.page-products {
  --pp-hair: rgba(28, 26, 23, .14);
  --pp-tone: var(--spring);
  --pp-card-bg: rgba(255, 255, 255, .52);
}

.page-products .tools-head {
  padding-bottom: 8px;
}

.page-products .tools-head h1 {
  margin: 10px 0 12px;
}

.page-products .tools-head .lede {
  max-width: 58ch;
  margin: 0;
}

.page-products .section + .section {
  border-top: 1px solid var(--pp-hair);
}

/* ---------- 三张错位工具卡 ---------- */
.page-products .tool-stair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 6px;
}

.page-products .tool-card {
  position: relative;
  border: 1px solid var(--pp-hair);
  border-top: 3px solid var(--pp-tone);
  border-radius: var(--radius);
  background: var(--pp-card-bg);
  padding: 18px 18px 16px;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-products .tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.page-products .tool-card--spring { --pp-tone: var(--spring); }
.page-products .tool-card--summer { --pp-tone: var(--summer); }
.page-products .tool-card--autumn { --pp-tone: var(--autumn); }

.page-products .tool-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border: 1px solid var(--pp-hair);
  border-radius: 50%;
  background: rgba(255, 255, 255, .72);
  color: var(--pp-tone);
}

.page-products .tool-card__title {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -.01em;
}

.page-products .tool-card__desc {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-products .tool-card__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--pp-hair);
  font-size: 12.5px;
  color: var(--ink-2);
}

/* ---------- 检索：左文右图 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .locate-list {
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  border-top: 1px solid var(--pp-hair);
}

.page-products .locate-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 0 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .locate-item__no {
  padding-top: 3px;
  font-size: 12.5px;
  color: var(--summer);
}

.page-products .locate-item__body h3 {
  margin: 0 0 4px;
  font-size: 16.5px;
  letter-spacing: -.01em;
}

.page-products .locate-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-products .split__aside {
  margin: 0;
}

/* ---------- 色签索引 ---------- */
.page-products .seal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .seal-group {
  border: 1px solid var(--pp-hair);
  border-left: 3px solid var(--seal, var(--spring));
  border-radius: var(--radius);
  background: var(--pp-card-bg);
  padding: 14px 16px 8px;
}

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

.page-products .seal-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.page-products .seal-chip {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  background: var(--seal, var(--spring));
  flex: none;
}

.page-products .seal-group .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .index-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  column-gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--pp-hair);
  text-decoration: none;
  color: var(--ink);
}

.page-products .seal-group .index-list li:last-child .index-item {
  border-bottom: 0;
}

.page-products .index-item__no {
  font-size: 12px;
  color: var(--ink-2);
}

.page-products .index-item__title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.005em;
  transition: color 160ms var(--ease);
}

.page-products .index-item__meta {
  grid-column: 2;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-2);
}

.page-products .index-item:hover .index-item__title,
.page-products .index-item:focus-visible .index-item__title {
  color: var(--seal, var(--autumn));
}

.page-products .seal-figure {
  margin: 22px 0 0;
}

/* ---------- 平板 ---------- */
.page-products .tablet-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 22px;
}

.page-products .tablet-note {
  border-top: 2px solid var(--summer);
  padding-top: 12px;
}

.page-products .tablet-note h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.page-products .tablet-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 版本说明卡 ---------- */
.page-products .ver-lede {
  max-width: 62ch;
  margin: 0 0 20px;
}

.page-products .ver-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 22px;
}

.page-products .ver-card {
  --pp-tone: var(--autumn);
  border: 1px solid var(--pp-hair);
  border-top: 3px solid var(--pp-tone);
  border-radius: var(--radius);
  background: var(--pp-card-bg);
}

.page-products .ver-card--spring { --pp-tone: var(--spring); }
.page-products .ver-card--summer { --pp-tone: var(--summer); }
.page-products .ver-card--autumn { --pp-tone: var(--autumn); }
.page-products .ver-card--winter { --pp-tone: var(--winter); }

.page-products .ver-card summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
}

.page-products .ver-card summary::-webkit-details-marker {
  display: none;
}

.page-products .ver-card summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--pp-tone);
}

.page-products .ver-card[open] summary::after {
  content: "−";
}

.page-products .ver-card__no {
  font-size: 12px;
  color: var(--ink-2);
}

.page-products .ver-card__title {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-products .ver-card__body {
  padding: 0 14px 14px;
  border-top: 1px solid var(--pp-hair);
  margin-top: 2px;
  padding-top: 12px;
}

.page-products .ver-card__body p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-products .ver-card__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 四端对照表 ---------- */
.page-products .table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius);
}

.page-products .endpoint-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .endpoint-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .endpoint-table thead th {
  background: var(--winter);
  color: var(--frost);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
  text-align: left;
  padding: 12px 14px;
  white-space: nowrap;
}

.page-products .endpoint-table tbody th,
.page-products .endpoint-table tbody td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pp-hair);
  font-weight: 400;
  line-height: 1.7;
}

.page-products .endpoint-table tbody tr:nth-child(even) {
  background: var(--paper-2);
}

.page-products .endpoint-table tbody tr:hover {
  background: rgba(47, 127, 166, .10);
}

.page-products .endpoint-table tbody tr:last-child th,
.page-products .endpoint-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .endpoint-table tbody td.mono {
  white-space: nowrap;
  font-size: 13.5px;
}

.page-products .ep-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  white-space: nowrap;
}

.page-products .ep-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex: none;
}

.page-products .ep-dot--spring { background: var(--spring); }
.page-products .ep-dot--summer { background: var(--summer); }
.page-products .ep-dot--autumn { background: var(--autumn); }
.page-products .ep-dot--winter { background: var(--winter); }

.page-products .btn--solid {
  background: var(--autumn);
}

/* ---------- 反馈 ---------- */
.page-products .fb-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  border: 1px solid var(--pp-hair);
  border-left: 4px solid var(--autumn);
  border-radius: var(--radius);
  background: rgba(217, 169, 76, .10);
  padding: 20px;
}

.page-products .fb-list {
  list-style: none;
  margin: 6px 0 16px;
  padding: 0;
}

.page-products .fb-list li {
  position: relative;
  padding: 7px 0 7px 20px;
  font-size: 15px;
  line-height: 1.6;
  border-bottom: 1px dashed var(--pp-hair);
}

.page-products .fb-list li:last-child {
  border-bottom: 0;
}

.page-products .fb-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 15px;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--autumn-soft);
}

.page-products .fb-copy p {
  max-width: 56ch;
}

.page-products .fb-figure {
  margin: 0;
}

/* ---------- 图片 ---------- */
.page-products .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .seal-grid,
  .page-products .ver-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .tablet-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .tool-stair {
    grid-template-columns: 5fr 4fr 3fr;
    gap: 18px;
    align-items: start;
  }

  .page-products .tool-card:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .tool-card:nth-child(3) {
    margin-top: 52px;
  }
}

@media (min-width: 860px) {
  .page-products .split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .tablet-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .fb-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    align-items: center;
    gap: 30px;
    padding: 26px 28px;
  }
}

@media (min-width: 1040px) {
  .page-products .ver-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-card,
  .page-products .index-item__title {
    transition: none;
  }

  .page-products .tool-card:hover {
    transform: none;
  }
}