* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e 0%, #283593 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffd700;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: white;
            transform: scale(1.03);
            transition: all 0.3s ease;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #f1f3f5;
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #495057;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #1a237e;
            text-decoration: underline;
        }
        .search-container {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
            margin: 2rem 0;
        }
        .search-form {
            display: flex;
            gap: 10px;
            max-width: 600px;
        }
        .search-form input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #1a237e;
        }
        .search-form button {
            background: linear-gradient(90deg, #ff6b6b 0%, #ff8e53 100%);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .search-form button:hover {
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
            margin: 2rem 0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .article-content h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 1rem;
        }
        .article-content h2 {
            color: #283593;
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-left: 1rem;
            border-left: 5px solid #ff6b6b;
        }
        .article-content h3 {
            color: #3949ab;
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            color: #5c6bc0;
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255, 215, 0, 0.2) 0%, transparent 100%);
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid #ffd700;
            margin: 2rem 0;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
        }
        .sidebar-widget h3 {
            color: #1a237e;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd700;
        }
        .internal-links ul {
            list-style: none;
        }
        .internal-links li {
            margin-bottom: 0.8rem;
        }
        .internal-links a {
            color: #3949ab;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.8rem;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .internal-links a:hover {
            background: #f3f4ff;
            padding-left: 1.2rem;
        }
        .rating-container {
            text-align: center;
            padding: 1.5rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 12px;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 1rem 0;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .rating-form select,
        .rating-form textarea {
            padding: 0.8rem;
            border: none;
            border-radius: 6px;
            font-family: inherit;
        }
        .rating-form button {
            background: #ffd700;
            color: #1a237e;
            border: none;
            padding: 1rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }
        .rating-form button:hover {
            background: #ffed4e;
            transform: translateY(-2px);
        }
        .comment-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e9ecef;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-bottom: 3rem;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            outline: none;
            border-color: #1a237e;
        }
        .comment-form button {
            align-self: flex-start;
            background: #1a237e;
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        .comment-form button:hover {
            background: #283593;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(26, 35, 126, 0.2);
        }
        .site-footer {
            background: linear-gradient(90deg, #1a237e 0%, #0d1458 100%);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: #ffd700;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #dbe4ff;
            text-decoration: none;
            transition: all 0.3s;
        }
        .footer-links a:hover {
            color: #ffd700;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1rem 0;
            border-left: 4px solid #ffd700;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #a5b4fc;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .main-nav ul {
                gap: 1rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #283593;
                flex-direction: column;
                padding: 1rem;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .article-content h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.7rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            .article-content {
                padding: 1.5rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content {
            animation: fadeIn 0.8s ease-out;
        }
        .last-updated {
            background: #e8f5e9;
            padding: 1rem;
            border-radius: 8px;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #2e7d32;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold-highlight {
            color: #1a237e;
            font-weight: 800;
            background: linear-gradient(transparent 60%, rgba(255, 215, 0, 0.3) 60%);
            padding: 0 2px;
        }
        .tip-box {
            background: #e3f2fd;
            border-left: 5px solid #2196f3;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }