:root{--color-bg:#0d1117;--color-surface:#161b22;--color-surface-raised:#1c2128;--color-border:#30363d;--color-text:#e6edf3;--color-text-secondary:#8b949e;--color-accent:#3fb950;--color-accent-dim:rgba(63,185,80,0.15);--color-alert:#d29922;--color-deny:#f85149;--font-system:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",system-ui,sans-serif;--font-mono:"SF Mono",SFMono-Regular,ui-monospace,monospace;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:24px;--space-2xl:32px;--space-3xl:48px;--space-4xl:64px;--space-5xl:96px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--max-width:1080px;--max-width-narrow:640px}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-system);background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}ul,ol{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-xl)}.container-narrow{max-width:var(--max-width-narrow)}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(13,17,23,0.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:56px}.nav-brand{display:flex;align-items:center;gap:var(--space-sm);color:var(--color-text);font-weight:600;font-size:15px}.nav-brand:hover{text-decoration:none}.nav-icon{color:var(--color-accent)}.nav-links{display:flex;align-items:center;gap:var(--space-xl)}.nav-links a{color:var(--color-text-secondary);font-size:14px;font-weight:500;transition:color 0.15s}.nav-links a:hover{color:var(--color-text);text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius-md);font-size:14px;font-weight:600;transition:all 0.15s;border:1px solid transparent;cursor:pointer;text-decoration:none}.btn:hover{text-decoration:none}.btn-sm{padding:6px 14px;font-size:13px}.btn-lg{padding:14px 28px;font-size:16px}.btn-primary{background:var(--color-accent);color:var(--color-bg);border-color:var(--color-accent)}.btn-primary:hover{background:#4ac45a;border-color:#4ac45a}.btn-outline{background:transparent;color:var(--color-text);border-color:var(--color-border)}.btn-outline:hover{border-color:var(--color-text-secondary)}.hero{padding:calc(56px + var(--space-5xl)) 0 var(--space-5xl);text-align:center}.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;letter-spacing:-0.02em;line-height:1.15;margin-bottom:var(--space-xl)}.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:var(--color-text-secondary);max-width:560px;margin:0 auto var(--space-2xl);line-height:1.7}.hero-actions{display:flex;flex-direction:column;align-items:center;gap:var(--space-md)}.hero-meta{font-size:13px;color:var(--color-text-secondary)}.section{padding:var(--space-5xl) 0}.section-alt{background:var(--color-surface)}.section h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:-0.01em;margin-bottom:var(--space-xl)}.section p{color:var(--color-text-secondary);font-size:16px;line-height:1.7;margin-bottom:var(--space-lg)}.section p:last-child{margin-bottom:0}.section p strong{color:var(--color-text)}.section p em{color:var(--color-text);font-style:italic}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-xl);margin-top:var(--space-2xl)}.feature-card{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl)}.feature-icon{color:var(--color-accent);margin-bottom:var(--space-md)}.feature-card h3{font-size:16px;font-weight:600;margin-bottom:var(--space-sm)}.feature-card p{font-size:14px;color:var(--color-text-secondary);line-height:1.6;margin-bottom:0}.steps{counter-reset:step;display:flex;flex-direction:column;gap:var(--space-2xl);margin-top:var(--space-2xl)}.steps li{display:flex;gap:var(--space-xl);align-items:flex-start}.step-num{flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--color-accent-dim);color:var(--color-accent);border-radius:50%;font-size:14px;font-weight:700}.steps h3{font-size:16px;font-weight:600;margin-bottom:var(--space-xs)}.steps p{font-size:15px;margin-bottom:0}.pricing-intro{text-align:center;color:var(--color-text-secondary);margin-bottom:var(--space-2xl)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-xl);max-width:680px;margin:0 