* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a73e8;
            --secondary: #0d47a1;
            --accent: #fbbc05;
            --dark: #202124;
            --light: #f8f9fa;
            --gray: #5f6368;
            --border: #dadce0;
            --success: #34a853;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fff;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 60px 0;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background-color: rgba(251, 188, 5, 0.2);
            padding: 2px 6px;
            border-radius: 3px;
        }
        .emoji { font-size: 1.2em; }
        .site-header {
            background-color: var(--dark);
            color: white;
            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;
            padding: 15px 20px;
        }
        .logo a {
            color: white;
            font-size: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        .nav-desktop a {
            color: #e8eaed;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--accent);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--dark);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #e8eaed;
            padding: 12px 0;
            border-bottom: 1px solid #333;
            font-weight: 500;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #f1f3f4;
            padding: 12px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 100%);
            color: white;
            padding: 80px 0;
            margin-bottom: 40px;
        }
        .hero-content h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .hero-content h1 { font-size: 2.2rem; }
        }
        .hero-content p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content h2 {
            font-size: 2.2rem;
            margin: 50px 0 20px;
            color: var(--secondary);
            border-bottom: 2px solid var(--border);
            padding-bottom: 10px;
        }
        .article-content h3 {
            font-size: 1.7rem;
            margin: 40px 0 15px;
            color: var(--dark);
        }
        .article-content h4 {
            font-size: 1.4rem;
            margin: 30px 0 10px;
            color: var(--gray);
        }
        .article-content p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.5em;
            padding-left: 2em;
        }
        .article-content li {
            margin-bottom: 0.5em;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding-left: 20px;
            margin: 30px 0;
            font-style: italic;
            color: var(--gray);
            background-color: rgba(251, 188, 5, 0.05);
            padding: 20px;
        }
        .featured-image {
            margin: 40px 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-size: 0.9rem;
            color: var(--gray);
            padding: 10px;
            background-color: #f9f9f9;
        }
        .internal-link {
            color: var(--secondary);
            font-weight: 600;
            border-bottom: 1px dashed var(--secondary);
        }
        .internal-link:hover {
            border-bottom-style: solid;
        }
        .stats-box {
            background-color: #e8f0fe;
            border-left: 5px solid var(--primary);
            padding: 20px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-box h4 {
            margin-top: 0;
            color: var(--primary);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: #f8f9fa;
            border-radius: 10px;
            padding: 25px;
            border: 1px solid var(--border);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--secondary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-right: none;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--secondary);
        }
        .quick-links ul {
            list-style: none;
            padding-left: 0;
        }
        .quick-links li {
            margin-bottom: 12px;
        }
        .quick-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            background-color: white;
            border-radius: 5px;
            border: 1px solid transparent;
        }
        .quick-links a:hover {
            border-color: var(--primary);
            background-color: #e8f0fe;
        }
        .quick-links i {
            color: var(--primary);
        }
        .interaction-section {
            background-color: #f8f9fa;
            border-radius: 15px;
            padding: 40px;
            margin: 60px 0;
            border: 1px solid var(--border);
        }
        .interaction-section h2 {
            text-align: center;
            margin-bottom: 30px;
            color: var(--secondary);
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .rating {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin: 20px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: var(--accent);
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            display: block;
            width: 100%;
            transition: var(--transition);
            font-weight: 600;
        }
        .submit-btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(26, 115, 232, 0.25);
        }
        .site-footer {
            background-color: var(--dark);
            color: #e8eaed;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .footer-logo a {
            color: white;
        }
        .footer-about p {
            margin-bottom: 20px;
            opacity: 0.8;
        }
        .friend-links h4, .footer-links h4 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: white;
            position: relative;
            padding-bottom: 10px;
        }
        .friend-links h4::after, .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--accent);
        }
        friend-link {
            display: block;
            margin-bottom: 12px;
        }
        friend-link a {
            color: #bdc1c6;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #bdc1c6;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            opacity: 0.7;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .hero { padding: 50px 0; }
            .section-padding { padding: 40px 0; }
            .interaction-section { padding: 25px; }
            .footer-content { grid-template-columns: 1fr; }
        }