.page-products {
  --cell-tint: rgba(28, 27, 25, 0.06);
  --matrix-line: var(--line-strong);
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products .page-head__inner {
  padding-bottom: clamp(4px, 1vw, 12px);
}

.page-products .page-head__title {
  margin: 0 0 clamp(12px, 2vw, 20px);
}

.page-products .lede {
  max-width: 62ch;
  margin: 0;
}

.page-products .intro-stats {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .intro-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--paper);
}

.page-products .intro-stats__num {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-products .intro-stats__label {
  font-size: 13px;
  color: var(--pencil);
  line-height: 1.5;
}

/* ---------- 双栏骨架 + 右侧目录 ---------- */
.page-products .layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-products .layout__main {
  min-width: 0;
}

.page-products .spy {
  display: none;
}

.page-products .spy__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--pencil);
}

.page-products .spy__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .spy__link {
  display: block;
  padding: 7px 0 7px 12px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.5;
  color: var(--pencil);
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .spy__link:hover,
.page-products .spy__link:focus-visible {
  color: var(--ink);
  border-left-color: var(--highlight);
}

.page-products .spy__link[aria-current="true"] {
  color: var(--ink);
  border-left-color: var(--autumn);
  font-weight: 700;
}

/* ---------- 章节节奏 ---------- */
.page-products .section + .section {
  margin-top: clamp(64px, 9vw, 96px);
}

.page-products .section__lede {
  max-width: 64ch;
}

/* ---------- 通栏配图 ---------- */
.page-products .prod-banner {
  margin: 0 0 clamp(24px, 3vw, 36px);
  border: 1px solid var(--line-strong);
  background: var(--beige);
  overflow: hidden;
}

.page-products .prod-banner img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 1440 / 420;
}

.page-products .prod-banner--narrow img {
  aspect-ratio: 1000 / 400;
}

.page-products .prod-banner figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--paper);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--pencil);
}

/* ---------- 六格分类矩阵 ---------- */
.page-products .cat-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--matrix-line);
  border: 1px solid var(--matrix-line);
}

.page-products .cat-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 3vw, 30px) clamp(18px, 2.4vw, 28px) clamp(30px, 4vw, 40px);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  transition: background 220ms var(--ease);
}

.page-products .cat-cell::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--cat, var(--winter));
  transform: scaleY(0.22);
  transform-origin: top;
  transition: transform 220ms var(--ease);
}

.page-products .cat-cell::after {
  content: "→";
  position: absolute;
  right: clamp(16px, 2vw, 22px);
  bottom: clamp(12px, 2vw, 18px);
  font-size: 15px;
  color: var(--cat, var(--winter));
  opacity: 0.5;
  transition: transform 220ms var(--ease), opacity 220ms var(--ease);
}

.page-products .cat-cell--spring { --cat: var(--spring); }
.page-products .cat-cell--summer { --cat: var(--summer); }
.page-products .cat-cell--autumn { --cat: var(--autumn); }
.page-products .cat-cell--winter { --cat: var(--winter); }

.page-products .cat-cell:hover,
.page-products .cat-cell:focus-visible {
  background: var(--beige);
}

.page-products .cat-cell:hover::before,
.page-products .cat-cell:focus-visible::before {
  transform: scaleY(1);
}

.page-products .cat-cell:hover::after,
.page-products .cat-cell:focus-visible::after {
  transform: translateX(4px);
  opacity: 1;
}

.page-products .cat-cell__code {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-products .cat-cell__code::after {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  margin-top: 10px;
  background: var(--cat, var(--winter));
}

.page-products .cat-cell__season {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pencil);
}

.page-products .cat-cell__name {
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-products .cat-cell__meta {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--pencil);
  padding-right: 26px;
}

/* ---------- 四级步骤条 ---------- */
.page-products .steps {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-products .steps__item {
  position: relative;
  padding: 26px 16px 0 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .steps__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--autumn);
  transform: translateY(-50%);
}

.page-products .steps__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--pencil);
  margin-bottom: 8px;
}

.page-products .steps__title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1.3;
}

.page-products .steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pencil);
}

/* ---------- 树状编号示例 ---------- */
.page-products .path-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.page-products .path-detail__hint {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pencil);
}

.page-products .tree {
  border: 1px solid var(--line-strong);
  background: var(--beige);
  padding: 4px;
}

.page-products .tree__node {
  border-top: 1px dashed var(--line);
  padding-top: 2px;
  margin-top: 2px;
}

.page-products .tree__summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  transition: background 180ms var(--ease);
}

.page-products .tree__summary::-webkit-details-marker {
  display: none;
}

.page-products .tree__summary::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--autumn);
  flex: none;
}

.page-products .tree[open] > .tree__summary::before,
.page-products .tree__node[open] > .tree__summary::before {
  content: "−";
}

.page-products .tree__summary:hover {
  background: var(--paper);
}

.page-products .tree__list {
  list-style: none;
  margin: 0 0 6px;
  padding: 0 0 0 18px;
  border-left: 1px dashed var(--line);
  margin-left: 16px;
  display: grid;
  gap: 2px;
}

.page-products .tree__leaf {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 6px 4px;
  font-size: 13px;
  color: var(--ink);
}

.page-products .tree__leaf .mono {
  color: var(--pencil);
}

.page-products .path-detail__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.page-products .path-detail__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .path-detail__figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--pencil);
  letter-spacing: 0.03em;
  line-height: 1.6;
}

/* ---------- 两版对照表 ---------- */
.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
}

.page-products .compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.page-products .compare-table caption {
  caption-side: top;
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pencil);
  background: var(--beige);
  border-bottom: 1px solid var(--line);
}

.page-products .compare-table thead th {
  position: sticky;
  top: var(--header-h);
  z-index: 2;
  padding: 13px 16px;
  background: var(--forest);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .compare-table tbody th {
  padding: 15px 16px;
  font-weight: 700;
  font-size: 13.5px;
  color: var(--ink);
  border-top: 1px solid var(--line);
  vertical-align: top;
  white-space: nowrap;
}

.page-products .compare-table tbody td {
  padding: 15px 16px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .compare-table tbody tr:nth-child(even) {
  background: var(--beige);
}

.page-products .compare-table tbody tr:hover {
  background: rgba(228, 208, 106, 0.26);
}

.page-products .compare-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--pencil);
}

.page-products .compare-note a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--autumn);
  text-underline-offset: 3px;
}

.page-products .compare-note a:hover {
  color: var(--autumn);
}

/* ---------- 案例合集折叠 ---------- */
.page-products .case-groups {
  border-top: 1px solid var(--line-strong);
}

.page-products .case-group {
  border-bottom: 1px solid var(--line-strong);
}

.page-products .case-group__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  transition: background 180ms var(--ease);
}

.page-products .case-group__summary::-webkit-details-marker {
  display: none;
}

.page-products .case-group__summary::after {
  content: "展开";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--pencil);
}

.page-products .case-group[open] > .case-group__summary::after {
  content: "收起";
}

.page-products .case-group__summary:hover {
  background: var(--beige);
}

.page-products .case-group__code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
  background: var(--cat, var(--winter));
}

.page-products .case-group__name {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .case-group__meta {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--pencil);
}

.page-products .case-group--spring { --cat: var(--spring); }
.page-products .case-group--summer { --cat: var(--summer); }
.page-products .case-group--autumn { --cat: var(--autumn); }
.page-products .case-group--winter { --cat: var(--winter); }

.page-products .case-group__body {
  padding: 0 4px 22px;
}

.page-products .case-group__hint {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--pencil);
  line-height: 1.7;
}

.page-products .case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .case-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  padding: 11px 14px;
  background: var(--paper);
  font-size: 14px;
  line-height: 1.6;
}

.page-products .case-list li .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cat, var(--pencil));
  font-weight: 700;
}

/* ---------- 典型场景 ---------- */
.page-products .scenario-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.page-products .scenario-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .scenario {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
}

.page-products .scenario__title {
  position: relative;
  margin: 0 0 12px;
  padding-left: 16px;
  font-size: 1.08rem;
  font-weight: 900;
  line-height: 1.4;
}

.page-products .scenario__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 6px;
  height: 6px;
  background: var(--cat, var(--autumn));
}

.page-products .scenario--spring { --cat: var(--spring); }
.page-products .scenario--summer { --cat: var(--summer); }
.page-products .scenario--autumn { --cat: var(--autumn); }

.page-products .scenario__steps {
  list-style: none;
  counter-reset: stepno;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-products .scenario__steps li {
  counter-increment: stepno;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pencil);
}

.page-products .scenario__steps li::before {
  content: counter(stepno, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--autumn);
  line-height: 2.2;
}

.page-products .scenario-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.page-products .scenario-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .scenario-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--pencil);
}

/* ---------- 补正入口 ---------- */
.page-products .next-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-top: clamp(64px, 9vw, 96px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line-strong);
  background: var(--beige);
}

.page-products .next-step__title {
  margin: 0 0 14px;
  font-size: clamp(1.4rem, 3.2vw, 2.2rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-products .next-step__text {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
}

.page-products .next-step__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .next-step__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .next-step__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .next-step__figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--pencil);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .intro-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-products .cat-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .steps__item {
    padding: 26px 18px 0 0;
  }

  .page-products .steps__item:last-child {
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-products .path-detail {
    grid-template-columns: minmax(0, 1fr) 360px;
  }

  .page-products .scenario-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }

  .page-products .next-step {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-products .cat-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .layout {
    grid-template-columns: minmax(0, 1fr) 190px;
  }

  .page-products .spy {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-cell,
  .page-products .cat-cell::before,
  .page-products .cat-cell::after,
  .page-products .spy__link,
  .page-products .tree__summary,
  .page-products .case-group__summary {
    transition: none;
  }

  .page-products .cat-cell:hover::after,
  .page-products .cat-cell:focus-visible::after {
    transform: none;
  }
}