/* =========================================================================
   Safe Operating Speed module  (.wanhu-rpm)
   Printed on every product page and available as [wanhu_rpm_guide].
   Inherits the wanli-industrial theme tokens via the --rfq-* variables.
   ====================================================================== */
.wanhu-rpm {
  margin: 46px 0 8px;
  padding: 26px 26px 22px;
  border: 1px solid var(--rfq-line);
  border-radius: var(--rfq-radius);
  background: #fff;
}
.wanhu-rpm__head { margin-bottom: 18px; }
.wanhu-rpm__title {
  margin: 0 0 8px;
  font: 700 21px/1.2 var(--rfq-display);
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--rfq-ink);
}
.wanhu-rpm__intro {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.65;
  color: var(--rfq-muted);
}
.wanhu-rpm__intro strong { color: var(--rfq-ink); font-weight: 700; }

/* ---- the two key rules ------------------------------------------------- */
.wanhu-rpm__key {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-bottom: 22px;
}
@media (min-width: 700px) {
  .wanhu-rpm__key { grid-template-columns: 1fr 1fr; }
}
.wanhu-rpm__keybox {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 17px;
  border-left: 3px solid var(--rfq-blue);
  border-radius: 0 var(--rfq-radius) var(--rfq-radius) 0;
  background: var(--rfq-pale);
}
.wanhu-rpm__keybox svg { flex: 0 0 auto; margin-top: 2px; color: var(--rfq-blue); }
.wanhu-rpm__keybox > div { display: block; min-width: 0; }
.wanhu-rpm__keylabel {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--rfq-muted);
}
.wanhu-rpm__keyvalue {
  display: block;
  margin: 3px 0 2px;
  font: 700 22px/1.15 var(--rfq-display);
  letter-spacing: .01em;
  color: var(--rfq-ink);
}
.wanhu-rpm__keynote { display: block; font-size: 12.5px; line-height: 1.5; color: var(--rfq-muted); }

.wanhu-rpm__keybox--warn {
  border-left-color: #b4441f;
  background: #fbeeea;
}
.wanhu-rpm__keybox--warn svg { color: #b4441f; }
.wanhu-rpm__keybox--warn .wanhu-rpm__keyvalue { color: #b4441f; }

/* ---- table ------------------------------------------------------------- */
.wanhu-rpm__tablewrap {
  overflow-x: auto;
  border: 1px solid var(--rfq-line);
  border-radius: var(--rfq-radius);
}
.wanhu-rpm__table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}
.wanhu-rpm__caption {
  padding: 11px 14px;
  border-bottom: 1px solid var(--rfq-line);
  background: var(--rfq-silver);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--rfq-muted);
  text-align: left;
}
.wanhu-rpm__table th,
.wanhu-rpm__table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rfq-line);
  text-align: left;
  vertical-align: middle;
}
.wanhu-rpm__table thead th {
  background: #f7fafd;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--rfq-muted);
  white-space: nowrap;
}
.wanhu-rpm__table tbody tr:last-child th,
.wanhu-rpm__table tbody tr:last-child td { border-bottom: 0; }
.wanhu-rpm__table tbody tr:hover { background: #fafcfe; }
.wanhu-rpm__table tbody th { font-weight: 700; color: var(--rfq-ink); }
/* keep the four columns from drifting apart on wide screens */
.wanhu-rpm__table thead th:nth-child(1) { width: 19%; }
.wanhu-rpm__table thead th:nth-child(2) { width: 13%; }
.wanhu-rpm__table thead th:nth-child(3) { width: 44%; }
.wanhu-rpm__table thead th:nth-child(4) { width: 24%; }
.wanhu-rpm__mm { display: block; }
.wanhu-rpm__inch {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--rfq-muted);
}
.wanhu-rpm__table code {
  padding: 2px 7px;
  border-radius: 2px;
  background: var(--rfq-silver);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12.5px;
  color: var(--rfq-ink);
}
.wanhu-rpm__note {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  font-weight: 500;
  color: var(--rfq-muted);
}
.wanhu-rpm__pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}
.wanhu-rpm__pill--is-ok   { background: #e6f4ea; color: #1c6b38; }
.wanhu-rpm__pill--is-over { background: #fbe9e4; color: #b4441f; }
.wanhu-rpm__pill--is-low  { background: #fdf3dd; color: #8a6413; }
.wanhu-rpm__pill--is-idle { background: var(--rfq-silver); color: var(--rfq-muted); }

.wanhu-rpm__foot {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  margin: 13px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--rfq-muted);
}
.wanhu-rpm__footicon { display: block; line-height: 0; padding-top: 3px; color: var(--rfq-blue); }
.wanhu-rpm__foottext { display: block; min-width: 0; }
.wanhu-rpm__foot strong { color: var(--rfq-ink); }

/* ---- live calculator --------------------------------------------------- */
.wanhu-rpm__calc {
  margin-top: 22px;
  padding: 18px 18px 16px;
  border: 1px solid var(--rfq-line);
  border-radius: var(--rfq-radius);
  background: var(--rfq-silver);
}
.wanhu-rpm__calctitle {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0 0 14px;
  font: 700 13px/1.3 var(--rfq-body);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--rfq-ink);
}
.wanhu-rpm__calctitle svg { color: var(--rfq-blue); }
.wanhu-rpm__fields {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  .wanhu-rpm__fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.wanhu-rpm__field {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4px 8px;
}
.wanhu-rpm__field > span {
  grid-column: 1 / -1;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--rfq-muted);
}
.wanhu-rpm__field input {
  width: 100%;
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid var(--rfq-line);
  border-radius: var(--rfq-radius);
  background: #fff;
  color: var(--rfq-ink);
  font: 700 15px/1.2 var(--rfq-body);
}
.wanhu-rpm__field input:focus {
  outline: none;
  border-color: var(--rfq-blue);
  box-shadow: 0 0 0 3px rgba(20, 85, 192, .14);
}
.wanhu-rpm__field em {
  font-size: 12.5px;
  font-style: normal;
  font-weight: 700;
  color: var(--rfq-muted);
}
.wanhu-rpm__result {
  margin-top: 14px;
  padding: 13px 15px;
  border-left: 3px solid var(--rfq-line);
  border-radius: 0 var(--rfq-radius) var(--rfq-radius) 0;
  background: #fff;
  font-size: 14px;
  line-height: 1.6;
}
.wanhu-rpm__result.is-ok   { border-left-color: #1c6b38; }
.wanhu-rpm__result.is-over { border-left-color: #b4441f; }
.wanhu-rpm__result.is-low  { border-left-color: #c9992b; }
.wanhu-rpm__result strong {
  font: 700 19px/1.2 var(--rfq-display);
  letter-spacing: .01em;
}
.wanhu-rpm__result .wanhu-rpm__verdict {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  font-weight: 600;
}
.wanhu-rpm__result.is-ok   .wanhu-rpm__verdict { color: #1c6b38; }
.wanhu-rpm__result.is-over .wanhu-rpm__verdict { color: #b4441f; }
.wanhu-rpm__result.is-low  .wanhu-rpm__verdict { color: #8a6413; }
.wanhu-rpm__result .wanhu-rpm__range {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  color: var(--rfq-muted);
}
.wanhu-rpm__formula {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--rfq-muted);
}

/* ---- narrow screens: table becomes stacked cards ----------------------- */
@media (max-width: 600px) {
  .wanhu-rpm { padding: 20px 16px 18px; }
  .wanhu-rpm__title { font-size: 18px; }
  .wanhu-rpm__table { min-width: 0; font-size: 13px; }
  .wanhu-rpm__table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .wanhu-rpm__table tbody tr {
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid var(--rfq-line);
  }
  .wanhu-rpm__table tbody tr:last-child { border-bottom: 0; }
  .wanhu-rpm__table tbody th,
  .wanhu-rpm__table tbody td {
    display: block;
    padding: 4px 14px;
    border-bottom: 0;
  }
  .wanhu-rpm__table tbody th { padding-top: 8px; }
  .wanhu-rpm__table tbody td::before {
    content: attr(data-label) ": ";
    display: inline-block;
    margin-right: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--rfq-muted);
  }
}