* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2a5d9e;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #d4af37;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1.5rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background: linear-gradient(135deg, #2a5d9e, #1a3a6e);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background: linear-gradient(135deg, #d4af37, #b8941f);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        header {
            background-color: #1a3a6e;
            color: white;
            padding: 15px 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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #d4af37;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
        }
        .my-logo a {
            color: #d4af37;
        }
        .desktop-nav ul {
            display: flex;
            gap: 25px;
        }
        .desktop-nav li {
            list-style: none;
        }
        .desktop-nav a {
            color: white;
            font-weight: 500;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: #d4af37;
            border-bottom-color: #d4af37;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1a3a6e;
            padding: 20px;
            flex-direction: column;
            gap: 15px;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            font-size: 1.1rem;
            padding: 10px;
            border-left: 3px solid transparent;
        }
        .mobile-nav a:hover {
            color: #d4af37;
            border-left-color: #d4af37;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #2a5d9e;
        }
        .breadcrumb span {
            color: #495057;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar {
            background-color: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            color: #1a3a6e;
            border-bottom: 2px solid #d4af37;
            padding-bottom: 10px;
            margin-bottom: 15px;
        }
        .feature-box {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-left: 5px solid #d4af37;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 4px;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2a5d9e;
            box-shadow: 0 0 0 3px rgba(42, 93, 158, 0.2);
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .rating i {
            color: #ffc107;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .rating i:hover {
            transform: scale(1.1);
        }
        footer {
            background-color: #1a3a6e;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .footer-col h3 {
            color: #d4af37;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: #d4af37;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255,255,255,0.1);
            padding: 8px 15px;
            border-radius: 4px;
            margin: 5px;
            border: 1px solid rgba(255,255,255,0.2);
        }
        friend-link a {
            color: #d4af37;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            .content-area, .sidebar {
                padding: 20px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        h1 {
            color: #1a3a6e;
            font-size: 2.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            color: #2a5d9e;
            font-size: 1.8rem;
            margin-top: 40px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e9ecef;
        }
        h3 {
            color: #3a7abe;
            font-size: 1.4rem;
            margin-top: 30px;
            margin-bottom: 10px;
        }
        h4 {
            color: #5a9ae0;
            font-size: 1.2rem;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        strong {
            color: #1a3a6e;
        }
        em {
            color: #6c757d;
        }
        .update-time {
            background-color: #fff3cd;
            color: #856404;
            padding: 10px 15px;
            border-radius: 4px;
            margin-bottom: 25px;
            border-left: 4px solid #ffc107;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight {
            background-color: #fffacd;
            padding: 2px 5px;
            border-radius: 3px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .content-img {
            margin: 25px auto;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
        }
        th, td {
            padding: 12px 15px;
            border: 1px solid #dee2e6;
            text-align: left;
        }
        th {
            background-color: #1a3a6e;
            color: white;
        }
        tr:nth-child(even) {
            background-color: #f8f9fa;
        }