* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2E5BFF;
            --secondary: #00C9A7;
            --accent: #FF6B6B;
            --dark: #1A1F36;
            --light: #F7F9FC;
            --gray: #6B7C93;
            --border: #E3E8EE;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.7;
            font-size: 1rem;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            padding: 15px 0;
            border-bottom: 1px solid var(--border);
        }
        .header-top .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
        }
        .my-logo span {
            color: var(--accent);
        }
        .search-form {
            display: flex;
            flex-grow: 1;
            max-width: 500px;
            margin: 0 30px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 20px;
            border: 2px solid var(--border);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            cursor: pointer;
        }
        nav {
            background: var(--dark);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            color: white;
            padding: 18px 20px;
            display: block;
            font-weight: 500;
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: rgba(255,255,255,0.1);
            color: var(--secondary);
        }
        .nav-links a i {
            margin-right: 8px;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #f0f4f8;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--dark);
            font-weight: 500;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        aside {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
            align-self: start;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            color: var(--dark);
        }
        .code-list {
            list-style: none;
        }
        .code-list li {
            background: #f8faff;
            margin-bottom: 10px;
            padding: 12px 15px;
            border-radius: 8px;
            border-left: 4px solid var(--secondary);
            font-family: 'Courier New', monospace;
            font-weight: bold;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .code-list li .reward {
            color: var(--accent);
            font-size: 0.9rem;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--dark);
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            color: var(--dark);
        }
        h3 {
            font-size: 1.5rem;
            margin: 30px 0 15px;
            color: var(--dark);
        }
        h4 {
            font-size: 1.2rem;
            margin: 25px 0 10px;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--gray);
            font-weight: 300;
            margin-bottom: 30px;
        }
        .highlight {
            background: linear-gradient(120deg, #fdf6b2 0%, #fdf6b2 100%);
            padding: 20px;
            border-radius: var(--radius);
            border-left: 5px solid var(--secondary);
            margin: 25px 0;
        }
        .info-box {
            background: #e8f4fd;
            border-left: 5px solid var(--primary);
            padding: 20px;
            border-radius: var(--radius);
            margin: 25px 0;
        }
        .warning-box {
            background: #fff5f5;
            border-left: 5px solid var(--accent);
            padding: 20px;
            border-radius: var(--radius);
            margin: 25px 0;
        }
        blockquote {
            font-style: italic;
            color: var(--gray);
            border-left: 4px solid var(--secondary);
            padding-left: 20px;
            margin: 25px 0;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 8px;
        }
        strong {
            color: var(--dark);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
            color: var(--gray);
            font-size: 0.95rem;
        }
        .update-time {
            background: var(--primary);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-weight: 600;
        }
        .featured-img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            margin: 25px 0;
        }
        .content-link {
            background: #f0f7ff;
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 500;
        }
        .content-link:hover {
            background: var(--primary);
            color: white;
        }
        .button {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .button:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(46, 91, 255, 0.2);
        }
        .button-secondary {
            background: var(--secondary);
        }
        .comments-section, .rating-section {
            background: white;
            border-radius: var(--radius);
            padding: 30px;
            margin-top: 40px;
            box-shadow: var(--shadow);
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 15px;
            margin-top: 20px;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFD700;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 8px;
            font-weight: 600;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 91, 255, 0.1);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-column h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #b0b7c3;
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: var(--radius);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #b0b7c3;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-top .container {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin: 15px 0 0;
                max-width: 100%;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-container {
                flex-direction: column;
                align-items: stretch;
            }
            .nav-links {
                flex-direction: column;
                display: none;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links a {
                padding: 15px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            article {
                padding: 25px;
            }
            .featured-img {
                height: 250px;
            }
        }
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }