* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #FF2281;
            --secondary-color: #00D9FF;
            --dark-bg: #0f0f1a;
            --content-bg: #1a1a2e;
            --text-color: #e0e0ff;
            --heading-color: #ffffff;
            --accent-color: #9d4edd;
            --border-color: #2d2d4d;
            --card-bg: #252544;
            --success-color: #4CAF50;
            --warning-color: #FF9800;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--dark-bg);
            background-image: 
                radial-gradient(circle at 15% 50%, rgba(157, 78, 221, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 85% 30%, rgba(0, 217, 255, 0.05) 0%, transparent 20%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(15, 15, 26, 0.95);
            border-bottom: 2px solid var(--primary-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            transition: transform 0.3s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 15px rgba(255, 34, 129, 0.5);
        }
        .my-logo i {
            margin-right: 8px;
            color: var(--secondary-color);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav ul li a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 15px;
            border-radius: 30px;
            transition: all 0.3s ease;
            position: relative;
        }
        nav ul li a:hover,
        nav ul li a.active {
            background-color: var(--primary-color);
            color: white;
        }
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 15px;
            right: 15px;
            height: 3px;
            background-color: var(--secondary-color);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        nav ul li a:hover::after {
            transform: scaleX(1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text-color);
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background-color: rgba(37, 37, 68, 0.6);
            padding: 12px 20px;
            border-radius: 0 0 10px 10px;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--secondary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--text-color);
            margin: 0 8px;
        }
        main {
            padding: 40px 0;
        }
        article {
            background-color: var(--content-bg);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-color);
            margin-bottom: 40px;
        }
        h1, h2, h3, h4 {
            color: var(--heading-color);
            font-weight: 800;
            line-height: 1.3;
            margin-top: 1.8em;
            margin-bottom: 0.8em;
        }
        h1 {
            font-size: 3.2rem;
            text-align: center;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-top: 0;
            margin-bottom: 0.5em;
            padding-bottom: 20px;
            border-bottom: 3px dashed var(--border-color);
        }
        h2 {
            font-size: 2.5rem;
            color: var(--secondary-color);
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.9rem;
            color: var(--accent-color);
        }
        h4 {
            font-size: 1.5rem;
            color: #FFB347;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.15rem;
            text-align: justify;
            hyphens: auto;
        }
        .intro {
            font-size: 1.4rem;
            font-weight: 600;
            color: #c8c8ff;
            background: rgba(157, 78, 221, 0.1);
            padding: 25px;
            border-radius: 15px;
            border-left: 5px solid var(--accent-color);
            margin-bottom: 2.5em;
        }
        .highlight {
            background-color: rgba(255, 34, 129, 0.1);
            padding: 3px 8px;
            border-radius: 5px;
            font-weight: bold;
            color: #ff80bf;
        }
        strong {
            color: var(--secondary-color);
            font-weight: 700;
        }
        em {
            color: #FFB347;
            font-style: italic;
        }
        .quote {
            font-style: italic;
            border-left: 4px solid var(--warning-color);
            padding-left: 25px;
            margin: 2em 0;
            color: #d1d1ff;
            background: rgba(255, 152, 0, 0.05);
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        .content-link {
            color: var(--secondary-color);
            text-decoration: none;
            border-bottom: 1px dotted var(--secondary-color);
            transition: all 0.2s;
            font-weight: 600;
        }
        .content-link:hover {
            color: var(--primary-color);
            border-bottom: 2px solid var(--primary-color);
        }
        ul, ol {
            margin-bottom: 1.5em;
            padding-left: 2em;
        }
        li {
            margin-bottom: 0.7em;
        }
        .feature-list li {
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="%2300D9FF" d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>') no-repeat left 5px;
            padding-left: 35px;
            list-style: none;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            display: block;
            border-radius: 15px;
            border: 3px solid var(--primary-color);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 35px rgba(255, 34, 129, 0.3);
        }
        .interaction-module {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid var(--border-color);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
            color: var(--heading-color);
            font-size: 1.8rem;
        }
        .module-title i {
            color: var(--primary-color);
            font-size: 2rem;
        }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            flex-grow: 1;
            padding: 15px 20px;
            border-radius: 50px;
            border: 2px solid var(--border-color);
            background-color: rgba(15, 15, 26, 0.7);
            color: var(--text-color);
            font-size: 1rem;
            min-width: 250px;
            transition: border-color 0.3s;
        }
        .search-box input:focus, .comment-form input:focus, .comment-form textarea:focus, .rating-form select:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .comment-form textarea {
            border-radius: 20px;
            min-height: 150px;
            resize: vertical;
            width: 100%;
            flex-basis: 100%;
        }
        .rating-form .stars {
            display: flex;
            gap: 10px;
            margin-right: 20px;
        }
        .rating-form .stars i {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-form .stars i.active {
            color: gold;
        }
        .btn {
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            color: white;
            border: none;
            padding: 15px 35px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(157, 78, 221, 0.4);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(157, 78, 221, 0.6);
        }
        .btn-secondary {
            background: linear-gradient(90deg, var(--secondary-color), #0099cc);
        }
        friend-link {
            display: block;
            background-color: rgba(37, 37, 68, 0.7);
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            border-left: 5px solid var(--success-color);
        }
        friend-link h3 {
            margin-top: 0;
            color: var(--success-color);
        }
        .friend-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }
        .friend-links a {
            background-color: rgba(15, 15, 26, 0.5);
            padding: 12px 20px;
            border-radius: 8px;
            color: var(--secondary-color);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid transparent;
        }
        .friend-links a:hover {
            background-color: rgba(0, 217, 255, 0.1);
            border-color: var(--secondary-color);
            transform: translateX(5px);
        }
        footer {
            background-color: #0a0a14;
            padding: 50px 0 25px;
            border-top: 2px solid var(--primary-color);
            margin-top: 60px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: var(--secondary-color);
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .footer-section ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-section ul li {
            margin-bottom: 12px;
        }
        .footer-section ul li a {
            color: #aaaacc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-section ul li a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid var(--border-color);
            color: #8888aa;
            font-size: 0.95rem;
        }
        .copyright a {
            color: var(--secondary-color);
        }
        .update-time {
            background-color: rgba(255, 152, 0, 0.1);
            color: var(--warning-color);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            font-weight: bold;
            margin: 30px 0;
            border: 1px solid rgba(255, 152, 0, 0.3);
        }
        @media (max-width: 1024px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            article { padding: 30px; }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 2;
            }
            nav {
                order: 3;
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            nav.active {
                max-height: 400px;
                margin-top: 20px;
            }
            nav ul {
                flex-direction: column;
                gap: 10px;
                width: 100%;
            }
            nav ul li a {
                display: block;
                padding: 15px;
                border-radius: 10px;
                background-color: rgba(37, 37, 68, 0.8);
            }
            .breadcrumb {
                font-size: 0.85rem;
                padding: 10px 15px;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .intro { font-size: 1.2rem; padding: 20px; }
            .interaction-module {
                padding: 20px;
            }
            .search-box, .comment-form, .rating-form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-box input, .comment-form input, .rating-form select {
                min-width: auto;
            }
            .rating-form .stars {
                justify-content: center;
            }
            .footer-content {
                flex-direction: column;
                gap: 30px;
            }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            article { padding: 20px 15px; }
            h1 { font-size: 2rem; }
            .my-logo { font-size: 1.8rem; }
            .btn { padding: 12px 25px; width: 100%; }
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3em; }
        .mt-3 { margin-top: 3em; }
        .py-2 { padding-top: 2em; padding-bottom: 2em; }