:root{--color-primary-950: #060e1a;--color-primary-900: #0a1628;--color-primary-800: #0f2042;--color-primary-700: #162d5a;--color-primary-600: #1e3a73;--color-primary-500: #2a4f9e;--color-primary-400: #3b6fd4;--color-primary-300: #6b9ce6;--color-primary-200: #a3c4f0;--color-primary-100: #d6e4f8;--color-gray-900: #1a1a2e;--color-gray-800: #2d2d44;--color-gray-700: #4a4a68;--color-gray-600: #6b6b8d;--color-gray-500: #8e8ea8;--color-gray-400: #b0b0c4;--color-gray-300: #d0d0de;--color-gray-200: #e4e4ee;--color-gray-100: #f0f0f6;--color-gray-50: #f8f8fc;--color-accent: #4f8cff;--color-accent-hover: #6ba3ff;--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--space-4xl: 96px;--space-5xl: 128px;--font-sans: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.5rem;--text-5xl: 3.5rem;--text-6xl: 4.5rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .6);--shadow-glow: 0 0 20px rgba(79, 140, 255, .3);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--max-width: 1200px;--header-height: 72px}*,*: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:var(--text-base);line-height:1.6;color:var(--color-gray-200);background-color:var(--color-primary-900);overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{border:none;cursor:pointer;font-family:inherit;font-size:inherit}input,textarea{font-family:inherit;font-size:inherit}ul,ol{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.section{padding:var(--space-5xl) 0}.section-title{font-size:var(--text-4xl);font-weight:700;color:#fff;margin-bottom:var(--space-md);letter-spacing:-.02em}.section-subtitle{font-size:var(--text-lg);color:var(--color-gray-400);max-width:640px;margin:0 auto var(--space-3xl);line-height:1.7}.text-gradient{background:linear-gradient(135deg,var(--color-accent),#a78bfa,#f472b6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:14px 32px;background:var(--color-accent);color:#fff;font-weight:600;font-size:var(--text-base);border-radius:var(--radius-md);transition:all var(--transition-base);box-shadow:var(--shadow-glow)}.btn-primary:hover{background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:0 0 30px #4f8cff80}.btn-primary:active{transform:translateY(0)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:14px 32px;background:transparent;color:var(--color-gray-200);font-weight:500;font-size:var(--text-base);border-radius:var(--radius-md);border:1px solid var(--color-gray-700);transition:all var(--transition-base)}.btn-secondary:hover{border-color:var(--color-gray-500);background:#ffffff0d;transform:translateY(-2px)}.card{background:linear-gradient(135deg,#ffffff0d,#ffffff05);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:var(--space-xl);transition:all var(--transition-base)}.card:hover{border-color:#4f8cff4d;box-shadow:var(--shadow-glow);transform:translateY(-4px)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--color-primary-900)}::-webkit-scrollbar-thumb{background:var(--color-gray-700);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-600)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #4f8cff4d}50%{box-shadow:0 0 40px #4f8cff99}}.animate-fade-in-up{animation:fadeInUp .6s ease-out forwards}.animate-fade-in{animation:fadeIn .6s ease-out forwards}.animate-float{animation:float 6s ease-in-out infinite}@media(max-width:768px){:root{--header-height: 64px}.section{padding:var(--space-3xl) 0}.section-title{font-size:var(--text-3xl)}.section-subtitle{font-size:var(--text-base)}.container{padding:0 var(--space-md)}}@media(max-width:480px){.section-title{font-size:var(--text-2xl)}.btn-primary,.btn-secondary{padding:12px 24px;font-size:var(--text-sm)}}