:root {
            --primary: #1a1a2e;
            --secondary: #16213e;
            --accent: #0f4c75;
            --highlight: #00adb5;
            --text: #eeeeee;
            --text-muted: #b0b0b0;
            --border: #2d4059;
            --success: #4ecdc4;
            --warning: #ffd166;
            --danger: #ef476f;
            --card-bg: rgba(255, 255, 255, 0.05);
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: var(--highlight);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--success);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--secondary);
            border-bottom: 2px solid var(--accent);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--highlight);
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(0, 173, 181, 0.5);
        }
        .my-logo:hover {
            color: var(--success);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav ul li a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        nav ul li a:hover {
            background-color: var(--accent);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--highlight);
        }
        .breadcrumb {
            background-color: var(--card-bg);
            padding: 15px;
            border-radius: 8px;
            margin: 20px 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            margin: 0 5px;
        }
        .breadcrumb span {
            color: var(--text-muted);
            margin: 0 5px;
        }
        .search-container {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            padding: 40px;
            border-radius: 12px;
            margin: 30px 0;
            text-align: center;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 20px auto 0;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            background-color: rgba(255,255,255,0.1);
            color: var(--text);
        }
        .search-form button {
            background-color: var(--highlight);
            color: var(--primary);
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .search-form button:hover {
            background-color: var(--success);
        }
        main {
            padding: 30px 0;
        }
        article {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 40px;
            margin-bottom: 40px;
            border-left: 5px solid var(--highlight);
        }
        h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--highlight);
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            color: var(--warning);
            border-bottom: 2px solid var(--border);
            padding-bottom: 10px;
        }
        h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: var(--success);
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: var(--text-muted);
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            background-color: rgba(15, 76, 117, 0.2);
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: rgba(255, 209, 102, 0.1);
            border-left: 4px solid var(--warning);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 30px auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
            border: 2px solid var(--border);
        }
        .legend {
            text-align: center;
            font-style: italic;
            color: var(--text-muted);
            margin-top: -20px;
            margin-bottom: 30px;
        }
        .content-link {
            font-weight: 600;
            border-bottom: 1px dashed var(--highlight);
        }
        .interaction-section {
            background-color: var(--secondary);
            padding: 30px;
            border-radius: 12px;
            margin-top: 50px;
        }
        .rating-form, .comment-form {
            margin-top: 20px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
            font-size: 1.8rem;
            color: var(--border);
        }
        .stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--warning);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background-color: rgba(255,255,255,0.05);
            color: var(--text);
            font-family: var(--font-main);
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .submit-btn:hover {
            background-color: var(--highlight);
        }
        footer {
            background-color: var(--secondary);
            padding: 50px 0 20px;
            border-top: 2px solid var(--accent);
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--highlight);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        friend-link {
            display: inline-block;
            background-color: var(--card-bg);
            padding: 10px 15px;
            border-radius: 6px;
            margin: 5px;
            border: 1px solid var(--border);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--success);
            font-weight: bold;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            nav ul { gap: 15px; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav { order: 3; width: 100%; margin-top: 20px; display: none; }
            nav.active { display: block; }
            nav ul { flex-direction: column; gap: 10px; }
            .hamburger { display: block; }
            .search-form { flex-direction: column; }
            .search-form input { border-radius: 8px; margin-bottom: 10px; }
            .search-form button { border-radius: 8px; padding: 15px; }
            article { padding: 25px; }
            .footer-content { grid-template-columns: 1fr; }
        }
        .text-center { text-align: center; }
        .mb-30 { margin-bottom: 30px; }
        .emoji { font-size: 1.2em; }