* { 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: #222;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #1a73e8; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #d32f2f; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section-padding { padding: 60px 0; }
        .site-header {
            background: linear-gradient(90deg, #0d47a1 0%, #1976d2 100%);
            color: white;
            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;
            padding: 15px 20px;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(45deg, #FFD700, #FFECB3);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .logo a { color: transparent; }
        .logo span { color: #FFD700; }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: #FFD700;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            background-color: #1565c0;
            padding: 20px;
            flex-direction: column;
            gap: 15px;
            animation: slideDown 0.4s ease;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: white;
            font-size: 1.1rem;
            padding: 12px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .breadcrumb {
            background-color: #e3f2fd;
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #bbdefb;
        }
        .breadcrumb a { color: #0d47a1; }
        .breadcrumb span { color: #666; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 40px;
            padding: 40px 20px;
            flex-grow: 1;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-hero {
            margin-bottom: 40px;
            text-align: center;
        }
        .article-hero h1 {
            font-size: 2.8rem;
            color: #0d47a1;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 30px;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-image {
            margin: 40px auto;
            max-width: 900px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }
        .article-image img { width: 100%; transition: transform 0.5s ease; }
        .article-image:hover img { transform: scale(1.02); }
        .image-caption {
            padding: 10px;
            background-color: #f5f5f5;
            font-size: 0.9rem;
            color: #555;
            text-align: center;
            font-style: italic;
        }
        .article-content {
            background-color: white;
            padding: 50px;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }
        .article-content h2 {
            color: #1565c0;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ffd700;
            font-size: 2rem;
        }
        .article-content h3 {
            color: #1976d2;
            margin: 30px 0 15px;
            font-size: 1.6rem;
        }
        .article-content p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content blockquote {
            border-left: 5px solid #ffd700;
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: #444;
            background-color: #fffde7;
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 3px 6px;
            border-radius: 3px;
            font-weight: 600;
        }
        .stats-box {
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
            border-left: 5px solid #7b1fa2;
            padding: 25px;
            margin: 30px 0;
            border-radius: 8px;
        }
        .stats-box h4 {
            color: #7b1fa2;
            margin-bottom: 15px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
        }
        .sidebar-widget h3 {
            color: #0d47a1;
            margin-bottom: 20px;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-widget h3 i { color: #ff9800; }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 14px;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: linear-gradient(45deg, #0d47a1, #1976d2);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s ease;
        }
        .search-form button:hover { background: linear-gradient(45deg, #1565c0, #1e88e5); }
        .rating-widget { text-align: center; }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active { color: #ffd700; }
        .rating-form button {
            background-color: #4caf50;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            margin-top: 15px;
            transition: background 0.3s;
        }
        .rating-form button:hover { background-color: #388e3c; }
        .comment-list { margin-top: 20px; }
        .comment {
            border-bottom: 1px solid #eee;
            padding: 15px 0;
        }
        .comment:last-child { border-bottom: none; }
        .comment-author {
            font-weight: bold;
            color: #0d47a1;
        }
        .comment-date {
            font-size: 0.85rem;
            color: #888;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 15px;
            resize: vertical;
            min-height: 120px;
        }
        .comment-form button {
            background: linear-gradient(45deg, #d32f2f, #f44336);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: background 0.3s;
        }
        .comment-form button:hover { background: linear-gradient(45deg, #b71c1c, #d32f2f); }
        .longtail-links {
            background-color: #f1f8e9;
            padding: 40px 20px;
            margin-top: 40px;
        }
        .longtail-links h2 {
            text-align: center;
            color: #33691e;
            margin-bottom: 30px;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #689f38;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .web-link:hover { transform: translateY(-5px); }
        .site-footer {
            background: linear-gradient(90deg, #263238 0%, #37474f 100%);
            color: #cfd8dc;
            padding: 60px 20px 30px;
            margin-top: auto;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #fff;
            margin-bottom: 25px;
            font-size: 1.2rem;
        }
        .footer-section ul { list-style: none; }
        .footer-section li { margin-bottom: 12px; }
        .footer-section a { color: #b0bec5; }
        .footer-section a:hover { color: #ffd700; }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #546e7a;
            font-size: 0.9rem;
            color: #b0bec5;
        }
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .nav-desktop { display: none; }
            .header-container { padding: 12px 15px; }
            .logo { font-size: 1.8rem; }
            .article-hero h1 { font-size: 2.2rem; }
            .article-content { padding: 30px 20px; }
            .sidebar-widget { padding: 25px 20px; }
            .main-content { padding: 25px 15px; gap: 30px; }
        }