*,
        *::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, 'Helvetica Neue', sans-serif;
            background: #f5f7fc;
            color: #1e2a3a;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #7c2d12;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f172a;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 1rem;
            border-bottom: 4px solid #f59e0b;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f59e0b;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.15rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border-radius: 20px;
            padding: 1.5rem 2rem 2rem;
        }
        @media (max-width: 640px) {
            .container {
                padding: 1rem 1rem 1.5rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            body {
                padding: 0 0.5rem;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 0 1rem;
            border-bottom: 2px solid #e9edf2;
            margin-bottom: 0.5rem;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f59e0b, #b45309);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.6rem;
            -webkit-text-fill-color: #64748b;
            color: #64748b;
            display: block;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #b45309;
            border-radius: 8px;
            padding: 0.4rem 0.6rem;
            font-size: 1.6rem;
            color: #b45309;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #f59e0b;
            color: #fff;
            border-color: #f59e0b;
        }
        .nav-toggle .fa-times {
            display: none;
        }
        .nav-toggle.active .fa-bars {
            display: none;
        }
        .nav-toggle.active .fa-times {
            display: inline;
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 1.2rem;
            align-items: center;
        }
        .primary-nav a {
            font-weight: 600;
            color: #1e293b;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .primary-nav a:hover,
        .primary-nav a:focus-visible {
            border-bottom-color: #f59e0b;
            color: #b45309;
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #f8fafc;
                padding: 1rem 0.8rem;
                border-radius: 12px;
                margin-top: 0.8rem;
                border: 1px solid #e2e8f0;
                gap: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                border-bottom: none;
                padding: 0.4rem 0;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            font-size: 0.85rem;
            padding: 0.6rem 0 0.8rem;
            color: #64748b;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "/";
            margin-right: 0.5rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #b45309;
        }
        .breadcrumb .current {
            color: #1e293b;
            font-weight: 600;
        }
        .search-section {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.2rem 1.5rem;
            margin: 1rem 0 1.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
            justify-content: center;
        }
        .search-section label {
            font-weight: 600;
            color: #0f172a;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form {
            display: flex;
            flex: 1 1 280px;
            max-width: 480px;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 2px solid #d1d5db;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
        }
        .search-form input:focus {
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
        }
        .search-form button {
            background: #b45309;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.6rem 1.4rem;
            font-weight: 700;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #7c2d12;
            transform: scale(1.02);
        }
        .interaction-panel {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem 2rem;
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            margin: 1.8rem 0;
            align-items: flex-start;
        }
        .rating-box,
        .comment-box {
            flex: 1 1 240px;
        }
        .rating-box h4,
        .comment-box h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.1rem;
        }
        .star-group {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #f59e0b;
            cursor: pointer;
            margin: 0.3rem 0 0.6rem;
        }
        .star-group i {
            transition: 0.15s;
        }
        .star-group i:hover,
        .star-group i.active {
            transform: scale(1.1);
            color: #b45309;
        }
        .rating-box form,
        .comment-box form {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-top: 0.3rem;
        }
        .rating-box form input[type="number"] {
            display: none;
        }
        .rating-box form button,
        .comment-box form button {
            background: #b45309;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.5rem 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
        }
        .rating-box form button:hover,
        .comment-box form button:hover {
            background: #7c2d12;
        }
        .comment-box textarea {
            width: 100%;
            border: 2px solid #d1d5db;
            border-radius: 12px;
            padding: 0.6rem 0.8rem;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 70px;
            outline: none;
            transition: 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
        }
        .feature-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            background: #e9edf2;
            text-align: center;
        }
        .feature-image img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .feature-image figcaption {
            font-size: 0.85rem;
            color: #475569;
            padding: 0.6rem 1rem;
            background: #f1f5f9;
        }
        .data-table {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }
        .data-table table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #f59e0b;
            color: #0f172a;
            padding: 0.7rem 0.8rem;
            text-align: left;
            font-weight: 700;
        }
        .data-table td {
            padding: 0.6rem 0.8rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .data-table tr:nth-child(even) {
            background: #f8fafc;
        }
        .data-table tr:hover td {
            background: #fef3c7;
        }
        .site-footer {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e9edf2;
            font-size: 0.9rem;
            color: #475569;
        }
        .site-footer .footer-flex {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.2rem;
        }
        friend-link {
            display: block;
            background: #f1f5f9;
            padding: 1rem 1.2rem;
            border-radius: 12px;
            margin: 0.8rem 0 1.2rem;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
        }
        .copyright {
            text-align: center;
            padding: 1rem 0 0.3rem;
            font-size: 0.85rem;
            color: #64748b;
        }
        .last-update {
            font-style: italic;
            background: #fef3c7;
            display: inline-block;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            margin-bottom: 0.8rem;
        }
        .highlight {
            background: #fef3c7;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .tip-box {
            background: #ecfdf5;
            border-left: 5px solid #10b981;
            padding: 1rem 1.2rem;
            border-radius: 8px;
            margin: 1.2rem 0;
        }
        .tip-box strong {
            color: #065f46;
        }
        .emoji-big {
            font-size: 1.3rem;
        }
        @media (max-width: 480px) {
            .interaction-panel {
                flex-direction: column;
                padding: 1rem;
            }
            .search-section {
                flex-direction: column;
                padding: 1rem;
            }
            .search-form {
                width: 100%;
            }
        }
        .schema-hidden {
            display: none;
        }