:root{--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", ui-monospace, Menlo, Monaco, monospace;--color-bg: #000;--color-bg-elevated: #0a0a0a;--color-bg-light: #fbfbfd;--color-bg-light-alt: #f5f5f7;--color-text: #f5f5f7;--color-text-muted: #a1a1a6;--color-text-dark: #1d1d1f;--color-text-dark-muted: #6e6e73;--color-accent: #2997ff;--color-link: #06c;--header-height: 48px;--section-pad-y: clamp(4rem, 12vh, 8rem);--content-max: 1080px;--headline-size: clamp(2.5rem, 6vw, 4.5rem);--subhead-size: clamp(1.125rem, 2.5vw, 1.5rem);--ease-out: cubic-bezier(.25, .1, .25, 1);--duration: .6s}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.47059;letter-spacing:-.022em;background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.skip-link{position:absolute;left:-9999px;z-index:9999;padding:.75rem 1rem;background:#fff;color:#000}.skip-link:focus{left:1rem;top:1rem}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-height);display:flex;align-items:center;justify-content:center;transition:background var(--duration) var(--ease-out),backdrop-filter var(--duration) var(--ease-out)}.site-header.is-scrolled{background:#000000b8;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(255,255,255,.08)}.site-nav{display:flex;align-items:center;justify-content:space-between;width:min(100% - 2rem,var(--content-max))}.site-logo{font-size:1.25rem;font-weight:600;letter-spacing:-.02em}.site-nav__links{display:flex;gap:1.75rem;font-size:.875rem}.site-nav__links a{opacity:.88;transition:opacity .2s}.site-nav__links a:hover{opacity:1}.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:calc(var(--header-height) + 2rem) 1.5rem 4rem;overflow:hidden;background:radial-gradient(ellipse 80% 60% at 50% 0%,#1a1a2e,#000 55%)}.hero__glow{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 50% 30%,rgba(99,102,241,.35) 0%,transparent 50%);pointer-events:none}.hero__content{position:relative;z-index:1;max-width:52rem}.hero__eyebrow{margin:0 0 .75rem;font-size:1.125rem;font-weight:600;color:var(--color-accent);letter-spacing:.02em}.hero__title{margin:0 0 1rem;font-size:var(--headline-size);font-weight:700;letter-spacing:-.04em;line-height:1.05;background:linear-gradient(180deg,#fff,#ffffffbf);-webkit-background-clip:text;background-clip:text;color:transparent}.hero__subhead{margin:0 auto 2rem;max-width:36rem;font-size:var(--subhead-size);font-weight:400;color:var(--color-text-muted);line-height:1.4}.hero__cta{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}.hero__scroll-hint{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);opacity:.5;transition:opacity .2s}.hero__scroll-hint:hover{opacity:.9}.hero__scroll-chevron{display:block;width:20px;height:20px;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(45deg) translateY(-4px);animation:bounce-chevron 2s ease-in-out infinite}@keyframes bounce-chevron{0%,to{transform:rotate(45deg) translateY(-4px)}50%{transform:rotate(45deg) translateY(2px)}}@media(prefers-reduced-motion:reduce){.hero__scroll-chevron{animation:none}}.btn{display:inline-flex;align-items:center;justify-content:center;min-width:8.5rem;padding:.65rem 1.35rem;font-size:1.0625rem;font-weight:500;border-radius:980px;transition:transform .2s var(--ease-out),background .2s,color .2s}.btn:hover{transform:scale(1.02)}.btn:active{transform:scale(.98)}.btn--primary{background:var(--color-accent);color:#fff}.btn--primary:hover{background:#147ce5}.btn--ghost{border:1px solid rgba(255,255,255,.35);color:var(--color-accent)}.btn--ghost:hover{background:#ffffff14}.btn--dark{background:var(--color-text-dark);color:#fff}.btn--outline-dark{border:1px solid var(--color-text-dark);color:var(--color-text-dark)}.section-inner{width:min(100% - 2rem,var(--content-max));margin-inline:auto}.section-headline{margin:0 0 .5rem;font-size:clamp(2rem,4vw,3rem);font-weight:700;letter-spacing:-.03em;text-align:center}.section-subhead{margin:0 auto;max-width:32rem;text-align:center;color:var(--color-text-dark-muted);font-size:1.125rem}.section--dark{background:var(--color-bg);color:var(--color-text)}.section--light{background:var(--color-bg-light);color:var(--color-text-dark)}.featured{padding:var(--section-pad-y) 0}.featured__inner{display:grid;gap:3rem;align-items:center}@media(min-width:900px){.featured__inner{grid-template-columns:1fr 1fr;gap:4rem}}.featured__copy{text-align:center}@media(min-width:900px){.featured__copy{text-align:left}}.featured__label{margin:0 0 .5rem;font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted)}.featured__title{margin:0 0 .75rem;font-size:clamp(2.25rem,5vw,3.5rem);font-weight:700;letter-spacing:-.03em;line-height:1.08}.featured__tagline{margin:0 0 1rem;font-size:1.375rem;font-weight:600;color:var(--color-text-muted)}.featured__desc{margin:0 0 1.5rem;font-size:1.125rem;color:var(--color-text-muted);line-height:1.5}.featured__stack{margin:0 0 1.75rem;font-family:var(--font-mono);font-size:.8125rem;color:var(--color-text-muted)}.featured__actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}@media(min-width:900px){.featured__actions{justify-content:flex-start}}.featured__visual{position:relative;aspect-ratio:4 / 3;border-radius:1.25rem;overflow:hidden;background:linear-gradient(145deg,#1c1c1e,#2c2c2e);box-shadow:0 25px 50px -12px #00000080}.featured__visual-inner{position:absolute;top:8%;right:8%;bottom:8%;left:8%;border-radius:.75rem;background:#0006;border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;padding:1.25rem;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.featured__mock-bar{display:flex;gap:.35rem;margin-bottom:1rem}.featured__mock-dot{width:8px;height:8px;border-radius:50%;background:#fff3}.featured__mock-content{flex:1;display:flex;flex-direction:column;gap:.5rem}.featured__mock-line{height:8px;border-radius:4px;background:#ffffff1f}.featured__mock-line--short{width:60%}.featured__mock-line--accent{background:var(--product-accent, var(--color-accent));opacity:.6;width:80%}.products{background:var(--color-bg-light);color:var(--color-text-dark)}.products__intro{padding:var(--section-pad-y) 0 2rem}.products__intro code{font-family:var(--font-mono);font-size:.85em;padding:.15em .4em;background:var(--color-bg-light-alt);border-radius:4px}.product-block{min-height:min(90vh,900px);display:flex;align-items:center;padding:var(--section-pad-y) 0;opacity:0;transform:translateY(2rem);transition:opacity var(--duration) var(--ease-out),transform var(--duration) var(--ease-out)}.product-block.is-visible{opacity:1;transform:translateY(0)}.reveal{opacity:0;transform:translateY(1.5rem);transition:opacity var(--duration) var(--ease-out),transform var(--duration) var(--ease-out)}.reveal.is-visible{opacity:1;transform:translateY(0)}.product-block:nth-child(2n){background:var(--color-bg-light-alt)}.product-block__inner{display:grid;gap:2.5rem;align-items:center}@media(min-width:900px){.product-block__inner{grid-template-columns:1fr 1fr;gap:4rem}.product-block:nth-child(2n) .product-block__inner{direction:rtl}.product-block:nth-child(2n) .product-block__copy,.product-block:nth-child(2n) .product-block__visual-wrap{direction:ltr}}.product-block__copy{text-align:center}@media(min-width:900px){.product-block__copy{text-align:left}.product-block:nth-child(2n) .product-block__copy{text-align:right}}.product-block__name{margin:0 0 .25rem;font-size:clamp(2rem,4vw,2.75rem);font-weight:700;letter-spacing:-.03em}.product-block__name-en{margin:0 0 .75rem;font-size:1rem;font-weight:500;color:var(--color-text-dark-muted)}.product-block__tagline{margin:0 0 1rem;font-size:1.25rem;font-weight:600;color:var(--color-text-dark-muted)}.product-block__desc{margin:0 0 1rem;font-size:1.0625rem;line-height:1.5;color:var(--color-text-dark-muted)}.product-block__stack{margin:0 0 1.5rem;font-family:var(--font-mono);font-size:.8125rem;color:var(--color-text-dark-muted)}.product-block__link{font-size:1.0625rem;font-weight:500;color:var(--color-link);display:inline-flex;align-items:center;gap:.25rem}.product-block__link:after{content:"›";font-size:1.25rem;transition:transform .2s}.product-block__link:hover:after{transform:translate(3px)}.product-block__visual{position:relative;aspect-ratio:1;max-width:420px;margin-inline:auto;border-radius:2rem;overflow:hidden;box-shadow:0 20px 40px #0000001f}.product-block--dark .product-block__visual{box-shadow:0 20px 50px #00000059}.product-block__visual-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--product-gradient)}.product-block__icon{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:clamp(4rem,12vw,6rem);font-weight:700;letter-spacing:-.05em;color:#fffffff2;text-shadow:0 4px 24px rgba(0,0,0,.2)}.cta-band{padding:var(--section-pad-y) 0;text-align:center}.cta-band__title{margin:0 0 .75rem;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;letter-spacing:-.03em}.cta-band__text{margin:0 0 1.5rem;color:var(--color-text-dark-muted);font-size:1.125rem}.site-footer{background:var(--color-bg-elevated);color:var(--color-text-muted);padding:3rem 0 2rem;font-size:.75rem}.site-footer__inner{display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center}.site-footer__brand{margin:0;font-size:.875rem;font-weight:600;color:var(--color-text)}.site-footer__nav{display:flex;flex-wrap:wrap;gap:1.25rem;justify-content:center}.site-footer__nav a:hover{color:var(--color-text)}.site-footer__copy{margin:.5rem 0 0;opacity:.7}@supports (animation-timeline: view()){.product-block{view-timeline-name:--product;view-timeline-axis:block}}