.page-products {
  --p-rail: 216px;
  --p-queue: 264px;
  display: block;
  background: var(--sky-900);
  color: var(--paper);
  padding-bottom: 72px;
  overflow-x: hidden;
}

.page-products .mono {
  font-family: var(--font-mono);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding: 22px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .04em;
  color: var(--gray);
}

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

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

.page-products .breadcrumb__sep {
  margin: 0 8px;
  color: var(--clay-lite);
}

/* ---------- 拼贴首屏 ---------- */
.page-products .tool-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-top: 26px;
}

.page-products .hero-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .16em;
  color: var(--clay-lite);
}

.page-products h1 {
  margin: 0 0 16px;
  font-size: var(--fs-hero);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
}

.page-products .prose__lead {
  margin: 0;
  max-width: 42ch;
  line-height: 1.75;
  color: rgba(244, 239, 231, .78);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .tool-hero__stat {
  padding: 20px 20px 22px;
  background: var(--indigo);
  border: 1px solid rgba(43, 227, 176, .22);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-products .stat-head {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .12em;
  color: var(--neon);
}

.page-products .stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .stat-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(244, 239, 231, .10);
}

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

.page-products .stat-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
}

.page-products .stat-unit {
  font-size: var(--fs-data);
  color: rgba(244, 239, 231, .70);
}

.page-products .hero-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px 24px;
  margin-top: 34px;
  padding: 14px 0;
  border-top: 2px solid var(--clay);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  color: var(--gray);
}

.page-products .hero-band__item {
  display: flex;
  align-items: center;
}

.page-products .hero-band__item::before {
  content: "";
  flex: none;
  width: 14px;
  height: 2px;
  margin-right: 10px;
  background: var(--teal-deep);
}

/* ---------- 章节通用 ---------- */
.page-products .lab,
.page-products .switch-sec,
.page-products .formats,
.page-products .compare,
.page-products .sync,
.page-products .versions {
  padding-top: 56px;
}

.page-products .prose {
  margin: 0 0 24px;
  max-width: 42ch;
  line-height: 1.75;
  color: rgba(244, 239, 231, .80);
}

.page-products .lab__lead {
  margin-bottom: 8px;
}

.page-products .lab__figure {
  margin: 24px 0 30px;
}

.page-products .img-frame {
  max-width: 100%;
}

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

/* ---------- 三区工作台 ---------- */
.page-products .lab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 22px;
}

.page-products .lab-rail {
  padding: 16px;
  background: var(--indigo);
}

.page-products .lab-rail__head,
.page-products .lab-list__head,
.page-products .lab-queue__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .08em;
}

.page-products .lab-rail__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  color: var(--neon);
}

.page-products .lab-rail__count {
  color: var(--paper);
}

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

.page-products .zone-item {
  display: flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-left: 2px solid transparent;
  background: rgba(244, 239, 231, .04);
  font-family: var(--font-mono);
  font-size: .75rem;
  color: rgba(244, 239, 231, .72);
}

.page-products .zone-item.is-active {
  border-left-color: var(--neon);
  background: rgba(43, 227, 176, .13);
  color: var(--paper);
}

.page-products .zone-item--more {
  color: var(--gray);
  background: transparent;
}

.page-products .lab-list {
  padding: 16px;
  background: var(--sky-700);
}

.page-products .lab-list__head {
  color: rgba(244, 239, 231, .70);
}

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

.page-products .file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--sky-700);
}

.page-products .file-row__name {
  font-size: .9375rem;
}

.page-products .file-row__val {
  font-size: var(--fs-data);
  color: var(--neon);
}

.page-products .lab-queue {
  padding: 16px;
  background: var(--sky-900);
  border: 1px solid var(--line);
}

.page-products .lab-queue__head {
  color: rgba(244, 239, 231, .70);
}

.page-products .queue-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .queue-name {
  display: block;
  margin-bottom: 6px;
  font-size: .875rem;
}

.page-products .queue-bar {
  display: block;
  height: 4px;
  margin-bottom: 6px;
  background: rgba(244, 239, 231, .12);
}

.page-products .queue-bar__fill {
  display: block;
  height: 100%;
}

.page-products .queue-bar__fill--full {
  width: 100%;
  background: var(--neon);
}

.page-products .queue-bar__fill--part {
  width: 42%;
  background: var(--clay-lite);
}

.page-products .queue-state {
  font-size: .72rem;
  color: var(--gray);
}

.page-products .queue-item.is-done .queue-state {
  color: var(--neon);
}

.page-products .queue-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: .78rem;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 路径对照 ---------- */
.page-products .path-cmp {
  display: grid;
  gap: 16px;
  margin: 8px 0 30px;
}

.page-products .path-cmp__row {
  padding: 16px 18px;
  background: var(--sky-700);
  border: 1px solid var(--line);
}

.page-products .path-cmp__row--new {
  border-color: rgba(43, 227, 176, .40);
  background:
    linear-gradient(90deg, rgba(43, 227, 176, .10), rgba(43, 227, 176, 0) 62%),
    var(--sky-700);
}

.page-products .path-cmp__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .10em;
  color: var(--gray);
}

.page-products .path-cmp__row--new .path-cmp__label {
  color: var(--neon);
}

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

.page-products .path-step {
  position: relative;
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: rgba(244, 239, 231, .03);
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gray);
}

.page-products .path-cmp__row--new .path-step {
  border-color: rgba(43, 227, 176, .45);
  background: rgba(43, 227, 176, .12);
  color: var(--paper);
}

.page-products .path-step:not(:last-child)::after {
  content: "›";
  position: absolute;
  top: 50%;
  right: -9px;
  transform: translateY(-50%);
  font-size: .8rem;
  color: var(--clay-lite);
}

@media (max-width: 519px) {
  .page-products .path-step:not(:last-child)::after {
    display: none;
  }
}

/* ---------- 格式 ---------- */
.page-products .fmt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.page-products .fmt-card {
  padding: 20px;
  background: var(--sky-700);
  border: 1px solid var(--clay-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-products .fmt-card.is-active {
  border-color: var(--neon);
  background:
    linear-gradient(180deg, rgba(43, 227, 176, .10), rgba(43, 227, 176, 0) 70%),
    var(--sky-700);
}

.page-products .fmt-card__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .16em;
  color: var(--clay-lite);
}

.page-products .fmt-card.is-active .fmt-card__tag {
  color: var(--neon);
}

.page-products .fmt-card__name {
  margin: 0 0 10px;
  font-size: var(--fs-sub);
  font-weight: 700;
}

.page-products .fmt-card__desc {
  margin: 0 0 14px;
  font-size: .9375rem;
  line-height: 1.7;
  color: rgba(244, 239, 231, .76);
}

.page-products .fmt-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.5;
  color: var(--gray);
}

.page-products .fmt-card__list li {
  display: flex;
}

.page-products .fmt-card__list li::before {
  content: "—";
  flex: none;
  margin-right: 8px;
  color: var(--teal-deep);
}

.page-products .fmt-note {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border-left: 4px solid var(--clay);
  background: var(--sky-700);
}

.page-products .fmt-note__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .12em;
  color: var(--clay-lite);
}

.page-products .fmt-note__val {
  margin: 0;
  max-width: 52ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(244, 239, 231, .82);
}

.page-products .fold {
  margin: 22px 0 30px;
  border: 1px solid var(--line);
  background: var(--sky-700);
}

.page-products .fold__head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: transparent;
  border: 0;
  color: var(--paper);
  text-align: left;
  cursor: pointer;
}

.page-products .fold__head:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-products .fold__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  color: var(--neon);
}

.page-products .fold__label {
  flex: 1;
  font-weight: 700;
}

.page-products .fold__icon {
  font-family: var(--font-mono);
  color: var(--clay-lite);
  transition: transform 220ms ease-out;
}

.page-products .fold[data-open] .fold__icon {
  transform: rotate(90deg);
}

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

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

.page-products .data-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: var(--sky-700);
  font-size: .875rem;
}

.page-products .data-list__key {
  color: rgba(244, 239, 231, .82);
}

.page-products .data-list__val {
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  color: var(--neon);
}

/* ---------- 四栏对比 ---------- */
.page-products .cmp-board {
  display: grid;
  gap: 1px;
  margin-bottom: 20px;
  background: var(--clay-deep);
  border: 1px solid var(--clay-deep);
}

.page-products .cmp-row {
  display: grid;
  grid-template-columns: minmax(66px, 1.05fr) repeat(4, minmax(0, 1fr));
  gap: 1px;
}

.page-products .cmp-cell {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 8px;
  background: var(--sky-700);
  font-size: .78rem;
  color: rgba(244, 239, 231, .80);
}

.page-products .cmp-cell--head {
  min-height: 38px;
  background: var(--indigo);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .05em;
  color: var(--neon);
}

.page-products .cmp-cell--dim {
  background: var(--sky-900);
  font-weight: 700;
  color: var(--paper);
}

.page-products .cmp-bar {
  display: block;
  width: 100%;
  height: 6px;
  background: rgba(244, 239, 231, .10);
}

.page-products .cmp-bar__fill {
  display: block;
  height: 100%;
  background: var(--teal-deep);
}

.page-products .cmp-bar__fill--a { width: 82%; }
.page-products .cmp-bar__fill--b { width: 64%; }
.page-products .cmp-bar__fill--c { width: 48%; }
.page-products .cmp-bar__fill--d { width: 30%; }

.page-products .compare__note {
  margin: 0 0 28px;
  max-width: 46ch;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 同步 ---------- */
.page-products .sync-steps {
  list-style: none;
  margin: 8px 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: syncstep;
}

.page-products .sync-steps li {
  counter-increment: syncstep;
  position: relative;
  padding: 12px 16px 12px 48px;
  background: var(--sky-700);
  border-left: 2px solid var(--clay);
  font-size: .9375rem;
  line-height: 1.7;
  color: rgba(244, 239, 231, .82);
}

.page-products .sync-steps li::before {
  content: counter(syncstep, decimal-leading-zero);
  position: absolute;
  top: 13px;
  left: 15px;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--neon);
}

/* ---------- 版本阶梯 ---------- */
.page-products .ver-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .ver-panel {
  padding: 18px;
  background: var(--sky-700);
  border-top: 3px solid var(--clay);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-products .ver-panel--v4 {
  border-top-color: var(--neon);
  background:
    linear-gradient(180deg, rgba(43, 227, 176, .12), rgba(43, 227, 176, 0) 82%),
    var(--sky-700);
}

.page-products .ver-tag {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--clay-lite);
}

.page-products .ver-panel--v4 .ver-tag {
  color: var(--neon);
}

.page-products .ver-panel h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .ver-panel p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.65;
  color: rgba(244, 239, 231, .72);
}

/* ---------- 收尾 ---------- */
.page-products .tools-foot {
  padding-top: 64px;
}

.page-products .tools-foot__inner {
  display: grid;
  gap: 20px;
  padding: 26px 22px;
  background: var(--sky-700);
  border-left: 4px solid var(--clay);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-products .tools-foot h2 {
  margin: 0 0 8px;
  font-size: var(--fs-title);
  font-weight: 800;
}

.page-products .tools-foot p {
  margin: 0;
  max-width: 46ch;
  font-size: .9375rem;
  line-height: 1.7;
  color: rgba(244, 239, 231, .76);
}

.page-products .tools-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 880px) {
  .page-products .fmt-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .tools-foot__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 30px 32px;
  }
}

@media (min-width: 900px) {
  .page-products .tool-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
    padding-top: 40px;
  }

  .page-products .lab,
  .page-products .switch-sec,
  .page-products .formats,
  .page-products .compare,
  .page-products .sync,
  .page-products .versions {
    padding-top: 80px;
  }

  .page-products .cmp-cell {
    min-height: 52px;
    padding: 10px 12px;
    font-size: .8125rem;
  }

  .page-products .ver-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
    gap: 16px;
  }

  .page-products .ver-panel--v1 { min-height: 236px; }
  .page-products .ver-panel--v2 { min-height: 206px; }
  .page-products .ver-panel--v3 { min-height: 176px; }
  .page-products .ver-panel--v4 { min-height: 148px; }
}

@media (min-width: 1024px) {
  .page-products .lab-grid {
    grid-template-columns: var(--p-rail) minmax(0, 1fr) var(--p-queue);
    gap: 0;
    border: 1px solid var(--line);
  }

  .page-products .lab-list {
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--clay-deep);
  }

  .page-products .lab-queue {
    border: 0;
    border-left: 1px solid var(--clay-deep);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fold__icon {
    transition: none;
  }
}