*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #0b0e14;
            color: #e8edf0;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #6dd5ed; text-decoration: none; transition: color 0.25s; }
        a:hover, a:focus { color: #f5a623; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 8px; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; letter-spacing: 0.01em; }
        h1 { font-size: 2.4rem; margin-bottom: 0.5rem; }
        h2 { font-size: 1.8rem; margin: 2.2rem 0 1rem; border-bottom: 2px solid #2a3a4a; padding-bottom: 0.4rem; }
        h3 { font-size: 1.35rem; margin: 1.6rem 0 0.6rem; color: #b0d4e8; }
        h4 { font-size: 1.1rem; margin: 1rem 0 0.4rem; color: #8ab8d0; }
        p { margin-bottom: 1rem; }
        ul, ol { margin: 0.6rem 0 1.2rem 1.8rem; }
        li { margin-bottom: 0.3rem; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; width: 100%; }
        header {
            background: #141c26;
            border-bottom: 2px solid #1f2e3a;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0,0,0,0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f5a623, #6dd5ed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i { font-size: 1.4rem; background: none; -webkit-text-fill-color: #6dd5ed; }
        .my-logo small { font-size: 0.7rem; font-weight: 400; -webkit-text-fill-color: #8a9baa; display: block; }
        nav.main-nav ul {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        nav.main-nav ul li a {
            display: block;
            padding: 0.5rem 0.9rem;
            color: #c8d6e0;
            font-weight: 500;
            font-size: 0.92rem;
            border-radius: 20px;
            transition: background 0.25s, color 0.25s;
        }
        nav.main-nav ul li a:hover,
        nav.main-nav ul li a.active {
            background: #1f2e3a;
            color: #f5a623;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 1px solid #2a3a4a;
            color: #c8d6e0;
            font-size: 1.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover { background: #1f2e3a; }
        .breadcrumbs {
            padding: 0.6rem 0 0.2rem;
            font-size: 0.85rem;
            color: #7a8a9a;
        }
        .breadcrumbs a { color: #6dd5ed; }
        .breadcrumbs span { color: #aabac8; }
        main { flex: 1; padding: 1.6rem 0 3rem; }
        .featured-figure {
            margin: 1.8rem 0 2.2rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0,0,0,0.5);
            background: #1a2532;
            text-align: center;
        }
        .featured-figure img { width: 100%; max-height: 480px; object-fit: cover; }
        .featured-figure figcaption {
            padding: 0.8rem 1rem;
            font-size: 0.9rem;
            color: #9ab0c0;
            font-style: italic;
            background: #141c26;
        }
        .search-section {
            background: #141c26;
            padding: 1.6rem 1.8rem;
            border-radius: 14px;
            margin-bottom: 2.4rem;
            border: 1px solid #1f2e3a;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border-radius: 30px;
            border: 1px solid #2a3a4a;
            background: #0b0e14;
            color: #e8edf0;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input[type="text"]:focus { border-color: #6dd5ed; }
        .search-form button {
            padding: 0.75rem 1.8rem;
            border-radius: 30px;
            border: none;
            background: linear-gradient(135deg, #f5a623, #d48c1a);
            color: #0b0e14;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(245,166,35,0.3);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 2.4rem 0;
        }
        @media (max-width: 700px) {
            .interact-grid { grid-template-columns: 1fr; }
        }
        .card {
            background: #141c26;
            border: 1px solid #1f2e3a;
            border-radius: 14px;
            padding: 1.6rem 1.8rem;
            transition: border-color 0.3s;
        }
        .card:hover { border-color: #3a5a6a; }
        .card h3 { margin-top: 0; border-bottom: none; color: #f5a623; font-size: 1.2rem; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.8rem 0 1rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 1.8rem;
            color: #3a4a5a;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #f5a623;
            transform: scale(1.1);
        }
        .card textarea {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 1px solid #2a3a4a;
            background: #0b0e14;
            color: #e8edf0;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            font-family: inherit;
            outline: none;
            transition: border 0.3s;
        }
        .card textarea:focus { border-color: #6dd5ed; }
