.page-products {
  --pp-radius: 3px;
  --pp-gap: clamp(16px, 3vw, 26px);
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(32px, 6vw, 72px);
}

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

.page-products .section {
  padding: clamp(34px, 6vw, 64px) 0 0;
}

.page-products .section-head {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-products .section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.2vw, 38px);
  letter-spacing: 0.04em;
  line-height: 1.18;
  margin: 8px 0 0;
  color: var(--text);
}

.page-products .section-note {
  max-width: 62ch;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-products .p-hero {
  padding: clamp(22px, 4.5vw, 48px) 0 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .breadcrumb {
  font-size: 13px;
  letter-spacing: 0.04em;
  margin: 0;
}

.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

.page-products .p-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.08;
  letter-spacing: 0.05em;
  margin: 16px 0 0;
  max-width: 18ch;
  text-wrap: balance;
}

.page-products .p-hero__lead {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .p-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .p-hero__chips li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  background: var(--ink-panel);
  color: var(--muted);
}

.page-products .p-hero__chips li strong {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 2px;
}

/* ---------- 版本刻度尺 ---------- */
.page-products .ruler {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px 10px;
  margin: clamp(26px, 5vw, 44px) 0 clamp(20px, 4vw, 30px);
  padding-top: 4px;
}

.page-products .ruler-node {
  position: relative;
  padding-top: 20px;
  min-width: 0;
}

.page-products .ruler-dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-panel);
  border: 2px solid var(--muted-deep);
}

.page-products .ruler-node.is-start .ruler-dot {
  border-color: var(--muted);
  background: var(--muted);
}

.page-products .ruler-node.is-current .ruler-dot {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 224, 192, 0.16);
}

.page-products .ruler-idx {
  display: block;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .ruler-node.is-current .ruler-idx {
  color: var(--cyan);
}

.page-products .ruler-name {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text);
  white-space: nowrap;
}

/* ---------- 通栏图 ---------- */
.page-products .p-band {
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--ink-panel);
}

.page-products .p-band--inset {
  margin-top: clamp(22px, 4vw, 32px);
}

/* ---------- 筛选条 ---------- */
.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
}

.page-products .filter-btn {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  padding: 9px 14px;
  color: var(--muted);
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-products .filter-btn:hover,
.page-products .filter-btn:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan);
  outline: none;
}

.page-products .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-products .filter-count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .filter-count [data-filter-count] {
  color: var(--cyan);
  font-weight: 700;
}

/* ---------- 入口卡片 ---------- */
.page-products .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .entry-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 16px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--pp-radius);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .entry-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-products .entry-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .entry-id {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .entry-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .entry-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .entry-facts {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  margin: 2px 0 0;
  font-size: 13.5px;
}

.page-products .entry-facts dt {
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-products .entry-facts dd {
  margin: 0;
  color: var(--text);
}

.page-products .entry-card .link-arrow {
  margin-top: auto;
  padding-top: 6px;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

.page-products .entry-card .link-arrow:hover,
.page-products .entry-card .link-arrow:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 对照表 ---------- */
.page-products .compare-layout {
  display: grid;
  gap: 22px;
}

.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  background: var(--ink-panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .legacy-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .legacy-table thead th {
  text-align: left;
  padding: 11px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .legacy-row td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
  color: var(--text);
}

.page-products .legacy-row:hover {
  background: rgba(47, 224, 192, 0.06);
}

.page-products .legacy-row .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .legacy-row--off td {
  color: var(--muted);
}

.page-products .legacy-row--off .tag--blocked {
  opacity: 0.9;
}

.page-products .cell-act {
  text-align: right;
  white-space: nowrap;
}

.page-products .expand-trigger {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  cursor: pointer;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .expand-trigger:hover,
.page-products .expand-trigger:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-soft);
  outline: none;
}

.page-products .expand-trigger[aria-expanded="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-products .expand-row td {
  padding: 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .expand-panel {
  display: none;
}

.page-products .expand-panel.is-open {
  display: block;
}

.page-products .expand-inner {
  padding: 13px 14px 15px;
  background: var(--ink-deep);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .expand-inner strong {
  color: var(--cyan-soft);
  font-weight: 600;
}

.page-products .legacy-row[hidden],
.page-products .entry-card[hidden],
.page-products .legacy-row.is-hidden,
.page-products .entry-card.is-hidden {
  display: none;
}

/* ---------- 侧栏图与说明 ---------- */
.page-products .compare-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .p-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--ink-panel);
}

.page-products .p-figure__cap {
  padding: 10px 13px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-products .note-panel {
  padding: 16px 16px 14px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  border-radius: var(--pp-radius);
}

.page-products .note-panel__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange-soft);
}

.page-products .note-list {
  margin: 0;
  padding: 0 0 0 16px;
  list-style: none;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .note-list li {
  position: relative;
  margin-bottom: 8px;
}

.page-products .note-list li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .note-list li:last-child {
  margin-bottom: 0;
}

/* ---------- 四步 ---------- */
.page-products .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step-card {
  padding: 20px 18px 22px;
  border-radius: var(--pp-radius);
}

.page-products .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-products .step-title {
  margin: 12px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: #12202c;
}

.page-products .step-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: #3d4b57;
}

/* ---------- 设备 ---------- */
.page-products .device-layout {
  display: grid;
  gap: 20px;
}

.page-products .device-blocks {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .device-block {
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--line);
}

.page-products .device-block--cyan {
  border-left-color: var(--cyan);
}

.page-products .device-block--orange {
  border-left-color: var(--orange);
}

.page-products .device-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .device-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .device-tip {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .device-tip .link-arrow {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .device-tip .link-arrow:hover,
.page-products .device-tip .link-arrow:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 版本时间轴 ---------- */
.page-products .timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-products .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line) 60%, var(--line) 100%);
}

.page-products .timeline li {
  position: relative;
  padding-bottom: 22px;
}

.page-products .timeline li:last-child {
  padding-bottom: 0;
}

.page-products .timeline li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-panel);
  border: 2px solid var(--line);
}

.page-products .timeline li.is-current::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 224, 192, 0.16);
}

.page-products .tl-ver {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-right: 10px;
}

.page-products .timeline li.is-current .tl-ver {
  color: var(--cyan);
}

.page-products .tl-when {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
}

.page-products .tl-text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 下线段 ---------- */
.page-products .grace-layout {
  display: grid;
  gap: 20px;
}

.page-products .grace-rules {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .grace-rule {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--pp-radius);
}

.page-products .grace-key {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange-soft);
}

.page-products .grace-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .action-panel {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 4vw, 32px);
  padding: 20px 18px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--pp-radius);
}

.page-products .action-panel__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .action-panel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .action-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .action-panel__links .btn {
  text-decoration: none;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .ruler {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0 10px;
    padding-top: 6px;
  }

  .page-products .ruler::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 10px;
    height: 2px;
    background: linear-gradient(90deg, var(--line) 0%, var(--line) 62%, var(--cyan) 100%);
  }

  .page-products .ruler {
    position: relative;
  }

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

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

  .page-products .grace-rules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .grace-rule {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .page-products .action-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-products .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .compare-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-products .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .device-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 28px;
  }

  .page-products .grace-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 26px;
  }

  .page-products .timeline {
    padding-left: 30px;
  }

  .page-products .timeline li::before {
    left: -30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .entry-card,
  .page-products .filter-btn,
  .page-products .expand-trigger {
    transition: none;
  }

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

.page-products {
  --pp-radius: 3px;
  --pp-gap: clamp(16px, 3vw, 26px);
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(32px, 6vw, 72px);
}

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

.page-products .section {
  padding: clamp(34px, 6vw, 64px) 0 0;
}

.page-products .section-head {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-products .section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.2vw, 38px);
  letter-spacing: 0.04em;
  line-height: 1.18;
  margin: 8px 0 0;
  color: var(--text);
}

.page-products .section-note {
  max-width: 62ch;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-products .p-hero {
  padding: clamp(22px, 4.5vw, 48px) 0 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .breadcrumb {
  font-size: 13px;
  letter-spacing: 0.04em;
  margin: 0;
}

.page-products .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

.page-products .p-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.08;
  letter-spacing: 0.05em;
  margin: 16px 0 0;
  max-width: 18ch;
  text-wrap: balance;
}

.page-products .p-hero__lead {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-products .p-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .p-hero__chips li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  background: var(--ink-panel);
  color: var(--muted);
}

.page-products .p-hero__chips li strong {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 2px;
}

/* ---------- 版本刻度尺 ---------- */
.page-products .ruler {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px 10px;
  margin: clamp(26px, 5vw, 44px) 0 clamp(20px, 4vw, 30px);
  padding-top: 4px;
}

.page-products .ruler-node {
  position: relative;
  padding-top: 20px;
  min-width: 0;
}

.page-products .ruler-dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-panel);
  border: 2px solid var(--muted-deep);
}

.page-products .ruler-node.is-start .ruler-dot {
  border-color: var(--muted);
  background: var(--muted);
}

.page-products .ruler-node.is-current .ruler-dot {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 224, 192, 0.16);
}

.page-products .ruler-idx {
  display: block;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .ruler-node.is-current .ruler-idx {
  color: var(--cyan);
}

.page-products .ruler-name {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text);
  white-space: nowrap;
}

/* ---------- 通栏图 ---------- */
.page-products .p-band {
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--ink-panel);
}

.page-products .p-band--inset {
  margin-top: clamp(22px, 4vw, 32px);
}

/* ---------- 筛选条 ---------- */
.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
}

.page-products .filter-btn {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  padding: 9px 14px;
  color: var(--muted);
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-products .filter-btn:hover,
.page-products .filter-btn:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan);
  outline: none;
}

.page-products .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-products .filter-count {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .filter-count [data-filter-count] {
  color: var(--cyan);
  font-weight: 700;
}

/* ---------- 入口卡片 ---------- */
.page-products .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .entry-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 16px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--pp-radius);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .entry-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-products .entry-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .entry-id {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .entry-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .entry-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .entry-facts {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  margin: 2px 0 0;
  font-size: 13.5px;
}

.page-products .entry-facts dt {
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-products .entry-facts dd {
  margin: 0;
  color: var(--text);
}

.page-products .entry-card .link-arrow {
  margin-top: auto;
  padding-top: 6px;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

.page-products .entry-card .link-arrow:hover,
.page-products .entry-card .link-arrow:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 对照表 ---------- */
.page-products .compare-layout {
  display: grid;
  gap: 22px;
}

.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  background: var(--ink-panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .legacy-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .legacy-table thead th {
  text-align: left;
  padding: 11px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .legacy-row td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
  color: var(--text);
}

.page-products .legacy-row:hover {
  background: rgba(47, 224, 192, 0.06);
}

.page-products .legacy-row .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .legacy-row--off td {
  color: var(--muted);
}

.page-products .cell-act {
  text-align: right;
  white-space: nowrap;
}

.page-products .expand-trigger {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  cursor: pointer;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .expand-trigger:hover,
.page-products .expand-trigger:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-soft);
  outline: none;
}

.page-products .expand-trigger[aria-expanded="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-products .expand-row td {
  padding: 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .expand-panel {
  display: none;
}

.page-products .expand-panel.is-open {
  display: block;
}

.page-products .expand-inner {
  padding: 13px 14px 15px;
  background: var(--ink-deep);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .expand-inner strong {
  color: var(--cyan-soft);
  font-weight: 600;
}

.page-products .legacy-row[hidden],
.page-products .entry-card[hidden],
.page-products .legacy-row.is-hidden,
.page-products .entry-card.is-hidden {
  display: none;
}

/* ---------- 侧栏图与说明 ---------- */
.page-products .compare-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .p-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--ink-panel);
}

.page-products .p-figure__cap {
  padding: 10px 13px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-products .note-panel {
  padding: 16px 16px 14px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  border-radius: var(--pp-radius);
}

.page-products .note-panel__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange-soft);
}

.page-products .note-list {
  margin: 0;
  padding: 0 0 0 16px;
  list-style: none;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .note-list li {
  position: relative;
  margin-bottom: 8px;
}

.page-products .note-list li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .note-list li:last-child {
  margin-bottom: 0;
}

/* ---------- 四步 ---------- */
.page-products .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step-card {
  padding: 20px 18px 22px;
  border-radius: var(--pp-radius);
}

.page-products .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-products .step-title {
  margin: 12px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: #12202c;
}

.page-products .step-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: #3d4b57;
}

/* ---------- 设备 ---------- */
.page-products .device-layout {
  display: grid;
  gap: 20px;
}

.page-products .device-blocks {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .device-block {
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--line);
}

.page-products .device-block--cyan {
  border-left-color: var(--cyan);
}

.page-products .device-block--orange {
  border-left-color: var(--orange);
}

.page-products .device-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .device-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .device-tip {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .device-tip .link-arrow {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .device-tip .link-arrow:hover,
.page-products .device-tip .link-arrow:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 版本时间轴 ---------- */
.page-products .timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-products .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line) 60%, var(--line) 100%);
}

.page-products .timeline li {
  position: relative;
  padding-bottom: 22px;
}

.page-products .timeline li:last-child {
  padding-bottom: 0;
}

.page-products .timeline li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-panel);
  border: 2px solid var(--line);
}

.page-products .timeline li.is-current::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 224, 192, 0.16);
}

.page-products .tl-ver {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-right: 10px;
}

.page-products .timeline li.is-current .tl-ver {
  color: var(--cyan);
}

.page-products .tl-when {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: var(--pp-radius);
}

.page-products .tl-text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 下线段 ---------- */
.page-products .grace-layout {
  display: grid;
  gap: 20px;
}

.page-products .grace-rules {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .grace-rule {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--pp-radius);
}

.page-products .grace-key {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange-soft);
}

.page-products .grace-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .action-panel {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 4vw, 32px);
  padding: 20px 18px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--pp-radius);
}

.page-products .action-panel__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-products .action-panel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .action-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .action-panel__links .btn {
  text-decoration: none;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .ruler {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0 10px;
    padding-top: 6px;
  }

  .page-products .ruler::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 10px;
    height: 2px;
    background: linear-gradient(90deg, var(--line) 0%, var(--line) 62%, var(--cyan) 100%);
  }

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

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

  .page-products .grace-rules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .action-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-products .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .compare-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .page-products .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .device-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 28px;
  }

  .page-products .grace-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 26px;
  }

  .page-products .timeline {
    padding-left: 30px;
  }

  .page-products .timeline li::before {
    left: -30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .entry-card,
  .page-products .filter-btn,
  .page-products .expand-trigger {
    transition: none;
  }

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