.dm-island-toc{--dm-island-z:120;--dm-toc-text-width:auto;position:fixed;inset:0;pointer-events:none;z-index:var(--dm-island-z)}.dm-island-toc__backdrop{position:fixed;inset:0;background:color-mix(in srgb,var(--dm-bg) 55%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;transition:opacity 280ms;pointer-events:auto}.dm-island-toc.is-open .dm-island-toc__backdrop{opacity:1}.dm-island-toc__dock{pointer-events:none}.dm-island-toc__panel{position:fixed;left:50%;top:50%;transform:translate(-50%,-48%) scale(.96);width:min(400px,calc(100vw - 32px));max-height:min(70vh,520px);display:flex;flex-direction:column;padding:22px 22px 18px;border-radius:32px;border:1px solid color-mix(in srgb,var(--dm-line) 80%,transparent);background:var(--dm-header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 24px 64px color-mix(in srgb,var(--dm-text) 14%,transparent),0 2px 8px color-mix(in srgb,var(--dm-text) 6%,transparent);opacity:0;visibility:hidden;transition:opacity 280ms,transform 320ms cubic-bezier(.22, 1, .36, 1),visibility 0s linear 320ms;pointer-events:auto;overflow:hidden}.dm-island-toc.is-open .dm-island-toc__panel{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1);transition:opacity 280ms,transform 320ms cubic-bezier(.22, 1, .36, 1),visibility}.dm-island-toc__panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-shrink:0}.dm-island-toc__panel-label{margin:0;font-family:var(--dm-font-display);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--dm-text-3)}.dm-island-toc__close{width:36px;height:36px;border:0;border-radius:999px;background:color-mix(in srgb,var(--dm-surface-2) 80%,transparent);color:var(--dm-text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background 180ms,color 180ms}.dm-island-toc__close:hover{background:var(--dm-surface-2);color:var(--dm-text)}.dm-island-toc__close svg{width:16px;height:16px;stroke-width:2}.dm-island-toc__list{list-style:none;margin:0;padding:4px 4px 8px;overflow-y:auto;flex:1 1 auto;text-align:left;scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--dm-text) 28%,transparent) transparent}.dm-island-toc__list::-webkit-scrollbar{width:4px}.dm-island-toc__list::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--dm-text) 28%,transparent);border-radius:999px}.dm-island-toc__item{margin:0;text-align:left}.dm-island-toc__item a{display:block;padding:8px 10px;font-family:var(--dm-font-body);font-size:15px;line-height:1.45;color:var(--dm-text-2);text-decoration:none;text-align:left;border-radius:8px;border-left:2px solid transparent;transition:color 180ms,background 180ms,border-color 180ms;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dm-island-toc__item--level-2 a{font-family:var(--dm-font-display);font-size:15px;font-weight:600;color:var(--dm-text);padding-left:10px}.dm-island-toc__item--level-3 a{font-size:14px;padding-left:24px}.dm-island-toc__item--level-4 a{font-size:14px;padding-left:38px;color:var(--dm-text-3)}.dm-island-toc__item--level-5 a{font-size:13px;padding-left:52px;color:var(--dm-text-3)}.dm-island-toc__item--level-6 a{font-size:13px;padding-left:66px;color:var(--dm-text-3)}.dm-island-toc__item a:hover{color:var(--dm-accent);background:color-mix(in srgb,var(--dm-accent) 8%,transparent)}.dm-island-toc__item a.is-active{color:var(--dm-accent);font-weight:600;border-left-color:var(--dm-accent);background:color-mix(in srgb,var(--dm-accent) 6%,transparent)}.dm-island-toc__item--level-2 a.is-active{color:var(--dm-text)}.dm-island-toc__trigger{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom,0px));transform:translateX(-50%);display:inline-flex;align-items:center;gap:12px;box-sizing:border-box;width:fit-content!important;max-width:calc(100vw - 24px);min-width:0;padding:10px 14px 10px 10px;border:1px solid color-mix(in srgb,var(--dm-line) 85%,transparent);border-radius:999px;background:var(--dm-header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 12px 40px color-mix(in srgb,var(--dm-text) 12%,transparent),0 1px 0 color-mix(in srgb,var(--dm-bg) 40%,transparent) inset;color:var(--dm-text);cursor:pointer;pointer-events:auto;transition:transform 280ms cubic-bezier(.22, 1, .36, 1),box-shadow 280ms,opacity 280ms;z-index:calc(var(--dm-island-z) + 1)}.dm-island-toc__trigger:hover{box-shadow:0 16px 48px color-mix(in srgb,var(--dm-text) 16%,transparent),0 1px 0 color-mix(in srgb,var(--dm-bg) 40%,transparent) inset}.dm-island-toc__trigger:focus-visible{outline:2px solid var(--dm-accent);outline-offset:3px}.dm-island-toc.is-open .dm-island-toc__trigger{opacity:0;pointer-events:none;transform:translateX(-50%) translateY(12px)}.dm-island-toc__ring{position:relative;flex:0 0 44px;width:44px;height:44px}.dm-island-toc__ring-svg{position:absolute;inset:0;width:44px;height:44px;transform:rotate(-90deg);display:block}.dm-island-toc__pct{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:1;font-family:var(--dm-font-body);font-size:10px;font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--dm-text);font-variant-numeric:tabular-nums;pointer-events:none}.dm-island-toc__ring-progress,.dm-island-toc__ring-track{fill:none;stroke-width:3}.dm-island-toc__ring-track{stroke:color-mix(in srgb,var(--dm-line) 90%,transparent)}.dm-island-toc__ring-progress{stroke:var(--dm-accent);stroke-linecap:round;stroke-dasharray:113.1;stroke-dashoffset:113.1;transition:stroke-dashoffset 120ms linear}.dm-island-toc__trigger-text{flex:0 0 auto!important;flex-grow:0!important;width:auto;min-width:0;max-width:none;min-height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.dm-island-toc__current{font-family:var(--dm-font-display);font-size:14px;font-weight:600;line-height:1.35;color:var(--dm-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:auto;max-width:100%;text-align:center;display:block}.dm-island-toc__trigger-icon{flex:0 0 auto;color:var(--dm-text-3);display:inline-flex}.dm-island-toc__trigger-icon svg{width:18px;height:18px;stroke-width:2;transition:transform 280ms}.dm-island-toc.is-open .dm-island-toc__trigger-icon svg{transform:rotate(180deg)}@media (max-width:640px){.dm-island-toc__backdrop{display:none!important}.dm-island-toc__dock{position:fixed;left:0;right:0;bottom:0;z-index:calc(var(--dm-island-z) + 1);display:flex;flex-direction:column;justify-content:flex-end;pointer-events:auto;padding-bottom:env(safe-area-inset-bottom,0)}.dm-island-toc__panel{position:relative;left:auto;top:auto;transform:none;width:100%;max-width:100%;max-height:0;opacity:1;visibility:visible;margin:0;padding:0 16px;border:0;border-top:1px solid transparent;border-radius:16px 16px 0 0;box-shadow:none;overflow:hidden;order:1;transition:max-height 320ms cubic-bezier(.22, 1, .36, 1),padding 320ms cubic-bezier(.22, 1, .36, 1),border-color .2s}.dm-island-toc__panel[aria-hidden=true]{pointer-events:none}.dm-island-toc.is-open .dm-island-toc__panel{max-height:min(52vh,400px);padding:14px 16px 8px;border-top-color:var(--dm-line);box-shadow:0 -12px 40px color-mix(in srgb,var(--dm-text) 10%,transparent);background:var(--dm-header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transform:none;left:auto;top:auto}.dm-island-toc{inset:auto;left:0;right:0;bottom:0;top:auto;height:auto}.dm-island-toc__panel-head{margin-bottom:10px}.dm-island-toc__close{display:none}.dm-island-toc__list{max-height:min(44vh,340px);padding-bottom:4px}.dm-island-toc__trigger{position:relative;left:auto;bottom:auto;transform:none;order:2;width:100%!important;max-width:100%;border-radius:0;border-left:0;border-right:0;border-bottom:0;padding:10px 14px;gap:10px;opacity:1!important;pointer-events:auto!important}.dm-island-toc.is-open .dm-island-toc__trigger{transform:none;border-top:1px solid var(--dm-line)}.dm-island-toc__trigger-text{flex:1 1 auto!important;width:auto!important;min-width:0;max-width:none;align-items:flex-start;text-align:left}.dm-island-toc__current{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;text-align:left;font-size:13px}.dm-island-toc__ring{flex:0 0 40px;width:40px;height:40px}.dm-island-toc__ring-svg{width:40px;height:40px}}body.dm-island-toc-open{overflow:hidden}body.dm-island-toc-mobile:has(.dm-island-toc) .dm-page,body.dm-island-toc-mobile:has(.dm-island-toc) .dm-single{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}body.dm-island-toc-mobile.dm-island-toc-open:has(.dm-island-toc) .dm-page,body.dm-island-toc-mobile.dm-island-toc-open:has(.dm-island-toc) .dm-single{padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}@media (prefers-reduced-motion:reduce){.dm-island-toc__backdrop,.dm-island-toc__panel,.dm-island-toc__ring-progress,.dm-island-toc__trigger,.dm-island-toc__trigger-icon svg{transition:none}}