.page-products {
  --pp-accent: var(--cyan);
  --pp-warm: var(--orange);
  --pp-soft: var(--line-soft);
  overflow-x: clip;
}

.page-products .breadcrumb {
  margin: 28px 0 20px;
}

.page-products .hero {
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.page-products .hero__grid {
  display: grid;
  gap: 32px;
}

.page-products .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pp-accent);
}

.page-products h1 {
  margin: 0 0 20px;
  font-size: 32px;
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--bone);
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-products .hero__intro {
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist-hi);
}

.page-products .hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .hero__panel {
  padding: 24px 20px;
  border-left: 3px solid var(--pp-accent);
}

.page-products .panel__kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-products .index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 8px;
  color: var(--bone);
  text-decoration: none;
  border: 1px solid transparent;
  border-left: 2px solid transparent;
  transition: border-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-products .index-list a:hover,
.page-products .index-list a:focus-visible {
  border-color: var(--pp-soft);
  border-left-color: var(--pp-accent);
  background: var(--cyan-soft);
}

.page-products .index-list__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pp-warm);
  letter-spacing: 0.04em;
}

.page-products .sec {
  padding: 56px 0;
  border-bottom: 1px solid var(--pp-soft);
}

.page-products .sec--last {
  border-bottom: 0;
  padding-bottom: 72px;
}

.page-products .sec__head {
  max-width: 62ch;
  margin-bottom: 32px;
}

.page-products .sec__index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pp-warm);
}

.page-products .sec__title {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--bone);
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-products .sec__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist-hi);
}

.page-products .sec__note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .sec__note a {
  color: var(--pp-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .sec__note a:hover {
  border-bottom-color: var(--pp-accent);
}

/* 功能折线序列 */
.page-products .fn {
  display: grid;
  gap: 24px;
}

.page-products .fn__body {
  position: relative;
  padding: 24px 20px;
  background: linear-gradient(158deg, rgba(79, 227, 193, 0.09), rgba(18, 51, 43, 0.92));
  border: 1px solid var(--line);
  border-left: 3px solid var(--pp-accent);
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-products .fn__body:hover,
.page-products .fn__body:focus-within {
  border-color: var(--pp-accent);
  transform: translateY(-2px);
}

.page-products .fn__no {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pp-warm);
}

.page-products .fn__title {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--bone);
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-products .fn__text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist-hi);
}

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

.page-products .fn__points li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--bone);
}

.page-products .fn__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--pp-accent);
}

.page-products .fn__points--tight {
  gap: 6px;
}

.page-products .fn__media {
  width: 100%;
}

.page-products .media-frame__caption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 三步流程 */
.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-products .step {
  position: relative;
  padding: 22px 20px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
}

.page-products .step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--pp-warm);
  margin-bottom: 14px;
}

.page-products .step__title {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--bone);
}

.page-products .step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-hi);
}

/* 轮次区间条 */
.page-products .range-band {
  padding: 20px 18px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
}

.page-products .range-band__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.page-products .range-band__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--pp-warm);
}

.page-products .range-band__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pp-accent);
}

.page-products .range-band__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .range-notes {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-products .range-notes p {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-hi);
}

.page-products .range-media {
  margin-top: 28px;
}

/* 筛选两栏 */
.page-products .filter-grid {
  display: grid;
  gap: 24px;
}

.page-products .filter-card {
  padding: 0 0 22px;
  background: rgba(18, 51, 43, 0.55);
  border: 1px solid var(--line);
  border-top: 2px solid var(--pp-accent);
}

.page-products .filter-card .media-frame {
  margin-bottom: 18px;
}

.page-products .filter-card__title {
  margin: 0 0 12px;
  padding: 0 20px;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--bone);
}

.page-products .filter-card__text {
  margin: 0 0 12px;
  padding: 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-hi);
}

.page-products .filter-card__text:last-child {
  margin-bottom: 0;
}

/* 四宫格场景卡 */
.page-products .scene-grid {
  display: grid;
  gap: 16px;
}

.page-products .scene {
  padding: 22px 20px;
  background: var(--paper);
  color: var(--ink-deep);
  border: 1px solid var(--line);
  transform: skewX(0deg);
  transition: transform 160ms var(--ease);
}

.page-products .scene:hover {
  transform: translateY(-2px);
}

.page-products .scene__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--paper);
  background: var(--ink-deep);
}

.page-products .scene__title {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--ink-deep);
}

.page-products .scene__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #23403A;
}

/* 保存视图收尾 */
.page-products .saved {
  display: grid;
  gap: 28px;
  padding: 26px 20px;
  background: linear-gradient(160deg, rgba(79, 227, 193, 0.10), rgba(18, 51, 43, 0.9));
  border: 1px solid var(--line);
  border-left: 3px solid var(--pp-accent);
}

.page-products .saved__links {
  display: grid;
  gap: 2px;
}

.page-products .link-tile {
  display: grid;
  gap: 6px;
  padding: 14px 12px;
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(11, 33, 28, 0.55);
  transition: border-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-products .link-tile:hover,
.page-products .link-tile:focus-visible {
  border-color: var(--pp-accent);
  background: var(--cyan-soft);
}

.page-products .link-tile__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-products .link-tile__title {
  font-size: 15px;
  line-height: 1.5;
  color: var(--bone);
}

@media (min-width: 720px) {
  .page-products h1 {
    font-size: 38px;
  }

  .page-products .sec__title {
    font-size: 28px;
  }

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

  .page-products .fn__body {
    padding: 30px 28px;
  }

  .page-products .fn__title {
    font-size: 26px;
  }

  .page-products .step {
    padding: 26px 24px;
  }

  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 44px;
    right: -22px;
    width: 21px;
    height: 1px;
    background: var(--line);
  }

  .page-products .filter-grid,
  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .range-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .saved {
    padding: 32px 28px;
  }

  .page-products .saved__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 960px) {
  .page-products .hero {
    padding-bottom: 72px;
  }

  .page-products .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-products h1 {
    font-size: 44px;
  }

  .page-products .fn {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
    align-items: center;
  }

  .page-products .fn--a .fn__body {
    grid-column: 1 / span 7;
  }

  .page-products .fn--a .fn__media {
    grid-column: 9 / span 4;
  }

  .page-products .fn--b .fn__media {
    grid-column: 1 / span 5;
  }

  .page-products .fn--b .fn__body {
    grid-column: 6 / span 7;
    margin-right: -24px;
  }

  .page-products .saved {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }
}