* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f9f9f9;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2c7bb6;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 3rem 0;
        }
        h1, h2, h3, h4 {
            color: #2c3e50;
            margin-bottom: 1.2rem;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 1.5rem;
            color: #1a5276;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 6px solid #f39c12;
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #2874a6;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #7d3c98;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        strong, b {
            color: #c0392b;
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #555;
        }
        blockquote {
            border-left: 5px solid #3498db;
            background-color: #ebf5fb;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
            font-size: 1.2rem;
            color: #2c3e50;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a5276 0%, #2c3e50 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: #f39c12;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .logo span {
            color: #ecf0f1;
        }
        .logo:hover {
            color: #f1c40f;
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover {
            background-color: rgba(255,255,255,0.15);
            color: #f39c12;
        }
        .nav-desktop a i {
            margin-right: 0.5rem;
        }
        .nav-mobile {
            display: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #e8f4fc;
            padding: 1rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            padding-left: 0;
            margin: 0;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #2980b9;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ddd;
            color: #7f8c8d;
            font-size: 0.95rem;
        }
        .author {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
        }
        .featured-image {
            margin: 2rem 0;
            text-align: center;
        }
        .featured-image img {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border: 5px solid #f1c40f;
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background-color: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: #1a5276;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f39c12;
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #3498db;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #2980b9;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #f1c40f;
        }
        .star {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
            font-family: inherit;
        }
        .comment-form button {
            background-color: #2ecc71;
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: background-color 0.3s;
            width: 100%;
        }
        .comment-form button:hover {
            background-color: #27ae60;
        }
        .tip-box {
            background-color: #e8f6f3;
            border-left: 6px solid #1abc9c;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .warning-box {
            background-color: #fdebd0;
            border-left: 6px solid #f39c12;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .char-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }
        .char-table th, .char-table td {
            border: 1px solid #ddd;
            padding: 1rem;
            text-align: left;
        }
        .char-table th {
            background-color: #2c3e50;
            color: white;
            font-weight: 600;
        }
        .char-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .char-table tr:hover {
            background-color: #e3f2fd;
        }
        .long-tail-links {
            background-color: #f1f8ff;
            padding: 2.5rem;
            margin: 3rem 0;
            border-radius: 15px;
        }
        .long-tail-links h2 {
            text-align: center;
            border: none;
            color: #1a5276;
            margin-bottom: 2rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: white;
            padding: 1.2rem;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            border-left: 5px solid #3498db;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #2c3e50;
            font-weight: 600;
            display: block;
            font-size: 1.05rem;
        }
        .web-link a:hover {
            color: #e74c3c;
        }
        .site-footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f39c12;
            margin-bottom: 1rem;
        }
        .footer-about {
            flex: 1;
            min-width: 300px;
        }
        .footer-links {
            flex: 1;
            min-width: 200px;
        }
        .footer-links h3 {
            color: #f39c12;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #34495e;
            padding-bottom: 0.5rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #f39c12;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { flex-wrap: wrap; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .nav-mobile {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                background-color: #1a5276;
                border-radius: 10px;
                padding: 1rem;
            }
            .nav-mobile.active {
                display: flex;
            }
            .nav-mobile ul {
                list-style: none;
            }
            .nav-mobile li {
                margin-bottom: 0.8rem;
            }
            .nav-mobile a {
                color: white;
                display: block;
                padding: 0.8rem 1rem;
                border-radius: 6px;
                font-weight: 600;
            }
            .nav-mobile a:hover {
                background-color: rgba(255,255,255,0.15);
            }
            .article-content {
                padding: 1.5rem;
            }
            .sidebar {
                padding: 1.5rem;
                position: static;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }
        .text-center { text-align: center; }
        .mb-2 { margin-bottom: 2rem; }
        .emoji { font-size: 1.2em; }