        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0a0e17 0%, #141b2d 50%, #0d111f 100%);
            background-attachment: fixed;
        }
        a {
            color: #5dadec;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #7dc4ff;
            text-shadow: 0 0 8px rgba(125, 196, 255, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(10, 14, 23, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(93, 173, 236, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 1.8rem;
            background: linear-gradient(90deg, #5dadec, #9b59b6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: inherit;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover {
            border-bottom-color: #5dadec;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: #5dadec;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #aaa;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .hero {
            padding: 40px 0;
            text-align: center;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #fff, #5dadec);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #bbb;
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
        }
        .main-content h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(93, 173, 236, 0.3);
            color: #fff;
        }
        .main-content h3 {
            font-size: 1.7rem;
            margin: 30px 0 15px;
            color: #d1e9ff;
        }
        .main-content h4 {
            font-size: 1.3rem;
            margin: 25px 0 10px;
            color: #b3d9ff;
        }
        .main-content p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .main-content .highlight {
            background: rgba(93, 173, 236, 0.1);
            border-left: 4px solid #5dadec;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .main-content ul, .main-content ol {
            margin-bottom: 20px;
            padding-left: 30px;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .featured-img {
            margin: 30px 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
            border: 1px solid rgba(93, 173, 236, 0.2);
        }
        .sidebar {
            margin-top: 40px;
        }
        .sidebar-widget {
            background: rgba(20, 25, 40, 0.7);
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 30px;
            border: 1px solid rgba(255,255,255,0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form input {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid #333;
            background: rgba(10,14,23,0.8);
            color: #fff;
            font-size: 1rem;
        }
        .search-form button {
            width: 100%;
            margin-top: 10px;
            padding: 12px;
            background: linear-gradient(90deg, #5dadec, #3a7ca5);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #6dbfff, #4a8cba);
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .stars {
            display: flex;
            gap: 5px;
            justify-content: center;
            font-size: 1.8rem;
            color: #444;
            margin: 10px 0;
        }
        .stars label {
            cursor: pointer;
        }
        .stars input {
            display: none;
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: #ffcc00;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #333;
            background: rgba(10,14,23,0.8);
            color: #fff;
            font-family: inherit;
            font-size: 1rem;
            min-height: 120px;
            resize: vertical;
        }
        .btn-submit {
            padding: 12px 25px;
            background: linear-gradient(90deg, #9b59b6, #8e44ad);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .btn-submit:hover {
            background: linear-gradient(90deg, #af7ac5, #9b59b6);
        }
        .related-links {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed rgba(255,255,255,0.1);
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links a::before {
            content: '▸';
            color: #5dadec;
        }
        .site-footer {
            background: #0a0e17;
            border-top: 1px solid rgba(93, 173, 236, 0.2);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: #fff;
        }
        friend-link {
            display: inline-block;
            background: rgba(93, 173, 236, 0.15);
            padding: 8px 15px;
            border-radius: 6px;
            margin: 5px;
            font-size: 0.9rem;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
            color: #888;
            font-size: 0.9rem;
        }
        .update-time {
            color: #5dadec;
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 14, 23, 0.98);
                padding: 20px;
                border-top: 1px solid rgba(93, 173, 236, 0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .main-content h2 {
                font-size: 1.9rem;
            }
            .main-content h3 {
                font-size: 1.5rem;
            }
        }
        .text-bold {
            font-weight: bold;
            color: #fff;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }
