.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:var(--space-sm) 0;background:#0a0f1acc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border)}.nav-container{max-width:1200px;margin:0 auto;padding:0 var(--space-md);display:flex;justify-content:space-between;align-items:center}.nav-logo{display:flex;align-items:center;gap:var(--space-xs);font-size:1.25rem;font-weight:600;color:var(--accent-primary)}.nav-logo-img{height:32px;width:auto;border-radius:var(--radius-xs)}.nav-logo span{color:var(--text-primary)}.nav-links{display:flex;align-items:center;gap:var(--space-lg)}.nav-links a{font-size:.9rem;font-weight:500;color:var(--text-secondary);transition:color var(--transition-fast)}.nav-links a:hover{color:var(--text-primary)}.nav-github{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.nav-github:hover{background:var(--bg-card-hover);border-color:var(--accent-primary)}@media(max-width:768px){.nav-links{display:none}}.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:var(--space-3xl) 0;overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(212,168,83,.15),transparent),radial-gradient(ellipse 60% 40% at 80% 60%,rgba(59,130,246,.08),transparent);pointer-events:none}.hero-content{position:relative;text-align:center;max-width:800px;margin:0 auto}.hero-logo{width:180px;height:auto;margin-bottom:var(--space-lg);border-radius:var(--radius-md);box-shadow:0 8px 32px #d4a85333;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.hero-badge{display:inline-block;padding:var(--space-xs) var(--space-sm);margin-bottom:var(--space-md);font-size:.8rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--accent-primary);background:#d4a8531a;border:1px solid rgba(212,168,83,.3);border-radius:var(--radius-xl)}.hero-title{font-size:clamp(2.5rem,8vw,4.5rem);font-weight:700;line-height:1.1;margin-bottom:var(--space-sm)}.hero-chinese{display:block;color:var(--accent-primary);font-size:.6em;margin-bottom:var(--space-xs)}.hero-subtitle{font-size:clamp(1.25rem,3vw,1.75rem);font-weight:300;color:var(--text-secondary);margin-bottom:var(--space-md)}.hero-description{font-size:1.1rem;color:var(--text-secondary);max-width:600px;margin:0 auto var(--space-xl);line-height:1.8}.hero-cta{display:flex;justify-content:center;gap:var(--space-sm);margin-bottom:var(--space-2xl);flex-wrap:wrap}.hero-stats{display:flex;justify-content:center;gap:var(--space-2xl);flex-wrap:wrap}.stat{text-align:center}.stat-value{display:block;font-size:1.75rem;font-weight:700;color:var(--accent-primary)}.stat-label{font-size:.85rem;color:var(--text-muted)}@media(max-width:768px){.hero-stats{gap:var(--space-lg)}}.hero-preview{margin-top:var(--space-3xl);width:100%;display:flex;justify-content:center}.hero-preview-image{max-width:100%;width:900px;height:auto;border-radius:var(--radius-lg);box-shadow:0 20px 40px #0000004d;border:1px solid rgba(255,255,255,.1);transition:transform .3s ease}.hero-preview-image:hover{transform:translateY(-5px)}.installation{padding:var(--space-3xl) 0}.install-card{max-width:700px;margin:0 auto;padding:var(--space-xl);background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.install-steps{display:flex;flex-direction:column;gap:var(--space-lg)}.install-step{display:flex;gap:var(--space-md);align-items:flex-start}.install-step-num{display:flex;align-items:center;justify-content:center;min-width:36px;height:36px;font-size:.9rem;font-weight:700;color:var(--bg-primary);background:var(--accent-primary);border-radius:50%}.install-step-content h4{font-size:1.1rem;font-weight:600;margin-bottom:var(--space-xs)}.install-step-content p{font-size:.9rem;color:var(--text-secondary);margin-bottom:var(--space-sm)}.install-step-content code{padding:2px 8px;font-family:Consolas,Monaco,monospace;font-size:.85rem;background:#0000004d;border-radius:4px;color:var(--accent-secondary)}.install-note{display:flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-lg);padding:var(--space-sm);font-size:.85rem;color:var(--text-muted);background:#0003;border-radius:var(--radius-sm)}.install-note svg{flex-shrink:0;color:var(--accent-primary)}@media(max-width:768px){.install-step{flex-direction:column;align-items:center;text-align:center}}.features{padding:var(--space-3xl) 0;background:var(--bg-secondary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--space-md)}.feature-card{padding:var(--space-lg);background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:all var(--transition-base)}.feature-card:hover{transform:translateY(-4px);background:var(--bg-card-hover);border-color:#d4a8534d;box-shadow:0 8px 32px #0000004d}.