* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
        html { scroll-behavior: smooth; }
        body {
            background: linear-gradient(135deg, #0c0c1d 0%, #1a1a2e 50%, #16213e 100%);
            color: #e0e0ff;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #4fc3f7; text-decoration: none; transition: color 0.3s, transform 0.2s; }
        a:hover { color: #29b6f6; transform: translateY(-2px); }
        img { max-width: 100%; height: auto; display: block; border-radius: 8px; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-highlight { color: #ffcc80; font-weight: bold; }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #ff6b6b, #ffa726);
            color: #1a1a2e;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
        }
        .btn:hover { background: linear-gradient(90deg, #ff5252, #ff9800); transform: scale(1.05); box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4); }
        .section-padding { padding: 60px 0; }
        .text-center { text-align: center; }
        .site-header {
            background: rgba(10, 10, 30, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #4fc3f7;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(45deg, #ff6b6b, #4fc3f7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 10px rgba(79, 195, 247, 0.3);
        }
        .my-logo a { background: none; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #b0b0ff;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            color: #4fc3f7;
            border-bottom-color: #4fc3f7;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4fc3f7;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(26, 26, 46, 0.7);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #ffa726;
        }
        .breadcrumb a { color: #b0b0ff; }
        .breadcrumb a:hover { color: #ffcc80; }
        .hero {
            padding: 80px 0;
            background: radial-gradient(circle at center, rgba(79, 195, 247, 0.1) 0%, transparent 70%);
            border-bottom: 1px solid #333355;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #4fc3f7, #ffcc80);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .hero p { font-size: 1.3rem; max-width: 800px; margin: 0 auto 30px; color: #ccccff; }
        .main-content {
            flex: 1;
            padding: 40px 0;
        }
        .content-article {
            background: rgba(22, 33, 62, 0.7);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            margin-bottom: 40px;
        }
        .content-article h2 {
            font-size: 2.5rem;
            color: #4fc3f7;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ffa726;
        }
        .content-article h3 {
            font-size: 1.9rem;
            color: #ffcc80;
            margin: 30px 0 15px;
        }
        .content-article h4 {
            font-size: 1.5rem;
            color: #a5d6a7;
            margin: 25px 0 10px;
        }
        .content-article p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            color: #d0d0f0;
            text-align: justify;
        }
        .content-article ul, .content-article ol {
            margin: 1em 0 1em 2em;
            color: #d0d0f0;
        }
        .content-article blockquote {
            border-left: 5px solid #ff6b6b;
            padding-left: 20px;
            margin: 2em;
            font-style: italic;
            color: #ffcc80;
            background: rgba(255, 107, 107, 0.05);
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        .featured-image {
            margin: 40px auto;
            max-width: 900px;
            border: 3px solid #4fc3f7;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            margin-top: 10px;
            color: #aaaacc;
        }
        .interactive-box {
            background: rgba(41, 182, 246, 0.1);
            border: 2px dashed #4fc3f7;
            border-radius: 15px;
            padding: 30px;
            margin: 40px 0;
        }
        .interactive-box h3 { color: #4fc3f7; margin-top: 0; }
        form { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 20px; }
        form input, form textarea, form select {
            flex: 1 1 300px;
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #555577;
            background: rgba(10, 10, 30, 0.8);
            color: #fff;
            font-size: 1rem;
        }
        form textarea { min-height: 150px; resize: vertical; }
        form button { flex: 0 1 auto; }
        .rating { display: flex; gap: 5px; margin: 15px 0; }
        .rating input { display: none; }
        .rating label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label { color: #ffcc00; }
        .site-footer {
            background: #0a0a1e;
            border-top: 2px solid #ffa726;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-links h4 { color: #4fc3f7; margin-bottom: 20px; font-size: 1.3rem; }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 12px; }
        .friend-links {
            background: rgba(255, 167, 38, 0.1);
            padding: 20px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .friend-links h4 { color: #ffcc80; }
        .friend-links a { display: block; padding: 8px 0; border-bottom: 1px dotted #555; }
        .friend-links a:last-child { border-bottom: none; }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333355;
            color: #8888aa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .hero h1 { font-size: 2.8rem; }
            .content-article h2 { font-size: 2.2rem; }
            .content-article { padding: 30px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 10, 30, 0.98);
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .main-nav ul.active { display: flex; }
            .hero h1 { font-size: 2.3rem; }
            .hero p { font-size: 1.1rem; }
            .content-article h2 { font-size: 2rem; }
            .content-article h3 { font-size: 1.7rem; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.9rem; }
            .content-article { padding: 20px; }
            .btn { padding: 10px 20px; }
        }