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1;display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:600;color:var(--sub);padding:13px;border-radius:var(--r-sm);cursor:pointer;border:none;background:transparent;font-family:inherit;transition:color var(--expand),background var(--expand),box-shadow var(--expand)}.os-tab.active{background:var(--card);color:var(--ink);box-shadow:var(--card-shadow)}.os-tab svg{width:18px;height:18px}.os-pane{padding:30px}.big-cmd{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--field);border-radius:var(--r-md);padding:18px 20px;margin-bottom:15px}.big-cmd code{font-family:var(--mono);font-size:14.5px;overflow:auto;white-space:nowrap;color:var(--ink)}.big-cmd code .pr{color:var(--cinnabar);margin-right:9px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.os-note{font-size:13px;color:var(--sub)}.req{max-width:760px;margin:44px auto 0;display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.req .c{background:var(--card);border-radius:var(--r-md);padding:22px;box-shadow:var(--card-shadow)}.req .c h3{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px;margin-bottom:11px}.req .c h3 svg{width:18px;height:18px;color:var(--ink)}.req .c p{margin:0;font-size:13.5px;line-height:1.62;color:var(--note)}.req .c code{font-family:var(--mono);font-size:12.5px;background:var(--fill);padding:1px 6px;border-radius:5px;color:var(--ink)}.pair{max-width:760px;margin:26px auto 0;background:var(--card);border-radius:var(--r-md);padding:24px;box-shadow:var(--card-shadow);display:flex;gap:20px;align-items:center;flex-wrap:wrap}.pair .code{font-family:var(--mono);font-size:28px;font-weight:700;letter-spacing:.18em;color:var(--ink);background:var(--field);border-radius:var(--r-sm);padding:12px 20px}.pair p{margin:0;font-size:14px;line-height:1.6;color:var(--note)}.device .device-wrap{display:grid;grid-template-columns:1fr .8fr;grid-gap:56px;gap:56px;align-items:center}.device-copy h2{font-size:clamp(23px,3vw,33px);letter-spacing:-.03em;margin:16px 0 0;line-height:1.24}.device-copy p{margin:18px 0 0;font-size:16px;line-height:1.7;color:var(--note);max-width:44ch}.device-list{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:12px}.device-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--note)}.device-list li svg{color:var(--green);flex:none}.device-stage{display:flex;justify-content:center;position:relative}.device-stage:before{content:"";position:absolute;top:50%;left:50%;width:360px;height:360px;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--cinnabar) 9%,transparent),transparent 60%);filter:blur(24px);z-index:-1}@media (max-width:940px){.hero{min-height:auto;padding:30px 0 220px}.hero-copy{max-width:none}.hero-meta{display:none}.hero-veil{background:none}.scroll-cue{display:none}.hero-copy h1{font-size:clamp(34px,8.5vw,50px)}.hero-sub{max-width:none}.device .device-wrap{grid-template-columns:1fr;gap:36px}.device-stage{order:-1}.arch-cards,.feat-grid,.foot-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr;gap:34px}.steps:before{display:none}.docs-layout{grid-template-columns:1fr;padding-top:20px}.docs-side{position:static;flex-direction:row;flex-wrap:wrap;margin-bottom:16px;top:0}}@media (max-width:680px){.nav-links{display:none}.menu-btn{display:grid}.brand{white-space:nowrap;gap:8px}.brand .en,.nav-right .btn-ink{display:none}.wrap{padding:0 20px}.arch-cards,.feat-grid,.foot-grid,.req{grid-template-columns:1fr}.section{padding:70px 0}.strip .wrap{gap:18px 30px}.hero-meta{gap:24px}.nav-drawer{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:2px;background:var(--card);box-shadow:var(--float-shadow);padding:12px 16px;border-radius:0 0 var(--r-lg) var(--r-lg)}.nav-toggle:checked~.nav-drawer{display:flex}.nav-drawer a{padding:13px;font-size:15px;font-weight:500;color:var(--ink);border-radius:10px}.nav-drawer a:active{background:var(--fill)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.reveal{opacity:1!important;transform:none!important}}:root{--bg:var(--canvas);--surface:var(--card);--surface-low:var(--card-low);--group-bg:var(--fill);--surface-high:var(--card-high);--surface-highest:var(--card-highest);--border:var(--hair-card);--border-subtle:var(--hair-card);--text-primary:var(--ink);--text-secondary:var(--note);--text-tertiary:var(--sub);--inverse-surface:var(--ink);--on-inverse:var(--on-ink);--brand:var(--ink);--on-brand:var(--on-ink);--brand-50:var(--fill);--brand-100:var(--hair-canvas);--brand-200:var(--hair-canvas);--brand-600:var(--ink);--brand-700:var(--ink);--brand-800:var(--ink);--brand-900:var(--ink);--success:var(--green);--warning:var(--sub);--error:var(--danger);--info:var(--ink);--radius-sm:var(--r-sm);--radius-md:var(--r-md);--radius-lg:var(--r-lg);--radius-pill:var(--r-pill);--radius-full:9999px;--font-sans:var(--sans);--font-mono:var(--mono);--shadow-sm:var(--card-shadow);--shadow-md:var(--card-shadow-hi);--shadow-lg:var(--float-shadow);--shadow-xl:var(--pop-shadow);--dur-fast:var(--press);--dur-base:var(--expand);--dur-slow:var(--enter);--ease-standard:var(--ease-out);--ease-emph:var(--ease-out);--maxw-site:var(--maxw)}.eyebrow .dot{position:relative;width:7px;height:7px;border-radius:50%;background:var(--green);flex:none}.eyebrow .dot:after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--green);opacity:.5;animation:ripple 2.6s var(--ease-out) infinite}.dl-hero{padding:120px 0 36px;text-align:center;position:relative;overflow:hidden}.dl-hero .eyebrow{margin-bottom:16px}.dl-hero h1{font-size:clamp(32px,4.4vw,50px);letter-spacing:-.035em}.dl-hero p{margin:16px auto 0;font-size:17px;line-height:1.65;color:var(--note);max-width:52ch}.arch-card{background:var(--card);border-radius:var(--r-lg);padding:22px;box-shadow:var(--card-shadow);transition:transform var(--expand) var(--ease-out),box-shadow var(--expand)}.arch-card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hi)}.arch-card .ic{width:44px;height:44px;border-radius:12px;background:var(--fill);color:var(--ink);display:grid;place-items:center;margin-bottom:14px}.arch-card .ic svg{width:22px;height:22px}.arch-card h3{font-size:16px;font-weight:600;margin-bottom:6px}.arch-card p{margin:0;font-size:13.5px;line-height:1.6;color:var(--note)}.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:500;color:var(--note);background:var(--card);border-radius:var(--r-pill);padding:6px 13px;box-shadow:var(--card-shadow)}.chip .d{width:6px;height:6px;border-radius:50%;background:var(--sub);flex:none}