:root {
            --primary: #1a1a2e;
            --secondary: #16213e;
            --accent: #0fcc45;
            --accent-light: #4cff7a;
            --text: #e6e6e6;
            --text-muted: #b0b0b0;
            --card-bg: rgba(255, 255, 255, 0.05);
            --border: rgba(255, 255, 255, 0.1);
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            min-height: 100vh;
            padding-top: 80px;
        }
        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffffff;
            text-shadow: 0 0 8px var(--accent-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(22, 33, 62, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            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: 900;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-family: 'Arial Black', sans-serif;
            text-shadow: 0 0 15px rgba(15, 204, 69, 0.5);
        }
        .my-logo:hover {
            color: var(--accent-light);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a i {
            font-size: 1.2rem;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text);
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--text-muted);
        }
        .search-container {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 25px;
            margin: 30px 0;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid var(--accent);
            border-radius: 8px 0 0 8px;
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--text);
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--accent-light);
        }
        main {
            padding: 40px 0;
        }
        article {
            background-color: var(--card-bg);
            border-radius: 16px;
            padding: 40px;
            margin-bottom: 40px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 25px;
            color: #ffffff;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2.4rem;
            margin: 50px 0 25px;
            color: var(--accent-light);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 10px;
        }
        h3 {
            font-size: 1.8rem;
            margin: 35px 0 15px;
            color: #ffffff;
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 12px;
            color: var(--text-muted);
        }
        p {
            margin-bottom: 20px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--accent-light);
            margin-bottom: 40px;
            text-align: center;
        }
        .highlight-box {
            background: linear-gradient(90deg, rgba(15, 204, 69, 0.1) 0%, rgba(15, 204, 69, 0.05) 100%);
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 12px 12px 0;
        }
        .image-container {
            margin: 40px auto;
            text-align: center;
            max-width: 900px;
        }
        .image-container img {
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .content-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
            justify-content: center;
        }
        .content-links a {
            background-color: rgba(15, 204, 69, 0.1);
            padding: 12px 24px;
            border-radius: 50px;
            border: 1px solid var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .content-links a:hover {
            background-color: rgba(15, 204, 69, 0.25);
            transform: translateY(-3px);
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .comment-box, .rating-box {
            background-color: var(--card-bg);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border);
        }
        .comment-box h3, .rating-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        textarea, select, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text);
            font-size: 1rem;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 2.5rem;
            color: #555;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffcc00;
        }
        .btn-submit {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            width: 100%;
            transition: var(--transition);
        }
        .btn-submit:hover {
            background-color: var(--accent-light);
        }
        footer {
            background-color: rgba(10, 15, 35, 0.95);
            border-top: 1px solid var(--border);
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--accent);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 10px;
            border-left: 4px solid var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .update-time {
            color: var(--accent-light);
            font-weight: bold;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.6rem; }
            h2 { font-size: 2rem; }
            .main-nav ul { gap: 15px; }
        }
        @media (max-width: 768px) {
            body { padding-top: 70px; }
            .main-nav ul {
                flex-direction: column;
                position: fixed;
                top: 70px;
                right: -100%;
                width: 300px;
                height: calc(100vh - 70px);
                background-color: var(--secondary);
                padding: 40px 20px;
                transition: right 0.5s ease;
                box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
                gap: 25px;
            }
            .main-nav.active ul {
                right: 0;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0 15px;
            }
            article {
                padding: 25px 20px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .search-form button {
                border-radius: 8px;
                padding: 15px;
            }
            .user-interaction {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .my-logo { font-size: 1.8rem; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .search-container, .user-interaction > div, .footer-section {
            animation: fadeIn 0.8s ease-out;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
            vertical-align: middle;
        }
        .special-symbol {
            color: var(--accent);
            font-weight: bold;
            margin: 0 5px;
        }