        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        :root {
            --bg: #0b0e14;
            --bg-card: #141a24;
            --bg-header: #0f1521;
            --text: #d4d8e1;
            --text-muted: #8895aa;
            --accent: #c9a961;
            --accent-hover: #e0c87c;
            --border: #243041;
            --green: #3fb27f;
            --red: #e05c5c;
            --blue: #5a9fd8;
            --radius: 12px;
            --shadow: 0 4px 24px rgba(0,0,0,0.4);
            --font-main: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }
        html { scroll-behavior: smooth; }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: var(--font-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--accent); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--accent-hover); text-decoration: underline; }
        img { max-width: 100%; display: block; border-radius: var(--radius); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .site-header {
            background: linear-gradient(135deg, var(--bg-header) 0%, #1a2332 100%);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            height: 70px;
        }
        .my-logo {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover { color: var(--accent); text-decoration: none; }
        .my-logo i { color: var(--accent); font-size: 1.6rem; }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 24px;
        }
        .nav-links a {
            color: var(--text);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s ease;
        }
        .nav-links a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
            text-decoration: none;
        }
        .nav-links .nav-btn {
            background: var(--accent);
            color: #0b0e14;
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: 700;
        }
        .nav-links .nav-btn:hover {
            background: var(--accent-hover);
            color: #0b0e14;
            text-decoration: none;
        }
        .hamburger { display: none; cursor: pointer; font-size: 1.5rem; color: #fff; background: none; border: none; }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--bg-header);
            border-top: 1px solid var(--border);
            padding: 20px;
            gap: 12px;
            width: 100%;
        }
        .mobile-nav a {
            color: var(--text);
            padding: 12px;
            border-radius: 6px;
            background: rgba(255,255,255,0.03);
        }
        .mobile-nav a:hover { background: rgba(255,255,255,0.08); color: var(--accent); text-decoration: none; }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .hamburger { display: block; }
            .mobile-nav.open { display: flex; }
            .header-inner { height: 60px; }
        }
        .breadcrumb {
            background: rgba(255,255,255,0.02);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
        }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb span { color: var(--text-muted); margin: 0 6px; }
        .breadcrumb .current { color: var(--accent); }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            margin: 48px 0 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #fff;
            margin: 32px 0 14px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 10px;
        }
        p { margin-bottom: 18px; }
        .lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            font-weight: 400;
            line-height: 1.8;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin: 20px 0;
            box-shadow: var(--shadow);
        }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
        @media (max-width: 768px) {
            .grid-2, .grid-3 { grid-template-columns: 1fr; }
        }
        .price-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }
        .price-table th, .price-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .price-table th {
            background: rgba(255,255,255,0.05);
            color: var(--accent);
            font-weight: 700;
        }
        .price-table tr:hover { background: rgba(255,255,255,0.02); }
        .price-table .up { color: var(--green); font-weight: 600; }
        .price-table .down { color: var(--red); font-weight: 600; }
        .price-table .stable { color: var(--text-muted); }
        .tag {
            display: inline-block;
            background: rgba(201,169,97,0.15);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin: 4px 4px 4px 0;
        }
        .tag-blue { background: rgba(90,159,216,0.15); color: var(--blue); }
        .tag-green { background: rgba(63,178,127,0.15); color: var(--green); }
        .callout {
            background: linear-gradient(135deg, rgba(201,169,97,0.1), rgba(201,169,97,0.03));
            border-left: 4px solid var(--accent);
            border-radius: 8px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .callout i { color: var(--accent); margin-right: 8px; }
        .search-section {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            text-align: center;
            margin: 40px 0;
        }
        .search-form {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .search-form input[type="text"] {
            flex: 1;
            max-width: 400px;
            padding: 14px 20px;
            border: 1px solid var(--border);
            border-radius: 50px;
            background: var(--bg);
            color: var(--text);
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s ease;
        }
        .search-form input[type="text"]:focus { border-color: var(--accent); }
        .search-form button {
            background: var(--accent);
            color: #0b0e14;
            border: none;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .search-form button:hover { background: var(--accent-hover); }
        .review-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 40px 0;
        }
        @media (max-width: 768px) { .review-container { grid-template-columns: 1fr; } }
        .comment-box, .rating-box {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
        }
        .comment-box h3, .rating-box h3 { color: var(--accent); margin-bottom: 16px; }
        .comment-box textarea, .comment-box input, .rating-box select {
            width: 100%;
            padding: 12px;
            margin: 8px 0 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--bg);
            color: var(--text);
            font-size: 0.95rem;
        }
        .comment-box textarea { min-height: 120px; resize: vertical; }
        .comment-box button, .rating-box button {
            background: var(--accent);
            color: #0b0e14;
            border: none;
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .comment-box button:hover, .rating-box button:hover { background: var(--accent-hover); }
        .star-rating { font-size: 1.3rem; color: var(--accent); margin: 8px 0; }
        .star-rating i { margin-right: 4px; }
        .site-footer {
            background: var(--bg-header);
            border-top: 1px solid var(--border);
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
        .footer-links a { display: inline-block; margin: 6px 12px 6px 0; font-size: 0.9rem; color: var(--text-muted); }
        .footer-links a:hover { color: var(--accent); }
        .copyright {
            text-align: center;
            border-top: 1px solid var(--border);
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            margin: 20px 0;
            padding: 16px;
            background: rgba(255,255,255,0.02);
            border-radius: 8px;
            font-size: 0.95rem;
        }
        friend-link a { margin: 0 8px; }
        .hero {
            position: relative;
            padding: 60px 0 80px;
            background: radial-gradient(ellipse at top, rgba(201,169,97,0.1), transparent 60%);
        }
        .hero h1 { max-width: 800px; }
        .hero .lead { max-width: 750px; }
        .toc {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin: 32px 0;
        }
        .toc h3 { margin-bottom: 16px; color: var(--accent); }
        .toc ol { list-style: none; counter-reset: item; }
        .toc ol li { counter-increment: item; margin: 8px 0; }
        .toc ol li a { color: var(--text); }
        .toc ol li a:hover { color: var(--accent); }
        .toc ol li::before {
            content: counter(item) ".";
            color: var(--accent);
            font-weight: 700;
            margin-right: 8px;
        }
        .faq-item { margin: 16px 0; }
        .faq-item summary {
            cursor: pointer;
            font-weight: 600;
            color: #fff;
            padding: 16px;
            background: rgba(255,255,255,0.02);
            border-radius: 8px;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--accent); }
        .faq-item[open] summary::after { content: '−'; }
        .faq-item .faq-answer {
            padding: 16px;
            border-left: 2px solid var(--accent);
            background: rgba(255,255,255,0.01);
            border-radius: 0 8px 8px 0;
            margin-top: 4px;
        }
        .content-image {
            margin: 32px 0;
            text-align: center;
        }
        .content-image img {
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .img-caption { color: var(--text-muted); font-size: 0.85rem; margin-top: 8px; font-style: italic; }
        .info-box {
            background: rgba(90,159,216,0.08);
            border-left: 3px solid var(--blue);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        ul.feature-list { list-style: none; margin: 16px 0; }
        ul.feature-list li { padding: 8px 0; position: relative; padding-left: 28px; }
        ul.feature-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--green);
            position: absolute;
            left: 0;
            font-size: 1rem;
        }
        ul.arrow-list { list-style: none; margin: 16px 0; }
        ul.arrow-list li { padding: 6px 0; position: relative; padding-left: 24px; }
        ul.arrow-list li::before {
            content: '\f0da';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--accent);
            position: absolute;
            left: 0;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(63,178,127,0.12);
            color: var(--green);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin: 16px 0;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .container { padding: 0 16px; }
            .my-logo { font-size: 1.1rem; }
        }
