* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #f0f0f0;
            background: #0a0e17;
            background-image: radial-gradient(circle at 10% 20%, rgba(28, 58, 113, 0.2) 0%, transparent 20%), radial-gradient(circle at 90% 80%, rgba(113, 28, 28, 0.15) 0%, transparent 20%);
            max-width: 120rem;
            margin: 0 auto;
            padding: 0 1rem;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #a5d8ff;
            text-shadow: 0 0 8px rgba(77, 171, 247, 0.6);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            padding: 1.5rem 0;
            border-bottom: 2px solid #1e3a5c;
            margin-bottom: 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.5rem;
            background: linear-gradient(90deg, #ffd700, #c0c0c0, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            color: #c0c0c0;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(30, 58, 92, 0.6);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #ffd700;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            color: #a0a0a0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
            border-bottom: 1px dashed #333;
        }
        .breadcrumb a {
            color: #a0a0a0;
        }
        .breadcrumb a:hover {
            color: #ffd700;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background: rgba(16, 22, 36, 0.85);
            border-radius: 12px;
            padding: 2.5rem;
            border: 1px solid #1e3a5c;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .article-header {
            margin-bottom: 2.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px solid #2a4a6e;
        }
        .article-header h1 {
            font-size: 3rem;
            color: #ffd700;
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 0 2px 5px black;
        }
        .article-meta {
            color: #a0a0a0;
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .update-time {
            color: #4dabf7;
        }
        .article-content h2 {
            font-size: 2.2rem;
            color: #4dabf7;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2a4a6e;
        }
        .article-content h3 {
            font-size: 1.8rem;
            color: #a5d8ff;
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            font-size: 1.4rem;
            color: #c0c0c0;
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            color: #e0e0e0;
        }
        .article-content blockquote {
            border-left: 4px solid #ffd700;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #c0c0c0;
            background: rgba(255, 215, 0, 0.05);
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(30, 58, 92, 0.7), rgba(60, 30, 60, 0.7));
            border-left: 5px solid #ffd700;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .featured-image {
            margin: 2.5rem auto;
            text-align: center;
        }
        .featured-image img {
            border-radius: 10px;
            border: 2px solid #2a4a6e;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.7);
            max-width: 800px;
            width: 100%;
        }
        .image-caption {
            font-size: 0.9rem;
            color: #a0a0a0;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .related-links {
            background: rgba(42, 74, 110, 0.3);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links h4 {
            color: #ffd700;
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            padding-left: 1rem;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            position: relative;
            padding-left: 1.5rem;
        }
        .related-links li:before {
            content: '▶';
            color: #4dabf7;
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: rgba(16, 22, 36, 0.85);
            border-radius: 10px;
            padding: 1.8rem;
            border: 1px solid #1e3a5c;
        }
        .widget h3 {
            color: #ffd700;
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2a4a6e;
        }
        .search-form input[type="text"] {
            width: 100%;
            padding: 0.9rem;
            border-radius: 6px;
            border: 1px solid #2a4a6e;
            background: rgba(10, 14, 23, 0.8);
            color: #f0f0f0;
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        .search-form button {
            width: 100%;
            padding: 0.9rem;
            background: linear-gradient(to right, #1e3a5c, #2a4a6e);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(to right, #2a4a6e, #3a5a8a);
            box-shadow: 0 0 10px rgba(77, 171, 247, 0.5);
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 1.8rem;
            color: #444;
        }
        .stars a {
            color: #444;
            text-decoration: none;
        }
        .stars a:hover,
        .stars a.active {
            color: #ffd700;
            text-shadow: 0 0 10px gold;
        }
        .rating-form textarea {
            width: 100%;
            padding: 0.9rem;
            border-radius: 6px;
            border: 1px solid #2a4a6e;
            background: rgba(10, 14, 23, 0.8);
            color: #f0f0f0;
            font-size: 1rem;
            margin-bottom: 0.8rem;
            min-height: 120px;
            resize: vertical;
        }
        .rating-form input[type="text"],
        .rating-form input[type="email"] {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 0.8rem;
            border-radius: 6px;
            border: 1px solid #2a4a6e;
            background: rgba(10, 14, 23, 0.8);
            color: #f0f0f0;
        }
        .rating-form button {
            width: 100%;
            padding: 0.9rem;
            background: linear-gradient(to right, #5c1e3a, #8a2a4a);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        .rating-form button:hover {
            background: linear-gradient(to right, #8a2a4a, #b83a5a);
        }
        .site-footer {
            border-top: 2px solid #1e3a5c;
            padding: 2.5rem 0;
            margin-top: 3rem;
            text-align: center;
            color: #a0a0a0;
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
        }
        .friend-links a {
            display: inline-block;
            margin: 0 1rem;
            color: #c0c0c0;
        }
        .friend-links a:hover {
            color: #ffd700;
        }
        .copyright {
            margin-top: 1.5rem;
            font-size: 0.85rem;
            color: #777;
        }
        @media (max-width: 768px) {
            .site-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                font-size: 2rem;
                margin-bottom: 1rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 1rem;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0.5rem;
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                background: rgba(30, 58, 92, 0.3);
                border-radius: 6px;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .main-article {
                padding: 1.5rem;
            }
            .content-wrapper {
                gap: 2rem;
            }
        }