:root {
            --primary-color: #1a365d;
            --secondary-color: #d4af37;
            --accent-color: #c53030;
            --text-dark: #2d3748;
            --text-light: #f7fafc;
            --bg-light: #edf2f7;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f5f5f5;
            color: var(--text-dark);
            line-height: 1.6;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2d3748 100%);
            color: var(--text-light);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary-color);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: var(--text-light);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: var(--border-radius);
        }
        nav a:hover, .current-nav {
            background-color: rgba(212, 175, 55, 0.2);
            color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--bg-light);
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        article {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            padding-top: 1rem;
            border-top: 1px solid #e2e8f0;
        }
        h3 {
            color: var(--accent-color);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            color: var(--text-dark);
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.1rem;
            background-color: #f0f9ff;
            padding: 1.5rem;
            border-left: 4px solid var(--secondary-color);
            margin-bottom: 2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight-box {
            background: linear-gradient(to right, #fff8e1, #ffecb3);
            border: 1px solid #ffd54f;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        .tip {
            background-color: #e8f5e9;
            border-left: 4px solid #4caf50;
            padding: 1rem;
            margin: 1rem 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 1.5rem 0;
            display: block;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            font-size: 0.9rem;
            margin-top: -1rem;
            margin-bottom: 1.5rem;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-list a {
            background-color: var(--bg-light);
            padding: 0.7rem 1.2rem;
            border-radius: 30px;
            font-weight: 600;
            border: 1px solid #cbd5e0;
        }
        .link-list a:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        aside {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget h3 {
            color: var(--primary-color);
            font-size: 1.3rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
        }
        .search-form input {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            margin-bottom: 1rem;
        }
        .search-form button {
            width: 100%;
            padding: 0.8rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }
        .search-form button:hover {
            background-color: var(--accent-color);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.5rem;
            color: #ffd700;
            margin: 0.5rem 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius);
            margin-bottom: 0.8rem;
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button {
            width: 100%;
            padding: 0.8rem;
            background-color: var(--secondary-color);
            color: var(--primary-color);
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }
        .comment-form button:hover {
            background-color: #b8941f;
        }
        footer {
            background-color: var(--primary-color);
            color: var(--text-light);
            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: var(--secondary-color);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
            color: #cbd5e0;
        }
        friend-link:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .update-time {
            background-color: #e6fffa;
            color: #234e52;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
            margin-top: 2rem;
            display: inline-block;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary-color);
                padding: 1rem;
                margin-top: 1rem;
                border-radius: var(--border-radius);
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            article {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }