.page-products {
  --pf-panel: #0d0f1a;
  --pf-card: #141830;
  --pf-gap: 24px;
  --pf-half: rgba(108, 59, 255, 0.16);
}

/* ============ 首屏 ============ */
.page-products .pf-hero {
  position: relative;
  padding: 28px 0 8px;
  overflow: hidden;
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 460px;
  background:
    radial-gradient(46% 60% at 12% 0%, rgba(108, 59, 255, 0.34), transparent 70%),
    radial-gradient(40% 55% at 92% 12%, rgba(0, 240, 200, 0.18), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-products .pf-hero > .container {
  position: relative;
  z-index: 1;
}

.page-products .pf-hero__grid {
  display: block;
  margin-top: 20px;
}

.page-products .pf-hero__title {
  font-family: var(--font-head);
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 12px 0 0;
  max-width: 20ch;
}

.page-products .pf-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pf-hero__meta {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}

.page-products .pf-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 12px;
  border-left: 2px solid var(--purple);
}

.page-products .pf-hero__meta .mono {
  font-size: 26px;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-products .pf-hero__meta em {
  font-style: normal;
  font-size: 13px;
  color: var(--muted);
}

.page-products .pf-hero__figure {
  margin: 30px 0 0;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.page-products .pf-hero__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-products .pf-hero__figure .media__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--white);
  background: rgba(5, 6, 11, 0.78);
  border: 1px solid var(--line);
  padding: 5px 10px;
  border-radius: 3px;
}

/* ============ 主体两栏 ============ */
.page-products .pf-body {
  padding-top: 44px;
  padding-bottom: 48px;
}

.page-products .pf-body__side {
  margin-top: 36px;
}

.page-products .pf-body__main {
  min-width: 0;
}

/* ============ 章节通用 ============ */
.page-products .pf-block {
  padding: 34px 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .pf-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pf-block__head {
  max-width: 68ch;
  margin-bottom: 22px;
}

.page-products .pf-block__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--purple-lift);
  margin: 0 0 8px;
}

.page-products .pf-block__title {
  font-family: var(--font-head);
  font-size: clamp(22px, 4.6vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 0;
}

.page-products .pf-block__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

/* ============ 要点列表 ============ */
.page-products .pf-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pf-points--tight {
  gap: 10px;
}

.page-products .pf-points li {
  position: relative;
  padding: 12px 14px 12px 34px;
  background: var(--pf-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pf-points li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-products .pf-points strong {
  color: var(--white);
  font-weight: 700;
}

/* ============ 订阅分组卡片 ============ */
.page-products .pf-groups {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .pf-group {
  padding: 18px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pf-group__name {
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--white);
  margin: 4px 0 0;
  letter-spacing: -0.01em;
}

.page-products .pf-group__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pf-group__stats {
  margin: 6px 0 0;
  display: flex;
  gap: 18px;
  border-top: 1px dashed var(--line-soft);
  padding-top: 12px;
}

.page-products .pf-group__stats > div {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-products .pf-group__stats dt {
  font-size: 12px;
  color: var(--muted);
}

.page-products .pf-group__stats dd {
  margin: 0;
  font-size: 20px;
  color: var(--cyan);
}

/* ============ 图文分栏 ============ */
.page-products .pf-split {
  display: grid;
  gap: 20px;
  align-items: start;
}

.page-products .pf-split__media {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: relative;
}

.page-products .pf-split__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-products .pf-split__media .media__tag {
  position: absolute;
  left: 10px;
  bottom: 10px;
  font-size: 12px;
  color: var(--white);
  background: rgba(5, 6, 11, 0.78);
  border: 1px solid var(--line);
  padding: 4px 9px;
  border-radius: 3px;
}

.page-products .pf-figure {
  margin: 22px 0 0;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: relative;
}

.page-products .pf-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-products .pf-figure .media__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  font-size: 12px;
  color: var(--white);
  background: rgba(5, 6, 11, 0.78);
  border: 1px solid var(--line);
  padding: 5px 10px;
  border-radius: 3px;
}

.page-products .pf-inline-link {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin: 18px 0 0;
}

/* ============ 资料对照表 ============ */
.page-products .pf-tablewrap {
  margin-top: 6px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--pf-panel);
}

.page-products .pf-table {
  min-width: 660px;
  width: 100%;
  border-collapse: collapse;
}

.page-products .pf-table__caption {
  text-align: left;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-table__group th {
  text-align: left;
  padding: 12px 16px;
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--white);
  background: linear-gradient(90deg, rgba(108, 59, 255, 0.42), rgba(108, 59, 255, 0.06) 70%);
  border-left: 4px solid var(--purple);
  border-top: 1px solid var(--line-soft);
}

