:root {
            --primary-dark: #1a2a3a;
            --primary-accent: #0ea5e9;
            --secondary-accent: #f59e0b;
            --dragon-fire: #dc2626;
            --text-light: #f8fafc;
            --text-gray: #94a3b8;
            --bg-dark: #0f172a;
            --bg-card: #1e293b;
            --border-color: #334155;
            --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background-color: var(--bg-dark);
            background-image: radial-gradient(circle at 20% 30%, rgba(14, 165, 233, 0.08) 0%, transparent 20%),
                              radial-gradient(circle at 80% 70%, rgba(220, 38, 38, 0.05) 0%, transparent 20%);
            overflow-x: hidden;
        }
        .site-header {
            background-color: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-link {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--dragon-fire);
            transition: width 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary-accent);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            max-width: 1280px;
            margin: 1rem auto;
            padding: 0 1.5rem;
            font-size: 0.9rem;
            color: var(--text-gray);
        }
        .breadcrumb a {
            color: var(--primary-accent);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem 3rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, var(--text-light), var(--primary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--secondary-accent);
            border-left: 4px solid var(--dragon-fire);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: var(--primary-accent);
        }
        h4 {
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--text-light);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-gray);
            font-weight: 300;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(220, 38, 38, 0.1), transparent);
            border-left: 3px solid var(--dragon-fire);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        strong {
            color: var(--secondary-accent);
            font-weight: 700;
        }
        em {
            color: var(--primary-accent);
            font-style: italic;
        }
        a.content-link {
            color: var(--primary-accent);
            text-decoration: none;
            border-bottom: 1px dashed currentColor;
            transition: var(--transition);
        }
        a.content-link:hover {
            color: var(--dragon-fire);
            border-bottom-style: solid;
        }
        .article-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            border: 2px solid var(--border-color);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .widget {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid var(--border-color);
        }
        .widget-title {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: var(--secondary-accent);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.75rem 1rem;
            background: var(--primary-dark);
            border: 1px solid var(--border-color);
            border-right: none;
            border-radius: 8px 0 0 8px;
            color: var(--text-light);
            outline: none;
        }
        .search-button {
            background: var(--primary-accent);
            color: white;
            border: none;
            padding: 0 1.25rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background: var(--dragon-fire);
        }
        .rating-container {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: var(--text-gray);
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--secondary-accent);
            transform: scale(1.2);
        }
        .rating-form input, .rating-form button {
            width: 100%;
            padding: 0.75rem;
            margin-top: 0.75rem;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--primary-dark);
            color: var(--text-light);
        }
        .rating-form button {
            background: linear-gradient(90deg, var(--primary-accent), var(--dragon-fire));
            color: white;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        .comment-form textarea {
            width: 100%;
            min-height: 120px;
            padding: 1rem;
            background: var(--primary-dark);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-light);
            resize: vertical;
            margin-bottom: 0.75rem;
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--text-gray);
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        site-footer {
            background-color: var(--primary-dark);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
            display: inline-block;
        }
        .footer-links h4 {
            color: var(--text-light);
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.6rem;
        }
        .footer-links a {
            color: var(--text-gray);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-accent);
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
        }
        friend-link a {
            color: var(--secondary-accent);
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 0 1rem;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-dark);
                border-top: 1px solid var(--border-color);
                padding: 1.5rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            .mobile-toggle {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .main-container {
                padding: 0 1rem 2rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .widget {
            animation: fadeIn 0.6s ease-out;
        }