* { 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: #e0e0e0;
            background: linear-gradient(135deg, #0a0a12 0%, #1a1a2e 100%);
            min-height: 100vh;
            padding-bottom: 50px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #00b4d8; text-decoration: none; transition: color 0.3s, text-shadow 0.3s; }
        a:hover { color: #90e0ef; text-shadow: 0 0 8px rgba(144, 224, 239, 0.5); }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(15, 15, 35, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #3a0ca3;
            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: 'Orbitron', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #7209b7, #3a0ca3, #4361ee);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }
        .my-logo:hover { background: linear-gradient(90deg, #4361ee, #3a0ca3, #7209b7); -webkit-background-clip: text; background-clip: text; }
        .nav-desktop { display: flex; gap: 30px; }
        .nav-desktop a { font-weight: 600; padding: 8px 5px; border-bottom: 2px solid transparent; }
        .nav-desktop a:hover { border-color: #00b4d8; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: #e0e0e0; cursor: pointer; }
        .nav-mobile { display: none; flex-direction: column; background: rgba(25, 25, 45, 0.98); position: absolute; top: 100%; left: 0; width: 100%; padding: 20px; border-top: 1px solid #3a0ca3; }
        .nav-mobile.active { display: flex; }
        .nav-mobile a { padding: 12px 0; border-bottom: 1px solid #333355; font-weight: 600; }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #aaa;
            background: rgba(20, 20, 40, 0.7);
            margin-bottom: 30px;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #00b4d8; }
        .search-container {
            max-width: 600px;
            margin: 30px auto 40px;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1.1rem;
            outline: none;
        }
        .search-input::placeholder { color: #ccc; }
        .search-button {
            background: linear-gradient(90deg, #4361ee, #3a0ca3);
            color: white;
            border: none;
            padding: 0 35px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-button:hover { background: linear-gradient(90deg, #3a0ca3, #7209b7); }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 40px; margin-top: 20px; }
        @media (max-width: 992px) { .main-content { grid-template-columns: 1fr; } }
        .article-content { background: rgba(30, 30, 50, 0.7); border-radius: 15px; padding: 40px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
        .sidebar { background: rgba(25, 25, 45, 0.7); border-radius: 15px; padding: 25px; align-self: start; }
        h1, h2, h3, h4 { font-family: 'Orbitron', sans-serif; color: #f8f9fa; margin-top: 1.8em; margin-bottom: 0.7em; line-height: 1.3; }
        h1 { font-size: 2.8rem; border-bottom: 3px solid #7209b7; padding-bottom: 15px; color: #ffffff; text-align: center; }
        h2 { font-size: 2.1rem; color: #90e0ef; border-left: 5px solid #4361ee; padding-left: 15px; }
        h3 { font-size: 1.7rem; color: #c77dff; }
        h4 { font-size: 1.4rem; color: #a2d2ff; }
        p { margin-bottom: 1.5em; font-size: 1.15rem; text-align: justify; }
        .intro { font-size: 1.3rem; color: #d0d0ff; background: rgba(58, 12, 163, 0.15); padding: 25px; border-radius: 10px; margin: 30px 0; border-left: 5px solid #00b4d8; }
        .highlight { background: rgba(114, 9, 183, 0.2); padding: 3px 8px; border-radius: 4px; font-weight: bold; color: #e0c3ff; }
        .important { font-weight: 800; color: #ffd166; font-size: 1.1em; }
        blockquote {
            border-left: 4px solid #f72585;
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: #ccd5ff;
            background: rgba(247, 37, 133, 0.08);
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        ul, ol { margin-left: 25px; margin-bottom: 1.5em; }
        li { margin-bottom: 0.7em; }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            background: rgba(40, 40, 70, 0.5);
            border-radius: 10px;
            overflow: hidden;
        }
        th, td { padding: 15px; text-align: left; border-bottom: 1px solid #505080; }
        th { background: rgba(67, 97, 238, 0.4); color: #fff; font-weight: 700; }
        tr:hover { background: rgba(100, 100, 200, 0.1); }
        .article-img {
            width: 100%;
            border-radius: 10px;
            margin: 30px auto;
            box-shadow: 0 10px 25px rgba(0,0,0,0.7);
            border: 2px solid #3a0ca3;
            transition: transform 0.5s, box-shadow 0.5s;
        }
        .article-img:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 35px rgba(58, 12, 163, 0.5);
        }
        .interactive-module {
            background: linear-gradient(145deg, rgba(25,25,45,0.9), rgba(40,40,70,0.9));
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid #4361ee;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
        }
        .module-title { text-align: center; margin-top: 0; }
        .rating-stars { display: flex; justify-content: center; gap: 10px; margin: 20px 0; }
        .star { font-size: 2.5rem; color: #444; cursor: pointer; transition: color 0.2s, transform 0.2s; }
        .star:hover, .star.active { color: #ffd700; transform: scale(1.2); }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 15px;
            margin-bottom: 15px;
            border-radius: 8px;
            border: 1px solid #505080;
            background: rgba(255,255,255,0.07);
            color: #fff;
            font-size: 1rem;
        }
        .submit-btn {
            background: linear-gradient(90deg, #f72585, #b5179e);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: background 0.3s, transform 0.2s;
            display: block;
            width: 100%;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #b5179e, #7209b7);
            transform: translateY(-3px);
        }
        .sidebar h3 { text-align: center; margin-top: 0; }
        .link-list { list-style: none; margin-left: 0; }
        .link-list li { margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px solid #333355; }
        .link-list a { display: block; padding: 12px; background: rgba(67, 97, 238, 0.1); border-radius: 8px; }
        .link-list a:hover { background: rgba(67, 97, 238, 0.25); }
        .update-time {
            background: rgba(247, 37, 133, 0.1);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            margin-top: 25px;
            font-weight: bold;
            color: #ffb3d9;
        }
        .site-footer {
            background: rgba(10, 10, 20, 0.95);
            margin-top: 60px;
            padding: 40px 0;
            border-top: 2px solid #3a0ca3;
        }
        .footer-container { display: flex; flex-direction: column; align-items: center; }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 15px;
            margin: 10px 0;
            border-radius: 8px;
            text-align: center;
            width: 100%;
            max-width: 500px;
            font-weight: bold;
        }
        .copyright {
            margin-top: 30px;
            text-align: center;
            color: #888;
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid #333;
            width: 100%;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .article-content { padding: 25px; }
            .interactive-module { padding: 20px; }
        }