.page-products {
  --pl-rail-w: 208px;
  --pl-grid-gap: clamp(16px, 2.6vw, 28px);
  --pl-line-bg: rgba(255, 255, 255, 0.03);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .pl-crumb-sep {
  margin: 0 8px;
  color: var(--ink-dim);
}

/* ---------- 首屏 ---------- */
.page-products .pl-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 60px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-products .pl-hero__media {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
  opacity: 0.32;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 92% at 18% 6%, #000 0%, rgba(0, 0, 0, 0.35) 48%, transparent 76%);
  mask-image: radial-gradient(120% 92% at 18% 6%, #000 0%, rgba(0, 0, 0, 0.35) 48%, transparent 76%);
}

.page-products .pl-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pl-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 74ch;
}

.page-products .pl-hero__title {
  margin: 14px 0 0;
  font-size: clamp(2.1rem, 7vw, 4.6rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.page-products .pl-hero__lede {
  margin-top: clamp(18px, 3vw, 28px);
  max-width: 68ch;
}

.page-products .pl-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 2.4vw, 24px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .pl-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
}

.page-products .pl-stat .stat__value {
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--cyan-300);
}

.page-products .pl-stat__label {
  font-size: 13px;
  color: var(--ink-dim);
  letter-spacing: 0.02em;
}

.page-products .pl-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
}

/* ---------- 区块头 ---------- */
.page-products .pl-section-head {
  max-width: 64ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .pl-section-head--wide {
  max-width: 74ch;
}

.page-products .pl-section-head .section-title {
  margin: 12px 0 0;
}

.page-products .pl-section-head .prose {
  margin-top: 16px;
}

/* ---------- 产品线总览 ---------- */
.page-products .pl-overview__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(178px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pl-overview__grid > li {
  background: var(--bg-soft);
}

.page-products .pl-overview__grid a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 18px 18px 22px;
  color: inherit;
  text-decoration: none;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .pl-overview__grid a:hover,
.page-products .pl-overview__grid a:focus-visible {
  background: rgba(20, 224, 208, 0.1);
  transform: translateY(-2px);
}

.page-products .pl-overview__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-500);
}

.page-products .pl-overview__name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-products .pl-overview__meta {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-dim);
}

.page-products .pl-overview__note {
  margin-top: clamp(20px, 3vw, 30px);
  padding-left: 16px;
  border-left: 2px solid var(--orange-500);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 72ch;
}

/* ---------- 九条产品线详情 ---------- */
.page-products .pl-detail__layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pl-detail__rail {
  align-self: start;
}

.page-products .pl-detail__rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-500);
  text-transform: uppercase;
}

.page-products .pl-detail__rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pl-detail__rail-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-products .pl-detail__rail-list a .mono {
  font-size: 11px;
  color: var(--cyan-500);
}

.page-products .pl-detail__rail-list a:hover,
.page-products .pl-detail__rail-list a:focus-visible {
  border-color: var(--cyan-300);
  color: var(--white);
  background: rgba(20, 224, 208, 0.09);
}

.page-products .pl-detail__rail-note {
  margin: 16px 0 0;
  font-size: 12.5px;
  color: var(--ink-dim);
}

.page-products .pl-detail__cards {
  min-width: 0;
}

.page-products .pl-line {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 224, 208, 0.04), transparent 60%);
}

.page-products .pl-line:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .pl-line > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-products .pl-line > summary::-webkit-details-marker {
  display: none;
}

.page-products .pl-line > summary:focus-visible {
  outline: 2px solid var(--cyan-300);
  outline-offset: 4px;
}

.page-products .pl-line__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-500);
  padding-top: 5px;
}

.page-products .pl-line__head {
  display: block;
  min-width: 0;
}

.page-products .pl-line__name {
  margin: 0;
  font-size: clamp(1.15rem, 3.2vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.page-products .pl-line__desc {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-products .pl-line__toggle {
  position: relative;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  flex: none;
  transition: border-color 0.26s var(--ease), background 0.26s var(--ease);
}

.page-products .pl-line__toggle::before,
.page-products .pl-line__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  background: var(--cyan-300);
  transform: translate(-50%, -50%);
  transition: transform 0.26s var(--ease), opacity 0.26s var(--ease);
}

.page-products .pl-line__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-products .pl-line[open] .pl-line__toggle {
  border-color: var(--cyan-300);
  background: rgba(20, 224, 208, 0.12);
}

.page-products .pl-line[open] .pl-line__toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.page-products .pl-line__body {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding: 4px 0 30px 26px;
}

.page-products .pl-line__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

.page-products .pl-line__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pl-line__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-products .pl-line__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 1px;
  background: var(--cyan-500);
}

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

.page-products .pl-line__media {
  margin: 0;
}

.page-products .pl-line__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 分类与标签 ---------- */
.page-products .pl-tags__layout {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .pl-tags__intro .section-title {
  margin: 12px 0 0;
}

