* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1a20;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #80c1ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a2b3a 0%, #0f1a20 100%);
            border-bottom: 2px solid #2a4d6d;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ff9900;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .logo a:hover {
            text-decoration: none;
            color: #ffcc66;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 1.5rem;
        }
        .nav-links a {
            color: #b0d0ff;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(45, 105, 165, 0.3);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            color: #ff9900;
            background: none;
            border: none;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #aaa;
            background-color: #15232d;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #80c1ff;
        }
        main {
            padding: 2rem 0;
            background-color: #15232d;
            border-radius: 8px;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            color: #ff9900;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            border-bottom: 3px solid #2a4d6d;
            padding-bottom: 1rem;
        }
        h2 {
            color: #4da6ff;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem 0;
            padding-left: 0.5rem;
            border-left: 5px solid #ff9900;
        }
        h3 {
            color: #b0d0ff;
            font-size: 1.5rem;
            margin: 2rem 0 1rem 0;
        }
        h4 {
            color: #ccccff;
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #ffcc66;
            font-weight: 600;
            text-align: center;
            margin-bottom: 2rem;
        }
        strong {
            color: #ffcc66;
        }
        em {
            color: #a3d9ff;
        }
        .highlight {
            background-color: rgba(255, 153, 0, 0.1);
            border-left: 4px solid #ff9900;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 5px 5px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .search-box, .comment-form, .rating-form {
            background-color: #1c2e3f;
            padding: 2rem;
            border-radius: 8px;
            margin: 3rem 0;
            border: 1px solid #2a4d6d;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            margin-top: 0;
            color: #ff9900;
        }
        form {
            display: flex;
            flex-direction: column;
        }
        input, textarea, select {
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #3a5a7a;
            border-radius: 4px;
            background-color: #0f1a20;
            color: #e0e0e0;
            font-size: 1rem;
        }
        button {
            padding: 0.8rem 1.5rem;
            background: linear-gradient(to right, #ff9900, #ff6600);
            color: #0f1a20;
            border: none;
            border-radius: 4px;
            font-weight: bold;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            align-self: flex-start;
        }
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(255, 153, 0, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .stars i {
            color: #555;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i.active {
            color: #ffcc00;
        }
        .article-image {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .article-image img {
            border-radius: 8px;
            border: 3px solid #2a4d6d;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        .article-image figcaption {
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .related-links {
            background-color: #1c2e3f;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links h3 {
            color: #4da6ff;
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .related-links li {
            background-color: #253a4f;
            padding: 0.8rem;
            border-radius: 4px;
            transition: background-color 0.3s;
        }
        .related-links li:hover {
            background-color: #2a4d6d;
        }
        .related-links a {
            color: #b0d0ff;
            display: block;
        }
        .related-links a:hover {
            text-decoration: none;
        }
        footer {
            background-color: #0a1219;
            color: #aaa;
            padding: 3rem 0 1.5rem;
            border-top: 2px solid #2a4d6d;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ff9900;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a4d6d;
            font-size: 0.9rem;
            color: #777;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #aaa;
            padding: 1rem 2rem;
            font-style: italic;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo {
                margin-bottom: 1rem;
                align-self: center;
                width: 100%;
                text-align: center;
            }
            nav {
                width: 100%;
                justify-content: space-between;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a2b3a;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 0;
                border-top: 1px solid #2a4d6d;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 0;
                text-align: center;
            }
            .nav-links a {
                display: block;
                padding: 1rem;
            }
            .hamburger {
                display: block;
                align-self: center;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            article {
                padding: 0 1rem;
            }
            .related-links ul {
                grid-template-columns: 1fr;
            }
        }