.page-products {
  --app-red: var(--maple);
  --app-red-deep: var(--maple-deep);
  --app-ink: var(--ink);
  --app-slate: var(--slate);
  --app-steel: var(--steel);
  --app-mist: var(--mist);
  --app-paper: var(--paper);
  --app-line: var(--line);
  --app-blue: var(--mist-blue);
  --app-mono: var(--font-mono);
  --app-display: var(--font-display);
  --app-body: var(--font-body);
  --app-radius: 2px;
  overflow-x: hidden;
  color: var(--app-ink);
  background: var(--app-mist);
}

.page-products .section {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-products .section-title {
  margin: 0;
  font-family: var(--app-display);
  font-weight: 300;
  font-stretch: condensed;
  letter-spacing: -0.02em;
  font-size: clamp(2rem, 3.4vw, 3.6rem);
  line-height: 1.02;
  color: var(--app-ink);
}

.page-products .eyebrow {
  margin: 0 0 12px;
  font-family: var(--app-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--app-steel);
}

.page-products a {
  color: inherit;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--app-radius);
  font-family: var(--app-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  transition: background-color 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .btn--primary {
  background: var(--app-red);
  border: 1px solid var(--app-red);
  color: #fff;
}

.page-products .btn--primary:hover {
  background: var(--app-red-deep);
  border-color: var(--app-red-deep);
}

.page-products .btn--ghost {
  background: transparent;
  border: 1px solid var(--app-line);
  color: var(--app-ink);
}

.page-products .btn--ghost:hover {
  border-color: var(--app-red);
  color: var(--app-red);
}

.page-products .btn:focus-visible,
.page-products a:focus-visible,
.page-products .apps-tab:focus-visible,
.page-products .flow-step:focus-visible,
.page-products .copy-btn:focus-visible {
  outline: 2px solid var(--app-red);
  outline-offset: 4px;
}

/* 首屏 */
.page-products .product-hero {
  padding-block: clamp(36px, 6vw, 72px) clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--app-line);
}

.page-products .product-hero__grid {
  display: grid;
  gap: 28px;
}

.page-products .product-hero__title h1 {
  margin: 0;
  max-width: 12ch;
  font-family: var(--app-display);
  font-weight: 200;
  font-stretch: condensed;
  letter-spacing: -0.02em;
  font-size: clamp(3.2rem, 7vw, 7.5rem);
  line-height: 0.95;
  color: var(--app-ink);
}

.page-products .product-hero__aside {
  align-self: end;
}

.page-products .product-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-family: var(--app-body);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.85;
  color: var(--app-slate);
}

.page-products .product-hero__meta {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--app-line);
  font-family: var(--app-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--app-steel);
}

.page-products .product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* 分段切换 */
.page-products .apps-switch {
  border-bottom: 1px solid var(--app-line);
}

.page-products .section-head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-products .apps-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .apps-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--app-line);
  scrollbar-width: thin;
}

.page-products .apps-tab {
  flex: 0 0 auto;
  padding: 14px 16px;
  border-bottom: 2px solid transparent;
  font-family: var(--app-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.4;
  color: var(--app-steel);
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-products .apps-tab:hover {
  color: var(--app-ink);
  background: var(--app-paper);
}

.page-products .apps-panels {
  padding-top: clamp(24px, 4vw, 40px);
}

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

.page-products .apps-radio:nth-of-type(1):checked ~ .apps-tabs .apps-tab:nth-child(1),
.page-products .apps-radio:nth-of-type(2):checked ~ .apps-tabs .apps-tab:nth-child(2),
.page-products .apps-radio:nth-of-type(3):checked ~ .apps-tabs .apps-tab:nth-child(3),
.page-products .apps-radio:nth-of-type(4):checked ~ .apps-tabs .apps-tab:nth-child(4),
.page-products .apps-radio:nth-of-type(5):checked ~ .apps-tabs .apps-tab:nth-child(5) {
  border-bottom-color: var(--app-red);
  color: var(--app-ink);
  background: transparent;
}

.page-products .apps-radio:nth-of-type(1):checked ~ .apps-panels .apps-panel:nth-child(1),
.page-products .apps-radio:nth-of-type(2):checked ~ .apps-panels .apps-panel:nth-child(2),
.page-products .apps-radio:nth-of-type(3):checked ~ .apps-panels .apps-panel:nth-child(3),
.page-products .apps-radio:nth-of-type(4):checked ~ .apps-panels .apps-panel:nth-child(4),
.page-products .apps-radio:nth-of-type(5):checked ~ .apps-panels .apps-panel:nth-child(5) {
  display: block;
}

.page-products #app-tab-1:focus-visible ~ .apps-tabs [for="app-tab-1"],
.page-products #app-tab-2:focus-visible ~ .apps-tabs [for="app-tab-2"],
.page-products #app-tab-3:focus-visible ~ .apps-tabs [for="app-tab-3"],
.page-products #app-tab-4:focus-visible ~ .apps-tabs [for="app-tab-4"],
.page-products #app-tab-5:focus-visible ~ .apps-tabs [for="app-tab-5"] {
  outline: 2px solid var(--app-red);
  outline-offset: -2px;
}

.page-products .app-panel__grid {
  display: grid;
  gap: 22px;
}

.page-products .app-panel__mark {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-left: 16px;
  border-left: 4px solid var(--app-red);
}

.page-products .app-panel__id {
  font-family: var(--app-display);
  font-weight: 300;
  font-stretch: condensed;
  font-size: clamp(3.6rem, 8vw, 6.6rem);
  line-height: 0.8;
  color: var(--app-ink);
}

.page-products .app-panel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .app-tag {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid var(--app-line);
  font-family: var(--app-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--app-steel);
  background: var(--app-paper);
}

.page-products .app-panel__body h3 {
  margin: 0 0 12px;
  font-family: var(--app-display);
  font-weight: 300;
  font-stretch: condensed;
  letter-spacing: -0.01em;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1.2;
}

.page-products .app-panel__body p {
  margin: 0;
  max-width: 62ch;
  font-family: var(--app-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--app-slate);
}

.page-products .app-panel__body > * + * {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--app-line);
}

.page-products .app-panel__meta {
  font-family: var(--app-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--app-steel) !important;
}

.page-products .app-panel__link a {
  display: inline-block;
  font-family: var(--app-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--app-red);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-products .app-panel__link a:hover {
  color: var(--app-red-deep);
}

.page-products .app-panel__media {
  align-self: start;
}

/* 分类章节 */
.page-products .catalog {
  background: var(--app-paper);
  border-top: 1px solid var(--app-line);
  border-bottom: 1px solid var(--app-line);
}

.page-products .catalog__grid {
  display: grid;
  gap: 28px;
}

.page-products .catalog__intro p {
  margin: 18px 0 0;
  max-width: 58ch;
  font-family: var(--app-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--app-slate);
}

.page-products .catalog__link {
  margin-top: 20px;
}

.page-products .catalog__link a {
  font-size: 15px;
  font-weight: 600;
  color: var(--app-red);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-products .catalog__link a:hover {
  color: var(--app-red-deep);
}

.page-products .catalog__list {
  border-top: 1px solid var(--app-line);
}

.page-products .catalog-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding-block: 20px;
  border-bottom: 1px solid var(--app-line);
}

.page-products .catalog-row__num {
  font-family: var(--app-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--app-red);
}

.page-products .catalog-row__body h3 {
  margin: 0 0 8px;
  font-family: var(--app-display);
  font-weight: 400;
  font-stretch: condensed;
  font-size: 1.25rem;
  line-height: 1.2;
}

.page-products .catalog-row__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--app-slate);
}

.page-products .catalog__figure {
  margin-top: clamp(28px, 4vw, 44px);
}

/* 场景 */
.page-products .scenes {
  background: var(--app-mist);
}

.page-products .scenes__grid {
  display: grid;
  gap: 28px;
}

.page-products .scenes__figure {
  align-self: start;
}

.page-products .scene-list {
  margin-top: 24px;
  border-top: 1px solid var(--app-line);
}

.page-products .scene-row {
  display: grid;
  gap: 10px;
  padding-block: 18px;
  border-bottom: 1px solid var(--app-line);
}

.page-products .scene-row__label {
  font-family: var(--app-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--app-red);
}

