        body {
            background-color: #ffffff;
            color: #000000;
            margin: 0;
            padding: 0;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: #ffffff;
            z-index: 100;
            padding: 10px 20px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        .header-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .header-logo a {
            font-size: 1.25rem;
            font-weight: bold;
            color: #2d3748;
            text-decoration: none;
        }
        .header-links {
            display: flex;
            gap: 15px;
        }
        .header-links a {
            color: #718096;
            text-decoration: none;
            font-size: 0.875rem;
            padding: 2px 4px;
            border-bottom: 2px solid transparent;
        }
        .header-links a:hover {
            color: #3182ce;
            border-bottom: 2px solid #3182ce;
        }
        .header-links a.active {
            color: #3182ce;
            border-bottom: 2px solid #3182ce;
        }
        #mobile-menu-button {
            display: none;
            cursor: pointer;
            background-color: #f7fafc;
            padding: 6px 10px;
            border-radius: 4px;
            border: none;
        }
        #mobile-menu-button:hover {
            background-color: #edf2f7;
        }
        #mobile-menu {
            display: none;
            position: absolute;
            top: 50px;
            left: 20px;
            background-color: #ffffff;
            width: 200px;
            z-index: 50;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        #mobile-menu.show {
            display: block;
        }
        .menu-item {
            padding: 10px 15px;
            border-bottom: 1px solid #e2e8f0;
        }
        .menu-item a {
            color: #718096;
            text-decoration: none;
            font-size: 1rem;
        }
        .menu-item a.active {
            color: #3182ce;
        }
        .menu-item:hover {
            background-color: #edf2f7;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        .sort-icon {
            margin-left: 4px;
            font-size: 0.8em;
        }



                .header-nav {
            @apply flex items-center justify-between p-4 bg-white shadow-md;
        }
        .header-logo a {
            @apply text-xl font-bold text-fuel-blue;
        }
        .header-links {
            @apply hidden md:flex gap-6;
        }
        .header-links a {
            @apply text-gray-700 hover:text-fuel-blue;
        }
        .menu-item {
            @apply p-2 border-b border-gray-200;
        }
        .menu-item a {
            @apply block text-gray-700 hover:text-fuel-blue;
        }