*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #0b0e14;
            color: #e6edf3;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #f0b429;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus {
            color: #ffd966;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: #f5f9ff;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            border-bottom: 2px solid #f0b42933;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 2rem 0 0.75rem;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.25rem 0 0.5rem;
            color: #f0b429;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        .site-header {
            background: #141a24;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f0b429, #ff7f2a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #f0b429;
            font-size: 1.6rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #8899aa;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #e6edf3;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
        }
        .nav-menu {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
        }
        .nav-menu a {
            color: #c8d6e5;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu a:hover {
            color: #f0b429;
            border-bottom-color: #f0b429;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.75rem 0 0.25rem;
            font-size: 0.85rem;
            color: #7a8a9e;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.6rem;
            color: #5a6a7e;
        }
        .breadcrumb a {
            color: #aabbcc;
        }
        .breadcrumb a:hover {
            color: #f0b429;
        }
        .breadcrumb .active {
            color: #f0b429;
        }
        .search-wrap {
            background: #1a222e;
            border-radius: 12px;
            padding: 2rem 1.5rem;
            margin: 2rem 0 2.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }
        .search-wrap label {
            font-weight: 600;
            color: #f0b429;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-wrap input {
            flex: 1 1 240px;
            padding: 0.7rem 1rem;
            border: none;
            border-radius: 8px;
            background: #0b0e14;
            color: #e6edf3;
            font-size: 0.95rem;
            border: 1px solid #2a3442;
            transition: 0.25s;
        }
        .search-wrap input:focus {
            outline: none;
            border-color: #f0b429;
            box-shadow: 0 0 0 3px #f0b42933;
        }
        .search-wrap button {
            padding: 0.7rem 1.6rem;
            background: #f0b429;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            color: #0b0e14;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-wrap button:hover {
            background: #ffc94d;
            transform: scale(1.02);
        }
        .hero-img {
            border-radius: 16px;
            overflow: hidden;
            margin: 2rem 0 2.5rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
            background: #1a222e;
        }
        .hero-img img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .hero-img figcaption {
            padding: 0.75rem 1.25rem;
            font-size: 0.85rem;
            color: #aabbcc;
            background: #141a24;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .card {
            background: #141a24;
            border-radius: 14px;
            padding: 1.5rem;
            border: 1px solid #1e2a38;
            transition: 0.3s;
        }
        .card:hover {
            border-color: #f0b42955;
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
        }
        .card i {
            font-size: 1.8rem;
            color: #f0b429;
            margin-bottom: 0.75rem;
        }
        .card h3 {
            margin-top: 0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: #141a24;
            border-radius: 14px;
            padding: 1.75rem 1.5rem;
            border: 1px solid #1e2a38;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card textarea,
        .feedback-card input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #2a3442;
            border-radius: 8px;
            background: #0b0e14;
            color: #e6edf3;
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
            resize: vertical;
            font-family: inherit;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            outline: none;
            border-color: #f0b429;
        }
        .feedback-card button {
            padding: 0.6rem 1.5rem;
            background: #f0b429;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            color: #0b0e14;
            cursor: pointer;
            transition: 0.25s;
            font-size: 0.9rem;
        }
        .feedback-card button:hover {
            background: #ffc94d;
        }
        .star-rating {
            display: flex;
            gap: 0.25rem;
            margin-bottom: 0.75rem;
            font-size: 1.4rem;
            cursor: pointer;
        }
        .star-rating i {
            color: #3a4a5a;
            transition: 0.2s;
        }
        .star-rating i.active {
            color: #f0b429;
        }
        .star-rating i:hover {
            color: #f0b429;
            transform: scale(1.1);
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 0.6rem 1.2rem;
            list-style: none;
            padding: 0;
            margin: 1.5rem 0;
        }
        .link-list li::before {
            content: "🏎️";
            margin-right: 0.4rem;
            font-size: 0.8rem;
        }
        .link-list a {
            color: #c8d6e5;
            font-size: 0.92rem;
            border-bottom: 1px dotted #2a3442;
        }
        .link-list a:hover {
            color: #f0b429;
            border-bottom-color: #f0b429;
        }
        friend-link {
            display: block;
            background: #141a24;
            border-radius: 12px;
            padding: 1.5rem 2rem;
            margin: 2rem 0 1rem;
            border: 1px solid #1e2a38;
        }
        friend-link::before {
            content: "🤝 Friend Links";
            display: block;
            font-weight: 700;
            font-size: 1.1rem;
            color: #f0b429;
            margin-bottom: 0.75rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.5rem;
            margin-bottom: 0.4rem;
            color: #aabbcc;
            border-bottom: 1px dotted #2a3442;
        }
        friend-link a:hover {
            color: #f0b429;
            border-bottom-color: #f0b429;
        }
        .site-footer {
            background: #0d121c;
            border-top: 1px solid #1e2a38;
            padding: 2rem 0 1.5rem;
            margin-top: 3rem;
            text-align: center;
            font-size: 0.85rem;
            color: #6a7a8e;
        }
        .site-footer .copyright {
            margin-top: 0.75rem;
            font-size: 0.8rem;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem;
                gap: 0.6rem;
            }
            .nav-menu.open {
                display: flex;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-wrap {
                flex-direction: column;
                align-items: stretch;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .link-list {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .link-list {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .hero-img img {
                max-height: 220px;
            }
        }
        .highlight {
            color: #f0b429;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #f0b42922;
            color: #f0b429;
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .updated {
            color: #7a8a9e;
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
            display: block;
        }
        hr {
            border: none;
            border-top: 1px solid #1e2a38;
            margin: 2.5rem 0;
        }
        .toc {
            background: #141a24;
            border-radius: 12px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border: 1px solid #1e2a38;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ol {
            columns: 2;
            column-gap: 2rem;
        }
        .toc ol li {
            break-inside: avoid;
            margin-bottom: 0.3rem;
        }
        .toc ol a {
            color: #c8d6e5;
        }
        .toc ol a:hover {
            color: #f0b429;
        }
        @media (max-width: 600px) {
            .toc ol {
                columns: 1;
            }
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .data-table th {
            background: #1a222e;
            color: #f0b429;
            padding: 0.6rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #1e2a38;
        }
        .data-table tr:hover td {
            background: #1a222e44;
        }
        .blockquote {
            border-left: 4px solid #f0b429;
            padding: 0.75rem 1.5rem;
            margin: 1.5rem 0;
            background: #141a2444;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #d0d8e0;
        }
        .blockquote cite {
            display: block;
            margin-top: 0.5rem;
            font-size: 0.85rem;
            color: #7a8a9e;
            font-style: normal;
        }