/* 仅约束 Markdown 正文的外层排版表格，不影响经典正文、头像和编辑器。 */
table.st-markdown-message-table {
    width: 100%;
    table-layout: fixed;
}
.t_f[id^="postmessage_"] .vditor-reset {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: break-word;
}
.t_f[id^="postmessage_"] .vditor-reset img {
    width: auto;
    max-width: 100% !important;
    height: auto !important;
    box-sizing: border-box;
}
/* 宽表格和代码块各自滚动，避免撑宽整篇正文。 */
.t_f[id^="postmessage_"] .vditor-reset table {
    display: block;
    width: auto;
    max-width: 100%;
    overflow-x: auto;
}
.t_f[id^="postmessage_"] .vditor-reset pre {
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: auto;
}