* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --primary: #8B0000; 
            --secondary: #D4AF37; 
            --dark: #1a1a1a;
            --light: #f5f5f5;
            --gray: #444;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 8px;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: var(--light);
            max-width: 1920px;
            margin: 0 auto;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(to right, var(--dark), #2a0a0a);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--secondary);
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            transition: var(--transition);
        }
        .my-logo:hover {
            color: white;
            transform: scale(1.03);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: var(--primary);
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #e9ecef;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .search-container {
            padding: 1.5rem 2rem;
            background-color: #fff;
            border-bottom: 1px solid #ddd;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #ccc;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #a00;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        article h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 1rem;
        }
        article h2 {
            color: var(--dark);
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-left: 0.5rem;
            border-left: 5px solid var(--primary);
        }
        article h3 {
            color: var(--gray);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        article h4 {
            color: #555;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        article strong {
            color: var(--primary);
            font-weight: 700;
        }
        article em {
            color: var(--gray);
            font-style: italic;
        }
        .intro {
            font-size: 1.2rem;
            background: linear-gradient(to right, #f9f9f9, #fff);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--secondary);
            margin-bottom: 2.5rem;
        }
        .featured-image {
            margin: 2.5rem auto;
            text-align: center;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0,0,0,0.15);
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .caption {
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background-color: #f9f9f9;
        }
        .link-list {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            columns: 2;
        }
        .link-list li { margin-bottom: 0.8rem; }
        .link-list a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
            padding: 0.2rem 0;
        }
        .link-list a:hover {
            color: #a00;
            transform: translateX(5px);
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #777;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed #ccc;
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary);
        }
        .rating-widget input[type="radio"] { display: none; }
        .rating-widget label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget input:checked ~ label,
        .rating-widget label:hover,
        .rating-widget label:hover ~ label {
            color: var(--secondary);
        }
        .comment-form textarea,
        .rating-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
            font-weight: bold;
        }
        .submit-btn:hover {
            background-color: #a00;
        }
        footer {
            background-color: var(--dark);
            color: #ccc;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-section h4 {
            color: var(--secondary);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        @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; }
            .main-nav ul { flex-direction: column; gap: 0.5rem; }
            .hamburger { display: block; }
            article { padding: 1.5rem; }
            article h1 { font-size: 2.2rem; }
            .main-content { padding: 1rem; }
            .link-list ul { columns: 1; }
        }
        a:hover, button:hover { opacity: 0.9; }
        .highlight {
            background: linear-gradient(120deg, #fffbcc 0%, #fffbcc 100%);
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
        }
        .tooltip {
            position: relative;
            border-bottom: 1px dotted var(--primary);
            cursor: help;
        }
        .tooltip:hover::after {
            content: attr(data-tooltip);
            position: absolute;
            background: var(--dark);
            color: white;
            padding: 0.5rem;
            border-radius: 5px;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            white-space: nowrap;
            z-index: 10;
        }