*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #fef9f0;
            color: #2d1b0e;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7c2d12;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #3b1f0a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #f59e0b;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            background: #fffcf7;
            padding: 1.2rem 1.5rem 2rem;
            border-radius: 20px 20px 0 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #fcd34d;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f59e0b, #d97706, #b45309);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-block;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #6b4226;
            color: #6b4226;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.1rem 0.4rem;
            padding: 0;
            margin: 0;
        }
        .nav-links li a {
            display: block;
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.85rem;
            color: #4b2e1a;
            transition: background 0.25s, color 0.25s;
        }
        .nav-links li a:hover {
            background: #f59e0b;
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: #4b2e1a;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
        }
        .hamburger:hover {
            background: #fde68a;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 0.2rem;
            font-size: 0.8rem;
            color: #7c5c3e;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 0.5rem;
            color: #b45309;
        }
        .breadcrumb a {
            color: #7c5c3e;
        }
        .breadcrumb a:hover {
            color: #b45309;
        }
        .breadcrumb li:last-child {
            font-weight: 600;
            color: #3b1f0a;
        }
        .search-box {
            display: flex;
            max-width: 480px;
            margin: 1.8rem 0 1.2rem;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid #fcd34d;
            background: #fff;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 0.7rem 1.2rem;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            background: #f59e0b;
            border: none;
            padding: 0 1.2rem;
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-box button:hover {
            background: #d97706;
        }
        .feature-img {
            margin: 1.5rem 0 1.8rem;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0 1.5rem;
        }
        .interact-card {
            background: #fef7ec;
            border-radius: 16px;
            padding: 1.2rem 1.5rem 1.8rem;
            border: 1px solid #fde68a;
        }
        .interact-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interact-card textarea,
        .interact-card input,
        .interact-card select {
            width: 100%;
            padding: 0.6rem 0.9rem;
            border-radius: 10px;
            border: 1.5px solid #fcd34d;
            font-size: 0.9rem;
            margin-bottom: 0.7rem;
            background: #fff;
            font-family: inherit;
        }
        .interact-card textarea {
            resize: vertical;
            min-height: 70px;
        }
        .interact-card .btn {
            background: #f59e0b;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            font-size: 0.9rem;
        }
        .interact-card .btn:hover {
            background: #d97706;
        }
        .score-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #fcd34d;
            cursor: pointer;
            margin-bottom: 0.6rem;
        }
        .score-stars i {
            transition: transform 0.15s, color 0.15s;
        }
        .score-stars i:hover,
        .score-stars i.active {
            color: #f59e0b;
            transform: scale(1.15);
        }
        footer {
            margin-top: 2.5rem;
            padding: 1.5rem 0 0.8rem;
            border-top: 2px solid #fcd34d;
            font-size: 0.85rem;
            color: #6b4226;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            font-weight: 500;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            padding: 0.2rem 0.6rem;
            background: #fef3c7;
            border-radius: 20px;
            font-size: 0.82rem;
        }
        friend-link a:hover {
            background: #fde68a;
            text-decoration: none;
        }
        .copyright {
            font-size: 0.78rem;
            opacity: 0.75;
            padding-top: 0.5rem;
        }
        .last-update {
            font-weight: 500;
            color: #92400e;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 0.8rem 0.8rem 1.5rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fffcf7;
                padding: 0.8rem 0.4rem;
                border-radius: 16px;
                margin-top: 0.5rem;
                border: 1px solid #fde68a;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                padding: 0.5rem 1rem;
            }
            .hamburger {
                display: block;
            }
            .interact-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .breadcrumb {
                font-size: 0.7rem;
            }
            .search-box {
                max-width: 100%;
            }
        }
        @media (min-width: 769px) {
            .hamburger {
                display: none;
            }
            .nav-links {
                display: flex;
            }
        }
        .highlight {
            background: #fef3c7;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .block-tip {
            background: #f1f5f9;
            border-left: 5px solid #f59e0b;
            padding: 0.8rem 1.2rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .block-tip strong {
            color: #b45309;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
            margin: 1.2rem 0;
        }
        .stat-card {
            background: #fef7ec;
            border-radius: 14px;
            padding: 0.8rem 0.6rem;
            text-align: center;
            border: 1px solid #fde68a;
        }
        .stat-card .num {
            font-size: 1.7rem;
            font-weight: 800;
            color: #b45309;
        }
        .stat-card .label {
            font-size: 0.8rem;
            color: #6b4226;
        }
        .schema-hidden {
            display: none;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        th,
        td {
            padding: 0.5rem 0.8rem;
            border: 1px solid #fde68a;
            text-align: left;
        }
        th {
            background: #fef3c7;
            font-weight: 600;
        }
        @media (max-width: 480px) {
            table {
                font-size: 0.75rem;
            }
            th,
            td {
                padding: 0.3rem 0.5rem;
            }
        }