* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0c0c17 0%, #1a1a2e 100%);
            min-height: 100vh;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #a5d8ff; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(20, 20, 35, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #4dabf7;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #4dabf7, #da77f2);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 10px rgba(77, 171, 247, 0.3);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .desktop-nav a:hover {
            background: rgba(77, 171, 247, 0.15);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: #4dabf7;
            border-radius: 2px;
            transition: 0.3s;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: rgba(20, 20, 35, 0.98);
            border-top: 1px solid #333;
            padding: 20px;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #4dabf7; }
        main {
            padding: 40px 0;
            background: rgba(15, 15, 25, 0.7);
            border-radius: 12px;
            margin-top: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        article {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 25px;
            line-height: 1.2;
            text-align: center;
            border-bottom: 3px solid #4dabf7;
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2rem;
            color: #4dabf7;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #444;
        }
        h3 {
            font-size: 1.5rem;
            color: #a5d8ff;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(77, 171, 247, 0.2), rgba(218, 119, 242, 0.2));
            border-left: 5px solid #4dabf7;
            padding: 25px;
            border-radius: 0 10px 10px 0;
            margin: 30px 0;
            font-size: 1.2rem;
        }
        .code-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .code-card {
            background: rgba(40, 40, 60, 0.8);
            border: 2px solid #4dabf7;
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .code-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(77, 171, 247, 0.4);
        }
        .code-card .code {
            font-family: monospace;
            font-size: 1.8rem;
            color: #ffd700;
            margin: 15px 0;
            word-break: break-all;
        }
        .featured-image {
            width: 100%;
            border-radius: 12px;
            border: 3px solid #da77f2;
            margin: 30px auto;
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.7);
        }
        .interactive-section {
            background: rgba(30, 30, 50, 0.8);
            border-radius: 12px;
            padding: 30px;
            margin: 50px 0;
            border: 1px solid #444;
        }
        .form-group {
            margin-bottom: 25px;
        }
        label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: #a5d8ff;
        }
        input, textarea, select {
            width: 100%;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #555;
            background: rgba(20, 20, 35, 0.8);
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4dabf7;
            box-shadow: 0 0 10px rgba(77, 171, 247, 0.5);
        }
        button {
            background: linear-gradient(90deg, #4dabf7, #3b5bdb);
            color: white;
            border: none;
            padding: 16px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        button:hover {
            background: linear-gradient(90deg, #3b5bdb, #4dabf7);
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(77, 171, 247, 0.5);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            margin: 15px 0;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffd700;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            padding: 40px 0;
            border-top: 2px solid #333;
            border-bottom: 2px solid #333;
            margin: 50px 0 30px;
        }
        .web-link {
            background: rgba(40, 40, 60, 0.6);
            padding: 18px;
            border-radius: 8px;
            transition: background 0.3s;
        }
        .web-link:hover {
            background: rgba(77, 171, 247, 0.2);
        }
        .web-link a {
            color: #e0e0e0;
            display: block;
            font-size: 1.05rem;
        }
        .web-link a:hover {
            color: #4dabf7;
        }
        .site-footer {
            background: rgba(10, 10, 20, 0.95);
            padding: 40px 0 20px;
            text-align: center;
            border-top: 1px solid #333;
        }
        .copyright {
            color: #888;
            font-size: 0.9rem;
            margin-top: 20px;
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: flex; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .code-grid { grid-template-columns: 1fr; }
            .header-inner, .breadcrumb, article { padding: 0 15px; }
            .interactive-section { padding: 20px; }
        }