        * {
            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: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #0d6efd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #084298;
        }
        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; }
        .emoji { font-size: 1.2em; }
        .site-header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 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;
        }
        .logo a {
            color: white;
            font-size: 1.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #ffd700;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: #e0e0e0;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: white;
            border-bottom-color: #ffd700;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #1e3c72;
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav a {
            display: block;
            padding: 1rem;
            color: white;
            font-weight: 600;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            color: #1e3c72;
        }
        .main-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-content h1 {
            font-size: 2.5rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #dee2e6;
            display: flex;
            gap: 1rem;
        }
        .article-content h2 {
            font-size: 1.8rem;
            color: #2a5298;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #e9ecef;
        }
        .article-content h3 {
            font-size: 1.4rem;
            color: #495057;
            margin: 2rem 0 1rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .article-content .lead {
            font-size: 1.2rem;
            color: #343a40;
            font-weight: 500;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-left: 4px solid #0d6efd;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #fff3cd, #ffeaa7);
            border: 1px solid #ffd700;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .featured-image {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            padding: 0.8rem;
            background: #f8f9fa;
        }
        .internal-link {
            background-color: #e7f1ff;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border-left: 4px solid #0d6efd;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: #1e3c72;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-right: none;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background: #1e3c72;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #15325f;
        }
        .rating-widget .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 1rem;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
        }
        .rating-widget .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea,
        .rating-form input,
        .rating-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-family: inherit;
        }
        .comment-form button,
        .rating-form button {
            width: 100%;
            padding: 0.9rem;
            background: #198754;
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #146c43;
        }
        .longtail-links-section {
            background: #212529;
            padding: 3rem 0;
            color: #adb5bd;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: #343a40;
            padding: 1.2rem;
            border-radius: 6px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background: #495057;
        }
        .web-link a {
            color: #e9ecef;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: #ffd700;
        }
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 2.5rem 0 1.5rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1.5rem;
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            color: #999;
            border-top: 1px solid #444;
            padding-top: 1.5rem;
            width: 100%;
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .article-content { padding: 1.5rem; }
            .article-content h1 { font-size: 2rem; }
            .main-content-wrapper { gap: 1.5rem; }
            .article-meta { flex-direction: column; gap: 0.5rem; }
        }
.data-bar { height: 25px; margin: 10px 0; background: #e9ecef; border-radius: 5px; overflow: hidden; }
                    .bar-fill { height: 100%; background: linear-gradient(90deg, #1e3c72, #2a5298); color: white; text-align: right; padding-right: 10px; font-weight: bold; line-height: 25px; }
