.faq-section {
  background-color: rgba(var(--color-background));
}

.faq-image {
  width: 100%;
  aspect-ratio: var(--aspect-ratio);
  overflow: hidden;
  border-radius: var(--border-radius, 12px);
}

.faq-image > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: opacity 300ms cubic-bezier(0.25, 0.4, 0.4, 0.95);
}

.faq-image.low {
  height: 250px;
}

.faq-image.high {
  height: 450px;
}

@media (max-width: 959px) {
  .faq-image.low {
    height: 320px;
  }

  .faq-image.high {
    height: 690px;
  }
}

/* =========================================================================
   Heading area (target: .pbmit-heading-subheading .pbmit-subtitle .pbmit-title .pbmit-heading-desc)
   ========================================================================= */
.faq-section__heading {
  margin-block-end: 40px;
}

.faq-section__heading.text-left {
  text-align: left;
}
.faq-section__heading.text-center {
  text-align: center;
}
.faq-section__heading.text-right {
  text-align: right;
}

.faq-section__heading .pbmit-subtitle {
  display: inline-block;
  position: relative;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: #4aab3d;
  margin: 0 0 14px 0;
  line-height: 1.4;
  padding-inline-start: 30px;
}
.faq-section__heading .pbmit-subtitle::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 2px;
  background-color: #4aab3d;
}
.faq-section__heading.text-center .pbmit-subtitle {
  margin-inline: auto;
}
.faq-section__heading.text-right .pbmit-subtitle {
  margin-inline: auto 0;
}

.faq-section__heading .pbmit-title {
  display: block;
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: #1a1a1a;
  margin: 0 0 18px 0;
}

.faq-section__heading .pbmit-heading-desc {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(var(--color-text), 0.7);
  max-width: 720px;
  margin: 0 auto;
}

.faq-section__heading.text-left .pbmit-heading-desc,
.faq-section__heading.text-right .pbmit-heading-desc {
  margin-inline: 0;
}

@media (max-width: 767px) {
  .faq-section__heading {
    margin-block-end: 28px;
  }
  .faq-section__heading .pbmit-title {
    font-size: 30px;
  }
  .faq-section__heading .pbmit-subtitle {
    font-size: 13px;
    letter-spacing: 1.8px;
    padding-inline-start: 24px;
  }
  .faq-section__heading .pbmit-subtitle::before {
    width: 14px;
  }
}

/* wow fadeInUp animation fallback (no JS) */
.faq-section__heading .pbmit-subtitle,
.faq-section__heading .pbmit-title,
.faq-section__heading .pbmit-heading-desc,
.faq-section__accordion {
  opacity: 0;
  transform: translate3d(0, 30px, 0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.faq-section__heading .pbmit-subtitle.is-visible,
.faq-section__heading .pbmit-title.is-visible,
.faq-section__heading .pbmit-heading-desc.is-visible,
.faq-section__accordion.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* =========================================================================
   Container override: 1520px max-width
   - page-width 容器自身保持 1520px 居中
   - 不在 page-width 上加 padding，避免 accordion 突破 padding 时居中错位
   - heading 单独保留 padding-inline（heading 不需要 1520px 全宽）
   ========================================================================= */
.faq-section > .page-width {
  max-width: 1520px;
  padding-inline: 0;
  margin: 0 auto;
}

.faq-section__heading {
  padding-inline: 20px;
}

@media (max-width: 1599px) {
  .faq-section > .page-width {
    max-width: 100%;
  }
  .faq-section__heading {
    padding-inline: 16px;
  }
}

/* =========================================================================
   Accordion panels (target: .accordion.style-3)
   - 现在 page-width 不再夹 padding，accordion 100% 宽度即为 1520px
   - max-width 保留 1520px，width: 100%，margin-inline: auto 居中
   ========================================================================= */
.faq-section__accordion {
  width: 100%;
  max-width: 1520px;
  margin-inline: auto;
}
@media (max-width: 959px) {
  .faq-section__accordion {
    max-width: 100%;
  }
}

/* 视口 < 1520px 时，accordion 至少保留 20px 左右内边距，
   避免内容贴到视口边缘 */
@media (max-width: 1519px) {
  .faq-section__accordion {
    padding-inline: 20px;
    box-sizing: border-box;
  }
}

.faq-collapse-panel {
  display: block;
  width: 100%;
  border-block-start: 1px solid rgba(var(--color-text), 0.08);
}

.faq-collapse-panel:last-child {
  border-block-end: 1px solid rgba(var(--color-text), 0.08);
}

.faq-collapse-panel summary + * {
  overflow: hidden;
}

.faq-collapse-panel summary {
  position: relative;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
}

.faq-collapse-panel summary::-webkit-details-marker {
  display: none;
}

@media (max-width: 959px) {
  .faq-collapse-panel summary {
    padding: 14px 0;
  }
}

.faq-collapse-panel__title-wrapper {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.faq-collapse-panel .pbmit-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 32px;
  height: auto;
  padding: 0;
  border-radius: 0;
  background: none;
  font-size: 18px;
  font-weight: 600;
  color: rgb(var(--color-text));
  transition: color 0.3s ease;
}

details[open] > summary .faq-collapse-panel .pbmit-number,
.faq-collapse-panel details[open] .pbmit-number {
  background: none;
  color: rgb(var(--color-text));
}

.faq-collapse-panel__title {
  display: block;
  flex: 1;
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: rgb(var(--color-heading, var(--color-text)));
  word-break: break-word;
}

@media (max-width: 767px) {
  .faq-collapse-panel__title {
    font-size: 16px;
  }
  .faq-collapse-panel .pbmit-number {
    min-width: 28px;
    font-size: 16px;
  }
}

.pbmit-accordion-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  color: rgb(var(--color-text));
  transition: color 0.3s ease;
}

.pbmit-accordion-icon-opened,
.pbmit-accordion-icon-closed {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.pbmit-accordion-icon-opened svg,
.pbmit-accordion-icon-closed svg {
  display: block;
  width: 12px;
  height: 12px;
}

details[open] .pbmit-accordion-icon-opened {
  display: flex;
}
details:not([open]) .pbmit-accordion-icon-opened {
  display: none;
}
details[open] .pbmit-accordion-icon-closed {
  display: none;
}
details:not([open]) .pbmit-accordion-icon-closed {
  display: flex;
}

.faq-collapse-panel__fold {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: rgb(var(--color-text));
}

.faq-collapse-panel details {
  flex: 1;
}

.faq-collapse-panel__collapse {
  --animation-expand-duration: 360ms;
  --animation-collapse-duration: 160ms;

  max-height: 0;
  overflow: hidden;
  animation: animation-faq-content-collapse var(--animation-collapse-duration)
    ease-in-out forwards;
}

details[open] + .faq-collapse-panel__collapse {
  max-height: none;
  animation: animation-faq-content-expand var(--animation-expand-duration)
    ease-in none;
}

.faq-collapse-panel__content {
  padding: 0 6px;
  padding-inline-start: 50px;
  padding-block-end: 1px;
  margin-block-end: 22px;
  overflow-x: auto;
  word-break: break-word;
  opacity: 0;
  transition:
    transform var(--animation-collapse-duration) ease-in
      var(--animation-expand-duration),
    opacity var(--animation-expand-duration) ease-in;
  transform: translateY(10px);
  color: rgba(var(--color-text), 0.78);
  font-size: 15px;
  line-height: 1.75;
}

@media (max-width: 767px) {
  .faq-collapse-panel__content {
    padding-inline-start: 40px;
  }
}

details[open] + .faq-collapse-panel__collapse > .faq-collapse-panel__content {
  opacity: 1;
  transition:
    transform var(--animation-expand-duration) ease-out,
    opacity var(--animation-expand-duration) ease-out 20ms;
  transform: translateY(0);
}

/* layout variants */
.faq-section[layout] .faq-collapse-panel {
  padding-inline: 20px;
}

.faq-section[layout="column"] .faq-collapse-panel {
  background-color: rgba(var(--container-background-color));
  border-block-start: 0;
  border-radius: 12px;
}

.faq-section[layout="column"] .faq-collapsible-group {
  gap: 20px;
}

@media (max-width: 959px) {
  .faq-section[layout="column"] .faq-collapsible-group {
    gap: 12px;
  }
}

.faq-section[layout="block"] .faq-collapsible-group {
  background-color: rgba(var(--container-background-color));
  border-radius: 12px;
  padding: 4px 24px;
}

.faq-section[layout="block"] .faq-collapse-panel {
  border-block-start: 1px solid rgba(var(--color-text), 0.08);
}

.faq-section[layout="block"] .faq-collapse-panel:first-child {
  border-block-start: 0;
}

@keyframes animation-faq-content-expand {
  from {
    max-height: 0;
  }

  to {
    max-height: 100vh;
  }
}

@keyframes animation-faq-content-collapse {
  0% {
    max-height: 100vh;
  }

  100% {
    max-height: 0;
  }
}

/* prefers-reduced-motion: skip animations */
@media (prefers-reduced-motion: reduce) {
  .faq-section__heading .pbmit-subtitle,
  .faq-section__heading .pbmit-title,
  .faq-section__heading .pbmit-heading-desc,
  .faq-section__accordion {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}