* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0c0c14 0%, #1a1a2e 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        a { color: #8a2be2; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #b19cd9; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .highlight { background-color: rgba(138, 43, 226, 0.2); padding: 2px 5px; border-radius: 3px; }
        .section-padding { padding: 60px 0; }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(90deg, #8a2be2, #4b0082);
            color: white;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(138, 43, 226, 0.3);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(138, 43, 226, 0.5);
            background: linear-gradient(90deg, #9b42f5, #5a0fa3);
        }
        .site-header {
            background-color: rgba(12, 12, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #333;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 1.8rem;
            background: linear-gradient(90deg, #ff8a00, #e52e71);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }
        .my-logo a { background: none; -webkit-text-fill-color: inherit; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #ccc;
            font-weight: 500;
            padding: 5px 0;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active { color: #fff; }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #8a2be2;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #fff;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: rgba(30, 30, 46, 0.8);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #8a2be2;
        }
        .hero {
            padding: 80px 0;
            background: radial-gradient(circle at 20% 50%, rgba(74, 0, 130, 0.3), transparent 50%);
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: #fff;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: #b19cd9;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .search-section {
            background-color: rgba(40, 40, 60, 0.5);
            padding: 30px 0;
            border-radius: 10px;
            margin: 30px auto;
            max-width: 900px;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #444;
            border-right: none;
            border-radius: 30px 0 0 30px;
            background: #222;
            color: #fff;
            font-size: 1rem;
        }
        .search-btn {
            padding: 0 25px;
            background: linear-gradient(90deg, #8a2be2, #4b0082);
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-btn:hover { background: linear-gradient(90deg, #9b42f5, #5a0fa3); }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px auto;
        }
        .article-content {
            background: rgba(30, 30, 46, 0.7);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .sidebar {
            background: rgba(30, 30, 46, 0.7);
            border-radius: 15px;
            padding: 25px;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1, h2, h3, h4 {
            color: #fff;
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; border-bottom: 3px solid #8a2be2; padding-bottom: 15px; }
        h2 { font-size: 2.2rem; color: #b19cd9; padding-left: 15px; border-left: 5px solid #8a2be2; }
        h3 { font-size: 1.8rem; color: #d4c2ff; }
        h4 { font-size: 1.4rem; color: #e6daff; }
        p { margin-bottom: 1.5em; text-align: justify; }
        ul, ol { margin-left: 30px; margin-bottom: 1.5em; }
        li { margin-bottom: 0.7em; }
        blockquote {
            border-left: 5px solid #8a2be2;
            padding-left: 25px;
            margin: 25px 0;
            font-style: italic;
            background: rgba(138, 43, 226, 0.1);
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        .article-image {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            border: 2px solid #444;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .content-links {
            background: rgba(40, 40, 60, 0.5);
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .content-links h3 { margin-top: 0; }
        .content-links ul { list-style: none; margin-left: 0; }
        .content-links li { margin-bottom: 10px; }
        .content-links a::before { content: '🔗'; margin-right: 10px; }
        .user-interaction {
            background: rgba(40, 40, 60, 0.7);
            border-radius: 15px;
            padding: 30px;
            margin-top: 50px;
            border: 1px solid #555;
        }
        .rating-section, .comment-section {
            margin-bottom: 40px;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
            font-size: 2rem;
            cursor: pointer;
            justify-content: center;
        }
        .star-rating .star { color: #555; transition: color 0.2s; }
        .star-rating .star:hover,
        .star-rating .star.active { color: #ffcc00; }
        .comment-form .form-group { margin-bottom: 20px; }
        .comment-form label { display: block; margin-bottom: 8px; color: #ccc; }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px 15px;
            background: #222;
            border: 1px solid #555;
            border-radius: 8px;
            color: #fff;
            font-family: inherit;
        }
        .comment-form textarea { min-height: 150px; resize: vertical; }
        .submit-btn { display: block; margin: 20px auto 0; }
        .site-footer {
            background-color: #0c0c14;
            border-top: 1px solid #333;
            padding: 50px 0 20px;
            margin-top: 80px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: #b19cd9;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 10px; }
        friend-link {
            display: block;
            padding: 10px;
            background: rgba(255,255,255,0.05);
            margin: 5px 0;
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(138, 43, 226, 0.2); }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        .update-time {
            color: #ff8a00;
            font-weight: bold;
            margin-left: 10px;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background-color: rgba(12, 12, 20, 0.98);
                flex-direction: column;
                padding: 20px;
                transition: left 0.5s ease;
                border-top: 1px solid #333;
            }
            .main-nav.active { left: 0; }
            .main-nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .hamburger { display: flex; }
            .header-container { position: relative; }
            .article-content { padding: 25px; }
        }