.page-products .pf-table__count {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-products .pf-table tbody td {
  padding: 10px 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
  transition: background 140ms var(--ease);
}

.page-products .pf-table tbody td:first-child {
  color: var(--white);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .pf-table tbody td:last-child {
  color: var(--purple-lift);
  white-space: nowrap;
}

.page-products .pf-table tbody tr:not(.pf-table__group):hover td {
  background: rgba(0, 240, 200, 0.07);
}

/* ============ 指标胶囊与参数 ============ */
.page-products .pf-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pf-chip {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--cyan);
  padding: 7px 13px;
  border: 1px solid rgba(0, 240, 200, 0.4);
  border-radius: 999px;
  background: rgba(0, 240, 200, 0.06);
}

.page-products .pf-metrics {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-products .pf-metric {
  padding: 16px;
  background: var(--pf-card);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-products .pf-metric__value {
  margin: 0;
  font-size: 40px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.03em;
}

.page-products .pf-metric__value span {
  font-size: 15px;
  margin-left: 4px;
  color: var(--purple-lift);
}

.page-products .pf-metric__label {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ============ 归档斜切区 ============ */
.page-products .pf-archive {
  margin: 40px 0 0;
  padding: 54px 20px 32px;
  background:
    linear-gradient(155deg, rgba(108, 59, 255, 0.26), transparent 58%),
    var(--pf-panel);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
  border-bottom: 2px solid var(--line);
}

.page-products .pf-archive__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0 0 8px;
}

.page-products .pf-archive__title {
  font-family: var(--font-head);
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.16;
  color: var(--white);
  margin: 0;
  letter-spacing: -0.015em;
}

.page-products .pf-archive__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pf-archive__grid {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.page-products .pf-archive__cell {
  padding: 14px;
  border-left: 3px solid var(--purple);
  background: rgba(5, 6, 11, 0.5);
}

.page-products .pf-archive__key {
  margin: 0;
  font-size: 22px;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-products .pf-archive__name {
  margin: 8px 0 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
}

.page-products .pf-archive__desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pf-archive__link {
  margin: 24px 0 0;
}

/* ============ 收尾 ============ */
.page-products .pf-cta {
  margin-top: 40px;
  padding: 26px 20px;
  border: 2px solid var(--line);
  border-left: 6px solid var(--orange);
  border-radius: var(--radius);
  background: var(--pf-panel);
  box-shadow: var(--shadow-card);
}

.page-products .pf-cta__title {
  font-family: var(--font-head);
  font-size: clamp(20px, 4vw, 28px);
  color: var(--white);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-products .pf-cta__text {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pf-cta__actions {
  margin: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

/* ============ 参数速览栏 ============ */
.page-products .pf-spec {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--pf-panel);
  box-shadow: var(--shadow-card);
  padding: 18px;
}

.page-products .pf-spec__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--purple-lift);
  text-transform: uppercase;
}

.page-products .pf-spec__list {
  margin: 0;
  padding: 0;
}

.page-products .pf-spec__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-spec__row dt {
  font-size: 13px;
  color: var(--muted);
}

.page-products .pf-spec__row dd {
  margin: 0;
  font-size: 18px;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-products .pf-spec__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pf-spec__btn {
  display: block;
  text-align: center;
  margin-top: 14px;
}

/* ============ 平板及以上 ============ */
@media (min-width: 720px) {
  .page-products .pf-hero__figure {
    margin-top: 36px;
  }

  .page-products .pf-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

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

  .page-products .pf-archive {
    padding-left: 32px;
    padding-right: 32px;
  }

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

  .page-products .pf-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: 28px;
  }

  .page-products .pf-split--reverse .pf-split__media {
    order: -1;
  }
}

/* ============ 桌面两栏 + 吸顶参数栏 ============ */
@media (min-width: 1000px) {
  .page-products .pf-hero {
    padding-top: 40px;
  }

  .page-products .pf-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 316px;
    gap: 44px;
    align-items: start;
  }

  .page-products .pf-body__side {
    margin-top: 0;
  }

  .page-products .pf-spec {
    position: sticky;
    top: 28px;
  }

  .page-products .pf-archive {
    padding-left: 40px;
    padding-right: 40px;
  }

  .page-products .pf-table {
    min-width: 100%;
  }
}

/* ============ 减少动效 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-products .pf-table tbody td {
    transition: none;
  }
}