.page-products {
  --pr-gap: clamp(1rem, 2.6vw, 1.6rem);
  --pr-pad: clamp(1.1rem, 3vw, 2.4rem);
  --pr-section-space: clamp(2.4rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.6rem, 6vw, 5rem);
}

.page-products .pr-crumb-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.2rem;
  padding-top: clamp(1rem, 2.6vw, 1.6rem);
  padding-bottom: clamp(0.9rem, 2.4vw, 1.4rem);
}

.page-products .pr-crumb-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
  color: var(--steel);
}

/* ---------- 首屏框景 ---------- */
.page-products .pr-hero {
  padding-bottom: clamp(2rem, 5vw, 3.4rem);
}

.page-products .pr-frame {
  position: relative;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 92% 0%, rgba(89, 224, 200, 0.10), transparent 58%),
    linear-gradient(168deg, rgba(14, 42, 35, 0.96), rgba(7, 27, 22, 0.98));
  padding: var(--pr-pad);
  overflow: hidden;
}

.page-products .pr-frame::before,
.page-products .pr-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--lime);
  pointer-events: none;
}

.page-products .pr-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-products .pr-frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-products .pr-hero__grid {
  display: grid;
  gap: clamp(1.4rem, 3.5vw, 2.6rem);
  align-items: end;
}

.page-products .pr-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.9rem;
  color: var(--lime);
}

.page-products .pr-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--lime);
}

.page-products .pr-hero__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6.4vw, 3.9rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-products .pr-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--paper-70);
}

.page-products .pr-keys {
  list-style: none;
  margin: clamp(1.3rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .pr-key {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no label"
    "no hint";
  gap: 0.1rem 0.75rem;
  align-items: center;
  padding: 0.62rem 0.8rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--lime-dark);
  background: rgba(18, 51, 41, 0.5);
  text-decoration: none;
  transition: border-color 180ms linear, background-color 180ms linear, transform 180ms linear;
}

.page-products .pr-key:hover,
.page-products .pr-key:focus-visible {
  border-left-color: var(--lime);
  background: rgba(184, 255, 61, 0.08);
  transform: translateX(2px);
}

.page-products .pr-key__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-products .pr-key__label {
  grid-area: label;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pr-key__hint {
  grid-area: hint;
  font-size: var(--fs-micro);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-products .pr-hero__media {
  border: 1px solid var(--line);
  background: var(--ink-3);
}

.page-products .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

/* ---------- 通用章节 ---------- */
.page-products .pr-section {
  padding-top: var(--pr-section-space);
}

.page-products .pr-head {
  display: grid;
  gap: 0.5rem;
  padding-bottom: clamp(1rem, 2.6vw, 1.6rem);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(1.1rem, 2.8vw, 1.8rem);
}

.page-products .pr-head .section-note {
  margin: 0;
  max-width: 58ch;
  color: var(--steel);
  font-size: var(--fs-note);
  line-height: 1.7;
}

.page-products .pr-body {
  margin: 0 0 0.95rem;
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--paper-70);
}

.page-products .pr-body--foot {
  margin-top: clamp(1rem, 2.4vw, 1.5rem);
  padding-left: 0.9rem;
  border-left: 2px solid var(--line);
  font-size: var(--fs-note);
}

.page-products .pr-body a {
  color: var(--ice);
  text-underline-offset: 3px;
}

.page-products .pr-body a:hover,
.page-products .pr-body a:focus-visible {
  color: var(--lime);
}

/* ---------- 筛选与矩阵 ---------- */
.page-products .pr-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: clamp(1.1rem, 2.8vw, 1.8rem);
}

.page-products .pr-filters .filter-btn {
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper-70);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 180ms linear, border-color 180ms linear, background-color 180ms linear;
}

.page-products .pr-filters .filter-btn:hover {
  border-color: var(--lime-dark);
  color: var(--paper);
}

.page-products .pr-filters .filter-btn[aria-pressed="true"] {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

.page-products .pr-matrix {
  display: grid;
  gap: var(--pr-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pr-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border: 1px solid var(--line);
  border-top: 2px solid var(--lime-dark);
  background: linear-gradient(158deg, rgba(18, 51, 41, 0.72), rgba(7, 27, 22, 0.9));
  transition: border-top-color 180ms linear, transform 180ms linear, box-shadow 180ms linear;
}

.page-products .pr-card:hover {
  border-top-color: var(--lime);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.page-products .pr-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-products .pr-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .pr-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--paper-70);
}

.page-products .pr-card__more {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.6;
  color: var(--steel);
}

.page-products .pr-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.2rem 0 0;
}

.page-products .pr-card__tags span {
  padding: 0.16rem 0.5rem;
  border: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  color: var(--lime-dark);
}

.page-products .pr-card__link {
  margin-top: auto;
  padding-top: 0.35rem;
  font-size: var(--fs-note);
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-dark);
  align-self: flex-start;
  transition: color 180ms linear, border-color 180ms linear;
}

