* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #2a4365;
            --secondary-color: #ecc94b;
            --accent-color: #38b2ac;
            --text-dark: #2d3748;
            --text-light: #f7fafc;
            --bg-light: #f8f9fa;
            --bg-section: #e6fffa;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3rem;
            --border-radius: 8px;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.7;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .highlight {
            background-color: var(--secondary-color);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #1a202c);
            color: var(--text-light);
            padding: var(--spacing-sm) 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: var(--spacing-sm);
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--text-light);
            text-decoration: none;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #2c7a7b;
        }
        nav {
            background-color: rgba(255, 255, 255, 0.05);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: var(--spacing-xs) 0;
        }
        .nav-desktop {
            display: flex;
            justify-content: center;
            gap: var(--spacing-md);
            list-style: none;
        }
        .nav-desktop a {
            color: var(--text-light);
            padding: 0.8rem 1rem;
            border-radius: var(--border-radius);
            font-weight: 500;
        }
        .nav-desktop a:hover {
            background-color: rgba(236, 201, 75, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            list-style: none;
            background-color: var(--primary-color);
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            margin-top: var(--spacing-sm);
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            font-size: 0.9rem;
            color: #718096;
        }
        .breadcrumb a {
            color: #718096;
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        main {
            padding: var(--spacing-md) 0;
        }
        article {
            background-color: white;
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow);
            margin-bottom: var(--spacing-lg);
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: var(--spacing-sm);
        }
        h2 {
            color: var(--primary-color);
            font-size: 2rem;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            padding-top: var(--spacing-sm);
        }
        h3 {
            color: #2c5282;
            font-size: 1.6rem;
            margin: var(--spacing-md) 0 var(--spacing-xs);
        }
        h4 {
            color: #4a5568;
            font-size: 1.3rem;
            margin: var(--spacing-sm) 0 var(--spacing-xs);
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #4a5568;
            font-weight: 500;
            margin-bottom: var(--spacing-md);
            padding: var(--spacing-sm);
            background-color: var(--bg-section);
            border-left: 5px solid var(--accent-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid #e2e8f0;
            margin-bottom: var(--spacing-md);
            color: #718096;
            font-size: 0.95rem;
        }
        .updated-time {
            background-color: #fed7d7;
            color: #9b2c2c;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
        }
        .featured-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            margin: var(--spacing-md) 0;
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
        }
        .content-section {
            margin-bottom: var(--spacing-lg);
        }
        .quote {
            font-size: 1.4rem;
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            background: linear-gradient(to right, #e6fffa, #ebf8ff);
            border-left: 6px solid var(--accent-color);
            border-radius: var(--border-radius);
            font-style: italic;
            color: #2d3748;
            text-align: center;
        }
        .interactive-box {
            background-color: #fefcbf;
            border: 2px dashed #d69e2e;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: var(--spacing-sm);
            margin: var(--spacing-md) 0;
        }
        .link-card {
            background: white;
            border: 1px solid #e2e8f0;
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: var(--accent-color);
        }
        .user-interaction {
            margin: var(--spacing-lg) 0;
            padding: var(--spacing-md);
            background-color: #f7fafc;
            border-radius: var(--border-radius);
            border: 1px solid #e2e8f0;
        }
        .rating-section, .comment-section {
            margin-bottom: var(--spacing-md);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ecc94b;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        input, textarea {
            padding: 0.9rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-size: 1rem;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        button[type="submit"] {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            align-self: flex-start;
        }
        button[type="submit"]:hover {
            background-color: var(--accent-color);
        }
        footer {
            background-color: #1a202c;
            color: var(--text-light);
            padding: var(--spacing-lg) 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-section h3 {
            color: var(--secondary-color);
            margin-bottom: var(--spacing-sm);
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px dashed #4a5568;
        }
        friend-link a {
            color: #cbd5e0;
        }
        friend-link a:hover {
            color: var(--secondary-color);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid #2d3748;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .header-top {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
            .search-form {
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .article-meta { flex-direction: column; align-items: flex-start; }
            .link-list { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            article { padding: var(--spacing-md); }
            .quote { font-size: 1.2rem; padding: var(--spacing-sm); }
        }