*,
        *::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, sans-serif;
            background: #faf9f6;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #7a2e0e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 24px 24px 0 0;
            overflow: hidden;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1e293b;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1e293b;
            border-left: 6px solid #b45309;
            padding-left: 1rem;
            margin: 2.8rem 0 1.2rem 0;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2d3a45;
            margin: 2rem 0 0.8rem 0;
            line-height: 1.3;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3f4a54;
            margin: 1.5rem 0 0.5rem 0;
            line-height: 1.4;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d3a45;
        }
        strong {
            color: #1e293b;
            font-weight: 700;
        }
        .lead {
            font-size: 1.25rem;
            color: #3f4a54;
            font-weight: 400;
            border-left: 4px solid #d97706;
            padding-left: 1.4rem;
            margin-bottom: 2rem;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 2rem;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #f1f5f9;
            border-radius: 24px 24px 0 0;
            position: relative;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: #fbbf24;
            text-decoration: none;
            font-family: 'Georgia', 'Times New Roman', serif;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #fde68a;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            color: #94a3b8;
            display: block;
            letter-spacing: 0.02em;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f1f5f9;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.6rem;
            align-items: center;
            list-style: none;
        }
        .nav-menu li a {
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
            text-decoration: none;
        }
        .breadcrumb {
            padding: 1rem 2rem 0.5rem 2rem;
            font-size: 0.9rem;
            color: #64748b;
            background: #f8fafc;
            border-bottom: 1px solid #e9edf2;
        }
        .breadcrumb a {
            color: #b45309;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 0.3rem;
            color: #94a3b8;
        }
        .main-content {
            padding: 2rem 2rem 3rem 2rem;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            font-size: 0.9rem;
            color: #64748b;
            margin-bottom: 2rem;
            padding-bottom: 1.2rem;
            border-bottom: 1px solid #e9edf2;
        }
        .meta-info i {
            margin-right: 0.4rem;
            color: #b45309;
        }
        .last-updated {
            font-weight: 500;
            color: #1e293b;
        }
        .featured-image {
            border-radius: 16px;
            overflow: hidden;
            margin: 2rem 0 2.5rem 0;
            background: #f1f5f9;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #64748b;
            background: #f8fafc;
            font-style: italic;
        }
        .resource-links {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-left: 4px solid #b45309;
        }
        .resource-links h4 {
            margin-top: 0;
        }
        .resource-links ul {
            columns: 2 240px;
            list-style: none;
            padding: 0;
        }
        .resource-links li {
            padding: 0.3rem 0;
        }
        .resource-links li::before {
            content: "🔗 ";
            font-size: 0.8rem;
        }
        .resource-links a {
            font-weight: 500;
        }
        .search-section {
            background: #f8fafc;
            border-radius: 16px;
            padding: 2rem 2rem 2.2rem 2rem;
            margin: 2.8rem 0;
            border: 1px solid #e9edf2;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 0.8rem 1.2rem;
            border: 1px solid #d1d9e6;
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
            background: #ffffff;
        }
        .search-form input[type="text"]:focus {
            border-color: #b45309;
            box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.12);
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #b45309;
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #92400e;
            transform: translateY(-1px);
        }
        .search-form button:active {
            transform: translateY(0);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.8rem 0;
        }
        .comment-section,
        .rating-section {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.8rem 2rem 2rem 2rem;
            border: 1px solid #e9edf2;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .comment-section textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #d1d9e6;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
            background: #ffffff;
        }
        .comment-section textarea:focus {
            border-color: #b45309;
            box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.12);
        }
        .comment-section .form-group,
        .rating-section .form-group {
            margin-bottom: 1rem;
        }
        .comment-section input[type="text"],
        .rating-section input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #d1d9e6;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
            background: #ffffff;
        }
        .comment-section input[type="text"]:focus,
        .rating-section input[type="text"]:focus {
            border-color: #b45309;
            box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.12);
        }
        .btn-submit {
            padding: 0.7rem 2rem;
            background: #1e293b;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-submit:hover {
            background: #0f172a;
            transform: translateY(-1px);
        }
        .btn-submit:active {
            transform: translateY(0);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            margin: 0.5rem 0 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #d1d9e6;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 2rem 2rem 2rem;
            border-radius: 0 0 24px 24px;
            margin-top: 1rem;
        }
        .site-footer a {
            color: #fbbf24;
        }
        .site-footer a:hover {
            color: #fde68a;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin: 1.2rem 0 1.8rem 0;
            padding: 1rem 1.5rem;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1.2rem 0.2rem 0;
            font-weight: 500;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            font-size: 0.85rem;
            color: #94a3b8;
            text-align: center;
        }
        .copyright strong {
            color: #e2e8f0;
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 820px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .site-header {
                padding: 1rem 1.2rem;
            }
            .main-content {
                padding: 1.5rem 1.2rem 2rem 1.2rem;
            }
            .breadcrumb {
                padding: 0.8rem 1.2rem 0.4rem 1.2rem;
                font-size: 0.8rem;
            }
            .search-section,
            .comment-section,
            .rating-section {
                padding: 1.2rem 1.2rem 1.5rem 1.2rem;
            }
            .resource-links {
                padding: 1.2rem 1.2rem;
            }
            .resource-links ul {
                columns: 1;
            }
            .site-footer {
                padding: 1.8rem 1.2rem 1.5rem 1.2rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .my-logo small {
                font-size: 0.7rem;
            }
        }
        @media (max-width: 640px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem 0;
                gap: 0.2rem;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 0.8rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 0.5rem 0.8rem;
                border-radius: 8px;
            }
            .nav-menu li a:hover {
                background: rgba(255, 255, 255, 0.06);
                border-bottom-color: transparent;
            }
            h1 {
                font-size: 1.7rem;
            }
            .lead {
                font-size: 1.05rem;
                padding-left: 1rem;
            }
            .search-form input[type="text"] {
                flex: 1 1 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 0.4rem;
            }
            .site-header {
                padding: 0.8rem 1rem;
            }
            .main-content {
                padding: 1rem 1rem 1.5rem 1rem;
            }
            .breadcrumb {
                padding: 0.6rem 1rem 0.3rem 1rem;
            }
            .site-footer {
                padding: 1.2rem 1rem 1rem 1rem;
            }
            friend-link a {
                display: block;
                margin: 0.3rem 0;
            }
        }
        @media print {
            .search-section,
            .comment-section,
            .rating-section,
            .nav-toggle,
            .site-header {
                background: #fff !important;
                color: #000 !important;
            }
            .site-header {
                border-bottom: 2px solid #000;
            }
            .my-logo {
                color: #000 !important;
            }
            .my-logo small {
                color: #555 !important;
            }
            .nav-menu {
                display: flex !important;
            }
            body {
                padding: 0;
                background: #fff;
            }
            .container {
                box-shadow: none;
                border-radius: 0;
            }
            .site-footer {
                background: #f5f5f5 !important;
                color: #000 !important;
                border-top: 2px solid #000;
                border-radius: 0;
            }
            .site-footer a {
                color: #000 !important;
            }
            .breadcrumb {
                border-bottom: 1px solid #ccc;
            }
            .featured-image {
                border: 1px solid #ddd;
            }
        }