/* 沿用全站表單、calc-table、hint 樣式。 */
.tf-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.tf-fields label { display: block; min-width: 0; }
.tf-fields label[hidden] { display: none; }
.tf-fields input,.tf-fields select { width: 100%; min-width: 0; max-width: 100%; }
.tf-wide { grid-column: 1 / -1; }
.tf-result { margin-top: 24px; overflow-wrap: anywhere; }
.tf-result th { text-align: left; }
.tf-scroll { max-width: 100%; overflow-x: auto; margin: 12px 0; }
.tf-total { min-width: 1100px; }
.tf-total th,.tf-total td { white-space: normal; vertical-align: top; }
.tf-total td:first-child { min-width: 220px; }
.tf-total td:last-child { min-width: 320px; }
.tf-scroll table { margin: 0; }
#tf-lines { min-width: 720px; }
#tf-tables details { margin: 12px 0; }
#tf-tables summary { cursor: pointer; font-weight: 700; padding: 12px 0; }
@media(max-width:600px) { .tf-fields { grid-template-columns: minmax(0,1fr); } }