.tools-plain__body {
  max-width: 1200px;
  margin: 0 auto;
}

.loan-calc {
  max-width: 520px;
  margin: 0 auto 1.5rem;
  font-size: 0.95rem;
}

.loan-calc__title {
  text-align: center;
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.loan-calc__title--summary,
.loan-calc__title--plan {
  display: none;
}

.loan-calc__title--inner {
  display: block;
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
}

.loan-calc__row {
  display: flex;
  align-items: stretch;
  margin-bottom: 0.65rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
}

.loan-calc__label {
  flex: 0 0 5.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.4rem;
  background: #f3f3f3;
  color: #333;
  font-size: 0.9rem;
  border-right: 1px solid #ddd;
  white-space: nowrap;
}

.loan-calc__fields {
  flex: 1;
  display: flex;
  align-items: stretch;
  min-width: 0;
}

.loan-calc__fields input,
.loan-calc__fields select {
  border: 0;
  outline: none;
  background: transparent;
  font-size: 0.95rem;
  padding: 0.55rem 0.75rem;
  color: #222;
  width: 100%;
  min-width: 0;
  appearance: none;
  -webkit-appearance: none;
}

.loan-calc__fields input[data-field="amount"] {
  width: auto;
  flex: 1 1 auto;
  min-width: 0;
  padding-right: 0.35rem;
}

.loan-calc__amount-wan {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  padding-right: 0.35rem;
  color: #999;
  font-size: 0.85rem;
  white-space: nowrap;
}

.loan-calc__amount-wan.is-visible {
  display: flex;
}

.loan-calc__fields select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 1.75rem;
  cursor: pointer;
}

.loan-calc__unit {
  flex: 0 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f3f3f3;
  border-left: 1px solid #ddd;
  color: #222;
  font-size: 0.9rem;
  font-weight: 700;
}

.loan-calc__term-num {
  flex: 1 1 auto;
  border-right: 1px solid #eee;
}

.loan-calc__term-unit {
  flex: 0 0 5.5rem;
  font-weight: 700;
  color: #222;
}

.loan-calc__actions {
  display: flex;
  gap: 0.6rem;
  margin: 1rem 0 0;
}

.loan-calc__actions button {
  flex: 1;
  border-radius: 6px;
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid #c9c9c9;
  background: #fff;
  color: #333;
}

.loan-calc__actions .is-primary {
  flex: 1.7;
  background: #325D52;
  border-color: #325D52;
  color: #fff;
}

.loan-calc__actions button:not(.is-primary) {
  flex: 0.8;
}

.loan-calc__error {
  display: none;
  color: #bc0808;
  font-size: 0.9rem;
  margin: 0.5rem 0 0;
  text-align: center;
}

.loan-calc__error.is-visible {
  display: block;
}

.loan-calc__tips {
  margin-top: 0.65rem;
  padding: 0;
  border: 0;
  background: transparent;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 0.65rem;
  color: #888;
  font-size: 0.8rem;
  line-height: 1.55;
}

.loan-calc__tips-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  min-width: 0;
  padding: 0.55rem 0.65rem;
  border: 1px dashed #cfcfcf;
  border-radius: 6px;
  background: transparent;
  box-sizing: border-box;
}

.loan-calc__tips-text {
  color: #888;
  font-size: 0.76rem;
  line-height: 1.45;
}

.loan-calc__tag {
  display: inline-block;
  padding: 0.08rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.45;
  color: #325D52;
  background: #e8f0ee;
  border: 1px solid #c5d6d1;
  vertical-align: middle;
}

.loan-calc__panel {
  position: relative;
}

.loan-calc__panel--plan {
  display: none;
}

.loan-calc.has-result .loan-calc__panel--plan {
  display: block;
  margin-top: 2rem;
}

.loan-calc__result-empty {
  display: none;
}

.loan-calc__result-empty--plan {
  display: none;
}

.loan-calc__brand {
  display: none;
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 27px;
  height: 27px;
  object-fit: cover;
  opacity: 0.88;
  pointer-events: none;
  z-index: 2;
}

.loan-calc.has-result .loan-calc__brand {
  display: block;
}

.loan-calc__result {
  display: none;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  padding: 1.3rem 0.95rem;
  background: #fafafa;
  margin-top: 2rem;
}

