* {
            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: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2c6ca8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1a4a72;
            text-decoration: underline;
        }
        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; }
        .italic { font-style: italic; }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .my-1 { margin-top: 1rem; margin-bottom: 1rem; }
        .my-2 { margin-top: 2rem; margin-bottom: 2rem; }
        .site-header {
            background: linear-gradient(135deg, #1a3a5f 0%, #2c6ca8 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #ffcc00;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-menu a {
            color: #e6f2ff;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
            color: #ffcc00;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #555;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 1rem;
            margin-bottom: 2rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a3a5f;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #2c6ca8;
            margin-top: 3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eaeaea;
        }
        h3 {
            font-size: 1.6rem;
            color: #333;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(to right, #f0f7ff, #e1efff);
            border-left: 5px solid #2c6ca8;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .article-image {
            margin: 2.5rem auto;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            max-width: 800px;
        }
        .article-image figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #666;
            padding: 0.8rem;
            background-color: #f9f9f9;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: #1a3a5f;
            border-bottom: 2px solid #ffcc00;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        .search-form,
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #444;
        }
        input,
        textarea,
        select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: #2c6ca8;
            box-shadow: 0 0 0 3px rgba(44, 108, 168, 0.1);
        }
        button,
        .btn {
            background: linear-gradient(to right, #2c6ca8, #1a4a72);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        button:hover,
        .btn:hover {
            background: linear-gradient(to right, #1a4a72, #2c6ca8);
            transform: translateY(-2px);
            box-shadow: 0 5px 12px rgba(0, 0, 0, 0.15);
            text-decoration: none;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            margin: 1rem 0;
        }
        .star-rating label {
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffcc00;
        }
        .site-footer {
            background-color: #1a3a5f;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            margin-top: 0;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e1;
        }
        .footer-links a:hover {
            color: #ffcc00;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            border-left: 4px solid #ffcc00;
        }
        friend-link a {
            color: #ffcc00;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d4a6b;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a3a5f;
                padding: 1.5rem;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                z-index: 999;
            }
            .nav-menu.active {
                display: flex;
            }
            .header-top {
                flex-wrap: wrap;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .article-meta {
                flex-direction: column;
            }
        }