:root{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-card:#1c2333;--border:#30363d;--text-primary:#e6edf3;--text-secondary:#8b949e;--accent:#2ea6ff;--accent-hover:#58b9ff;--accent-glow:rgba(46,166,255,.15);--green:#3fb950;--green-bg:rgba(63,185,80,.1);--red:#f85149;--radius:12px;--radius-sm:8px;--max-width:1100px;--transition:0.2s ease}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;font-size:16px;line-height:1.6;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--accent-hover)}img{max-width:100%;height:auto}code{font-family:SF Mono,Fira Code,Consolas,monospace;font-size:.9em;background:var(--bg-secondary);padding:2px 6px;border-radius:4px}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section{padding:80px 0}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:8px;letter-spacing:-.5px}.section-subtitle{font-size:1.1rem;color:var(--text-secondary);text-align:center;max-width:560px;margin:0 auto 48px}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;font-size:1rem;font-weight:600;border:none;border-radius:28px;cursor:pointer;transition:all var(--transition);text-decoration:none;white-space:nowrap}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 16px var(--accent-glow)}.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 6px 24px var(--accent-glow)}.btn-outline{background:transparent;color:var(--accent);border:2px solid var(--accent)}.btn-outline:hover{background:var(--accent);color:#fff}.header{position:-webkit-sticky;position:sticky;top:0;z-index:110;background:rgba(13,17,23,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--max-width);margin:0 auto;padding:14px 24px}.header-logo{font-size:1.25rem;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.header-nav{display:flex;align-items:center;gap:24px}.header-nav a{color:var(--text-secondary);font-size:.9rem;font-weight:500}.header-nav a:hover{color:var(--text-primary)}.lang-switch{display:flex;gap:4px;margin-left:8px}.lang-switch a{padding:4px 8px;border-radius:4px;font-size:.8rem;font-weight:600;color:var(--text-secondary);transition:all var(--transition)}.lang-switch a.active,.lang-switch a:hover{background:var(--bg-card);color:var(--text-primary)}.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}.hamburger span{display:block;width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:all .2s ease;transform-origin:center}.menu-overlay{position:fixed;inset:0;background:transparent;z-index:200;pointer-events:none;transition:background .3s ease}.menu-overlay.open{background:rgba(0,0,0,.55);pointer-events:auto}.menu-drawer{position:fixed;top:0;right:0;width:280px;max-width:85vw;height:100vh;background:var(--bg-secondary);border-left:1px solid var(--border);z-index:201;transform:translateX(100%);transition:transform .3s ease;padding:72px 24px 32px;display:flex;flex-direction:column;gap:24px;overflow-y:auto}.menu-drawer.open{transform:translateX(0)}.menu-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--text-secondary);font-size:22px;cursor:pointer;padding:8px;line-height:1;transition:color .15s}.menu-close:hover{color:var(--text-primary)}.menu-nav{display:flex;flex-direction:column;gap:4px}.menu-nav a{display:block;font-size:1.1rem;font-weight:600;color:var(--text-primary);padding:14px 0;border-bottom:1px solid var(--border);transition:color .15s}.menu-nav a:hover{color:var(--accent)}.menu-lang{margin-top:8px}.menu-lang-label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}.menu-lang-list{display:flex;gap:8px;flex-wrap:wrap}.menu-lang-list a{padding:7px 14px;border-radius:8px;font-size:.85rem;font-weight:600;color:var(--text-secondary);border:1px solid var(--border);transition:all .15s}.menu-lang-list a.active,.menu-lang-list a:hover{background:var(--accent);color:#fff;border-color:var(--accent)}@media (max-width:768px){.header-nav{display:none}.hamburger{display:flex}}.hero{text-align:center;padding:100px 24px 80px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-50%;left:-20%;width:140%;height:200%;background:radial-gradient(ellipse at 50% 0,rgba(46,166,255,.08) 0,transparent 60%);pointer-events:none}.