:root {
            --primary-color: #0d4c92;
            --secondary-color: #ff9900;
            --accent-color: #00a86b;
            --dark-bg: #121a2e;
            --light-bg: #f8f9fa;
            --text-dark: #333;
            --text-light: #f1f1f1;
            --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(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
            color: var(--text-light);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary-color);
            text-decoration: none;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .logo span {
            color: var(--text-light);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            background-color: var(--secondary-color);
            color: var(--dark-bg);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--secondary-color);
        }
        .mobile-nav {
            display: none;
            background-color: var(--dark-bg);
            padding: 20px;
            border-top: 2px solid var(--primary-color);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            display: block;
            padding: 12px;
            border-radius: 4px;
            border-left: 4px solid transparent;
            transition: var(--transition);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            border-left-color: var(--secondary-color);
            background-color: rgba(255, 255, 255, 0.05);
        }
        .breadcrumb {
            padding: 12px 0;
            background-color: rgba(255,255,255,0.05);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: #ccc;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--secondary-color);
        }
        .breadcrumb span {
            color: var(--secondary-color);
            margin: 0 8px;
        }
        .search-container {
            background: linear-gradient(to right, var(--accent-color), var(--primary-color));
            padding: 30px 0;
            margin-bottom: 40px;
            border-radius: 10px;
        }
        .search-box {
            max-width: 700px;
            margin: 0 auto;
            position: relative;
        }
        .search-box h2 {
            color: white;
            text-align: center;
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
            box-shadow: var(--shadow);
        }
        .search-box button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 35px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #e68900;
        }
        main {
            padding: 30px 0;
        }
        article {
            background-color: white;
            border-radius: 15px;
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--dark-bg);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--accent-color);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            background-color: #eef5ff;
            padding: 20px;
            border-left: 5px solid var(--secondary-color);
            border-radius: 0 8px 8px 0;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 20px;
            border-radius: 10px;
            border-left: 5px solid var(--secondary-color);
            margin: 25px 0;
        }
        .highlight strong {
            color: #d35400;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 30px auto;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .float-img-right {
            float: right;
            margin: 15px 0 20px 30px;
            max-width: 45%;
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 10px;
        }
        .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .stat-card {
            background: linear-gradient(145deg, var(--primary-color), #1a6bc4);
            color: white;
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-10px);
        }
        .stat-card i {
            font-size: 3rem;
            margin-bottom: 15px;
            color: var(--secondary-color);
        }
        .stat-card h3 {
            color: white;
            margin: 10px 0;
            font-size: 2.5rem;
        }
        .stat-card p {
            margin: 0;
            font-size: 1.1rem;
            opacity: 0.9;
        }
        .cta-button {
            display: inline-block;
            background: linear-gradient(to right, var(--secondary-color), #ff6600);
            color: white;
            text-decoration: none;
            padding: 18px 45px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.2rem;
            margin: 30px 0;
            box-shadow: 0 6px 15px rgba(255, 153, 0, 0.4);
            transition: var(--transition);
            text-align: center;
        }
        .cta-button:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(255, 153, 0, 0.6);
        }
        .button-center {
            text-align: center;
        }
        .interactive-section {
            background-color: #f0f8ff;
            border-radius: 15px;
            padding: 40px;
            margin: 50px 0;
            border: 2px dashed var(--accent-color);
        }
        .rating-form, .comment-form {
            margin-top: 30px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 20px 0;
        }
        .star {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        form label {
            display: block;
            margin: 15px 0 8px;
            font-weight: 600;
            color: var(--primary-color);
        }
        form input, form textarea, form select {
            width: 100%;
            padding: 15px;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        form input:focus, form textarea:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(13, 76, 146, 0.2);
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-row {
            display: flex;
            gap: 20px;
        }
        .form-row .form-group {
            flex: 1;
        }
        .submit-btn {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 18px 40px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #008f5c;
        }
        .long-tail-links {
            background-color: var(--dark-bg);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            border-radius: 8px;
            padding: 25px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 1.1rem;
            display: block;
            line-height: 1.6;
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        footer {
            background-color: #0a1429;
            color: #aaa;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            border-top: 1px solid #2a3a5a;
            padding-top: 20px;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            article { padding: 30px; }
            .float-img-right {
                float: none;
                margin: 25px auto;
                max-width: 80%;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-top { padding: 15px 0; }
            .form-row { flex-direction: column; gap: 0; }
            .stat-box { grid-template-columns: 1fr; }
            .search-box form { flex-direction: column; }
            .search-box input, .search-box button { border-radius: 50px; width: 100%; margin-bottom: 10px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            article { padding: 20px; }
            .interactive-section { padding: 25px; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            .logo a { font-size: 1.8rem; }
            .cta-button { padding: 15px 30px; font-size: 1.1rem; }
            .web-links-container { grid-template-columns: 1fr; }
        }