* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #e74c3c;
            --accent: #3498db;
            --light: #ecf0f1;
            --dark: #2c3e50;
            --text: #333;
            --gray: #95a5a6;
            --success: #27ae60;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: var(--text);
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: var(--accent);
            color: white;
            padding: 12px 24px;
            border-radius: var(--radius);
            border: none;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-2px);
        }
        .section {
            padding: 60px 0;
        }
        header {
            background: var(--primary);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo .my-logo {
            color: var(--accent);
            font-style: italic;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .logo a:hover {
            color: var(--light);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            background: var(--accent);
            color: white;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            background: var(--dark);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 15px 0;
        }
        .mobile-nav a {
            color: white;
            font-size: 1.1rem;
            display: block;
            padding: 10px;
            border-radius: 4px;
        }
        .mobile-nav a:hover {
            background: var(--accent);
        }
        .breadcrumb {
            background: var(--light);
            padding: 15px 0;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--dark);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1549812474-9f8e6e47d493?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover;
            color: white;
            text-align: center;
            padding: 80px 0;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto 0;
            background: rgba(255,255,255,0.15);
            padding: 30px;
            border-radius: var(--radius);
            backdrop-filter: blur(5px);
        }
        .search-box form {
            display: flex;
            gap: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background: var(--secondary);
            color: white;
            border: none;
            border-radius: var(--radius);
            padding: 0 25px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #c0392b;
        }
        main {
            flex: 1;
            background: white;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            padding-right: 20px;
            border-right: 1px solid #eee;
        }
        @media (max-width: 992px) {
            article {
                border-right: none;
                padding-right: 0;
            }
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--light);
            color: var(--gray);
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--secondary);
            font-weight: 600;
        }
        h1, h2, h3, h4 {
            color: var(--primary);
            margin: 1.5em 0 0.8em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 0;
        }
        h2 {
            font-size: 2.2rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--dark);
        }
        h4 {
            font-size: 1.4rem;
            color: var(--secondary);
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .highlight {
            background: #fff9e6;
            border-left: 4px solid #f1c40f;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-style: italic;
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 8px;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-img {
            width: 100%;
            border-radius: var(--radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: var(--light);
            padding: 20px;
            border-radius: var(--radius);
            text-align: center;
            transition: var(--transition);
            border-top: 4px solid var(--accent);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-card .number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
            line-height: 1;
        }
        .link-list {
            background: #f8f9fa;
            padding: 25px;
            border-radius: var(--radius);
            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;
            margin-left: 0;
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0;
        }
        .link-list a {
            display: block;
            padding: 12px 15px;
            background: white;
            border-radius: 6px;
            border-left: 4px solid var(--accent);
            transition: var(--transition);
        }
        .link-list a:hover {
            background: var(--accent);
            color: white;
            transform: translateX(5px);
        }
        aside {
            padding-left: 20px;
        }
        @media (max-width: 992px) {
            aside {
                padding-left: 0;
                border-top: 2px solid #eee;
                padding-top: 40px;
            }
        }
        .sidebar-widget {
            background: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            margin-bottom: 30px;
            border-top: 4px solid var(--secondary);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-widget h3 i {
            color: var(--secondary);
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            font-size: 1.8rem;
            color: #f1c40f;
            margin: 10px 0;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            height: 150px;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
        }
        .comment-form input[type="text"],
        .comment-form input[type="email"] {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--accent);
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #bbb;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-links {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 25px;
            border-radius: var(--radius);
            margin-top: 30px;
        }
        friend-links h4 {
            color: var(--accent);
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        friend-links a {
            display: inline-block;
            margin-right: 15px;
            margin-bottom: 10px;
            color: #bbb;
            border: 1px solid #555;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        friend-links a:hover {
            background: var(--accent);
            color: white;
            border-color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #bbb;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            .search-box form {
                flex-direction: column;
            }
            .search-box button {
                padding: 15px;
            }
        }