.page-products .scene-row__body h3 {
  margin: 0 0 6px;
  font-family: var(--app-display);
  font-weight: 400;
  font-stretch: condensed;
  font-size: 1.2rem;
  line-height: 1.25;
}

.page-products .scene-row__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--app-slate);
}

/* 流程 */
.page-products .flow {
  background: var(--app-paper);
  border-top: 1px solid var(--app-line);
}

.page-products .flow__grid {
  display: grid;
  gap: 28px;
}

.page-products .flow__svg {
  display: block;
  width: 100%;
  height: auto;
  margin-block: 22px;
}

.page-products .flow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--app-line);
}

.page-products .flow-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-block: 18px;
  border-bottom: 1px solid var(--app-line);
  cursor: default;
  transition: background-color 160ms var(--ease), padding-left 160ms var(--ease);
}

.page-products .flow-step:hover,
.page-products .flow-step:focus-visible {
  background: var(--app-mist);
  padding-left: 8px;
}

.page-products .flow-step__num {
  font-family: var(--app-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--app-red);
}

.page-products .flow-step__body h3 {
  margin: 0 0 6px;
  font-family: var(--app-display);
  font-weight: 400;
  font-stretch: condensed;
  font-size: 1.2rem;
  line-height: 1.25;
}

.page-products .flow-step__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--app-slate);
}

/* 服务范围带 */
.page-products .scope-band {
  background: var(--app-ink);
  color: var(--app-mist);
}

.page-products .scope-band__figure {
  margin: 0;
  overflow: hidden;
}

.page-products .scope-band__figure .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  opacity: 0.78;
  filter: grayscale(0.3) contrast(0.95);
}

.page-products .scope-band__body {
  display: grid;
  gap: 22px;
  padding-block: clamp(32px, 5vw, 56px);
}

.page-products .scope-band__copy .eyebrow {
  color: var(--app-blue);
}

.page-products .scope-band__copy .section-title {
  color: var(--app-mist);
}

.page-products .scope-band__copy p:not(.eyebrow) {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--app-blue);
}

.page-products .scope-band__actions {
  align-self: end;
}

/* 订阅 */
.page-products .subscribe {
  background: var(--app-ink);
  color: var(--app-mist);
}

.page-products .subscribe__inner {
  display: grid;
  gap: 26px;
}

.page-products .subscribe .eyebrow {
  color: var(--app-blue);
}

.page-products .subscribe .section-title {
  color: var(--app-mist);
}

.page-products .subscribe__copy p {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--app-blue);
}

.page-products .subscribe__path-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 14px 0;
  border-top: 1px solid rgba(242, 243, 240, 0.16);
  border-bottom: 1px solid rgba(242, 243, 240, 0.16);
}

.page-products .subscribe__path {
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  font-family: var(--app-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--app-mist);
}

.page-products .subscribe .copy-btn {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid rgba(242, 243, 240, 0.4);
  border-radius: var(--app-radius);
  background: transparent;
  color: var(--app-mist);
  font-family: var(--app-body);
  font-size: 13px;
  cursor: pointer;
}

.page-products .subscribe .copy-btn:hover {
  border-color: var(--app-mist);
}

.page-products .subscribe__actions {
  margin-top: 22px;
}

/* 媒体通用 */
.page-products .media {
  position: relative;
  margin: 0;
  background: var(--app-paper);
  border: 1px solid var(--app-line);
  border-radius: var(--app-radius);
  overflow: hidden;
}

.page-products .media::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 18px 18px;
  border-color: transparent transparent var(--app-red) transparent;
  pointer-events: none;
}

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

.page-products .media__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--app-line);
  font-family: var(--app-mono);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--app-steel);
  background: var(--app-paper);
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-products .product-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .product-hero__title {
    padding-bottom: 6px;
  }

  .page-products .product-hero__aside {
    padding-bottom: 6px;
  }

  .page-products .apps-tab {
    padding: 16px 22px;
    font-size: 12px;
  }

  .page-products .app-panel__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .app-panel__grid--with-media {
    grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 4fr);
  }

  .page-products .catalog__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .scenes__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .flow__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .scope-band__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .subscribe__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>