* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            transition: all 0.3s ease;
        }
        a {
            text-decoration: none;
            color: #0056b3;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d3b66 0%, #1a5f7a 100%);
            color: white;
            padding: 1rem 5%;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #f4a261;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #e9c46a;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 5%;
            background: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #0d3b66;
        }
        .breadcrumb span {
            color: #888;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 5%;
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
        }
        .main-content {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        h1 {
            font-size: 3.2rem;
            color: #0d3b66;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 5px solid #f4a261;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #1a5f7a;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #a8dadc;
        }
        h3 {
            font-size: 1.7rem;
            color: #2a9d8f;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #457b9d;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.4rem;
            font-weight: 500;
            color: #555;
            background: #f1faee;
            padding: 1.5rem;
            border-left: 5px solid #2a9d8f;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        strong {
            color: #d90429;
            font-weight: 700;
        }
        .highlight {
            background: linear-gradient(120deg, #a8dadc 0%, #a8dadc 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 90%;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .search-box {
            background: #e9f5db;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-box input {
            width: 70%;
            padding: 0.9rem;
            border: 2px solid #2a9d8f;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-box button {
            padding: 0.9rem 2rem;
            background: #2a9d8f;
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #1d7873;
        }
        .comment-section, .rating-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border: 1px solid #dee2e6;
        }
        .comment-section h3, .rating-section h3 {
            color: #0d3b66;
        }
        textarea, select, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .submit-btn {
            background: #0d3b66;
            color: white;
            padding: 1rem 2.5rem;
            border: none;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-block;
        }
        .submit-btn:hover {
            background: #e63946;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .feature-img {
            margin: 2.5rem auto;
            max-width: 800px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s;
        }
        .feature-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 1rem;
            padding: 1rem;
            background: #f8f9fa;
            border-left: 4px solid #f4a261;
            transition: all 0.3s;
        }
        .link-list li:hover {
            background: #e9ecef;
            transform: translateX(5px);
        }
        .link-list a {
            color: #333;
            font-weight: 600;
            display: block;
        }
        .link-list a:hover {
            color: #0d3b66;
        }
        .site-footer {
            background: #0d3b66;
            color: white;
            padding: 3rem 5% 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a5f7a;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 2px solid #f4a261;
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 1rem;
            }
            .search-box input {
                width: 60%;
            }
            .main-content {
                padding: 2rem;
            }
        }
        @media (max-width: 480px) {
            .search-box input {
                width: 100%;
                border-radius: 50px;
                margin-bottom: 1rem;
            }
            .search-box button {
                width: 100%;
                border-radius: 50px;
            }
            h1 {
                font-size: 2rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .main-content, .sidebar {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            .site-header, .search-box, .comment-section, .rating-section, .site-footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            .main-content {
                box-shadow: none;
                padding: 0;
            }
        }