* { 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: #f2f3f5;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            background-attachment: fixed;
            min-height: 100vh;
            padding-bottom: 2rem;
        }
        a { color: #7289da; text-decoration: none; transition: color 0.3s ease, transform 0.2s ease; }
        a:hover { color: #8fa3f2; transform: translateY(-1px); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .highlight { background-color: rgba(114, 137, 218, 0.2); padding: 0.2em 0.5em; border-radius: 4px; }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #7289da, #5b6eae);
            color: white;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .btn:hover { background: linear-gradient(90deg, #8fa3f2, #7289da); transform: translateY(-3px); box-shadow: 0 6px 12px rgba(0,0,0,0.15); }
        .section-padding { padding: 4rem 0; }
        .site-header {
            background-color: rgba(25, 25, 40, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #333;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2rem;
            background: linear-gradient(90deg, #7289da, #43b581);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 900;
            letter-spacing: -0.5px;
        }
        .my-logo:hover { background: linear-gradient(90deg, #8fa3f2, #4ac78c); }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a { font-weight: 600; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f2f3f5;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1a1a2e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            border-top: 1px solid #333;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a { padding: 0.8rem 0; border-bottom: 1px solid #2a2a3e; }
        .breadcrumb {
            padding: 1rem 0;
            color: #99aab5;
            font-size: 0.9rem;
        }
        .breadcrumb a:hover { color: #cbd0d6; }
        .hero {
            text-align: center;
            padding: 3rem 1rem;
            background: radial-gradient(circle at center, rgba(114, 137, 218, 0.15) 0%, transparent 70%);
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, #fff, #7289da);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .hero p { font-size: 1.3rem; color: #b9bbbe; max-width: 800px; margin: 0 auto 2rem; }
        main { background-color: rgba(30, 31, 40, 0.7); border-radius: 16px; margin: 2rem auto; padding: 2rem; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); }
        article section { margin-bottom: 3.5rem; }
        h2 {
            color: #ffffff;
            font-size: 2.3rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #7289da;
        }
        h3 { color: #d1d5db; font-size: 1.8rem; margin: 2rem 0 1rem; }
        h4 { color: #b9bbbe; font-size: 1.4rem; margin: 1.5rem 0 0.8rem; }
        p, li { margin-bottom: 1.2rem; color: #d1d5db; font-size: 1.1rem; }
        ul, ol { padding-left: 1.8rem; margin-bottom: 1.5rem; }
        blockquote {
            border-left: 4px solid #43b581;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #99aab5;
        }
        .image-wrapper {
            margin: 2.5rem auto;
            text-align: center;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.4);
            border: 1px solid #444;
        }
        .image-caption { font-size: 0.9rem; color: #99aab5; margin-top: 0.5rem; padding: 0 1rem; }
        .interactive-module {
            background: rgba(40, 42, 54, 0.8);
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #444;
        }
        .module-title { font-size: 1.8rem; margin-bottom: 1.5rem; color: #fff; }
        form { display: grid; gap: 1.2rem; }
        input, textarea, select {
            width: 100%;
            padding: 14px;
            background-color: #2a2d3e;
            border: 1px solid #444;
            border-radius: 8px;
            color: #f2f3f5;
            font-size: 1rem;
        }
        input:focus, textarea:focus { outline: none; border-color: #7289da; }
        .rating-stars { display: flex; gap: 0.5rem; font-size: 1.8rem; color: #ffcc00; }
        .star { cursor: pointer; transition: transform 0.2s; }
        .star:hover { transform: scale(1.2); }
        .site-footer {
            background-color: #1a1a2e;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 1px solid #333;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-links h4 { color: #fff; margin-bottom: 1.2rem; }
        .footer-links ul { list-style: none; padding: 0; }
        .footer-links li { margin-bottom: 0.7rem; }
        friend-link {
            display: block;
            padding: 0.5rem;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            margin-bottom: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            color: #99aab5;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .hero h1 { font-size: 2.7rem; }
            h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1.1rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            main { padding: 1.5rem; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.9rem; }
            .btn { padding: 10px 20px; }
            .container { padding: 0 15px; }
        }