.page-products {
  --pf-panel: #11151B;
  --pf-hair: #26303A;
  --pf-soft: rgba(41, 224, 138, .07);
  --pf-shadow: 4px 4px 0 rgba(38, 48, 58, .55);
  padding-bottom: 88px;
}

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

.page-products .breadcrumb {
  padding: 20px 0 16px;
  font-size: 14px;
  color: var(--fog);
}

.page-products .breadcrumb__link {
  color: var(--fog);
  text-decoration: none;
}

.page-products .breadcrumb__link:hover {
  color: var(--signal);
}

/* ---------- Hero ---------- */
.pf-hero {
  background:
    linear-gradient(180deg, rgba(41, 224, 138, .08), rgba(41, 224, 138, 0) 72%),
    var(--carbon);
  border-bottom: 1px solid var(--pf-hair);
}

.pf-hero__grid {
  display: grid;
  gap: 30px;
  padding: 30px 0 40px;
}

.pf-kicker {
  display: inline-block;
  margin: 0 0 16px;
  color: var(--signal);
  border-bottom: 1px solid var(--signal);
  padding-bottom: 6px;
}

.pf-h1 {
  margin: 0 0 18px;
  font-size: 36px;
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.pf-lead {
  max-width: 58ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.75;
  color: #B4C0CB;
}

.pf-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pf-hero__toc {
  border: 1px solid var(--pf-hair);
  background: rgba(6, 8, 11, .55);
  padding: 16px;
  box-shadow: var(--pf-shadow);
}

.pf-toc__title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pf-hair);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--fog);
  text-transform: uppercase;
}

.pf-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.pf-toc a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 8px;
  border-left: 3px solid transparent;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.pf-toc a:hover {
  border-left-color: var(--signal);
  background: var(--pf-soft);
}

.pf-toc__no {
  color: var(--signal);
  font-size: 13px;
  letter-spacing: .06em;
}

/* ---------- Section shell ---------- */
.page-products .pf-section {
  padding: 52px 0;
  border-bottom: 1px solid var(--pf-hair);
}

.page-products .section-head {
  margin-bottom: 30px;
}

.page-products .section-head__kicker {
  margin: 0 0 12px;
  color: var(--signal);
}

.page-products .section-head__title {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--paper);
}

.page-products .section-head__note {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog);
}

/* ---------- 01 通道步骤条 ---------- */
.pf-steps {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  border-top: 1px solid var(--pf-hair);
}

.pf-step {
  padding: 22px 0;
  border-bottom: 1px solid var(--pf-hair);
}

.pf-step__no {
  display: block;
  margin-bottom: 10px;
  font-size: 40px;
  line-height: 1;
  color: var(--signal);
  letter-spacing: -.02em;
}

.pf-step__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.pf-step__desc {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.7;
  color: #A6B2BE;
}

.pf-channel__fig {
  margin: 0;
}

/* ---------- 02 两条内容线 ---------- */
.pf-lines {
  display: grid;
  margin-bottom: 30px;
}

.pf-line {
  padding: 24px 0;
}

.pf-line--b {
  border-top: 1px solid var(--pf-hair);
}

.pf-line__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
}

.pf-line--a .pf-line__tag {
  color: var(--signal);
}

.pf-line--b .pf-line__tag {
  color: var(--data);
}

.pf-line__title {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--paper);
}

.pf-line__text {
  margin: 0 0 16px;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.75;
  color: #A6B2BE;
}

.pf-line__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.pf-line__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.pf-line__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 1px;
  background: currentColor;
  opacity: .7;
}

.pf-line--a .pf-line__list li::before {
  background: var(--signal);
}

.pf-line--b .pf-line__list li::before {
  background: var(--data);
}

.pf-lines__fig {
  margin: 0;
}

/* ---------- 03 横向指标 ---------- */
.pf-metrics {
  display: grid;
  gap: 28px;
}

.pf-chart-card {
  border: 1px solid var(--pf-hair);
  background: var(--pf-panel);
  padding: 18px;
  box-shadow: var(--pf-shadow);
}

.pf-chart-card__title {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pf-hair);
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--fog);
  text-transform: uppercase;
}

.pf-radar {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
}

.pf-radar__grid {
  fill: rgba(41, 224, 138, .04);
  stroke: var(--pf-hair);
  stroke-width: 1;
}

.pf-radar__grid--inner {
  fill: none;
  stroke-dasharray: 2 4;
}

.pf-radar__spoke {
  stroke: var(--pf-hair);
  stroke-width: 1;
}

.pf-radar__a {
  fill: rgba(41, 224, 138, .22);
  stroke: var(--signal);
  stroke-width: 2;
}

.pf-radar__b {
  fill: rgba(74, 140, 255, .16);
  stroke: var(--data);
  stroke-width: 2;
  stroke-dasharray: 5 4;
}

.pf-radar__dot--a {
  fill: var(--signal);
}

.pf-radar__dot--b {
  fill: var(--data);
}

.pf-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0 10px;
  font-size: 14px;
  color: var(--fog);
}

.pf-legend__key {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.pf-legend__swatch {
  display: inline-block;
  width: 14px;
  height: 3px;
}

.pf-legend__swatch--a {
  background: var(--signal);
}

.pf-legend__swatch--b {
  background: var(--data);
}

.pf-chart-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.pf-table {
  border: 1px solid var(--pf-hair);
  background: var(--pf-panel);
  overflow-x: auto;
}

.page-products .pf-table__cap {
  padding: 14px 16px 10px;
  text-align: left;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--fog);
  text-transform: uppercase;
}

.page-products .data-table--sticky th:first-child,
.page-products .data-table--sticky td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--pf-panel);
}

.page-products .data-table--sticky thead th:first-child {
  background: var(--index);
  z-index: 2;
}

.pf-table__hint {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.pf-metrics__fig {
  max-width: 520px;
  margin: 34px auto 0;
}

/* ---------- 04 交锋时间轴 ---------- */
.pf-timeline {
  list-style: none;
  margin: 0 0 30px;
  padding: 0 0 12px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 82%);
  gap: 0;
  overflow-x: auto;
  border-top: 1px solid var(--pf-hair);
  scroll-snap-type: x proximity;
}

.pf-tl {
  scroll-snap-align: start;
  padding: 20px 20px 20px 0;
  border-right: 1px solid var(--pf-hair);
}

.pf-tl + .pf-tl {
  padding-left: 20px;
}

.pf-tl:last-child {
  border-right: 0;
}

.pf-tl__season {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--pf-hair);
  color: var(--signal);
  font-size: 14px;
  letter-spacing: .06em;
}

.pf-tl__range {
  margin: 12px 0 6px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--fog);
}

.pf-tl__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.pf-tl__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #A6B2BE;
}

.pf-h2h__fig {
  margin: 0;
}

/* ---------- 05 版本清单 ---------- */
.pf-version {
  display: grid;
  gap: 28px;
}

.pf-check {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--pf-hair);
  background: var(--pf-panel);
  box-shadow: var(--pf-shadow);
}

.pf-check__item {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--pf-hair);
}

.pf-check__item:last-child {
  border-bottom: 0;
}

.pf-check__mark {
  flex: 0 0 22px;
  height: 22px;
  margin-top: 2px;
  display: grid;
  place-items: center;
  border: 1px solid var(--signal);
  color: var(--signal);
  font-size: 13px;
  line-height: 1;
}

.pf-check__mark--alt {
  border-color: var(--alert);
  color: var(--alert);
}

.pf-check__head {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 700;
  color: var(--paper);
}

.pf-check__head .tag {
  margin-right: 8px;
  vertical-align: middle;
}

.pf-check__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.pf-version__fig {
  margin: 0;
}

/* ---------- 06 三步上手 ---------- */
.pf-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.pf-track__item {
  padding: 22px 0;
  border-top: 2px solid var(--pf-hair);
}

.pf-track__when {
  display: inline-block;
  margin: 0 0 12px;
  color: var(--signal);
}

.pf-track__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}

.pf-track__desc {
  margin: 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.75;
  color: #A6B2BE;
}

/* ---------- CTA ---------- */
.pf-cta {
  margin-top: 8px;
  background: linear-gradient(160deg, rgba(14, 59, 42, .9), rgba(6, 8, 11, .95));
  border-top: 1px solid var(--pf-hair);
  border-bottom: 1px solid var(--pf-hair);
}

.pf-cta__inner {
  display: grid;
  gap: 24px;
  padding: 44px 0;
}

.pf-cta__kicker {
  margin: 0 0 12px;
  color: var(--signal);
}

.pf-cta__title {
  margin: 0;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--paper);
}

.pf-cta__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pf-cta__link {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--pf-hair);
  background: rgba(6, 8, 11, .5);
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}

.pf-cta__link:hover {
  border-color: var(--signal);
  background: var(--pf-soft);
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .section-head__title {
    font-size: 36px;
  }

  .pf-h1 {
    font-size: 48px;
  }

  .pf-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--pf-hair);
    border-bottom: 1px solid var(--pf-hair);
  }

  .pf-step {
    padding: 24px 22px;
    border-bottom: 0;
    border-left: 1px solid var(--pf-hair);
  }

  .pf-step:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .pf-track {
    grid-template-columns: repeat(3, 1fr);
  }

  .pf-track__item {
    padding: 24px 22px 0 0;
    border-top: 0;
    border-left: 2px solid var(--pf-hair);
    padding-left: 22px;
  }

  .pf-track__item:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .pf-timeline {
    grid-auto-columns: minmax(200px, 1fr);
  }

  .pf-cta__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 980px) {
  .pf-hero__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 48px;
    align-items: start;
    padding: 42px 0 52px;
  }

  .pf-h1 {
    font-size: 56px;
    max-width: 16ch;
  }

  .pf-lead {
    font-size: 17px;
  }

  .page-products .pf-section {
    padding: 68px 0;
  }

  .pf-lines {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
  }

  .pf-line {
    padding: 0;
  }

  .pf-line--a {
    padding-right: 34px;
  }

  .pf-line--b {
    padding-left: 34px;
    border-top: 0;
    border-left: 1px solid var(--pf-hair);
  }

  .pf-metrics {
    grid-template-columns: 360px minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }

  .pf-version {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .pf-metrics__fig {
    max-width: 480px;
    margin-left: 380px;
  }
}

@media (min-width: 1240px) {
  .pf-tl {
    padding-right: 26px;
  }

  .pf-tl + .pf-tl {
    padding-left: 26px;
  }
}