* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #4CAF50;
            --primary-dark: #388E3C;
            --secondary: #FF9800;
            --accent: #FF5722;
            --dark: #2C3E50;
            --light: #ECF0F1;
            --gray: #95A5A6;
            --text: #333;
            --text-light: #777;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f9f9f9;
            color: var(--text);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        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(--primary);
            color: white;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: var(--dark);
            position: relative;
            padding-bottom: 15px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .text-center {
            text-align: center;
        }
        header {
            background-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 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .my-logo:hover {
            color: var(--primary-dark);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            font-weight: 600;
            color: var(--dark);
            padding: 5px 0;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--dark);
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 12px 20px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb span {
            margin: 0 8px;
            color: var(--gray);
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: var(--primary-dark);
        }
        main {
            flex: 1;
            background: white;
            padding: 30px 0;
        }
        .article-content {
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
        }
        .article-content h1 {
            font-size: 3rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .article-content h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin: 3rem 0 1.5rem;
            padding-top: 1rem;
            border-top: 2px dashed var(--light);
        }
        .article-content h3 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin: 2.5rem 0 1rem;
        }
        .article-content h4 {
            font-size: 1.4rem;
            color: var(--secondary);
            margin: 2rem 0 1rem;
        }
        .article-content p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            color: var(--text);
        }
        .article-content strong {
            color: var(--dark);
            font-weight: 700;
        }
        .article-content em {
            color: var(--text-light);
        }
        .highlight-box {
            background: linear-gradient(135deg, #fdfcfb 0%, #f5f7fa 100%);
            border-left: 5px solid var(--secondary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            box-shadow: var(--shadow);
        }
        .img-container {
            margin: 40px auto;
            text-align: center;
        }
        .img-container img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 0 auto;
            max-height: 500px;
            object-fit: cover;
        }
        .img-caption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 40px 0;
            padding: 25px;
            background: var(--light);
            border-radius: var(--radius);
        }
        .content-links a {
            background: white;
            padding: 10px 20px;
            border-radius: 30px;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .content-links a:hover {
            transform: translateY(-3px);
        }
        .update-time {
            background: var(--light);
            padding: 15px;
            border-radius: var(--radius);
            margin: 40px 0;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .interaction-section {
            background: #f5f7fa;
            padding: 50px 20px;
            border-radius: var(--radius);
            margin: 60px 0;
        }
        .rating-box, .comment-box {
            background: white;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 20px 0;
            font-size: 2rem;
            color: var(--gray);
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #FFC107;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .footer-links h4 {
            color: var(--secondary);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 20px 0;
            padding: 15px;
            background: rgba(255,255,255,0.05);
            border-radius: var(--radius);
        }
        friend-link a {
            color: var(--secondary);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .section-title {
                font-size: 2.2rem;
            }
            .article-content h1 {
                font-size: 2.5rem;
            }
            .article-content h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: white;
                position: absolute;
                top: 100%;
                left: 0;
                box-shadow: var(--shadow);
                padding: 20px;
                z-index: 999;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 10px 0;
            }
            .article-content h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
            .section {
                padding: 40px 0;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                flex-direction: column;
                border-radius: var(--radius);
            }
            .search-input, .search-btn {
                width: 100%;
                border-radius: 0;
            }
            .search-input {
                border-radius: var(--radius) var(--radius) 0 0;
            }
            .search-btn {
                border-radius: 0 0 var(--radius) var(--radius);
                padding: 15px;
            }
            .btn {
                padding: 10px 20px;
            }
        }