.faq-section {
  /* background-color: rgba(var(--color-background)); */
  background: #141414;
}

.faq-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0;
  width: 100%;
  padding-bottom: 40px;
}

.faq-title {
  text-transform: uppercase;
  font-family: Inter-SemiBold, Inter;
  font-weight: 500;
  font-size: 80px;
  color: #FFFFFF;
  line-height: 1.1;
  text-align: left;
  font-style: normal;
  text-transform: none;

}

.faq-subtitle { 
  max-width: 300px;
  text-align: right;
  line-height: 1.4;
  font-family: Inter-Medium, Inter;
  font-weight: 500;
  font-size: 20px;
  color: #7F7F7F;
  line-height: 24px;
  text-align: right;
  font-style: normal;
  text-transform: none;
}

.page-width{
  margin-left: auto;
  margin-right: auto;
  max-width: 1440px;
  gap: 0px;
  padding-left: 0px;
  padding-right: 0px;
}

.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;
}

.faq-collapse-panel__num{
  width: 200px; 
  font-family: Inter-Medium, Inter;
  font-weight: 500;
  font-size: 18px;
  color: #FFFFFF;
  line-height: 22px;
  text-align: left;
  font-style: normal;
  text-transform: none;


  
}

@media (max-width: 959px) { 
  .page-width{ 
    padding-left: 20px; 
    padding-right: 20px; 
  }
  .faq-header{
    flex-wrap: wrap;
    padding-bottom: 20px;
  }
  .faq-title{
    width: 100%;
    font-size: 40px;
    line-height: 1.1;
  }
  .faq-collapse-panel__num{
    width: 100%;
  }
  .faq-subtitle{
    width: 100%;
    font-size: 16px; 
    display: none;
  }
  .faq-image.low {
    height: 320px;
  }

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

.faq-collapse-panel {
  display: block;
  width: 100%;
  border-block-start: 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;
  padding: 20px 0;
}

@media (max-width: 959px) {
  .faq-collapse-panel summary {
    padding: 12px 0;
    flex-wrap: wrap;
  }
}

.faq-collapse-panel__title {
  display: flex;
  flex: 1;
  align-items: center;
 
font-family: Inter-Medium, Inter;
font-weight: 500;
font-size: 30px;
color: #FFFFFF;
line-height: 1.1;
text-align: left;
font-style: normal;
text-transform: none;
}

.faq-collapse-panel__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  overflow: hidden;
}

.faq-collapse-panel__icon svg {
  color: rgb(var(--color-text));
}

.faq-collapse-panel__fold {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin: auto;
  overflow: hidden;
}

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

details .faq-collapse-panel__fold.open {
  display: flex;
}

details[open] .faq-collapse-panel__fold.open {
  display: none;
}

details .faq-collapse-panel__fold.close {
  display: none;
}

details[open] .faq-collapse-panel__fold.close {
  display: flex;
  transition: transform 200ms ease-in-out;
  transform: rotate(135deg);
}

.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: 0px;
    padding-block-end: 1px;
    margin-block-end: 20px;
    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);
    font-family: Inter-Medium, Inter;
    display: flex;
    max-width: calc(100% - 220px);
    margin-left: auto;
    margin-right: 0;
}

.faq-collapse-panel__content .text{
  width: 50%;
  padding-right: 80px;
}

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);
}

.faq-section[layout] .faq-collapse-panel {
  padding-inline: 20px;
}
.faq-collapsible-group {
   border-top: 1px solid #fff;
}
.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-collapse-panel__content{
    flex-direction: column;
    width: 100%;
    max-width: 100%;
  }
  
  .faq-collapse-panel__content .text{
    max-width: 100%;
  }

  .faq-collapse-panel__title{
    font-size: 24px;
  }

}

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

.faq-section .block-heading {
  flex-shrink: 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;
  }
}

@media screen and (max-width:999px) {
  .faq-collapse-panel__fold{
    width: 25px;
    height: 25px;
  }
}


/* 多媒体容器 */
.faq-collapse-panel__media { 
  width: 50%;
}

/* 图片画廊 */
.faq-media-gallery {
  width: 100%;
  margin-bottom: var(--media-spacing, 16px);
}

