*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #F5F7FA;
            color: #1E2A3A;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #0057B3;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #003D7A;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.25rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            font-weight: 700;
            color: #0B1C2F;
        }
        em {
            font-style: italic;
        }
        hr {
            border: none;
            border-top: 2px solid #DCE1E8;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background: linear-gradient(135deg, #0B1C2F 0%, #1A3A5C 100%);
            color: #fff;
            padding: 0.75rem 0;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            position: relative;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #FFD966, #FFB347);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 8px rgba(255, 180, 50, 0.3);
            transition: transform 0.25s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.5rem;
            font-weight: 400;
            color: #B0C7DE;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list a {
            color: #E6EDF5;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.25s ease, color 0.25s ease;
        }
        .nav-list a:hover {
            color: #FFD966;
            border-bottom-color: #FFD966;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s ease;
        }
        .hamburger:hover {
            transform: rotate(90deg);
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.08);
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.8rem;
            font-size: 0.85rem;
            color: #C8D6E5;
            margin-top: 0.6rem;
            width: 100%;
        }
        .breadcrumb a {
            color: #B0C7DE;
        }
        .breadcrumb a:hover {
            color: #FFD966;
            text-decoration: none;
        }
        .breadcrumb .sep {
            color: #7A98B6;
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 600;
        }
        main {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-main {
            min-width: 0;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0B1C2F;
            margin-bottom: 0.75rem;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1A3A5C;
            margin-top: 3rem;
            margin-bottom: 1rem;
            border-left: 6px solid #FFB347;
            padding-left: 1.2rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1E2A3A;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2C3E50;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.25rem;
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: #5A738E;
            margin-bottom: 1.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #DCE1E8;
        }
        .meta-line i {
            margin-right: 0.4rem;
        }
        .info-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
            margin: 2rem 0;
            border-left: 6px solid #0057B3;
        }
        .info-card.warning {
            border-left-color: #E67E22;
            background: #FEF9F0;
        }
        .info-card.success {
            border-left-color: #27AE60;
            background: #F0FAF4;
        }
        .info-card h4 {
            margin-top: 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .stat-item {
            background: #fff;
            border-radius: 14px;
            padding: 1.2rem 1rem;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0057B3;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #5A738E;
            margin-top: 0.3rem;
        }
        .player-quote {
            background: #F0F4FA;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            position: relative;
            font-style: italic;
            border: 1px solid #DCE1E8;
        }
        .player-quote::before {
            content: '\201C';
            font-size: 4rem;
            color: #0057B3;
            position: absolute;
            top: -0.5rem;
            left: 1rem;
            opacity: 0.25;
        }
        .player-quote cite {
            display: block;
            margin-top: 0.8rem;
            font-weight: 600;
            color: #1A3A5C;
            font-style: normal;
        }
        .featured-img {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-img figcaption {
            background: #fff;
            padding: 0.8rem 1.2rem;
            font-size: 0.85rem;
            color: #5A738E;
            border-top: 1px solid #E8EDF3;
        }
        .sidebar {
            position: sticky;
            top: 2rem;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
            margin-bottom: 1.8rem;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #E8EDF3;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #F0F3F7;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card a i {
            color: #FFB347;
            font-size: 0.8rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0 2rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #DCE1E8;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .search-form input:focus {
            border-color: #0057B3;
            box-shadow: 0 0 0 4px rgba(0, 87, 179, 0.12);
        }
        .search-form button {
            padding: 0.8rem 1.8rem;
            background: #0057B3;
            color: #fff;
            border: none;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.15s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #003D7A;
            transform: translateY(-2px);
        }
        .interact-area {
            margin: 3rem 0;
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
        }
        .interact-area h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem 1.2rem;
            border: 2px solid #DCE1E8;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s ease;
            margin-bottom: 0.8rem;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #0057B3;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .form-row input {
            flex: 1;
            min-width: 140px;
        }
        .btn {
            padding: 0.8rem 2rem;
            background: #0057B3;
            color: #fff;
            border: none;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.15s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn:hover {
            background: #003D7A;
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: #0057B3;
            border: 2px solid #0057B3;
        }
        .btn-outline:hover {
            background: #0057B3;
            color: #fff;
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            margin: 0.8rem 0 1.2rem;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #DCE1E8;
            cursor: pointer;
            transition: color 0.2s ease, transform 0.15s ease;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #FFB347;
            transform: scale(1.05);
        }
        friend-link {
            display: block;
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0 1.5rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
        }
        friend-link h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.1rem;
            color: #1A3A5C;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.8rem;
            list-style: none;
            padding: 0.8rem 0 0;
            margin: 0;
        }
        friend-link li {
            margin: 0;
        }
        friend-link a {
            color: #0057B3;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #003D7A;
        }
        footer {
            background: #0B1C2F;
            color: #B0C7DE;
            padding: 2rem 0;
            border-radius: 20px 20px 0 0;
            margin-top: 2rem;
        }
        footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1.2rem;
        }
        footer .copy {
            font-size: 0.9rem;
        }
        footer .copy a {
            color: #FFD966;
        }
        footer .footer-links {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        footer .footer-links a {
            color: #B0C7DE;
            font-size: 0.9rem;
        }
        footer .footer-links a:hover {
            color: #FFD966;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .sidebar .sidebar-card {
                margin-bottom: 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .nav-list {
                display: none;
                flex-direction: column;
                background: rgba(11, 28, 47, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                padding: 1.2rem 1.5rem;
                border-radius: 0 0 20px 20px;
                gap: 0.6rem;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
            }
            .nav-list.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-inner {
                position: relative;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .interact-area {
                padding: 1.5rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .meta-line {
                font-size: 0.8rem;
                gap: 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 1rem;
            }
            .search-form button span {
                display: none;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 0 0.5rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .stat-item .num {
                font-size: 1.6rem;
            }
            .info-card {
                padding: 1.2rem 1.2rem;
            }
            .player-quote {
                padding: 1.2rem 1.2rem;
            }
            .form-row {
                flex-direction: column;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        .toc {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            margin: 2rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        .toc ol {
            margin: 0;
            padding-left: 1.5rem;
        }
        .toc li {
            margin-bottom: 0.3rem;
        }
        .toc a {
            color: #1E2A3A;
        }
        .toc a:hover {
            color: #0057B3;
        }
        .code-block {
            background: #1E2A3A;
            color: #E6EDF5;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        .code-block .comment {
            color: #7A98B6;
        }
        .tag {
            display: inline-block;
            background: #E8EDF3;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #1A3A5C;
        }
        .tag.blue {
            background: #D6E6F5;
            color: #0057B3;
        }
        .tag.green {
            background: #D4EDDA;
            color: #155724;
        }
        .tag.amber {
            background: #FFF3CD;
            color: #856404;
        }