* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        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;
        }
        a {
            color: #2c5aa0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            padding: 1rem 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: 2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            text-decoration: none;
            color: #ffde59;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 1.8rem;
        }
        nav ul li a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        nav ul li a:hover {
            background-color: rgba(255,255,255,0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #2c5aa0;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            box-shadow: 0 0 15px rgba(0,0,0,0.05);
            margin: 1rem auto;
            border-radius: 8px;
            max-width: 1200px;
        }
        .content-container {
            padding: 0 2rem;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #1a2980;
            border-bottom: 4px solid #ffde59;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1rem;
            color: #2c5aa0;
            padding-left: 0.5rem;
            border-left: 5px solid #e63946;
        }
        h3 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: #457b9d;
        }
        h4 {
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
            color: #6d6875;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #555;
            background-color: #f1faee;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #a8dadc;
            margin-bottom: 2rem;
        }
        strong {
            color: #e63946;
            font-weight: 700;
        }
        .search-box, .comment-form, .rating-form {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2.5rem 0;
            border: 1px solid #dee2e6;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #495057;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ced4da;
            border-radius: 4px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #80bdff;
            box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
        }
        button {
            background-color: #2c5aa0;
            color: white;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.2s;
        }
        button:hover {
            background-color: #1a2980;
            transform: translateY(-2px);
        }
        .featured-image {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 900px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            font-style: italic;
            color: #6c757d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .related-links {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2.5rem 0;
        }
        .related-links h3 {
            color: #1a2980;
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .related-links li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed #adb5bd;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #6c757d;
            padding-top: 1rem;
            border-top: 1px solid #dee2e6;
            margin-top: 3rem;
        }
        footer {
            background-color: #1a2980;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 2rem;
            padding: 0 1.5rem;
        }
        .footer-section h3 {
            color: #ffde59;
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #a8dadc;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background-color: #2c5aa0;
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            border-left: 4px solid #ffde59;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2c5aa0;
            font-size: 0.9rem;
            color: #a8dadc;
            width: 100%;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav {
                width: 100%;
                margin-top: 1rem;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
            }
            nav ul li {
                margin: 0.5rem 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.2rem;
                right: 20px;
            }
            .content-container {
                padding: 0 1rem;
            }
            .footer-container {
                flex-direction: column;
            }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .lead { font-size: 1.1rem; }
            p { font-size: 1rem; }
            .featured-image {
                margin: 1.5rem -1rem;
                border-radius: 0;
            }
        }