.navbar {
            background: linear-gradient(135deg, #0d1642 0%, #1890ff 100%); padding: 0 2rem; height: 64px;
            display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 1000;
            box-shadow: 0 2px 16px rgba(0,0,0,0.2);
        }
        .navbar-brand { display: flex; align-items: center; gap: 12px; color: #fff; font-size: 1.25rem; font-weight: 700; }
        .navbar-logo { height: 42px; width: auto; }
        .nav-links { display: flex; gap: 4px; list-style: none; padding: 0; margin: 0; align-items: center; height: 64px; }
        .nav-links > li { position: relative; display: flex; align-items: center; height: 100%; }
        .nav-links > li > a, .nav-links > li > span.nav-label {
            color: rgba(255,255,255,0.8); text-decoration: none; padding: 8px 14px; border-radius: 8px;
            font-size: 0.9rem; font-weight: 500; transition: all 0.2s; display: flex; align-items: center; gap: 6px; cursor: pointer; white-space: nowrap; user-select: none;
        }
        .nav-links > li > a:hover, .nav-links > li:hover > span.nav-label { color: #fff; background: rgba(255,255,255,0.12); }
        .nav-links > li > a.active { color: var(--accent); font-weight: 600; }
        .nav-arrow { font-size: 0.6rem; margin-left: 2px; transition: transform 0.2s; display: inline-block; }
        .nav-links > li:hover .nav-arrow { transform: rotate(180deg); }
        .dropdown-menu {
            position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
            background: var(--card-bg); border-radius: var(--radius); padding: 8px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.18); min-width: 180px;
            list-style: none; display: none; z-index: 1001;
            border: 1px solid var(--border);
        }
        .nav-links > li:hover .dropdown-menu { display: block; }
        .dropdown-menu a {
            display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 8px;
            color: var(--text); text-decoration: none; font-size: 0.88rem; font-weight: 500;
            transition: all 0.15s; white-space: nowrap;
        }
        .dropdown-menu a:hover { background: #e8eaf6; color: var(--primary); }
        .dropdown-menu a .dot { font-size: 0.95rem; flex-shrink: 0; opacity: 0.85; }
        .hamburger { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 6px 10px; border-radius: 8px; line-height: 1; }
        .hamburger:hover { background: rgba(255,255,255,0.12); }
        @media (max-width: 1024px) {

            .nav-links > li > a span, .nav-links > li > span.nav-label span { display: none; }
            .nav-links { gap: 2px; }
            .nav-links > li > a, .nav-links > li > span.nav-label { font-size: 1.2rem; padding: 8px 12px; }
            .navbar-logo { height: 34px; }
            .dropdown-menu { left: auto; right: 0; transform: none; }
        }
        @media (max-width: 768px) {

            .hamburger { display: block; }
            .nav-links {
                display: none; position: absolute; top: 64px; left: 0; right: 0;
                background: var(--primary); flex-direction: column; height: auto;
                padding: 8px 0; box-shadow: 0 8px 24px rgba(0,0,0,0.3);
            }
            .nav-links.open { display: flex; }
            .nav-links > li { height: auto; width: 100%; }
            .nav-links > li > a, .nav-links > li > span.nav-label { width: 100%; border-radius: 0; padding: 12px 2rem; font-size: 1rem; }
            .nav-links > li > a span, .nav-links > li > span.nav-label span { display: inline; }
            .nav-links > li > span.nav-label .nav-arrow { float: right; margin-top: 4px; }
            .dropdown-menu {
                position: static; transform: none; box-shadow: none; border-radius: 0;
                border: none; border-top: 1px solid rgba(255,255,255,0.1); display: none;
                background: rgba(0,0,0,0.15); padding: 4px 0;
            }
            .dropdown-menu.open { display: block; }
            .dropdown-menu a { color: rgba(255,255,255,0.85); padding: 10px 3rem; border-radius: 0; }
            .dropdown-menu a:hover { background: rgba(255,255,255,0.1); color: #fff; }
            .dropdown-menu a .dot { background: var(--accent); }
            .navbar { padding: 0 1rem; }
            .navbar-brand span { display: none; }
        }