*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0e14;
            color: #e8edf3;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f5c542;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #ffd966;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f0f4fa;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 3px solid #f5c542;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f5c542;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #f5c542;
        }
        h4 {
            font-size: 1.2rem;
            color: #d4e0f0;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0f141c, #1a1f2a);
            padding: 0.8rem 0;
            border-bottom: 2px solid #2a3340;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #f5c542, #e6a800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-transform: uppercase;
            font-family: 'Impact', 'Arial Black', sans-serif;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            -webkit-text-fill-color: #f5c542;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f5c542;
            margin-right: 6px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #c8d2e0;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-list li a:hover,
        .nav-list li a:focus {
            background: #f5c542;
            color: #0b0e14;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: #f5c54220;
            color: #f5c542;
            border: 1px solid #f5c54244;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #f5c542;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: rotate(90deg);
        }
        .hamburger:focus-visible {
            outline: 2px solid #f5c542;
            outline-offset: 4px;
        }
        .breadcrumb {
            background: #151b24;
            padding: 0.6rem 0;
            border-bottom: 1px solid #252e3a;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #6a7a8a;
        }
        .breadcrumb a {
            color: #9aabb8;
        }
        .breadcrumb a:hover {
            color: #f5c542;
        }
        .breadcrumb .current {
            color: #f5c542;
            font-weight: 600;
        }
        .main-content {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #1e2632;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #aab8c8;
            margin-bottom: 1.5rem;
            border: 1px solid #2a3340;
        }
        .last-updated i {
            color: #f5c542;
        }
        .feature-image-wrap {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            background: #1a212c;
            padding: 0.5rem;
        }
        .feature-image-wrap img {
            border-radius: 12px;
            width: 100%;
            object-fit: cover;
            max-height: 500px;
        }
        .feature-image-wrap figcaption {
            text-align: center;
            padding: 0.6rem 0 0.2rem;
            font-size: 0.85rem;
            color: #8a9aa8;
            font-style: italic;
        }
        .article-body {
            background: #111821;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid #232c38;
        }
        .article-body p {
            text-align: justify;
        }
        .highlight-box {
            background: #1a2533;
            border-left: 5px solid #f5c542;
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0;
            border-radius: 0 12px 12px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .inline-link {
            font-weight: 600;
            border-bottom: 1px dotted #f5c542;
        }
        .inline-link:hover {
            border-bottom-style: solid;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .form-section {
            background: #151d27;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            border: 1px solid #2a3442;
        }
        .form-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #d0dce8;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 1px solid #2f3b4a;
            background: #0e141d;
            color: #e8edf3;
            font-size: 1rem;
            transition: border 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #f5c542;
            outline: none;
            box-shadow: 0 0 0 3px #f5c54222;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.25s ease;
            background: #f5c542;
            color: #0b0e14;
        }
        .btn:hover,
        .btn:focus {
            background: #ffd966;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(245, 197, 66, 0.3);
        }
        .btn-secondary {
            background: #2a3442;
            color: #e8edf3;
        }
        .btn-secondary:hover {
            background: #3a485a;
            box-shadow: 0 8px 25px rgba(42, 52, 66, 0.4);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #3a485a;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5c542;
        }
        friend-link {
            display: block;
            padding: 1.8rem 0 0.8rem;
        }
        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            list-style: none;
            padding: 0;
            margin-top: 0.5rem;
        }
        .friend-links-list li a {
            background: #1e2632;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.9rem;
            border: 1px solid #2a3442;
            transition: all 0.2s;
            display: inline-block;
        }
        .friend-links-list li a:hover {
            background: #f5c542;
            color: #0b0e14;
            border-color: #f5c542;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0e15;
            border-top: 2px solid #1a232e;
            padding: 2rem 0 1.5rem;
            font-size: 0.9rem;
            color: #8a9aa8;
            margin-top: 2rem;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .footer-copy {
            font-size: 0.85rem;
        }
        .footer-copy a {
            color: #f5c542;
        }
        .toc {
            background: #151d27;
            border-radius: 16px;
            padding: 1.4rem 2rem;
            margin: 1.5rem 0 2rem;
            border: 1px solid #2a3442;
        }
        .toc summary {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f5c542;
            cursor: pointer;
            padding: 0.2rem 0;
        }
        .toc ol {
            margin-top: 0.8rem;
            columns: 2 240px;
            column-gap: 2rem;
        }
        .toc ol li {
            margin-bottom: 0.3rem;
            break-inside: avoid;
        }
        .toc ol li a {
            color: #c8d2e0;
        }
        .toc ol li a:hover {
            color: #f5c542;
        }
        @media (max-width: 900px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-body {
                padding: 1.2rem 1.2rem;
            }
            .form-section {
                padding: 1.2rem 1.2rem;
            }
            .toc ol {
                columns: 1;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #151d27;
                border-radius: 16px;
                padding: 0.8rem 0.5rem;
                margin-top: 0.6rem;
                border: 1px solid #2a3442;
                gap: 0.2rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1.2rem;
                border-radius: 30px;
            }
            .header-inner {
                align-items: center;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                width: 100%;
            }
            .hamburger {
                order: 1;
                margin-left: auto;
            }
            .nav-list {
                order: 2;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb ol {
                font-size: 0.78rem;
            }
            .feature-image-wrap {
                margin: 1rem 0 1.5rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                font-size: 0.95rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
                padding-left: 0.7rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .article-body {
                padding: 0.8rem 0.9rem;
            }
            .container {
                padding: 0 0.7rem;
            }
            .form-section {
                padding: 0.9rem 0.9rem;
            }
            .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.9rem;
            }
            .highlight-box {
                padding: 0.9rem 1.2rem;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }
        :focus-visible {
            outline: 2px solid #f5c542;
            outline-offset: 3px;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0e14;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3442;
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3a485a;
        }