        .card .btn-submit {
            margin-top: 0.8rem;
            padding: 0.6rem 1.6rem;
            border-radius: 30px;
            border: none;
            background: #1f2e3a;
            color: #e8edf0;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .card .btn-submit:hover {
            background: #2a4a5a;
            transform: translateY(-1px);
        }
        .toc {
            background: #141c26;
            border: 1px solid #1f2e3a;
            border-radius: 12px;
            padding: 1.4rem 1.8rem;
            margin-bottom: 2rem;
        }
        .toc summary {
            font-size: 1.2rem;
            font-weight: 700;
            color: #f5a623;
            cursor: pointer;
            padding: 0.2rem 0;
        }
        .toc ol {
            margin: 0.8rem 0 0 1.2rem;
            columns: 2 240px;
            column-gap: 2rem;
        }
        .toc ol li { margin-bottom: 0.25rem; }
        .toc ol li a { color: #b0d4e8; }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 0.5rem 1rem;
            margin: 1.2rem 0;
            padding: 0.8rem 1rem;
            background: #0f1820;
            border-radius: 10px;
            border-left: 4px solid #f5a623;
        }
        .link-grid a {
            display: inline-block;
            padding: 0.2rem 0;
            font-size: 0.92rem;
        }
        .link-grid a i { margin-right: 0.3rem; color: #6dd5ed; }
        footer {
            background: #0f1820;
            border-top: 2px solid #1a2532;
            padding: 2.2rem 0 1.8rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
        }
        @media (max-width: 600px) {
            .footer-grid { grid-template-columns: 1fr; }
        }
        friend-link {
            display: block;
            margin: 0.6rem 0;
        }
        friend-link a {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            margin: 0.2rem 0.2rem 0.2rem 0;
            background: #1a2532;
            border-radius: 16px;
            font-size: 0.9rem;
            color: #b0d4e8;
            transition: background 0.25s;
        }
        friend-link a:hover { background: #2a3a4a; color: #f5a623; text-decoration: none; }
        .copyright {
            margin-top: 1.6rem;
            padding-top: 1rem;
            border-top: 1px solid #1f2e3a;
            font-size: 0.85rem;
            color: #6a7a8a;
            text-align: center;
        }
        .copyright a { color: #6dd5ed; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav.main-nav {
                width: 100%;
                display: none;
                margin-top: 0.4rem;
            }
            nav.main-nav.open { display: block; }
            nav.main-nav ul {
                flex-direction: column;
                gap: 0;
                background: #141c26;
                border-radius: 10px;
                padding: 0.4rem 0;
                border: 1px solid #1f2e3a;
            }
            nav.main-nav ul li a { padding: 0.6rem 1.2rem; border-radius: 0; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .toc ol { columns: 1; }
        }
        @media (min-width: 769px) {
            nav.main-nav { display: block !important; }
        }
        .last-updated {
            display: inline-block;
            background: #1a2532;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #8a9baa;
            margin-bottom: 1.2rem;
        }
        .last-updated i { margin-right: 0.4rem; color: #6dd5ed; }
        .highlight { color: #f5a623; font-weight: 600; }
        .badge {
            display: inline-block;
            background: #1f2e3a;
            color: #6dd5ed;
            padding: 0.1rem 0.7rem;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .blockquote {
            border-left: 4px solid #f5a623;
            padding: 0.8rem 1.4rem;
            margin: 1.2rem 0;
            background: #0f1820;
            border-radius: 0 10px 10px 0;
            font-style: italic;
            color: #c8d6e0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.2rem 0;
        }
        .stat-item {
            background: #1a2532;
            padding: 1rem;
            border-radius: 10px;
            text-align: center;
            border: 1px solid #1f2e3a;
        }
        .stat-item .num { font-size: 1.8rem; font-weight: 800; color: #f5a623; }
        .stat-item .label { font-size: 0.85rem; color: #8a9baa; }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 0;
            background: #f5a623;
            color: #0b0e14;
            padding: 0.6rem 1.2rem;
            z-index: 999;
            font-weight: 700;
            border-radius: 0 0 8px 0;
        }
        .skip-link:focus { top: 0; }