* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #f8fafc;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #38bdf8;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #60a5fa;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: #38bdf8;
        }
        .logo:hover {
            color: #38bdf8;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 8px;
        }
        .nav-desktop a:hover {
            background-color: #475569;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f8fafc;
            font-size: 2rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
            background-color: #1e293b;
            padding: 20px;
            border-radius: 12px;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            font-size: 1.2rem;
            padding: 12px;
            border-left: 4px solid #60a5fa;
        }
        .breadcrumb {
            margin-top: 15px;
            font-size: 0.95rem;
            color: #cbd5e1;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        main {
            padding: 40px 0;
            min-height: 80vh;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: #1e293b;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: #60a5fa;
            text-align: center;
            line-height: 1.3;
        }
        h2 {
            font-size: 2rem;
            margin: 30px 0 15px;
            color: #38bdf8;
            border-left: 6px solid #60a5fa;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
            margin: 20px 0 10px;
            color: #7dd3fc;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #334155;
            padding: 20px;
            border-radius: 12px;
            border-left: 6px solid #10b981;
            margin: 25px 0;
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }
        .feature-item {
            background: #0f172a;
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .feature-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 20px rgba(96, 165, 250, 0.3);
        }
        .feature-item i {
            font-size: 2.5rem;
            color: #60a5fa;
            margin-bottom: 15px;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .article-image {
            max-width: 100%;
            height: auto;
            border-radius: 16px;
            border: 4px solid #475569;
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .interactive-section {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 30px;
            border-radius: 16px;
            margin: 40px 0;
        }
        .interactive-section h2 {
            text-align: center;
            border: none;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 14px;
            border-radius: 10px;
            border: 2px solid #475569;
            background-color: #0f172a;
            color: #f8fafc;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: #60a5fa;
        }
        .btn {
            background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 100%);
            color: #0f172a;
            border: none;
            padding: 14px 28px;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .btn:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 16px rgba(96, 165, 250, 0.5);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            margin: 20px 0;
        }
        .star {
            font-size: 2rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        aside {
            background: #1e293b;
            padding: 25px;
            border-radius: 16px;
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .search-box {
            margin-bottom: 30px;
        }
        .search-box input {
            width: 100%;
        }
        .side-list {
            list-style: none;
        }
        .side-list li {
            margin-bottom: 15px;
            padding: 12px;
            background-color: #0f172a;
            border-radius: 10px;
            transition: background-color 0.3s ease;
        }
        .side-list li:hover {
            background-color: #334155;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
            margin: 50px 0 30px;
        }
        .web-link {
            background: #1e293b;
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            transition: background-color 0.3s ease;
        }
        .web-link:hover {
            background-color: #334155;
        }
        footer {
            background: #0f172a;
            padding: 40px 0;
            text-align: center;
            border-top: 4px solid #334155;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.95rem;
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .content-wrapper {
                gap: 30px;
            }
        }