* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #ff9900;
            --secondary: #663300;
            --accent: #ffcc66;
            --light: #fff8e1;
            --dark: #1a1a1a;
            --text: #333333;
            --text-light: #666666;
            --border: #e0c9a6;
            --success: #4caf50;
            --warning: #ff9800;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --radius: 8px;
            --max-width: 1200px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: #fefefe;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: var(--primary);
        }
        .logo .fas {
            color: var(--primary);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--light);
            font-size: 0.9rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: #aaa;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--secondary);
        }
        .search-container {
            background: linear-gradient(to right, var(--light), #ffedc2);
            padding: 30px 0;
            margin-bottom: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.2);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 50%;
            width: 45px;
            height: 45px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--secondary);
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--text);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text-light);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            color: var(--text);
            background-color: var(--light);
            padding: 25px;
            border-left: 5px solid var(--primary);
            border-radius: var(--radius);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 25px;
            border-radius: var(--radius);
            margin: 30px 0;
            border-left: 4px solid var(--warning);
        }
        .quote {
            font-style: italic;
            padding: 25px;
            background-color: #f9f9f9;
            border-left: 4px solid var(--primary);
            margin: 30px 0;
            color: var(--text);
        }
        .quote cite {
            display: block;
            margin-top: 10px;
            font-style: normal;
            font-weight: 600;
            color: var(--text-light);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-box {
            background: white;
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            border-top: 4px solid var(--primary);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--text-light);
        }
        .image-container {
            margin: 40px 0;
            text-align: center;
        }
        .image-container img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 0 auto;
            max-height: 500px;
            object-fit: cover;
        }
        .caption {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 10px;
            font-style: italic;
        }
        .content-links {
            background-color: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            margin: 40px 0;
        }
        .content-links h3 {
            margin-top: 0;
        }
        .content-links ul {
            list-style-type: none;
            column-count: 2;
            column-gap: 40px;
        }
        .content-links li {
            margin-bottom: 10px;
            break-inside: avoid;
        }
        .content-links a {
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .content-links a:hover {
            color: var(--primary);
        }
        .content-links .fas {
            color: var(--primary);
        }
        .user-interaction {
            background-color: #f8f9fa;
            padding: 40px;
            border-radius: var(--radius);
            margin: 50px 0;
            box-shadow: var(--shadow);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }
        .interaction-box {
            background: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .interaction-box h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 0;
        }
        .interaction-box .fas {
            color: var(--primary);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
            font-size: 1.5rem;
            color: #ddd;
        }
        .rating-stars .active {
            color: var(--warning);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.1);
        }
        button[type="submit"] {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        button[type="submit"]:hover {
            background-color: var(--secondary);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 12px;
        }
        .footer-section a {
            color: #ccc;
        }
        .footer-section a:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: var(--radius);
            margin-bottom: 15px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.1);
        }
        friend-link a {
            color: var(--accent);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #e8f5e9;
            color: #2e7d32;
            padding: 10px 20px;
            border-radius: var(--radius);
            margin: 30px 0;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .content-links ul {
                column-count: 1;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                order: 3;
                margin-top: 20px;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0;
            }
            nav li {
                border-bottom: 1px solid var(--border);
            }
            nav a {
                display: block;
                padding: 15px;
            }
            .hamburger {
                display: block;
            }
            article {
                padding: 25px;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 {
                font-size: 1.8rem;
            }
            .intro {
                font-size: 1.1rem;
                padding: 20px;
            }
            .search-container {
                padding: 20px 0;
            }
            .user-interaction {
                padding: 25px;
            }
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: 800; }
        .text-primary { color: var(--primary); }
        .emoji { font-size: 1.2em; }
        .mb-30 { margin-bottom: 30px; }
        .mt-30 { margin-top: 30px; }
        .py-20 { padding-top: 20px; padding-bottom: 20px; }
        .hidden { display: none; }