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1px 3px #1b1b2326, 0 1px 2px #1b1b2314;--md-sys-elevation-2:0 3px 8px #1b1b231c, 0 1px 3px #1b1b2314;--md-sys-motion-duration-short:.18s;--md-sys-motion-easing-standard:cubic-bezier(.2, 0, 0, 1);--md-sys-typescale-display-large:3.5625rem;--md-sys-typescale-headline-large:2rem;--md-sys-typescale-headline-medium:1.75rem;--md-sys-typescale-title-large:1.375rem;--md-sys-typescale-body-large:1rem;--md-sys-typescale-label-large:.875rem;--font-body:system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", 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2rem;padding-block:1.2rem;display:flex}.brand{min-height:44px;color:var(--text);letter-spacing:-.055em;align-items:center;gap:.7rem;font-size:1.35rem;font-weight:800;text-decoration:none;display:inline-flex}.brand-mark{flex:none;grid-template-columns:repeat(2,1fr);gap:3px;width:28px;height:28px;display:grid;transform:rotate(-8deg)}.brand-mark i{background:var(--brand-blue);border-radius:5px}.brand-mark i:nth-child(2){background:var(--yellow);border-radius:50%}.brand-mark i:nth-child(3){background:var(--coral);border-radius:50%}.brand-mark i:nth-child(4){background:var(--mint)}nav{flex-wrap:wrap;gap:.2rem .25rem;display:flex}nav a{min-height:44px;color:var(--muted);align-items:center;padding-inline:.8rem;font-size:.9rem;text-decoration:none;transition:color .18s;display:inline-flex;position:relative}nav a:after{content:none}.site-header nav{gap:.35rem}.site-header nav a{border-radius:var(--md-sys-shape-full);font-size:var(--md-sys-typescale-label-large);transition:background 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var(--border);color:var(--muted);margin-inline:0;padding-left:1rem}.skip-link{background:var(--background);z-index:100;padding:.5rem;position:absolute;top:0;left:1rem;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation:none!important}}@media (width<=520px){.site-header{align-items:flex-start}.site-header>nav{justify-content:space-between;gap:0;width:100%}.site-header>nav a{padding-inline:.5rem}.site-header>nav a:after{left:.5rem;right:.5rem}}