*,
        *::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: #f8f9fa;
            color: #1a1a2e;
            line-height: 1.75;
            padding: 0 16px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #e74c3c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 24px;
            padding: 20px 24px 32px;
        }
        @media (min-width: 768px) {
            body {
                padding: 24px 32px;
            }
            .container {
                padding: 32px 48px 48px;
            }
        }
        .my-logo {
            display: inline-block;
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #e23636 0%, #b71c1c 50%, #1a1a2e 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(226, 54, 54, 0.15);
            transition: transform 0.25s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo i {
            -webkit-text-fill-color: #e23636;
            margin-right: 6px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 8px 0 16px;
            border-bottom: 2px solid #eee;
        }
        .logo-wrap a {
            text-decoration: none;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .nav-links {
            display: none;
            flex-direction: column;
            width: 100%;
            background: #fff;
            border-radius: 16px;
            padding: 12px 0;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            list-style: none;
            gap: 4px;
        }
        .nav-links.active {
            display: flex;
        }
        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            color: #1a1a2e;
            transition: background 0.2s, color 0.2s;
        }
        .nav-links li a:hover {
            background: #fce4e4;
            color: #c0392b;
            text-decoration: none;
        }
        .hamburger {
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1a1a2e;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0f0f0;
        }
        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }
            .nav-links {
                display: flex !important;
                flex-direction: row;
                width: auto;
                box-shadow: none;
                padding: 0;
                gap: 4px;
                background: transparent;
            }
            .nav-links li a {
                padding: 6px 14px;
            }
            .nav-bar {
                gap: 8px;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 10px;
            font-size: 0.85rem;
            color: #666;
            padding: 12px 0 4px;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #bbb;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #c0392b;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 900;
            line-height: 1.2;
            margin: 24px 0 12px;
            color: #1a1a2e;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e23636;
            color: #1a1a2e;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #2c2c3e;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: #3a3a4e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .lead {
            font-size: 1.15rem;
            font-weight: 400;
            color: #2c2c3e;
            background: #fef6f6;
            padding: 16px 20px;
            border-radius: 16px;
            border-left: 4px solid #e23636;
        }
        .featured-img {
            margin: 28px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-img img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-img figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #666;
            background: #fafafa;
            border-top: 1px solid #eee;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0 32px;
            font-size: 0.92rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #1a1a2e;
            color: #fff;
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #f0f0f0;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #fcf4f4;
        }
        @media (max-width: 600px) {
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
        }
        .form-section {
            background: #fafbfc;
            border-radius: 20px;
            padding: 24px 20px;
            margin: 40px 0 24px;
            border: 1px solid #eaeef2;
        }
        .form-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 4px;
            color: #2c2c3e;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #d0d5dd;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #e23636;
            outline: none;
            box-shadow: 0 0 0 3px rgba(226, 54, 54, 0.12);
        }
        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #e23636;
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn:hover {
            background: #b71c1c;
            transform: translateY(-1px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #f1c40f;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.15s, color 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            transform: scale(1.15);
            color: #f39c12;
        }
        footer {
            margin-top: 56px;
            padding-top: 32px;
            border-top: 2px solid #eee;
        }
        friend-link {
            display: block;
            background: #f5f5f7;
            border-radius: 16px;
            padding: 20px 24px;
            margin-bottom: 24px;
            font-style: normal;
        }
        friend-link::before {
            content: "🌐 Friends & Resources";
            display: block;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: #1a1a2e;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: #888;
            padding: 16px 0 8px;
            border-top: 1px solid #f0f0f0;
            margin-top: 16px;
        }
        .copyright strong {
            color: #555;
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .container {
                padding: 12px 14px 24px;
            }
            .form-section {
                padding: 16px 14px;
            }
            .data-table {
                font-size: 0.72rem;
            }
            .data-table th,
            .data-table td {
                padding: 6px 8px;
            }
        }
        @media (min-width: 768px) and (max-width: 1024px) {
            .container {
                padding: 24px 32px 40px;
            }
        }
        .highlight {
            background: #fef0e6;
            padding: 0 4px;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #e23636;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
            margin-right: 4px;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin: 24px 0;
        }
        @media (min-width: 700px) {
            .two-col {
                grid-template-columns: 1fr 1fr;
            }
        }
        .card {
            background: #fafbfc;
            border-radius: 16px;
            padding: 20px;
            border: 1px solid #eef0f2;
            transition: box-shadow 0.25s;
        }
        .card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
        }
        .schema-hidden {
            display: none;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: #999;
            margin-bottom: 8px;
        }
        .last-updated i {
            color: #e23636;
        }