* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f172a;
            color: #cbd5e1;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #38bdf8;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .py-3 { padding-top: 3rem; padding-bottom: 3rem; }
        .my-1 { margin-top: 1rem; margin-bottom: 1rem; }
        .my-2 { margin-top: 2rem; margin-bottom: 2rem; }
        .my-3 { margin-top: 3rem; margin-bottom: 3rem; }
        .text-center { text-align: center; }
        .text-accent { color: #fbbf24; }
        .bg-dark { background-color: #1e293b; }
        .bg-darker { background-color: #0f172a; }
        .rounded { border-radius: 8px; }
        .shadow { box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3); }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 20px;
        }
        .my-logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #fbbf24, #60a5fa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo a:hover {
            text-shadow: 0 0 15px rgba(96, 165, 250, 0.5);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #fbbf24;
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: #cbd5e1;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1e293b;
                padding: 1rem;
                border-top: 2px solid #334155;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                text-align: center;
                padding: 0.5rem 0;
            }
        }
        .breadcrumb {
            padding: 1rem 20px;
            background-color: #1e293b;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb span {
            color: #cbd5e1;
            margin: 0 5px;
        }
        .hero {
            background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.9)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover;
            padding: 4rem 20px;
            text-align: center;
            border-bottom: 3px solid #fbbf24;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            color: #f8fafc;
            text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        main {
            padding: 2rem 20px;
        }
        section {
            margin-bottom: 3rem;
            padding: 2rem;
            background-color: rgba(30, 41, 59, 0.7);
            border-radius: 12px;
            border-left: 5px solid #60a5fa;
        }
        h2 {
            font-size: 2.2rem;
            color: #fbbf24;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #334155;
        }
        h3 {
            font-size: 1.8rem;
            color: #38bdf8;
            margin: 1.5rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #cbd5e1;
            margin: 1rem 0;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        strong {
            color: #f8fafc;
            font-weight: 700;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(251, 191, 36, 0.2), transparent);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #fbbf24;
            margin: 1.5rem 0;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-list a {
            display: block;
            padding: 1rem;
            background-color: #334155;
            border-radius: 6px;
            text-align: center;
            font-weight: 600;
        }
        .link-list a:hover {
            background-color: #475569;
        }
        .feature-img {
            margin: 2rem auto;
            max-width: 800px;
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            margin-top: 0.5rem;
            color: #94a3b8;
        }
        .module {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            border: 1px solid #475569;
        }
        .module h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            background-color: #334155;
            border: 1px solid #475569;
            border-radius: 6px;
            color: #f8fafc;
            font-size: 1rem;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #60a5fa;
            box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            background: linear-gradient(90deg, #f59e0b, #fbbf24);
            color: #0f172a;
            border: none;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating .star {
            font-size: 1.5rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .rating .star.active,
        .rating .star:hover {
            color: #fbbf24;
        }
        footer {
            background-color: #0f172a;
            border-top: 2px solid #334155;
            padding: 3rem 20px 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: #fbbf24;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }