* {
            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: linear-gradient(180deg, #f5f1e8 0%, #e8dfca 100%);
            background-attachment: fixed;
        }
        a {
            text-decoration: none;
            color: #c17d11;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #8a5a0a;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .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;
            }
        }
        .site-header {
            background: linear-gradient(90deg, #0c2c4a 0%, #1a5276 100%);
            color: #fff;
            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: 'Palatino Linotype', 'Book Antiqua', serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: #f1c40f;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #fff;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #f1c40f;
            border-bottom-color: #f1c40f;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f8f9fa;
            border-bottom: 1px solid #ddd;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #666;
        }
        .breadcrumb a:hover {
            color: #c17d11;
        }
        .breadcrumb span {
            color: #999;
        }
        .content-area {
            background: #fff;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            margin-top: 20px;
            margin-bottom: 30px;
        }
        .article-header {
            border-bottom: 3px solid #c17d11;
            padding-bottom: 20px;
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.8rem;
            color: #0c2c4a;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 10px;
        }
        .last-updated {
            background: #e8f4fc;
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: 600;
            color: #1a5276;
        }
        h2 {
            font-size: 2rem;
            color: #1a5276;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #e8dfca;
        }
        h3 {
            font-size: 1.6rem;
            color: #c17d11;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #2e4053;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 600;
            color: #2c3e50;
            background: #f9f3e9;
            padding: 20px;
            border-left: 5px solid #c17d11;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fdf6e3 0%, #fceec9 100%);
            border: 1px solid #f1c40f;
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            box-shadow: 0 5px 15px rgba(241, 196, 15, 0.1);
        }
        .figure-container {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
        }
        .figure-container img {
            border-radius: 10px;
            border: 3px solid #ddd;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .figure-caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        .info-table th, .info-table td {
            border: 1px solid #ddd;
            padding: 15px;
            text-align: left;
        }
        .info-table th {
            background-color: #1a5276;
            color: white;
            font-weight: 600;
        }
        .info-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .info-table tr:hover {
            background-color: #f1f8ff;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .keyword {
            font-weight: 700;
            color: #1a5276;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .sidebar {
            background: #fff;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            margin-top: 20px;
        }
        .widget {
            margin-bottom: 30px;
            border-bottom: 1px solid #eee;
            padding-bottom: 25px;
        }
        .widget:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #0c2c4a;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f1c40f;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 5px;
            font-weight: 600;
            color: #444;
        }
        input, select, textarea {
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: #c17d11;
            box-shadow: 0 0 0 3px rgba(193, 125, 17, 0.2);
        }
        button, .btn {
            background: linear-gradient(to bottom, #c17d11, #8a5a0a);
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to bottom, #d18c1a, #9b6612);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(193, 125, 17, 0.3);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f1c40f;
        }
        .related-links ul {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dotted #eee;
        }
        .related-links a {
            display: block;
            padding: 8px 12px;
            border-radius: 6px;
            background: #f8f9fa;
            transition: all 0.3s;
        }
        .related-links a:hover {
            background: #e8f4fc;
            padding-left: 20px;
            color: #1a5276;
        }
        .site-footer {
            background: #0c2c4a;
            color: #ecf0f1;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #f1c40f;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin: 8px 0;
            color: #bdc3c7;
        }
        friend-link a {
            color: #bdc3c7;
        }
        friend-link a:hover {
            color: #f1c40f;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1a5276;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a5276;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                z-index: 999;
            }
            .main-nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .content-area, .sidebar {
                padding: 20px;
            }
            .footer-content {
                flex-direction: column;
                gap: 30px;
            }
        }