*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a2a3a;
            --secondary: #c7a84c;
            --accent: #d4af37;
            --bg: #f5f2eb;
            --bg-card: #ffffff;
            --text: #2c2c2c;
            --text-light: #6b6b6b;
            --border: #ddd8ce;
            --radius: 12px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-w: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background: var(--primary);
            color: #fff;
            padding: 1rem 0;
            border-bottom: 4px solid var(--secondary);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .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: 1px;
            color: var(--secondary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            font-size: 2rem;
            color: var(--accent);
        }
        .my-logo:hover {
            color: #f0d68a;
        }
        .my-logo span {
            font-weight: 300;
            color: #fff;
            font-size: 0.9rem;
            display: block;
            line-height: 1.2;
        }
        .my-logo small {
            font-size: 0.6rem;
            font-weight: 400;
            color: #aaa;
            display: block;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--secondary);
            color: var(--secondary);
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: var(--secondary);
            color: var(--primary);
        }
        nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #eee;
            text-decoration: none;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
            white-space: nowrap;
        }
        nav a:hover,
        nav a.active {
            background: var(--secondary);
            color: var(--primary);
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #999;
        }
        main {
            padding: 2rem 0 3rem;
        }
        article {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem 2.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: 0.5rem;
            border-left: 6px solid var(--secondary);
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 2px solid var(--border);
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1e2d3d;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2a3f52;
            margin: 1.2rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #333;
        }
        .meta {
            color: var(--text-light);
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.5rem;
            align-items: center;
        }
        .meta i {
            margin-right: 0.3rem;
        }
        .last-updated {
            background: var(--primary);
            color: #fff;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            display: inline-block;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
        }
        .inline-links {
            display: inline;
            font-weight: 600;
            color: var(--primary);
        }
        .interactive-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem 2.5rem;
            margin-bottom: 2rem;
        }
        .interactive-section h2 {
            border-bottom: none;
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            font-family: var(--font);
            transition: 0.2s;
            background: #fafaf8;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--secondary);
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: var(--secondary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(199, 168, 76, 0.3);
        }
        .btn i {
            font-size: 1rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            margin: 0.5rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ccc;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--secondary);
        }
        footer {
            background: var(--primary);
            color: #ddd;
            padding: 2.5rem 0 1.5rem;
            border-top: 4px solid var(--secondary);
            margin-top: 2rem;
        }
        footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        footer .footer-col {
            flex: 1 1 220px;
        }
        footer h4 {
            color: var(--secondary);
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
            border-bottom: 1px solid #3a4a5a;
            padding-bottom: 0.4rem;
        }
        footer a {
            color: #bbb;
            text-decoration: none;
            display: block;
            padding: 0.2rem 0;
            font-size: 0.9rem;
        }
        footer a:hover {
            color: var(--secondary);
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.2rem;
            margin-top: 0.5rem;
        }
        .friend-link a {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid #3a4a5a;
        }
        .friend-link a:hover {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
        }
        .copyright {
            width: 100%;
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #3a4a5a;
            font-size: 0.85rem;
            color: #999;
        }
        .copyright strong {
            color: var(--secondary);
        }
        @media (max-width: 900px) {
            article {
                padding: 1.5rem;
            }
            .interactive-section {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
                padding-left: 1rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--primary);
                padding: 0.5rem 0 1rem;
                border-top: 1px solid #3a4a5a;
                margin-top: 0.5rem;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                width: 100%;
                text-align: center;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.2rem;
            }
            .interactive-section {
                padding: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .meta {
                font-size: 0.8rem;
                gap: 0.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 0 0.5rem;
            }
            article {
                padding: 1rem;
                border-radius: 8px;
            }
            .interactive-section {
                padding: 1rem;
                border-radius: 8px;
            }
            h1 {
                font-size: 1.5rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            p {
                font-size: 0.95rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .author-bio {
            background: #f0ede7;
            border-radius: var(--radius);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            align-items: center;
        }
        .author-bio .avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 2.5rem;
            flex-shrink: 0;
        }
        .author-bio .info {
            flex: 1;
        }
        .author-bio .info h4 {
            margin: 0 0 0.2rem;
        }
        .author-bio .info p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: var(--primary);
            color: var(--secondary);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            text-decoration: none;
            box-shadow: var(--shadow);
            transition: 0.2s;
            opacity: 0.8;
            z-index: 99;
            border: 2px solid var(--secondary);
        }
        .scroll-top:hover {
            opacity: 1;
            transform: translateY(-4px);
            background: var(--secondary);
            color: var(--primary);
        }
        @media (max-width: 600px) {
            .scroll-top {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                bottom: 1.2rem;
                right: 1.2rem;
            }
        }
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .info-table th,
        .info-table td {
            padding: 0.7rem 1rem;
            border: 1px solid var(--border);
            text-align: left;
        }
        .info-table th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .info-table tr:nth-child(even) {
            background: #f8f6f2;
        }
        @media (max-width: 600px) {
            .info-table {
                font-size: 0.8rem;
            }
            .info-table th,
            .info-table td {
                padding: 0.4rem 0.6rem;
            }
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            background: #f8f6f2;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #444;
        }
        blockquote cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            color: var(--primary);
        }
        .highlight-box {
            background: #eef4f0;
            border-left: 4px solid var(--secondary);
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: var(--primary);
        }