* { 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, #e9ecef 0%, #f8f9fa 100px, #fff 300px);
            max-width: 100%;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
        }
        @media (min-width: 992px) {
            .main-grid {
                grid-template-columns: 3fr 1fr;
            }
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 50%, #3949ab 100%);
            color: white;
            padding: 1.2rem 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-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
        }
        .my-logo i { color: #ffcc00; }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
            flex-wrap: wrap;
        }
        nav a {
            color: #e3f2fd;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
        }
        nav a:hover, nav a.active {
            color: #ffcc00;
            border-bottom-color: #ffcc00;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                flex-direction: column;
                width: 100%;
                background: #283593;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                gap: 15px;
                display: none;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            nav ul.active { display: flex; }
            .header-container { padding: 0 20px; }
        }
        .breadcrumb {
            padding: 15px 0;
            background: #e8eaf6;
            font-size: 0.9rem;
            margin-bottom: 25px;
        }
        .breadcrumb a {
            color: #3949ab;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb i { margin: 0 8px; color: #757575; }
        main { padding: 20px 0 40px; }
        article {
            background: white;
            border-radius: 12px;
            padding: 35px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.2rem;
            line-height: 1.2;
            border-left: 6px solid #ff9800;
            padding-left: 20px;
        }
        h2 {
            font-size: 2rem;
            color: #283593;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px solid #e0e0e0;
        }
        h3 {
            font-size: 1.6rem;
            color: #3949ab;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #5c6bc0;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            background: #f1f8ff;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #2196f3;
        }
        .highlight {
            background: linear-gradient(120deg, #ffecb3 0%, #ffecb3 100%);
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .note {
            background: #e8f5e9;
            border-left: 4px solid #4caf50;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        ul, ol { margin: 1.2rem 0 1.2rem 2rem; }
        li { margin-bottom: 0.7rem; }
        a.content-link {
            color: #1a237e;
            text-decoration: none;
            border-bottom: 1px dashed #5c6bc0;
            transition: all 0.2s;
            font-weight: 600;
        }
        a.content-link:hover {
            color: #ff9800;
            border-bottom: 1px solid #ff9800;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 25px auto;
            display: block;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.4s ease;
        }
        .article-img:hover { transform: scale(1.01); }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -15px;
            margin-bottom: 25px;
            font-size: 0.95rem;
        }
        aside {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 30px;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #1a237e;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid #ffcc00;
        }
        .search-form { display: flex; }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #c5cae9;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-btn {
            background: #3949ab;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #283593; }
        .comment-form, .rating-form {
            background: #f5f7ff;
            padding: 20px;
            border-radius: 8px;
            margin-top: 25px;
        }
        .form-group { margin-bottom: 15px; }
        .form-label { display: block; margin-bottom: 5px; font-weight: 600; }
        .form-input, .form-textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #c5cae9;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea { min-height: 120px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(to right, #ff9800, #ff5722);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .submit-btn:hover { opacity: 0.9; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffcc00; }
        footer {
            background: #1a237e;
            color: #e3f2fd;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-title {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: #ffcc00;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: #bbdefb;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover { color: #ffcc00; }
        friend-link {
            display: block;
            background: #283593;
            padding: 12px 15px;
            margin-bottom: 10px;
            border-radius: 6px;
        }
        friend-link a {
            color: #fff;
            font-weight: 600;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #90a4ae;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 25px 20px; }
            .container { padding: 0 15px; }
        }
        .text-center { text-align: center; }
        .last-updated {
            font-size: 0.9rem;
            color: #757575;
            margin-top: 30px;
            padding-top: 15px;
            border-top: 1px dashed #ddd;
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }