* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            background-image: linear-gradient(to bottom, #e3f2fd 0%, #f8f9fa 100px);
            padding-bottom: 40px;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #1a237e; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 2rem; text-align: center; border-bottom: 4px double #3949ab; padding-bottom: 1rem; }
        h2 { font-size: 2.2rem; margin-top: 3rem; padding-left: 10px; border-left: 6px solid #5c6bc0; }
        h3 { font-size: 1.8rem; margin-top: 2.5rem; color: #303f9f; }
        h4 { font-size: 1.5rem; margin-top: 2rem; color: #5c6bc0; }
        p { margin-bottom: 1.5rem; text-align: justify; hyphens: auto; }
        a { color: #3949ab; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #1a237e; text-decoration: underline; }
        strong { color: #d32f2f; font-weight: 700; }
        em { font-style: italic; color: #555; }
        blockquote { border-left: 5px solid #ff9800; padding-left: 20px; margin: 2rem; font-style: italic; color: #555; background-color: #fffde7; padding: 1.5rem; border-radius: 0 8px 8px 0; }
        .container {
            display: grid;
            grid-template-columns: 1fr minmax(0, 1200px) 1fr;
            grid-template-areas:
                "header header header"
                "nav nav nav"
                ". breadcrumb ."
                ". main ."
                "footer footer footer";
            row-gap: 20px;
        }
        header { grid-area: header; }
        nav { grid-area: nav; }
        .breadcrumb { grid-area: breadcrumb; }
        main { grid-area: main; }
        footer { grid-area: footer; }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #3949ab 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #ffeb3b;
            text-shadow: 2px 2px 0 #ff9800;
            letter-spacing: 1px;
        }
        .my-logo a { color: inherit; text-decoration: none; }
        .my-logo a:hover { color: #fff; text-decoration: none; }
        .last-update {
            font-size: 0.9rem;
            color: #bbdefb;
            text-align: right;
        }
        .main-nav {
            background-color: #303f9f;
            padding: 0;
        }
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li { position: relative; }
        .nav-links a {
            color: white;
            padding: 18px 20px;
            display: block;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 4px solid transparent;
            transition: all 0.3s ease;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            background-color: #3949ab;
            border-bottom-color: #ffeb3b;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px;
        }
        .breadcrumb {
            padding: 15px 20px;
            background-color: #e8eaf6;
            border-radius: 8px;
            font-size: 0.95rem;
            max-width: 1200px;
            margin: 10px auto;
        }
        .breadcrumb a { color: #5c6bc0; }
        .breadcrumb a:hover { text-decoration: underline; }
        .content-area {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 20px;
        }
        .article-main {
            flex: 1 1 700px;
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .sidebar {
            flex: 0 1 300px;
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
        }
        .search-box, .comment-box, .rating-box {
            background: #f3e5f5;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            border-left: 6px solid #9c27b0;
        }
        .search-box h3, .comment-box h3, .rating-box h3 { color: #7b1fa2; margin-top: 0; }
        form label { display: block; margin-bottom: 8px; font-weight: 600; color: #4a148c; }
        form input, form textarea, form select {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 20px;
            border: 2px solid #ce93d8;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        form input:focus, form textarea:focus, form select:focus {
            outline: none;
            border-color: #9c27b0;
            box-shadow: 0 0 0 3px rgba(156, 39, 176, 0.2);
        }
        form button {
            background: linear-gradient(to right, #9c27b0, #7b1fa2);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        form button:hover {
            background: linear-gradient(to right, #7b1fa2, #6a1b9a);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(123, 31, 162, 0.3);
        }
        .stars { font-size: 1.8rem; color: #ffc107; margin: 10px 0; }
        .stars i { cursor: pointer; margin: 0 3px; transition: transform 0.2s; }
        .stars i:hover { transform: scale(1.2); }
        .featured-img {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            border: 5px solid #e3f2fd;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .internal-links {
            background: #e8f5e9;
            padding: 20px;
            border-radius: 10px;
            margin: 25px 0;
            border-left: 6px solid #4caf50;
        }
        .internal-links h4 { color: #2e7d32; }
        .internal-links ul { list-style-position: inside; padding-left: 10px; }
        .internal-links li { margin-bottom: 10px; }
        .site-footer {
            background: linear-gradient(135deg, #1a237e, #0d153a);
            color: #bbdefb;
            padding: 40px 20px 20px;
            margin-top: 50px;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-section { flex: 1 1 300px; }
        .footer-section h3 { color: #ffeb3b; font-size: 1.5rem; margin-bottom: 20px; border-bottom: 2px solid #3949ab; padding-bottom: 8px; }
        friend-link {
            display: block;
            margin-bottom: 10px;
            color: #90caf9;
        }
        friend-link:hover { color: #ffeb3b; text-decoration: underline; }
        .copyright {
            text-align: center;
            padding-top: 25px;
            margin-top: 25px;
            border-top: 1px solid #3949ab;
            color: #90caf9;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .container { grid-template-columns: 1fr; grid-template-areas: "header" "nav" "breadcrumb" "main" "footer"; }
            .header-content, .nav-container { flex-direction: column; text-align: center; gap: 15px; }
            .last-update { text-align: center; }
            .hamburger { display: block; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #303f9f;
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 1000;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active { display: flex; }
            .nav-links li { width: 100%; }
            .nav-links a { padding: 15px 20px; border-bottom: 1px solid #3949ab; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.9rem; }
            .article-main, .sidebar { padding: 25px; }
        }
        @media (max-width: 768px) {
            .content-area { flex-direction: column; }
            .sidebar { order: -1; }
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.5rem; }
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .highlight { background-color: #fff9c4; padding: 2px 5px; border-radius: 3px; }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }