/* ── 英文首字母大写 ── */

/* 转换预览 */
.cap-preview {
    margin-top: 1.4rem;
    padding: 1rem 1.2rem;
    background: #f8f9fb;
    border: 1px solid #e8eaf0;
    border-radius: 8px;
}

.preview-label {
    font-size: 0.8rem;
    color: #999;
    margin-bottom: 0.5rem;
}

.preview-content {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.8;
    word-break: break-word;
}

.preview-content .cap-letter {
    color: #2563eb;
    font-weight: 700;
}