* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a { color: #2c5aa0; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e74c3c; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .site-header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            padding: 15px 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 a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #FFD700; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            border-bottom-color: #FFD700;
            color: #FFD700;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a { color: #495057; }
        .breadcrumb a:hover { color: #1a2980; }
        .search-section {
            background-color: #fff;
            padding: 30px 0;
            border-bottom: 1px solid #dee2e6;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 25px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background: linear-gradient(to right, #e74c3c, #c0392b);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: opacity 0.3s;
        }
        .search-button:hover { opacity: 0.9; }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.9rem;
            margin-bottom: 25px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            border-bottom: 1px solid #eee;
            padding-bottom: 15px;
        }
        h1 {
            font-size: 2.5rem;
            color: #1a2980;
            margin-bottom: 25px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #2c5aa0;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
        }
        h3 {
            font-size: 1.6rem;
            color: #34495e;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #2c3e50;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            line-height: 1.7;
        }
        .intro {
            font-size: 1.2rem;
            color: #2c3e50;
            background-color: #f8f9fa;
            padding: 20px;
            border-left: 5px solid #26d0ce;
            margin-bottom: 30px;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        ul, ol {
            margin-bottom: 20px;
            padding-left: 30px;
        }
        li { margin-bottom: 8px; }
        blockquote {
            border-left: 4px solid #e74c3c;
            background-color: #fdf2f2;
            padding: 20px;
            margin: 25px 0;
            font-style: italic;
            color: #555;
        }
        .stats-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            text-align: center;
        }
        .stats-box h3 { color: white; margin-top: 0; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: #1a2980;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
        }
        .link-list {
            list-style: none;
            padding-left: 0;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #eee;
        }
        .link-list a {
            display: block;
            padding: 8px 10px;
            border-radius: 5px;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background-color: #f0f7ff;
            padding-left: 15px;
        }
        .interaction-section {
            background-color: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin-top: 40px;
        }
        .rating-widget {
            text-align: center;
            margin-bottom: 30px;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 10px;
        }
        .stars .fas { margin: 0 3px; }
        .stars .active { color: #FFD700; }
        .comment-form, .rating-form {
            display: grid;
            gap: 20px;
            margin-top: 20px;
        }
        .form-group { display: flex; flex-direction: column; }
        label { margin-bottom: 8px; font-weight: 600; }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #2c5aa0;
            outline: none;
        }
        textarea { min-height: 150px; resize: vertical; }
        .submit-button {
            background: linear-gradient(to right, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .submit-button:hover { opacity: 0.9; }
        .site-footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
        }
        .footer-links h4, .friend-links h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #444;
        }
        .footer-links ul, friend-links {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li, friend-links a {
            margin-bottom: 10px;
        }
        .footer-links a, friend-links a {
            color: #aaa;
        }
        .footer-links a:hover, friend-links a:hover {
            color: #26d0ce;
            padding-left: 5px;
        }
        friend-links {
            display: block;
            background-color: #222;
            padding: 15px;
            border-radius: 5px;
            border-left: 4px solid #e74c3c;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a2980;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active ul { display: flex; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            .article-content, .interaction-section { padding: 25px; }
            .content-wrapper { gap: 25px; }
        }