:root{--bg:#fff;--bg-rgb:255,255,255;--fg:#0f172a;--muted:#0f172ab8;--muted2:#0f172a99;--border:#0f172a1a;--surface:#0f172a05;--surfaceHover:#0f172a0d;--selection:#0f172a29;--ease:cubic-bezier(.2,.8,.2,1);--t-fast:.16s;--t:.22s;--text-xs:12px;--text-sm:13px;--text-md:14px;--text-lg:18px;--text-xl:22px;--text-2xl:28px;--lh-tight:1.2;--lh-body:1.85;--space-1:6px;--space-2:10px;--space-3:14px;--space-4:18px;--space-5:24px;--space-6:34px;--r-none:0px;--r-card:18px;--r-card-sm:16px}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{background:var(--bg);color:var(--fg);letter-spacing:-.01em;scrollbar-width:thin;scrollbar-color:#0f172a1f transparent;margin:0;padding:0;font-family:Outfit,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#0f172a1f;border-radius:2px}::-webkit-scrollbar-thumb:hover{background:#0f172a40}.glass{background:rgba(var(--bg),.7);-webkit-backdrop-filter:blur(12px);border-right:1px solid var(--border)}.reveal{animation:reveal .8s var(--ease)forwards;opacity:0}@keyframes reveal{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}a{color:inherit}:focus-visible{outline-offset:2px;outline:2px solid #0f172a38}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}::selection{background:var(--selection)}body:after{content:"";z-index:9999;pointer-events:none;opacity:.035;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-repeat:repeat;background-size:180px 180px;position:fixed;inset:0}@keyframes brandBreathe{0%{letter-spacing:.25em;opacity:0}to{letter-spacing:.08em;opacity:1}}
.SplitShell-module__X0I1-a__shell{grid-template-columns:1fr;min-height:100dvh;display:grid}@media (min-width:980px){.SplitShell-module__X0I1-a__shell{grid-template-columns:360px 1fr}}.SplitShell-module__X0I1-a__sidebar{padding:var(--space-5)var(--space-4);border-bottom:1px solid var(--border)}@media (min-width:980px){.SplitShell-module__X0I1-a__sidebar{padding:var(--space-6)var(--space-5);border-bottom:0;border-right:1px solid var(--border);background:rgba(var(--bg-rgb,255,255,255),.82);-webkit-backdrop-filter:blur(16px)saturate(180%);height:100vh;transition:background var(--t)var(--ease);z-index:10;position:sticky;top:0;overflow-y:auto}}.SplitShell-module__X0I1-a__main{padding:var(--space-6)var(--space-4)72px}@media (min-width:980px){.SplitShell-module__X0I1-a__main{padding:34px 30px 84px}}.SplitShell-module__X0I1-a__homeSidebar{-webkit-backdrop-filter:blur(10px);background:#00000038;border-right:none}.SplitShell-module__X0I1-a__homeMain{padding:0}.SplitShell-module__X0I1-a__pageEnter{animation:SplitShell-module__X0I1-a__pageIn .35s var(--ease)both}.SplitShell-module__X0I1-a__pageExit{opacity:.4;transition:opacity .15s var(--ease),transform .15s var(--ease);transform:translateY(6px)}@keyframes SplitShell-module__X0I1-a__pageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.SiteIndexNav-module__qVwbAq__nav{--nav-fg:#0f172ae6;--nav-muted:#0f172a9e;--nav-accent:#0f172ae6;gap:var(--space-4);flex-direction:column;display:flex}.SiteIndexNav-module__qVwbAq__dark{--nav-fg:#ffffffeb;--nav-muted:#ffffffbf;--nav-accent:#fffffffa}.SiteIndexNav-module__qVwbAq__light{--nav-fg:#0f172a8c;--nav-muted:#0f172a8c;--nav-accent:#0f172ae6}.SiteIndexNav-module__qVwbAq__sectionTitle{font-size:var(--text-md);letter-spacing:.05em;text-transform:uppercase;color:var(--nav-muted);transition:color var(--t-fast)var(--ease);margin-bottom:2px;font-weight:600}.SiteIndexNav-module__qVwbAq__brand{padding-top:2px}.SiteIndexNav-module__qVwbAq__brandLink{gap:var(--space-1);flex-direction:column;text-decoration:none;display:inline-flex}.SiteIndexNav-module__qVwbAq__brandEn{font-size:var(--text-sm);letter-spacing:.08em;text-transform:uppercase;color:var(--nav-fg);animation:SiteIndexNav-module__qVwbAq__brandBreathe 1.2s var(--ease)both}.SiteIndexNav-module__qVwbAq__brandZh{font-size:var(--text-sm);letter-spacing:.14em;color:var(--nav-muted)}.SiteIndexNav-module__qVwbAq__section{gap:var(--space-2);flex-direction:column;display:flex}.SiteIndexNav-module__qVwbAq__group{gap:var(--space-1);flex-direction:column;display:flex}.SiteIndexNav-module__qVwbAq__item{font-size:var(--text-sm);color:var(--nav-muted);transition:color var(--t-fast)var(--ease),opacity var(--t-fast)var(--ease);opacity:.92;line-height:1.6;text-decoration:none}.SiteIndexNav-module__qVwbAq__item:hover{color:var(--nav-accent);opacity:1}.SiteIndexNav-module__qVwbAq__item:active{transition:transform var(--t-fast)var(--ease);transform:scale(.98)}