.article-toc{display:none}@media(min-width:1536px){.article-toc{display:flex;flex-direction:column;gap:var(--space-1);left:calc(50% + var(--article-toc-content-width, 1040px)/2 + var(--space-4));max-height:calc(100dvh - var(--space-10)*2);overflow-y:auto;position:fixed;scrollbar-width:none;text-align:left;top:50%;transform:translateY(-50%);width:12rem;z-index:40}.article-toc::-webkit-scrollbar{display:none}}.article-link{background:transparent;border:0;color:var(--color-fg-muted);cursor:pointer;display:block;font-family:var(--font-saans);font-size:var(--font-size-sm);letter-spacing:var(--letter-spacing-wide);line-height:var(--line-height-tight);opacity:.5;padding:var(--space-1) 0;text-align:inherit;text-decoration:none;transition:color var(--motion-duration-base) var(--motion-ease-standard),opacity var(--motion-duration-base) var(--motion-ease-standard);width:100%}.article-link--sub{font-size:var(--font-size-xs);opacity:.4}.article-link--up{margin-top:var(--space-10);opacity:0;pointer-events:none;transition:color var(--motion-duration-base) var(--motion-ease-standard),opacity var(--motion-duration-base) var(--motion-ease-standard),visibility 0s linear var(--motion-duration-base);visibility:hidden}.article-link--up-visible{opacity:.5;pointer-events:auto;transition:color var(--motion-duration-base) var(--motion-ease-standard),opacity var(--motion-duration-base) var(--motion-ease-standard),visibility 0s;visibility:visible}.article-link--active,.article-link:focus-visible,.article-link:hover{color:var(--color-fg);opacity:1;outline:none}.article-uptop{align-items:center;backdrop-filter:blur(var(--blur-lg));-webkit-backdrop-filter:blur(var(--blur-lg));background:var(--color-glass-bg-strong);border:1px solid var(--color-border);border-radius:var(--radius-pill);bottom:calc(var(--space-4) + env(safe-area-inset-bottom));box-shadow:var(--shadow-card-hover);color:var(--color-fg);cursor:pointer;display:flex;height:var(--space-10);justify-content:center;opacity:0;padding:0;pointer-events:none;position:fixed;right:var(--space-4);transform:translateY(var(--space-3));transition:opacity var(--motion-duration-base) var(--motion-ease-standard),transform var(--motion-duration-base) var(--motion-ease-standard);width:var(--space-10);z-index:40}.article-uptop--visible{opacity:1;pointer-events:auto;transform:none}.article-uptop:active{transform:scale(.94)}@media(min-width:1536px){.article-uptop{display:none}}@media(prefers-reduced-motion:reduce){.article-link,.article-uptop{transition:none}.article-uptop:active{transform:none}}