:root{--color-bg: #05070f;--color-bg-soft: #080b17;--color-surface: #0c1122;--color-surface-2: #111834;--color-line: rgba(255, 255, 255, .08);--color-line-strong: rgba(255, 255, 255, .16);--color-text: #eef2ff;--color-text-soft: #aab3d4;--color-text-dim: #6c76a0;--color-teal: #4be3c8;--color-blue: #4d7cfe;--color-violet: #8a5cff;--color-accent: var(--color-blue);--grad-brand: linear-gradient(120deg, #4be3c8 0%, #4d7cfe 48%, #8a5cff 100%);--grad-brand-soft: linear-gradient(120deg, rgba(75, 227, 200, .16), rgba(138, 92, 255, .16));--grad-text: linear-gradient(120deg, #7ff2e0 0%, #8fb0ff 50%, #b79bff 100%);--font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--text-xs: .8125rem;--text-sm: .9rem;--text-base: clamp(.95rem, .9rem + .22vw, 1.08rem);--text-lg: clamp(1.18rem, 1rem + .7vw, 1.45rem);--text-xl: clamp(1.8rem, 1.4rem + 1.9vw, 3rem);--text-hero: clamp(2.85rem, 1.4rem + 6.6vw, 7rem);--text-display: clamp(2.2rem, 1.6rem + 3vw, 4rem);--space-section: clamp(2.6rem, 1.8rem + 3.4vw, 5.75rem);--container: min(96vw, 1760px);--gutter: clamp(1rem, .6rem + 1.6vw, 2rem);--radius-sm: 10px;--radius: 16px;--radius-lg: 26px;--shadow-soft: 0 22px 52px -34px rgba(4, 8, 24, .72);--shadow-glow: 0 0 0 1px rgba(122, 150, 255, .14), 0 28px 74px -50px rgba(77, 124, 254, .45);--dur-fast: .18s;--dur: .34s;--dur-slow: .62s;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}body{margin:0;font-family:var(--font-sans);font-size:var(--text-base);line-height:1.7;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(65% 50% at 12% -5%,rgba(75,227,200,.16),transparent 60%),radial-gradient(60% 50% at 92% 6%,rgba(138,92,255,.18),transparent 60%),radial-gradient(55% 45% at 50% 108%,rgba(77,124,254,.16),transparent 65%);pointer-events:none}body:after{content:"";position:fixed;inset:0;z-index:-3;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 20%,#000 40%,transparent 100%);pointer-events:none}h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.12;letter-spacing:-.01em}p{margin:0}a{color:inherit;text-decoration:none;transition:color var(--dur-fast) var(--ease-out)}img,svg{display:block;max-width:100%}ul{margin:0;padding:0;list-style:none}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}:focus-visible{outline:2px solid var(--color-teal);outline-offset:3px;border-radius:4px}::selection{background:#4d7cfe59;color:#fff}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}.section{position:relative;padding-block:var(--space-section)}.gradient-text{background:var(--grad-text);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 6s linear infinite}@keyframes shimmer{to{background-position:200% center}}@media (prefers-reduced-motion: reduce){.gradient-text{animation:none}}.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:var(--text-xs);font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--color-teal)}.eyebrow:before{content:"";width:40px;height:1px;background:var(--grad-brand)}.section-title{font-size:var(--text-xl);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin-top:1rem;max-width:22ch}.section-lead{margin-top:1rem;max-width:62ch;color:var(--color-text-soft);font-size:var(--text-lg);line-height:1.6}.btn{display:inline-flex;align-items:center;gap:.55rem;padding:.8rem 1.55rem;border-radius:999px;font-weight:600;font-size:var(--text-base);transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur) var(--ease-out),background var(--dur) var(--ease-out);will-change:transform}.btn-primary{color:#05070f;background:var(--grad-brand);box-shadow:0 8px 22px -16px #4d7cfe80}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px -18px #8a5cff8c}.btn-ghost{color:var(--color-text);border:1px solid var(--color-line-strong);background:#ffffff05}.btn-ghost:hover{transform:translateY(-2px);border-color:#7a96ff80;background:#7a96ff14}.glass{background:linear-gradient(160deg,#ffffff0d,#ffffff04);border:1px solid var(--color-line);border-radius:var(--radius);backdrop-filter:blur(14px)}.reveal{opacity:0;transform:translateY(28px);transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out);transition-delay:var(--reveal-delay, 0ms)}.reveal.is-visible{opacity:1;transform:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}