* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #0056a6;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #e31837;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section, article, header, footer, nav, aside {
            display: block;
        }
        h1, h2, h3, h4 {
            font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
            margin-bottom: 1rem;
            line-height: 1.3;
            color: #1a365d;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 1.5rem;
            border-bottom: 4px solid #e31837;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            color: #0056a6;
            border-left: 5px solid #e31837;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: #2d3748;
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: #4a5568;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 300;
            color: #4a5568;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
        }
        .term {
            font-weight: bold;
            color: #0056a6;
        }
        .quote {
            font-style: italic;
            border-left: 4px solid #ccc;
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #555;
        }
        .author {
            text-align: right;
            font-weight: bold;
            color: #333;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0a2351 0%, #1a365d 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: #ffd100;
        }
        .logo-icon {
            color: #e31837;
        }
        .main-nav {
            display: flex;
            flex-grow: 1;
            justify-content: flex-end;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .nav-list a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            position: relative;
        }
        .nav-list a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffd100;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: #e31837;
            transition: width 0.3s;
        }
        .nav-list a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 1rem 0;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #718096;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb a:hover {
            color: #e31837;
            text-decoration: underline;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-content {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            background-color: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 0.8rem;
            background-color: #f1f5f9;
            color: #4a5568;
            font-size: 0.9rem;
        }
        .link-block {
            background-color: #f0f9ff;
            border: 1px solid #bae6fd;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .link-block h3 {
            grid-column: 1 / -1;
            color: #0369a1;
            margin-top: 0;
        }
        .link-item {
            padding: 0.8rem;
            background-color: white;
            border-radius: 6px;
            border-left: 4px solid #e31837;
        }
        .link-item:hover {
            background-color: #e6f7ff;
        }
        .form-section {
            background-color: #f7fafc;
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
        }
        .form-section h2 {
            border-left: none;
            padding-left: 0;
            color: #1a365d;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2d3748;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #0056a6;
            box-shadow: 0 0 0 3px rgba(0, 86, 166, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #0056a6, #0a2351);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #e31837, #b5122b);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd100;
            margin: 1rem 0;
        }
        .star-rating i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.3rem;
            border-bottom: 2px solid #e31837;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .widget ul {
            list-style: none;
        }
        .widget li {
            padding: 0.7rem 0;
            border-bottom: 1px dashed #e2e8f0;
        }
        .widget li:last-child {
            border-bottom: none;
        }
        .widget a {
            color: #4a5568;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .widget a:hover {
            color: #e31837;
        }
        .fact-box {
            background: linear-gradient(135deg, #fcefee 0%, #f0f9ff 100%);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #e31837;
        }
        .fact-box h4 {
            color: #e31837;
            margin-top: 0;
        }
        .site-footer {
            background: #1a365d;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo a {
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
        }
        .footer-logo p {
            margin-top: 1rem;
            color: #a0aec0;
        }
        .friend-links {
            margin: 2rem 0;
            padding: 1.5rem;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
        }
        friend-link {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            list-style: none;
        }
        friend-link a {
            color: #90cdf4;
            padding: 0.5rem;
            border-radius: 4px;
            transition: all 0.3s;
            display: block;
        }
        friend-link a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .nav-list {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }
            .nav-list li {
                width: 100%;
            }
            .nav-list a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav-list a::after {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .main-nav.active {
                display: block;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo {
                width: 100%;
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 14px;
            }
            .main-content, .sidebar, .form-section {
                padding: 1.5rem;
            }
            .link-block {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .main-content, .sidebar, .form-section {
            animation: fadeIn 0.8s ease-out;
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }