* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4a6fa5;
            --secondary-color: #ff6b6b;
            --accent-color: #51cf66;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-color: #333;
            --text-light: #666;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --max-width: 1200px;
            --header-height: 70px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
            padding-top: var(--header-height);
        }
        h1, h2, h3, h4 {
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            color: var(--primary-color);
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 3rem;
            padding-left: 1rem;
            border-left: 5px solid var(--primary-color);
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
            color: var(--secondary-color);
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1.5rem;
            color: var(--primary-color);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        strong {
            color: var(--primary-color);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: white;
            box-shadow: var(--shadow);
            z-index: 1000;
            height: var(--header-height);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo::before {
            content: "■";
            color: var(--secondary-color);
            font-size: 2rem;
        }
        nav {
            display: flex;
            gap: 2rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-weight: 500;
        }
        .nav-links a:hover {
            background-color: var(--light-bg);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-color);
            transition: var(--transition);
        }
        main {
            background-color: white;
            box-shadow: var(--shadow);
            border-radius: 8px;
            margin: 2rem auto;
            padding: 3rem;
            position: relative;
        }
        section {
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--border-color);
        }
        section:last-of-type {
            border-bottom: none;
        }
        .info-box {
            background-color: #e8f4f8;
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 4px 4px 0;
        }
        .info-box h3 {
            margin-top: 0;
            color: var(--primary-color);
        }
        .image-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .image-item {
            background-color: var(--light-bg);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .image-item img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .image-caption {
            padding: 1rem;
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: center;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background-color: white;
            box-shadow: var(--shadow);
            border-radius: 8px;
            overflow: hidden;
        }
        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        th {
            background-color: var(--primary-color);
            color: white;
            font-weight: 600;
        }
        tr:hover {
            background-color: var(--light-bg);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--text-color);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.1);
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: var(--transition);
            text-align: center;
            min-height: 44px;
            min-width: 44px;
        }
        .btn:hover {
            background-color: #3a5a8c;
            color: white;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #ff5252;
        }
        .btn-accent {
            background-color: var(--accent-color);
        }
        .btn-accent:hover {
            background-color: #40c057;
        }
        #search-section {
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: 8px;
            margin-bottom: 3rem;
        }
        .search-form {
            display: flex;
            gap: 1rem;
        }
        .search-form input {
            flex: 1;
        }
        .rating-system {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stars {
            display: flex;
            gap: 0.25rem;
        }
        .star {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        .social-share {
            display: flex;
            gap: 1rem;
            margin: 2rem 0;
        }
        .social-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--light-bg);
            color: var(--text-color);
            transition: var(--transition);
        }
        .social-btn:hover {
            transform: translateY(-3px);
            background-color: var(--primary-color);
            color: white;
            text-decoration: none;
        }
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 100;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            padding: 1rem;
            background-color: rgba(255,255,255,0.1);
            border-radius: 4px;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .highlight {
            background-color: #fff9db;
            padding: 0.5rem;
            border-radius: 4px;
            border-left: 3px solid #ffd43b;
        }
        .last-updated {
            background-color: var(--light-bg);
            padding: 1rem;
            border-radius: 4px;
            margin: 2rem 0;
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: right;
        }
        @media (max-width: 768px) {
            html {
                font-size: 14px;
            }
            .container {
                padding: 0 1rem;
            }
            main {
                padding: 1.5rem;
                margin: 1rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .header-container {
                padding: 0 1rem;
            }
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background-color: white;
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow);
                display: none;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .search-form {
                flex-direction: column;
            }
            .image-gallery {
                grid-template-columns: 1fr;
            }
            table {
                display: block;
                overflow-x: auto;
            }
            .back-to-top {
                bottom: 1rem;
                right: 1rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            .btn, .social-btn, .star {
                min-height: 44px;
                min-width: 44px;
            }
            input, textarea, select {
                font-size: 16px; 
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.75rem;
            }
            main {
                padding: 1rem;
                margin: 0.5rem;
            }
            .header-container {
                padding: 0 0.5rem;
            }
        }
        @media print {
            header, footer, .social-share, .back-to-top,
            .search-form, .comment-form, .rating-form {
                display: none !important;
            }
            body {
                padding-top: 0;
                background: white;
            }
            main {
                box-shadow: none;
                margin: 0;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
            .container {
                max-width: 100%;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main {
            animation: fadeIn 0.6s ease-out;
        }
        section {
            animation: fadeIn 0.6s ease-out;
            animation-fill-mode: both;
        }
        section:nth-child(1) { animation-delay: 0.1s; }
        section:nth-child(2) { animation-delay: 0.2s; }
        section:nth-child(3) { animation-delay: 0.3s; }
        section:nth-child(4) { animation-delay: 0.4s; }
        section:nth-child(5) { animation-delay: 0.5s; }
        section:nth-child(6) { animation-delay: 0.6s; }