* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            background-image: linear-gradient(to bottom, #e3f2fd, #f8f9fa 200px);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #1a73e8; text-decoration: none; transition: color 0.3s ease, background-color 0.3s ease; }
        a:hover { color: #0d47a1; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: 700; }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #311b92 100%);
            color: white;
            padding: 1rem 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;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffeb3b;
            text-shadow: 2px 2px 0 #7b1fa2;
            letter-spacing: 1px;
        }
        .my-logo:hover { text-decoration: none; color: #ffd740; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #e3f2fd;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e8eaf6;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #666;
        }
        .breadcrumb a { color: #5c6bc0; }
        .main-content {
            flex: 1;
            padding: 2.5rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
        }
        article h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffeb3b;
            padding-bottom: 0.5rem;
        }
        article h2 {
            font-size: 2rem;
            color: #311b92;
            margin: 2.5rem 0 1.2rem;
            padding-top: 0.5rem;
        }
        article h3 {
            font-size: 1.6rem;
            color: #5c6bc0;
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.3rem;
            color: #7986cb;
            margin: 1.8rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.4rem;
            text-align: justify;
            hyphens: auto;
        }
        article emoji { font-size: 1.2em; margin-right: 5px; }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            border-left: 5px solid #7b1fa2;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .last-updated {
            font-style: italic;
            color: #666;
            background-color: #f5f5f5;
            padding: 0.8rem;
            border-radius: 5px;
            margin-top: 3rem;
            text-align: center;
        }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #1a237e;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffeb3b;
        }
        .widget { margin-bottom: 2.5rem; }
        .widget:last-child { margin-bottom: 0; }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group { display: flex; flex-direction: column; }
        label { margin-bottom: 0.4rem; font-weight: 600; color: #444; }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #5c6bc0;
            box-shadow: 0 0 0 3px rgba(92, 107, 192, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #5c6bc0, #3949ab);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #3949ab, #283593);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            font-size: 1.8rem;
            gap: 5px;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffc107; }
        .site-footer {
            background: #1a237e;
            color: #e3f2fd;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffeb3b;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: #bbdefb; }
        .footer-links a:hover { color: #ffeb3b; }
        friend-link {
            display: block;
            background: #283593;
            padding: 1rem;
            border-radius: 6px;
            margin: 1rem 0;
        }
        friend-link a { color: #ffcc80; font-weight: 600; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #90caf9;
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .hamburger { display: block; align-self: flex-end; margin-top: -3rem; }
            .main-nav { width: 100%; margin-top: 1rem; display: none; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0; }
            .main-nav li { width: 100%; }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            article { padding: 1.5rem; }
            article h1 { font-size: 2.2rem; }
            article h2 { font-size: 1.8rem; }
        }