:root{--od2-toc-accent:#6c63ff;--od2-toc-accent-light:#a89dff;--od2-toc-accent-glow:rgba(108,99,255,.18);--od2-toc-bg:#ffffff;--od2-toc-bg-glass:rgba(255,255,255,.82);--od2-toc-border:rgba(108,99,255,.18);--od2-toc-text:#1a1a2e;--od2-toc-muted:#6b7280;--od2-toc-link:#374151;--od2-toc-link-active:#6c63ff;--od2-toc-shadow:0 8px 32px rgba(108,99,255,.12);--od2-toc-radius:5px;--od2-toc-transition:.25s cubic-bezier(.4,0,.2,1);--od2-toc-font:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;--od2-progress-h:3px}#od2-reading-progress{position:fixed;top:0;left:0;width:0%;height:var(--od2-progress-h);background:linear-gradient(90deg,var(--od2-toc-accent),var(--od2-toc-accent-light));z-index:99999;border-radius:0 2px 2px 0;transition:width .1s linear;box-shadow:0 0 8px var(--od2-toc-accent-glow)}.od2-toc-sidebar{position:sticky;top:90px;background:var(--od2-toc-bg-glass);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border:1px solid var(--od2-toc-border);box-shadow:var(--od2-toc-shadow);padding:0;overflow:hidden;font-family:var(--od2-toc-font);min-width:220px;max-width:280px;transition:box-shadow var(--od2-toc-transition)}.od2-toc-sidebar:hover{box-shadow:0 12px 48px rgb(108 99 255 / .2)}.od2-toc-sidebar .od2-toc-header{display:flex;align-items:center;gap:10px;padding:16px 18px 14px;background:linear-gradient(135deg,var(--od2-toc-accent) 0%,#8b5cf6 100%);color:#fff;cursor:pointer;user-select:none;transition:opacity var(--od2-toc-transition)}.od2-toc-sidebar .od2-toc-header:hover{opacity:.9}.od2-toc-sidebar .od2-toc-header .od2-toc-icon{display:flex;align-items:center;flex-shrink:0;opacity:.9}.od2-toc-sidebar .od2-toc-title{font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;flex:1}.od2-toc-sidebar .od2-toc-toggle-icon{flex-shrink:0;transition:transform var(--od2-toc-transition)}.od2-toc-sidebar.od2-collapsed .od2-toc-toggle-icon{transform:rotate(-90deg)}.od2-toc-sidebar .od2-toc-progress-ring{flex-shrink:0}.od2-toc-sidebar .od2-toc-body{overflow:hidden;max-height:600px;transition:max-height .35s cubic-bezier(.4,0,.2,1),opacity .3s;opacity:1}.od2-toc-sidebar.od2-collapsed .od2-toc-body{max-height:0;opacity:0}.od2-toc-sidebar .od2-toc-list{list-style:none;margin:0;padding:10px 0}.od2-toc-sidebar .od2-toc-item{margin:0;padding:0;position:relative}.od2-toc-sidebar .od2-toc-link{display:flex;align-items:center;gap:8px;padding:7px 18px 7px 16px;font-size:13px;color:var(--od2-toc-link);text-decoration:none;border-left:3px solid #fff0;transition:color var(--od2-toc-transition),border-color var(--od2-toc-transition),background var(--od2-toc-transition),padding-left var(--od2-toc-transition);line-height:1.4;font-family:var(--od2-toc-font)}.od2-toc-sidebar .od2-toc-link:hover{color:var(--od2-toc-accent);background:var(--od2-toc-accent-glow);border-left-color:var(--od2-toc-accent-light)}.od2-toc-sidebar .od2-toc-link.od2-active{color:var(--od2-toc-link-active);border-left-color:var(--od2-toc-accent);background:var(--od2-toc-accent-glow);font-weight:600}.od2-toc-sidebar .od2-toc-item--h3 .od2-toc-link{padding-left:28px;font-size:12px;color:var(--od2-toc-muted)}.od2-toc-sidebar .od2-toc-item--h3 .od2-toc-link::before{content:'';display:inline-block;width:4px;height:4px;border-radius:50%;background:currentColor;flex-shrink:0;opacity:.6}.od2-toc-sidebar .od2-toc-item--h3 .od2-toc-link.od2-active{color:var(--od2-toc-accent-light)}.od2-toc-sidebar .od2-toc-item--h2 .od2-toc-link::before{content:attr(data-num);display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;border-radius:50%;background:var(--od2-toc-accent-glow);color:var(--od2-toc-accent);font-size:10px;font-weight:700;flex-shrink:0;border:1px solid var(--od2-toc-border);transition:background var(--od2-toc-transition),color var(--od2-toc-transition)}.od2-toc-sidebar .od2-toc-item--h2 .od2-toc-link.od2-active::before{background:var(--od2-toc-accent);color:#fff;border-color:var(--od2-toc-accent)}.od2-toc-sidebar .od2-toc-footer{padding:10px 18px;border-top:1px solid var(--od2-toc-border);font-size:11px;color:var(--od2-toc-muted);display:flex;align-items:center;gap:6px}.od2-toc-inline{margin:28px 0 32px;background:var(--od2-toc-bg);border:1px solid var(--od2-toc-border);border-radius:var(--od2-toc-radius);box-shadow:var(--od2-toc-shadow);overflow:hidden;font-family:var(--od2-toc-font);animation:od2FadeSlideUp .45s cubic-bezier(.4,0,.2,1) both}@keyframes od2FadeSlideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.od2-toc-inline .od2-toc-header{display:flex;align-items:center;gap:12px;padding:16px 20px;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#fff;cursor:pointer;border-bottom:2px solid var(--od2-toc-accent)}.od2-toc-inline .od2-toc-title{font-size:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;flex:1}.od2-toc-inline .od2-toc-badge{background:var(--od2-toc-accent);color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px}.od2-toc-inline .od2-toc-toggle-icon{transition:transform var(--od2-toc-transition)}.od2-toc-inline.od2-collapsed .od2-toc-toggle-icon{transform:rotate(-90deg)}.od2-toc-inline .od2-toc-body{overflow:hidden;max-height:800px;transition:max-height .4s cubic-bezier(.4,0,.2,1),opacity .35s;opacity:1}.od2-toc-inline.od2-collapsed .od2-toc-body{max-height:0;opacity:0}.od2-toc-inline .od2-toc-columns{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:18px 20px 20px}@media (max-width:600px){.od2-toc-inline .od2-toc-columns{grid-template-columns:1fr}}.od2-toc-inline .od2-toc-list{list-style:none;margin:0;padding:0;display:contents}.od2-toc-inline .od2-toc-item{break-inside:avoid}.od2-toc-inline .od2-toc-link{display:flex;align-items:flex-start;gap:10px;padding:6px 8px;font-size:13.5px;color:var(--od2-toc-link);text-decoration:none;border-radius:8px;transition:background var(--od2-toc-transition),color var(--od2-toc-transition);line-height:1.45}.od2-toc-inline .od2-toc-link:hover{background:var(--od2-toc-accent-glow);color:var(--od2-toc-accent)}.od2-toc-inline .od2-toc-num{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--od2-toc-accent),#8b5cf6);color:#fff;font-size:11px;font-weight:700;flex-shrink:0;margin-top:1px}.od2-toc-inline .od2-toc-item--h3 .od2-toc-link{padding-left:24px;font-size:12.5px;color:var(--od2-toc-muted)}.od2-toc-inline .od2-toc-item--h3 .od2-toc-num{background:var(--od2-toc-accent-glow);color:var(--od2-toc-accent);font-size:10px}.od2-toc-pill-toggle{position:fixed;bottom:28px;right:28px;z-index:9998;display:flex;align-items:center;gap:8px;padding:12px 20px;background:linear-gradient(135deg,var(--od2-toc-accent),#8b5cf6);color:#fff;border:none;border-radius:50px;font-family:var(--od2-toc-font);font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 6px 24px rgb(108 99 255 / .4);transition:transform var(--od2-toc-transition),box-shadow var(--od2-toc-transition);letter-spacing:.02em}.od2-toc-pill-toggle:hover{transform:translateY(-2px);box-shadow:0 10px 36px rgb(108 99 255 / .5)}.od2-toc-pill-toggle:active{transform:translateY(0)}.od2-toc-pill-drawer{position:fixed;bottom:88px;right:28px;z-index:9997;width:300px;max-width:calc(100vw - 48px);background:var(--od2-toc-bg-glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--od2-toc-border);border-radius:var(--od2-toc-radius);box-shadow:0 20px 60px rgb(0 0 0 / .18);overflow:hidden;transform-origin:bottom right;transform:scale(.92) translateY(8px);opacity:0;pointer-events:none;transition:transform var(--od2-toc-transition),opacity var(--od2-toc-transition);font-family:var(--od2-toc-font)}.od2-toc-pill-drawer.od2-open{transform:scale(1) translateY(0);opacity:1;pointer-events:auto}.od2-toc-pill-drawer .od2-toc-drawer-header{padding:14px 18px;background:linear-gradient(135deg,var(--od2-toc-accent),#8b5cf6);color:#fff;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.od2-toc-pill-drawer .od2-toc-list{list-style:none;margin:0;padding:10px 0;max-height:55vh;overflow-y:auto}.od2-toc-pill-drawer .od2-toc-list::-webkit-scrollbar{width:4px}.od2-toc-pill-drawer .od2-toc-list::-webkit-scrollbar-track{background:#fff0}.od2-toc-pill-drawer .od2-toc-list::-webkit-scrollbar-thumb{background:var(--od2-toc-border);border-radius:99px}.od2-toc-pill-drawer .od2-toc-item .od2-toc-link{display:flex;align-items:center;gap:10px;padding:8px 18px;font-size:13px;color:var(--od2-toc-link);text-decoration:none;transition:background var(--od2-toc-transition),color var(--od2-toc-transition)}.od2-toc-pill-drawer .od2-toc-item .od2-toc-link:hover,.od2-toc-pill-drawer .od2-toc-item .od2-toc-link.od2-active{background:var(--od2-toc-accent-glow);color:var(--od2-toc-accent)}.od2-toc-pill-drawer .od2-toc-item--h3 .od2-toc-link{padding-left:32px;font-size:12px;color:var(--od2-toc-muted)}.od2-progress-ring{transform:rotate(-90deg)}.od2-progress-ring__circle{stroke-dasharray:56.55;stroke-dashoffset:56.55;transition:stroke-dashoffset .3s linear;stroke:rgb(255 255 255 / .7);stroke-linecap:round}@media (prefers-color-scheme:dark){:root{--od2-toc-bg:#1a1a2e;--od2-toc-bg-glass:rgba(26,26,46,.88);--od2-toc-border:rgba(108,99,255,.25);--od2-toc-text:#e5e7eb;--od2-toc-link:#d1d5db;--od2-toc-muted:#9ca3af}}@media (max-width:1024px){.od2-toc-sidebar{display:none}}.od2-toc-link:focus-visible{outline:2px solid var(--od2-toc-accent);outline-offset:2px}.od2-toc-sidebar .od2-toc-list::before{content:'';position:absolute;left:18px;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,transparent,var(--od2-toc-border),transparent);pointer-events:none}.widget .od2-toc-sidebar{position:relative;top:auto;max-width:100%;min-width:0}