auto}.pricing-card{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-2xl);text-align:center}.pricing-card-featured{border-color:var(--color-accent);box-shadow:0 0 0 1px var(--color-accent),0 8px 32px rgba(63,185,80,0.08)}.pricing-card h3{font-size:18px;font-weight:600;margin-bottom:var(--space-md)}.pricing-amount{font-size:2.5rem;font-weight:700;margin-bottom:var(--space-xl)}.pricing-period{font-size:1rem;font-weight:400;color:var(--color-text-secondary)}.pricing-features{text-align:left;margin-bottom:var(--space-xl);display:flex;flex-direction:column;gap:var(--space-md)}.pricing-features li{font-size:14px;color:var(--color-text-secondary);padding-left:var(--space-xl);position:relative}.pricing-features li::before{content:"";position:absolute;left:0;top:6px;width:8px;height:8px;background:var(--color-accent);border-radius:50%;opacity:0.6}.cta-section{text-align:center}.cta-section h2{font-size:clamp(1.5rem,3vw,2.2rem)}.cta-section p{margin-bottom:var(--space-2xl)}.footer{border-top:1px solid var(--color-border);padding:var(--space-3xl) 0}.footer-inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);text-align:center}.footer-brand{display:flex;flex-direction:column;gap:var(--space-xs)}.footer-product{font-weight:600;font-size:15px}.footer-company{font-size:13px;color:var(--color-text-secondary)}.footer-company a{color:var(--color-text-secondary)}.footer-company a:hover{color:var(--color-text)}.footer-links{display:flex;gap:var(--space-xl);flex-wrap:wrap;justify-content:center}.footer-links a{font-size:14px;color:var(--color-text-secondary)}.footer-links a:hover{color:var(--color-text)}.footer-copy{font-size:12px;color:var(--color-text-secondary)}@media (max-width:768px){.nav-links{display:none}.hero{padding-top:calc(56px + var(--space-3xl));padding-bottom:var(--space-3xl)}.section{padding:var(--space-3xl) 0}.features-grid{grid-template-columns:1fr}.pricing-grid{grid-template-columns:1fr}.steps li{flex-direction:column;gap:var(--space-md)}}.prose h2{font-size:1.3rem;font-weight:600;margin-top:var(--space-3xl);margin-bottom:var(--space-lg)}.prose h2:first-child{margin-top:0}.prose p{color:var(--color-text-secondary);font-size:16px;line-height:1.75;margin-bottom:var(--space-lg)}.prose p:last-child{margin-bottom:0}.prose strong{color:var(--color-text)}.prose ul,.prose ol{margin-bottom:var(--space-lg);padding-left:var(--space-xl)}.prose ul{list-style:disc}.prose ol{list-style:decimal}.prose li{color:var(--color-text-secondary);font-size:15px;line-height:1.7;margin-bottom:var(--space-sm)}.prose li strong{color:var(--color-text)}.prose code{font-family:var(--font-mono);font-size:0.875em;background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:2px 6px}.prose a{color:var(--color-accent)}.prose a:hover{text-decoration:underline}.article-header{margin-bottom:var(--space-3xl)}.article-header time{font-size:13px;color:var(--color-text-secondary);display:block;margin-bottom:var(--space-md)}.article-header h1{font-size:clamp(1.8rem,4vw,2.4rem);font-weight:700;letter-spacing:-0.02em;line-height:1.2}.privacy-updated{font-size:14px;color:var(--color-text-secondary);margin-bottom:var(--space-2xl)}.download-box{margin-top:var(--space-2xl);display:flex;flex-direction:column;align-items:center;gap:var(--space-md)}.download-btn{font-size:18px;padding:16px 36px}.download-meta{font-size:13px;color:var(--color-text-secondary)}.requirements-list{display:flex;flex-direction:column;gap:var(--space-md);margin-top:var(--space-lg)}.requirements-list li{font-size:15px;color:var(--color-text-secondary);padding-left:var(--space-xl);position:relative}.requirements-list li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;background:var(--color-accent);border-radius:50%;opacity:0.6}.requirements-list li strong{color:var(--color-text)}@media print{.nav,.footer{display:none}body{background:white;color:black}}