* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 100%; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f9f9f9 0%, #f0f2f5 100%);
            background-attachment: fixed;
            max-width: 1400px;
            margin: 0 auto;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
        }
        a { color: #2c5aa0; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #e63946; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 95%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .site-header {
            background: linear-gradient(90deg, #0c2461 0%, #1e3799 50%, #4a69bd 100%);
            color: white;
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .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;
        }
        .my-logo i { color: #ffd32a; }
        .my-logo:hover { text-decoration: none; color: #ffd32a; }
        .main-nav { display: flex; align-items: center; }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: #e0e0e0;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.2rem;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #ffd32a;
            border-bottom-color: #ffd32a;
            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: #f8f9fa;
            border-bottom: 1px solid #dee2e6;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #6c757d; }
        .breadcrumb a:hover { color: #0c2461; }
        .breadcrumb span { color: #495057; }
        .search-section {
            background: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin: 2rem auto;
            max-width: 800px;
        }
        .search-form {
            display: flex;
            gap: 0;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #4a69bd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-input:focus { border-color: #0c2461; }
        .search-btn {
            background: linear-gradient(to right, #4a69bd, #1e3799);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #1e3799, #0c2461);
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #dee2e6;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .last-updated { color: #e63946; font-weight: 600; }
        h1 {
            font-size: 2.8rem;
            color: #0c2461;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #ffd32a;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #1e3799;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f2f5;
        }
        h3 {
            font-size: 1.8rem;
            color: #4a69bd;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #6c757d;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
            font-size: 1.1rem;
            color: #444;
        }
        .intro {
            font-size: 1.3rem;
            color: #0c2461;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            border-left: 5px solid #4a69bd;
            font-weight: 500;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #ffd32a;
            margin: 1.5rem 0;
        }
        .highlight p:last-child { margin-bottom: 0; }
        strong { color: #0c2461; font-weight: 700; }
        em { color: #e63946; font-style: italic; }
        .content-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background: #f1f8ff;
            border-radius: 10px;
        }
        .content-links a {
            background: white;
            padding: 0.7rem 1.2rem;
            border-radius: 50px;
            border: 1px solid #4a69bd;
            color: #1e3799;
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .content-links a:hover {
            background: #4a69bd;
            color: white;
            text-decoration: none;
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(74, 105, 189, 0.3);
        }
        .article-image {
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.1);
            max-width: 900px;
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image:hover img { transform: scale(1.03); }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            padding: 0.8rem;
            background: #f8f9fa;
            font-size: 0.95rem;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: #0c2461;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd32a;
        }
        .widget-links { list-style: none; }
        .widget-links li { margin-bottom: 0.9rem; }
        .widget-links a {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            color: #495057;
            padding: 0.7rem;
            border-radius: 8px;
            transition: all 0.3s;
        }
        .widget-links a:hover {
            background-color: #f0f7ff;
            color: #0c2461;
            text-decoration: none;
            padding-left: 1.2rem;
        }
        .widget-links i { color: #4a69bd; width: 20px; }
        .rating-section, .comments-section {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
            margin: 2.5rem 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active { color: #ffd32a; }
        .form-group { display: flex; flex-direction: column; }
        .form-label { font-weight: 600; margin-bottom: 0.5rem; color: #495057; }
        .form-input, .form-textarea {
            padding: 1rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: #4a69bd;
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 105, 189, 0.2);
        }
        .form-textarea { min-height: 150px; resize: vertical; }
        .submit-btn {
            align-self: flex-start;
            background: linear-gradient(to right, #2a9d8f, #1d7873);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #1d7873, #145a5a);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(29, 120, 115, 0.3);
        }
        .site-footer {
            background: linear-gradient(90deg, #0c2461 0%, #1a1a2e 100%);
            color: #e0e0e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-widget h4 {
            color: #ffd32a;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #4a69bd;
        }
        friend-link {
            display: block;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #a0c4ff;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        friend-link a:hover { color: #ffd32a; text-decoration: none; }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2d3748;
            color: #b0b0b0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { flex-direction: column; align-items: flex-start; gap: 1rem; }
            .main-nav { width: 100%; justify-content: space-between; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0c2461;
                padding: 1rem;
                border-radius: 10px;
                margin-top: 1rem;
            }
            .nav-links.active { display: flex; }
            .hamburger { display: block; }
            .article-content { padding: 1.5rem; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: 8px; width: 100%; }
            .content-links { flex-direction: column; }
        }