.calculator-index-shell { max-width: 1180px; padding-right: 28px; padding-left: 28px; }
.calculator-index-shell .blog-index-search-btn { background: var(--text); color: var(--bg); }
.calculator-index-shell .blog-index-home-link { color: var(--text); }
.calculator-index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.calculator-index-card {
  border: 1px solid var(--index-card-line);
  border-radius: 18px;
  background: var(--bg);
  overflow: hidden;
}
.calculator-index-card > a {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 28px;
  color: var(--text);
  text-decoration: none;
  transition: background .15s ease;
}
.calculator-index-card > a:hover { background: color-mix(in srgb, var(--brand) 8%, var(--bg)); }
.calculator-index-card > a:focus-visible { outline: 3px solid var(--text); outline-offset: -4px; }
.calculator-index-card-top { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.calculator-index-icon { display: grid; place-items: center; width: 52px; height: 52px; flex: 0 0 auto; border-radius: 13px; background: color-mix(in srgb, var(--brand) 36%, var(--bg)); }
.calculator-index-icon svg { width: 28px; height: 28px; }
.calculator-index-category { color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.calculator-index-card h2 { color: var(--text); font-size: clamp(20px, 2.2vw, 25px); font-weight: 750; line-height: 1.3; margin: 0 0 12px; }
.calculator-index-card p { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 0 0 28px; }
.calculator-index-open { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-top: 1px solid var(--index-card-line); padding-top: 18px; margin-top: auto; font-size: 14px; font-weight: 750; }
.calculator-index-open > span { font-size: 23px; line-height: 1; }
@media (max-width: 640px) {
  .calculator-index-shell { padding-right: 16px; padding-left: 16px; }
  .calculator-index-grid { grid-template-columns: 1fr; gap: 16px; }
  .calculator-index-card > a { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .calculator-index-card > a { transition: none; }
}