.main-article-container {
  background-color: rgb(var(--color-background));
}
.main-article__title {
  padding-block-end: 20px;
}
.main-article__cover-image {
  aspect-ratio: var(--aspect-ratio);
  margin-block-end: 20px;
  overflow: hidden;
  border-radius: var(--border-radius);
}
.main-article__cover-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main-article__info {
  display: flex;
  gap: 10px;
  padding-block-end: 20px;
  margin-block-end: 20px;
  color: rgb(var(--color-light-text));
  border-block-end: 1px solid rgb(221 221 221 / 100%);
}
.main-article__button-back {
  padding-block-end: 40px;
}
.main-article__button-back svg {
  transform: rotate(90deg);
}
.main-article__content {
  padding-block: 40px;
}
.main-article__comment-title {
  padding-block: 40px;
}
.main-article__comment-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-block-end: 40px;
}
.main-article__comment-item {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 30px;
  border: 1px solid #ddd;
  border-radius: 4px;
}
.main-article__comment-info {
  display: flex;
  gap: 52px;
  justify-content: end;
}
.main-article__comment-fields {
  display: flex;
  gap: 20px;
}
.main-article .text-area + .field__label {
  inset-block-start: 20px;
}
.main-article blockquote {
  margin: 1.5em 0;
  padding: 0.5em 1.5em;
  border-left: 4px solid #e5e5e5;
  color: #666;
  background-color: #f9f9f9;
}
.main-article__share {
  padding-block: 40px 80px;
}
.main-article__comment-submit {
  display: flex;
  justify-content: center;
}
.main-article__comment-form {
  padding-block-start: 40px;
}
.main-article__comment-form-title {
  margin-block-end: 40px;
}
.main-article__comment-tip {
  padding-block: 40px;
}
.main-article .field__info {
  padding-block-end: 40px;
}
@media (max-width: 959px) {
  .main-article__content {
    margin-block-end: 20px;
  }

  .main-article__share {
    margin-block-end: 40px;
  }

  .main-article__comment-title {
    margin-block-end: 20px;
  }

  .main-article__comment-content {
    padding: 0;
  }

  .main-article__comment-form-title {
    margin-block-end: 20px;
  }

  .main-article__comment-fields {
    display: block;
  }

  .main-article__comment-tip {
    padding-block-start: 20px;
  }
}

/* --- 导航容器核心样式 --- */
#toc-container {
  background: #f9f9f9;
  border-radius: 8px;
  overflow: hidden; /* 必须：隐藏动画过程中溢出的内容 */
  height: 0; /* 初始高度为0，防止占位 */
  opacity: 0; /* 初始透明 */
  transition:
    height 0.4s ease-out,
    opacity 0.4s ease-in; /* 核心动画 */
  margin-bottom: 0; /* 初始无间距 */
}

/* 激活状态（JS添加此列） */
#toc-container.is-visible {
  opacity: 1;
  border: 1px solid #ddd; /* 展开后显示边框 */
  padding-left: 20px;
  padding-top: 20px;
}

/* 列表样式 */
.toc-list {
  padding: 20px;
  margin: 0;
  list-style: none;
}
.toc-list li {
  margin-bottom: 8px;
}
.toc-list a {
  text-decoration: underline;
  color: #333;
  font-size: 14px;
  display: block;
  padding: 5px 10px;
  border-radius: 4px;
  transition: background 0.2s;
}
.toc-list a:hover {
  background: #e0e0e0;
}

/* TODO: 暂时兼容旧版h2 a链接后续运营调整完后删除 */
.main-article-container h2 a,
.main-article-container h2 a:hover {
  text-decoration: none;
}

.main-article-container h2 a {
  pointer-events: none;
}

.text-sale {
  color: rgb(var(--color-sale));
}

/* --- 作者区块 --- */
.main-article__author {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  padding-block: 40px;
  color: rgba(var(--color-text));
}
.main-article__author-avatar-wrapper {
  flex: none;
  width: 120px;
  height: 120px;
  overflow: hidden;
  background-color: rgb(243 243 243 / 100%);
  border-radius: 9999px;
}
.main-article__author-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main-article__author-avatar--placeholder {
  padding: 24px;
  color: rgba(var(--color-light-text));
}
.main-article__author-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.main-article__author-name {
  color: rgba(var(--color-text));
}
.main-article__author-bio {
  color: rgba(var(--color-light-text));
}

/* === 右侧栏：PC sticky，M 自然流 === */
.main-article__right {
  flex: 0 0 var(--right-width, 280px);
  min-width: 0;
}

@media (min-width: 960px) {
  .main-article__right--sticky {
    position: sticky;
    top: 80px;
    align-self: flex-start;
    /* 内容超出视口高度时允许内部滚动,避免被 sticky 裁切后看不到 */
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    /* 滚动条样式:窄、浮动、不抢布局;默认仅在滚动时显示 */
    scrollbar-width: thin;
    scrollbar-color: rgb(var(--color-entry-line)) transparent;
  }

  .main-article__right--sticky::-webkit-scrollbar {
    width: 6px;
  }

  .main-article__right--sticky::-webkit-scrollbar-thumb {
    background-color: rgb(var(--color-entry-line));
    border-radius: 9999px;
  }

  .main-article__right--sticky::-webkit-scrollbar-track {
    background-color: transparent;
  }
}

@media (max-width: 959px) {
  .main-article__right--sticky {
    width: 100%;
  }
}

/* === 左侧主区：占满剩余空间 === */
.main-article__left {
  flex: 1 1 auto;
  min-width: 0;
}

/* === Metafield products: 列向列表，PC 图左文右（覆盖默认 column） === */
.main-article__metafield-products {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-article__metafield-products .predictive-search__result-item {
  white-space: normal;
}

.main-article__metafield-product {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  color: rgb(var(--color-text));
  text-decoration: none;
}

@media (max-width: 959px) {
  .main-article__metafield-product {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
}

.main-article__metafield-product .predictive-search__product-image-wrap {
  flex: 0 0 96px;
  width: 96px;
  height: 96px;
}

.main-article__metafield-product .predictive-search__product-image {
  width: 100%;
  height: 100%;
}

/* === Metafield articles: 紧凑博客卡片 === */
.main-article__metafield-articles {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-article__metafield-article-card {
  display: flex;
  gap: 12px;
  align-items: center;
  color: rgb(var(--color-text));
  text-decoration: none;
}

.main-article__metafield-article-card:hover {
  opacity: 0.8;
}

.main-article__metafield-article-card-image {
  flex: 0 0 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  overflow: hidden;
  background-color: rgb(243 243 243 / 100%);
  border-radius: 4px;
}

.main-article__metafield-article-card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-width: 0;
}

.main-article__metafield-article-card-title {
  display: -webkit-box;
  overflow: hidden;
  font-size: var(--body3-font-size);
  font-weight: 500;
  line-height: 1.5;
  color: rgb(var(--color-text));
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  white-space: normal;
  -webkit-box-orient: vertical;
}

.main-article__metafield-article-card-meta {
  font-size: var(--body4-font-size);
  opacity: 0.6;
}

/* === Metafield 区块通用标题 === */
.main-article__metafield-heading {
  margin-block-end: 12px;
  padding-block-end: 12px;
  font-size: var(--body2-font-size);
  font-weight: 600;
  text-transform: uppercase;
  color: rgb(var(--color-text));
  border-block-end: 1px solid rgb(var(--color-entry-line));
}

/* === 翻页 viewport：clip overflow + 平滑 transform === */
.main-article__metafield-pagination-viewport {
  overflow: hidden;
  position: relative;
}

.main-article__metafield-products,
.main-article__metafield-articles {
  transition: transform 0.35s ease;
  will-change: transform;
}

/* === 翻页控件：上下箭头 + 当前/总页 === */
.main-article__metafield-pagination-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding-block-start: 12px;
  margin-block-start: 12px;
  border-block-start: 1px solid rgb(var(--color-entry-line));
}

.main-article__metafield-pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  cursor: pointer;
  color: rgb(var(--color-text));
  background: transparent;
  border: 1px solid rgb(var(--color-entry-line));
  border-radius: 9999px;
  transition:
    opacity 0.2s,
    background-color 0.2s;
}

.main-article__metafield-pagination-btn:hover:not(:disabled) {
  background-color: rgb(var(--color-background));
}

.main-article__metafield-pagination-btn:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.main-article__metafield-pagination-icon {
  display: inline-block;
  width: 14px;
  height: 14px;
}

/* 基础 icons/arrow 默认指向右,这里旋转出上/下两个方向 */
.main-article__metafield-pagination-icon.is-up {
  transform: rotate(-90deg);
}

.main-article__metafield-pagination-icon.is-down {
  transform: rotate(90deg);
}

.main-article__metafield-pagination-text {
  font-size: var(--body4-font-size);
  color: rgb(var(--color-text));
  font-variant-numeric: tabular-nums;
}

.main-article__metafield-pagination-divider {
  margin-inline: 4px;
  opacity: 0.5;
}

/* === Products 移动端布局变体（仅当区块配置为 grid / scroll 时生效） === */
@media (max-width: 959px) {
  /* 2 列网格 */
  .main-article__metafield-products--layout-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
    row-gap: 16px;
  }

  .main-article__metafield-products--layout-grid
    .predictive-search__result-item {
    width: 100%;
  }

  .main-article__metafield-products--layout-grid
    .main-article__metafield-product {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .main-article__metafield-products--layout-grid
    .predictive-search__product-image-wrap {
    flex: 0 0 auto;
    width: 100%;
    aspect-ratio: 1 / 1;
    height: auto;
  }

  .main-article__metafield-products--layout-grid
    .predictive-search__product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* 左右滚动 */
  .main-article__metafield-products--layout-scroll {
    display: flex;
    flex-direction: row;
    gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-block-end: 4px;
  }

  .main-article__metafield-products--layout-scroll::-webkit-scrollbar {
    display: none;
  }

  .main-article__metafield-products--layout-scroll
    .predictive-search__result-item {
    flex: 0 0 calc((100% - 12px) / 2);
    scroll-snap-align: start;
  }

  .main-article__metafield-products--layout-scroll
    .main-article__metafield-product {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .main-article__metafield-products--layout-scroll
    .predictive-search__product-image-wrap {
    flex: 0 0 auto;
    width: 100%;
    aspect-ratio: 1 / 1;
    height: auto;
  }

  .main-article__metafield-products--layout-scroll
    .predictive-search__product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* === M 端禁用翻页:仅针对 products(articles 保留翻页) === */
  /* 通过 viewport 内子 <ul> 的类名区分 products vs articles,
     只压制 products 上下文的内联 height / overflow / transform / controls */
  .main-article__metafield-pagination-viewport:has(
    > ul.main-article__metafield-products
  ) {
    height: auto !important;
    overflow: visible !important;
  }

  .main-article__metafield-pagination-viewport:has(
      > ul.main-article__metafield-products
    )
    + main-article-metafield-pagination {
    display: none !important;
  }

  .main-article__metafield-products {
    transform: none !important;
  }
}