* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background: #f8f9fa;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(135deg, #1a2a6c, #2a3a7c);
            color: white;
            padding: 1.5rem 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;
            text-decoration: none;
            color: #ffcc00;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo span { color: #fff; }
        .main-nav { display: flex; }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-list a {
            color: #eee;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
        }
        .nav-list a:hover, .nav-list a:focus {
            color: #ffcc00;
            border-bottom-color: #ffcc00;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 1rem;
            border-radius: 5px;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #1a2a6c; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content-area { grid-template-columns: 1fr; }
        }
        .article-main {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .article-header { margin-bottom: 2.5rem; }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1a2a6c;
            margin-bottom: 0.5rem;
            line-height: 1.2;
        }
        .meta-info {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            gap: 1.5rem;
            margin-top: 1rem;
        }
        .article-content h2 {
            color: #2a3a7c;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffcc00;
            font-size: 2rem;
        }
        .article-content h3 {
            color: #3a4a8c;
            margin: 2rem 0 1rem;
            font-size: 1.6rem;
        }
        .article-content h4 {
            color: #4a5a9c;
            margin: 1.5rem 0 0.8rem;
            font-size: 1.3rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.9;
        }
        .article-content strong {
            color: #1a2a6c;
            background-color: #f0f4ff;
            padding: 0 2px;
        }
        .highlight-box {
            background: linear-gradient(to right, #f0f4ff, #e6f0ff);
            border-left: 5px solid #1a2a6c;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .inline-link {
            color: #1a2a6c;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dashed #1a2a6c;
            transition: all 0.2s;
        }
        .inline-link:hover {
            color: #ff3300;
            border-bottom-style: solid;
        }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: #1a2a6c;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group { display: flex; flex-direction: column; }
        .form-group label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #444;
        }
        .form-control, textarea, select {
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #1a2a6c;
            box-shadow: 0 0 0 3px rgba(26, 42, 108, 0.1);
        }
        textarea { min-height: 120px; resize: vertical; }
        .btn-submit {
            background: linear-gradient(to right, #1a2a6c, #2a3a7c);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn-submit:hover {
            background: linear-gradient(to right, #2a3a7c, #3a4a8c);
            transform: translateY(-2px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
        }
        .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; }
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
            border-radius: 12px 12px 0 0;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section { flex: 1; min-width: 250px; }
        .footer-section h3 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 1rem;
        }
        friend-link a:hover { color: #ffcc00; text-decoration: underline; }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav { width: 100%; order: 3; margin-top: 1rem; display: none; }
            .main-nav.active { display: block; }
            .nav-list {
                flex-direction: column;
                gap: 0;
                background: #2a3a7c;
                border-radius: 8px;
                overflow: hidden;
            }
            .nav-list li { width: 100%; }
            .nav-list a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .article-main { padding: 1.5rem; }
            .article-header h1 { font-size: 2.2rem; }
            .meta-info { flex-direction: column; gap: 0.5rem; }
            .sidebar { position: static; }
        }