:root{color-scheme:light;--color-canvas: oklch(98% .006 220);--color-surface: oklch(100% 0 0);--color-ink: oklch(24% .025 225);--color-muted: oklch(46% .025 225);--color-subtle: oklch(50% .018 225);--color-line: oklch(88% .012 220);--color-accent: oklch(43% .1 190);--color-accent-hover: oklch(37% .095 190);--color-accent-active: oklch(34% .09 190);--color-on-accent: oklch(99% .004 190);--color-focus: oklch(55% .14 190);--color-disabled: oklch(83% .012 220);--color-disabled-text: oklch(54% .018 220);--color-shot-border: oklch(83% .016 220);--shadow-shot: 0 1.25rem 3.5rem oklch(24% .025 225 / .11);--font-sans: "Avenir Next", Avenir, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-8: 3rem;--space-10: 4rem;--space-12: 6rem;--space-16: 8rem;--radius-small: .35rem;--radius-medium: .65rem;--duration-fast: .16s;--ease-out: cubic-bezier(.16, 1, .3, 1)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}html,body{overflow-x:clip}body{min-width:320px;margin:0;background:var(--color-canvas);color:var(--color-ink);font-family:var(--font-sans);font-size:1rem;line-height:1.65;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--color-focus);outline-offset:4px}::selection{background:var(--color-accent);color:var(--color-on-accent)}.shell{width:min(calc(100% - 2.5rem),68rem);margin-inline:auto}.skip-link{position:fixed;z-index:10;top:var(--space-4);left:var(--space-4);padding:var(--space-2) var(--space-4);border-radius:var(--radius-small);background:var(--color-ink);color:var(--color-surface);font-weight:650;transform:translateY(-180%);transition:transform var(--duration-fast) var(--ease-out);white-space:nowrap}.skip-link:focus{transform:translateY(0)}.site-header{display:flex;min-height:5rem;align-items:center;justify-content:space-between;gap:var(--space-5);border-bottom:1px solid var(--color-line)}.brand{display:inline-flex;align-items:center;gap:var(--space-3);font-size:1.25rem;font-weight:720;letter-spacing:-.03em;white-space:nowrap}.brand img{width:2.25rem;height:2.25rem}.site-nav,.hero-actions,.closing-actions{display:flex;align-items:center;gap:var(--space-5)}.nav-link,.text-link{color:var(--color-muted);font-weight:620;white-space:nowrap;transition:color var(--duration-fast) ease}.nav-link:hover,.text-link:hover,.site-footer a:hover{color:var(--color-accent)}.text-link{min-height:2.75rem;display:inline-flex;align-items:center;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.3em}.button{display:inline-flex;min-height:3rem;align-items:center;justify-content:center;padding:0 var(--space-5);border:1px solid var(--color-accent);border-radius:var(--radius-small);background:var(--color-accent);color:var(--color-on-accent);font-weight:700;white-space:nowrap;transition:background-color var(--duration-fast) ease,border-color var(--duration-fast) ease,transform var(--duration-fast) var(--ease-out)}.button:hover{border-color:var(--color-accent-hover);background:var(--color-accent-hover);transform:translateY(-1px)}.button:active{border-color:var(--color-accent-active);background:var(--color-accent-active);transform:translateY(1px)}.button[aria-disabled=true],.button:disabled{border-color:var(--color-disabled);background:var(--color-disabled);color:var(--color-disabled-text);cursor:not-allowed;pointer-events:none;transform:none}.button-small{min-height:2.75rem;padding-inline:var(--space-4)}.hero{padding-block:clamp(var(--space-10),8vw,var(--space-16)) var(--space-12)}.hero-copy{min-width:0;max-width:48rem;margin-bottom:clamp(var(--space-8),7vw,var(--space-12))}h1,h2{min-width:0;margin:0;font-weight:650;line-height:1.08;letter-spacing:-.04em;overflow-wrap:anywhere;text-wrap:balance}h1{max-width:11ch;margin-bottom:var(--space-5);font-size:clamp(2.75rem,7vw,5.75rem)}h2{font-size:clamp(2rem,4vw,3.25rem)}.hero-lead{max-width:40rem;margin:0 0 var(--space-6);color:var(--color-muted);font-size:clamp(1rem,1.6vw,1.2rem);text-wrap:pretty}.platform-note,.source-note{color:var(--color-subtle);font-size:.8rem}.platform-note{margin:var(--space-3) 0 0}.product-figure{margin:0}.product-shots{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(var(--space-3),2.5vw,var(--space-6));align-items:start}.product-shots picture{display:block;min-width:0}.product-shot{width:100%;height:auto;border:1px solid var(--color-shot-border);border-radius:var(--radius-medium);background:var(--color-surface);box-shadow:var(--shadow-shot)}.product-shot-dark{margin-top:clamp(var(--space-6),6vw,var(--space-12))}.source-note{margin:var(--space-4) 0 0}.feature-section,.rotation-section{display:grid;grid-template-columns:minmax(12rem,.7fr) minmax(0,1.3fr);gap:clamp(var(--space-8),8vw,var(--space-16));padding-block:clamp(var(--space-10),9vw,var(--space-16));border-top:1px solid var(--color-line)}.section-heading{min-width:0}.section-heading p{max-width:26rem;margin:var(--space-4) 0 0;color:var(--color-muted)}.feature-list,.setting-list{min-width:0;margin:0;border-top:1px solid var(--color-line)}.feature-row,.setting-row{display:grid;grid-template-columns:minmax(9rem,.75fr) minmax(0,1.25fr);gap:var(--space-6);padding-block:var(--space-5);border-bottom:1px solid var(--color-line)}.feature-row dt,.setting-row dd{font-weight:680}.feature-row dd,.setting-row dd{margin:0}.feature-row dd,.setting-row dt,.setting-row small{color:var(--color-muted)}.setting-row small{display:block;margin-top:var(--space-1);font-size:.875rem;font-weight:400}.closing{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-8);align-items:end;padding-block:clamp(var(--space-10),9vw,var(--space-16));border-top:1px solid var(--color-line)}.closing p{max-width:40rem;margin:var(--space-4) 0 0;color:var(--color-muted)}.closing-actions{justify-content:flex-end}.site-footer{border-top:1px solid var(--color-line);color:var(--color-subtle);font-size:.82rem}.footer-inner{display:flex;min-height:5rem;align-items:center;justify-content:space-between;gap:var(--space-5)}.footer-inner p{margin:0}.site-footer a{color:var(--color-muted);font-weight:620;white-space:nowrap;transition:color var(--duration-fast) ease}@media (max-width: 48rem){.feature-section,.rotation-section{grid-template-columns:minmax(0,1fr);gap:var(--space-8)}.closing{grid-template-columns:minmax(0,1fr);align-items:start}.closing-actions{justify-content:flex-start}}@media (max-width: 37.5rem){.shell{width:min(calc(100% - 2rem),68rem)}.site-header{min-height:4.5rem}.nav-link{display:none}.hero{padding-top:var(--space-10)}h1{font-size:clamp(2.55rem,13vw,4rem)}.product-shots{grid-template-columns:minmax(0,1fr)}.product-shot-dark{display:none}.feature-row,.setting-row{grid-template-columns:minmax(0,1fr);gap:var(--space-2)}.footer-inner{min-height:auto;align-items:flex-start;padding-block:var(--space-5)}}@media (max-width: 23.5rem){.site-nav{gap:var(--space-3)}.button-small{padding-inline:var(--space-3)}.hero-actions,.closing-actions{align-items:flex-start;flex-direction:column;gap:var(--space-3)}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}