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a:hover{color:var(--ink);background:rgba(var(--w),.03)}.mtb-nav a.active{background:var(--bg-elev);color:var(--up);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--up)32%,transparent)}.mtb-new{background:var(--down);color:#fff;letter-spacing:.5px;vertical-align:super;border-radius:4px;margin-left:4px;padding:1px 4px;font-size:8px;font-weight:800;line-height:1}.mercu-topbar nav.mtb-nav{margin-left:16px}.mercu-topbar sup.mtb-new{margin-left:4px}.mercu-topbar button.mtb-guide,.mercu-topbar a.mtb-guide{margin-left:34px}.mtb-guide{-webkit-backdrop-filter:blur(10px);color:#e0f2f7;height:28px;font-family:var(--tb-sans);letter-spacing:1px;white-space:nowrap;cursor:pointer;background:#1e32466b;border:1px solid #4a90e299;border-radius:9px;flex-shrink:0;align-items:center;gap:7px;margin-left:34px;padding:0 13px;font-size:13px;font-weight:600;text-decoration:none;transition:color .2s,background .2s,border-color .2s,box-shadow .2s;display:inline-flex;box-shadow:0 0 6px #4a90e259,0 0 12px 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.15s;display:inline-flex}.mtb-theme:hover{color:var(--ink);background:var(--bg-elev)}.mtb-theme svg{width:15px;height:15px;display:block}.mtb-theme .mtb-moon,html.light .mtb-theme .mtb-sun{display:none}html.light .mtb-theme .mtb-moon{display:block}.mtb-fav{border:1px solid var(--line-strong);background:var(--bg-3);height:30px;color:var(--ink-soft);cursor:pointer;border-radius:7px;flex-shrink:0;align-items:center;gap:6px;padding:0 10px;text-decoration:none;transition:all .15s;display:inline-flex}.mtb-fav:hover{color:var(--ink);background:var(--bg-elev)}.mtb-fav svg{flex-shrink:0;width:15px;height:15px;display:block}.mtb-fav-label{font-family:var(--tb-sans);white-space:nowrap;font-size:12px;font-weight:600;line-height:1}.mtb-fav-cnt{font-family:var(--tb-mono);background:var(--bg-0);color:var(--ink-faint);text-align:center;border-radius:4px;min-width:18px;padding:1px 5px;font-size:11px;font-weight:700;line-height:1}.mtb-fav.on{color:var(--accent);background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent)42%,transparent)}.mtb-fav.on .mtb-fav-cnt{color:var(--accent);background:color-mix(in srgb,var(--accent)13%,transparent)}.mtb-user{cursor:pointer;background:0 0;border:0;align-items:center;padding:0;display:inline-flex}.mtb-avatar{color:#fff;width:28px;height:28px;font-size:13px;font-weight:600;font-family:var(--tb-mono);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.mtb-login{font-family:var(--tb-sans);color:var(--ink-soft);border:1px solid var(--line-strong);border-radius:6px;align-items:center;padding:4px 12px;font-size:12px;text-decoration:none;display:inline-flex}.mtb-login:hover{color:var(--ink)}@media (max-width:720px){.mtb-guide{justify-content:center;width:28px;margin-left:12px;padding:0}.mtb-guide span{display:none}}.mercu-standalone{overflow-x:clip}@media 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