.page-products {
  --px-sub: #a8b9d1;
  --px-sub-ink: #4d5c7a;
  --px-line: 1px solid var(--rule);
  --px-line-strong: 1px solid var(--rule-strong);
  background: var(--ink-800);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .px-hero {
  position: relative;
  padding: 36px 0 56px;
  background:
    radial-gradient(120% 84% at 88% 0%, rgba(255, 107, 53, .16), transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(0, 194, 168, .10), transparent 62%);
}

.page-products .px-eyebrow {
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 18px;
}

.page-products .px-hero__title {
  font-size: clamp(2.1rem, 6.2vw, 4.4rem);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.06;
  margin: 0 0 22px;
  max-width: 20ch;
  color: var(--paper);
}

.page-products .px-hero__title em {
  font-style: normal;
  color: var(--orange);
}

.page-products .px-hero__lede {
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--px-sub);
  max-width: 64ch;
  margin: 0 0 32px;
}

.page-products .px-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  border: var(--px-line);
  background: var(--rule);
}

.page-products .px-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--ink-900);
}

.page-products .px-stat__num {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-products .px-stat__label {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--steel);
}

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

/* ---------- 章节骨架 ---------- */
.page-products .px-section {
  position: relative;
  padding: 56px 0;
}

.page-products .px-section--paper {
  background: var(--paper);
  color: var(--graphite);
  border-top: 1px solid rgba(11, 31, 58, .10);
  border-bottom: 1px solid rgba(11, 31, 58, .10);
}

.page-products .px-section__head {
  max-width: 760px;
  margin: 0 0 36px;
}

.page-products .px-section__no {
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange);
  margin: 0 0 12px;
}

.page-products .px-section__title {
  font-size: clamp(1.55rem, 3.6vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.22;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-products .px-section--paper .px-section__title {
  color: var(--ink-800);
}

.page-products .px-section__lede {
  font-size: 16px;
  line-height: 1.78;
  margin: 0;
  color: var(--px-sub);
}

.page-products .px-section--paper .px-section__lede {
  color: var(--px-sub-ink);
}

/* ---------- 配图 ---------- */
.page-products .px-figure {
  margin: 40px 0 0;
}

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

.page-products .px-figure .figure__caption {
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
  max-width: 74ch;
}

.page-products .px-section--paper .px-figure .figure__caption {
  color: var(--px-sub-ink);
}

/* ---------- 01 产品线选择器 ---------- */
.page-products .px-picker {
  position: relative;
  border: var(--px-line-strong);
  background: var(--ink-900);
}

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

.page-products .px-picker__list {
  display: flex;
  flex-direction: column;
  border-bottom: var(--px-line);
}

.page-products .px-picker__tab {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 3px 12px;
  padding: 15px 18px;
  cursor: pointer;
  border-left: 3px solid transparent;
  border-bottom: var(--px-line);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-products .px-picker__tab:last-child {
  border-bottom: 0;
}

.page-products .px-picker__tab:hover {
  background: rgba(22, 52, 92, .55);
}

.page-products .px-picker__no {
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .px-picker__name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-products .px-picker__brief {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.62;
  color: var(--steel);
}

.page-products .px-picker__panels {
  min-width: 0;
}

.page-products .px-picker__panel {
  display: none;
  padding: 26px 20px 30px;
}

.page-products #pline-1:checked ~ .px-picker__list .px-picker__tab[for="pline-1"],
.page-products #pline-2:checked ~ .px-picker__list .px-picker__tab[for="pline-2"],
.page-products #pline-3:checked ~ .px-picker__list .px-picker__tab[for="pline-3"],
.page-products #pline-4:checked ~ .px-picker__list .px-picker__tab[for="pline-4"],
.page-products #pline-5:checked ~ .px-picker__list .px-picker__tab[for="pline-5"],
.page-products #pline-6:checked ~ .px-picker__list .px-picker__tab[for="pline-6"] {
  background: linear-gradient(90deg, rgba(255, 107, 53, .18), transparent 72%);
  border-left-color: var(--orange);
}

.page-products #pline-1:checked ~ .px-picker__list .px-picker__tab[for="pline-1"] .px-picker__name,
.page-products #pline-2:checked ~ .px-picker__list .px-picker__tab[for="pline-2"] .px-picker__name,
.page-products #pline-3:checked ~ .px-picker__list .px-picker__tab[for="pline-3"] .px-picker__name,
.page-products #pline-4:checked ~ .px-picker__list .px-picker__tab[for="pline-4"] .px-picker__name,
.page-products #pline-5:checked ~ .px-picker__list .px-picker__tab[for="pline-5"] .px-picker__name,
.page-products #pline-6:checked ~ .px-picker__list .px-picker__tab[for="pline-6"] .px-picker__name {
  color: var(--orange);
}

.page-products #pline-1:focus-visible ~ .px-picker__list .px-picker__tab[for="pline-1"],
.page-products #pline-2:focus-visible ~ .px-picker__list .px-picker__tab[for="pline-2"],
.page-products #pline-3:focus-visible ~ .px-picker__list .px-picker__tab[for="pline-3"],
.page-products #pline-4:focus-visible ~ .px-picker__list .px-picker__tab[for="pline-4"],
.page-products #pline-5:focus-visible ~ .px-picker__list .px-picker__tab[for="pline-5"],
.page-products #pline-6:focus-visible ~ .px-picker__list .px-picker__tab[for="pline-6"] {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.page-products #pline-1:checked ~ .px-picker__panels .px-picker__panel[data-panel="1"],
.page-products #pline-2:checked ~ .px-picker__panels .px-picker__panel[data-panel="2"],
.page-products #pline-3:checked ~ .px-picker__panels .px-picker__panel[data-panel="3"],
.page-products #pline-4:checked ~ .px-picker__panels .px-picker__panel[data-panel="4"],
.page-products #pline-5:checked ~ .px-picker__panels .px-picker__panel[data-panel="5"],
.page-products #pline-6:checked ~ .px-picker__panels .px-picker__panel[data-panel="6"] {
  display: block;
}

.page-products .px-picker__kicker {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--teal);
  margin: 0 0 12px;
}

.page-products .px-picker__ptitle {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.38;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-products .px-picker__pdesc {
  font-size: 15.5px;
  line-height: 1.76;
  margin: 0 0 22px;
  max-width: 62ch;
  color: var(--px-sub);
}

.page-products .px-picker__meta {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  border: var(--px-line);
  background: var(--rule);
}

.page-products .px-picker__meta-item {
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-products .px-picker__meta-item dt {
  font-size: 12px;
  letter-spacing: .1em;
  margin: 0 0 6px;
  color: var(--orange);
}

.page-products .px-picker__meta-item dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--px-sub);
}

/* ---------- 02 第 4 版 ---------- */
.page-products .px-v4 {
  display: grid;
  gap: 1px;
  border: 1px solid rgba(11, 31, 58, .14);
  background: rgba(11, 31, 58, .14);
}

.page-products .px-v4__card {
  padding: 24px 22px 26px;
  background: #ffffff;
}

.page-products .px-v4__card--wide {
  background: var(--ink-800);
  color: var(--paper);
}

.page-products .px-v4__k {
  font-size: 12px;
  letter-spacing: .16em;
  margin: 0 0 12px;
  color: var(--teal-deep);
}

.page-products .px-v4__card--wide .px-v4__k {
  color: var(--teal);
}

.page-products .px-v4__title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.42;
  margin: 0 0 12px;
  color: var(--ink-800);
}

.page-products .px-v4__card--wide .px-v4__title {
  color: var(--paper);
}

.page-products .px-v4__desc {
  font-size: 15px;
  line-height: 1.78;
  margin: 0;
  color: var(--px-sub-ink);
}

.page-products .px-v4__card--wide .px-v4__desc {
  color: var(--px-sub);
}

/* ---------- 03 分类标签对照 ---------- */
.page-products .px-map {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--px-line);
}

.page-products .px-map__row {
  display: grid;
  gap: 10px;
  padding: 16px 16px 16px 14px;
  border-bottom: var(--px-line);
  border-left: 3px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-products .px-map__row:hover,
.page-products .px-map__row:focus-within {
  background: rgba(255, 107, 53, .08);
  border-left-color: var(--orange);
}

.page-products .px-map__cat {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  transition: color .18s var(--ease);
}

.page-products .px-map__row:hover .px-map__cat,
.page-products .px-map__row:focus-within .px-map__cat {
  color: var(--orange);
}

.page-products .px-map__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 04 交叉筛选示例 ---------- */
.page-products .px-combos {
  display: grid;
  gap: 18px;
}

.page-products .px-combo {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  background: #ffffff;
  border: 1px solid rgba(11, 31, 58, .14);
  border-left: 4px solid var(--teal);
}

.page-products .px-combo__label {
  font-size: 12px;
  letter-spacing: .16em;
  margin: 0;
  color: var(--teal-deep);
}

.page-products .px-combo__expr {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.page-products .px-combo__plus {
  font-size: 14px;
  color: var(--steel);
}

.page-products .px-combo__hit {
  margin: 0;
  font-size: 14px;
  color: var(--px-sub-ink);
}

.page-products .px-combo__hit strong {
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
}

.page-products .px-combo__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--px-sub-ink);
}

.page-products .px-combo__copy {
  align-self: flex-start;
  margin-top: 4px;
}

.page-products .chip--on {
  display: inline-flex;
  align-items: center;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--teal);
  background: rgba(0, 194, 168, .10);
  color: var(--teal-deep);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}

/* ---------- 05 版本演进 ---------- */
.page-products .px-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: var(--px-line);
  background: var(--rule);
}

