.page-products {
  --pd-tint: rgba(255, 107, 53, .06);
  --pd-shadow: 0 18px 40px -30px rgba(15, 27, 45, .55);
  background: var(--paper);
  color: var(--ink);
}

.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem .75rem;
  padding: 1.25rem 0 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-products .breadcrumbs__link {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px dashed var(--rule);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .breadcrumbs__link:hover,
.page-products .breadcrumbs__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-products .breadcrumbs__item {
  color: var(--archive);
}

.page-products .breadcrumbs__item::before {
  content: "/";
  margin-right: .6rem;
  color: var(--rule);
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(180deg, var(--paper-deep) 0%, var(--paper) 72%);
  border-bottom: 1px solid var(--rule);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: 1.5rem;
}

.page-products .pd-eyebrow {
  display: inline-block;
  margin: 0;
  padding: .35rem .85rem;
  border: 1px solid rgba(255, 107, 53, .3);
  border-radius: var(--radius-pill);
  background: rgba(255, 107, 53, .1);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--signal);
}

.page-products .pd-hero__title {
  margin: .75rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.2vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pd-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-products .pd-hero__media .media__frame {
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--paper-card);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-hero__media .media__caption {
  margin-top: .75rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pd-hero__facts {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-fact {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .95rem 1.05rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: var(--paper-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pd-fact:hover,
.page-products .pd-fact:focus-within {
  transform: translateY(-3px);
  border-color: var(--signal);
}

.page-products .pd-fact__num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--archive);
}

.page-products .pd-fact__label {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pd-fact__text {
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 章节通用 ---------- */

.page-products .pd-section {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-products .pd-section--tint {
  background: var(--paper-deep);
}

.page-products .pd-section--ink {
  position: relative;
  background: var(--ink);
  color: var(--on-ink-strong);
  overflow: hidden;
}

.page-products .pd-section--ink::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 240, 230, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 240, 230, .05) 1px, transparent 1px);
  background-size: 58px 58px;
  pointer-events: none;
}

.page-products .pd-section__inner {
  position: relative;
  z-index: 1;
}

.page-products .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: .95rem;
  align-items: baseline;
  padding-top: 1rem;
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
  border-top: 2px solid var(--ink);
}

.page-products .section-head__index {
  font-family: var(--font-mono);
  font-size: clamp(1.65rem, 4.2vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--amber);
}

.page-products .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.7vw, 1.85rem);
  line-height: 1.32;
  color: var(--ink);
}

.page-products .section-head__note {
  grid-column: 2;
  margin: .55rem 0 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .section-head--on-ink {
  border-top-color: var(--amber);
}

.page-products .section-head--on-ink .section-head__index {
  color: var(--signal);
}

.page-products .section-head--on-ink .section-head__title {
  color: var(--on-ink-strong);
}

.page-products .section-head--on-ink .section-head__note {
  color: var(--on-ink-soft);
}

/* ---------- 01 三种对照方式 ---------- */

.page-products .pd-ways {
  display: grid;
  gap: 1rem;
}

.page-products .pd-way {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.25rem 1.25rem 1.15rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--paper-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pd-way:hover,
.page-products .pd-way:focus-within {
  transform: translateY(-3px);
  border-color: var(--signal);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-way__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--ink);
}

.page-products .pd-way .card__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-way__media .media__frame {
  overflow: hidden;
  margin-top: .4rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: var(--paper);
}

.page-products .pd-way__media .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-way .card__meta {
  margin: auto 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--rule);
  font-family: var(--font-mono);
  font-size: .75rem;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 02 检索与过滤 ---------- */

.page-products .pd-search {
  display: grid;
  gap: 1.5rem;
}

.page-products .pd-filters {
  display: grid;
  gap: .55rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.page-products .pd-filter {
  display: grid;
  gap: .25rem;
  padding: .75rem .95rem;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--slate);
  border-radius: var(--radius-md);
  background: var(--paper-card);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .pd-filter:hover,
.page-products .pd-filter:focus-within {
  border-left-color: var(--signal);
  background: var(--pd-tint);
}

.page-products .pd-filter__key {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--archive);
}

.page-products .pd-filter__val {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .pd-search .prose {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .pd-search__media .media__frame {
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--paper-card);
}

.page-products .pd-search__media .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-search__media .media__caption {
  margin-top: .7rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 03 会员中心 ---------- */

.page-products .pd-member {
  display: grid;
  gap: 1.75rem;
}

.page-products .pd-member__media .media__frame {
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--paper-card);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-member__media .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-member__media .media__caption {
  margin-top: .7rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pd-member__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-member__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--rule);
}

