.page-products {
  --product-line: rgba(27, 58, 92, 0.14);
  --product-line-strong: rgba(27, 58, 92, 0.28);
  --product-gap: 28px;
  background: var(--snow);
  padding-bottom: 72px;
}

.page-products .breadcrumbs {
  padding-top: 24px;
  font-size: 14px;
  color: var(--rock);
  font-family: var(--font-body);
}

.page-products .breadcrumbs a {
  color: var(--sacred-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.24s var(--ease);
}

.page-products .breadcrumbs a:hover {
  border-color: var(--gold);
}

/* ===== Hero / 封面区 ===== */
.page-products .product-hero {
  padding: 40px 0 48px;
}

.page-products .product-hero__grid {
  display: grid;
  gap: var(--product-gap);
}

.page-products .product-hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.page-products .product-hero__version {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-products .product-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 7vw, 56px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--sacred-blue);
}

.page-products .product-hero__lead {
  margin-top: 14px;
  font-family: var(--font-head);
  font-size: clamp(17px, 3vw, 21px);
  color: var(--vermilion);
  letter-spacing: 0.04em;
}

.page-products .product-hero__desc {
  margin-top: 18px;
  max-width: 46em;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--rock);
}

.page-products .product-hero__toc-wrap {
  background: var(--oat);
  border-radius: var(--radius-lg);
  padding: 24px 26px 18px;
  align-self: start;
}

.page-products .product-hero__toc-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--sacred-blue);
}

.page-products .product-toc {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .product-toc__item {
  border-bottom: 1px solid var(--product-line);
}

.page-products .product-toc__item:last-child {
  border-bottom: none;
}

.page-products .product-toc__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 4px;
  color: var(--sacred-blue);
  text-decoration: none;
  transition: color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .product-toc__link:hover {
  color: var(--vermilion);
  transform: translateX(4px);
}

.page-products .product-toc__num {
  font-family: var(--font-head);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-products .product-toc__name {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
}

/* ===== 正文整体布局 ===== */
.page-products .product-body {
  display: grid;
  gap: 28px;
  margin-top: 8px;
}

/* ===== 侧边章节索引 ===== */
.page-products .product-aside {
  border-radius: var(--radius-lg);
  background: transparent;
}

.page-products .product-aside__label {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-products .product-aside__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 2px 12px;
  scrollbar-width: thin;
}

.page-products .product-aside__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  background: var(--snow);
  border: 1px solid var(--product-line);
  color: var(--sacred-blue);
  font-family: var(--font-body);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-products .product-aside__link:hover,
.page-products .product-aside__link[aria-current="true"] {
  background: var(--sacred-blue);
  border-color: var(--sacred-blue);
  color: var(--snow);
}

.page-products .product-aside__num {
  font-family: var(--font-head);
  font-size: 12px;
  color: var(--gold);
}

/* ===== 主内容列 ===== */
.page-products .product-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ===== 章节通用 ===== */
.page-products .product-chapter {
  border-radius: var(--radius-lg);
  background: var(--snow);
  border: 1px solid var(--product-line);
}

.page-products .product-chapter--oat {
  background: var(--oat);
  border-color: transparent;
}

.page-products .product-chapter--dark {
  background: var(--sacred-blue);
  border-color: transparent;
  color: var(--snow);
}

.page-products .product-chapter__frame {
  padding: 28px 24px 32px;
}

.page-products .product-chapter__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.page-products .product-chapter__head .chapter__number {
  font-family: var(--font-head);
  font-size: 44px;
  line-height: 1;
  color: var(--gold);
}

.page-products .product-chapter__titles .section-heading__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 4vw, 30px);
  color: var(--sacred-blue);
  line-height: 1.2;
}

.page-products .product-chapter--dark .section-heading__title {
  color: var(--snow);
}

.page-products .product-chapter__titles .section-heading__sub {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--rock);
}

.page-products .product-chapter--dark .section-heading__sub {
  color: rgba(247, 245, 240, 0.7);
}

.page-products .product-chapter__split {
  display: grid;
  gap: 24px;
}

.page-products .product-chapter__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-products .product-chapter__intro {
  margin: 0 0 22px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--rock);
}

.page-products .product-chapter--dark .product-chapter__intro {
  color: rgba(247, 245, 240, 0.82);
}

.page-products .product-chapter__note {
  margin: 18px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .product-chapter--dark .product-chapter__note {
  color: rgba(247, 245, 240, 0.66);
}

/* ===== 功能点列表 ===== */
.page-products .product-points {
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.page-products .product-point__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-products .product-point__icon {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 7px;
  box-shadow: 0 0 0 4px rgba(201, 155, 63, 0.14);
}

.page-products .product-point__text strong {
  display: block;
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--sacred-blue);
  margin-bottom: 4px;
}

.page-products .product-chapter--dark .product-point__text strong {
  color: var(--snow);
}

.page-products .product-point__text p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .product-chapter--dark .product-point__text p {
  color: rgba(247, 245, 240, 0.76);
}

/* ===== 迷你走势图 ===== */
.page-products .product-chart-mini {
  width: 100%;
  max-width: 360px;
  margin-top: 18px;
  padding: 14px 16px 10px;
  background: var(--snow);
  border-radius: var(--radius-md);
  border: 1px solid var(--product-line);
}

