.page-products {
  --pf-hair: rgba(38, 54, 92, 0.85);
  --pf-deep: rgba(7, 14, 34, 0.78);
  --pf-glow: rgba(216, 169, 75, 0.12);
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(70rem 34rem at 84% -8%, var(--pf-glow), transparent 62%),
    radial-gradient(48rem 26rem at 2% 34%, rgba(26, 23, 64, 0.62), transparent 68%);
  overflow-x: clip;
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

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

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1.1rem;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold-line);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  padding-block: clamp(1.1rem, 3vw, 2rem) clamp(2rem, 5vw, 3.25rem);
}

.page-products .pf-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .pf-hero__title {
  margin: 0.7rem 0 0;
  font-size: clamp(2rem, 6.2vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .pf-hero__lede {
  margin: 1.2rem 0 0;
  max-width: 40rem;
  color: var(--mist);
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products .pf-meters {
  margin: 0;
  display: grid;
  gap: 0.9rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gold-line);
}

.page-products .pf-meter {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--pf-hair);
}

.page-products .pf-meter dt {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-products .pf-meter dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  color: var(--gold);
  white-space: nowrap;
}

.page-products .pf-meter dd .num {
  font-size: var(--fs-26);
}

/* ---------- 能力索引带 ---------- */
.page-products .pf-band {
  margin-top: clamp(1rem, 3vw, 2rem);
  padding-top: clamp(1.5rem, 4vw, 2.25rem);
  background: linear-gradient(180deg, rgba(12, 44, 46, 0.92) 0%, rgba(10, 20, 48, 0.35) 100%);
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--pf-hair);
}

.page-products .pf-band__head {
  display: grid;
  gap: 0.45rem;
}

.page-products .pf-band__title {
  margin: 0;
  font-size: var(--fs-26);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pf-band__note {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-products .pf-tabs {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 0 var(--gutter) clamp(1.25rem, 4vw, 1.75rem);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pf-tab {
  flex: 0 0 auto;
  min-width: 12.5rem;
  scroll-snap-align: start;
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem 1.05rem;
  background: var(--pf-deep);
  border: 1px solid var(--pf-hair);
  border-radius: var(--radius);
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pf-tab:hover,
.page-products .pf-tab:focus-visible {
  border-color: var(--amber);
  background: rgba(26, 23, 64, 0.85);
  transform: translateY(-2px);
}

.page-products .pf-tab__num {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .pf-tab__name {
  font-size: var(--fs-20);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-products .pf-tab__hint {
  font-size: var(--fs-12);
  color: var(--mist);
  line-height: 1.6;
}

/* ---------- 主体双栏 ---------- */
.page-products .pf-body {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-products .pf-index {
  border-left: 1px solid var(--gold-line);
  padding-left: 1rem;
}

.page-products .pf-index__title {
  margin: 0 0 0.85rem;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .pf-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-products .pf-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.5rem 0.4rem;
  border-left: 3px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: var(--fs-16);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pf-index__list a .num {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-products .pf-index__list a:hover,
.page-products .pf-index__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--gold);
}

.page-products .pf-index__foot {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--pf-hair);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pf-index__foot a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 195, 154, 0.4);
}

.page-products .pf-index__foot a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 各能力小节 ---------- */
.page-products .pf-section {
  border-top: 1px solid var(--pf-hair);
  padding-top: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: clamp(2rem, 5vw, 3rem);
  scroll-margin-top: 5rem;
}

.page-products .pf-section--last {
  margin-bottom: 0;
}

.page-products .pf-section__num {
  margin: 0;
  font-size: var(--fs-14);
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-products .pf-section__kicker {
  margin: 0.5rem 0 0;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .pf-section__title {
  margin: 0.45rem 0 1rem;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.26;
  letter-spacing: -0.015em;
  font-weight: 900;
  color: var(--paper);
}

.page-products .pf-section p {
  margin: 0 0 1rem;
  max-width: 38em;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pf-section h3 {
  margin: 1.75rem 0 0.6rem;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pf-section a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 195, 154, 0.4);
}

.page-products .pf-section a:hover,
.page-products .pf-section a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* 标签组 */
.page-products .pf-tagset {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 1.4rem;
}

.page-products .pf-tagset .chip {
  padding: 0.4rem 0.75rem;
  font-size: var(--fs-14);
  color: var(--mist);
  background: var(--pf-deep);
  border: 1px solid var(--pf-hair);
  border-radius: 999px;
}

.page-products .pf-tagset .chip.is-active {
  color: var(--jade);
  border-color: var(--jade);
  background: rgba(53, 195, 154, 0.12);
}