.page-products .pd-member__item:first-child {
  padding-top: 0;
}

.page-products .pd-member__no {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--signal);
}

.page-products .pd-member__title {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pd-member__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 04 资料授权 ---------- */

.page-products .pd-steps {
  display: grid;
  gap: 1.4rem;
  margin: 0 0 clamp(2rem, 4vw, 3rem);
  padding: 0;
  list-style: none;
  counter-reset: pdstep;
}

.page-products .pd-step {
  position: relative;
  padding-left: 2.9rem;
}

.page-products .pd-step::before {
  counter-increment: pdstep;
  content: "0" counter(pdstep);
  position: absolute;
  left: 0;
  top: -.15rem;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: var(--radius-pill);
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
}

.page-products .pd-step::after {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 2.3rem;
  bottom: -1.4rem;
  width: 2px;
  background: rgba(245, 240, 230, .24);
}

.page-products .pd-step:last-child::after {
  display: none;
}

.page-products .pd-step__title {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--on-ink-strong);
}

.page-products .pd-step__text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--on-ink-soft);
}

.page-products .pd-license {
  display: grid;
  gap: 1.5rem;
}

.page-products .pd-license__media .media__frame {
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--ink-soft);
}

.page-products .pd-license__media .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-license__media .media__caption {
  margin-top: .7rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--on-ink-faint);
}

.page-products .pd-prose--on-ink {
  margin: 0 0 1.25rem;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--on-ink-soft);
}

.page-products .pd-license__contact {
  display: grid;
  gap: .5rem;
  margin: 0 0 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--ink-soft);
}

.page-products .pd-license__row {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .9rem;
  align-items: baseline;
}

.page-products .pd-license__row dt {
  min-width: 5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .05em;
  color: var(--amber);
}

.page-products .pd-license__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .875rem;
  color: var(--on-ink-strong);
  word-break: break-word;
}

.page-products .pd-license__hint {
  margin: 0 0 1.25rem;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--on-ink-soft);
}

/* ---------- 05 适用人群 ---------- */

.page-products .pd-audience {
  display: grid;
  gap: 1rem;
}

.page-products .pd-audience__item {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding: 1.15rem 1.2rem 1.25rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--paper-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pd-audience__item:hover,
.page-products .pd-audience__item:focus-within {
  transform: translateY(-3px);
  border-color: var(--signal);
}

.page-products .pd-audience__item--lead {
  border-left: 4px solid var(--amber);
}

.page-products .pd-audience__who {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .05em;
  color: var(--archive);
}

.page-products .pd-audience__goal {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.42;
  color: var(--ink);
}

.page-products .pd-audience__path {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 结尾行动区 ---------- */

.page-products .pd-cta {
  padding: 0 0 clamp(2.5rem, 5vw, 4rem);
}

.page-products .pd-cta__inner {
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem 1.35rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--paper-deep);
}

.page-products .pd-cta__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  line-height: 1.35;
  color: var(--ink);
}

.page-products .pd-cta__text p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .pd-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pd-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pd-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
    padding: 1.75rem 2rem;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    grid-template-areas:
      "lead media"
      "facts media";
    column-gap: 2.75rem;
    row-gap: 1.75rem;
    align-items: start;
  }

  .page-products .pd-hero__lead { grid-area: lead; }
  .page-products .pd-hero__media { grid-area: media; }
  .page-products .pd-hero__facts { grid-area: facts; }

  .page-products .pd-ways {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: start;
  }

  .page-products .pd-way--split { grid-column: 1 / span 3; }
  .page-products .pd-way--layer { grid-column: 4 / span 3; grid-row: 1 / span 2; }
  .page-products .pd-way--diff { grid-column: 1 / span 3; grid-row: 2; }

  .page-products .pd-search {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-products .pd-member {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-products .pd-step {
    padding-left: 0;
    padding-top: 3.1rem;
  }

  .page-products .pd-step::after {
    left: 2.5rem;
    right: -1.5rem;
    top: 1rem;
    bottom: auto;
    width: auto;
    height: 2px;
  }

  .page-products .pd-license {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 2.75rem;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-products .pd-audience {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-audience__item--lead {
    border-left: 1px solid var(--rule);
    border-top: 4px solid var(--amber);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-fact,
  .page-products .pd-way,
  .page-products .pd-filter,
  .page-products .pd-audience__item {
    transition: none;
  }

  .page-products .pd-fact:hover,
  .page-products .pd-way:hover,
  .page-products .pd-audience__item:hover {
    transform: none;
  }
}