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.2;max-width:720px;margin:0 auto 16px;letter-spacing:-1px}.hero p{font-size:1.15rem;color:var(--text-secondary);max-width:560px;margin:0 auto 32px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--green-bg);color:var(--green);padding:6px 14px;border-radius:20px;font-size:.85rem;font-weight:600;margin-top:24px}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:border-color var(--transition)}.feature-card:hover{border-color:var(--accent)}.feature-icon{font-size:2rem;margin-bottom:12px}.feature-card h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}.feature-card p{font-size:.92rem;color:var(--text-secondary);line-height:1.55}.steps{display:flex;gap:32px;justify-content:center;flex-wrap:wrap}.step{flex:1 1;min-width:240px;max-width:320px;text-align:center;padding:24px}.step-number{display:flex;align-items:center;justify-content:center;width:48px;height:48px;margin:0 auto 16px;border-radius:50%;background:var(--accent-glow);color:var(--accent);font-size:1.2rem;font-weight:700}.step h3{font-size:1.05rem;margin-bottom:8px}.step p{font-size:.92rem;color:var(--text-secondary)}.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:16px;gap:16px;align-items:stretch}.pricing-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;display:flex;flex-direction:column;transition:border-color var(--transition)}.pricing-card:hover{border-color:var(--accent)}.pricing-card.bonus{border-color:var(--green);background:var(--green-bg)}.pricing-card h3{font-size:1rem;font-weight:600;margin-bottom:4px}.pricing-tokens{font-size:1.6rem;font-weight:700;color:var(--accent);margin:8px 0 2px}.pricing-card.bonus .pricing-tokens{color:var(--green)}.pricing-price{font-size:1.3rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.pricing-card p{font-size:.85rem;color:var(--text-secondary);flex:1 1}.pricing-buy{margin-top:12px}.pricing-methods{text-align:center;font-size:.85rem;color:var(--text-secondary);margin-top:20px}.faq-list{max-width:700px;margin:0 auto}.faq-item{border-bottom:1px solid var(--border);padding:16px 0}.faq-question{width:100%;text-align:left;background:none;border:none;color:var(--text-primary);font-size:1rem;font-weight:600;cursor:pointer;padding:8px 0;display:flex;justify-content:space-between;align-items:center;transition:color var(--transition)}.faq-question:hover{color:var(--accent)}.faq-arrow{font-size:.8rem;transition:transform var(--transition);color:var(--text-secondary)}.faq-arrow.open{transform:rotate(180deg)}.faq-answer{font-size:.92rem;color:var(--text-secondary);line-height:1.6;padding-top:8px;padding-bottom:4px}.cta{text-align:center;padding:80px 0;background:radial-gradient(ellipse at 50% 50%,rgba(46,166,255,.06),transparent 70%)}.cta h2{font-size:2rem;font-weight:700;margin-bottom:12px}.cta p{font-size:1.1rem;color:var(--text-secondary);margin-bottom:28px}.footer{border-top:1px solid var(--border);padding:32px 0;text-align:center}.footer-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;flex-direction:column;align-items:center;gap:8px}.footer-inner p{font-size:.85rem;color:var(--text-secondary)}.viewer-wrapper{position:relative;overflow:hidden}.viewer-wrapper canvas:focus-visible{outline:none}.viewer-loading{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:#0d1117;color:#8b949e;font-family:system-ui,sans-serif}.viewer-back-btn:hover{background:var(--bg-card)!important}.viewer-controls button:hover{border-color:var(--accent)!important;color:var(--text-primary)!important}@media (max-width:700px){.viewer-controls{gap:4px!important;padding:8px 10px!important}.viewer-controls button{font-size:11px!important;padding:6px 10px!important}}.notfound{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;padding:24px}.notfound h1{font-size:3rem;font-weight:700;margin-bottom:8px}.notfound p{color:var(--text-secondary);margin-bottom:24px}@media (max-width:900px){.features-grid,.pricing-grid{grid-template-columns:repeat(2,1fr)}.steps{flex-direction:column;align-items:center}}@media (max-width:600px){.section{padding:48px 0}.section-title{font-size:1.5rem}.hero{padding:60px 16px 48px}.hero h1{font-size:1.7rem}.features-grid,.pricing-grid{grid-template-columns:1fr}.header-nav{gap:12px}.lang-switch a{font-size:.7rem;padding:3px 6px}}