/* 可展开演示条 */
.page-products .pf-demo {
  margin: 1.25rem 0;
  background: rgba(7, 14, 34, 0.62);
  border: 1px solid var(--pf-hair);
  border-radius: var(--radius);
}

.page-products .pf-demo__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-products .pf-demo__summary::-webkit-details-marker {
  display: none;
}

.page-products .pf-demo__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  color: var(--gold);
  line-height: 1;
}

.page-products .pf-demo[open] .pf-demo__summary {
  border-bottom: 1px solid var(--pf-hair);
}

.page-products .pf-demo[open] .pf-demo__summary::after {
  content: "−";
}

.page-products .pf-demo__steps {
  margin: 0;
  padding: 1rem 1rem 1.15rem 2.4rem;
  display: grid;
  gap: 0.45rem;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

/* 图 */
.page-products .pf-figure {
  margin: 1.4rem 0 1.6rem;
}

.page-products .pf-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-deep);
  border: 1px solid var(--pf-hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
}

.page-products .pf-figure figcaption {
  margin-top: 0.6rem;
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--mist);
}

/* 筛选条 */
.page-products .pf-filters {
  display: grid;
  gap: 0.65rem;
  margin: 1.1rem 0 1.4rem;
  padding: 0.9rem;
  background: rgba(12, 44, 46, 0.32);
  border: 1px solid var(--pf-hair);
  border-radius: var(--radius);
}

.page-products .pf-filters__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.page-products .pf-filters__label {
  min-width: 4.6rem;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-products .pf-filters .chip {
  padding: 0.3rem 0.65rem;
  font-size: var(--fs-12);
  color: var(--mist);
  background: var(--pf-deep);
  border: 1px solid var(--pf-hair);
  border-radius: 999px;
}

.page-products .pf-filters .chip.is-active {
  color: var(--jade);
  border-color: var(--jade);
  background: rgba(53, 195, 154, 0.12);
}

/* 结果构成列表 */
.page-products .pf-legend {
  list-style: none;
  margin: 1.2rem 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-products .pf-legend li {
  display: grid;
  grid-template-columns: 6.4rem minmax(0, 1fr);
  gap: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px dashed var(--pf-hair);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pf-legend span {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* 参数表 */
.page-products .pf-table-wrap {
  margin: 1.25rem 0;
  overflow-x: auto;
  border: 1px solid var(--pf-hair);
  border-radius: var(--radius);
  background: rgba(7, 14, 34, 0.55);
}

.page-products .pf-table {
  width: 100%;
  min-width: 30rem;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-products .pf-table caption {
  padding: 0.8rem 0.9rem 0.4rem;
  text-align: left;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .pf-table th,
.page-products .pf-table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pf-hair);
}

.page-products .pf-table thead th {
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-products .pf-table tbody th {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .pf-table td {
  color: var(--mist);
  line-height: 1.7;
}

.page-products .pf-table tbody tr:last-child th,
.page-products .pf-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 订阅方式 */
.page-products .pf-subscribe {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}

.page-products .pf-subscribe__item {
  padding: 1rem 1.1rem;
  background: linear-gradient(160deg, rgba(26, 23, 64, 0.85), rgba(7, 14, 34, 0.72));
  border: 1px solid var(--pf-hair);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
}

.page-products .pf-subscribe__item h3 {
  margin: 0 0 0.5rem;
  font-size: var(--fs-20);
}

.page-products .pf-subscribe__item p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

/* 场景路径 */
.page-products .pf-scene {
  padding-left: 1.1rem;
  margin-bottom: 1.75rem;
  border-left: 1px solid var(--gold-line);
}

.page-products .pf-scene h3 {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 0.75rem;
  font-size: var(--fs-20);
}

.page-products .pf-scene h3 .num {
  font-size: var(--fs-26);
  color: var(--gold);
}

.page-products .pf-scene ol {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.4rem;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pf-scene__foot {
  margin: 1.75rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--pf-hair);
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--mist);
}

/* 留白呼吸区 */
.page-products .pf-breathe {
  height: clamp(2.5rem, 8vw, 6rem);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .pf-subscribe {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
  }

  .page-products .pf-subscribe__item--offset {
    transform: translateY(1.4rem);
  }

  .page-products .pf-figure--narrow {
    max-width: 32rem;
  }

  .page-products .pf-figure--square {
    max-width: 30rem;
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-products .pf-body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    gap: clamp(2rem, 4vw, 3.75rem);
    align-items: start;
  }

  .page-products .pf-index {
    position: sticky;
    top: 1.5rem;
  }

  .page-products .pf-scene--b {
    margin-left: 2rem;
  }

  .page-products .pf-scene--c {
    margin-left: 4rem;
  }
}
<<<END>>>