:root{--color-bg-dark: #0f172a;--color-bg-darker: #0b1120;--color-bg-card: #1e293b;--color-bg-white: #ffffff;--color-bg-light: #f8fafc;--color-bg-muted: #1a2744;--color-accent-blue: #3b82f6;--color-accent-purple: #8b5cf6;--color-accent-cyan: #06b6d4;--color-text-primary: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-text-dark: #1e293b;--color-text-dark-secondary: #475569;--color-border: #334155;--color-success: #22c55e;--color-warning: #f59e0b;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-14: 56px;--space-16: 64px;--space-20: 80px;--space-24: 96px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1), 0 2px 4px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .15), 0 4px 10px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 50px rgba(0, 0, 0, .2);--shadow-glow-blue: 0 0 20px rgba(59, 130, 246, .4);--shadow-glow-purple: 0 0 20px rgba(139, 92, 246, .4);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--color-text-primary);background-color:var(--color-bg-dark);overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button{cursor:pointer;border:none;outline:none;font-family:inherit}ul{list-style:none}.page-enter{animation:fadeIn .8s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}.reveal.visible{opacity:1!important;transform:translateY(0)!important}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-6)}@media(max-width:768px){.container{padding:0 var(--space-4)}}.section{padding:var(--space-20) 0}.section-dark{background-color:var(--color-bg-darker)}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:var(--space-3);color:var(--color-text-primary)}.section-subtitle{font-size:1.125rem;text-align:center;color:var(--color-text-secondary);max-width:640px;margin:0 auto var(--space-16);line-height:1.7}@media(max-width:768px){.section{padding:var(--space-12) 0}.section-title{font-size:1.5rem}.section-subtitle{font-size:1rem;margin-bottom:var(--space-10)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:1rem;font-weight:600;border-radius:var(--radius-md);transition:all var(--transition-normal);white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--color-accent-blue),var(--color-accent-purple));color:#fff;box-shadow:0 4px 15px #3b82f64d}.btn-primary:hover{transform:scale(1.05);box-shadow:0 6px 25px #3b82f680,0 0 30px #8b5cf64d}.btn-secondary{background:var(--color-bg-card);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{border-color:var(--color-accent-blue);background:#3b82f61a}.btn-lg{padding:var(--space-4) var(--space-8);font-size:1.125rem;border-radius:var(--radius-lg)}.gradient-text{background:linear-gradient(135deg,var(--color-accent-blue),var(--color-accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}