:root{--bg-color:#fdfbf7;--card-bg:#ffffff;--text-main:#2d3748;--text-muted:#718096;--accent-color:#6366f1;--border-color:#e2e8f0;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-family);line-height:1.7;-webkit-font-smoothing:antialiased}.container{max-width:760px;margin:0 auto;padding-left:20px;padding-right:20px}.border-b{border-bottom:1px solid var(--border-color);background-color:var(--card-bg)}.border-t{border-top:1px solid var(--border-color);margin-top:60px}.py-6{padding-top:24px;padding-bottom:24px}.py-8{padding-top:40px;padding-bottom:40px}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.text-2xl{font-size:1.25rem;margin:0}.text-2xl a{color:var(--text-main);text-decoration:none;font-weight:700;letter-spacing:-.02em;transition:color .2s ease}.text-2xl a:hover{color:var(--accent-color)}footer{text-align:center;color:var(--text-muted);font-size:.875rem}article{background:var(--card-bg);padding:40px;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.03);border:1px solid rgba(226,232,240,.8);margin-top:20px}.text-3xl{font-size:2rem;font-weight:800;line-height:1.3;margin-top:0;margin-bottom:12px;color:#1a202c;letter-spacing:-.02em}.text-sm{font-size:.875rem}.text-slate-500{color:var(--text-muted)}.mb-6{margin-bottom:24px;padding-bottom:16px;border-bottom:1px dashed var(--border-color)}.prose{font-size:1.05rem;color:#334155}.prose p{margin-bottom:1.5em;line-height:1.8}.prose h1{font-size:1.5rem;font-weight:700;margin-top:2em;margin-bottom:.8em;padding-bottom:8px;border-bottom:2px solid var(--accent-color);color:#0f172a}.prose h2{font-size:1.25rem;font-weight:700;margin-top:1.8em;margin-bottom:.6em;padding-left:12px;border-left:4px solid var(--accent-color);color:#1e293b}.prose ol{padding-left:20px;margin-bottom:1.5em}.prose li{margin-bottom:.5em;line-height:1.6}@media (max-width:640px){article{padding:24px 18px}.text-3xl{font-size:1.5rem}}