.page-products .product-chart-mini__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .product-chart-mini__grid {
  fill: none;
  stroke: var(--product-line);
  stroke-width: 1;
}

.page-products .product-chart-mini__line {
  fill: none;
  stroke: var(--gold);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .product-chart-mini__dot {
  fill: var(--vermilion);
  stroke: var(--snow);
  stroke-width: 2;
}

.page-products .product-chart-mini__label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--rock);
}

/* ===== 图片 ===== */
.page-products .product-chapter__figure {
  margin: 0;
}

.page-products .product-chapter__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--oat);
}

.page-products .product-chapter__figure--square img {
  aspect-ratio: 1 / 1;
}

.page-products .product-chapter__figure--compact img {
  aspect-ratio: 1 / 1;
}

.page-products .product-chapter__figcaption {
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--rock);
  line-height: 1.6;
}

.page-products .product-chapter--dark .product-chapter__figcaption {
  color: rgba(247, 245, 240, 0.64);
}

.page-products .product-chapter__figure:not(:first-child) {
  margin-top: 0;
}

/* ===== 帮助文档卡片 ===== */
.page-products .product-docs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  width: 100%;
  margin-top: 8px;
}

.page-products .product-doc-card {
  background: rgba(247, 245, 240, 0.08);
  border: 1px solid rgba(247, 245, 240, 0.16);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: background 0.26s var(--ease), border-color 0.26s var(--ease), transform 0.26s var(--ease);
}

.page-products .product-doc-card:hover {
  background: rgba(247, 245, 240, 0.14);
  border-color: var(--gold);
  transform: translateY(-3px);
}

.page-products .product-doc-card__tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 8px;
}

.page-products .product-doc-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 245, 240, 0.82);
}

/* ===== 按钮间距 ===== */
.page-products .product-chapter__content .btn {
  margin-top: 20px;
}

/* ===== 资讯卡片 ===== */
.page-products .product-news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.page-products .product-news-card {
  background: var(--snow);
  border: 1px solid var(--product-line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: box-shadow 0.26s var(--ease), transform 0.26s var(--ease);
}

.page-products .product-news-card:hover {
  box-shadow: 0 12px 28px rgba(27, 58, 92, 0.1);
  transform: translateY(-3px);
}

.page-products .product-news-card h3 {
  margin: 10px 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--sacred-blue);
}

.page-products .product-news-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

/* ===== 刷新流程 ===== */
.page-products .product-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
}

.page-products .product-flow__step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-products .product-flow__num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--sacred-blue);
  color: var(--snow);
  font-family: var(--font-head);
  font-size: 14px;
}

.page-products .product-flow__text h3 {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: 16px;
  color: var(--sacred-blue);
}

.page-products .product-flow__text p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .product-refresh__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 16px 18px;
  background: var(--snow);
  border-radius: var(--radius-md);
  border: 1px solid var(--product-line);
  width: 100%;
}

.page-products .product-refresh__period {
  font-family: var(--font-head);
  font-size: 26px;
  color: var(--sacred-blue);
  line-height: 1;
}

.page-products .product-refresh__time {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--rock);
}

/* ===== 页内信任条 ===== */
.page-products .trust-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  background: rgba(62, 124, 79, 0.08);
  border: 1px solid rgba(62, 124, 79, 0.22);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--sacred-blue);
}

.page-products .trust-note__dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grass);
  margin-top: 7px;
}

/* ===== 平板 ≥768px ===== */
@media (min-width: 768px) {
  .page-products .product-hero {
    padding: 48px 0 56px;
  }

  .page-products .product-hero__grid {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: start;
    gap: 48px;
  }

  .page-products .product-chapter__frame {
    padding: 40px 40px 44px;
  }

  .page-products .product-chapter__split {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
  }

  .page-products .product-chapter__split--reverse .product-chapter__figure {
    order: 2;
  }

  .page-products .product-chapter__split--reverse .product-chapter__content {
    order: 1;
  }

  .page-products .product-docs-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .product-hero__toc-wrap {
    padding: 28px 30px 22px;
  }
}

/* ===== 桌面 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-products .product-body {
    grid-template-columns: 220px 1fr;
    gap: 40px;
    align-items: start;
    margin-top: 16px;
  }

  .page-products .product-aside {
    position: sticky;
    top: calc(var(--header-height) + 20px);
  }

  .page-products .product-aside__nav {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
  }

  .page-products .product-aside__link {
    border-radius: var(--radius-pill);
    padding: 11px 16px;
  }

  .page-products .product-main {
    gap: 28px;
  }

  .page-products .product-chapter__frame {
    padding: 48px 52px 52px;
  }

  .page-products .product-chapter__head {
    margin-bottom: 36px;
  }

  .page-products .product-chapter__head .chapter__number {
    font-size: 60px;
  }

  .page-products .product-docs-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .page-products .product-chapter__figure img {
    max-height: 430px;
  }

  .page-products .product-chapter__figure--square img,
  .page-products .product-chapter__figure--compact img {
    max-height: 500px;
  }
}

/* ===== 超宽屏内容约束 ===== */
@media (min-width: 1400px) {
  .page-products .product-chapter__frame {
    padding: 56px 64px 60px;
  }
}