* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1e3a5f;
            --primary-light: #2a5298;
            --secondary: #f5c542;
            --accent: #d4a843;
            --bg: #faf8f2;
            --card-bg: #ffffff;
            --text: #1e1e2a;
            --text-light: #4a4a5a;
            --border: #e0dcd0;
            --gold: #c9a84c;
            --green-bright: #2ecc71;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
            --radius: 16px;
            --radius-sm: 8px;
            --transition: 0.25s ease;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            padding: 0 0 0 0;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
        }
        .my-logo:hover {
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--secondary);
            color: var(--secondary);
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--secondary);
            color: var(--primary);
        }
        nav {
            display: flex;
            gap: 8px 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #f0ede8;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 14px;
            border-radius: 30px;
            transition: var(--transition);
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--secondary);
            text-decoration: none;
        }
        nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #f0ece4;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            color: var(--text-light);
        }
        .breadcrumb-list li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--gold);
            font-weight: 700;
        }
        .breadcrumb-list a {
            color: var(--primary-light);
            font-weight: 500;
        }
        .breadcrumb-list a:hover {
            color: var(--gold);
        }
        .hero {
            background: linear-gradient(145deg, #1a2f4a 0%, #152238 100%);
            color: #fff;
            padding: 48px 0 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "♚ ♛ ♜ ♝ ♞ ♟";
            position: absolute;
            bottom: -10px;
            right: -10px;
            font-size: 8rem;
            opacity: 0.06;
            letter-spacing: 20px;
            pointer-events: none;
            line-height: 1;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .hero h1 i {
            color: var(--gold);
            margin-right: 12px;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 720px;
            margin: 0 auto 20px;
            color: #d9d4cc;
            line-height: 1.6;
        }
        .hero .badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            padding: 6px 24px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
        }
        .hero-meta {
            margin-top: 20px;
            font-size: 0.9rem;
            color: #b0aba0;
        }
        .hero-meta i {
            margin-right: 6px;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 48px 0 18px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
            position: relative;
        }
        .article-body h2 i {
            color: var(--gold);
            margin-right: 12px;
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: var(--primary-light);
            margin: 32px 0 14px;
            font-weight: 700;
        }
        .article-body h3 i {
            margin-right: 10px;
            color: var(--gold);
        }
        .article-body h4 {
            font-size: 1.2rem;
            color: #2c3e50;
            margin: 24px 0 10px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
            color: var(--text-light);
            font-size: 1.05rem;
        }
        .article-body p strong {
            color: var(--text);
            font-weight: 700;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
            color: var(--text-light);
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: #f0f4fa;
            border-left: 6px solid var(--secondary);
            padding: 20px 28px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
        }
        .article-body .highlight-box i {
            color: var(--gold);
            margin-right: 10px;
        }
        .article-body .stat-block {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 28px 0;
        }
        .article-body .stat-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .article-body .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
        }
        .article-body .stat-item .label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .featured-image {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #e8e4dc;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            background: #fff;
            font-size: 0.9rem;
            color: var(--text-light);
            font-style: italic;
            border-top: 1px solid var(--border);
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 14px;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }
        .sidebar-card li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
            text-decoration: none;
        }
        .sidebar-card li a i {
            width: 22px;
            color: var(--gold);
            font-size: 0.9rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 6px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
            background: #f9f7f2;
        }
        .search-form input:focus {
            border-color: var(--gold);
            background: #fff;
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .feedback-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid var(--border);
        }
        .feedback-section h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card h3 i {
            color: var(--gold);
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card textarea,
        .feedback-card input,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: var(--font);
            background: #f9f7f2;
            transition: var(--transition);
            outline: none;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus,
        .feedback-card select:focus {
            border-color: var(--gold);
            background: #fff;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 20px;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .feedback-card .btn-submit:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--gold);
        }
        footer {
            background: var(--primary);
            color: #d9d4cc;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        @media (max-width: 700px) {
            footer .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 16px;
        }
        footer a {
            color: #c8c2b8;
        }
        footer a:hover {
            color: var(--secondary);
        }
        footer .friend-links {
            list-style: none;
            padding: 0;
        }
        footer .friend-links li {
            margin-bottom: 8px;
        }
        footer .friend-links li a {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        footer .friend-links li a i {
            color: var(--gold);
            font-size: 0.8rem;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #a8a298;
        }
        .copyright strong {
            color: var(--secondary);
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 6px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                width: 100%;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.25rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 14px;
            }
        }
        .schema-hidden {
            display: none;
        }
        .mt-2 {
            margin-top: 12px;
        }
        .mb-2 {
            margin-bottom: 12px;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .inline-icon {
            margin-right: 6px;
            color: var(--gold);
        }