* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #9c27b0;
            --primary-dark: #7b1fa2;
            --secondary: #ff4081;
            --accent: #00bcd4;
            --dark: #2d2d3a;
            --light: #f8f9fa;
            --gray: #6c757d;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --radius: 8px;
            --container-max: 1200px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: var(--light);
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--primary-dark);
        }
        h1 { font-size: 2.5rem; }
        h2 { font-size: 2rem; border-bottom: 2px solid var(--accent); padding-bottom: 0.5rem; }
        h3 { font-size: 1.75rem; }
        h4 { font-size: 1.5rem; }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--primary-dark);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background: #f1f1f1;
            padding: 1rem 1.5rem;
            font-size: 0.9rem;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: var(--container-max);
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .main-content {
            background: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .feature-box {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .feature-box h3 {
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
        }
        button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        button:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }
        .article-intro {
            font-size: 1.2rem;
            color: var(--gray);
            border-left: 4px solid var(--accent);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .highlight {
            background: #fff8e1;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            border-left: 4px solid #ffb300;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .img-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-card {
            background: #f8f9fa;
            padding: 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
            border: 1px solid #e9ecef;
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: var(--accent);
        }
        .link-card a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
            margin-bottom: 0.5rem;
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: var(--container-max);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1rem 0;
        }
        friend-link a {
            color: var(--accent);
            text-decoration: none;
            padding: 0.3rem 0.8rem;
            border: 1px solid var(--accent);
            border-radius: 20px;
            transition: var(--transition);
        }
        friend-link a:hover {
            background: var(--accent);
            color: var(--dark);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        .update-time {
            background: var(--primary);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            display: inline-block;
            font-size: 0.9rem;
            margin: 1rem 0;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .main-content {
                padding: 1.5rem;
            }
            .header-container {
                padding: 0 1rem;
            }
            .breadcrumb {
                padding: 1rem;
            }
        }
        @media (max-width: 480px) {
            .link-list {
                grid-template-columns: 1fr;
            }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
        }
        .text-bold { font-weight: 700; }
        .text-accent { color: var(--accent); }
        .text-secondary { color: var(--secondary); }
        .emoji { font-size: 1.2em; }
        .section-spacing { margin: 3rem 0; }
        .text-center { text-align: center; }