* { 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: #0a0a12;
            background-image: radial-gradient(circle at 20% 30%, rgba(40, 40, 80, 0.3) 0%, transparent 20%),
                              radial-gradient(circle at 80% 70%, rgba(80, 40, 120, 0.2) 0%, transparent 20%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #6ab0ff; text-decoration: none; transition: color 0.3s, transform 0.2s; }
        a:hover { color: #9cd3ff; transform: translateY(-1px); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(15, 15, 25, 0.95);
            border-bottom: 1px solid #2a2a4a;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #6ab0ff, #b57dff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav.desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav.desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #6ab0ff;
            transition: width 0.3s;
        }
        nav.desktop-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 5px;
        }
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background: #6ab0ff;
            border-radius: 2px;
            transition: 0.3s;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: rgba(15, 15, 25, 0.98);
            border-top: 1px solid #2a2a4a;
            padding: 1rem;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav.active { display: flex; }
        .breadcrumb {
            padding: 1rem 0 0.5rem;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a { margin: 0 5px; }
        .breadcrumb a:first-child { margin-left: 0; }
        main { flex: 1; padding: 2rem 0; }
        article {
            background: rgba(20, 20, 35, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            margin-bottom: 2rem;
            border: 1px solid #333355;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #ffffff;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.7);
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            color: #9cd3ff;
            border-left: 4px solid #6ab0ff;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: #b57dff;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .highlight {
            background: rgba(106, 176, 255, 0.1);
            border-left: 4px solid #6ab0ff;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .interactive-box {
            background: rgba(40, 40, 70, 0.5);
            border: 1px solid #4a4a8a;
            border-radius: 10px;
            padding: 2rem;
            margin: 2.5rem 0;
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }
        .interactive-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(106, 176, 255, 0.2);
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            margin: 2.5rem auto;
            border: 2px solid #4a4a8a;
            overflow: hidden;
        }
        .form-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .form-card {
            background: rgba(25, 25, 45, 0.8);
            border-radius: 10px;
            padding: 2rem;
            border: 1px solid #3a3a6a;
        }
        .form-card h3 { margin-top: 0; }
        .form-group { margin-bottom: 1.5rem; }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            background: rgba(15, 15, 30, 0.8);
            border: 1px solid #4a4a8a;
            border-radius: 6px;
            color: #e0e0e0;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #6ab0ff;
            box-shadow: 0 0 0 2px rgba(106, 176, 255, 0.3);
        }
        button {
            background: linear-gradient(90deg, #3a6aaa, #6a3aaa);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        button:hover {
            background: linear-gradient(90deg, #4a7abb, #7a4abb);
            transform: scale(1.05);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            margin: 0;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffcc00; }
        .longtail-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
            padding: 2rem 0;
            border-top: 1px solid #2a2a4a;
            border-bottom: 1px solid #2a2a4a;
        }
        .web-link {
            background: rgba(30, 30, 50, 0.5);
            padding: 1rem;
            border-radius: 8px;
            transition: background 0.3s;
        }
        .web-link:hover { background: rgba(50, 50, 80, 0.7); }
        footer {
            background: rgba(10, 10, 20, 0.95);
            text-align: center;
            padding: 2rem 0;
            border-top: 1px solid #2a2a4a;
            margin-top: 2rem;
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            nav.desktop-nav { display: none; }
            .hamburger { display: flex; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            article { padding: 1.5rem; }
            .form-section { grid-template-columns: 1fr; }
            .longtail-links { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 480px) {
            .longtail-links { grid-template-columns: 1fr; }
            h1 { font-size: 1.8rem; }
        }