:root {
            --primary-dark: #1a1a1a;
            --primary-accent: #c5a269;
            --secondary-accent: #4a6c7d;
            --text-primary: #e0e0e0;
            --text-secondary: #a0a0a0;
            --background-alt: #252525;
            --border-color: #444;
            --success-color: #4caf50;
            --warning-color: #ff9800;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--primary-dark);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e8c988;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            padding: 1.5rem 0;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 2rem;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-accent);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .main-nav {
            display: flex;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-list a {
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-accent);
            transition: width 0.3s ease;
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            margin: 1rem 0 2rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        .search-container {
            margin: 2rem 0;
            background: var(--background-alt);
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background: #333;
            color: var(--text-primary);
            font-size: 1rem;
        }
        .search-btn {
            padding: 12px 25px;
            background: var(--primary-accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-btn:hover {
            background: #e8c988;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: var(--background-alt);
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--primary-accent);
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--warning-color);
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--text-primary);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-accent);
        }
        h3 {
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
            color: var(--primary-accent);
        }
        h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--text-secondary);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(197, 162, 105, 0.1);
            border-left: 4px solid var(--primary-accent);
            padding: 1.2rem;
            margin: 1.5rem 0;
            font-style: italic;
        }
        .tip-box {
            background: rgba(74, 108, 125, 0.1);
            border: 1px solid var(--secondary-accent);
            border-radius: 6px;
            padding: 1.2rem;
            margin: 1.5rem 0;
        }
        .tip-box i {
            color: var(--secondary-accent);
            margin-right: 10px;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .image-caption {
            margin-top: 0.8rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-style: italic;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        aside {
            background: var(--background-alt);
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 20px;
        }
        .sidebar-section {
            margin-bottom: 2rem;
        }
        .sidebar-title {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: var(--primary-accent);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .related-links {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .related-links li::before {
            content: '▶';
            position: absolute;
            left: 0;
            color: var(--primary-accent);
            font-size: 0.8rem;
        }
        .rating-section, .comment-section {
            background: var(--background-alt);
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            box-shadow: var(--shadow);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .star-rating .star {
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: gold;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: 600;
        }
        .form-input, .form-textarea {
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background: #333;
            color: var(--text-primary);
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            align-self: flex-start;
            padding: 12px 30px;
            background: var(--primary-accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .submit-btn:hover {
            background: #e8c988;
        }
        footer {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--primary-accent);
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            padding: 0.5rem 0;
            border-bottom: 1px dashed var(--border-color);
        }
        .copyright {
            text-align: center;
            padding: 1.5rem 0;
            border-top: 1px solid var(--border-color);
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .main-nav {
                width: 100%;
                margin-top: 1rem;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                gap: 0;
            }
            .nav-list li {
                border-bottom: 1px solid var(--border-color);
            }
            .nav-list a {
                display: block;
                padding: 0.8rem 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 15px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article {
                padding: 1.5rem;
            }
            .content-wrapper {
                gap: 1.5rem;
            }
        }