* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        a { color: #2a6496; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #d9534f; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(90deg, #1a2980 0%, #26d0ce 100%);
            color: white;
            padding: 1.5rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(45deg, #ffd700, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .logo a { background: none; -webkit-text-fill-color: inherit; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .main-nav a:hover {
            background: rgba(255,255,255,0.2);
            color: #ffd700;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e9f4ff;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #c3d9ff;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #1a2980; }
        .container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .main-content {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 15px;
            border-left: 5px solid #26d0ce;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        article h1 {
            font-size: 2.8rem;
            color: #1a2980;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 0.5rem;
        }
        article h2 {
            font-size: 2rem;
            color: #2a6496;
            margin: 2.5rem 0 1rem;
            padding-left: 0.8rem;
            border-left: 5px solid #ff8c00;
        }
        article h3 {
            font-size: 1.5rem;
            color: #444;
            margin: 2rem 0 1rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: #fffacd;
            padding: 1.5rem;
            border-left: 4px solid #ffd700;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .note {
            background: #e7f3ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px dashed #2a6496;
        }
        .feature-img {
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            max-width: 800px;
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            padding: 0.8rem;
            color: #666;
            background: #f9f9f9;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: 5px 5px 15px #d9d9d9, -5px -5px 15px #ffffff;
        }
        .stat-card i { font-size: 2.5rem; color: #26d0ce; margin-bottom: 1rem; }
        .btn {
            display: inline-block;
            background: linear-gradient(45deg, #1a2980, #26d0ce);
            color: white;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(38, 208, 206, 0.4);
        }
        .widget { margin-bottom: 2.5rem; }
        .widget h3 {
            color: #1a2980;
            border-bottom: 2px solid #ffd700;
            padding-bottom: 0.5rem;
            margin-bottom: 1.2rem;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 0.9rem;
            border: 2px solid #26d0ce;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-box button {
            background: #26d0ce;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.2rem;
        }
        .popular-links ul {
            list-style: none;
        }
        .popular-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #ccc;
        }
        .popular-links a { display: block; }
        .comments-section, .rating-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 3rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #ffd700;
        }
        .rating-stars i { cursor: pointer; }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
        }
        .comment-form button { background: #1a2980; }
        .web-links {
            background: #1a2980;
            padding: 2.5rem;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 1.2rem;
            border-radius: 8px;
            text-align: center;
        }
        .web-link a {
            color: #ffd700;
            font-weight: 600;
        }
        .site-footer {
            background: #111;
            color: #bbb;
            padding: 3rem 2rem;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright { font-size: 0.9rem; color: #888; }
        @media (max-width: 1024px) {
            .container { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .main-nav ul { display: none; flex-direction: column; width: 100%; background: #1a2980; position: absolute; top: 100%; left: 0; padding: 1rem; }
            .main-nav.active ul { display: flex; }
            .mobile-toggle { display: block; }
            .header-container { flex-wrap: wrap; }
            .container { padding: 0 1rem; }
            .main-content { padding: 1.5rem; }
            article h1 { font-size: 2.2rem; }
        }