:root {
            --primary-dark: #0a0e17;
            --primary-blue: #1a5fce;
            --primary-accent: #00d4ff;
            --secondary-gold: #c9a74d;
            --text-light: #e6f1ff;
            --text-gray: #a8b2d1;
            --bg-card: #112240;
            --border-color: #233554;
            --success: #64ffda;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--secondary-gold);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(10, 14, 23, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-accent), var(--primary-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        nav.desktop-nav {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            nav.desktop-nav {
                display: none;
            }
        }
        nav.desktop-nav a {
            color: var(--text-gray);
            font-weight: 500;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }
        nav.desktop-nav a:hover,
        nav.desktop-nav a.active {
            color: var(--primary-accent);
            border-bottom-color: var(--primary-accent);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--bg-card);
            border-top: 1px solid var(--border-color);
            display: none;
            flex-direction: column;
            padding: 20px;
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: var(--text-light);
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 1.1rem;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-gray);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        main {
            padding: 40px 0;
        }
        article {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            article {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background-color: var(--bg-card);
            border-radius: 10px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--text-light);
            line-height: 1.2;
            border-left: 5px solid var(--primary-accent);
            padding-left: 20px;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            flex-wrap: wrap;
            gap: 15px;
        }
        .update-time {
            color: var(--success);
            font-size: 0.95rem;
        }
        .word-count {
            background-color: var(--primary-blue);
            color: white;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: var(--secondary-gold);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--text-light);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 12px;
            color: var(--primary-accent);
        }
        p {
            margin-bottom: 20px;
            color: var(--text-gray);
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 300;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .highlight {
            background-color: rgba(26, 95, 206, 0.1);
            border-left: 4px solid var(--primary-blue);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 8px;
            margin: 30px 0;
            border: 1px solid var(--border-color);
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
            color: var(--text-gray);
        }
        li {
            margin-bottom: 10px;
        }
        strong {
            color: var(--text-light);
            font-weight: 600;
        }
        em {
            color: var(--secondary-gold);
            font-style: italic;
        }
        .link-list {
            background-color: rgba(0, 212, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 25px;
            margin: 30px 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
            list-style: none;
            margin-left: 0;
        }
        .link-list li {
            margin-bottom: 8px;
        }
        .link-list a {
            display: block;
            padding: 8px 12px;
            background-color: rgba(255, 255, 255, 0.03);
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .link-list a:hover {
            background-color: rgba(0, 212, 255, 0.1);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: var(--bg-card);
            border-radius: 10px;
            padding: 25px;
            border: 1px solid var(--border-color);
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--secondary-gold);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 15px;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-right: none;
            border-radius: 5px 0 0 5px;
            color: var(--text-light);
        }
        .search-box button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-box button:hover {
            background-color: #0f4bac;
        }
        .rating-widget .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
        }
        .stars i {
            color: var(--text-gray);
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .stars i.active,
        .stars i:hover {
            color: var(--secondary-gold);
        }
        .rating-form input,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: 5px;
            color: var(--text-light);
        }
        .rating-form button,
        .comment-form button {
            width: 100%;
            padding: 12px;
            background-color: var(--success);
            color: var(--primary-dark);
            border: none;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            opacity: 0.9;
        }
        .comments-list {
            max-height: 400px;
            overflow-y: auto;
            padding-right: 10px;
        }
        .comment-item {
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .comment-author {
            font-weight: 600;
            color: var(--text-light);
        }
        .comment-date {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-left: 10px;
        }
        .comment-text {
            margin-top: 8px;
            color: var(--text-gray);
        }
        footer {
            background-color: #070b14;
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-accent);
            margin-bottom: 15px;
        }
        .footer-about p {
            color: var(--text-gray);
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: var(--text-gray);
        }
        friend-link a:hover {
            color: var(--primary-accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .copyright a {
            color: var(--text-gray);
        }
        .copyright a:hover {
            color: var(--primary-accent);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .tag {
            display: inline-block;
            background-color: rgba(0, 212, 255, 0.1);
            color: var(--primary-accent);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.85rem;
            margin-right: 8px;
            margin-bottom: 8px;
        }
        .toc {
            background-color: rgba(17, 34, 64, 0.5);
            border-radius: 8px;
            padding: 25px;
            margin-bottom: 30px;
            border-left: 4px solid var(--secondary-gold);
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ul {
            columns: 2;
            list-style: none;
            margin-left: 0;
        }
        @media (max-width: 768px) {
            .toc ul {
                columns: 1;
            }
        }
        .toc a {
            color: var(--text-gray);
            display: block;
            padding: 5px 0;
        }
        .toc a:hover {
            color: var(--primary-accent);
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-area, .sidebar-widget {
            animation: fadeIn 0.6s ease-out;
        }