* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-red: #E53935;
            --primary-blue: #1E88E5;
            --primary-green: #43A047;
            --primary-yellow: #FDD835;
            --primary-black: #212121;
            --bg-light: #f8f9fa;
            --text-dark: #333;
            --text-light: #666;
            --border-color: #ddd;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-red);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary-red);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: #c62828;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-red), var(--primary-blue), var(--primary-green), var(--primary-yellow));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: var(--primary-black);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            border-bottom: 3px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary-red);
            border-bottom-color: var(--primary-red);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary-black);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f1f1f1;
            padding: 12px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-red);
        }
        .breadcrumb span {
            color: var(--text-light);
            margin: 0 8px;
        }
        .search-section {
            background: linear-gradient(135deg, #1E88E5, #0D47A1);
            padding: 40px 20px;
            color: white;
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 20px;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            box-shadow: var(--shadow);
        }
        .search-btn {
            padding: 0 30px;
            background-color: var(--primary-red);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #b71c1c;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background-color: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 25px;
            margin-bottom: 35px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-black);
            line-height: 1.2;
            margin-bottom: 15px;
        }
        .meta-info {
            color: var(--text-light);
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .meta-info i {
            margin-right: 8px;
        }
        .last-updated {
            color: var(--primary-green);
            font-weight: 600;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-green);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--primary-yellow);
            background-color: #fffde7;
            padding: 10px 15px;
            border-left: 5px solid var(--primary-yellow);
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        strong {
            color: var(--primary-black);
            font-weight: 700;
        }
        .highlight-box {
            background-color: #e3f2fd;
            border-left: 5px solid var(--primary-blue);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .card-emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        .image-with-caption {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
        }
        .image-with-caption img {
            border-radius: 10px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        .caption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 10px;
        }
        .internal-links {
            background-color: #f5f5f5;
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
        }
        .internal-links h4 {
            background: none;
            border-left: none;
            padding: 0;
            margin-top: 0;
            color: var(--primary-black);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--primary-red);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dotted #eee;
        }
        .related-links a {
            display: block;
            padding: 8px 5px;
        }
        .related-links a:hover {
            background-color: #f9f9f9;
            padding-left: 15px;
        }
        .rating-section, .comments-section {
            background-color: white;
            padding: 35px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 20px;
            margin-top: 20px;
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ccc;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #FFD700;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        footer {
            background-color: var(--primary-black);
            color: #bbb;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-red), var(--primary-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 15px;
        }
        .footer-heading {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #bbb;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #333;
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 10px;
            border-left: 4px solid var(--primary-blue);
        }
        friend-link a {
            color: #ddd;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 80px);
                background-color: white;
                flex-direction: column;
                padding: 30px;
                box-shadow: var(--shadow);
                transition: left 0.4s ease;
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid #eee;
            }
            .main-nav a {
                display: block;
                padding: 18px 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                padding: 18px;
            }
            article {
                padding: 25px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }