:root {
            --primary: #4a6fa5;
            --secondary: #ff6b6b;
            --accent: #5ae0aa;
            --dark: #2d3436;
            --light: #f9f9f9;
            --gray: #636e72;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark) 0%, #1a1e2e 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--accent), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 2.2rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--gray);
        }
        .search-container {
            display: flex;
            justify-content: center;
            margin: 3rem auto;
            max-width: 700px;
        }
        .search-form {
            display: flex;
            width: 100%;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            opacity: 0.9;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 3rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--dark);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary);
            background-color: rgba(74, 111, 165, 0.05);
            padding: 1.5rem;
            border-left: 5px solid var(--primary);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: rgba(255, 107, 107, 0.1);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--secondary);
            margin: 2rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        blockquote {
            font-style: italic;
            color: var(--gray);
            border-left: 4px solid var(--accent);
            padding-left: 2rem;
            margin: 2rem 0;
            font-size: 1.2rem;
        }
        .content-link {
            font-weight: 600;
            border-bottom: 2px dotted var(--primary);
        }
        .content-link:hover {
            border-bottom: 2px solid var(--secondary);
        }
        .user-interaction {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            margin: 4rem 0;
        }
        .comment-section, .rating-section {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .rating-section {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .stars {
            font-size: 2.5rem;
            color: #ffd700;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .interaction-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .interaction-form input, .interaction-form textarea {
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .interaction-form input:focus, .interaction-form textarea:focus {
            border-color: var(--primary);
        }
        .interaction-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(0,0,0,0.2);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-links h3, .friend-links h3 {
            color: var(--accent);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul, friend-link {
            list-style: none;
        }
        .footer-links li, friend-link a {
            margin-bottom: 0.8rem;
        }
        .footer-links a, friend-link a {
            color: #ddd;
        }
        .footer-links a:hover, friend-link a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: rgba(90, 224, 170, 0.1);
            padding: 1rem;
            border-radius: var(--border-radius);
            text-align: center;
            margin: 2rem 0;
            color: var(--dark);
            font-weight: 600;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            article { padding: 2rem; }
            .user-interaction { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background-color: var(--dark);
                flex-direction: column;
                align-items: center;
                padding: 2rem 0;
                transition: var(--transition);
                box-shadow: var(--shadow);
            }
            .nav-links.active {
                left: 0;
            }
            .hamburger { display: block; }
            .header-content { padding: 0 1rem; }
            .container { padding: 0 15px; }
            h1 { font-size: 2rem; }
        }