* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #ff6b00;
            --primary-dark: #e55a00;
            --secondary: #2a475e;
            --dark: #1b2838;
            --light: #f5f5f5;
            --text: #333;
            --text-light: #666;
            --border: #ddd;
            --success: #4caf50;
            --warning: #ff9800;
            --card-bg: #fff;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text);
            background-color: #f8f9fa;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        ul {
            list-style-position: inside;
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 1.5rem;
            border-bottom: 3px solid var(--primary);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2.5rem;
            padding-left: 10px;
            border-left: 5px solid var(--secondary);
        }
        h3 {
            font-size: 1.6rem;
            margin-top: 2rem;
            color: var(--secondary);
        }
        h4 {
            font-size: 1.3rem;
            margin-top: 1.5rem;
            color: var(--text-light);
        }
        p {
            margin-bottom: 1.5rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: var(--text-light);
        }
        .highlight {
            background-color: #fff9e6;
            padding: 15px;
            border-left: 4px solid var(--warning);
            margin: 20px 0;
            border-radius: 0 5px 5px 0;
        }
        strong {
            color: var(--primary-dark);
        }
        header {
            background-color: var(--dark);
            color: white;
            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;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(90deg, var(--primary), #ffa500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .desktop-nav ul {
            display: flex;
            gap: 25px;
        }
        .desktop-nav a {
            color: white;
            font-weight: 500;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover {
            border-bottom-color: var(--primary);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background-color: var(--secondary);
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav a {
            color: white;
            display: block;
            padding: 10px;
            border-radius: 5px;
        }
        .mobile-nav a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 12px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--text-light);
        }
        main {
            flex: 1;
            padding: 20px 0 40px;
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
        }
        .sidebar {
            background-color: var(--card-bg);
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 30px;
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--primary);
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 5px;
            font-weight: 600;
        }
        input, select, textarea {
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
        }
        button, .btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background-color: var(--primary-dark);
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
        }
        .stars .selected {
            color: var(--warning);
        }
        .related-links {
            background-color: #e9f7fe;
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .related-links h3 {
            margin-top: 0;
        }
        .related-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
            list-style-type: none;
        }
        .related-links li {
            padding: 8px 0;
            border-bottom: 1px dashed #b3e0ff;
        }
        .article-image {
            margin: 30px 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            padding: 10px;
            background-color: var(--light);
        }
        .update-time {
            text-align: right;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 20px;
            border-top: 1px solid var(--border);
            padding-top: 10px;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 12px 15px;
            margin-bottom: 10px;
            border-radius: 5px;
            transition: background-color 0.3s ease;
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.4rem; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-container { padding: 12px 0; }
            .related-links ul { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            h1 { font-size: 1.8rem; }
        }