.page-products .pl-tags__intro .prose {
  margin-top: 16px;
}

.page-products .pl-tags__media {
  margin: 0;
}

.page-products .pl-tags__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pl-dims {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(6, 11, 24, 0.12);
  border: 1px solid rgba(6, 11, 24, 0.14);
}

.page-products .pl-dims li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 13px 14px;
  background: var(--mist-100);
  align-items: baseline;
}

.page-products .pl-dims__num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #0b7d75;
  grid-row: span 2;
}

.page-products .pl-dims__name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--blue-900);
}

.page-products .pl-dims__meta {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(6, 11, 24, 0.62);
}

.page-products .pl-cloud {
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid rgba(6, 11, 24, 0.14);
}

.page-products .pl-cloud__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(6, 11, 24, 0.55);
}

.page-products .pl-cloud__items {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-products .pl-cloud__items .tag {
  background: rgba(6, 11, 24, 0.04);
  border-color: rgba(6, 11, 24, 0.18);
  color: rgba(6, 11, 24, 0.78);
}

.page-products .pl-cloud__items .tag--cyan {
  color: #0b6f69;
  border-color: rgba(20, 224, 208, 0.55);
  background: rgba(20, 224, 208, 0.1);
}

.page-products .pl-cloud__items .tag--orange {
  color: #a5501a;
  border-color: rgba(255, 138, 61, 0.5);
  background: rgba(255, 138, 61, 0.12);
}

/* ---------- 选型路径 ---------- */
.page-products .pl-path__layout {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .pl-path__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pl-path__step {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  background: var(--bg);
}

.page-products .pl-path__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan-500);
}

.page-products .pl-path__idx {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan-500);
}

.page-products .pl-path__name {
  margin: 10px 0 8px;
  font-size: clamp(1.05rem, 2.6vw, 1.28rem);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.page-products .pl-path__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .pl-path__media {
  margin: 0;
}

.page-products .pl-path__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-products .pl-path__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 36px);
}

/* ---------- 收藏与订阅 ---------- */
.page-products .pl-save__layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pl-save__card {
  padding: clamp(20px, 3vw, 28px);
  background: var(--mist-100);
  border: 1px solid rgba(6, 11, 24, 0.14);
  border-radius: var(--radius);
  box-shadow: 0 20px 44px -34px rgba(6, 11, 24, 0.55);
}

.page-products .pl-save__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: #0b7d75;
}

.page-products .pl-save__title {
  margin: 10px 0 18px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--blue-900);
}

.page-products .pl-save__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(6, 11, 24, 0.12);
  border: 1px solid rgba(6, 11, 24, 0.12);
}

.page-products .pl-save__list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--mist-100);
}

.page-products .pl-save__list .mono {
  font-size: 12px;
  color: rgba(6, 11, 24, 0.5);
}

.page-products .pl-save__list .tag--cyan {
  color: #0b6f69;
  border-color: rgba(20, 224, 208, 0.55);
  background: rgba(20, 224, 208, 0.12);
}

.page-products .pl-save__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(6, 11, 24, 0.6);
}

.page-products .pl-save__features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-products .pl-save__features li {
  padding-left: 18px;
  border-left: 1px solid rgba(6, 11, 24, 0.2);
}

.page-products .pl-save__features h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blue-900);
}

.page-products .pl-save__features p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(6, 11, 24, 0.68);
}

/* ---------- 导出与版本 ---------- */
.page-products .pl-version__layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .pl-version__text .section-title {
  margin: 12px 0 0;
}

.page-products .pl-version__text .prose {
  margin-top: 16px;
}

.page-products .pl-version__fields {
  list-style: none;
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pl-version__fields li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-soft);
}

.page-products .pl-version__field {
  min-width: 88px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan-300);
}

.page-products .pl-version__hint {
  margin: clamp(18px, 3vw, 26px) 0 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 60ch;
}

.page-products .pl-version__media {
  margin: 0;
  align-self: start;
}

.page-products .pl-version__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 结尾引导 ---------- */
.page-products .pl-cta {
  padding: clamp(36px, 6vw, 64px) 0 clamp(10px, 2vw, 20px);
}

.page-products .pl-cta__inner {
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  box-shadow: var(--shadow-soft);
}

.page-products .pl-cta__title {
  margin: 0;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  font-weight: 300;
  letter-spacing: -0.03em;
}

.page-products .pl-cta__text {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .pl-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pl-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .pl-tags__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .pl-save__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-products .pl-version__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

  .page-products .pl-line__block--wide,
  .page-products .pl-line__media {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1000px) {
  .page-products .pl-detail__layout {
    grid-template-columns: var(--pl-rail-w) minmax(0, 1fr);
  }

  .page-products .pl-detail__rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .pl-detail__rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-products .pl-detail__rail-list a {
    width: 100%;
  }
}

@media (min-width: 1100px) {
  .page-products .pl-path__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pl-overview__grid a,
  .page-products .pl-line__toggle,
  .page-products .pl-detail__rail-list a {
    transition: none;
  }

  .page-products .pl-overview__grid a:hover {
    transform: none;
  }
}