:root {
            --primary-color: #2a2a72;
            --secondary-color: #009ffd;
            --accent-color: #ffa400;
            --dark-bg: #0f0f1a;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #e9ecef;
            --border-radius: 12px;
            --shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
            --container-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-bg));
            color: var(--text-light);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--accent-color), #ff6b6b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--secondary-color);
        }
        .desktop-nav ul {
            display: flex;
            gap: 2.2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--accent-color);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--accent-color);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--dark-bg);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            position: absolute;
            top: 100%;
            left: 20px;
            right: 20px;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 164, 0, 0.1);
            color: var(--accent-color);
            padding-left: 1.5rem;
        }
        .breadcrumb {
            background-color: #eef2f7;
            padding: 1rem 0;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: var(--secondary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: #6c757d;
            margin: 0 5px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 1.5rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            gap: 1.5rem;
            color: #6c757d;
            font-size: 0.95rem;
        }
        .meta-info i {
            margin-right: 0.5rem;
            color: var(--secondary-color);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px dashed var(--secondary-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark-bg);
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255, 164, 0, 0.15) 0%, rgba(255, 164, 0, 0.05) 100%);
            border-left: 5px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tier-list-container {
            background-color: #f1f8ff;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2.5rem 0;
            overflow-x: auto;
        }
        .tier-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }
        .tier-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 1.2rem;
            text-align: left;
        }
        .tier-table td {
            padding: 1rem;
            border-bottom: 1px solid #dee2e6;
        }
        .tier-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .tier-table tr:hover {
            background-color: rgba(0, 159, 253, 0.08);
        }
        .tier-badge {
            display: inline-block;
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-weight: bold;
            font-size: 0.9rem;
            margin-right: 0.5rem;
        }
        .tier-s { background-color: #ff6b6b; color: white; }
        .tier-a { background-color: #ffa400; color: white; }
        .tier-b { background-color: #4ecdc4; color: white; }
        .tier-c { background-color: #1dd1a1; color: white; }
        .tier-d { background-color: #54a0ff; color: white; }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container figcaption {
            font-style: italic;
            color: #6c757d;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #dee2e6;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--secondary-color);
        }
        .search-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--primary-color);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--accent-color);
        }
        .rating-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            margin-top: 1rem;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--secondary-color);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #dee2e6;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 150px;
            margin-bottom: 1rem;
            outline: none;
        }
        .comment-form textarea:focus {
            border-color: var(--secondary-color);
        }
        .comment-form button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #e59400;
        }
        .web-links-section {
            background-color: var(--dark-bg);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 992px) {
            .web-links-container {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 576px) {
            .web-links-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 164, 0, 0.15);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--text-light);
            font-weight: 600;
            display: block;
            text-align: center;
        }
        .web-link a:hover {
            color: var(--accent-color);
        }
        .site-footer {
            background-color: #0a0a14;
            color: var(--text-light);
            padding: 3rem 0 2rem;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        .copyright {
            color: #adb5bd;
            font-size: 0.95rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2rem;
            width: 100%;
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .desktop-nav {
                display: none;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            article, .sidebar-widget {
                padding: 1.8rem;
            }
            .main-content {
                gap: 1.8rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 0.7rem;
            }
        }
        .text-bold {
            font-weight: 800;
        }
        .text-accent {
            color: var(--accent-color);
        }
        .text-secondary {
            color: var(--secondary-color);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }