.page-products {
  --prod-paper-line: #C6D1DE;
  --prod-paper-text: #3B4E66;
  --prod-paper-soft: #DCE3EA;
  --prod-pad: clamp(1.25rem, 4vw, 2.25rem);
}

/* ---------- 首屏 ---------- */
.page-products .products-hero {
  background: var(--ink-950);
  border-bottom: 1px solid var(--line-steel);
  padding-block: clamp(2rem, 6vw, 4.5rem) clamp(2rem, 5vw, 3.5rem);
}

.page-products .products-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3.5rem);
  align-items: center;
}

.page-products .products-hero__copy {
  min-width: 0;
}

.page-products .products-hero__copy h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-size: clamp(1.7rem, 5vw, 2.9rem);
  color: var(--text-white);
  margin: 0.5rem 0 0;
}

.page-products .products-hero__lead {
  margin: 1.125rem 0 0;
  color: var(--mist-300);
  line-height: 1.75;
  max-width: 42rem;
}

.page-products .products-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .products-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-steel);
  border: 1px solid var(--line-steel);
  margin: 2rem 0 0;
}

.page-products .products-hero__stat {
  background: var(--ink-900);
  padding: 0.85rem 1rem;
  min-width: 0;
}

.page-products .products-hero__stat dt {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mist-300);
}

.page-products .products-hero__stat dd {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 3vw, 1.4rem);
  color: var(--text-white);
  word-break: break-word;
}

.page-products .products-hero__visual {
  min-width: 0;
}

.page-products .products-hero__svg {
  display: block;
  width: 100%;
  max-width: 34rem;
  height: auto;
  margin-inline: auto;
}

/* ---------- 工具箱 ---------- */
.page-products .toolbox {
  background: var(--ink-900);
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.page-products .toolbox__head {
  max-width: 46rem;
}

.page-products .toolbox__head h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  color: var(--text-white);
  margin: 0.4rem 0 0;
}

.page-products .toolbox__head .section__lead {
  margin: 0.9rem 0 0;
  color: var(--mist-300);
  line-height: 1.75;
}

.page-products .toolbox__stack {
  position: relative;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .toolbox__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  margin: 0;
}

.page-products .toolbox__tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scrollbar-width: thin;
}

.page-products .toolbox__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line-steel);
  border-left-width: 3px;
  background: var(--ink-800);
  color: var(--mist-300);
  font-size: 0.875rem;
  line-height: 1.2;
  cursor: pointer;
  transition: border-color var(--dur) ease-out, background-color var(--dur) ease-out, color var(--dur) ease-out;
}

.page-products .toolbox__tab-num {
  font-size: 0.75rem;
  color: var(--mist-300);
  transition: color var(--dur) ease-out;
}

.page-products .toolbox__tab:hover {
  border-color: var(--pulse-cyan);
  color: var(--text-white);
}

.page-products #tool-tab-switch:checked ~ .toolbox__tabs label[for="tool-tab-switch"],
.page-products #tool-tab-follow:checked ~ .toolbox__tabs label[for="tool-tab-follow"],
.page-products #tool-tab-download:checked ~ .toolbox__tabs label[for="tool-tab-download"],
.page-products #tool-tab-release:checked ~ .toolbox__tabs label[for="tool-tab-release"] {
  border-color: var(--pulse-cyan);
  background: var(--ink-950);
  color: var(--text-white);
}

.page-products #tool-tab-switch:checked ~ .toolbox__tabs label[for="tool-tab-switch"] .toolbox__tab-num,
.page-products #tool-tab-follow:checked ~ .toolbox__tabs label[for="tool-tab-follow"] .toolbox__tab-num,
.page-products #tool-tab-download:checked ~ .toolbox__tabs label[for="tool-tab-download"] .toolbox__tab-num,
.page-products #tool-tab-release:checked ~ .toolbox__tabs label[for="tool-tab-release"] .toolbox__tab-num {
  color: var(--pulse-cyan);
}

.page-products #tool-tab-switch:focus-visible ~ .toolbox__tabs label[for="tool-tab-switch"],
.page-products #tool-tab-follow:focus-visible ~ .toolbox__tabs label[for="tool-tab-follow"],
.page-products #tool-tab-download:focus-visible ~ .toolbox__tabs label[for="tool-tab-download"],
.page-products #tool-tab-release:focus-visible ~ .toolbox__tabs label[for="tool-tab-release"] {
  outline: 2px solid var(--pulse-cyan);
  outline-offset: 2px;
}

.page-products .toolbox__panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 1.25rem;
}

.page-products .toolbox__band {
  height: 4px;
  background: var(--paper-050);
  margin-block: clamp(1rem, 3vw, 1.5rem);
}

.page-products .tool-folder {
  border: 1px solid var(--line-steel);
  background: var(--ink-800);
  padding: var(--prod-pad);
  min-width: 0;
  transition: border-color var(--dur) ease-out;
}

.page-products .tool-folder--paper {
  background: var(--paper-050);
  border-color: var(--prod-paper-line);
  color: var(--ink-900);
}

.page-products #tool-tab-switch:checked ~ .toolbox__panels > .tool-folder:nth-of-type(1),
.page-products #tool-tab-follow:checked ~ .toolbox__panels > .tool-folder:nth-of-type(2),
.page-products #tool-tab-download:checked ~ .toolbox__panels > .tool-folder:nth-of-type(3),
.page-products #tool-tab-release:checked ~ .toolbox__panels > .tool-folder:nth-of-type(4) {
  border-color: var(--pulse-cyan);
}

.page-products .tool-folder--paper:nth-of-type(2),
.page-products .tool-folder--paper:nth-of-type(4) {
  border-color: var(--prod-paper-line);
}

.page-products .tool-folder__kicker {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--pulse-cyan);
}

.page-products .tool-folder--paper .tool-folder__kicker {
  color: #A9531C;
}

.page-products .tool-folder__head h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  font-size: clamp(1.25rem, 3.2vw, 1.75rem);
  color: var(--text-white);
  margin: 0.5rem 0 0;
}

.page-products .tool-folder--paper .tool-folder__head h3 {
  color: var(--ink-950);
}

.page-products .tool-folder__note {
  margin: 0.85rem 0 0;
  color: var(--mist-300);
  line-height: 1.75;
  max-width: 44rem;
}

.page-products .tool-folder--paper .tool-folder__note {
  color: var(--prod-paper-text);
}

.page-products .tool-folder__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3.5vw, 2.25rem);
  margin-top: clamp(1.25rem, 3.5vw, 2rem);
}

.page-products .tool-folder__aside {
  min-width: 0;
}

.page-products .tool-folder__status {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
}

/* ---------- 步骤条 ---------- */
.page-products .step-track {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .step-track__item {
  position: relative;
  display: grid;
  grid-template-columns: 2.125rem minmax(0, 1fr);
  gap: 0.5rem 1rem;
  padding-bottom: 1.125rem;
}

.page-products .step-track__item::before {
  content: "";
  position: absolute;
  left: 1.0625rem;
  top: 2.25rem;
  bottom: 0.25rem;
  width: 1px;
  background: var(--line-steel);
}

.page-products .tool-folder--paper .step-track__item::before {
  background: var(--prod-paper-line);
}

.page-products .step-track__item:last-child {
  padding-bottom: 0;
}

.page-products .step-track__item:last-child::before {
  display: none;
}

.page-products .step-track__num {
  width: 2.125rem;
  height: 2.125rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--pulse-cyan);
  background: var(--ink-950);
  color: var(--pulse-cyan);
  font-size: 0.8125rem;
  line-height: 1;
}

.page-products .tool-folder--paper .step-track__num {
  background: var(--text-white);
  border-color: var(--signal-amber);
  color: #A9531C;
}

.page-products .step-track__text {
  min-width: 0;
  padding-top: 0.2rem;
}

.page-products .step-track__title {
  margin: 0;
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--text-white);
  line-height: 1.45;
}

.page-products .tool-folder--paper .step-track__title {
  color: var(--ink-950);
}

.page-products .step-track__text p {
  margin: 0.4rem 0 0;
  color: var(--mist-300);
  line-height: 1.7;
  font-size: 0.9rem;
}

.page-products .tool-folder--paper .step-track__text p {
  color: var(--prod-paper-text);
}

/* ---------- 标签与事实清单 ---------- */
.page-products .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.page-products .fact-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  border-top: 1px solid var(--prod-paper-line);
}

.page-products .fact-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--prod-paper-line);
}

.page-products .fact-list__label {
  font-size: 0.85rem;
  color: var(--prod-paper-text);
}

.page-products .fact-list__value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-950);
}

/* ---------- 媒体框微调 ---------- */
.page-products .media-frame {
  margin: 0;
}

.page-products .release-figure {
  margin-top: clamp(1.25rem, 3.5vw, 1.75rem);
}

/* ---------- 版本迭代 ---------- */
.page-products .release-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin-top: clamp(1.25rem, 3.5vw, 1.75rem);
}

.page-products .release-card {
  border: 1px solid var(--prod-paper-line);
  background: var(--text-white);
  padding: 1rem 1.125rem;
  transition: border-color var(--dur) ease-out;
}

.page-products .release-card:hover {
  border-color: var(--pulse-cyan);
}

.page-products .release-card__label {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: #A9531C;
}

.page-products .release-card__title {
  margin: 0.4rem 0 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-950);
  line-height: 1.4;
}

.page-products .release-card p {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--prod-paper-text);
}

.page-products .device-note {
  margin-top: clamp(1.25rem, 3.5vw, 1.75rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--prod-paper-line);
}

.page-products .device-note__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-950);
}

.page-products .device-note p {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--prod-paper-text);
  max-width: 46rem;
}

.page-products .device-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 1rem !important;
}

/* ---------- 极简看赛入口 ---------- */
.page-products .pulse-entry {
  background: var(--ink-950);
  border-top: 1px solid var(--line-steel);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .pulse-entry__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-products .pulse-entry__copy h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.28;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  color: var(--text-white);
  margin: 0.4rem 0 0;
}

.page-products .pulse-entry__copy p {
  margin: 0.9rem 0 0;
  color: var(--mist-300);
  line-height: 1.8;
  max-width: 40rem;
}

.page-products .date-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line-steel);
  background: var(--ink-800);
}

.page-products .date-strip__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line-steel);
  border-left: 3px solid var(--pulse-cyan);
}

.page-products .date-strip__item:last-child {
  border-bottom: 0;
}

.page-products .date-strip__item--muted {
  border-left-color: var(--line-steel);
}

.page-products .date-strip__round {
  font-size: 0.9rem;
  color: var(--text-white);
}

.page-products .date-strip__state {
  font-size: 0.78rem;
  color: var(--mist-300);
}

.page-products .date-strip__item--muted .date-strip__state {
  color: var(--line-steel);
}

/* ---------- 适用场景 ---------- */
.page-products .use-cases {
  background: var(--ink-900);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .use-cases__head {
  max-width: 44rem;
  margin-bottom: clamp(1.25rem, 3.5vw, 2rem);
}

.page-products .use-cases__head h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.28;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  color: var(--text-white);
  margin: 0.4rem 0 0;
}

.page-products .case-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin-top: clamp(1.25rem, 3.5vw, 2rem);
}

.page-products .case-card {
  background: var(--ink-800);
  border: 1px solid var(--line-steel);
  border-top: 3px solid var(--signal-amber);
  padding: 1.125rem 1.25rem;
  min-width: 0;
  transition: border-color var(--dur) ease-out, background-color var(--dur) ease-out;
}

.page-products .case-card:hover {
  background: var(--side-slate);
  border-color: var(--pulse-cyan);
  border-top-color: var(--signal-amber);
}

.page-products .case-card__tag {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--signal-amber);
}

.page-products .case-card__title {
  margin: 0.45rem 0 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-white);
  line-height: 1.4;
}

.page-products .case-card p:not(.case-card__tag) {
  margin: 0.55rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist-300);
}

/* ---------- 后续路径 ---------- */
.page-products .next-steps {
  background: var(--ink-950);
  border-top: 1px solid var(--line-steel);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .next-steps__title {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  font-size: clamp(1.25rem, 3.4vw, 1.85rem);
  color: var(--text-white);
  margin: 0;
}

.page-products .next-steps__list {
  list-style: none;
  margin: clamp(1.25rem, 3.5vw, 1.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-steel);
  border: 1px solid var(--line-steel);
}

.page-products .next-steps__link {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.125rem;
  background: var(--ink-900);
  color: inherit;
  text-decoration: none;
  transition: background-color var(--dur) ease-out;
}

.page-products .next-steps__link:hover,
.page-products .next-steps__link:focus-visible {
  background: var(--ink-800);
}

.page-products .next-steps__link:focus-visible {
  outline: 2px solid var(--pulse-cyan);
  outline-offset: -2px;
}

.page-products .next-steps__num {
  flex: 0 0 auto;
  font-size: 0.8rem;
  color: var(--pulse-cyan);
  padding-top: 0.2rem;
}

.page-products .next-steps__body {
  display: block;
  min-width: 0;
}

.page-products .next-steps__name {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-white);
}

.page-products .next-steps__desc {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 48rem) {
  .page-products .products-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 56rem) {
  .page-products .products-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-products .pulse-entry__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 62rem) {
  .page-products .tool-folder__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products #tool-download .tool-folder__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  }

  .page-products #tool-download .media-frame {
    order: -1;
  }

  .page-products .toolbox__band {
    margin-block: clamp(1.25rem, 2.5vw, 2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .toolbox__tab,
  .page-products .tool-folder,
  .page-products .release-card,
  .page-products .case-card,
  .page-products .next-steps__link {
    transition: none;
  }
}