* { 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: #0a0a0f;
            background-image: radial-gradient(circle at 15% 50%, rgba(30, 30, 60, 0.8) 0%, transparent 20%), radial-gradient(circle at 85% 30%, rgba(20, 20, 40, 0.6) 0%, transparent 20%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #00c8ff; text-decoration: none; transition: color 0.3s ease, border-bottom 0.3s ease; }
        a:hover { color: #ff4757; border-bottom: 1px dashed #ff4757; }
        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; }
        .highlight { background: linear-gradient(90deg, transparent, rgba(0, 200, 255, 0.15), transparent); padding: 2px 8px; border-radius: 3px; }
        .site-header {
            background: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #1a1a2e;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-family: 'Orbitron', sans-serif;
            font-size: 2rem;
            font-weight: 800;
            color: #ff4757;
            text-transform: uppercase;
            letter-spacing: 2px;
            border: none;
        }
        .logo a:hover { color: #00c8ff; border: none; }
        .logo .domain { font-size: 0.7rem; color: #aaa; display: block; letter-spacing: 1px; }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: #ccc;
            font-weight: 600;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover { color: #fff; border-bottom-color: #ff4757; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: rgba(20, 20, 35, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            border-top: 1px solid #1a1a2e;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: #ccc;
            padding: 15px 10px;
            border-bottom: 1px solid #2a2a3e;
            font-weight: 600;
        }
        .nav-mobile a:hover { color: #ff4757; background: rgba(255,71,87,0.05); }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(15, 15, 25, 0.7);
            border-bottom: 1px solid #1a1a2e;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #00c8ff; }
        .breadcrumb span { color: #666; margin: 0 8px; }
        main { flex: 1; padding: 40px 0; }
        article { background: rgba(18, 18, 30, 0.8); border-radius: 12px; padding: 40px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); border: 1px solid #252540; }
        h1, h2, h3, h4 {
            font-family: 'Orbitron', sans-serif;
            color: #fff;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 3rem;
            color: #ff4757;
            text-align: center;
            border-bottom: 3px solid #00c8ff;
            padding-bottom: 20px;
            margin-bottom: 30px;
        }
        h2 { font-size: 2.2rem; color: #00c8ff; padding-left: 15px; border-left: 5px solid #ff4757; }
        h3 { font-size: 1.8rem; color: #a29bfe; }
        h4 { font-size: 1.4rem; color: #fd79a8; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            h4 { font-size: 1.2rem; }
        }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead { font-size: 1.3rem; color: #b2bec3; font-weight: 300; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .article-img {
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid #353b48;
            box-shadow: 0 5px 15px rgba(0,0,0,0.7);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #888;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .content-link {
            font-weight: 600;
            border-bottom: 1px dotted #00c8ff;
        }
        .interactive-module {
            background: rgba(25, 25, 40, 0.9);
            border-radius: 10px;
            padding: 25px;
            margin: 40px 0;
            border: 1px solid #37474F;
        }
        .module-title { color: #00c8ff; margin-bottom: 20px; font-size: 1.5rem; }
        form { display: grid; gap: 20px; }
        .form-group label { display: block; margin-bottom: 8px; color: #ccc; font-weight: 600; }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            background: rgba(40, 40, 60, 0.8);
            border: 1px solid #555;
            border-radius: 6px;
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus { outline: none; border-color: #00c8ff; }
        textarea.form-control { min-height: 120px; resize: vertical; }
        .btn {
            background: linear-gradient(135deg, #ff4757, #ff3838);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            justify-self: start;
        }
        .btn:hover { transform: translateY(-3px); box-shadow: 0 7px 14px rgba(255, 71, 87, 0.4); }
        .stars { display: flex; gap: 10px; font-size: 1.8rem; color: #555; cursor: pointer; }
        .stars .star:hover,
        .stars .star.active { color: #FFD700; }
        .hidden { display: none; }
        .site-footer {
            background: #0a0a14;
            border-top: 1px solid #1a1a2e;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 { color: #00c8ff; margin-bottom: 20px; font-size: 1.3rem; }
        .friend-links { display: flex; flex-wrap: wrap; gap: 15px; }
        .friend-link {
            background: rgba(255,255,255,0.05);
            padding: 8px 15px;
            border-radius: 5px;
            border: 1px solid #333;
            transition: all 0.3s;
        }
        .friend-link:hover { background: rgba(0, 200, 255, 0.1); border-color: #00c8ff; }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #252540;
            color: #777;
            font-size: 0.9rem;
        }
        .update-time { color: #aaa; font-style: italic; margin-top: 10px; }
        @media (max-width: 992px) {
            article { padding: 30px; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 15px; }
            article { padding: 20px; }
            .interactive-module { padding: 20px; }
            h1 { font-size: 1.8rem; }
        }