.loan-calc__result.is-visible {
  display: block;
}

.loan-calc__cards {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.loan-calc__metrics {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  gap: 0.7rem;
}

.loan-calc__metrics .loan-calc__card {
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem 0.75rem;
  padding: 0.9rem 0.85rem;
  min-height: 0;
  box-sizing: border-box;
}

.loan-calc__metrics .loan-calc__result-label {
  flex: 0 0 auto;
  margin-right: auto;
}

.loan-calc__result-amount {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  text-align: right;
  gap: 0.1rem;
  min-width: 0;
}

.loan-calc__result-main {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  justify-content: flex-end;
}

.loan-calc__metrics .loan-calc__result-value {
  flex: 0 0 auto;
  text-align: right;
}

.loan-calc__metrics .loan-calc__unit-text {
  flex: 0 0 auto;
  font-size: 0.95rem;
}

.loan-calc__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  padding: 0.9rem 0.85rem;
  border-radius: 6px;
  border: 1px solid transparent;
}

.loan-calc__card.is-principal {
  background: #f1f5f9;
  border-color: #d7e0ea;
}

.loan-calc__card.is-monthly {
  background: #e8f4f8;
  border-color: #b7d9e6;
}

.loan-calc__card.is-interest {
  background: #f0f7fa;
  border-color: #c5d9e3;
}

.loan-calc__card.is-total {
  background: #eef9f1;
  border-color: #bfe5c9;
}

.loan-calc__card.is-details {
  background: transparent;
  border-color: transparent;
  padding: 0.15rem 2.4rem 0.15rem 0.15rem;
  gap: 0.25rem;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
}

.loan-calc__result-label {
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
}

.loan-calc__result-value {
  color: #0f172a;
  font-size: 0.95rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
}

.loan-calc__unit-text {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
}

.loan-calc__result-wan,
.loan-calc__monthly-hint {
  display: none;
  color: #888;
  font-weight: 400;
  font-size: 0.82rem;
  line-height: 1.3;
  text-align: right;
}

.loan-calc__result-wan:not([hidden]),
.loan-calc__monthly-hint:not([hidden]) {
  display: block;
}

.loan-calc__card.is-principal .loan-calc__result-value,
.loan-calc__card.is-principal .loan-calc__unit-text {
  color: #0f172a;
}

.loan-calc__card.is-monthly .loan-calc__result-label,
.loan-calc__card.is-monthly .loan-calc__result-value,
.loan-calc__card.is-monthly .loan-calc__unit-text {
  color: #325D52;
}

.loan-calc__card.is-interest .loan-calc__result-label,
.loan-calc__card.is-interest .loan-calc__result-value,
.loan-calc__card.is-interest .loan-calc__unit-text {
  color: #0f766e;
}

.loan-calc__card.is-total .loan-calc__result-label,
.loan-calc__card.is-total .loan-calc__result-value,
.loan-calc__card.is-total .loan-calc__unit-text {
  color: #16a34a;
}

.loan-calc__card .loan-calc__result-wan,
.loan-calc__card .loan-calc__monthly-hint {
  color: #888;
}

.loan-calc__details {
  font-size: 0.76rem;
  line-height: 1.5;
  color: #888;
  width: 100%;
}

.loan-calc__details-line {
  color: #888;
  font-size: 0.76rem;
  line-height: 1.5;
  word-break: break-word;
}

.loan-calc__plan {
  display: none;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  padding: 1.3rem 0.95rem;
  background: #fafafa;
}

.loan-calc__plan.is-visible {
  display: block;
}

.loan-calc__table-wrap {
  max-height: 22rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid #eee;
  border-radius: 4px;
  background: #fff;
}

.loan-calc__table {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-height: 0;
  border-collapse: collapse;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

.loan-calc__table th,
.loan-calc__table td {
  padding: 0.4rem 0.55rem 0.4rem 0.35rem;
  text-align: center;
  border-bottom: 1px solid #f0f0f0;
  white-space: nowrap;
}

.loan-calc__table thead {
  flex: 0 0 auto;
  display: block;
  width: 100%;
  box-sizing: border-box;
  /* 与表体细滚动条同宽，避免列错位 */
  padding-right: 5px;
  overflow: hidden;
  background: #f5f5f5;
}

.loan-calc__table thead tr {
  display: table;
  width: 100%;
  table-layout: fixed;
}

.loan-calc__table thead th {
  position: static;
  background: #f5f5f5;
  color: #555;
  font-weight: 600;
  z-index: 1;
}

.loan-calc__table tbody {
  display: block;
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #c4c4c4 transparent;
}

.loan-calc__table tbody::-webkit-scrollbar {
  width: 5px;
}

.loan-calc__table tbody::-webkit-scrollbar-track {
  background: transparent;
}

.loan-calc__table tbody::-webkit-scrollbar-thumb {
  background: #c4c4c4;
  border-radius: 999px;
}

.loan-calc__table tbody::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

.loan-calc__table tbody tr {
  display: table;
  width: 100%;
  table-layout: fixed;
}

.loan-calc__table tbody tr:last-child td {
  border-bottom: 0;
}

.loan-calc__note {
  margin: 0.75rem 0 0;
  color: #888;
  font-size: 0.8rem;
  line-height: 1.6;
}

@media (max-width: 480px) {
  .loan-calc__label {
    flex-basis: 4.6rem;
    font-size: 0.82rem;
    padding: 0.5rem 0.25rem;
  }

  .loan-calc__term-unit {
    flex-basis: 4.5rem;
  }
}

/* 三列尽早出现：平板竖屏起切三列，窄列用紧凑样式避免挤难看 */
@media (min-width: 768px) {
  .loan-calc {
    max-width: 1180px;
  }

  .loan-calc__layout {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-areas:
      "title-form title-summary title-plan"
      "form panel-summary panel-plan"
      "tips panel-summary panel-plan"
      ". . note";
    column-gap: 0.75rem;
    row-gap: 0;
    align-items: stretch;
  }

  .loan-calc__title--form {
    grid-area: title-form;
    font-size: 1.15rem;
  }

  .loan-calc__title--summary {
    grid-area: title-summary;
    display: block;
    margin-top: 0;
    font-size: 1.15rem;
  }

  .loan-calc__title--plan {
    grid-area: title-plan;
    display: block;
    margin-top: 0;
    font-size: 1.15rem;
  }

  .loan-calc__title--summary-inner,
  .loan-calc__title--plan-inner {
    display: none;
  }

  .loan-calc__form {
    grid-area: form;
    min-width: 0;
  }

  .loan-calc__label {
    flex-basis: 4.4rem;
    font-size: 0.82rem;
    padding: 0.5rem 0.3rem;
  }

  .loan-calc__fields input,
  .loan-calc__fields select {
    font-size: 0.88rem;
    padding: 0.5rem 0.55rem;
  }

  .loan-calc__unit {
    flex-basis: 2.1rem;
    font-size: 0.82rem;
  }

  .loan-calc__term-unit {
    flex-basis: 3.6rem;
  }

  .loan-calc__actions {
    gap: 0.45rem;
    margin-top: 0.85rem;
  }

  .loan-calc__actions button {
    padding: 0.55rem 0.5rem;
    font-size: 0.88rem;
  }

  .loan-calc__tips {
    grid-area: tips;
    margin-top: 0.65rem;
    align-self: stretch;
    min-width: 0;
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .loan-calc__tips-col {
    padding: 0.45rem 0.55rem;
  }

  .loan-calc__tips-text {
    padding-left: 0;
    font-size: 0.72rem;
  }

  .loan-calc__panel--summary,
  .loan-calc__panel--plan {
    display: flex;
    flex-direction: column;
    height: 0;
    min-height: 100%;
    min-width: 0;
    overflow: hidden;
    box-sizing: border-box;
    margin-top: 0;
  }

  .loan-calc.has-result .loan-calc__panel--plan {
    display: flex;
    margin-top: 0;
  }

  .loan-calc__panel--summary {
    grid-area: panel-summary;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    padding: 0.5rem 0.6rem;
    background: #fafafa;
  }

  .loan-calc__panel--plan {
    grid-area: panel-plan;
  }

  .loan-calc__note {
    grid-area: note;
    margin-top: 0.55rem;
    align-self: start;
    text-align: right;
  }

  .loan-calc__result {
    display: none;
    flex: 1 1 auto;
    align-self: stretch;
    border: 0;
    padding: 0;
    background: transparent;
    margin: 0;
    min-height: 0;
    overflow: hidden;
  }

  .loan-calc__result.is-visible {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
  }

  .loan-calc__cards {
    flex: 1 1 auto;
    justify-content: space-between;
    gap: 0.45rem;
    min-height: 0;
    overflow: hidden;
    padding-top: 0.4rem;
  }

  .loan-calc__metrics {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.45rem;
    margin-top: 0;
    min-height: 0;
  }

  .loan-calc__metrics .loan-calc__card {
    flex: 1 1 0;
    min-height: 0;
    padding: 0.45rem 0.55rem;
  }

  .loan-calc__card.is-details {
    flex: 0 0 auto;
    justify-content: flex-start;
    padding: 0.15rem 2.4rem 0.1rem 0.15rem;
    background: transparent;
    border-color: transparent;
  }

  .loan-calc__details {
    font-size: 0.7rem;
    line-height: 1.4;
  }

  .loan-calc__details-line {
    font-size: 0.7rem;
  }

  .loan-calc__panel--summary > .loan-calc__result-empty {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    color: #aaa;
    font-size: 0.82rem;
    line-height: 1.65;
    text-align: center;
    padding: 0.75rem 0.55rem;
    border: 0;
    background: transparent;
  }

  .loan-calc.has-result .loan-calc__panel--summary > .loan-calc__result-empty {
    display: none;
  }

  .loan-calc__brand {
    display: block;
    right: 10px;
    bottom: 10px;
  }

  .loan-calc__plan {
    display: none;
    flex: 1 1 auto;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    padding: 0.5rem 0.55rem;
    background: #fafafa;
    min-height: 0;
    height: 100%;
    overflow: hidden;
    box-sizing: border-box;
  }

  .loan-calc__plan.is-visible {
    display: flex;
    flex-direction: column;
  }

  .loan-calc__result-empty--plan {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    background: #fafafa;
    color: #aaa;
    font-size: 0.82rem;
    line-height: 1.65;
    text-align: center;
    padding: 0.75rem 0.55rem;
    box-sizing: border-box;
    min-height: 0;
    height: 100%;
  }

  .loan-calc.has-result .loan-calc__result-empty--plan {
    display: none;
  }

  .loan-calc__table {
    font-size: 0.74rem;
  }

  .loan-calc__table th,
  .loan-calc__table td {
    padding: 0.32rem 0.4rem 0.32rem 0.2rem;
  }

  .loan-calc__table-wrap {
    flex: 1 1 auto;
    max-height: none;
    min-height: 0;
    height: auto;
    overflow: hidden;
  }
}

/* 宽屏恢复更舒展的三列 */
@media (min-width: 1100px) {
  .loan-calc__layout {
    column-gap: 1rem;
  }

  .loan-calc__title--form,
  .loan-calc__title--summary,
  .loan-calc__title--plan {
    font-size: 1.35rem;
  }

  .loan-calc__label {
    flex-basis: 5.5rem;
    font-size: 0.9rem;
    padding: 0.55rem 0.4rem;
  }

  .loan-calc__fields input,
  .loan-calc__fields select {
    font-size: 0.95rem;
    padding: 0.55rem 0.75rem;
  }

  .loan-calc__unit {
    flex-basis: 2.5rem;
    font-size: 0.9rem;
  }

  .loan-calc__term-unit {
    flex-basis: 5.5rem;
  }

  .loan-calc__actions {
    gap: 0.6rem;
    margin-top: 1rem;
  }

  .loan-calc__actions button {
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
  }

  .loan-calc__tips {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 0.65rem;
  }

  .loan-calc__tips-col {
    padding: 0.55rem 0.65rem;
  }

  .loan-calc__tips-text {
    padding-left: 0.2rem;
    font-size: 0.76rem;
  }

  .loan-calc__panel--summary {
    padding: 0.55rem 0.75rem;
  }

  .loan-calc__metrics .loan-calc__card {
    padding: 0.55rem 0.7rem;
  }

  .loan-calc__panel--summary > .loan-calc__result-empty,
  .loan-calc__result-empty--plan {
    font-size: 0.9rem;
    line-height: 1.7;
    padding: 1rem;
  }

  .loan-calc__plan {
    padding: 0.55rem 0.65rem;
  }

  .loan-calc__table {
    font-size: 0.82rem;
  }

  .loan-calc__table th,
  .loan-calc__table td {
    padding: 0.4rem 0.55rem 0.4rem 0.35rem;
  }
}