:root {
            --primary-dark: #1a1a2e;
            --secondary-dark: #16213e;
            --accent-purple: #6a11cb;
            --accent-blue: #2575fc;
            --accent-red: #ff416c;
            --accent-gold: #ffd700;
            --text-light: #f8f9fa;
            --text-gray: #adb5bd;
            --border-color: #2d3748;
            --shadow-color: rgba(106, 17, 203, 0.15);
        }
        * {
            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-light);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        .header {
            background: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--accent-purple);
            box-shadow: 0 4px 20px var(--shadow-color);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            transition: transform 0.3s ease;
        }
        .logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 2.5rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.3s ease;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
            transition: width 0.3s ease;
        }
        .nav-link:hover {
            color: var(--accent-gold);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--secondary-dark);
            position: absolute;
            top: 80px;
            left: 0;
            right: 0;
            padding: 1.5rem;
            border-top: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .nav-mobile.active {
            display: flex;
        }
        .mobile-nav-link {
            color: var(--text-light);
            text-decoration: none;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-color);
            font-weight: 600;
            transition: color 0.3s ease;
        }
        .mobile-nav-link:hover {
            color: var(--accent-gold);
        }
        .breadcrumb {
            max-width: 1400px;
            margin: 1rem auto;
            padding: 0 2rem;
        }
        .breadcrumb-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
            color: var(--text-gray);
            font-size: 0.95rem;
        }
        .breadcrumb-links a {
            color: var(--accent-blue);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .breadcrumb-links a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        .main-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 3rem;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 40px var(--shadow-color);
        }
        .article-header {
            margin-bottom: 3rem;
            border-bottom: 2px solid var(--accent-purple);
            padding-bottom: 2rem;
        }
        .article-title {
            font-size: 2.8rem;
            margin-bottom: 1rem;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 2rem;
            color: var(--text-gray);
            font-size: 0.95rem;
            margin-top: 1rem;
        }
        .article-meta i {
            margin-right: 0.5rem;
        }
        .section {
            margin-bottom: 3.5rem;
            scroll-margin-top: 2rem;
        }
        .section-title {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--accent-blue);
            color: var(--accent-gold);
        }
        .subsection-title {
            font-size: 1.4rem;
            margin: 2rem 0 1rem 0;
            color: var(--text-light);
        }
        .paragraph {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: var(--text-gray);
        }
        .highlight {
            background: linear-gradient(90deg, rgba(106, 17, 203, 0.2), rgba(37, 117, 252, 0.2));
            padding: 1.5rem;
            border-left: 4px solid var(--accent-purple);
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .article-image {
            max-width: 100%;
            border-radius: 10px;
            border: 2px solid var(--accent-purple);
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
            transition: transform 0.3s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 1rem;
            color: var(--text-gray);
            font-style: italic;
            font-size: 0.95rem;
        }
        .search-section {
            background: rgba(26, 26, 46, 0.7);
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border: 1px solid var(--border-color);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid var(--accent-purple);
            border-right: none;
            border-radius: 50px 0 0 50px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            padding: 1rem 2rem;
            background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: transform 0.3s ease;
        }
        .search-button:hover {
            transform: scale(1.05);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 4rem 0;
        }
        .comment-section, .rating-section {
            background: rgba(255, 255, 255, 0.05);
            padding: 2rem;
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-light);
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s ease;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: var(--accent-purple);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: transform 0.3s ease;
        }
        .submit-button:hover {
            transform: translateY(-3px);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .star:hover,
        .star.active {
            color: var(--accent-gold);
        }
        .sidebar {
            position: sticky;
            top: 100px;
            height: fit-content;
        }
        @media (max-width: 1024px) {
            .sidebar {
                position: static;
                margin-top: 3rem;
            }
        }
        .sidebar-widget {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            border: 1px solid var(--border-color);
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--accent-gold);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 0.5rem;
        }
        .related-links {
            list-style: none;
        }
        .related-link {
            margin-bottom: 0.8rem;
        }
        .related-link a {
            color: var(--text-light);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: color 0.3s ease;
        }
        .related-link a:hover {
            color: var(--accent-gold);
        }
        .footer-links-section {
            max-width: 1400px;
            margin: 4rem auto 0;
            padding: 0 2rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
            border-color: var(--accent-purple);
        }
        .web-link a {
            color: var(--accent-blue);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .web-link a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        .footer {
            background: rgba(22, 33, 62, 0.95);
            border-top: 2px solid var(--accent-purple);
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            color: var(--text-gray);
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            width: 100%;
            font-size: 0.9rem;
        }
        .keyword {
            color: var(--accent-gold);
            font-weight: 600;
        }
        .emphasis {
            color: var(--accent-red);
            font-weight: 700;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--accent-purple), var(--accent-red));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
            margin: 0 0.5rem;
        }
        @media (max-width: 768px) {
            .header-container,
            .breadcrumb,
            .main-container {
                padding: 0 1rem;
            }
            .content-area {
                padding: 2rem 1.5rem;
            }
            .article-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .footer-links-section {
                padding: 0 1rem;
            }
        }
        @media (max-width: 480px) {
            .article-title {
                font-size: 1.7rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 50px;
                border-right: 2px solid var(--accent-purple);
                margin-bottom: 1rem;
            }
            .search-button {
                border-radius: 50px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out forwards;
        }
        .delayed-1 { animation-delay: 0.2s; opacity: 0; }
        .delayed-2 { animation-delay: 0.4s; opacity: 0; }
        .delayed-3 { animation-delay: 0.6s; opacity: 0; }
