        * { 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;
            max-width: 100%;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fff3cd; padding: 2px 5px; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .site-header {
            background: linear-gradient(135deg, #0d3e65 0%, #1a6ca1 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #FFD700; }
        .my-logo span { text-shadow: 1px 1px 3px rgba(0,0,0,0.5); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #e6f2ff;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover, .main-nav a:focus {
            background-color: rgba(255,255,255,0.15);
            color: white;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #0d3e65;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            color: white;
            padding: 12px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            text-decoration: none;
            transition: background 0.3s;
        }
        .mobile-nav a:hover { background-color: rgba(255,255,255,0.1); }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 10px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #1a6ca1;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        article h1 {
            color: #0d3e65;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #FFD700;
            padding-bottom: 15px;
        }
        article h2 {
            color: #1a6ca1;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px dashed #e9ecef;
        }
        article h3 {
            color: #2c8ac9;
            margin: 2rem 0 1rem;
        }
        article h4 {
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        .featured-img {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            max-width: 900px;
        }
        .featured-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 10px;
            background-color: #f8f9fa;
            font-size: 0.9rem;
        }
        .info-box {
            background: #e7f3ff;
            border-left: 5px solid #1a6ca1;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .inline-link {
            color: #1a6ca1;
            font-weight: 600;
            text-decoration: none;
            border-bottom: 1px dotted transparent;
            transition: all 0.3s;
        }
        .inline-link:hover {
            border-bottom-color: #1a6ca1;
            color: #0d3e65;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: #0d3e65;
            margin-bottom: 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px solid #FFD700;
            font-size: 1.3rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus { border-color: #1a6ca1; }
        .search-form button {
            background: #1a6ca1;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #0d3e65; }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 10px;
        }
        .star-rating .star { transition: color 0.2s; }
        .star-rating .star:hover,
        .star-rating .star.active { color: #FFD700; }
        .form-group { display: flex; flex-direction: column; }
        .form-group label {
            margin-bottom: 5px;
            font-weight: 600;
            color: #555;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #1a6ca1;
            outline: none;
        }
        .form-group textarea { min-height: 120px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(to right, #1a6ca1, #0d3e65);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(26, 108, 161, 0.3);
        }
        .site-footer {
            background: #0d3e65;
            color: #e6f2ff;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background: #FFD700;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: #b3d9ff;
            text-decoration: none;
            transition: color 0.3s, padding-left 0.3s;
            display: inline-block;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.08);
            padding: 8px 15px;
            border-radius: 5px;
            margin: 5px;
            border: 1px solid rgba(255,255,255,0.1);
        }
        friend-link a {
            color: #FFD700 !important;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #a3c6e9;
        }
        @media (max-width: 768px) {
            .main-nav ul { display: none; }
            .hamburger { display: block; }
            article { padding: 1.5rem; }
            article h1 { font-size: 2.2rem; }
            .header-content, .footer-content { flex-direction: column; text-align: center; gap: 15px; }
        }
