* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #fdbb2d;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-mobile {
            display: none;
        }
        @media (max-width: 768px) {
            .nav-mobile {
                display: block;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .nav-link:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .hamburger {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            display: none;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #1a2a6c;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1000;
        }
        .mobile-menu.active {
            display: flex;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #e9ecef;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: #6c757d;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #1a2a6c;
        }
        .search-container {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 12px;
            border: 2px solid #e9ecef;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-btn {
            background: #1a2a6c;
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-btn:hover {
            background: #152258;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .article-header {
            margin-bottom: 2rem;
        }
        .article-title {
            font-size: 2.5rem;
            color: #1a2a6c;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 1rem;
            color: #6c757d;
            margin-bottom: 1rem;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .section-title {
            font-size: 1.8rem;
            color: #1a2a6c;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #fdbb2d;
        }
        .highlight {
            background: #fff3cd;
            padding: 1rem;
            border-left: 4px solid #ffc107;
            margin: 1rem 0;
            border-radius: 0 5px 5px 0;
        }
        .tip-box {
            background: #d1ecf1;
            padding: 1rem;
            border-radius: 5px;
            margin: 1rem 0;
            border-left: 4px solid #0dcaf0;
        }
        .download-steps {
            display: grid;
            gap: 1rem;
            margin: 2rem 0;
        }
        .step {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #1a2a6c;
        }
        .step-number {
            background: #1a2a6c;
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .widget-title {
            font-size: 1.2rem;
            color: #1a2a6c;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #e9ecef;
        }
        .rating-system {
            text-align: center;
            padding: 1rem;
            background: #f8f9fa;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .comment-system {
            margin: 3rem 0;
        }
        .comment-form {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: #1a2a6c;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s;
        }
        .submit-btn:hover {
            background: #152258;
        }
        .footer-links {
            background: #343a40;
            color: white;
            padding: 3rem 0;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: #495057;
            padding: 1rem;
            border-radius: 5px;
            transition: transform 0.3s;
        }
        .web-link:hover {
            transform: translateY(-2px);
            background: #5a6268;
        }
        .web-link a {
            color: white;
            text-decoration: none;
        }
        footer {
            background: #212529;
            color: white;
            text-align: center;
            padding: 2rem 0;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-link {
            color: white;
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        .social-link:hover {
            color: #fdbb2d;
        }
        .text-center {
            text-align: center;
        }
        .text-bold {
            font-weight: bold;
        }
        .text-highlight {
            color: #1a2a6c;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
        }