.reason-grid article {
  position: relative;
  padding-top: 18px;
  border-top: 4px solid var(--fresh);
}

.reason-grid article:nth-child(even) {
  border-top-color: var(--lime);
}

.reason-grid span {
  color: var(--lime);
  font-family: "Nunito", "Noto Sans TC", system-ui, sans-serif;
  font-size: 64px;
  font-weight: 900;
  line-height: .9;
}

.reason-grid h3 {
  margin-top: 22px;
}

.reason-grid p,
.material-body p,
.material-points p,
.series-line p,
.format-points p,
.details-panel p,
.consult p {
  color: var(--muted);
}

.material-feature {
  display: grid;
  grid-template-columns: minmax(170px, .24fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 64px);
  max-width: 1180px;
  padding-top: 38px;
  border-top: 4px solid var(--ink);
}

.material-index {
  color: var(--lime);
  font-size: 100px;
  font-weight: 900;
  line-height: .82;
}

.status {
  display: inline-flex;
  margin: 0 0 14px;
  padding: 5px 11px;
  border: 2px solid var(--lime);
  border-radius: 999px;
  background: #fff;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.material-body > p {
  max-width: 780px;
}

.material-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

.material-points article {
  min-height: 170px;
  padding: 26px 24px 24px 0;
  border-bottom: 1px solid var(--line);
}

.material-points article:nth-child(even) {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.material-points span {
  display: block;
  margin-bottom: 12px;
  color: var(--green);
  font-family: "Nunito", "Noto Sans TC", system-ui, sans-serif;
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
}

.future-link {
  display: inline-grid;
  gap: 3px;
  margin-top: 26px;
  padding: 10px 16px;
  border: 2px solid var(--mint-line);
  border-radius: 18px;
  background: #fff;
  color: var(--ink);
}

.future-link span {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.future-link strong {
  font-weight: 900;
}

.series-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1180px;
  border-top: 4px solid var(--ink);
}

.series-line article {
  min-height: 250px;
  padding: 30px 26px 28px 0;
  border-bottom: 1px solid var(--line);
}

.series-line article + article {
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.product-line {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-line article {
  min-height: 290px;
}

.product-line article:nth-child(odd) {
  padding-left: 0;
  border-left: 0;
}

.product-line article:nth-child(even) {
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.product-price {
  display: block;
  margin-top: 22px;
  color: var(--green);
  font-family: "Nunito", "Noto Sans TC", system-ui, sans-serif;
  font-size: 28px;
  font-weight: 900;
}

.series-line span {
  display: block;
  margin-bottom: 36px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.format-panel,
.details-panel {
  display: grid;
  grid-template-columns: minmax(0, .84fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: start;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 34px;
  border-left: 10px solid var(--fresh);
}

.format-points {
  display: grid;
  gap: 22px;
}

.format-points article {
  padding-left: 22px;
  border-left: 5px solid var(--fresh);
}

.format-points article:nth-child(even) {
  border-left-color: var(--lime);
}

.format-points span {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 25px;
  font-weight: 900;
}

.expansion {
  background:
    linear-gradient(180deg, #fff, var(--mint));
}

.consult {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin: clamp(58px, 8vw, 100px) clamp(20px, 5vw, 76px);
  padding: clamp(32px, 5vw, 58px);
  border: 2px solid var(--mint-line);
  border-radius: 28px;
  background: #fff;
}

.consult::before {
  content: "";
  position: absolute;
  right: 30px;
  top: 28px;
  width: 18px;
  height: 18px;
  border-radius: 50% 50% 50% 0;
  background: var(--fresh);
  transform: rotate(-28deg);
}

.consult::after {
  content: "";
  position: absolute;
  right: 72px;
  top: 42px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--yellow);
}

.consult h2 {
  max-width: 820px;
}

.consult p {
  max-width: 760px;
}

.preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 76px);
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.preview-footer p {
  margin: 0;
  font-family: "Nunito", "Noto Sans TC", system-ui, sans-serif;
  font-weight: 900;
}

.preview-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  font-weight: 800;
}

@media (max-width: 1120px) {
  h2 {
    font-size: 44px;
  }

  .materials-hero,
  .format-panel,
  .details-panel,
  .consult {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    justify-self: start;
    width: min(68vw, 420px);
  }

  .reason-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .material-feature {
    grid-template-columns: minmax(130px, .24fr) minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    padding: 12px 18px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .brand small {
    display: none;
  }

  h1 {
    font-size: 50px;
    line-height: .9;
  }

  h2 {
    font-size: 34px;
    line-height: 1.16;
  }

  h3 {
    font-size: 25px;
  }

  .materials-hero {
    min-height: auto;
    padding: 72px 20px 74px;
  }

  .materials-hero::before {
    right: 20px;
    left: 20px;
  }

  .materials-hero::after {
    left: 20px;
    width: 128px;
  }

  .hero-lead,
  .intro-grid p,
  .section-head p:not(.eyebrow) {
    font-size: 16px;
  }

  .hero-visual {
    width: min(78vw, 300px);
    margin-top: 12px;
  }

  .material-note {
    right: -14px;
    bottom: 12px;
    min-width: 220px;
    padding: 14px 16px;
  }

  .material-note strong {
    font-size: 23px;
  }

  .section {
    padding: 68px 20px;
  }

  .section-head {
    margin-bottom: 28px;
  }

  .intro-grid,
  .reason-grid,
  .material-feature,
  .material-points,
  .series-line {
    grid-template-columns: 1fr;
  }

  .intro-grid p {
    padding-left: 18px;
  }

  .reason-grid {
    gap: 26px;
  }

  .reason-grid span,
  .material-index {
    font-size: 58px;
  }

  .material-feature {
    display: block;
  }

  .material-body {
    margin-top: 20px;
  }

  .material-points article,
  .material-points article:nth-child(even) {
    min-height: auto;
    padding: 22px 0;
    border-left: 0;
  }

  .series-line article,
  .series-line article + article {
    min-height: auto;
    padding: 24px 0;
    border-left: 0;
  }

  .format-panel,
  .details-panel {
    padding-left: 22px;
    border-left-width: 8px;
  }

  .consult {
    grid-template-columns: 1fr;
    margin-top: 58px;
    margin-bottom: 58px;
    padding: 34px 24px;
    border-radius: 22px;
  }

  .consult .button {
    width: 100%;
  }

  .preview-footer {
    display: grid;
    gap: 12px;
  }
}