.page-products {
  --pf-radius: var(--r-xl);
  --pf-pad: clamp(2.25rem, 5vw, 4.25rem);
  --pf-gap: clamp(1.1rem, 2.5vw, 2rem);
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .band--ink {
  background-color: var(--ink);
  color: var(--paper);
}

.page-products .band--night {
  background-color: var(--ink-2);
  color: var(--paper);
}

.page-products .band--paper {
  background-color: var(--paper);
  color: var(--type-ink);
}

.page-products .pf-hero,
.page-products .pf-lib,
.page-products .pf-preview,
.page-products .pf-column,
.page-products .pf-rules,
.page-products .pf-subscribe,
.page-products .pf-scenes {
  padding-block: var(--pf-pad);
}

.page-products .breadcrumb {
  padding-top: 1.25rem;
  font-size: 0.8125rem;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3.25rem);
}

.page-products .pf-hero__title {
  margin: 0.6rem 0 0;
  line-height: 1.02;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.page-products .pf-hero__intro {
  margin: 1.25rem 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-products .pf-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hair);
}

.page-products .pf-stats__item {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.35rem;
  min-width: 0;
}

.page-products .pf-stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  line-height: 1;
  color: var(--gold);
}

.page-products .pf-stats dt {
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-products .pf-hero__index {
  border-top: 1px solid var(--hair);
  padding-top: 1.25rem;
}

.page-products .pf-hero__index-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .pf-svc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pf-svc {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no desc";
  gap: 0.15rem 0.9rem;
  padding: 0.95rem 0.5rem;
  border-bottom: 1px solid var(--hair);
  text-decoration: none;
  color: var(--paper);
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .pf-svc__no {
  grid-area: no;
  font-size: 0.875rem;
  color: var(--gold);
  padding-top: 0.2rem;
  transition: transform 0.18s var(--ease);
}

.page-products .pf-svc__name {
  grid-area: name;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-products .pf-svc__desc {
  grid-area: desc;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .pf-svc:hover,
.page-products .pf-svc:focus-visible {
  background-color: rgba(49, 224, 208, 0.07);
  border-color: var(--hair-strong);
  outline: none;
}

.page-products .pf-svc:hover .pf-svc__no,
.page-products .pf-svc:focus-visible .pf-svc__no {
  transform: translateY(-2px);
}

.page-products .pf-svc:focus-visible {
  box-shadow: inset 0 0 0 1px var(--cyan);
}

/* ---------- 资料库 ---------- */
.page-products .pf-lib__lede,
.page-products .pf-preview__lede,
.page-products .pf-column__lede,
.page-products .pf-rules__lede,
.page-products .pf-subscribe__lede,
.page-products .pf-scenes__lede {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
}

.page-products .pf-lib__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pf-gap);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .pf-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border-radius: var(--pill);
  border: 1px solid var(--paper-line);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  color: var(--type-ink);
  background-color: transparent;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .pf-chip:hover {
  border-color: var(--cyan);
}

.page-products .pf-chip--on {
  background-color: var(--type-ink);
  border-color: var(--type-ink);
  color: var(--paper);
}

.page-products .pf-chip--ink {
  border-color: var(--hair-strong);
  color: var(--mist);
  background-color: rgba(49, 224, 208, 0.06);
}

.page-products .pf-chip--ink:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-products .pf-lib__hint {
  margin: 0.85rem 0 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(16, 36, 51, 0.68);
}

.page-products .pf-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-m);
  border: 1px solid var(--paper-line);
}

.page-products .pf-table {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-size: 0.9375rem;
  background-color: var(--paper);
}

.page-products .pf-table thead th {
  padding: 0.7rem 0.85rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(16, 36, 51, 0.6);
  border-bottom: 1px solid var(--paper-line);
  white-space: nowrap;
}

.page-products .pf-table tbody th {
  padding: 0.85rem;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 1px solid var(--paper-line);
}

.page-products .pf-table td {
  padding: 0.85rem;
  line-height: 1.7;
  border-bottom: 1px solid var(--paper-line);
  vertical-align: top;
}

.page-products .pf-table tbody tr {
  transition: background-color 0.18s var(--ease);
}

.page-products .pf-table tbody tr:hover {
  background-color: rgba(231, 183, 92, 0.14);
}

.page-products .pf-field__note {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(16, 36, 51, 0.55);
  transition: color 0.18s var(--ease);
}

.page-products .pf-table tbody tr:hover .pf-field__note {
  color: var(--type-ink);
}

.page-products .pf-lib__side {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-products .pf-lib__side .media__img,
.page-products .pf-preview__media .media__img,
.page-products .pf-column__media .media__img,
.page-products .pf-rules__media .media__img,
.page-products .pf-subscribe__media .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-l);
  object-fit: cover;
}

.page-products .pf-lib__side .media__cap,
.page-products .pf-subscribe__media .media__cap {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(16, 36, 51, 0.65);
}

.page-products .pf-subscribe__media .media__cap {
  color: var(--mist);
}

.page-products .pf-figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .pf-figures li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--paper-line);
}

.page-products .pf-figures__n {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--type-ink);
}

.page-products .pf-figures__t {
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(16, 36, 51, 0.75);
}

/* ---------- 前瞻 ---------- */
.page-products .pf-preview {
  position: relative;
  overflow: hidden;
}

.page-products .pf-preview::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -18%;
  width: 46vmax;
  height: 46vmax;
  background: radial-gradient(circle at 35% 35%, rgba(49, 224, 208, 0.16), transparent 62%);
  transform: rotate(3deg);
  pointer-events: none;
}

.page-products .pf-preview .wrap {
  position: relative;
}

.page-products .pf-preview__lede {
  color: var(--mist);
}

.page-products .pf-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding-bottom: 1.5rem;
}

.page-products .pf-card {
  padding: 1.5rem 1.35rem;
  border-radius: var(--pf-radius);
  border: 1px solid var(--hair);
  background-color: rgba(7, 26, 43, 0.78);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .pf-card:hover {
  border-color: var(--hair-strong);
  transform: translateY(-2px);
}

.page-products .pf-card__no {
  margin: 0;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pf-card__title {
  margin: 0.55rem 0 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-products .pf-card__body {
  margin: 0.65rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pf-card__meta {
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--hair);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pf-preview__foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hair);
}

.page-products .pf-preview__text p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .link-underline {
  display: inline-block;
  font-size: 0.9375rem;
}

/* ---------- 专栏 ---------- */
.page-products .pf-subs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-products .pf-sub {
  padding: 1.4rem 1.25rem 1.5rem;
  border-radius: var(--r-l);
  border: 1px solid var(--paper-line);
  border-left: 3px solid var(--gold);
  background-color: rgba(255, 255, 255, 0.42);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .pf-sub:hover {
  border-color: var(--type-ink);
  border-left-color: var(--type-ink);
  background-color: rgba(255, 255, 255, 0.7);
}

.page-products .pf-sub__title {
  margin: 0;
  font-size: 1.1875rem;
  font-weight: 700;
}

.page-products .pf-sub__body {
  margin: 0.7rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(16, 36, 51, 0.8);
}

.page-products .pf-sub__meta {
  margin: 1rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(16, 36, 51, 0.55);
}

.page-products .pf-column__foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--paper-line);
}

.page-products .pf-column__text p {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(16, 36, 51, 0.8);
}

/* ---------- 规则库 ---------- */
.page-products .pf-rules__lede {
  color: var(--mist);
}

.page-products .pf-rules__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pf-gap);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pf-rules__label {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .pf-rule-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-products .pf-rules__note {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--cyan);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pf-rules__use {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-products .pf-rules__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-products .pf-rules__list li {
  padding: 0.9rem 1rem;
  border-radius: var(--r-m);
  border: 1px solid var(--hair);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pf-rules__list strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--paper);
  font-size: 0.9375rem;
}

/* ---------- 订阅 ---------- */
.page-products .pf-subscribe__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pf-gap);
  align-items: start;
}

.page-products .pf-subscribe__lede {
  color: var(--mist);
}

.page-products .pf-notify {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .pf-notify__item {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--hair);
}

.page-products .pf-notify__tag {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-products .pf-notify__text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pf-subscribe__copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-radius: var(--r-l);
  border: 1px solid var(--hair-strong);
  background-color: rgba(49, 224, 208, 0.07);
}

.page-products .pf-subscribe__mail {
  margin: 0;
  font-size: 0.9375rem;
  word-break: break-all;
  color: var(--paper);
}

.page-products .pf-copy-status {
  margin: 0;
  flex-basis: 100%;
  min-height: 1.1rem;
  font-size: 0.75rem;
  color: var(--cyan);
}

.page-products .pf-subscribe__hint {
  margin: 0.9rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 场景与流程 ---------- */
.page-products .pf-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-products .pf-scene {
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.25rem;
  border-radius: var(--r-l);
  border: 1px solid var(--paper-line);
  background-color: rgba(255, 255, 255, 0.5);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .pf-scene:hover {
  border-color: var(--type-ink);
  transform: translateY(-2px);
}

.page-products .pf-scene__no {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .pf-scene__title {
  margin: 0.5rem 0 0;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .pf-scene__body {
  margin: 0.65rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(16, 36, 51, 0.8);
}

.page-products .pf-scene__use {
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--paper-line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
  color: rgba(16, 36, 51, 0.6);
}

.page-products .pf-flow {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--paper-line);
}

.page-products .pf-flow__label {
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: rgba(16, 36, 51, 0.6);
}

.page-products .pf-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  counter-reset: none;
}

.page-products .pf-flow__step {
  padding: 1.1rem 1.15rem;
  border-radius: var(--r-m);
  background-color: var(--ink);
  color: var(--paper);
}

.page-products .pf-flow__n {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pf-flow__title {
  margin: 0.45rem 0 0;
  font-size: 1rem;
  font-weight: 700;
}

.page-products .pf-flow__step p {
  margin: 0.45rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pf-acc-group {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: 1px solid var(--paper-line);
}

.page-products .pf-acc {
  border-bottom: 1px solid var(--paper-line);
}

.page-products .pf-acc__sum {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 1rem 0.25rem;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--type-ink);
  list-style: none;
  transition: color 0.18s var(--ease);
}

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

.page-products .pf-acc__sum:hover,
.page-products .pf-acc__sum:focus-visible {
  color: #0d6b64;
  outline: none;
}

.page-products .pf-acc__sum:focus-visible {
  box-shadow: inset 0 0 0 1px var(--type-ink);
  border-radius: var(--r-m);
}

.page-products .pf-acc__no {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .pf-acc__body {
  padding: 0 0.25rem 1.15rem 2.6rem;
}

.page-products .pf-acc__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(16, 36, 51, 0.8);
}

.page-products .pf-cta {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: 1.5rem 1.35rem;
  border-radius: var(--pf-radius);
  background-color: var(--ink);
  color: var(--paper);
}

.page-products .pf-cta__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pf-cta__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

@media (min-width: 760px) {
  .page-products .pf-hero__grid {
    grid-template-columns: 1.35fr 0.95fr;
    align-items: start;
  }

  .page-products .pf-lib__grid {
    grid-template-columns: 1.6fr 0.9fr;
  }

  .page-products .pf-preview__foot {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
  }

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

  .page-products .pf-column__foot {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 2rem;
  }

  .page-products .pf-rules__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pf-subscribe__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

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

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

  .page-products .pf-cta {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-products .pf-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    padding-bottom: 3rem;
  }

  .page-products .pf-card:nth-child(2) {
    transform: translateY(1.1rem);
  }

  .page-products .pf-card:nth-child(3) {
    transform: translateY(2.2rem);
  }

  .page-products .pf-card:nth-child(2):hover {
    transform: translateY(calc(1.1rem - 2px));
  }

  .page-products .pf-card:nth-child(3):hover {
    transform: translateY(calc(2.2rem - 2px));
  }

  .page-products .pf-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-lib__side {
    position: sticky;
    top: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-card,
  .page-products .pf-card:nth-child(2),
  .page-products .pf-card:nth-child(3),
  .page-products .pf-scene,
  .page-products .pf-svc,
  .page-products .pf-svc__no {
    transition: none;
  }
}
<<<END>>>