:root{--bg-color:#0d0d0d;--text-color:#e0e0e0;--primary-color:#17a2b8;--accent-color:#409da0;--border-color:#333;--surface-color:#1a1a1a;--surface-hover:#262626;--nav-height:60px;--header-height:70px}body{scroll-behavior:smooth}.jump-menu-wrapper{backdrop-filter:blur(12px);background-color:#000;border-bottom:1px solid var(--border-color);box-shadow:0 4px 20px rgba(0,0,0,.2);height:var(--nav-height);position:relative;transition:top .3s ease;width:100%;z-index:99}.jump-menu-wrapper.is-fixed{box-shadow:0 4px 30px rgba(0,0,0,.3);left:0;position:fixed;top:77px}.jump-menu-container{align-items:center;display:flex;gap:10px;height:100%;position:relative}.jump-menu-label{color:#fff;font-weight:600;margin-right:10px;white-space:nowrap}.jump-nav{flex:1;min-width:0}.jump-links-visible,.jump-nav{align-items:center;display:flex;height:100%}.jump-links-visible{gap:0;list-style:none;width:100%}.nav-item{flex-shrink:0}.nav-item,.nav-link{align-items:center;display:flex;height:100%}.nav-link{border-bottom:2px solid transparent;color:#dcd8d8;font-size:.9rem;font-weight:500;padding:0 16px;text-decoration:none;transition:all .2s ease;white-space:nowrap}.nav-link:hover{background-color:hsla(0,0%,100%,.03);color:#fff}.nav-link.active{border-bottom-color:#17a2b8;color:#17a2b8}.nav-link:focus,.nav-link:hover,.nav-link>a:active{color:#17a2b8}.jump-cta{flex-shrink:0;margin-left:auto}.jump-overflow-container button{background-color:#000;border-color:#000;border-radius:0;color:#dcd8d8}.jump-cta .btn-primary{background-color:#409da0;border-radius:6px;color:#fff;font-size:.85rem;font-weight:600;padding:8px 16px;text-decoration:none;transition:background-color .2s}.jump-cta .btn-primary:hover{background-color:#187578}.jump-overflow-container{align-items:center;display:flex;height:100%;position:relative}.jump-overflow-container.hidden{display:none}.overflow-btn{align-items:center;background:transparent;border:none;color:#a3a3a3;cursor:pointer;display:flex;font-size:.9rem;font-weight:500;gap:6px;height:100%;padding:0 16px;transition:color .2s}.overflow-btn.active,.overflow-btn:hover{color:#fff}.overflow-btn.active{color:var(--primary-color)}.jump-links-overflow{background-color:#1d272c;border:1px solid #1d272c;border-radius:0 0 8px 8px;box-shadow:0 10px 30px rgba(0,0,0,.5);list-style:none;min-width:200px;opacity:0;position:absolute;right:0;top:100%;transform:translateY(10px);transition:all .2s ease;visibility:hidden;z-index:1000}.jump-overflow-container.show-dropdown .jump-links-overflow,.jump-overflow-container:hover .jump-links-overflow{opacity:1;transform:translateY(0);visibility:visible}.jump-links-overflow .nav-item{height:auto;width:100%}.jump-links-overflow .nav-link{border-bottom:1px solid hsla(0,0%,100%,.05);height:auto;padding:12px 20px;width:100%}.jump-links-overflow .nav-link:hover{background-color:var(--surface-hover)}.jump-links-overflow .nav-link.active{background-color:rgba(59,130,246,.1);border-bottom-color:transparent;border-left:3px solid var(--primary-color);color:var(--primary-color)}.overflow-btn{width:92px}