:root {
            --primary-dark: #0a0e17;
            --primary-blue: #00b4ff;
            --accent-orange: #ff7a00;
            --accent-purple: #8a2be2;
            --text-light: #e0e7ff;
            --text-gray: #a0aec0;
            --card-bg: #111827;
            --section-bg: #0d1422;
            --border-color: #1e293b;
            --success: #10b981;
            --warning: #f59e0b;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: var(--accent-orange);
            text-shadow: 0 0 8px rgba(255, 122, 0, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(180deg, rgba(10,14,23,0.95) 0%, rgba(10,14,23,0.7) 100%);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            padding: 1rem 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-blue), var(--accent-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
            text-transform: uppercase;
        }
        .my-logo:hover {
            background: linear-gradient(90deg, var(--accent-orange), var(--primary-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav.desktop-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--card-bg);
            border-top: 1px solid var(--border-color);
            padding: 1rem;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 0.8rem;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--text-gray);
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        .breadcrumb a:hover {
            color: var(--primary-blue);
        }
        .breadcrumb span {
            margin: 0 0.5rem;
        }
        .hero {
            background: radial-gradient(circle at 30% 20%, rgba(0,180,255,0.1) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(138,43,226,0.1) 0%, transparent 50%);
            padding: 3rem 0;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, var(--text-light), var(--primary-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: var(--text-gray);
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 1rem 1.5rem;
            border-radius: 50px;
            border: 2px solid var(--border-color);
            background-color: rgba(255,255,255,0.05);
            color: var(--text-light);
            font-size: 1rem;
            outline: none;
            transition: all 0.3s ease;
        }
        .search-box input:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 15px rgba(0,180,255,0.3);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--primary-blue);
            border: none;
            color: white;
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-box button:hover {
            background: var(--accent-orange);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .content {
            background-color: var(--section-bg);
            border-radius: 12px;
            padding: 2.5rem;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        article h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--primary-blue);
            color: var(--text-light);
        }
        article h3 {
            font-size: 1.7rem;
            margin: 2rem 0 1rem;
            color: var(--primary-blue);
        }
        article h4 {
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--accent-orange);
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(0,180,255,0.1), rgba(138,43,226,0.1));
            border-left: 4px solid var(--primary-blue);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background-color: var(--card-bg);
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            text-align: center;
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 1rem;
        }
        .stat-card h4 {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background-color: var(--section-bg);
            border-radius: 12px;
            padding: 1.8rem;
            border: 1px solid var(--border-color);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            color: var(--accent-orange);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }
        .rating-widget .stars i {
            font-size: 2rem;
            color: var(--text-gray);
            cursor: pointer;
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .rating-widget .stars i:hover,
        .rating-widget .stars i.active {
            color: var(--warning);
            transform: scale(1.1);
        }
        .rating-widget button {
            width: 100%;
            padding: 0.9rem;
            background: linear-gradient(90deg, var(--primary-blue), var(--accent-purple));
            border: none;
            border-radius: 8px;
            color: white;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .rating-widget button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0,180,255,0.3);
        }
        .comment-form textarea {
            width: 100%;
            min-height: 150px;
            padding: 1rem;
            background-color: rgba(255,255,255,0.05);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-light);
            margin-bottom: 1rem;
            resize: vertical;
            outline: none;
        }
        .comment-form textarea:focus {
            border-color: var(--primary-blue);
        }
        .comment-form button {
            padding: 0.9rem 2rem;
            background-color: var(--success);
            border: none;
            border-radius: 8px;
            color: white;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .comment-form button:hover {
            background-color: #0da271;
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--text-gray);
            text-align: center;
            padding: 1rem;
            border-top: 1px solid var(--border-color);
            margin-top: 2rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            box-shadow: 0 10px 25px rgba(0,0,0,0.5);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            padding: 1rem;
            background-color: var(--card-bg);
            color: var(--text-gray);
            font-style: italic;
        }
        footer {
            background-color: var(--section-bg);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: var(--primary-blue);
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section ul li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(0,180,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: 6px;
            margin: 0.3rem;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        friend-link:hover {
            background-color: rgba(0,180,255,0.2);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content nav.desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            article h2 {
                font-size: 1.9rem;
            }
            .content, .widget {
                padding: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }