.page-products {
  --pd-rail: clamp(18px, 3vw, 30px);
  --pd-gap: clamp(16px, 2.6vw, 28px);
  display: block;
}

/* ---------- 页头 ---------- */
.page-products .pd-head {
  position: relative;
  padding-block: clamp(26px, 5vw, 58px) clamp(20px, 3.6vw, 38px);
  display: grid;
  gap: clamp(12px, 2vw, 20px);
}

.page-products .pd-side {
  position: absolute;
  top: clamp(26px, 5vw, 58px);
  right: var(--gutter);
  writing-mode: vertical-rl;
  color: var(--cyan);
}

.page-products .pd-title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .pd-lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--slate);
}

.page-products .pd-quick {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-products .pd-quick-item {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
}

.page-products .pd-quick-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pd-quick-item--warm .pd-quick-num {
  color: var(--orange);
}

.page-products .pd-quick-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--slate);
}

/* ---------- 章节通用 ---------- */
.page-products .pd-head-block {
  display: grid;
  gap: 10px;
  margin-bottom: var(--pd-gap);
}

.page-products .pd-sub {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-products .pd-sub--dark {
  color: var(--ink);
}

/* ---------- 01 双轴看板 ---------- */
.page-products .pd-board-card {
  padding: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: 18px;
}

.page-products .pd-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-tabs .tab {
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  transition: background-color 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .pd-board-card .tabpanel:not(.is-active),
.page-products .pd-export-card .tabpanel:not(.is-active) {
  display: none;
}

.page-products .pd-panel {
  display: grid;
  gap: 14px;
}

.page-products .pd-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(10px, 2vw, 18px);
}

.page-products .pd-metric {
  display: grid;
  gap: 10px;
  padding: clamp(14px, 2vw, 22px);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-soft);
}

.page-products .pd-metric--cyan {
  border-left: 2px solid var(--cyan);
}

.page-products .pd-metric--orange {
  border-left: 2px solid var(--orange);
}

.page-products .pd-metric-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 6.4vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
}

.page-products .pd-metric--cyan .pd-metric-num {
  color: var(--cyan);
}

.page-products .pd-metric--orange .pd-metric-num {
  color: var(--orange);
}

.page-products .pd-metric-num small {
  margin-left: 6px;
  font-size: 0.34em;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-products .pd-panel-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 图片框通用 ---------- */
.page-products .pd-figure {
  margin: var(--pd-gap) 0 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-figure--wide {
  max-width: 100%;
}

.page-products .pd-frame {
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}

.page-products .pd-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pd-frame--tall {
  aspect-ratio: 3 / 4;
}

.page-products .pd-caption {
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- 02 字段 ---------- */
.page-products .pd-fields-grid {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-field-list {
  display: grid;
  gap: 12px;
}

.page-products .pd-field {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 5px 12px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan-deep);
}

.page-products .pd-field-idx {
  grid-column: 1;
  grid-row: 1 / -1;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pd-field-name {
  grid-column: 2;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-products .pd-field-desc {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .pd-field-unit {
  grid-column: 2;
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .pd-figure--side {
  margin-top: 0;
}

/* ---------- 03 横向对比 ---------- */
.page-products .pd-compare-card {
  padding: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: 16px;
}

.page-products .pd-compare-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pd-compare-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-products .pd-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-products .pd-legend-item {
  position: relative;
  padding-left: 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-products .pd-legend-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 10px;
  height: 3px;
  border-radius: 2px;
  transform: translateY(-50%);
}

.page-products .pd-legend-item--cyan::before {
  background: var(--cyan);
}

.page-products .pd-legend-item--orange::before {
  background: var(--orange);
}

.page-products .pd-chart-wrap {
  width: 100%;
  overflow-x: auto;
  padding-bottom: 4px;
}

.page-products .pd-chart {
  display: block;
  width: 100%;
  min-width: 420px;
  height: auto;
}

.page-products .pd-table-scroll {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-soft);
}

.page-products .pd-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
}

.page-products .pd-table thead th {
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-table tbody th {
  font-weight: 600;
  color: var(--white);
}

.page-products .pd-table tbody td {
  color: var(--slate);
  border-top: 1px solid var(--line-soft);
}

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

/* ---------- 04 导出 ---------- */
.page-products .pd-export-card {
  padding: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: 16px;
}

.page-products .pd-export-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pd-tabs--format {
  gap: 6px;
}

.page-products .pd-export-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .pd-sheet-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-sheet {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--amber);
}

.page-products .pd-sheet-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
}

.page-products .pd-sheet-desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .pd-export .pd-figure {
  margin-top: var(--pd-gap);
}

/* ---------- 05 归档 ---------- */
.page-products .pd-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--pd-rail);
  border-left: 1px solid var(--line);
  display: grid;
}

.page-products .pd-tl-item {
  position: relative;
  padding: 2px 0 clamp(18px, 3vw, 28px);
}

.page-products .pd-tl-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--pd-rail) - 5px);
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-deep);
  box-shadow: 0 0 0 4px rgba(15, 168, 143, 0.16);
}

.page-products .pd-tl-item--active::before {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(53, 224, 200, 0.18);
}

.page-products .pd-tl-season {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
}

.page-products .pd-tl-item--active .pd-tl-season {
  color: var(--cyan);
}

.page-products .pd-tl-desc {
  margin: 8px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
}

.page-products .pd-archive-foot {
  margin: var(--pd-gap) 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 06 多设备 ---------- */
.page-products .pd-devices-grid {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-device-col {
  display: grid;
  gap: var(--pd-gap);
  min-width: 0;
}

.page-products .pd-device {
  margin: 0;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-products .pd-device-copy {
  display: grid;
  gap: 12px;
}

.page-products .pd-device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-device-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .pd-device-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--orange);
}

/* ---------- 07 接口 ---------- */
.page-products .pd-api-grid {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-api-card {
  padding: clamp(18px, 2.6vw, 28px);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pd-api-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-api-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .pd-api-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan-deep);
}

.page-products .pd-api-btn {
  justify-self: start;
  margin-top: 4px;
}

.page-products .pd-api-side {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pd-api-side .side-note {
  color: var(--orange);
}

.page-products .pd-api-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 结尾导航 ---------- */
.page-products .pd-next {
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-products .pd-next-grid {
  display: grid;
  gap: 12px;
}

.page-products .pd-next-link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .pd-next-link:hover,
.page-products .pd-next-link:focus-visible {
  border-color: var(--cyan);
  background: var(--glass-strong);
}

.page-products .pd-next-title {
  flex: 1 1 100%;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-products .pd-next-arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .pd-fields-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-devices-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .pd-api-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (max-width: 899px) {
  .page-products .pd-side {
    display: none;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pd-next-link,
  .page-products .pd-tabs .tab {
    transition: none;
  }
}