:root {
            --primary: #e63946;
            --secondary: #1d3557;
            --accent: #f4a261;
            --light: #f1faee;
            --dark: #1a1a2e;
            --gray: #8d99ae;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: var(--light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(29, 53, 87, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary);
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--light);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .logo:hover {
            color: var(--accent);
            transform: scale(1.05);
        }
        .logo i {
            color: var(--primary);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .nav-link {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 16px;
            border-radius: 6px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }
        .nav-link.active {
            background: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px;
            transition: var(--transition);
        }
        .hamburger:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: rgba(29, 53, 87, 0.98);
            backdrop-filter: blur(10px);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 1.2rem;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.05);
            padding: 15px 0;
            margin-bottom: 30px;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 10px;
            color: var(--gray);
        }
        .search-container {
            max-width: 600px;
            margin: 40px auto;
            padding: 20px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 18px 24px;
            border: 2px solid transparent;
            border-radius: 50px;
            font-size: 1.1rem;
            background: rgba(255, 255, 255, 0.1);
            color: var(--light);
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
        }
        .search-button {
            padding: 18px 35px;
            background: linear-gradient(135deg, var(--primary), #ff6b6b);
            color: white;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding: 40px 20px;
            background: linear-gradient(rgba(29, 53, 87, 0.8), rgba(29, 53, 87, 0.9));
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--light);
            margin-bottom: 20px;
            line-height: 1.3;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: var(--gray);
            font-size: 0.95rem;
            margin-top: 20px;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .content-section {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .content-section:hover {
            border-color: rgba(244, 162, 97, 0.3);
            transform: translateY(-5px);
        }
        h2 {
            color: var(--accent);
            font-size: 2.2rem;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid rgba(244, 162, 97, 0.3);
        }
        h3 {
            color: var(--light);
            font-size: 1.8rem;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.15rem;
            line-height: 1.9;
            color: #e2e8f0;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(230, 57, 70, 0.2) 0%, transparent 100%);
            padding: 25px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--primary);
            margin: 30px 0;
        }
        .highlight strong {
            color: var(--accent);
            font-size: 1.2rem;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .feature-card {
            background: rgba(255, 255, 255, 0.08);
            padding: 30px;
            border-radius: var(--border-radius);
            text-align: center;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .feature-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary);
            transform: translateY(-8px);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .download-box {
            text-align: center;
            background: linear-gradient(135deg, #1d3557, #0f172a);
            padding: 50px;
            border-radius: var(--border-radius);
            border: 2px dashed var(--accent);
            margin: 50px 0;
        }
        .download-button {
            display: inline-flex;
            align-items: center;
            gap: 15px;
            background: linear-gradient(135deg, #25d366, #128c7e);
            color: white;
            padding: 20px 45px;
            font-size: 1.3rem;
            font-weight: 700;
            text-decoration: none;
            border-radius: 50px;
            margin-top: 30px;
            transition: var(--transition);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
            70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
            100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
        }
        .download-button:hover {
            transform: scale(1.08);
            box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 40px 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            border: 3px solid transparent;
        }
        .article-image:hover {
            transform: scale(1.02);
            border-color: var(--accent);
        }
        .rating-section {
            background: rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: var(--border-radius);
            margin: 50px 0;
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 2.5rem;
            color: #ffd700;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.3);
            color: #ffed4e;
        }
        .rating-form {
            max-width: 500px;
            margin: 30px auto;
        }
        .form-group {
            margin-bottom: 25px;
            text-align: left;
        }
        .form-input {
            width: 100%;
            padding: 18px;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid transparent;
            border-radius: 8px;
            color: var(--light);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.15);
        }
        .submit-button {
            background: linear-gradient(135deg, var(--primary), #ff6b6b);
            color: white;
            border: none;
            padding: 18px 45px;
            font-size: 1.2rem;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
        }
        .comments-section {
            margin-top: 60px;
        }
        .comment {
            background: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 25px;
            border-left: 4px solid var(--gray);
            transition: var(--transition);
        }
        .comment:hover {
            border-left-color: var(--accent);
            background: rgba(255, 255, 255, 0.08);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .long-tail-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 60px 0;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link a {
            color: var(--accent);
            text-decoration: none;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(10px);
        }
        .web-link a:hover {
            color: var(--primary);
        }
        footer {
            background: rgba(15, 23, 42, 0.98);
            padding: 60px 0 30px;
            margin-top: 80px;
            border-top: 3px solid var(--primary);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--light);
            font-size: 1.4rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 15px;
        }
        .footer-links a {
            color: var(--gray);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray);
            font-size: 0.95rem;
        }
        .text-center { text-align: center; }
        .mb-30 { margin-bottom: 30px; }
        .mt-40 { margin-top: 40px; }
        .emoji { font-size: 1.3rem; margin-right: 8px; }
        .keyword { color: var(--accent); font-weight: 700; background: rgba(244, 162, 97, 0.1); padding: 2px 8px; border-radius: 4px; }
        @media print {
            .search-container,
            .rating-section,
            .comments-section,
            .long-tail-links,
            footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            .content-section {
                background: white;
                color: black;
                box-shadow: none;
                border: 1px solid #ddd;
            }
        }