/* 利润计算器页布局（叠在 site.css 之上） */

.calc-layout {
  display: grid;
  gap: 1.75rem;
  padding: 0.5rem 0 3rem;
}

@media (min-width: 880px) {
  .calc-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .calc-aside {
    position: sticky;
    top: 1rem;
  }
}

.calc-group {
  margin: 0 0 1.5rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--line);
}

.calc-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.calc-group__title {
  margin: 0.85rem 0 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.calc-fields {
  display: grid;
  gap: 0.85rem;
}

.calc-field {
  display: grid;
  gap: 0.35rem;
}

.calc-field__label {
  font-size: 0.95rem;
  color: var(--ink);
}

.calc-field__unit {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 400;
}

.calc-field input,
.calc-field select {
  width: 100%;
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font: inherit;
  padding: 0.65rem 0.75rem;
  border-radius: 0;
}

.calc-field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 1.1rem) 50%, calc(100% - 0.75rem) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2rem;
}

.calc-field input:focus,
.calc-field select:focus {
  outline: 2px solid rgba(61, 154, 122, 0.45);
  outline-offset: 1px;
  border-color: rgba(61, 154, 122, 0.55);
}

.calc-field input::placeholder {
  color: rgba(154, 167, 181, 0.65);
}

.calc-board {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 1.15rem 1.2rem 1.25rem;
}

.calc-board.is-profit {
  border-color: rgba(61, 154, 122, 0.45);
}

.calc-board.is-loss {
  border-color: rgba(224, 122, 106, 0.5);
}

.calc-board__item--main {
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.calc-board__label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.calc-board__value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 650;
  letter-spacing: -0.02em;
}

.calc-board.is-loss .calc-board__value {
  color: var(--danger);
}

.calc-board.is-profit .calc-board__value {
  color: var(--accent);
}

.calc-board__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
}

.calc-board__grid .calc-board__item:last-child {
  grid-column: 1 / -1;
}

.calc-board__item strong {
  font-size: 1.15rem;
}

.calc-breakdown {
  margin-top: 1rem;
}

.calc-breakdown__title {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.calc-breakdown__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.calc-breakdown__list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--muted);
}

.calc-breakdown__list li span:last-child {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.calc-note {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.calc-platforms {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0;
}

.calc-platforms li {
  border-top: 1px solid var(--line);
}

.calc-platforms a {
  display: block;
  padding: 1.15rem 0;
  color: var(--ink);
  text-decoration: none;
}

.calc-platforms a:hover {
  color: var(--accent-2);
}

.calc-platforms strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.2rem;
}

.calc-platforms span {
  color: var(--muted);
}

.calc-back {
  display: inline-block;
  margin: 0 0 0.75rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.calc-back:hover {
  color: var(--ink);
}

.hero--compact {
  padding-bottom: 0.75rem;
}

.hero--compact h1 {
  font-size: clamp(1.65rem, 4vw, 2.25rem);
}