*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --secondary: #e8b830;
            --accent: #d93f3f;
            --bg: #f6f8fa;
            --card-bg: #ffffff;
            --text: #1e1e2a;
            --text-light: #4a4a5a;
            --border: #d0d7de;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --max-width: 1180px;
            --font: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 16px;
        }
        header {
            background: var(--primary);
            color: #fff;
            padding: 12px 0;
            border-radius: 0 0 var(--radius) var(--radius);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--secondary);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #f5d742;
            text-decoration: none;
        }
        .my-logo i {
            margin-right: 8px;
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 6px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #f0f4ff;
            font-weight: 500;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: border-color var(--transition), color var(--transition);
            font-size: 0.95rem;
        }
        nav a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
            text-decoration: none;
        }
        nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e9ecf0;
            padding: 10px 20px;
            border-radius: var(--radius);
            margin: 20px 0 10px;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.04);
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb i {
            margin: 0 4px;
            color: #999;
            font-size: 0.75rem;
        }
        main {
            padding: 24px 0 50px;
        }
        article {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            margin-bottom: 32px;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 12px;
            border-left: 6px solid var(--secondary);
            padding-left: 20px;
        }
        h1 i {
            color: var(--secondary);
            margin-right: 12px;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 24px;
            background: #f0f3f7;
            padding: 6px 16px;
            border-radius: 30px;
            width: fit-content;
        }
        .last-updated i {
            color: var(--secondary);
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
        }
        h2 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 28px 0 12px;
            padding-left: 12px;
            border-left: 4px solid var(--secondary);
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2c3e50;
            margin: 20px 0 8px;
        }
        p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .highlight {
            background: #fdf6e3;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .feature-box {
            background: #f0f6fe;
            border-left: 6px solid var(--secondary);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .feature-box strong {
            color: var(--primary);
        }
        .article-image {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            background: #eef2f5;
            text-align: center;
        }
        .article-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .article-image figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: #f8fafc;
            border-top: 1px solid var(--border);
        }
        .search-section {
            background: var(--primary);
            color: #fff;
            padding: 28px 24px;
            border-radius: var(--radius);
            margin: 32px 0;
            box-shadow: var(--shadow);
        }
        .search-section h3 {
            color: var(--secondary);
            border-left-color: #fff;
            margin-top: 0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }
        .search-form input {
            flex: 1 1 220px;
            padding: 14px 18px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            background: #fff;
            color: #1e1e2a;
            outline: none;
            transition: box-shadow var(--transition);
        }
        .search-form input:focus {
            box-shadow: 0 0 0 4px rgba(232, 184, 48, 0.4);
        }
        .search-form button {
            padding: 14px 32px;
            background: var(--secondary);
            color: var(--primary);
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
        }
        .search-form button:hover {
            background: #f5c542;
            transform: translateY(-2px);
        }
        .search-form button i {
            margin-right: 8px;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .rating-box {
            background: #f8fafc;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 20px;
            box-shadow: var(--shadow);
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            border-left-color: var(--secondary);
        }
        .comment-box textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-family: var(--font);
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            transition: border-color var(--transition);
        }
        .comment-box textarea:focus {
            border-color: var(--primary-light);
            outline: none;
            box-shadow: 0 0 0 3px rgba(42, 90, 140, 0.15);
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            margin: 8px 0 12px;
        }
        .btn {
            padding: 12px 28px;
            background: var(--primary-light);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
        }
        .btn:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }
        .btn i {
            margin-right: 8px;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            margin: 10px 0 16px;
            transition: color var(--transition);
        }
        .rating-stars i {
            transition: color var(--transition), transform var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--secondary);
            transform: scale(1.15);
        }
        .rating-stars i.fas {
            color: var(--secondary);
        }
        friend-link {
            display: block;
            background: #f0f4fa;
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 32px 0 16px;
            border: 1px solid var(--border);
        }
        friend-link::before {
            content: "🔗 Friends & Resources";
            display: block;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: #fff;
            border-radius: 30px;
            border: 1px solid var(--border);
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        friend-link a:hover {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
            text-decoration: none;
        }
        footer {
            background: var(--primary);
            color: #dce3ed;
            border-radius: var(--radius) var(--radius) 0 0;
            padding: 28px 16px 20px;
            margin-top: 20px;
            text-align: center;
        }
        footer a {
            color: var(--secondary);
        }
        footer a:hover {
            color: #fff;
        }
        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            margin-top: 16px;
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            header .container {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.06);
                padding: 12px 16px;
                border-radius: 12px;
                margin-top: 8px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            h1 {
                font-size: 1.6rem;
                padding-left: 14px;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            article {
                padding: 20px 14px;
            }
            .search-section {
                padding: 20px 16px;
            }
            .search-form input {
                padding: 12px 14px;
            }
            .search-form button {
                padding: 12px 20px;
                width: 100%;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.3rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .feedback-grid {
                gap: 16px;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .mt-2 {
            margin-top: 12px;
        }
        .mb-2 {
            margin-bottom: 12px;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .gap-2 {
            gap: 12px;
        }
        .text-secondary {
            color: var(--secondary);
        }
        .fw-700 {
            font-weight: 700;
        }
        .rounded-full {
            border-radius: 50px;
        }