:root {
            --primary-dark: #0c1a2a;
            --primary-accent: #4a90e2;
            --secondary-accent: #f39c12;
            --stealth-purple: #8e44ad;
            --text-light: #e0e7ff;
            --text-muted: #94a3b8;
            --bg-card: #1e293b;
            --border-color: #334155;
            --success-green: #10b981;
            --danger-red: #ef4444;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--secondary-accent);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(12, 26, 42, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-accent), var(--stealth-purple));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--secondary-accent);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-accent);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 992px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--primary-dark);
            border-top: 1px solid var(--border-color);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
            z-index: 999;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav a {
            display: block;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 1.1rem;
            font-weight: 600;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary-accent);
        }
        .breadcrumb i {
            margin: 0 10px;
        }
        .search-container {
            margin: 30px 0;
            padding: 20px;
            background-color: var(--bg-card);
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }
        .search-form {
            display: flex;
            max-width: 800px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid var(--border-color);
            border-radius: 8px 0 0 8px;
            background-color: #2d3748;
            color: var(--text-light);
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-accent);
        }
        .search-btn {
            padding: 0 30px;
            background: linear-gradient(135deg, var(--primary-accent), var(--stealth-purple));
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: transform 0.2s ease;
        }
        .search-btn:hover {
            transform: scale(1.02);
        }
        main {
            padding: 30px 0;
        }
        article {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: 40px;
            margin-bottom: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            color: var(--text-light);
            background: linear-gradient(90deg, var(--primary-accent), #9b59b6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--stealth-purple);
            color: var(--secondary-accent);
        }
        h3 {
            font-size: 1.7rem;
            margin: 30px 0 15px;
            color: var(--primary-accent);
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: var(--text-light);
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-muted);
            font-weight: 300;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .highlight-box {
            background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(142, 68, 173, 0.1));
            border-left: 5px solid var(--stealth-purple);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box h4 {
            margin-top: 0;
            color: var(--secondary-accent);
        }
        .img-container {
            margin: 40px auto;
            text-align: center;
            max-width: 900px;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            border: 2px solid var(--border-color);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            margin-top: 10px;
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        ul, ol {
            margin: 20px 0 20px 30px;
        }
        li {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        .key-term {
            color: var(--secondary-accent);
            font-weight: 700;
            font-style: italic;
        }
        .mechanics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .mechanic-card {
            background-color: #2d3748;
            border-radius: 10px;
            padding: 25px;
            border: 1px solid var(--border-color);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .mechanic-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        .mechanic-card h4 {
            color: var(--stealth-purple);
            margin-top: 0;
        }
        .tier-list {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            background-color: #2d3748;
            border-radius: 10px;
            overflow: hidden;
        }
        .tier-list th, .tier-list td {
            padding: 18px 15px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        .tier-list th {
            background-color: rgba(142, 68, 173, 0.3);
            color: var(--text-light);
            font-weight: 700;
        }
        .tier-list tr:hover {
            background-color: rgba(74, 144, 226, 0.05);
        }
        .tier-s {
            color: #10b981;
            font-weight: 700;
        }
        .tier-a { color: #4a90e2; font-weight: 700; }
        .tier-b { color: #f39c12; font-weight: 700; }
        .exclusive-interview {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            padding: 40px;
            border-radius: 15px;
            margin: 50px 0;
            border: 1px solid var(--border-color);
        }
        .quote {
            font-size: 1.4rem;
            font-style: italic;
            color: var(--text-light);
            text-align: center;
            margin: 30px 0;
            padding: 0 20px;
            position: relative;
        }
        .quote::before, .quote::after {
            content: '"';
            font-size: 3rem;
            color: var(--secondary-accent);
            position: absolute;
            opacity: 0.7;
        }
        .quote::before { top: -20px; left: 0; }
        .quote::after { bottom: -40px; right: 0; }
        .user-interaction {
            margin: 60px 0;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .interaction-card {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interaction-card h3 i {
            color: var(--secondary-accent);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 20px 0;
            font-size: 1.8rem;
            color: #f1c40f;
        }
        .star {
            cursor: pointer;
            transition: transform 0.2s ease;
        }
        .star:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 15px;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            background-color: #2d3748;
            color: var(--text-light);
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-accent);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(135deg, var(--primary-accent), var(--stealth-purple));
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 7px 15px rgba(0, 0, 0, 0.2);
        }
        .web-links-section {
            margin: 50px 0 30px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background-color: var(--bg-card);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background-color: #2d3748;
            border-color: var(--primary-accent);
            transform: translateX(5px);
        }
        .web-link a {
            display: block;
            font-weight: 600;
            color: var(--text-light);
        }
        .web-link a:hover {
            color: var(--secondary-accent);
        }
        footer {
            background-color: #0a1422;
            border-top: 1px solid var(--border-color);
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: var(--secondary-accent);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: 700; }
        .text-italic { font-style: italic; }
        .color-accent { color: var(--primary-accent); }
        .color-warning { color: var(--secondary-accent); }
        .color-success { color: var(--success-green); }
        .mb-30 { margin-bottom: 30px; }
        .mt-40 { margin-top: 40px; }
        .p-20 { padding: 20px; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            article { padding: 25px; }
            .search-form { flex-direction: column; }
            .search-input { border-radius: 8px; margin-bottom: 10px; }
            .search-btn { border-radius: 8px; padding: 15px; }
            .tier-list { display: block; overflow-x: auto; }
            .mechanics-grid { grid-template-columns: 1fr; }
            .interaction-grid { grid-template-columns: 1fr; }
        }