:root{color-scheme:dark;--accent: #56ccff;--accent-light: #6fdcff;--accent-bright: #3bcfff;--accent-glow: #52d8ff;--accent-soft: #4dc7ff;--text-muted: #9aa9be;--text-body: #b8c7d8;--text-heading-soft: #dbeafe;--text-label: #c5d4e5;--text-product: #e0f2ff;--border: rgba(255, 255, 255, .08);--border-light: rgba(255, 255, 255, .03);--border-solid: rgba(255, 255, 255, .05);--bg-dark: #080d26;--bg-navbar: rgba(0, 0, 0, .4);--bg-navbar-scrolled: rgba(4, 8, 22, .7);--bg-card: rgba(13, 17, 29, .7);--bg-card-hover: rgba(20, 26, 43, .8);--bg-footer: rgba(4, 8, 22, .7);--primary-grad: linear-gradient(90deg, #2F80ED, #00C6FF, #2F80ED);--accent-grad: linear-gradient(135deg, #ffffff 20%, #56ccff 60%, #00ffd0 100%);--spotlight-grad: radial-gradient(320px circle at var(--x, 0px) var(--y, 0px), rgba(86, 204, 255, .15) 0%, rgba(0, 255, 208, .06) 50%, transparent 80%);--card-glow-grad: linear-gradient(135deg, rgba(86, 204, 255, .5), rgba(0, 255, 208, .2));--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-heading: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--transition-base: .3s;--transition-smooth: .4s cubic-bezier(.16, 1, .3, 1);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth;overflow-x:hidden;-webkit-text-size-adjust:100%;scrollbar-gutter:stable;overscroll-behavior-y:none}body{background:var(--bg-dark);color:#fff;font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}h1,h2,h3,h4,.logo{font-family:var(--font-heading);letter-spacing:-.02em}.skip-link{position:absolute;top:-100%;left:16px;padding:8px 16px;background:var(--accent);color:#040816;border-radius:8px;font-weight:600;text-decoration:none;z-index:1001}.skip-link:focus{top:8px}body:before{content:"";position:fixed;left:0;top:0;width:100%;height:100%;background:radial-gradient(circle at 15% 15%,rgba(99,102,241,.15),transparent 45%),radial-gradient(circle at 85% 20%,rgba(56,189,248,.12),transparent 45%),radial-gradient(circle at 50% 80%,rgba(139,92,246,.1),transparent 50%),radial-gradient(circle at 80% 85%,rgba(20,184,166,.08),transparent 40%);z-index:-2}body:after{content:"";position:fixed;left:0;top:0;width:100%;height:100%;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:60px 60px;z-index:-1;mask-image:radial-gradient(circle at center,black 30%,transparent 80%);-webkit-mask-image:radial-gradient(circle at center,black 30%,transparent 80%)}.circle{position:fixed;width:600px;height:600px;border-radius:62% 47% 82% 35%/45% 45% 80% 66%;background:radial-gradient(circle,rgba(139,92,246,.22) 0%,rgba(56,189,248,.12) 50%,transparent 100%);filter:blur(60px);animation:morph 12s infinite alternate,float 20s infinite alternate;pointer-events:none;z-index:-1;will-change:transform;opacity:.85}.c1{top:-150px;left:-150px}.c2{right:-150px;bottom:-150px;background:radial-gradient(circle,rgba(20,184,166,.18) 0%,rgba(99,102,241,.1) 50%,transparent 100%);animation-delay:-5s}#particle-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1}nav{position:fixed;top:0;left:50%;transform:translate(-50%);width:100%;max-width:100%;padding:22px 8%;display:flex;justify-content:space-between;align-items:center;background:var(--bg-navbar);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border-bottom:1px solid var(--border-light);z-index:1000;transition:top var(--transition-smooth),width var(--transition-smooth),max-width var(--transition-smooth),padding var(--transition-smooth),border-radius var(--transition-smooth),background var(--transition-base),border var(--transition-base),box-shadow var(--transition-base)}nav.nav-scrolled{top:16px;width:84%;max-width:1200px;padding:12px 32px;border-radius:50px;background:var(--bg-navbar-scrolled);border:1px solid var(--border);box-shadow:0 16px 36px #0006,inset 0 1px #ffffff0d;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}nav.nav-scrolled .logo{font-size:24px}.logo{font-size:30px;font-weight:800;letter-spacing:3px;color:var(--accent-light);transition:font-size var(--transition-smooth)}nav ul{display:flex;gap:35px;list-style:none}nav a{display:inline-block;color:#fff;text-decoration:none;transition:color var(--transition-base);position:relative;touch-action:manipulation}nav a:after{content:"";position:absolute;bottom:-4px;left:50%;width:0;height:2px;background:var(--accent);transition:var(--transition-base);transform:translate(-50%)}nav a.active,nav a:hover,nav a:focus-visible{color:var(--accent)}nav a.active:after,nav a:hover:after,nav a:focus-visible:after{width:100%}@keyframes navBounce{0%{transform:translateY(0)}25%{transform:translateY(-5px)}50%{transform:translateY(0)}75%{transform:translateY(-2px)}to{transform:translateY(0)}}nav a.bounce{animation:navBounce .45s ease}.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:28px;cursor:pointer;touch-action:manipulation}.hero{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;text-align:center;padding:0 30px;position:relative}.hero h1{font-size:90px;font-weight:800;letter-spacing:-.03em;line-height:1.1;background:var(--accent-grad);background-size:200% auto;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;color:transparent;animation:shimmer 6s ease-in-out infinite;filter:drop-shadow(0 4px 12px rgba(86,204,255,.15))}.hero h2{font-size:32px;margin-top:24px;font-weight:600;color:var(--text-heading-soft);letter-spacing:-.01em}.hero p{margin:35px auto;max-width:760px;font-size:18px;line-height:1.8;color:var(--text-body)}.scroll-indicator{position:absolute;bottom:40px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);transition:color var(--transition-base),transform var(--transition-base);z-index:10;text-decoration:none}.scroll-indicator:hover{color:var(--accent);transform:translate(-50%) translateY(4px)}.scroll-indicator .mouse{width:24px;height:40px;border:2px solid currentColor;border-radius:12px;display:flex;justify-content:center;padding-top:8px;opacity:.6}.scroll-indicator .wheel{width:4px;height:8px;background:currentColor;border-radius:2px;animation:scrollMouseWheel 1.6s ease-in-out infinite}.buttons{display:flex;justify-content:center;gap:20px;margin-top:25px}.btn{display:inline-block;padding:16px 36px;border-radius:40px;font-weight:600;cursor:pointer;transition:transform var(--transition-smooth),box-shadow var(--transition-base),background-position .5s,background-color var(--transition-base),border-color var(--transition-base);text-decoration:none;touch-action:manipulation}.primary{position:relative;background:var(--primary-grad);background-size:200% auto;color:#fff;overflow:hidden}.primary:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(120deg,transparent 35%,rgba(255,255,255,.45) 50%,transparent 65%);background-size:250% 100%;background-position:150% 0;mix-blend-mode:overlay;pointer-events:none;transition:background-position .7s cubic-bezier(.16,1,.3,1)}.primary:hover:after{background-position:-50% 0}.secondary{border:1px solid rgba(77,199,255,.3);background:#4dc7ff08;color:var(--accent-soft);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.btn:hover{transform:translateY(-4px);box-shadow:0 12px 30px 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