.site-header{background:#1a1a1a;color:white;position:-webkit-sticky;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.3)}.site-header .container{max-width:1200px;margin:0 auto;padding:0 2rem}.header-top{justify-content:space-between;padding:1rem 0}.header-left,.header-top{display:flex;align-items:center;gap:1rem}.header-left{flex-shrink:0}.logo a{font-size:1.5rem;font-weight:700;color:white;text-decoration:none}.logo{display:flex;align-items:center}.company-logo{max-height:40px;width:auto}.company-info{display:flex;flex-direction:column;color:white}.company-name{font-size:1.2rem;font-weight:700;color:white}.slogan{font-size:.8rem;color:#ccc}.header-search{margin:0 2rem}.header-right{display:flex;align-items:center;flex-shrink:0}.contact-info{display:flex;flex-direction:column;align-items:flex-end;font-size:.85rem;color:white}.site-nav{border-top:1px solid #333;padding:0}.nav-list{display:flex;list-style:none;margin:0;padding:0;gap:0;height:50px;align-items:stretch}.nav-item{position:relative;display:flex;align-items:center}.nav-item .nav-label,.nav-item a{color:#ffffff!important;text-decoration:none;font-size:.95rem;font-weight:500;cursor:pointer;padding:0 1.25rem;display:flex;align-items:center;justify-content:center;transition:background .2s;height:100%;box-sizing:border-box;white-space:nowrap}.nav-item:hover>.nav-label,.nav-item:hover>a{background:rgba(255,255,255,.1)}.arrow{font-size:.6rem;margin-left:6px;opacity:.7}.has-dropdown>.nav-label .arrow,.has-dropdown>a .arrow{display:inline-block}.dropdown{position:absolute;top:100%;left:0;background:#222;list-style:none;padding:.5rem 0;margin:0;min-width:240px;box-shadow:0 8px 24px rgba(0,0,0,.4);display:none;border-radius:0 0 4px 4px;border:1px solid #333;border-top:none}.nav-item:hover>.dropdown{display:block}.dropdown li{width:100%}.dropdown li a{padding:.75rem 1.5rem;color:#eee;display:block;transition:all .2s;font-size:.9rem;line-height:1.4;height:auto}.dropdown li a:hover{background:#333;color:white;padding-left:1.75rem}.dropdown .dropdown{top:0;left:100%;border-radius:4px;border:1px solid #333}