.ls-header{position:sticky;top:0;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.08);z-index:1000}.ls-nav{display:flex;align-items:center;justify-content:space-between;height:80px}.ls-logo a{text-decoration:none;font-size:32px;font-weight:700;color:var(--primary)}.ls-menu ul{display:flex;gap:24px;list-style:none}.ls-menu a{text-decoration:none;color:#1E293B}.ls-actions{display:flex;gap:16px}.ls-actions a{text-decoration:none;color:#1E293B}.ls-toggle{display:none}@media(max-width:768px){.ls-menu,.ls-actions{display:none}.ls-toggle{display:block;background:none;border:none;font-size:28px}}