family:var(--font-sans);font-size:110%;line-height:1.7;min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:4vw 2rem 0 2rem;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;position:relative;}body::before{content:"";position:fixed;top:0;left:0;width:100vw;height:100vh;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");opacity:0.04;pointer-events:none;z-index:-1;}main{flex:1;display:flex;justify-content:center;width:100%;margin-bottom:4rem;}.container{max-width:850px;width:100%;z-index:1;}header{margin-bottom:3rem;margin-top:1rem;}h1{font-family:var(--font-serif);font-weight:400;color:#1A1A1A;font-size:2.8rem;margin-bottom:0.2rem;letter-spacing:-0.02em;}h2{font-family:var(--font-serif);font-size:1.6rem;font-weight:400;margin-top:3rem;margin-bottom:1rem;border-bottom:1px solid var(--border-color);padding-bottom:0.5rem;color:#1A1A1A;}h3{font-size:1.1rem;font-weight:600;margin-top:1.5rem;margin-bottom:0.5rem;}p{margin-bottom:1.2rem;color:var(--text-muted);}.data-table{width:100%;border-collapse:collapse;margin-top:1rem;margin-bottom:2rem;background-color:var(--bg-secondary);border-radius:8px;overflow:hidden;border:1px solid var(--border-color);}.data-table th,.data-table td{text-align:left;padding:1rem 1.2rem;border-bottom:1px solid var(--border-color);}.data-table th{font-weight:600;color:var(--text-main);width:30%;background-color:#FDFDFB;}.data-table tr:last-child td,.data-table tr:last-child th{border-bottom:none;}.stack-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2rem;margin-bottom:2rem;}.stack-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;}.stack-card i,.stack-card svg{height:1.5rem;width:auto;color:var(--text-main);margin-bottom:1rem;display:block;}.stack-card h3{margin-top:0;color:#1A1A1A;}.stack-card p{font-size:0.95rem;margin-bottom:0;}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background-color:#F0EFEA;padding:0.2rem 0.4rem;border-radius:4px;font-size:0.85em;color:#1A1A1A;}.nav-back{display:inline-block;margin-bottom:2rem;font-size:0.95rem;color:var(--text-muted);text-decoration:none;transition:color 0.2s ease;}.nav-back:hover{color:var(--text-main);}@media (max-width:600px){body{font-size:90%;padding:6vw 1.2rem;}h1{font-size:2.5rem;}h2{font-size:1.5rem;margin-top:2rem;}p,.data-table,.stack-card p{font-size:1.05rem;}.stack-grid{grid-template-columns:1fr;}.data-table th,.data-table td{padding:0.8rem;display:block;width:100%;}.data-table th{background-color:var(--bg-primary);border-bottom:none;padding-bottom:0.2rem;}.data-table td{padding-top:0.2rem;border-bottom:1px solid var(--border-color);}}footer{font-size:0.95rem;color:var(--text-muted);text-align:center;padding:0.1rem 0;width:100%;border-top:1px solid var(--border-color);margin-top:auto;z-index:1;}