:root {
            --primary-color: #2a5c8a;
            --secondary-color: #f0b040;
            --accent-color: #d9534f;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
            --gray-text: #6c757d;
            --border-color: #dee2e6;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: #fff;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-color), #1a3a5a);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            color: var(--secondary-color);
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: rgba(255,255,255,0.9);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--secondary-color);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--primary-color);
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            z-index: 999;
        }
        .nav-mobile.active {
            display: block;
        }
        .nav-mobile ul {
            list-style: none;
        }
        .nav-mobile li {
            margin-bottom: 1rem;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            font-size: 1.1rem;
            display: block;
            padding: 0.5rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .nav-mobile a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            max-width: 1200px;
            margin: 1rem auto;
            padding: 0 1.5rem;
            font-size: 0.9rem;
            color: var(--gray-text);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
        }
        article {
            padding: 2rem 0;
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 1.5rem;
        }
        .article-header h1 {
            font-size: 2.5rem;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }
        .meta {
            display: flex;
            gap: 1.5rem;
            color: var(--gray-text);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .featured-image {
            margin: 2rem 0;
            text-align: center;
        }
        .featured-image img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            font-size: 0.9rem;
            color: var(--gray-text);
            margin-top: 0.5rem;
            font-style: italic;
        }
        .content h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--primary-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
        }
        .content h3 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
            color: var(--dark-text);
        }
        .content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .content strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .content em {
            color: var(--gray-text);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(240, 176, 64, 0.2) 0%, rgba(240, 176, 64, 0) 100%);
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tier-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border-radius: 10px;
            overflow: hidden;
        }
        .tier-table th,
        .tier-table td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        .tier-table th {
            background-color: var(--primary-color);
            color: white;
            font-weight: 700;
        }
        .tier-table tr:nth-child(even) {
            background-color: var(--light-bg);
        }
        .tier-table tr:hover {
            background-color: rgba(42, 92, 138, 0.05);
        }
        .tier-badge {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-weight: bold;
            font-size: 0.85rem;
            margin-right: 0.5rem;
        }
        .tier-ss { background: #ff7f7f; color: #fff; }
        .tier-s { background: #ffbf7f; color: #333; }
        .tier-a { background: #ffdf7f; color: #333; }
        .tier-b { background: #bfff7f; color: #333; }
        .tier-c { background: #7fff7f; color: #333; }
        .search-widget,
        .rating-widget,
        .comments-widget {
            background: var(--light-bg);
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: #1a3a5a;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2rem;
            color: #ddd;
        }
        .star-rating .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: var(--secondary-color);
            transform: scale(1.1);
        }
        .rating-submit {
            display: block;
            margin: 1rem auto 0;
            padding: 0.7rem 2rem;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-submit:hover {
            background: #1a3a5a;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .comment-submit {
            padding: 0.8rem 2rem;
            background: var(--accent-color);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-submit:hover {
            background: #c9302c;
        }
        .sidebar {
            padding: 2rem 0;
        }
        .sidebar-widget {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            margin-bottom: 1.2rem;
            color: var(--primary-color);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .sidebar-widget ul {
            list-style: none;
        }
        .sidebar-widget li {
            margin-bottom: 0.8rem;
        }
        .sidebar-widget a {
            color: var(--dark-text);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .sidebar-widget a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
        .web-links {
            max-width: 1200px;
            margin: 3rem auto 2rem;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background: var(--light-bg);
            padding: 1rem;
            border-radius: 5px;
            text-align: center;
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }
        .web-link a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .copyright {
            font-size: 0.9rem;
            color: #999;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            width: 100%;
        }
        @media (max-width: 768px) {
            :root { font-size: 15px; }
            .nav-desktop { display: none; }
            .nav-toggle { display: block; }
            .header-container { padding: 0 1rem; }
            .container { padding: 0 1rem; }
            .article-header h1 { font-size: 2rem; }
            .web-links { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 480px) {
            .web-links { grid-template-columns: 1fr; }
            .star-rating { font-size: 1.7rem; }
        }