* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f8f6f2;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0 16px;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 24px 28px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        header {
            border-bottom: 2px solid #f0eae0;
            padding-bottom: 16px;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #c0392b, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-block;
            padding: 4px 0;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #e67e22;
            margin-right: 8px;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: initial;
            color: #7f8c8d;
            display: block;
            letter-spacing: 0.3px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #2c3e50;
            padding: 4px 8px;
            transition: 0.2s;
        }
        .hamburger:hover {
            color: #c0392b;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
            list-style: none;
        }
        .nav-menu li a {
            text-decoration: none;
            font-weight: 500;
            color: #2c3e50;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            border-bottom-color: #e67e22;
            color: #c0392b;
        }
        .breadcrumb {
            width: 100%;
            margin-top: 12px;
            font-size: 0.85rem;
            color: #7f8c8d;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #e67e22;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #95a5a6;
        }
        .search-wrap {
            display: flex;
            gap: 6px;
            margin-left: auto;
            align-items: center;
        }
        .search-wrap input {
            border: 2px solid #e0d6c8;
            border-radius: 40px;
            padding: 8px 16px;
            font-size: 0.9rem;
            outline: none;
            transition: 0.2s;
            background: #fdfcfb;
            min-width: 160px;
        }
        .search-wrap input:focus {
            border-color: #e67e22;
        }
        .search-wrap button {
            background: #e67e22;
            border: none;
            border-radius: 40px;
            padding: 8px 16px;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.9rem;
        }
        .search-wrap button:hover {
            background: #c0392b;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 32px 0 16px;
            color: #1a1a2e;
        }
        h1 i {
            color: #e67e22;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f0eae0;
            color: #2c3e50;
        }
        h2 i {
            color: #c0392b;
            margin-right: 10px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: #34495e;
        }
        h3 i {
            color: #e67e22;
            margin-right: 8px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #4a6fa5;
        }
        p {
            margin-bottom: 16px;
            font-size: 1.02rem;
            color: #2d2d2d;
        }
        .last-updated {
            display: inline-block;
            background: #fdf8f0;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #7f8c8d;
            border: 1px solid #f0e6d8;
            margin-bottom: 20px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #e67e22;
        }
        .feature-img {
            width: 100%;
            border-radius: 20px;
            margin: 24px 0 8px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            display: block;
            max-width: 100%;
            height: auto;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #7f8c8d;
            text-align: center;
            margin-bottom: 24px;
            font-style: italic;
        }
        .highlight {
            background: #fef9e7;
            padding: 2px 8px;
            border-radius: 6px;
            font-weight: 600;
        }
        .quote-block {
            background: #f5f0ea;
            border-left: 5px solid #e67e22;
            padding: 20px 24px;
            border-radius: 0 16px 16px 0;
            margin: 24px 0;
            font-style: italic;
            font-size: 1.05rem;
        }
        .quote-block strong {
            color: #c0392b;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            margin: 24px 0;
        }
        .stat-card {
            background: #fdfcfa;
            border: 1px solid #ece4d8;
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
            transition: 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
        }
        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #c0392b;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: #4a4a4a;
            margin-top: 4px;
        }
        .stat-card i {
            font-size: 1.8rem;
            color: #e67e22;
            margin-bottom: 8px;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 40px 0 32px;
        }
        .interact-card {
            background: #faf8f5;
            border-radius: 20px;
            padding: 24px 28px;
            border: 1px solid #ece4d8;
        }
        .interact-card h3 {
            margin-top: 0;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            border: 2px solid #e0d6c8;
            border-radius: 12px;
            padding: 10px 14px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            background: #fff;
            font-family: inherit;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #e67e22;
        }
        .interact-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interact-card .btn-submit {
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 10px 20px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
            align-self: flex-start;
        }
        .interact-card .btn-submit:hover {
            background: #e67e22;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        .content a {
            color: #c0392b;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: 0.15s;
        }
        .content a:hover {
            color: #e67e22;
            text-decoration-thickness: 2px;
        }
        friend-link {
            display: block;
            background: #f5f0ea;
            border-radius: 20px;
            padding: 24px 28px;
            margin: 32px 0 16px;
        }
        friend-link h3 {
            margin-top: 0;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
        }
        friend-link ul li a {
            color: #2c3e50;
            text-decoration: none;
            font-weight: 500;
            transition: 0.15s;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
        }
        friend-link ul li a:hover {
            color: #c0392b;
            border-bottom-color: #e67e22;
        }
        footer {
            border-top: 2px solid #f0eae0;
            padding-top: 20px;
            margin-top: 32px;
            text-align: center;
            font-size: 0.9rem;
            color: #7f8c8d;
        }
        footer a {
            color: #2c3e50;
            text-decoration: none;
        }
        footer a:hover {
            color: #c0392b;
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .wrapper {
                padding: 16px 14px;
                margin-top: 12px;
                border-radius: 16px;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            header {
                flex-wrap: wrap;
            }
            .search-wrap {
                width: 100%;
                margin-top: 12px;
                justify-content: stretch;
            }
            .search-wrap input {
                flex: 1;
                min-width: 0;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .interact-card {
                padding: 16px;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .schema-hidden {
            display: none;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #fdfcfa;
            border-radius: 12px;
            overflow: hidden;
        }
        .table-wrap th {
            background: #2c3e50;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .table-wrap td {
            padding: 10px 16px;
            border-bottom: 1px solid #ece4d8;
        }
        .table-wrap tr:hover td {
            background: #f8f4ee;
        }
        .toc {
            background: #faf8f5;
            border: 1px solid #ece4d8;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 24px 0 32px;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            columns: 2;
            column-gap: 32px;
        }
        .toc ul li {
            margin-bottom: 6px;
            break-inside: avoid;
        }
        .toc ul li a {
            text-decoration: none;
            color: #2c3e50;
            border-bottom: 1px dotted #ccc;
            transition: 0.15s;
        }
        .toc ul li a:hover {
            color: #c0392b;
            border-bottom-color: #c0392b;
        }
        @media (max-width: 600px) {
            .toc ul {
                columns: 1;
            }
        }