@font-face {
  font-family: "Outfit";
  src: url("../fonts/Outfit-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Outfit";
  src: url("../fonts/Outfit-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Outfit";
  src: url("../fonts/Outfit-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Orbitron";
  src: url("../fonts/Orbitron-Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Orbitron";
  src: url("../fonts/Orbitron-Black.otf") format("opentype");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

.product-pcb-page {
  --green: #008c11;
  --green-strong: #009214;
  --ink: #14363f;
  --body: #666666;
  --line: #c9e3d7;
  --soft: #f9fbfa;
  --soft-row: #eff5f3;
  width: 100%;
  background: #ffffff;
  color: #14363f;
  font-family: "Outfit", Arial, sans-serif;
}

.product-pcb-page *,
.product-pcb-page *::before,
.product-pcb-page *::after {
  box-sizing: border-box;
}

.product-pcb-page button {
  appearance: none;
  margin: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.product-pcb-page .pcb-section {
  width: 100%;
}

.product-pcb-page .pcb-container {
  width: 100%;
  max-width: 1640px;
  margin: 0 auto;
  padding: 0 24px;
  min-width: 0;
}

.product-pcb-page {
  --product-title-line-height: 73px;
  --product-card-title-line-height: 32px;
}

.product-pcb-page .section-title {
  font-family: var(--font-body, "Outfit"), "Microsoft YaHei", Arial, sans-serif;
  font-weight: 700;
  font-size: 40px;
  line-height: var(--product-title-line-height);
  letter-spacing: 0;
  text-align: center;
}

.product-pcb-page .title-green,
.product-pcb-page .split-title span,
.product-pcb-page .trigger-kicker {
  color: var(--green);
}

.product-pcb-page .section-intro {
  max-width: 1512px;
  margin: 28px auto 0;
  color: var(--body);
  font-size: 18px;
  line-height: 27px;
  text-align: center;
}

.product-pcb-page .pcb-stack {
  padding: 77px 0 55px;
}

.product-pcb-page .layer-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  max-width: 1220px;
  margin: 47px auto 0;
}

.product-pcb-page .layer-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 18px 21px 18px 27px;
  color: var(--ink);
  font-size: 24px;
  font-weight: 700;
  line-height: 30px;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
}

.product-pcb-page .layer-tab.is-active,
.product-pcb-page .layer-tab:hover,
.product-pcb-page .layer-tab:focus {
  border-color: var(--green);
  background: var(--green);
  color: #ffffff;
}

.product-pcb-page .stack-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.38fr) minmax(0, 0.62fr);
  align-items: start;
  gap: 82px;
  margin-top: 86px;
}

.product-pcb-page .stack-copy {
  justify-self: end;
  width: calc(100% + 20px);
  padding-top: 177px;
}

.product-pcb-page .stack-copy h2 {
  color: var(--ink);
  font-family: "Outfit", Arial, sans-serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.25;
}

.product-pcb-page .stack-copy h2 strong {
  color: var(--green);
  font-weight: inherit;
}

.product-pcb-page .stack-copy p {
  max-width: 540px;
  margin-top: 35px;
  color: var(--body);
  font-size: 18px;
  line-height: 27px;
}

.product-pcb-page .layer-actions {
  display: flex;
  gap: 15px;
  margin-top: 83px;
}

.product-pcb-page .round-control {
  display: flex;
  inline-size: 42px;
  block-size: 42px;
  align-items: center;
  justify-content: center;
  border: 1.5px solid #109321;
  border-radius: 50%;
  color: #23a948;
  font-size: 22px;
  line-height: 1;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.product-pcb-page .round-control .iconfont {
  font-size: 26px;
  line-height: 1;
  -webkit-text-stroke: 1px currentColor;
}

.product-pcb-page .round-control:hover,
.product-pcb-page .round-control:focus-visible {
  background: #23a948;
  color: #ffffff;
}

.product-pcb-page .stack-diagram {
  display: flex;
  flex-direction: column;
  gap: 5.25px;
  width: calc(100% + 42px);
  max-width: 989px;
  margin: 9px 0 0 auto;
  padding: 0 18px;
}

.product-pcb-page .stack-row {
  display: flex;
  align-items: center;
  padding: 5px 18px 5px 14px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  line-height: 18px;
}

.product-pcb-page button.stack-row {
  width: 100%;
  border: 0;
  text-align: left;
  cursor: pointer;
  transition: box-shadow 0.2s ease, filter 0.2s ease;
}

.product-pcb-page button.stack-row:hover {
  filter: brightness(0.97);
}

.product-pcb-page button.stack-row:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.product-pcb-page .stack-row.mask {
  background: #356b50;
  color: #ffffff;
}

.product-pcb-page .stack-row.is-bottom-mask {
  font-size: 20px;
  line-height: 30px;
}

.product-pcb-page .stack-row.copper {
  background: #d8884c;
}

.product-pcb-page .stack-row.core {
  background: #cab888;
}

.product-pcb-page .stack-row.prepreg {
  padding-bottom: 7px;
  background:
    repeating-linear-gradient(45deg, rgba(188, 165, 116, 0.36) 0 6px, rgba(255, 255, 255, 0.65) 6px 12px),
    #eee5d5;
}

.product-pcb-page .stack-row.is-highlight {
  margin: 0 -18px;
  padding: 14px 18px 13px 30px;
  box-shadow: 0 5px 18px rgba(96, 56, 19, 0.28);
}

.product-pcb-page .pcb-tables {
  padding: 43px 0 173px;
}

.product-pcb-page .pcb-tables .pcb-container {
  max-width: 1680px;
}

.product-pcb-page .table-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  min-width: 0;
}

.product-pcb-page .table-block {
  min-width: 0;
}

.product-pcb-page .table-block h2 {
  margin-bottom: 11px;
  color: var(--ink);
  font-family: "Orbitron", sans-serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 54px;
}

.product-pcb-page .table-block h2 span {
  color: var(--green);
}

.product-pcb-page .responsive-table {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--line) transparent;
  scrollbar-width: thin;
  touch-action: pan-x pan-y;
  cursor: grab;
}

.product-pcb-page .responsive-table:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.product-pcb-page .responsive-table.is-dragging {
  cursor: grabbing;
  user-select: none;
  touch-action: none;
}

.product-pcb-page table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.product-pcb-page .pcb-tables table {
  min-height: 306px;
}

.product-pcb-page th,
.product-pcb-page td {
  border: 1px solid var(--line);
  padding: 21px 24px;
  text-align: center;
  vertical-align: middle;
}

.product-pcb-page .pcb-tables th,
.product-pcb-page .pcb-tables td {
  padding: 10px 24px;
}

.product-pcb-page thead th {
  background: var(--green);
  color: #ffffff;
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
}

.product-pcb-page .pcb-tables thead th {
  padding-top: 13px;
  padding-bottom: 13px;
  height: 60px;
}

.product-pcb-page tbody th {
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 28px;
}

.product-pcb-page .pcb-tables tbody th,
.product-pcb-page .pcb-tables tbody td {
  text-transform: capitalize;
}

.product-pcb-page .pcb-tables .table-block:first-child tbody td {
  padding-right: 34px;
  padding-left: 34px;
}

.product-pcb-page .pcb-tables .table-block:nth-child(2) tbody th {
  padding-right: 12px;
  padding-left: 12px;
}

.product-pcb-page tbody td {
  color: var(--ink);
  font-size: 16px;
  font-weight: 400;
  line-height: 20px;
}

.product-pcb-page tbody tr:nth-child(even) th,
.product-pcb-page tbody tr:nth-child(even) td {
  background: var(--soft-row);
}

.product-pcb-page .table-block table th:first-child {
  width: 31%;
}

.product-pcb-page .pcb-advantages {
  background: var(--soft);
  padding: 88px 0 112px;
}

.product-pcb-page .pcb-advantages .pcb-container {
  max-width: 1684px;
}

.product-pcb-page .split-title {
  color: var(--ink);
}

.product-pcb-page .advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 31px;
  margin-top: 63px;
}

.product-pcb-page .advantage-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
  padding: 41px 33px 27px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.product-pcb-page .advantage-card:hover {
  border-color: #9fcfba;
  box-shadow: 0 14px 30px rgba(20, 54, 63, 0.1);
  transform: translateY(-4px);
}