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;margin-bottom:var(--space-md);background:#d4a8531a;border-radius:var(--radius-md);color:var(--accent-primary)}.feature-card h3{font-size:1.2rem;font-weight:600;margin-bottom:var(--space-xs)}.feature-card p{font-size:.95rem;color:var(--text-secondary);line-height:1.7}@media(max-width:768px){.features-grid{grid-template-columns:1fr}}.how-it-works{padding:var(--space-3xl) 0}.steps{display:flex;align-items:center;justify-content:center;flex-wrap:wrap}.step-wrapper{display:flex;align-items:center}.step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-lg);max-width:280px}.step-number{display:flex;align-items:center;justify-content:center;width:64px;height:64px;margin-bottom:var(--space-md);font-size:1.5rem;font-weight:700;color:var(--bg-primary);background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border-radius:50%;box-shadow:0 4px 20px var(--accent-glow)}.step-content h3{font-size:1.15rem;font-weight:600;margin-bottom:var(--space-xs)}.step-content p{font-size:.9rem;color:var(--text-secondary)}.step-connector{width:60px;height:2px;background:linear-gradient(90deg,var(--accent-primary),transparent);opacity:.5}@media(max-width:768px){.steps{flex-direction:column}.step-connector{display:none}}.tech-stack{padding:var(--space-3xl) 0;background:var(--bg-secondary)}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-md)}.tech-card{padding:var(--space-md);background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-md);text-align:center;transition:all var(--transition-base)}.tech-card:hover{border-color:var(--accent-primary);background:var(--bg-card-hover)}.tech-name{font-size:1.1rem;font-weight:600;color:var(--accent-primary);margin-bottom:var(--space-xs)}.tech-desc{font-size:.85rem;color:var(--text-secondary)}.track-page{width:100vw;min-height:100vh;background:#0a0a0f;display:flex;justify-content:center;align-items:center;position:relative;overflow:hidden;-webkit-font-smoothing:antialiased}.track-glow{position:absolute;border-radius:50%;filter:blur(120px);pointer-events:none;opacity:.35}.track-glow--purple{width:500px;height:500px;background:radial-gradient(circle,#6c3baa 0%,transparent 70%);top:-10%;right:-5%;animation:glow-drift 12s ease-in-out infinite alternate}.track-glow--blue{width:400px;height:400px;background:radial-gradient(circle,#2a5caa 0%,transparent 70%);bottom:-8%;left:-3%;animation:glow-drift 10s ease-in-out infinite alternate-reverse}@keyframes glow-drift{0%{transform:translate(0) scale(1)}to{transform:translate(30px,-20px) scale(1.1)}}.track-content{position:relative;z-index:2;text-align:center;padding:3rem 2rem;opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}.track-content--visible{opacity:1;transform:translateY(0)}.track-header{margin-bottom:4rem}.track-index{display:block;font-family:Share Tech Mono,SF Mono,monospace;font-size:.8rem;color:#ffffff40;letter-spacing:3px;margin-bottom:1rem}.track-title{font-family:Inter,-apple-system,sans-serif;font-size:clamp(3rem,8vw,6rem);font-weight:700;color:#fff;letter-spacing:-.03em;line-height:1;margin:0;text-transform:uppercase}.track-subtitle{font-family:Share Tech Mono,SF Mono,monospace;font-size:.85rem;color:#ffffff4d;letter-spacing:5px;text-transform:uppercase;margin-top:1rem}.track-metrics{display:flex;align-items:center;justify-content:center;gap:3.5rem;margin-bottom:4rem}.track-metric{display:flex;flex-direction:column;align-items:center;gap:.75rem}.track-metric__label{font-family:Share Tech Mono,SF Mono,monospace;font-size:.75rem;color:#ffffff4d;letter-spacing:3px;text-transform:lowercase}.track-metric__number{font-family:Inter,-apple-system,sans-serif;font-size:clamp(3rem,10vw,5.5rem);font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1;background:linear-gradient(180deg,#fff 30%,#ffffff80);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.track-divider{width:1px;height:80px;background:linear-gradient(180deg,transparent 0%,rgba(255,255,255,.12) 50%,transparent 100%)}.track-back{margin-top:0}.track-back__link{display:inline-flex;align-items:center;gap:.5rem;font-family:Share Tech Mono,SF Mono,monospace;font-size:.75rem;color:#ffffff40;text-decoration:none;letter-spacing:2px;text-transform:lowercase;padding:.75rem 0;transition:color .3s ease}.track-back__link:hover{color:#ffffffb3}.track-back__link svg{transition:transform .3s ease}.track-back__link:hover svg{transform:translate(-3px)}@media(max-width:640px){.track-metrics{flex-direction:column;gap:2rem}.track-divider{width:60px;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.12) 50%,transparent 100%)}.track-header{margin-bottom:3rem}.track-content{padding:2rem 1.5rem}}:root{--bg-primary: #0a0f1a;--bg-secondary: #111827;--bg-card: rgba(26, 34, 52, .6);--bg-card-hover: rgba(36, 48, 72, .7);--glass-border: rgba(255, 255, 255, .08);--accent-primary: #d4a853;--accent-secondary: #f0c675;--accent-glow: rgba(212, 168, 83, .3);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--space-2xl: 4rem;--space-3xl: 6rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}a{text-decoration:none;color:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:.875rem 1.75rem;font-size:1rem;font-weight:600;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);border:none}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:var(--bg-primary);box-shadow:0 4px 20px var(--accent-glow)}.btn-primary:hover{transform:none;box-shadow:0 4px 20px var(--accent-glow)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--glass-border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--accent-primary)}.section-header{text-align:center;margin-bottom:var(--space-2xl)}.section-title{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;margin-bottom:var(--space-sm)}.section-subtitle{font-size:1.1rem;color:var(--text-secondary)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{opacity:0;transform:translateY(20px);transition:opacity var(--transition-slow),transform var(--transition-slow)}.fade-in.visible{opacity:1;transform:translateY(0)}@media(max-width:768px){.hide-mobile{display:none}}