* { 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, #0a0a16 0%, #1a1a2e 100%);
            background-attachment: fixed;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        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); }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            padding: 1.5rem 0;
            border-bottom: 2px solid #2a2a4e;
            margin-bottom: 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #9d4edd, #00b4d8);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover { filter: brightness(1.2); }
        .breadcrumb {
            margin: 1rem 0 2rem;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a { color: #ccc; }
        .breadcrumb .separator { margin: 0 8px; color: #666; }
        .main-nav { display: flex; align-items: center; }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #00b4d8;
            transition: width 0.3s;
        }
        .nav-links a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #00b4d8;
            cursor: pointer;
        }
        .hero-search {
            background: rgba(42, 42, 78, 0.6);
            padding: 2rem;
            border-radius: 12px;
            margin-bottom: 3rem;
            border: 1px solid #3a3a5e;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            border-radius: 50px 0 0 50px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 1rem;
        }
        .search-box button {
            padding: 1rem 2rem;
            border: none;
            border-radius: 0 50px 50px 0;
            background: linear-gradient(to right, #9d4edd, #5a189a);
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: filter 0.3s;
        }
        .search-box button:hover { filter: brightness(1.2); }
        .content-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .content-container { grid-template-columns: 1fr; }
        }
        article {
            background: rgba(26, 26, 46, 0.8);
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #3a3a5e;
        }
        article h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #ffffff;
            line-height: 1.2;
            background: linear-gradient(to right, #ffffff, #90e0ef);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        article h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #2a2a4e;
            color: #00b4d8;
        }
        article h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: #9d4edd;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        article emoji { font-size: 1.2em; margin-right: 5px; }
        .highlight-box {
            background: linear-gradient(145deg, rgba(157, 78, 221, 0.15), rgba(0, 180, 216, 0.15));
            border-left: 5px solid #9d4edd;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            border: 2px solid #3a3a5e;
            box-shadow: 0 5px 15px rgba(0,0,0,0.7);
        }
        .sidebar {
            background: rgba(26, 26, 46, 0.8);
            padding: 2rem;
            border-radius: 15px;
            border: 1px solid #3a3a5e;
            align-self: start;
        }
        .sidebar h3 {
            color: #00b4d8;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        .sidebar ul {
            list-style: none;
            margin-bottom: 2rem;
        }
        .sidebar li { margin-bottom: 0.8rem; padding-left: 1.2rem; position: relative; }
        .sidebar li:before {
            content: '▸';
            position: absolute;
            left: 0;
            color: #9d4edd;
        }
        .user-interaction {
            background: rgba(42, 42, 78, 0.6);
            padding: 2.5rem;
            border-radius: 15px;
            margin: 3rem 0;
            border: 1px solid #3a3a5e;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .comment-box, .rating-box {
            background: rgba(26, 26, 46, 0.9);
            padding: 1.8rem;
            border-radius: 10px;
        }
        .comment-box textarea {
            width: 100%;
            height: 150px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid #3a3a5e;
            border-radius: 8px;
            padding: 1rem;
            color: #fff;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #444;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .rating-stars .star:hover { transform: scale(1.2); }
        .star.active { color: #ffd700; }
        .interaction-btn {
            background: linear-gradient(to right, #5a189a, #9d4edd);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: bold;
            cursor: pointer;
            transition: filter 0.3s;
            display: block;
            width: 100%;
        }
        .interaction-btn:hover { filter: brightness(1.2); }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .web-link {
            background: rgba(42, 42, 78, 0.4);
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 4px solid #00b4d8;
        }
        .web-link a { font-weight: 600; }
        .site-footer {
            text-align: center;
            padding: 2.5rem 0;
            border-top: 2px solid #2a2a4e;
            color: #aaa;
            font-size: 0.95rem;
            margin-top: 3rem;
        }
        .site-footer p { margin-bottom: 0.5rem; }
        @media (max-width: 768px) {
            .site-header { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; margin-top: 1rem; justify-content: space-between;}
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(26, 26, 46, 0.95);
                position: absolute;
                top: 100px;
                left: 0;
                padding: 1rem;
                border-radius: 0 0 10px 10px;
                z-index: 1000;
            }
            .nav-links.active { display: flex; }
            .hamburger { display: block; }
            article h1 { font-size: 2.2rem; }
            article h2 { font-size: 1.8rem; }
            .content-container { gap: 2rem; }
            .hero-search, article, .sidebar { padding: 1.5rem; }
        }