.product-pcb-page .advantage-card img {
  display: block;
  inline-size: 50px;
  block-size: 50px;
  box-sizing: border-box;
  margin: 0 0 32px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.product-pcb-page .advantage-card:hover img {
  transform: translateY(-2px) scale(1.04);
}

.product-pcb-page .advantage-card h3 {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 20px;
  font-weight: 700;
  line-height: var(--product-card-title-line-height);
}

.product-pcb-page .advantage-card p {
  margin: 0;
  color: var(--body);
  font-size: 16px;
  font-weight: 400;
  line-height: 20px;
}

.product-pcb-page .pcb-triggers {
  padding: 84px 0 173px;
}

.product-pcb-page .pcb-triggers .pcb-container {
  max-width: 1684px;
}

.product-pcb-page .trigger-kicker {
  font-size: 32px;
  font-weight: 700;
  line-height: 64px;
  text-align: center;
}

.product-pcb-page .pcb-triggers .section-title {
  margin-top: 13px;
  color: var(--ink);
  font-weight: 700;
  font-size: 42px;
  line-height: 58px;
}

.product-pcb-page .trigger-table-wrap {
  margin-top: 57px;
}

.product-pcb-page .trigger-table .trigger-column {
  background: #ffffff;
}

.product-pcb-page .trigger-table .trigger-column--soft {
  background: var(--soft-row);
}

.product-pcb-page .trigger-table th:first-child {
  width: 16.8%;
}

.product-pcb-page .trigger-table th:nth-child(2),
.product-pcb-page .trigger-table td:nth-child(2),
.product-pcb-page .trigger-table th:nth-child(3),
.product-pcb-page .trigger-table td:nth-child(3) {
  width: 25.65%;
}

.product-pcb-page .trigger-table th:nth-child(4),
.product-pcb-page .trigger-table td:nth-child(4) {
  width: 31.9%;
}

.product-pcb-page .trigger-table th,
.product-pcb-page .trigger-table td {
  padding: 19px 22px;
}

.product-pcb-page .trigger-table thead th {
  padding-top: 6px;
  padding-bottom: 6px;
  height: 60px;
  font-size: 20px;
  line-height: 24px;
}

.product-pcb-page .trigger-table tbody th {
  background: transparent;
  font-size: 16px;
  line-height: 20px;
}

.product-pcb-page .trigger-table tbody td,
.product-pcb-page .trigger-table tbody tr:nth-child(even) th,
.product-pcb-page .trigger-table tbody tr:nth-child(even) td {
  background: transparent;
}

.product-pcb-page .trigger-table tbody th span {
  display: block;
  margin-top: 3px;
  font-weight: 400;
}

.product-pcb-page .trigger-table td {
  font-size: 16px;
  line-height: 20px;
}

.product-pcb-page .trigger-table td strong {
  font-weight: 700;
}

@media (max-width: 1440px) {
  .product-pcb-page {
    --product-title-line-height: 46px;
    --product-card-title-line-height: 30px;
  }

  .product-pcb-page .section-title {
    font-size: 34px;
  }

  .product-pcb-page .pcb-triggers .section-title {
    font-size: 36px;
    line-height: 50px;
  }

  .product-pcb-page .trigger-kicker {
    font-size: 28px;
    line-height: 42px;
  }

  .product-pcb-page .stack-copy h2 {
    font-size: 28px;
    line-height: 35px;
  }

  .product-pcb-page .table-block h2 {
    font-size: 22px;
    line-height: 42px;
  }
}

@media (max-width: 1200px) {
  .product-pcb-page .stack-layout,
  .product-pcb-page .table-pair {
    grid-template-columns: 1fr;
  }

  .product-pcb-page .stack-copy {
    width: 100%;
    min-width: 0;
    padding-top: 0;
  }

  .product-pcb-page .layer-actions {
    margin-top: 40px;
  }

  .product-pcb-page .stack-diagram {
    width: 100%;
    min-width: 0;
    margin: 0 auto;
  }

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

@media (max-width: 1108px) {
  .product-pcb-page {
    --product-title-line-height: 40px;
    --product-card-title-line-height: 28px;
  }

  .product-pcb-page .section-title,
  .product-pcb-page .pcb-triggers .section-title {
    font-size: 28px;
  }

  .product-pcb-page .trigger-kicker {
    font-size: 24px;
    line-height: 34px;
  }

  .product-pcb-page .section-intro,
  .product-pcb-page .stack-copy p {
    font-size: 17px;
    line-height: 26px;
  }

  .product-pcb-page .stack-copy h2 {
    font-size: 24px;
    line-height: 32px;
  }

  .product-pcb-page .table-block h2 {
    font-size: 20px;
    line-height: 30px;
  }

  .product-pcb-page .layer-tab {
    font-size: 20px;
    line-height: 26px;
  }

  .product-pcb-page .pcb-tables thead th,
  .product-pcb-page .trigger-table thead th {
    font-size: 18px;
    line-height: 24px;
  }

  .product-pcb-page .advantage-card h3 {
    font-size: 19px;
    line-height: 26px;
  }

  .product-pcb-page .advantage-card p {
    line-height: 22px;
  }

  .product-pcb-page .trigger-table-wrap {
    overscroll-behavior-inline: contain;
    scrollbar-color: var(--line) transparent;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  .product-pcb-page .trigger-table-wrap::-webkit-scrollbar {
    height: 8px;
  }

  .product-pcb-page .trigger-table-wrap::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background: var(--line);
  }

  .product-pcb-page .pcb-tables table {
    width: max-content;
    min-width: max(100%, 540px);
    table-layout: auto;
    min-height: 0;
    height: auto;
  }

  .product-pcb-page .trigger-table {
    width: max-content;
    min-width: max(100%, 920px);
    table-layout: auto;
  }

  .product-pcb-page .pcb-tables thead th,
  .product-pcb-page .trigger-table thead th {
    height: auto;
    min-height: 48px;
    padding-top: 12px;
    padding-bottom: 12px;
    line-height: 1.35;
    white-space: normal;
    overflow-wrap: break-word;
    word-break: normal;
  }

  .product-pcb-page .pcb-tables th,
  .product-pcb-page .pcb-tables td,
  .product-pcb-page .trigger-table th,
  .product-pcb-page .trigger-table td {
    overflow-wrap: break-word;
    word-break: normal;
  }
}

@media (max-width: 852px) {
  .product-pcb-page {
    --product-title-line-height: 32px;
    --product-card-title-line-height: 26px;
  }

  .product-pcb-page .section-title,
  .product-pcb-page .pcb-triggers .section-title,
  .product-pcb-page .stack-copy h2 {
    font-size: 20px;
  }

  .product-pcb-page .trigger-kicker {
    font-size: 18px;
    line-height: 26px;
  }

  .product-pcb-page .section-intro,
  .product-pcb-page .stack-copy p {
    font-size: 16px;
    line-height: 24px;
  }

  .product-pcb-page .layer-tab {
    padding: 14px 18px;
    font-size: 18px;
    line-height: 24px;
  }

  .product-pcb-page .table-block h2 {
    font-size: 20px;
    line-height: 28px;
  }

  .product-pcb-page .pcb-tables thead th,
  .product-pcb-page .trigger-table thead th {
    font-size: 16px;
    line-height: 22px;
  }

  .product-pcb-page .pcb-tables tbody th,
  .product-pcb-page .pcb-tables tbody td,
  .product-pcb-page .trigger-table tbody th,
  .product-pcb-page .trigger-table tbody td {
    font-size: 16px;
    line-height: 22px;
  }

  .product-pcb-page .advantage-card h3 {
    font-size: 18px;
    line-height: 24px;
  }

  .product-pcb-page .advantage-card p {
    font-size: 16px;
    line-height: 22px;
  }

  .product-pcb-page .stack-row,
  .product-pcb-page .stack-row.is-bottom-mask {
    font-size: 16px;
    line-height: 18px;
  }
}

@media (max-width: 768px) {
  .product-pcb-page .pcb-container {
    padding: 0 18px;
  }

  .product-pcb-page .pcb-stack,
  .product-pcb-page .pcb-tables,
  .product-pcb-page .pcb-advantages,
  .product-pcb-page .pcb-triggers {
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .product-pcb-page .layer-tabs {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 32px;
  }

  .product-pcb-page .stack-layout {
    gap: 44px;
    margin-top: 46px;
  }

  .product-pcb-page .stack-diagram {
    padding: 0;
  }

  .product-pcb-page .stack-row.is-highlight {
    margin: 0;
  }

  .product-pcb-page .advantages-grid {
    grid-template-columns: 1fr;
    margin-top: 42px;
  }

  .product-pcb-page .advantage-card {
    padding: 34px 26px;
  }

  .product-pcb-page .advantage-card img {
    margin-bottom: 24px;
  }

  .product-pcb-page .advantage-card h3 {
    margin: 0 0 12px;
  }

  .product-pcb-page .advantage-card p {
    margin: 0;
  }

  .product-pcb-page .trigger-table-wrap {
    margin-top: 40px;
  }

  .product-pcb-page .pcb-tables th,
  .product-pcb-page .pcb-tables td,
  .product-pcb-page .trigger-table th,
  .product-pcb-page .trigger-table td {
    padding: 16px 18px;
  }
}

@media (max-width: 575px) {
  .product-pcb-page .pcb-container {
    padding-right: 14px;
    padding-left: 14px;
  }

  .product-pcb-page .pcb-stack,
  .product-pcb-page .pcb-tables,
  .product-pcb-page .pcb-advantages,
  .product-pcb-page .pcb-triggers {
    padding-top: 40px;
    padding-bottom: 48px;
  }

  .product-pcb-page .responsive-table::-webkit-scrollbar {
    height: 8px;
  }

  .product-pcb-page .responsive-table::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background: var(--line);
  }

  .product-pcb-page .pcb-tables table {
    min-width: max(100%, 480px);
  }

  .product-pcb-page .trigger-table {
    min-width: max(100%, 760px);
  }

  .product-pcb-page .round-control {
    inline-size: 38px;
    block-size: 38px;
  }

  .product-pcb-page .round-control .iconfont {
    font-size: 22px;
  }
}

@media (max-width: 389px) {
  .product-pcb-page .trigger-kicker {
    font-size: 16px;
    line-height: 22px;
  }

  .product-pcb-page .section-intro,
  .product-pcb-page .stack-copy p,
  .product-pcb-page .advantage-card p {
    font-size: 14px;
    line-height: 21px;
  }

  .product-pcb-page .table-block h2,
  .product-pcb-page .advantage-card h3 {
    font-size: 18px;
    line-height: 24px;
  }

  .product-pcb-page .layer-tab {
    padding: 12px 16px;
    font-size: 16px;
    line-height: 22px;
  }

  .product-pcb-page .pcb-tables thead th,
  .product-pcb-page .trigger-table thead th {
    font-size: 15px;
    line-height: 20px;
  }

  .product-pcb-page .pcb-tables tbody th,
  .product-pcb-page .pcb-tables tbody td,
  .product-pcb-page .trigger-table tbody th,
  .product-pcb-page .trigger-table tbody td,
  .product-pcb-page .stack-row,
  .product-pcb-page .stack-row.is-bottom-mask {
    font-size: 14px;
    line-height: 20px;
  }

  .product-pcb-page .round-control {
    inline-size: 36px;
    block-size: 36px;
  }

  .product-pcb-page .round-control .iconfont {
    font-size: 20px;
  }
}
.product-page--multilayer .solution-item__head,
.product-page--multilayer .faq-item > button,
.product-page--multilayer .application-tab {
  border: 0;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

/* 客户 #19：轮播当前选中项加主题绿边框（与 hover 样式协调） */
.product-page--multilayer .product-swiper .swiper-slide-active .product-card__media {
  border-color: var(--page-green, #008c11);
  box-shadow: 0 14px 30px rgba(22, 52, 58, 0.08);
}

.product-page--multilayer .product-swiper .swiper-slide-active .product-card__name {
  color: var(--page-green, #008c11);
}

.product-page--multilayer .solution-item__head,
.product-page--multilayer .faq-item > button {
  width: 100%;
}

/* Blog cards use one responsive media frame regardless of the source image ratio. */
.product-page--multilayer .article-swiper .swiper-slide {
  display: flex;
  height: auto;
}

.product-page--multilayer .article-card {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  flex-direction: column;
  overflow: hidden;
}

.product-page--multilayer .article-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  object-position: center;
}

.product-page--multilayer .article-card span {
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .product-page--multilayer .article-card img {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 575px) {
  .product-page--multilayer .article-card img {
    aspect-ratio: 4 / 3;
  }
}

/* FAQ fidelity: the accessible button keeps the spacing and visual rhythm from the design. */
.product-page--multilayer .product-faq {
  padding-top: 82px;
  padding-bottom: 168px;
}

.product-page--multilayer .product-faq .section-heading {
  max-width: 940px;
  margin-inline: auto;
}

.product-page--multilayer .product-faq .section-heading p {
  max-width: 820px;
  margin-inline: auto;
}

.product-page--multilayer .product-faq .faq-list {
  margin-top: 72px;
}

.product-page--multilayer .faq-item > button {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  min-height: 120px;
  padding: 39.5px 20px 39.5px 39px;
  background: transparent;
  color: inherit;
  transition: padding 260ms ease, color 260ms ease, background-color 260ms ease;
}

.product-page--multilayer .faq-item.is-open > button {
  padding-bottom: 29.5px;
}

.product-page--multilayer .faq-item > button span {
  font-size: 24px;
  line-height: 40px;
  font-weight: 400;
  color: var(--page-text);
  text-transform: capitalize;
  transition: color 260ms ease;
}

.product-page--multilayer .faq-item > button em {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 50px;
  block-size: 28px;
  border: 1px solid var(--page-border-green);
  border-radius: 999px;
  color: var(--page-green);
  font-family: Arial, sans-serif;
  font-size: 24px;
  font-style: normal;
  font-weight: 700;
  line-height: 1;
  transition: background-color 260ms ease, border-color 260ms ease, color 260ms ease, transform 260ms ease;
}

.product-page--multilayer .faq-item:not(.is-open) > button em {
  border-color: var(--page-green);
  background: var(--page-green);
  color: #fff;
}

.product-page--multilayer .faq-item.is-open > button span {
  color: var(--page-green);
  font-weight: 700;
}

.product-page--multilayer .faq-item.is-open > button em {
  color: var(--page-green);
  transform: rotate(180deg);
}

.product-page--multilayer .faq-item p {
  padding-right: 110px;
  padding-bottom: 59px;
  padding-left: 39px;
}

@media (max-width: 960px) {
  .product-page--multilayer .product-faq {
    padding-top: 64px;
    padding-bottom: 112px;
  }

  .product-page--multilayer .product-faq .faq-list {
    margin-top: 52px;
  }

  .product-page--multilayer .faq-item > button {
    min-height: 96px;
    padding: 28px 20px;
  }

  .product-page--multilayer .faq-item > button span {
    font-size: 20px;
    line-height: 30px;
  }

  .product-page--multilayer .faq-item p {
    padding: 0 72px 40px 20px;
  }
}

@media (max-width: 575px) {
  .product-page--multilayer .product-faq {
    padding-top: 48px;
    padding-bottom: 88px;
  }

  .product-page--multilayer .product-faq .faq-list {
    margin-top: 38px;
  }

  .product-page--multilayer .faq-item > button {
    grid-template-columns: minmax(0, 1fr) 32px;
    gap: 16px;
    min-height: 82px;
    padding: 24px 14px;
  }

  .product-page--multilayer .faq-item > button span {
    font-size: 17px;
    line-height: 26px;
  }

  .product-page--multilayer .faq-item > button em {
    inline-size: 32px;
    block-size: 26px;
    font-size: 18px;
  }

  .product-page--multilayer .faq-item p {
    padding: 0 14px 30px;
    font-size: 15px;
    line-height: 25px;
  }
}

/* §3.4 图14 — multilayer Capabilities 与共享区块同一套上下等距。
 * 只声明本页 padding,避免再叠一层不对称补丁。 */
.product-page--multilayer .product-capabilities__content {
  padding-top: 56px;
  padding-bottom: 56px;
}

.product-page--multilayer .product-capabilities__eyebrow {
  margin-bottom: 20px;
}

@media (min-width: 1281px) and (max-width: 1440px) {
  .product-pcb-page {
    overflow-x: clip;
  }

  .product-pcb-page .pcb-container,
  .product-pcb-page .pcb-tables .pcb-container,
  .product-pcb-page .pcb-advantages .pcb-container,
  .product-pcb-page .pcb-triggers .pcb-container {
    max-width: min(1248px, 100%);
    box-sizing: border-box;
  }

  .product-pcb-page .stack-copy,
  .product-pcb-page .stack-diagram {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }
}