/* FreeTools grouped navigation — isolated to the shared site layout. */
.ft-header{position:relative;z-index:110;background:#fff;border-bottom:1px solid #e8edf5;box-shadow:0 5px 22px rgba(20,35,68,.035)}
.ft-header-inner{display:flex;gap:24px;align-items:center;justify-content:space-between;max-width:1480px}
.ft-brand{flex-shrink:0}.ft-brand-logo{object-fit:contain}.ft-category-nav{display:flex!important;flex:1;align-items:center;justify-content:center;gap:3px;min-width:0;overflow:visible!important}
.ft-nav-home,.ft-nav-group>summary{display:flex;align-items:center;gap:7px;white-space:nowrap;padding:11px 10px;border-radius:11px;color:#34435b;text-decoration:none;font-size:12px;font-weight:750;cursor:pointer;list-style:none;transition:background .16s,color .16s}
.ft-nav-group>summary::-webkit-details-marker{display:none}.ft-nav-group{position:relative;flex-shrink:0}.ft-nav-home:hover,.ft-nav-group>summary:hover,.ft-nav-group[open]>summary,.ft-nav-group.is-current>summary,.ft-nav-home.is-current{background:#f1f4ff;color:#4f46e5}.ft-nav-group>summary>.ft-icon:last-child{width:12px;height:12px;opacity:.6;transition:transform .16s}.ft-nav-group[open]>summary>.ft-icon:last-child{transform:rotate(180deg)}
.ft-icon{display:inline-block;flex:none;width:18px;height:18px;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.8}
.ft-dropdown{position:absolute;top:calc(100% + 9px);inset-inline-start:0;width:268px;max-height:min(70vh,560px);overflow:auto;padding:12px;background:#fff;border:1px solid #e5eaf3;border-radius:17px;box-shadow:0 18px 55px rgba(22,34,62,.17);z-index:300}.ft-dropdown-title{padding:8px 10px 12px;font-size:12px;color:#7b8498;font-weight:800;border-bottom:1px solid #f0f2f7;margin-bottom:6px}.ft-dropdown-link{display:flex;align-items:center;gap:11px;padding:11px;border-radius:10px;text-decoration:none!important;color:#27344b;font-size:12px;font-weight:650}.ft-dropdown-link .ft-icon{color:#6655db}.ft-dropdown-link:hover,.ft-dropdown-link.is-current{background:#f2f3ff;color:#4f46e5}.ft-dropdown-link:focus-visible,.ft-nav-group>summary:focus-visible{outline:3px solid #818cf8;outline-offset:2px}
.ft-header-actions{flex-shrink:0}.ft-all-tools{white-space:nowrap}.ft-all-tools>.ft-icon{width:16px;height:16px}.ft-topbar-message{display:flex;align-items:center;gap:9px;white-space:nowrap}.ft-topbar-inner{justify-content:space-between}.ft-quickbar{display:none!important}
.ft-mobile-groups{display:flex;flex-direction:column;gap:7px}.ft-mobile-groups>.ft-mobile-link,.ft-mobile-group>summary{display:flex;align-items:center;gap:11px;min-height:48px;padding:12px;border-radius:11px;font-size:14px;font-weight:750;cursor:pointer;list-style:none}.ft-mobile-group>summary::-webkit-details-marker{display:none}.ft-mobile-group>summary>.ft-icon:last-child{margin-inline-start:auto;width:15px;height:15px}.ft-mobile-group[open]>summary{background:#f2f3ff;color:#4f46e5}.ft-mobile-subitems{display:flex;flex-direction:column;gap:3px;padding:4px 8px 10px 18px}.ft-mobile-subitems>a{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:9px;text-decoration:none;color:#34435b;font-size:13px}.ft-mobile-subitems>a:hover{background:#f2f3ff}.ft-mobile-subitems .ft-icon{color:#6558cc}
@media(max-width:1260px){.ft-category-nav{display:none!important}.ft-menu-button{display:flex!important}.ft-header-inner{justify-content:space-between}.ft-all-tools{display:none!important}}
@media(min-width:1261px) and (max-width:1460px){.ft-header-inner{gap:10px}.ft-nav-home,.ft-nav-group>summary{padding:10px 7px;font-size:11px;gap:4px}.ft-category-nav .ft-icon{width:16px;height:16px}.ft-all-tools{display:none!important}}
@media(max-width:640px){.ft-topbar-message{font-size:10px}.ft-header-inner{min-height:66px}.ft-brand-tagline{font-size:10px}}
@media(prefers-reduced-motion:reduce){.ft-nav-group>summary>.ft-icon:last-child{transition:none}}