/* 解决纯文本邮件不自动换行问题的样式 */
.letter-content { /* Changed from .email-body */
    word-wrap: break-word !important;
    white-space: normal !important; /* Changed from pre-wrap to normal */
    overflow-wrap: break-word !important;
}

.letter-content p { /* Changed from .email-body p */
    word-wrap: break-word !important;
    white-space: normal !important;   /* Changed from pre-wrap to normal */
    overflow-wrap: break-word !important;
    text-indent: 2em !important;        /* Indent first line of paragraph */
    margin-top: 0 !important;           /* No top margin */
    margin-bottom: 1em !important;      /* Space after paragraph (visual blank line) */
    line-height: 1.6 !important;        /* Line spacing within paragraph */
}

/* Styles for inline elements if they were causing issues, can be kept or removed if not needed */
.letter-content span,  /* Changed from .email-body span */
.letter-content a,  /* Changed from .email-body a */
.letter-content strong,  /* Changed from .email-body strong */
.letter-content em, /* Changed from .email-body em */
.letter-content code, /* Changed from .email-body code */
.letter-content pre { /* Changed from .email-body pre */
    word-wrap: break-word !important;
    white-space: pre-wrap !important;
    overflow-wrap: break-word !important;
    text-indent: 0 !important; /* Ensure inline elements don't get paragraph indent */
}