* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary), var(--dark));
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .my-logo:hover {
            color: var(--accent);
            transform: scale(1.02);
            transition: var(--transition);
        }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 86px;
                left: 0;
                width: 100%;
                background-color: var(--primary);
                flex-direction: column;
                align-items: center;
                padding: 2rem 0;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                width: 90%;
                gap: 1rem;
            }
            .main-nav a {
                display: block;
                text-align: center;
                padding: 15px;
                border: 1px solid rgba(255, 255, 255, 0.1);
                width: 100%;
            }
        }
        .search-section {
            background: linear-gradient(to right, #f0f9ff, #e0f2fe);
            padding: 3rem 0;
            text-align: center;
            border-radius: 12px;
            margin: 2rem 0;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 0;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(30, 58, 138, 0.15);
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #b91c1c;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--accent);
            padding-bottom: 15px;
        }
        h2 {
            color: var(--dark);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid var(--secondary);
        }
        h3 {
            color: var(--primary);
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--gray);
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--primary);
            font-weight: 600;
            background-color: #f1f5f9;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid var(--accent);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 2rem;
            border-radius: 10px;
            border: 2px dashed var(--accent);
            margin: 2rem 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #1e3a8a, #312e81);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent);
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }
        .content-link {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted transparent;
            transition: var(--transition);
        }
        .content-link:hover {
            border-bottom-color: var(--secondary);
            color: #b91c1c;
        }
        .article-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            border: 5px solid white;
            transition: transform 0.5s;
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
        }
        .sidebar {
            background-color: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: var(--secondary);
            border-bottom: 3px solid var(--accent);
            padding-bottom: 10px;
            margin-bottom: 1.5rem;
        }
        .sidebar ul {
            list-style: none;
            margin-bottom: 2rem;
        }
        .sidebar li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #e2e8f0;
        }
        .sidebar a {
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .sidebar a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .sidebar i {
            color: var(--accent);
        }
        .user-interaction {
            background-color: white;
            padding: 2.5rem;
            border-radius: 15px;
            margin: 3rem 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .interaction-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            margin-bottom: 2rem;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0 2rem;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .rating-stars .active {
            color: var(--accent);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 15px 35px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .submit-button:hover {
            background-color: var(--dark);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(30, 58, 138, 0.3);
        }
        .site-footer {
            background-color: var(--dark);
            color: white;
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 1.5rem;
            color: var(--accent);
        }
        .friend-links {
            margin: 2rem 0;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            color: #cbd5e1;
            padding: 8px 15px;
            margin: 0 10px 10px 0;
            border-radius: 6px;
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: var(--accent);
            color: var(--dark);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .last-updated {
            background-color: #dcfce7;
            color: #166534;
            padding: 15px;
            border-radius: 8px;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-image {
                max-height: 300px;
            }
            .search-form {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-input,
            .search-button {
                width: 100%;
                border-radius: 0;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        .key-term {
            background-color: #dbeafe;
            color: var(--primary);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 700;
        }
        .insight-box {
            border-left: 5px solid var(--secondary);
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            background: linear-gradient(to right, #fef2f2, white);
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
        }