.page-products .px-ladder__step {
  padding: 22px 20px 24px;
  border-left: 3px solid var(--steel);
  background: var(--ink-900);
}

.page-products .px-ladder__step:nth-child(2) {
  background: var(--ink-800);
  border-left-color: var(--teal);
}

.page-products .px-ladder__step:nth-child(3) {
  background: var(--ink-700);
  border-left-color: var(--orange);
}

.page-products .px-ladder__badge {
  font-size: 12px;
  letter-spacing: .16em;
  margin: 0 0 10px;
  color: var(--orange-soft);
}

.page-products .px-ladder__step:nth-child(3) .px-ladder__badge {
  color: var(--orange);
}

.page-products .px-ladder__title {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.42;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-products .px-ladder__desc {
  font-size: 14.5px;
  line-height: 1.76;
  margin: 0;
  max-width: 60ch;
  color: var(--px-sub);
}

.page-products .px-cadence {
  display: grid;
  gap: 14px;
  margin-top: 28px;
  padding: 20px 20px 22px;
  border: var(--px-line);
  background: linear-gradient(120deg, rgba(22, 52, 92, .85), rgba(6, 20, 40, .88));
}

.page-products .px-cadence__label {
  font-size: 12px;
  letter-spacing: .18em;
  margin: 0;
  color: var(--teal);
}

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

.page-products .px-cadence__list li {
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--px-sub);
}

.page-products .px-cadence__list strong {
  margin-right: 8px;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 06 下载与权限 ---------- */
.page-products .px-access {
  display: grid;
  gap: 16px;
}

.page-products .px-access__card {
  padding: 24px 22px 26px;
  background: #ffffff;
  border: 1px solid rgba(11, 31, 58, .14);
}

.page-products .px-access__card--key {
  border-color: rgba(255, 107, 53, .7);
  box-shadow: 8px 8px 0 rgba(255, 107, 53, .16);
}

.page-products .px-access__k {
  font-size: 12px;
  letter-spacing: .16em;
  margin: 0 0 14px;
  color: var(--px-sub-ink);
}

.page-products .px-access__num {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 12px;
  font-size: clamp(2.2rem, 7vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink-800);
}

.page-products .px-access__card--key .px-access__num {
  color: var(--orange);
}

.page-products .px-access__unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--px-sub-ink);
}

.page-products .px-access__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--px-sub-ink);
}

.page-products .px-roles {
  margin-top: 32px;
}

.page-products .px-roles__label {
  font-size: 12px;
  letter-spacing: .18em;
  margin: 0 0 16px;
  color: var(--teal-deep);
}

.page-products .px-roles__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid rgba(11, 31, 58, .14);
  background: rgba(11, 31, 58, .14);
}

.page-products .px-roles__item {
  padding: 18px 20px;
  background: var(--paper);
}

.page-products .px-roles__item h3 {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--ink-800);
}

.page-products .px-roles__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--px-sub-ink);
}

/* ---------- 07 选型建议 ---------- */
.page-products .px-advice {
  display: grid;
  gap: 18px;
}

.page-products .px-advice__card {
  padding: 26px 22px 28px;
  border: var(--px-line);
  background: rgba(22, 52, 92, .45);
}

.page-products .px-advice__card--accent {
  border-color: rgba(255, 107, 53, .55);
  background: linear-gradient(150deg, rgba(255, 107, 53, .16), rgba(22, 52, 92, .55) 62%);
}

.page-products .px-advice__no {
  font-size: 12px;
  letter-spacing: .16em;
  margin: 0 0 14px;
  color: var(--orange);
}

.page-products .px-advice__card h3 {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.42;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-products .px-advice__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--px-sub);
}

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

.page-products .px-advice__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper);
}

.page-products .px-advice__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 2px;
  background: var(--teal);
}

.page-products .px-cta {
  display: grid;
  gap: 20px;
  margin-top: 34px;
  padding: 26px 22px 28px;
  border: var(--px-line-strong);
  background: var(--ink-900);
}

.page-products .px-cta__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.76;
  max-width: 52ch;
  color: var(--paper);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .px-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

@media (min-width: 760px) {
  .page-products .px-map__row {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    padding: 16px 18px;
  }
}

@media (min-width: 960px) {
  .page-products .px-hero {
    padding: 64px 0 88px;
  }

  .page-products .px-section {
    padding: 80px 0;
  }

  .page-products .px-picker {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
  }

  .page-products .px-picker__list {
    border-bottom: 0;
    border-right: var(--px-line);
  }

  .page-products .px-picker__panel {
    padding: 34px 34px 38px;
  }

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

  .page-products .px-v4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .px-v4__card--wide {
    grid-column: 1 / -1;
  }

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

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

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

@media (prefers-reduced-motion: reduce) {
  .page-products .px-picker__tab,
  .page-products .px-map__row,
  .page-products .px-map__cat {
    transition: none;
  }
}