* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a1a2a;
            color: #e0e0e0;
            line-height: 1.7;
            background-image: radial-gradient(circle at 15% 50%, rgba(10, 60, 100, 0.2) 0%, transparent 20%), radial-gradient(circle at 85% 30%, rgba(20, 100, 150, 0.15) 0%, transparent 20%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #80ccff;
            text-shadow: 0 0 8px rgba(77, 166, 255, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .site-header {
            background: linear-gradient(135deg, #0c2340 0%, #09182c 100%);
            padding: 1.2rem 2rem;
            border-bottom: 3px solid #1a5a8a;
            box-shadow: 0 4px 12px rgba(0, 20, 40, 0.6);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ffaa00, #ffd700, #ffaa00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            letter-spacing: 1px;
            font-family: 'Palatino Linotype', 'Book Antiqua', Palatino, serif;
        }
        .my-logo:hover {
            animation: glimmer 1.5s ease-in-out infinite;
        }
        @keyframes glimmer {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.8; }
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #b3d9ff;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-size: 1.1rem;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(26, 90, 138, 0.4);
            color: #ffffff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ffaa00;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(15, 40, 70, 0.7);
            padding: 0.8rem 2rem;
            font-size: 0.95rem;
            border-bottom: 1px solid #2a4a6a;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            max-width: 1400px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #4da6ff;
        }
        .breadcrumb a {
            color: #b3d9ff;
        }
        .main-content {
            flex: 1;
            max-width: 1400px;
            width: 100%;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .article-content {
            background: rgba(15, 35, 60, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            border: 1px solid #2a5a8a;
            box-shadow: 0 10px 30px rgba(0, 15, 30, 0.5);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 2px solid #3a7aaa;
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffcc66;
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: #99ccff;
            font-size: 0.95rem;
            margin-top: 1rem;
        }
        .update-time {
            background-color: rgba(255, 170, 0, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            border-left: 4px solid #ffaa00;
        }
        .article-image {
            margin: 2.5rem 0;
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #a3c2e0;
            padding: 0.8rem;
            background-color: rgba(20, 50, 80, 0.6);
            border-radius: 0 0 12px 12px;
        }
        h2 {
            color: #66ccff;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed #3a7aaa;
        }
        h3 {
            color: #99ddff;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #bbeeff;
            font-size: 1.3rem;
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: rgba(255, 204, 102, 0.1);
            border-left: 4px solid #ffcc66;
            padding: 1.2rem;
            border-radius: 0 8px 8px 0;
            margin: 1.8rem 0;
        }
        .key-term {
            font-weight: bold;
            color: #ffcc66;
        }
        .related-links {
            background-color: rgba(40, 80, 120, 0.3);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border: 1px solid #4a8abb;
        }
        .related-links h4 {
            margin-top: 0;
            color: #80ccff;
        }
        .related-links ul {
            list-style-position: inside;
            color: #b3d9ff;
        }
        .related-links li {
            margin-bottom: 0.5rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: rgba(15, 35, 60, 0.7);
            border-radius: 12px;
            padding: 1.8rem;
            border: 1px solid #2a5a8a;
        }
        .widget-title {
            color: #ffcc66;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #3a7aaa;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem;
            border: 1px solid #3a7aaa;
            border-radius: 6px 0 0 6px;
            background-color: rgba(10, 30, 50, 0.8);
            color: #e0e0e0;
            font-size: 1rem;
        }
        .search-button {
            background-color: #1a5a8a;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background-color 0.3s;
            font-size: 1rem;
        }
        .search-button:hover {
            background-color: #2a7aaa;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #555;
            margin: 0.5rem 0;
        }
        .stars input {
            display: none;
        }
        .stars label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: #ffcc00;
        }
        .stars input:checked + label {
            color: #ffcc00;
        }
        .rating-widget button {
            background-color: #2a7a2a;
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .rating-widget button:hover {
            background-color: #3a9a3a;
        }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 1rem;
            border: 1px solid #3a7aaa;
            border-radius: 6px;
            background-color: rgba(10, 30, 50, 0.8);
            color: #e0e0e0;
            font-size: 1rem;
            resize: vertical;
            margin-bottom: 1rem;
        }
        .comment-form button {
            background-color: #1a5a8a;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .comment-form button:hover {
            background-color: #2a7aaa;
        }
        .site-footer {
            background: linear-gradient(135deg, #0a1522 0%, #081020 100%);
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
            border-top: 3px solid #1a5a8a;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h3 {
            color: #ffcc66;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        friend-link {
            display: block;
            background-color: rgba(40, 80, 120, 0.3);
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 2rem;
            grid-column: 1 / -1;
            border: 1px dashed #4a8abb;
        }
        friend-link h3 {
            text-align: center;
            color: #80ccff;
        }
        friend-link ul {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            list-style: none;
            margin-top: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2a4a6a;
            color: #99aacc;
            font-size: 0.9rem;
            grid-column: 1 / -1;
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 1rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #0c2340;
                padding: 1rem;
                border-top: 1px solid #1a5a8a;
                box-shadow: 0 10px 15px rgba(0,0,0,0.3);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .main-content {
                padding: 0 1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }