/* ============================================================
   萤火学术 — 辅助样式增强
   ============================================================ */
.nav.scrolled{
  box-shadow:0 4px 20px rgba(27,42,74,.08);
}
.order-preview-text{
  font-family:inherit;
  font-size:13px;
  line-height:1.75;
  color:#f0f5ff;
  white-space:pre-wrap;
  word-break:break-all;
  margin:0;
}
.calc-preview-box{
  background:rgba(12,20,38,.55);
  border:1px solid rgba(255,255,255,.16);
  border-radius:12px;
  padding:16px 14px;
  margin:14px 0 16px;
  max-height:280px;
  overflow-y:auto;
}
.calc-preview-box::-webkit-scrollbar{
  width:6px;
}
.calc-preview-box::-webkit-scrollbar-thumb{
  background:rgba(255,255,255,.2);
  border-radius:6px;
}
.price-hint{
  font-size:13px;
  font-weight:700;
  color:var(--blue);
  background:#eef4ff;
  padding:4px 10px;
  border-radius:6px;
}