.page-products {
  --prod-edge: 20px;
  --prod-gap: 24px;
  --prod-wrap: var(--wrap);
}

.page-products .prod-crumbs {
  padding-top: 22px;
}

.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 46px;
  border-bottom: 1px solid var(--line);
}

.page-products .prod-hero__slash {
  position: absolute;
  top: -22%;
  right: -14%;
  width: 82%;
  height: 140%;
  background: linear-gradient(158deg, rgba(53, 225, 214, 0.24), rgba(123, 77, 255, 0.18) 52%, rgba(7, 10, 18, 0) 78%);
  transform: skewY(-7deg);
  pointer-events: none;
}

.page-products .prod-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(38, 49, 63, 0.55) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(38, 49, 63, 0.4) 0 1px, transparent 1px 44px);
  opacity: 0.55;
  pointer-events: none;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  max-width: 16ch;
}

.page-products .prod-hero__lede {
  margin-top: 18px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-products .prod-hero__index {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-products .prod-hero__index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  border-left: 1px solid var(--line);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-products .prod-hero__index a:hover,
.page-products .prod-hero__index a:focus-visible {
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.page-products .prod-hero__index .mono {
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.page-products .prod-hero__note {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 62ch;
}

.page-products .prod-hero__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 225, 214, 0.4);
}

.page-products .prod-section {
  padding: 44px 0 0;
}

.page-products .prod-section--band {
  padding-top: 52px;
}

.page-products .prod-lede {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 56ch;
}

.page-products .tool-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

.page-products .tool-main {
  padding: 24px var(--prod-edge) 28px;
}

.page-products .tool-side {
  padding: 24px var(--prod-edge) 28px;
}

.page-products .tool-main h2,
.page-products .tool-side h2,
.page-products .section-head__title,
.page-products .start-block h2,
.page-products .prod-cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 8px 0 0;
  font-size: clamp(22px, 5vw, 32px);
}

.page-products .tool-main .editorial,
.page-products .tool-side .editorial,
.page-products .start-block .editorial {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  max-width: 62ch;
}

.page-products .tool-main__fig,
.page-products .tool-side__fig {
  margin: 20px 0 0;
}

.page-products .spec-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .spec-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .spec-list__num {
  font-size: 18px;
  color: var(--cyan);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .spec-list--tight .spec-list__num {
  font-size: 16px;
  color: var(--violet);
}

/* 时间粒度切换 */
.page-products .grain {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .grain__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

.page-products .grain__tabs,
.page-products .format-switch__tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.page-products .grain__tab,
.page-products .format-switch__tab {
  cursor: pointer;
  padding: 7px 14px;
  border: 1px solid var(--line);
  background: rgba(27, 36, 49, 0.6);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-products .grain__tab:hover,
.page-products .format-switch__tab:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-products .grain__input:focus-visible ~ .grain__tabs .grain__tab,
.page-products .format-switch__input:focus-visible ~ .format-switch__tabs .format-switch__tab {
  outline: 1px dashed var(--cyan);
  outline-offset: 2px;
}

.page-products .grain__panels,
.page-products .format-switch__panels {
  margin-top: 14px;
}

.page-products .grain__panel {
  display: none;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
  max-width: 58ch;
}

.page-products #grain-min:checked ~ .grain__tabs .grain__tab[for="grain-min"],
.page-products #grain-round:checked ~ .grain__tabs .grain__tab[for="grain-round"],
.page-products #grain-match:checked ~ .grain__tabs .grain__tab[for="grain-match"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-products #grain-min:checked ~ .grain__panels .grain__panel--min,
.page-products #grain-round:checked ~ .grain__panels .grain__panel--round,
.page-products #grain-match:checked ~ .grain__panels .grain__panel--match {
  display: block;
}

/* 概率区间 SVG */
.page-products .odds-band {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 18px;
}

/* 横滑条带 */
.page-products .prod-band {
  position: relative;
  margin-top: 22px;
}

.page-products .prod-band::before,
.page-products .prod-band::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 14px;
  width: 28px;
  pointer-events: none;
  z-index: 2;
}

.page-products .prod-band::before {
  left: 0;
  background: linear-gradient(90deg, var(--ink), rgba(7, 10, 18, 0));
}

.page-products .prod-band::after {
  right: 0;
  background: linear-gradient(270deg, var(--ink), rgba(7, 10, 18, 0));
}

.page-products .prod-band__track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px var(--prod-edge) 18px;
  scrollbar-color: var(--cyan) var(--glass);
  scrollbar-width: thin;
}

.page-products .prod-band__track:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .band-card {
  flex: 0 0 84%;
  scroll-snap-align: start;
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .band-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.25;
  margin: 0;
}

