*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #fafaf8;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #7b3a00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 20px 28px 32px;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #f0e6d8;
            position: relative;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #b45309, #d97706);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            font-family: 'Georgia', 'Times New Roman', serif;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #6b7280;
            color: #6b7280;
            letter-spacing: 0;
            margin-left: 6px;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: inherit;
            color: inherit;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #b45309;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #fef3e7;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            list-style: none;
            align-items: center;
        }
        .nav-menu li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 20px;
            transition: background 0.2s, color 0.2s;
            color: #2d3a40;
        }
        .nav-menu li a:hover {
            background: #fef3e7;
            color: #b45309;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 14px;
            padding: 10px 0 6px;
            font-size: 0.85rem;
            color: #6b7280;
            width: 100%;
            margin-top: 4px;
            border-top: 1px solid #f0e6d8;
        }
        .breadcrumb a {
            color: #b45309;
        }
        .breadcrumb span {
            color: #9ca3af;
        }
        main {
            padding: 24px 0 16px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: #1e2a2f;
            line-height: 1.2;
            margin-bottom: 0.5rem;
            letter-spacing: -0.5px;
        }
        h1 .highlight {
            color: #b45309;
        }
        h2 {
            font-size: 2.0rem;
            font-weight: 700;
            color: #2d3a40;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            padding-bottom: 6px;
            border-bottom: 3px solid #f0e6d8;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #374151;
            margin-top: 2.0rem;
            margin-bottom: 0.75rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #4b5563;
            margin-top: 1.4rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #374151;
        }
        .lead {
            font-size: 1.25rem;
            color: #1f2937;
            font-weight: 400;
            border-left: 4px solid #b45309;
            padding-left: 20px;
            background: #fefcf9;
            border-radius: 0 12px 12px 0;
            padding: 16px 20px;
            margin-bottom: 2rem;
        }
        .emoji-icon {
            font-size: 1.3rem;
            margin-right: 6px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px 32px;
        }
        @media(min-width:768px) {
            .content-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .card {
            background: #f9f6f1;
            border-radius: 16px;
            padding: 24px 22px;
            transition: box-shadow 0.2s, transform 0.15s;
        }
        .card:hover {
            box-shadow: 0 8px 24px rgba(180, 83, 9, 0.08);
            transform: translateY(-2px);
        }
        .card h3 {
            margin-top: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
            background: #faf7f2;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid #e8ddd0;
        }
        th {
            background: #b45309;
            color: #fff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #fef3e7;
        }
        .feature-img {
            margin: 28px 0;
            border-radius: 16px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
        }
        .feature-img figcaption {
            font-size: 0.9rem;
            color: #6b7280;
            margin-top: 8px;
            text-align: center;
            font-style: italic;
        }
        .form-section {
            background: #f9f6f1;
            border-radius: 20px;
            padding: 28px 24px;
            margin: 32px 0;
            border: 1px solid #f0e6d8;
        }
        .form-section h2 {
            margin-top: 0;
            border-bottom: none;
            padding-bottom: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: #2d3a40;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0d6c8;
            border-radius: 12px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #b45309;
            box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.12);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background: #92400e;
            transform: scale(1.02);
        }
        .btn:active {
            transform: scale(0.97);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #d1c4b0;
            cursor: pointer;
            direction: rtl;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            transition: color 0.2s;
            cursor: pointer;
            color: #d1c4b0;
        }
        .rating-stars input:checked~label,
        .rating-stars label:hover,
        .rating-stars label:hover~label {
            color: #f59e0b;
        }
        friend-link {
            display: block;
            background: #f4efe8;
            border-radius: 20px;
            padding: 28px 24px;
            margin: 32px 0 16px;
        }
        friend-link h2 {
            margin-top: 0;
            border-bottom: none;
            padding-bottom: 0;
        }
        .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            list-style: none;
            margin-top: 12px;
        }
        .friend-list li a {
            background: #fff;
            padding: 8px 20px;
            border-radius: 40px;
            font-weight: 500;
            border: 1px solid #e0d6c8;
            transition: background 0.2s, border-color 0.2s;
            display: inline-block;
        }
        .friend-list li a:hover {
            background: #b45309;
            color: #fff;
            border-color: #b45309;
            text-decoration: none;
        }
        footer {
            border-top: 2px solid #f0e6d8;
            padding: 24px 0 12px;
            margin-top: 20px;
            text-align: center;
            font-size: 0.95rem;
            color: #6b7280;
        }
        footer .copyright {
            margin-top: 8px;
            font-size: 0.88rem;
        }
        @media(max-width:767px) {
            .container {
                padding: 12px 14px 24px;
                border-radius: 16px;
            }
            h1 {
                font-size: 2.0rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .my-logo {
                font-size: 1.7rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding: 16px 0 8px;
                border-top: 1px solid #f0e6d8;
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 16px;
                border-radius: 12px;
                background: #f9f6f1;
            }
            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .rating-stars {
                font-size: 1.7rem;
            }
            .card {
                padding: 18px 16px;
            }
        }
        @media(min-width:768px) and (max-width:1023px) {
            .container {
                padding: 20px 24px 28px;
            }
            .nav-menu {
                gap: 4px 12px;
            }
            .nav-menu li a {
                font-size: 0.88rem;
                padding: 4px 8px;
            }
        }
        .hidden-schema {
            display: none;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #9ca3af;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }
        .last-updated i {
            color: #b45309;
        }
        blockquote {
            border-left: 4px solid #b45309;
            padding: 16px 20px;
            margin: 20px 0;
            background: #fcf9f5;
            border-radius: 0 16px 16px 0;
            font-style: italic;
            color: #4b5563;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fef3e7, #fdf6ee);
            padding: 24px 28px;
            border-radius: 20px;
            border: 1px solid #f0e6d8;
            margin: 24px 0;
        }
        ul,
        ol {
            margin-bottom: 1.2rem;
            padding-left: 24px;
            color: #374151;
        }
        li {
            margin-bottom: 6px;
        }
        .toc {
            background: #f4efe8;
            border-radius: 16px;
            padding: 20px 24px;
            margin-bottom: 2rem;
        }
        .toc ol {
            margin-bottom: 0;
            padding-left: 20px;
        }
        .toc a {
            font-weight: 500;
        }
        .tag {
            display: inline-block;
            background: #b45309;
            color: #fff;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-right: 4px;
        }