*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #0d0d1a;
            color: #e0e0e0;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f0c040;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f5f5f5;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: clamp(1.8rem, 4.5vw, 2.8rem);
            border-left: 5px solid #f0c040;
            padding-left: 1rem;
        }
        h2 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            border-bottom: 2px solid #2a2a4a;
            padding-bottom: 0.4rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: clamp(1.15rem, 2.2vw, 1.5rem);
            color: #f0d080;
        }
        h4 {
            font-size: clamp(1rem, 1.8vw, 1.2rem);
            color: #c0b0a0;
        }
        p {
            margin-bottom: 1rem;
        }
        strong {
            color: #f5f0e0;
        }
        blockquote {
            border-left: 4px solid #f0c040;
            background: #1a1a30;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #d0d0e0;
        }
        hr {
            border: none;
            border-top: 2px solid #2a2a4a;
            margin: 2rem 0;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
            width: 100%;
        }
        .flex-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        header {
            background: #12121f;
            border-bottom: 2px solid #2a2a4a;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #f0c040;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #d63031;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #ffd966;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #aaa;
            display: block;
            letter-spacing: 0.3px;
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem;
        }
        nav a {
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c0c0d0;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover,
        nav a.active {
            background: #2a2a4a;
            color: #f0c040;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f0c040;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumbs {
            font-size: 0.85rem;
            color: #999;
            padding: 0.6rem 0 0.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumbs a {
            color: #c0a060;
        }
        .breadcrumbs a:hover {
            color: #f0c040;
        }
        .breadcrumbs span.sep {
            color: #555;
        }
        .search-bar {
            display: flex;
            gap: 0.4rem;
            max-width: 480px;
            margin: 1.2rem 0 1.8rem;
            width: 100%;
        }
        .search-bar input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #2a2a4a;
            border-radius: 8px;
            background: #1a1a2e;
            color: #f0f0f0;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.25s;
        }
        .search-bar input:focus {
            border-color: #f0c040;
        }
        .search-bar button {
            padding: 0.7rem 1.2rem;
            background: #f0c040;
            border: none;
            border-radius: 8px;
            color: #1a1a2e;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-bar button:hover {
            background: #ffd966;
            transform: scale(1.02);
        }
        .card {
            background: #16162a;
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid #2a2a4a;
            transition: border-color 0.25s, box-shadow 0.25s;
        }
        .card:hover {
            border-color: #f0c04044;
            box-shadow: 0 4px 24px rgba(240, 192, 64, 0.06);
        }
        .card h3 {
            margin-top: 0;
        }
        .card p:last-child {
            margin-bottom: 0;
        }
        .feature-img {
            border-radius: 12px;
            margin: 1.5rem 0;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            user-select: none;
        }
        .rating-stars .star {
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #f0c040;
            transform: scale(1.1);
        }
        .rating-stars .star:hover~.star {
            color: #444;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #2a2a4a;
            border-radius: 8px;
            background: #1a1a2e;
            color: #f0f0f0;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border-color 0.25s;
            font-family: inherit;
        }
        .comment-form textarea:focus {
            border-color: #f0c040;
        }
        .comment-form .form-actions {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-top: 0.6rem;
        }
        .comment-form .form-actions input {
            flex: 1;
            min-width: 160px;
            padding: 0.6rem 1rem;
            border: 2px solid #2a2a4a;
            border-radius: 8px;
            background: #1a1a2e;
            color: #f0f0f0;
            outline: none;
            transition: border-color 0.25s;
        }
        .comment-form .form-actions input:focus {
            border-color: #f0c040;
        }
        .btn-primary {
            padding: 0.7rem 1.6rem;
            background: #f0c040;
            border: none;
            border-radius: 8px;
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            background: #ffd966;
            transform: scale(1.02);
        }
        .btn-outline {
            padding: 0.6rem 1.4rem;
            background: transparent;
            border: 2px solid #f0c040;
            border-radius: 8px;
            color: #f0c040;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.9rem;
        }
        .btn-outline:hover {
            background: #f0c040;
            color: #1a1a2e;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #16162a;
            border-radius: 10px;
            overflow: hidden;
            font-size: 0.92rem;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #2a2a4a;
        }
        th {
            background: #1f1f3a;
            color: #f0c040;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-size: 0.8rem;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #1a1a35;
        }
        footer {
            background: #0b0b18;
            border-top: 2px solid #1f1f3a;
            padding: 2.5rem 0 1.5rem;
            margin-top: auto;
        }
        footer .wrapper {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        footer h4 {
            color: #f0c040;
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
        }
        footer a {
            color: #a0a0c0;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 0.3rem;
        }
        footer a:hover {
            color: #f0c040;
        }
        .footer-copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1f1f3a;
            font-size: 0.85rem;
            color: #666;
        }
        .footer-copyright strong {
            color: #aaa;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            display: inline-block;
            padding: 0.2rem 0;
        }
        @media (max-width: 900px) {
            footer .wrapper {
                grid-template-columns: 1fr 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #12121f;
                padding: 0.8rem 0 1.2rem;
                border-top: 1px solid #2a2a4a;
                margin-top: 0.6rem;
            }
            #nav-toggle:checked~nav {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            footer .wrapper {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .search-bar {
                flex-direction: column;
            }
            .search-bar button {
                width: 100%;
                justify-content: center;
            }
            .rating-stars {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 480px) {
            .wrapper {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.5rem;
                padding-left: 0.6rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .card {
                padding: 1rem;
            }
            table {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 0.5rem 0.6rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }
        .badge {
            display: inline-block;
            background: #2a2a4a;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #f0c040;
            letter-spacing: 0.3px;
        }
        .badge-green {
            background: #1e3a2a;
            color: #6fcf97;
        }
        .badge-red {
            background: #3a1e1e;
            color: #cf6f6f;
        }
        .emoji-lg {
            font-size: 1.4em;
        }
        .highlight {
            background: linear-gradient(120deg, #f0c04022, #f0c04008);
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .toc {
            background: #16162a;
            border-radius: 12px;
            padding: 1.2rem 1.8rem;
            border: 1px solid #2a2a4a;
            margin: 1.5rem 0;
        }
        .toc a {
            display: block;
            padding: 0.2rem 0;
            font-size: 0.95rem;
        }
        .toc a::before {
            content: "▸ ";
            color: #f0c040;
        }
        .toc .toc-h2 {
            font-weight: 600;
            margin-top: 0.4rem;
        }
        .toc .toc-h3 {
            padding-left: 1.2rem;
            font-size: 0.88rem;
            color: #c0b0a0;
        }
        .toc .toc-h4 {
            padding-left: 2.2rem;
            font-size: 0.82rem;
            color: #908880;
        }