.page-products {
  --pp-radius: 0;
  background: var(--ink);
  color: var(--text-on-dark);
  font-family: var(--font-body);
}

.page-products .section-title {
  color: var(--text-on-dark);
  font-family: var(--font-head);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-products .section-lead {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
}

.page-products .media-frame {
  margin: 0;
  overflow: hidden;
}

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

.page-products .unit {
  margin-left: 0.1em;
  font-size: 0.68em;
}

/* ---------- 页头 ---------- */

.page-products .breadcrumb {
  margin: 0 0 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

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

.page-products .breadcrumb a:hover {
  color: var(--dawn);
}

.page-products .breadcrumb span[aria-hidden] {
  margin: 0 8px;
  opacity: 0.55;
}

.page-products .ph-hero {
  padding: 28px 0 52px;
}

.page-products .ph-hero__grid {
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-products .ph-intro h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 10px 0 18px;
}

.page-products .ph-lead {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text-on-dark);
  max-width: 36em;
}

.page-products .ph-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 28px;
}

.page-products .ph-stats {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}

.page-products .ph-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-products .ph-stats .data-num {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-products .ph-stats__label {
  font-size: 0.8125rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ---------- 通用分区 ---------- */

.page-products .ph-section {
  padding: 56px 0;
}

.page-products .ph-head {
  max-width: 46rem;
  margin-bottom: 30px;
}

.page-products .ph-head .section-title {
  margin: 8px 0 12px;
  font-size: clamp(1.6rem, 4.6vw, 2.25rem);
}

/* ---------- 入口切换 ---------- */

.page-products .entry-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .filter-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--ink-board);
  color: var(--text-on-dark);
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .filter-chip:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.page-products .entry-switch[data-active-filter="web"] .filter-chip[data-filter="web"],
.page-products .entry-switch[data-active-filter="desktop"] .filter-chip[data-filter="desktop"],
.page-products .entry-switch[data-active-filter="mobile"] .filter-chip[data-filter="mobile"] {
  background: var(--dawn);
  border-color: var(--dawn);
  color: var(--ink-night);
}

.page-products .filter-status {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-products .entry-panels {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  min-width: 0;
}

.page-products .entry-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px 22px;
  background: var(--ink-board);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.page-products .entry-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--dawn), var(--amber));
}

.page-products .entry-panel__title {
  margin: 0;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  color: var(--text-on-dark);
}

.page-products .entry-panel__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-on-dark);
}

.page-products .entry-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .entry-panel__list li {
  position: relative;
  padding-left: 16px;
}

.page-products .entry-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--pitch);
}

.page-products .entry-panel__link {
  margin-top: auto;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--amber);
  text-decoration: none;
}

.page-products .entry-panel__link:hover {
  color: var(--dawn);
}

/* ---------- 登录后的内容 ---------- */

.page-products .cap-grid {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-products .cap-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  min-width: 0;
}

.page-products .cap-card h3 {
  margin: 0;
  font-size: 1.125rem;
  color: var(--text-on-dark);
}

.page-products .cap-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .cap-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

/* ---------- 快捷面板 ---------- */

.page-products .quick-grid {
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-products .quick-points {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .quick-points li {
  border-left: 2px solid var(--line);
  padding-left: 14px;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .quick-points strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text-on-dark);
  font-size: 0.9375rem;
}

.page-products .quick-figure {
  margin-top: 26px;
}

.page-products .quick-rail {
  padding: 24px 22px;
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  min-width: 0;
}

.page-products .rail-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .rail-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-products .rail-time {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--pitch);
  letter-spacing: 0.04em;
}

.page-products .rail-text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 功能矩阵 ---------- */

.page-products .matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-board);
  -webkit-overflow-scrolling: touch;
}

.page-products .matrix-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-products .matrix-table th,
.page-products .matrix-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .matrix-table thead th {
  background: var(--ink-night);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  border-bottom: 1px solid var(--line);
}

.page-products .matrix-table tbody tr:nth-child(odd) {
  background: rgba(255, 255, 255, 0.022);
}

.page-products .matrix-table tbody tr:hover {
  background: rgba(255, 107, 53, 0.09);
}

.page-products .matrix-table tbody th {
  font-weight: 700;
  color: var(--text-on-dark);
  white-space: nowrap;
}

.page-products .matrix-table td {
  color: var(--text-dim);
  line-height: 1.65;
}

.page-products .matrix-table .is-num {
  font-family: var(--font-mono);
  text-align: right;
  color: var(--pitch);
  white-space: nowrap;
}

.page-products .matrix-figure {
  margin: 26px 0 0;
}

/* ---------- 版本节奏（暖纸区） ---------- */

.page-products .zone-paper {
  color: var(--carbon);
}

.page-products .zone-paper .section-title {
  color: var(--carbon);
}

.page-products .zone-paper .section-lead {
  color: #46433e;
}

.page-products .zone-paper .eyebrow {
  color: var(--dawn);
}

.page-products .version-band {
  display: grid;
  gap: 30px;
  min-width: 0;
}

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

.page-products .ver-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 13px 16px;
  background: rgba(16, 16, 16, 0.04);
  border: 1px solid rgba(16, 16, 16, 0.12);
  border-left: 3px solid rgba(16, 16, 16, 0.22);
}

.page-products .ver-item--current {
  background: rgba(46, 204, 113, 0.14);
  border-color: rgba(46, 204, 113, 0.5);
  border-left-color: var(--pitch);
}

.page-products .ver-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--dawn);
}

.page-products .ver-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--carbon);
}

.page-products .ver-note {
  flex: 1 1 100%;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: #6a6760;
}

.page-products .version-note {
  margin: 20px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #4a473f;
}

/* ---------- 上手路径 ---------- */

.page-products .start-grid {
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-products .path {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
}

.page-products .path-line {
  display: none;
}

.page-products .path-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-products .path-step {
  background: var(--ink-board);
  border: 1px solid var(--line);
}

.page-products .path-step summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.page-products .path-step summary::-webkit-details-marker {
  display: none;
}

.page-products .path-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--amber);
}

.page-products .path-step[open] summary::after {
  content: "–";
  color: var(--pitch);
}

.page-products .path-no {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--dawn);
}

.page-products .path-name {
  font-size: 1.0625rem;
  color: var(--text-on-dark);
}

.page-products .path-step > p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-dim);
}

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

/* ---------- 收尾 ---------- */

.page-products .ph-cta {
  padding: 54px 0 66px;
}

.page-products .ph-cta__inner {
  display: grid;
  gap: 22px;
  align-items: center;
  min-width: 0;
}

.page-products .ph-cta .section-title {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 4.4vw, 2rem);
}

.page-products .ph-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

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

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

  .page-products .ph-cta__inner {
    grid-template-columns: minmax(0, 1.4fr) auto;
  }
}

@media (min-width: 900px) {
  .page-products .path {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 4px;
  }

  .page-products .path-line {
    display: block;
    width: 60px;
    height: 100%;
  }
}

@media (min-width: 960px) {
  .page-products .ph-hero {
    padding: 34px 0 62px;
  }

  .page-products .ph-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 48px;
  }

  .page-products .ph-section {
    padding: 72px 0;
  }

  .page-products .entry-panels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .entry-panel:nth-child(2) {
    margin-top: 30px;
  }

  .page-products .entry-panel:nth-child(3) {
    margin-top: 14px;
  }

  .page-products .cap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .cap-card--wide {
    grid-column: span 2;
  }

  .page-products .quick-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-products .quick-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .version-band {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 44px;
  }

  .page-products .version-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .start-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .filter-chip,
  .page-products .matrix-table tbody tr {
    transition: none;
  }
}