*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f5f7fb;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #1a56db;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #0d2f6e;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 12px;
            background: #1a56db;
            color: #fff;
            padding: 0.6rem 1.2rem;
            border-radius: 0 0 6px 6px;
            z-index: 9999;
            font-weight: 600;
            transition: top 0.25s ease;
        }
        .skip-link:focus {
            top: 0;
            text-decoration: none;
            color: #fff;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a33 0%, #1a3a5c 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #facc15;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
            transition: transform 0.2s ease;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #fde047;
        }
        .my-logo i {
            font-size: 2rem;
            color: #fff;
        }
        .my-logo span {
            font-size: 0.9rem;
            font-weight: 400;
            color: #cbd5e1;
            letter-spacing: 0.3px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.4rem 0.9rem;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: rgba(255, 255, 255, 0.15);
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #facc15;
            color: #0b1a33;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb-wrap {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #64748b;
            font-size: 1.1rem;
            margin-right: 0.3rem;
        }
        .breadcrumb a {
            color: #1a56db;
        }
        .breadcrumb .current {
            color: #334155;
            font-weight: 500;
        }
        .main-content {
            padding: 2.2rem 0 3rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b1a33;
            margin-bottom: 0.8rem;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0f2b45;
            margin-top: 2.8rem;
            margin-bottom: 0.8rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #facc15;
            display: inline-block;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a3a5c;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c3e5c;
            margin-top: 1.5rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .lead {
            font-size: 1.2rem;
            color: #334155;
            font-weight: 400;
            line-height: 1.8;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #e9edf2;
        }
        .featured-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #475569;
            background: #fff;
            border-top: 1px solid #e2e8f0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #0b1a33;
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
        }
        tr:nth-child(even) {
            background: #f8fafc;
        }
        tr:hover {
            background: #eef2ff;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.5rem;
            margin: 1.8rem 0;
        }
        .card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: transform 0.2s ease, box-shadow 0.3s ease;
            border: 1px solid #e9edf2;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.10);
        }
        .card i {
            font-size: 2rem;
            color: #facc15;
            margin-bottom: 0.6rem;
        }
        .card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #eef2ff, #f0f4ff);
            border-left: 5px solid #facc15;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .player-quote {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            margin: 1.8rem 0;
            border: 1px solid #e2e8f0;
            position: relative;
        }
        .player-quote::before {
            content: "“";
            font-size: 4rem;
            color: #facc15;
            position: absolute;
            top: -0.2rem;
            left: 0.8rem;
            line-height: 1;
            font-family: Georgia, serif;
            opacity: 0.5;
        }
        .player-quote p {
            font-style: italic;
            font-size: 1.05rem;
            color: #1e293b;
        }
        .player-quote .attribution {
            font-style: normal;
            font-weight: 600;
            color: #0b1a33;
            margin-top: 0.4rem;
            display: block;
        }
        .interactive-section {
            background: #fff;
            border-radius: 18px;
            padding: 2rem 2rem 2.2rem;
            margin: 2.8rem 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            border: 1px solid #e2e8f0;
        }
        .interactive-section h2 {
            margin-top: 0;
            border-bottom: none;
            display: block;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d1d9e6;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.25s ease;
            background: #fafcff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #1a56db;
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.12);
        }
        .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-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            background: #1a56db;
            color: #fff;
        }
        .btn:hover {
            background: #0d2f6e;
            transform: scale(1.02);
        }
        .btn i {
            font-size: 1rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 2rem;
            color: #d1d9e6;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.hover {
            color: #facc15;
        }
        .rating-stars i.selected {
            color: #facc15;
        }
        .site-footer {
            background: #0b1a33;
            color: #cbd5e1;
            padding: 2.5rem 0 1.8rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #facc15;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: #94a3b8;
            display: inline-block;
            margin-bottom: 0.3rem;
        }
        .footer-grid a:hover {
            color: #facc15;
        }
        friend-link {
            display: block;
            margin-top: 0.8rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
            color: #94a3b8;
        }
        friend-link a:hover {
            color: #facc15;
        }
        .copyright {
            border-top: 1px solid #1e3a5f;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright a {
            color: #94a3b8;
        }
        .copyright a:hover {
            color: #facc15;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f2b45;
                border-radius: 12px;
                padding: 0.6rem;
                margin-top: 0.4rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .interactive-section {
                padding: 1.5rem;
            }
            .breadcrumb-wrap {
                font-size: 0.75rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.5rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            .lead {
                font-size: 1rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        :focus-visible {
            outline: 3px solid #facc15;
            outline-offset: 2px;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }
        section[id],
        [id^="section-"] {
            scroll-margin-top: 80px;
        }
        .tag {
            display: inline-block;
            background: #e9edf2;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            font-size: 0.8rem;
            color: #334155;
        }
        .updated-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: #64748b;
            margin-bottom: 1.2rem;
        }
        .updated-badge i {
            color: #facc15;
        }
        .inline-link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            margin: 1rem 0;
            padding: 0.6rem 0;
            list-style: none;
        }
        .inline-link-list li {
            margin: 0;
        }
        .inline-link-list a {
            font-weight: 500;
        }
        .emoji-big {
            font-size: 1.3rem;
        }