.tool-page {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, "Microsoft YaHei", sans-serif;
    margin: 0;
}

.tool-result {
    margin-top: 15px;
    font-size: 16px;
    background-color: #f6f8fa;
    padding: 15px;
    border-radius: 10px;
    line-height: 1.7;
    word-break: break-word;
    border: 1px solid #d8dee4;
}

.tool-result-hidden {
    display: none;
}

.tool-rules-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.tool-rules-table th,
.tool-rules-table td {
    border: 1px solid #d8dee4;
    padding: 8px 10px;
    text-align: center;
}

.tool-rules-table th {
    background-color: #f6f8fa;
}

.tool-highlight {
    background-color: #eef6ff;
}

@media (max-width: 480px) {
    .tool-result {
        font-size: 14px;
        padding: 10px;
    }

    .tool-rules-table th,
    .tool-rules-table td {
        padding: 6px 8px;
    }

    .tool-rules-table,
    .tool-rules-table thead,
    .tool-rules-table tbody,
    .tool-rules-table th,
    .tool-rules-table td,
    .tool-rules-table tr {
        display: block;
        width: 100%;
    }

    .tool-rules-table thead {
        display: none;
    }

    .tool-rules-table tr {
        margin-bottom: 15px;
        border: 1px solid #d8dee4;
        border-radius: 12px;
        padding: 10px;
        background-color: #f6f8fa;
    }

    .tool-rules-table td {
        text-align: left;
        border: none;
        padding: 6px 0;
        position: relative;
    }

    .tool-rules-table td::before {
        content: attr(data-label);
        font-weight: bold;
        display: inline-block;
        width: 140px;
        color: #24292f;
    }
}