:root {
            --primary-dark: #0a2a4a;
            --primary-accent: #ffcc00;
            --secondary-accent: #00a6ff;
            --light-bg: #f8f9fa;
            --dark-text: #222222;
            --light-text: #f8f9fa;
            --border-color: #ddd;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            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: var(--dark-text);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-dark);
            color: var(--light-text);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-accent);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--light-text);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: var(--primary-accent);
            border-bottom-color: var(--primary-accent);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-accent);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary-dark);
            padding: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            font-weight: 600;
            display: block;
            padding: 10px;
            border-radius: 5px;
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 204, 0, 0.1);
            color: var(--primary-accent);
        }
        .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:hover {
            color: var(--secondary-accent);
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(10, 42, 74, 0.9), rgba(10, 42, 74, 0.8)), url('https://images.unsplash.com/photo-1534423861386-85a16f5d13fd?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: var(--light-text);
            text-align: center;
            padding: 80px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: var(--primary-accent);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .content-area {
            background-color: #fff;
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: var(--light-bg);
            padding: 25px;
            border-radius: 10px;
            height: fit-content;
        }
        h1, h2, h3, h4 {
            color: var(--primary-dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--primary-accent);
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: var(--secondary-accent);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #555;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 5px solid var(--primary-accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .search-box, .comment-form, .rating-form {
            background-color: var(--light-bg);
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--primary-dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary-accent);
            box-shadow: 0 0 0 3px rgba(0, 166, 255, 0.2);
        }
        button, .btn {
            background-color: var(--primary-accent);
            color: var(--primary-dark);
            border: none;
            padding: 14px 28px;
            border-radius: 5px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background-color: #e6b800;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .article-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 30px 0;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .longtail-links {
            background-color: var(--primary-dark);
            padding: 40px 20px;
            margin-top: 60px;
        }
        .web-link {
            display: inline-block;
            background-color: rgba(255,255,255,0.1);
            color: var(--light-text);
            padding: 12px 25px;
            margin: 8px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: var(--primary-accent);
            color: var(--primary-dark);
            transform: scale(1.05);
        }
        footer {
            background-color: #111;
            color: #aaa;
            text-align: center;
            padding: 40px 20px;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            color: #777;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            .content-area, .sidebar {
                padding: 20px;
            }
        }