.page-products .band-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .band-card__fig {
  margin: 4px 0 0;
}

.page-products .mini-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .mini-list li {
  padding-left: 16px;
  position: relative;
}

.page-products .mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-products .mini-list--check li::before {
  background: var(--lime);
}

.page-products .mini-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 225, 214, 0.4);
}

/* 导出格式 */
.page-products .format-switch {
  margin-top: 4px;
}

.page-products .format-sample {
  display: none;
  margin: 0;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text);
  background: rgba(7, 10, 18, 0.75);
  border: 1px solid var(--line);
  overflow-x: auto;
  white-space: pre;
}

.page-products #fmt-csv:checked ~ .format-switch__tabs .format-switch__tab[for="fmt-csv"],
.page-products #fmt-json:checked ~ .format-switch__tabs .format-switch__tab[for="fmt-json"] {
  color: var(--ink);
  background: var(--violet);
  border-color: var(--violet);
  font-weight: 600;
}

.page-products #fmt-csv:checked ~ .format-switch__panels .format-sample--csv,
.page-products #fmt-json:checked ~ .format-switch__panels .format-sample--json {
  display: block;
}

.page-products .format-switch__hint {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

.page-products #fmt-csv:checked ~ .format-switch__hint::after {
  content: "";
}

/* 场景时间轴 */
.page-products .scene-rail {
  margin-top: 22px;
  position: relative;
}

.page-products .scene-rail::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 16px;
  width: 34px;
  background: linear-gradient(270deg, var(--ink), rgba(7, 10, 18, 0));
  pointer-events: none;
}

.page-products .scene-rail__track {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 4px var(--prod-edge) 18px 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-color: var(--violet) var(--glass);
  scrollbar-width: thin;
}

.page-products .scene-rail__track:focus-visible {
  outline: 1px solid var(--violet);
  outline-offset: 4px;
}

.page-products .scene-card {
  flex: 0 0 82%;
  scroll-snap-align: start;
  position: relative;
  padding: 22px 18px 24px;
  background: var(--panel);
  border-top: 2px solid var(--violet);
}

.page-products .scene-card + .scene-card {
  margin-left: 16px;
}

.page-products .scene-card__idx {
  font-size: 30px;
  color: var(--violet);
  margin: 0;
  letter-spacing: 0.02em;
}

.page-products .scene-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  margin: 6px 0 0;
}

.page-products .scene-card__target {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .scene-card__steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: sc;
}

.page-products .scene-card__steps li {
  position: relative;
  padding-left: 80px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
  counter-increment: sc;
}

.page-products .scene-card__steps li::before {
  content: "STEP " counter(sc);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* 上手步骤 */
.page-products .start-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

.page-products .start-block__lead {
  padding: 24px var(--prod-edge) 26px;
}

.page-products .start-block__hint {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .start-block__hint .mono {
  color: var(--lime);
  font-size: 15px;
}

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

.page-products .start-step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 20px 18px;
  background: var(--panel);
  border-left: 2px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .start-step:hover {
  border-left-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .start-step__num {
  font-size: 22px;
  color: var(--amber);
  letter-spacing: 0.03em;
}

.page-products .start-step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
}

.page-products .start-step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .start-step a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 225, 214, 0.4);
}

/* CTA */
.page-products .prod-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: 28px var(--prod-edge) 30px;
  margin-bottom: 56px;
  background: linear-gradient(135deg, rgba(53, 225, 214, 0.09), rgba(123, 77, 255, 0.12) 60%, rgba(16, 22, 31, 0.9));
}

.page-products .prod-cta p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  max-width: 58ch;
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

@media (min-width: 720px) {
  .page-products {
    --prod-edge: 30px;
    --prod-gap: 32px;
  }

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

  .page-products .band-card {
    flex: 0 0 46%;
  }

  .page-products .scene-card {
    flex: 0 0 46%;
  }

  .page-products .start-block {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products .prod-hero {
    padding: 44px 0 76px;
  }

  .page-products .prod-hero__slash {
    width: 62%;
  }

  .page-products .tool-pair {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .tool-side {
    margin-top: 56px;
  }

  .page-products .band-card {
    flex: 0 0 31.5%;
  }

  .page-products .scene-card {
    flex: 0 0 31%;
  }

  .page-products .scene-rail__track {
    padding-right: 0;
  }

  .page-products .start-block {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 36px;
  }

  .page-products .prod-section {
    padding-top: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .start-step,
  .page-products .grain__tab,
  .page-products .format-switch__tab,
  .page-products .prod-hero__index a {
    transition: none;
  }

  .page-products .start-step:hover {
    transform: none;
  }
}