* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #6366f1;
            --secondary-color: #8b5cf6;
            --dark-bg: #0f172a;
            --content-bg: #1e293b;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --accent-color: #f59e0b;
            --border-color: #334155;
            --card-bg: #1e293b;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
            --radius: 12px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 1.125rem;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-top: 1rem;
        }
        h2 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            border-left: 5px solid var(--accent-color);
            padding-left: 1.5rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            color: var(--secondary-color);
            margin-top: 2.5rem;
        }
        h4 {
            font-size: 1.5rem;
            color: var(--text-secondary);
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.8rem;
            color: var(--text-secondary);
        }
        strong {
            color: var(--text-primary);
            font-weight: 700;
        }
        em {
            color: var(--accent-color);
            font-style: italic;
        }
        header {
            background-color: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 2.2rem;
            color: var(--accent-color);
        }
        nav {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            background-color: var(--primary-color);
            color: white;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 0.5rem;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            padding: 1.5rem 0;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0 4rem;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--content-bg);
            padding: 3rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 2rem;
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border-color);
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            color: var(--accent-color);
            font-weight: 600;
        }
        .author {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
        }
        .author img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
        }
        .featured-image {
            margin: 2.5rem 0;
            position: relative;
            overflow: hidden;
            border-radius: var(--radius);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-secondary);
            margin-top: 1rem;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: var(--card-bg);
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--primary-color);
        }
        .search-form {
            display: flex;
            gap: 0;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.875rem 1.25rem;
            background-color: var(--dark-bg);
            border: 1px solid var(--border-color);
            border-right: none;
            border-radius: 50px 0 0 50px;
            color: var(--text-primary);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.875rem 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary-color);
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: var(--text-primary);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.875rem 1.25rem;
            background-color: var(--dark-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #475569;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-color);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed var(--border-color);
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
        }
        .related-links a:hover {
            color: var(--primary-color);
        }
        .related-links i {
            color: var(--primary-color);
        }
        .content-highlight {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
            border-left: 4px solid var(--primary-color);
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip-box {
            background-color: rgba(245, 158, 11, 0.1);
            border: 1px solid var(--accent-color);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .tip-box strong {
            color: var(--accent-color);
            display: block;
            margin-bottom: 0.5rem;
        }
        footer {
            background-color: var(--dark-bg);
            border-top: 1px solid var(--border-color);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-section h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: var(--card-bg);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin-bottom: 1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        friend-link:hover {
            border-color: var(--primary-color);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background-color: var(--dark-bg);
                width: 100%;
                padding: 2rem;
                transition: var(--transition);
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .nav-links.active {
                left: 0;
            }
            .hamburger {
                display: flex;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(6px, 6px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(6px, -6px);
            }
            article {
                padding: 2rem;
            }
            .main-grid {
                gap: 2rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade {
            animation: fadeInUp 0.6s ease-out;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }