#hs_cos_wrapper_m360_chapter_nav{position:sticky;top:140px;z-index:900}.m360-chapter-nav{background:var(--m360-white);border-bottom:1px solid var(--m360-border);border-top:1px solid var(--m360-border);box-shadow:0 4px 16px rgba(12,32,43,.04);gap:44px;overflow-x:auto;overflow-y:hidden;padding:0 5%;scrollbar-width:thin;top:auto}.m360-chapter-nav,.m360-chapter-nav a{color:var(--m360-text);display:flex;position:relative}.m360-chapter-nav a{align-items:center;font-size:13px;font-weight:700;gap:9px;padding:20px 0;text-decoration:none;transition:color .2s ease,transform .2s ease;white-space:nowrap}.m360-chapter-nav a:hover{color:var(--m360-medium-blue);transform:translateY(-1px)}.m360-chapter-nav a:after{background:var(--m360-medium-blue);bottom:0;content:"";height:2px;left:0;position:absolute;right:0;transform:scaleX(0);transform-origin:left;transition:transform .2s ease}.m360-chapter-nav a:hover:after{transform:scaleX(1)}.m360-chapter-nav b{color:var(--m360-medium-blue);font-size:11px;font-weight:800}.m360-chapter-nav a:nth-child(2) b{color:var(--m360-teal)}.m360-chapter-nav a:nth-child(3) b{color:var(--m360-light-blue)}.m360-chapter-nav a:nth-child(4) b{color:var(--m360-medium-blue)}.m360-chapter-nav a:nth-child(5) b{color:var(--m360-teal)}.m360-chapter-nav a:nth-child(6) b{color:var(--m360-medium-blue)}.m360-chapter-nav a:focus-visible{outline:3px solid var(--m360-yellow);outline-offset:4px}@media (max-width:900px){#hs_cos_wrapper_m360_chapter_nav{top:120px}.m360-chapter-nav{gap:30px}}@media (max-width:650px){#hs_cos_wrapper_m360_chapter_nav{top:84px}.m360-chapter-nav{gap:26px;padding:0 5%}.m360-chapter-nav a{font-size:12px;padding:17px 0}}@media (prefers-reduced-motion:reduce){.m360-chapter-nav a,.m360-chapter-nav a:after{transition:none}}