.faq-media-gallery:last-child {
  margin-bottom: 0;
}

/* 网格布局 */
.faq-media-gallery__grid {
  display: grid;
  gap: var(--media-spacing, 16px);
  width: 100%;
}

/* 布局变体 */
.faq-media-gallery--images .faq-media-gallery__grid {
  grid-template-columns: repeat(1, 1fr);
}

.faq-media-gallery__item--grid-1 {
  grid-column: 1 / -1;
}

.faq-media-gallery__item--grid-2 {
  grid-column: span 1;
}

@media (min-width: 769px) {
  .faq-media-gallery__item--grid-2:nth-child(odd):last-child:nth-child(even + 1) {
    grid-column: 1 / -1;
  }
}

.faq-media-gallery__item--grid-3 {
  grid-column: span 1;
}

/* 视频项 */
.faq-media-gallery__item--video {
  grid-column: 1 / -1;
}

/* 单个媒体项 */
.faq-media-item {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background-color: rgba(128, 128, 128, 0.1);
}

.faq-media-item__wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
}

.faq-media-item__image {
  display: block;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.faq-media-item:hover .faq-media-item__image {
  transform: scale(1.02);
  opacity: 0.95;
}

/* 图片标题 */
.faq-media-item__caption {
  padding: 12px 16px 0;
  font-size: 14px;
  line-height: 1.4;
  color: rgba(var(--color-text), 0.7);
  text-align: left;
}

/* 视频容器 */
.faq-media-video {
  position: relative;
  width: 100%;
}

.faq-media-video__wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 比例 */
  overflow: hidden;
  border-radius: 8px;
  background-color: #000;
}

.faq-media-video__iframe,
.faq-media-video__native {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.faq-media-video__native {
  object-fit: contain;
  background-color: #000;
}

/* 视频标题 */
.faq-media-video__title {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.4;
  color: rgba(var(--color-text), 0.7);
  font-weight: 500;
}

/* ============================================
   响应式优化 - Responsive Breakpoints
   ============================================ */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
  .faq-media-gallery--images .faq-media-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .faq-media-gallery__item--grid-3 {
    grid-column: span 1;
  }
  
  .faq-collapse-panel__media {
    margin-top: 20px;
  }
}

/* 手机横屏 (<768px) */
@media (max-width: 768px) and (orientation: landscape) {
  .faq-media-gallery--images .faq-media-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .faq-media-gallery__item--grid-3 {
    grid-column: span 1;
  }
  
  .faq-media-item__wrapper {
    aspect-ratio: 16 / 9;
  }
  
  .faq-media-video__wrapper {
    padding-bottom: 56.25%;
  }
}

/* 手机竖屏 (<768px) */
@media (max-width: 768px) and (orientation: portrait) {
  .faq-media-gallery--images .faq-media-gallery__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .faq-media-gallery__item--grid-1,
  .faq-media-gallery__item--grid-2,
  .faq-media-gallery__item--grid-3 {
    grid-column: 1 / -1;
  }
  
  .faq-collapse-panel__media {
    margin-top: 20px;
  }
  
  .faq-media-item__caption,
  .faq-media-video__title {
    font-size: 13px;
    padding: 10px 12px 0;
  }
}

/* 超小屏手机 (<480px) */
@media (max-width: 480px) {
  .faq-collapse-panel__media {
    margin-top: 16px;
  }
  
  .faq-media-gallery__grid {
    gap: 12px;
  }
  
  .faq-media-item__wrapper {
    aspect-ratio: 4 / 3;
  }
  
  .faq-media-video__wrapper {
    padding-bottom: 75%; /* 4:3 比例，更适合移动端 */
  }
}

/* ============================================
   性能优化与可访问性
   ============================================ */

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .faq-media-item__image {
    transition: none;
  }
  
  .faq-media-item:hover .faq-media-item__image {
    transform: none;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .faq-media-item {
    border: 2px solid currentColor;
  }
  
  .faq-media-item__caption,
  .faq-media-video__title {
    opacity: 1;
    font-weight: 600;
  }
}

/* 打印样式 */
@media print {
  .faq-collapse-panel__media {
    display: none;
  }
  
  .faq-media-video__iframe,
  .faq-media-video__native {
    display: none;
  }
}