*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #e10600;
            --primary-dark: #b00500;
            --secondary: #1a1a2e;
            --accent: #ffd700;
            --bg: #f4f4f9;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #555;
            --border: #ddd;
            --radius: 12px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --font: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 70px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding-top: var(--header-h);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: var(--secondary);
            color: #fff;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo span {
            color: var(--accent);
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.8;
            display: block;
            line-height: 1;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--accent);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav#main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        nav#main-nav a {
            color: #eee;
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        nav#main-nav a:hover,
        nav#main-nav a:focus-visible {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent);
            text-decoration: none;
        }
        nav#main-nav a.active {
            background: var(--primary);
            color: #fff;
        }
        .breadcrumb {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #999;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        main {
            padding: 30px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-h) + 20px);
            align-self: start;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--secondary);
        }
        h1 .highlight {
            color: var(--primary);
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
            color: var(--secondary);
        }
        h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 10px;
            color: var(--secondary);
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: var(--text);
        }
        p {
            margin-bottom: 16px;
        }
        .lead {
            font-size: 1.15rem;
            color: var(--text-light);
            border-left: 4px solid var(--primary);
            padding-left: 20px;
            margin-bottom: 24px;
        }
        .emoji-big {
            font-size: 1.4em;
            display: inline-block;
            margin-right: 4px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }
        .card-feature {
            border-left: 4px solid var(--primary);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-item {
            background: var(--bg);
            padding: 16px 20px;
            border-radius: 8px;
            text-align: center;
        }
        .stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-light);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .featured-image {
            margin: 24px 0 32px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #eaeaea;
        }
        .featured-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-family: var(--font);
            font-size: 0.95rem;
            transition: border 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(225, 6, 0, 0.1);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 10px 28px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: var(--secondary);
        }
        .btn-secondary:hover {
            background: #2a2a4e;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ccc;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .sidebar .card h3 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid var(--border);
            padding-bottom: 8px;
            margin-bottom: 12px;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar-links a {
            font-size: 0.9rem;
            display: block;
            padding: 4px 0;
        }
        footer {
            background: var(--secondary);
            color: #ccc;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        footer h4 {
            color: #fff;
            margin-top: 0;
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        footer a {
            color: #aaa;
        }
        footer a:hover {
            color: var(--accent);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            padding: 4px 0;
        }
        .footer-links a {
            font-size: 0.9rem;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 20px;
            font-size: 0.85rem;
            color: #888;
        }
        .copyright strong {
            color: #ccc;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0 8px 4px 0;
            padding: 2px 10px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 4px;
            font-size: 0.85rem;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
                margin-top: 40px;
            }
            .sidebar .card {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .sidebar .card h3 {
                grid-column: 1 / -1;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 60px;
            }
            body {
                padding-top: var(--header-h);
            }
            header {
                padding: 0 16px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .nav-toggle {
                display: block;
            }
            nav#main-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: var(--secondary);
                flex-direction: column;
                padding: 12px 16px 20px;
                gap: 2px;
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.35s ease, opacity 0.3s ease;
                pointer-events: none;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
                border-top: 1px solid rgba(255, 255, 255, 0.05);
                max-height: calc(100vh - var(--header-h));
                overflow-y: auto;
            }
            nav#main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            nav#main-nav a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                border-radius: 6px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
                margin-top: 32px;
            }
            h3 {
                font-size: 1.1rem;
            }
            .card {
                padding: 16px 18px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .sidebar .card {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 8px 0;
            }
            .breadcrumb ol {
                gap: 4px 8px;
            }
            .featured-image figcaption {
                font-size: 0.75rem;
                padding: 8px 14px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1rem;
            }
            .my-logo small {
                display: none;
            }
            h1 {
                font-size: 1.4rem;
            }
            .lead {
                font-size: 1rem;
                padding-left: 14px;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
            .star-rating {
                font-size: 1.3rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .mt-0 {
            margin-top: 0 !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .text-center {
            text-align: center;
        }
        .table-wrap {
            overflow-x: auto;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            margin: 16px 0;
        }
        table th,
        table td {
            padding: 10px 14px;
            border: 1px solid var(--border);
            text-align: left;
        }
        table th {
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
        }
        table tr:nth-child(even) {
            background: #f9f9f9;
        }
        .tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .tag-secondary {
            background: var(--secondary);
        }
        .last-updated {
            display: block;
            text-align: right;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .last-updated i {
            margin-right: 6px;
        }