* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.8;
            color: var(--dark);
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            min-height: 100vh;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, var(--primary) 0%, #1e40af 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--primary);
            padding: 1rem;
            border-radius: var(--radius);
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: var(--light);
            padding: 1rem;
            border-radius: var(--radius);
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 3px solid var(--accent);
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            gap: 1rem;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .content-section {
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #e2e8f0;
        }
        h2 {
            color: var(--primary);
            font-size: 2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--accent);
        }
        h3 {
            color: var(--secondary);
            font-size: 1.5rem;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #334155;
        }
        .highlight {
            background: linear-gradient(120deg, #fef3c7 0%, #fde68a 100%);
            padding: 1.5rem;
            border-left: 4px solid var(--accent);
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .highlight h3 {
            color: #92400e;
            margin-top: 0;
        }
        .internal-links {
            background: #eff6ff;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .internal-links h3 {
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .link-card {
            background: white;
            padding: 1rem;
            border-radius: var(--radius);
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
            border: 1px solid #dbeafe;
        }
        .link-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(30, 58, 138, 0.1);
            border-color: var(--accent);
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            height: fit-content;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #cbd5e1;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        button {
            background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(220, 38, 38, 0.2);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating i {
            color: #e2e8f0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .rating i:hover,
        .rating i.active {
            color: #fbbf24;
        }
        .comments-section {
            margin-top: 3rem;
        }
        .comment {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin-bottom: 1.5rem;
            border-left: 3px solid var(--primary);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            color: var(--gray);
            font-size: 0.9rem;
        }
        footer {
            background: linear-gradient(90deg, var(--dark) 0%, #1e293b 100%);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent);
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
            padding: 0.3rem 0;
            display: inline-block;
        }
        friend-link a:hover {
            color: white;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            .header-content {
                flex-wrap: wrap;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-section {
            animation: fadeIn 0.6s ease-out forwards;
        }
        .content-section:nth-child(2) { animation-delay: 0.1s; }
        .content-section:nth-child(3) { animation-delay: 0.2s; }
        .content-section:nth-child(4) { animation-delay: 0.3s; }
        img {
            loading: lazy;
        }