:root{--bg-primary: #FFFFFF;--bg-secondary: #F7F9FC;--bg-tertiary: #EFF3F8;--text-primary: #0F172A;--text-secondary: #475569;--text-tertiary: #64748B;--border-color: #E2E8F0;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 6px rgba(15, 23, 42, .06);--shadow-lg: 0 10px 20px rgba(15, 23, 42, .08);--shadow-xl: 0 20px 40px rgba(15, 23, 42, .1);--color-primary: #2563EB;--color-primary-light: #3B82F6;--color-primary-dark: #1E40AF;--color-accent: #0EA5E9;--color-success: #059669;--accent-primary: var(--color-primary);--accent-secondary: var(--color-accent);--gradient-primary: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);--gradient-accent: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);--gradient-subtle: linear-gradient(180deg, #FFFFFF 0%, #F7F9FC 100%);--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--spacing-xl: 6rem;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition-smooth: all .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: all .4s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-primary: #0F1419;--bg-secondary: #1A1F2E;--bg-tertiary: #252A3A;--text-primary: #FDFDFD;--text-secondary: #CBD5E0;--text-tertiary: #A0AEC0;--border-color: #2D3748;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .6)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}#app{position:relative;z-index:1;min-height:100vh}.theme-toggle{position:fixed;top:2rem;right:2rem;z-index:1000;width:48px;height:48px;border-radius:12px;background:var(--bg-secondary);border:1px solid var(--border-color);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition-smooth);box-shadow:var(--shadow-md)}.theme-toggle:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:var(--bg-tertiary)}.theme-toggle svg{width:24px;height:24px;color:var(--text-primary);transition:var(--transition-smooth)}.theme-toggle .sun-icon{display:none}.theme-toggle .moon-icon,[data-theme=dark] .theme-toggle .sun-icon{display:block}[data-theme=dark] .theme-toggle .moon-icon{display:none}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:#fffffff2;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border-color);transition:var(--transition-smooth);box-shadow:var(--shadow-sm)}[data-theme=dark] .nav{background:#0f1419f2}.nav-content{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:.75rem}.nav-logo-img{width:36px;height:36px;transition:var(--transition-smooth)}.nav-logo-text{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.nav-links{display:flex;gap:2rem;align-items:center}.nav-links a{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.95rem;transition:var(--transition-smooth);position:relative}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--gradient-primary);transition:width .3s ease}.nav-links a:hover{color:var(--accent-primary)}.nav-links a:hover:after{width:100%}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg) var(--spacing-md);padding-top:calc(var(--spacing-xl) + 60px);position:relative;overflow:hidden}.hero-content{text-align:center;max-width:900px;animation:fadeInUp 1s ease-out;transition:opacity .1s ease-out,transform .1s ease-out}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1.25rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:100px;margin-bottom:var(--spacing-md);font-size:.8125rem;font-weight:600;color:var(--text-secondary);letter-spacing:.01em;animation:fadeInUp .8s ease-out .2s backwards}.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--color-success);animation:pulse 3s ease-in-out infinite}.title{font-size:clamp(2.5rem,6vw,4rem);font-weight:800;color:var(--text-primary);margin-bottom:var(--spacing-md);letter-spacing:-.025em;line-height:1.15;animation:fadeInUp .8s ease-out .3s backwards}.title br{display:block}.subtitle{font-size:clamp(1.0625rem,2vw,1.25rem);color:var(--text-secondary);max-width:700px;margin:0 auto var(--spacing-lg);line-height:1.65;font-weight:400;animation:fadeInUp .8s ease-out .5s backwards}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:var(--spacing-lg);animation:fadeInUp .8s ease-out .7s backwards}.btn{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:.875rem 1.75rem;font-size:.9375rem;font-weight:600;text-decoration:none;border-radius:8px;transition:var(--transition-smooth);position:relative;overflow:hidden;cursor:pointer;font-family:var(--font-family)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 2px 8px #2563eb40;border:none}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #2563eb59}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:1.5px solid var(--border-color);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--bg-secondary);border-color:var(--accent-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.trust-indicators{display:flex;gap:var(--spacing-lg);justify-content:center;flex-wrap:wrap;animation:fadeInUp .8s ease-out .9s backwards}.trust-item{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary);font-weight:500}.trust-icon{width:20px;height:20px;border-radius:50%;background:var(--color-success);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.6875rem;font-weight:700}.hero-notice{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:#fbbf241a;border:1px solid rgba(251,191,36,.3);border-radius:8px;margin-top:var(--spacing-md);font-size:.875rem;font-weight:500;color:#d97706;animation:fadeInUp 1s ease-out 1.2s backwards}[data-theme=dark] .hero-notice{background:#fbbf2426;border-color:#fbbf2466;color:#fcd34d}.notice-icon{font-size:1rem}.quick-start{padding:var(--spacing-xl) var(--spacing-md);background:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.quick-start-content{max-width:900px;margin:0 auto}.section-header{text-align:center;margin-bottom:var(--spacing-lg)}.section-header h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--text-primary);margin-bottom:var(--spacing-sm);letter-spacing:-.02em}.section-header p{font-size:1.15rem;color:var(--text-secondary)}.code-block{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg)}.code-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--bg-tertiary);border-bottom:1px solid var(--border-color)}.code-title{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.code-copy{background:transparent;border:1px solid var(--border-color);border-radius:6px;padding:.5rem;cursor:pointer;color:var(--text-secondary);transition:var(--transition-smooth);display:flex;align-items:center;justify-content:center}.code-copy:hover{background:var(--bg-secondary);color:var(--accent-primary);border-color:var(--accent-primary)}.code-block pre{margin:0;padding:1.5rem;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.9rem;line-height:1.8;overflow-x:auto}.code-block code{color:var(--text-primary)}.code-block .comment{color:var(--color-success);font-style:italic;opacity:.8}.footer{padding:var(--spacing-lg) var(--spacing-md);background:var(--bg-primary)}.footer-content{max-width:1200px;margin:0 auto}.footer-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:var(--spacing-md);margin-bottom:var(--spacing-md);border-bottom:1px solid var(--border-color)}.footer-brand{display:flex;align-items:center;gap:.75rem}.footer-logo{width:32px;height:32px;transition:var(--transition-smooth)}.footer-brand-text{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.footer-links{display:flex;gap:var(--spacing-md);flex-wrap:wrap}.footer-links a{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.95rem;transition:var(--transition-smooth)}.footer-links a:hover{color:var(--accent-primary)}.footer-bottom{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:var(--spacing-sm)}.copyright{color:var(--text-tertiary);font-size:.875rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@media(max-width:768px){.theme-toggle{top:1rem;right:1rem;width:44px;height:44px}.nav-content{padding:1rem}.nav-links{gap:1rem}.nav-links a{font-size:.875rem}.hero{padding-top:calc(var(--spacing-lg) + 60px)}.cta-buttons{flex-direction:column;align-items:stretch}.btn{justify-content:center}.trust-indicators{gap:var(--spacing-md)}.footer-top{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.footer-links{flex-direction:column;gap:var(--spacing-sm)}.footer-bottom{flex-direction:column;align-items:flex-start}}@media(max-width:480px){.nav-logo-text{display:none}.trust-indicators{flex-direction:column;gap:var(--spacing-sm)}}