*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f5f0e8;
            color: #2d2d2d;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #7a5c00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #1c1c3a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #d4a843;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #d4a843;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        :root {
            --primary-dark: #1c1c3a;
            --primary-mid: #2a2a5a;
            --gold: #d4a843;
            --gold-light: #f0d68a;
            --parchment: #f5f0e8;
            --parchment-light: #fefcf7;
            --accent-burgundy: #6b2d3c;
            --text-dark: #2d2d2d;
            --text-light: #f0ede6;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.15);
            --radius: 16px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0f0f2a 100%);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            border-bottom: 3px solid var(--gold);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f0d68a, #d4a843, #b8860b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(212, 168, 67, 0.3);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: var(--gold);
            font-size: 1.6rem;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: inherit;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text-light);
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: rgba(212, 168, 67, 0.2);
            color: var(--gold-light);
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.35rem;
            font-size: 0.85rem;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: 2px solid var(--gold);
            color: var(--gold);
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .menu-toggle:hover {
            background: rgba(212, 168, 67, 0.15);
        }
        .breadcrumb {
            background: var(--parchment);
            padding: 0.7rem 1.5rem;
            border-radius: 0 0 var(--radius) var(--radius);
            font-size: 0.88rem;
            color: #666;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
            box-shadow: var(--shadow-sm);
            margin-bottom: 1.5rem;
        }
        .breadcrumb i {
            color: var(--gold);
            font-size: 0.7rem;
        }
        .breadcrumb a {
            color: var(--primary-mid);
        }
        .breadcrumb span.current {
            color: #888;
            font-weight: 500;
        }
        .main-content {
            flex: 1;
            padding: 1rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }
        .article-body {
            background: var(--parchment-light);
            padding: 2rem 2.2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        .article-body .featured-image {
            margin: 1.8rem 0 2.2rem;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .article-body .featured-image img {
            width: 100%;
            border-radius: 14px;
            transition: transform 0.4s ease;
        }
        .article-body .featured-image img:hover {
            transform: scale(1.01);
        }
        .article-body .featured-image figcaption {
            font-size: 0.85rem;
            color: #777;
            text-align: center;
            padding: 0.6rem 0 0;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: var(--parchment-light);
            border-radius: var(--radius);
            padding: 1.5rem 1.3rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(212, 168, 67, 0.2);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid var(--gold);
            padding-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        .sidebar-card ul li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed #e0d6c8;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }
        .sidebar-card ul li a i {
            color: var(--gold);
            font-size: 0.8rem;
            width: 1.2rem;
        }
        .search-box {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid var(--gold);
            background: white;
            transition: box-shadow 0.3s;
        }
        .search-box:focus-within {
            box-shadow: 0 0 0 4px rgba(212, 168, 67, 0.25);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.7rem 1.2rem;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
            min-width: 0;
        }
        .search-box button {
            background: var(--gold);
            border: none;
            padding: 0.7rem 1.4rem;
            cursor: pointer;
            font-size: 1rem;
            color: var(--primary-dark);
            transition: background 0.25s;
        }
        .search-box button:hover {
            background: #c49a3a;
        }
        .feedback-section {
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 3px solid var(--gold);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .feedback-card {
            background: var(--parchment);
            padding: 1.5rem 1.8rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card label {
            font-weight: 600;
            font-size: 0.92rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.25s;
            background: white;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--gold);
            outline: none;
            box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.15);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: var(--primary-dark);
            color: var(--gold-light);
            padding: 0.7rem 1.5rem;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: var(--primary-mid);
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f0b400;
        }
        .site-footer {
            background: var(--primary-dark);
            color: var(--text-light);
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 4px solid var(--gold);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: var(--gold-light);
            margin-top: 0;
            font-size: 1.1rem;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem 1.5rem;
            border-radius: 12px;
            border: 1px solid rgba(212, 168, 67, 0.3);
        }
        friend-link a {
            color: var(--gold-light);
            font-weight: 500;
            display: inline-block;
            padding: 0.2rem 0.6rem;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: #aaa;
        }
        .copyright i {
            color: var(--gold);
        }
        @media (max-width: 960px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .feedback-section {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 700px) {
            .menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(15, 15, 42, 0.98);
                padding: 1rem 0.5rem;
                border-radius: 12px;
                margin-top: 0.5rem;
                border: 1px solid var(--gold);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.78rem;
                padding: 0.5rem 1rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .feedback-card {
                padding: 1rem;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
        }
        .highlight {
            background: linear-gradient(120deg, rgba(212, 168, 67, 0.18) 0%, rgba(212, 168, 67, 0.05) 100%);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: var(--gold);
            color: var(--primary-dark);
            padding: 0.2rem 0.9rem;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #888;
            margin-bottom: 0.8rem;
            padding: 0.3rem 0;
        }
        .last-updated i {
            color: var(--gold);
        }
        .table-of-contents {
            background: var(--parchment);
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.5rem 0;
            border-left: 4px solid var(--gold);
        }
        .table-of-contents ol {
            padding-left: 1.2rem;
            margin: 0.4rem 0;
        }
        .table-of-contents ol li {
            margin: 0.3rem 0;
        }
        .table-of-contents ol li a {
            font-weight: 500;
        }
        .deep-dive {
            background: rgba(212, 168, 67, 0.04);
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin: 1.2rem 0;
            border: 1px dashed rgba(212, 168, 67, 0.3);
        }
        .deep-dive i {
            color: var(--gold);
            margin-right: 0.5rem;
        }
        .quote-block {
            font-style: italic;
            background: var(--parchment);
            padding: 1rem 1.8rem;
            border-radius: 12px;
            border-left: 5px solid var(--gold);
            margin: 1.5rem 0;
            color: #444;
            box-shadow: var(--shadow-sm);
        }
        .quote-block cite {
            display: block;
            margin-top: 0.5rem;
            font-weight: 600;
            color: var(--primary-mid);
        }