.topic-navigation{box-sizing:border-box;width:100%;margin:0 0 24px;padding:20px;border:1px solid #e4dff0;border-radius:18px;background:#fff;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;text-align:left}.topic-navigation>strong{display:block;margin:0 0 16px;font-size:18px;color:#292331}.topic-navigation-group{padding:14px 0 0}.topic-navigation-group:first-of-type{padding-top:0}.topic-navigation-group+ .topic-navigation-group{margin-top:18px;padding-top:18px;border-top:1px solid #eee9f4}.topic-navigation-group h2{display:flex;align-items:center;gap:8px;margin:0 0 10px;color:#51495e;font-size:15px;line-height:1.4}.topic-navigation-group h2::before{content:"";width:4px;height:18px;border-radius:4px;background:#b7a4d7}.topic-navigation-group.is-claude h2{color:#542594}.topic-navigation-group.is-claude h2::before{background:#6429b5}.topic-navigation-group.is-grok h2{color:#246b45}.topic-navigation-group.is-grok h2::before{background:#2f9a5f}.topic-navigation-group.is-grok .topic-navigation-links>a{border-color:#d7eddf;background:#f8fffa}.topic-navigation-group.is-gpt h2{color:#285b91}.topic-navigation-group.is-gpt h2::before{background:#4288c7}.topic-navigation-group.is-gpt .topic-navigation-links>a{border-color:#d9e8f7;background:#f8fbff}.topic-navigation-group.is-plus-daily h2{color:#8a5b20}.topic-navigation-group.is-plus-daily h2::before{background:#cf8c2c}.topic-navigation-group.is-plus-daily .topic-navigation-links>a{border-color:#f2e2c5;background:#fffaf2}.topic-navigation-links{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.topic-navigation-links>a{display:flex;align-items:center;justify-content:center;box-sizing:border-box;min-height:44px;padding:9px 10px;border:1px solid #e8e3ed;border-radius:10px;background:#f8f7fb;color:#51495e;font-size:14px;line-height:1.5;text-align:center;text-decoration:none;overflow-wrap:anywhere}.topic-navigation-group.is-claude .topic-navigation-links>a{border-color:#e3d5f7;background:#fbf8ff}.topic-navigation-links>a:hover{border-color:#7c4acc;background:#f0e8fb;color:#542594}.topic-navigation-links>a.is-current{background:#6429b5;border-color:#6429b5;color:#fff;font-weight:700}.topic-navigation-group .topic-navigation-links>a.is-current,.topic-navigation-group .topic-navigation-links>a.is-current:hover{background:#6429b5;border-color:#6429b5;color:#fff}.topic-navigation-links>a:focus-visible{outline:3px solid #b896e7;outline-offset:2px}@media(max-width:1100px){.topic-navigation-links{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:760px){.topic-navigation{padding:14px;margin-bottom:18px}.topic-navigation-group{padding-top:10px}.topic-navigation-group+ .topic-navigation-group{margin-top:12px;padding-top:14px}.topic-navigation-links{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* The home page has a legacy five-column rule on #homeTopicLinks. Keep the grouped navigation full width. */
#homeTopicLinks.home-topic-navigation{display:block!important;grid-template-columns:none!important;gap:0!important;align-items:initial!important;text-align:left!important}
#homeTopicLinks.home-topic-navigation>strong{display:block!important}
#homeTopicLinks.home-topic-navigation .topic-navigation-group{display:block;width:100%}
.back-to-top{position:fixed;right:22px;bottom:22px;z-index:30;width:46px;height:46px;border:1px solid #d9c8f1;border-radius:50%;background:#6429b5;color:#fff;box-shadow:0 8px 24px rgba(52,25,91,.22);font-size:25px;line-height:1;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .2s ease,visibility .2s ease,transform .2s ease}.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{background:#542594}.back-to-top:focus-visible{outline:3px solid #b896e7;outline-offset:3px}@media(max-width:600px){.back-to-top{right:14px;bottom:14px;width:42px;height:42px;font-size:22px}}
.topic-qq-group{position:fixed;right:18px;top:50%;z-index:29;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:122px;padding:11px 14px;border:1px solid #d9c8f1;border-radius:14px;background:#fff;box-shadow:0 8px 24px rgba(52,25,91,.16);color:#542594;text-align:center;transform:translateY(-50%);font-family:system-ui,-apple-system,"Segoe UI",sans-serif}.topic-qq-group span{font-size:12px;color:#7c7487}.topic-qq-group strong{font-size:16px;letter-spacing:.3px}@media(max-width:600px){.topic-qq-group{right:10px;top:auto;bottom:68px;min-width:108px;padding:8px 10px;border-radius:11px}.topic-qq-group strong{font-size:14px}}
.topic-navigation-guide{display:inline-flex;align-items:center;justify-content:center;min-height:40px;margin-top:10px;padding:8px 14px;border:1px solid #d5c0f0;border-radius:10px;background:#f4edfc;color:#542594;font-size:14px;font-weight:650;text-decoration:none;overflow-wrap:anywhere}.topic-navigation-guide:hover{border-color:#7c4acc;background:#ece1fa;color:#3f1879}.topic-navigation-guide:focus-visible{outline:3px solid #b896e7;outline-offset:2px}