*,
        *::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: #f4f7fc;
            color: #1a2634;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1e4a76;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #e8a838;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0f1a2e, #1b2a44);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            border-bottom: 3px solid #e8a838;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #e8a838, #f5c542);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(232, 168, 56, 0.25);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            -webkit-text-fill-color: #b0c7e0;
            color: #b0c7e0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #cfdef5;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(232, 168, 56, 0.18);
            color: #e8a838;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #e8a838;
            color: #0f1a2e;
        }
        .breadcrumb {
            background: #eef3f9;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce4ed;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #8a9bb0;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #1e4a76;
        }
        .breadcrumb .current {
            color: #4a5f78;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f1a2e 0%, #1f3450 100%);
            color: #fff;
            padding: 50px 0 40px;
            margin-bottom: 40px;
            border-bottom: 4px solid #e8a838;
            position: relative;
        }
        .hero::after {
            content: "♟♟♟";
            font-size: 2.8rem;
            position: absolute;
            bottom: 12px;
            right: 30px;
            opacity: 0.10;
            letter-spacing: 12px;
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #fff, #e8a838);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 780px;
            color: #c8d8ed;
            margin-bottom: 8px;
        }
        .hero .meta {
            font-size: 0.9rem;
            color: #a0b8d4;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 14px;
        }
        .hero .meta i {
            margin-right: 6px;
            color: #e8a838;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 110px;
            align-self: start;
        }
        .sidebar-box {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 24px;
            border: 1px solid #e8edf4;
        }
        .sidebar-box h4 {
            font-size: 1.1rem;
            margin-bottom: 14px;
            color: #0f1a2e;
            border-left: 4px solid #e8a838;
            padding-left: 12px;
        }
        .sidebar-box ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-box ul li {
            margin-bottom: 10px;
        }
        .sidebar-box ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            color: #1e4a76;
            font-weight: 500;
            border-bottom: 1px solid #f0f4fa;
            transition: all 0.2s ease;
        }
        .sidebar-box ul li a:hover {
            color: #e8a838;
            padding-left: 6px;
            text-decoration: none;
        }
        .sidebar-box ul li a i {
            color: #e8a838;
            font-size: 0.8rem;
            width: 18px;
            text-align: center;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 40px 0 16px 0;
            color: #0f1a2e;
            border-bottom: 3px solid #e8a838;
            padding-bottom: 8px;
            line-height: 1.3;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 30px 0 12px 0;
            color: #1b2a44;
            line-height: 1.3;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 10px 0;
            color: #2a3f5a;
            line-height: 1.4;
        }
        p {
            margin-bottom: 18px;
            color: #2c3e50;
        }
        .lead {
            font-size: 1.15rem;
            color: #1a2e44;
            font-weight: 400;
            border-left: 4px solid #e8a838;
            padding-left: 20px;
            background: #f8faff;
            border-radius: 0 8px 8px 0;
            padding: 16px 20px;
        }
        .highlight-box {
            background: #f0f6ff;
            border-radius: 14px;
            padding: 24px 28px;
            margin: 24px 0;
            border-left: 6px solid #e8a838;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        .highlight-box strong {
            color: #0f1a2e;
        }
        .emoji-big {
            font-size: 1.8rem;
            display: inline-block;
            margin-right: 6px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 14px;
            padding: 20px 16px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf4;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .stat-card .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #e8a838;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #4a5f78;
            font-weight: 500;
            margin-top: 4px;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
        }
        .featured-image figcaption {
            background: #f0f4fa;
            padding: 12px 18px;
            font-size: 0.85rem;
            color: #4a5f78;
            font-style: italic;
        }
        .search-form {
            display: flex;
            gap: 10px;
            margin: 20px 0 30px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #dce4ed;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            outline: none;
        }
        .search-form input[type="text"]:focus {
            border-color: #e8a838;
            box-shadow: 0 0 0 4px rgba(232, 168, 56, 0.12);
        }
        .search-form button {
            padding: 14px 32px;
            background: #e8a838;
            color: #0f1a2e;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #d99a2a;
            transform: scale(1.02);
        }
        .rating-area {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin: 30px 0;
            border: 1px solid #e8edf4;
        }
        .rating-area h3 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d0d8e4;
            cursor: pointer;
            transition: color 0.15s ease, transform 0.1s ease;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #e8a838;
            transform: scale(1.05);
        }
        .rating-area textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #dce4ed;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border-color 0.3s ease;
            outline: none;
            margin: 8px 0 12px;
        }
        .rating-area textarea:focus {
            border-color: #e8a838;
        }
        .rating-area .btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn {
            padding: 12px 28px;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary {
            background: #e8a838;
            color: #0f1a2e;
        }
        .btn-primary:hover {
            background: #d99a2a;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #eef3f9;
            color: #1a2e44;
        }
        .btn-secondary:hover {
            background: #dce4ed;
        }
        .comment-list {
            margin: 20px 0;
        }
        .comment-item {
            background: #f8faff;
            border-radius: 12px;
            padding: 18px 20px;
            margin-bottom: 12px;
            border-left: 4px solid #e8a838;
        }
        .comment-item .author {
            font-weight: 700;
            color: #0f1a2e;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #7a8fa5;
            margin-left: 12px;
        }
        .comment-item .text {
            margin-top: 6px;
            color: #2c3e50;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .data-table thead {
            background: #0f1a2e;
            color: #fff;
        }
        .data-table th {
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 12px 18px;
            border-bottom: 1px solid #eef3f9;
        }
        .data-table tbody tr:hover {
            background: #f8faff;
        }
        .site-footer {
            background: #0f1a2e;
            color: #b0c7e0;
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 4px solid #e8a838;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .footer-inner h4 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 1.1rem;
            border-left: 3px solid #e8a838;
            padding-left: 12px;
        }
        .footer-inner a {
            color: #b0c7e0;
        }
        .footer-inner a:hover {
            color: #e8a838;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid #1f3450;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 2px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid #1f3450;
            font-size: 0.85rem;
            color: #7a8fa5;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .main-content {
                order: 1;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.04);
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .hero .meta {
                flex-direction: column;
                gap: 6px;
            }
        }
        .text-muted {
            color: #6a7f95;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }