:root{color-scheme:light;--page-bg:linear-gradient(180deg, #f4f9ff 0%, #eaf3ff 100%);--color-bg:transparent;--color-surface:#ffffffb8;--color-surface-solid:#fff;--color-heading:#16273f;--color-text:#2b3b52;--color-muted:#52637a;--color-border:#5b9bea2e;--color-accent:#2e6bc4;--color-accent-text:#fff;--color-sky:#5b9bea;--color-sky-soft:#5b9bea1f;--glow:#6fa8f052;--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Hiragino Sans", "PingFang SC", "PingFang TC", "Apple SD Gothic Neo", "Segoe UI", system-ui, sans-serif;--font-display:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Hiragino Sans", "PingFang SC", "PingFang TC", "Apple SD Gothic Neo", "Segoe UI", system-ui, sans-serif;--text-hero:clamp(2.125rem, 1.5rem + 2.6vw, 3.25rem);--text-h2:clamp(1.375rem, 1.2rem + .8vw, 1.75rem);--text-body:1.0625rem;--text-small:.875rem;--tracking-display:-.02em;--radius-card:16px;--radius-shot:22px;--radius-button:12px;--radius-icon:22.37%;--content-width:1080px;--prose-width:680px;--space-section:clamp(3.5rem, 2.5rem + 4vw, 6rem);--glass-blur:blur(18px) saturate(150%);--shadow-card:0 1px 2px #16273f0a, 0 10px 30px #3f7fd614;--shadow-shot:0 1px 2px #16273f0f, 0 18px 40px #3f7fd629;--shadow-icon:0 1px 2px #16273f14, 0 14px 36px #3f7fd647}@media (prefers-color-scheme:dark){:root{color-scheme:dark;--page-bg:linear-gradient(180deg, #0d1726 0%, #111f33 100%);--color-surface:#16263db8;--color-surface-solid:#16263d;--color-heading:#fff;--color-text:#dbe6f4;--color-muted:#9db0c8;--color-border:#6fa8f033;--color-accent:#8cbcf7;--color-accent-text:#0d1726;--color-sky:#6fa8f0;--color-sky-soft:#6fa8f024;--glow:#6fa8f033;--shadow-card:0 1px 2px #0003, 0 10px 30px #0000002e;--shadow-shot:0 0 0 1px #6fa8f029, 0 18px 40px #00000059;--shadow-icon:0 0 0 1px #a9d4ff1f, 0 14px 36px #6fa8f038}}html{background:var(--page-bg);background-color:#f4f9ff;min-height:100%}@media (prefers-color-scheme:dark){html{background-color:#0d1726;background-image:var(--page-bg)}}h1,h2,h3{color:var(--color-heading)}.glass{background:var(--color-surface);backdrop-filter:var(--glass-blur);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}.doc a:not(.button){color:var(--color-accent)}:root{--ease-out:cubic-bezier(.23, 1, .32, 1);--ease-in-out:cubic-bezier(.77, 0, .175, 1);--duration-press:.16s;--duration-ui:.2s;--duration-enter:.5s;--duration-reveal:.6s;--stagger:60ms}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.65}img{max-width:100%;height:auto;display:block}a{color:inherit}h1,h2,h3{font-family:var(--font-display);letter-spacing:var(--tracking-display);text-wrap:balance;margin:0;line-height:1.15}p{text-wrap:pretty}:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px;border-radius:4px}.container{width:min(100% - 2rem, var(--content-width));margin-inline:auto}.prose{width:min(100% - 2rem, var(--prose-width));margin-inline:auto}.doc{padding-block:2rem 0}.doc h1{font-size:var(--text-h2);margin-bottom:1rem}.doc h2{margin:2.5rem 0 .75rem;font-size:1.25rem}.doc .updated,.doc .intro{color:var(--color-muted)}.skip-link{background:var(--color-surface);border-radius:var(--radius-button);z-index:10;padding:.5rem .75rem;position:absolute;top:-3rem;left:1rem}.skip-link:focus{top:1rem}.button{border-radius:var(--radius-button);background:var(--color-accent);color:var(--color-accent-text);transition:transform var(--duration-press) var(--ease-out), opacity var(--duration-ui) ease;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-weight:600;text-decoration:none;display:inline-flex}.button:active,.badge:active{transform:scale(.97)}.badge{transition:transform var(--duration-press) var(--ease-out);display:inline-block}.link{color:var(--color-muted);transition:color var(--duration-ui) ease;text-decoration:none}@media (hover:hover) and (pointer:fine){.button:hover{opacity:.9}.link:hover{color:var(--color-text)}}.enter{animation:enter var(--duration-enter) var(--ease-out) both;animation-delay:calc(var(--i,0) * var(--stagger))}@keyframes enter{0%{opacity:0;transform:translateY(8px)}}[data-reveal=pending]{opacity:0;transform:translateY(12px)}[data-reveal]{transition:opacity var(--duration-reveal) var(--ease-out), transform var(--duration-reveal) var(--ease-out);transition-delay:calc(var(--i,0) * var(--stagger))}@view-transition{navigation:auto}::view-transition-old(root),::view-transition-new(root){animation-duration:var(--duration-ui);animation-timing-function:var(--ease-out)}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}@media (prefers-reduced-motion:reduce){@view-transition{navigation:none}.enter{animation-name:fade;animation-duration:var(--duration-ui)}[data-reveal=pending]{transform:none}[data-reveal]{transition:opacity var(--duration-ui) ease}.button:active,.badge:active{transform:none}}@keyframes fade{0%{opacity:0}}