.page-products .pr-card__link:hover,
.page-products .pr-card__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 分栏章节 ---------- */
.page-products .pr-split {
  display: grid;
  gap: clamp(1.2rem, 3.4vw, 2.4rem);
  align-items: start;
}

.page-products .pr-split__body {
  min-width: 0;
}

.page-products .pr-split__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-3);
  box-shadow: inset 0 0 0 1px rgba(184, 255, 61, 0.06);
}

.page-products .pr-split__body .section-title {
  margin: 0 0 0.8rem;
}

.page-products .pr-stats {
  list-style: none;
  margin: clamp(1rem, 2.4vw, 1.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products .pr-stats li {
  padding: 0.7rem 0.8rem;
  border-left: 1px solid var(--line);
  background: rgba(14, 42, 35, 0.55);
}

.page-products .pr-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  letter-spacing: 0.03em;
  color: var(--lime);
}

.page-products .pr-stats__label {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--fs-micro);
  line-height: 1.5;
  color: var(--steel);
}

.page-products .pr-list {
  list-style: none;
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-list li {
  padding-top: 0.5rem;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 0.5rem;
  font-size: var(--fs-note);
  line-height: 1.65;
  color: var(--paper-70);
}

.page-products .pr-list strong {
  color: var(--paper);
  font-weight: 700;
  margin-right: 0.4rem;
}

/* ---------- 回看步骤 ---------- */
.page-products .pr-steps {
  list-style: none;
  margin: clamp(1rem, 2.4vw, 1.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .pr-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-soft);
  background: rgba(18, 51, 41, 0.42);
}

.page-products .pr-steps__no {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 0.18rem;
}

.page-products .pr-steps p {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--paper-70);
}

.page-products .pr-steps strong {
  display: block;
  color: var(--paper);
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

/* ---------- 旧版入口 ---------- */
.page-products .pr-legacy {
  display: grid;
  gap: clamp(1.2rem, 3.4vw, 2.4rem);
  align-items: start;
  padding: var(--pr-pad);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, rgba(140, 154, 148, 0.05) 0 2px, transparent 2px 14px),
    linear-gradient(200deg, rgba(18, 51, 41, 0.9), rgba(7, 27, 22, 0.96));
}

.page-products .pr-legacy__media {
  margin: 0;
  border: 1px solid var(--line);
  order: -1;
}

.page-products .pr-legacy__copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.75rem;
  margin-top: clamp(1rem, 2.4vw, 1.4rem);
  padding: 0.7rem 0.85rem;
  border: 1px dashed var(--line);
  background: rgba(7, 27, 22, 0.6);
}

.page-products .pr-legacy__path {
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.04em;
  color: var(--ice);
  word-break: break-all;
}

.page-products .pr-legacy__btn {
  margin-left: auto;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--lime-dark);
  background: transparent;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 180ms linear, color 180ms linear, border-color 180ms linear;
}

.page-products .pr-legacy__btn:hover,
.page-products .pr-legacy__btn:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-products .pr-legacy__btn.is-done {
  border-color: var(--orange);
  color: var(--orange);
  background: transparent;
}

/* ---------- 会员中心工具 ---------- */
.page-products .pr-tools {
  display: grid;
  gap: var(--pr-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pr-tool {
  padding: clamp(0.95rem, 2.4vw, 1.3rem);
  border: 1px solid var(--line);
  background: rgba(14, 42, 35, 0.62);
  border-bottom: 2px solid var(--ice);
  transition: border-bottom-color 180ms linear, background-color 180ms linear;
}

.page-products .pr-tool:hover {
  border-bottom-color: var(--lime);
  background: rgba(18, 51, 41, 0.85);
}

.page-products .pr-tool__no {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-products .pr-tool__title {
  margin: 0 0 0.4rem;
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .pr-tool__text {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--paper-70);
}

/* ---------- 设备与时间线 ---------- */
.page-products .pr-devices {
  display: grid;
  gap: 0.6rem;
  margin-top: clamp(1rem, 2.4vw, 1.4rem);
}

.page-products .pr-device {
  display: grid;
  gap: 0.2rem;
  padding: 0.7rem 0.85rem;
  border-left: 2px solid var(--lime-dark);
  background: rgba(14, 42, 35, 0.55);
}

.page-products .pr-device__name {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-products .pr-device p {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.6;
  color: var(--paper-70);
}

.page-products .pr-timeline {
  list-style: none;
  margin: clamp(0.6rem, 1.8vw, 1rem) 0 0;
  padding: 0 0 0 1.1rem;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 1.05rem;
}

.page-products .pr-timeline li {
  position: relative;
}

.page-products .pr-timeline li::before {
  content: "";
  position: absolute;
  left: -1.35rem;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-products .pr-timeline__year {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-products .pr-timeline__title {
  margin: 0.15rem 0 0.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .pr-timeline p {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.65;
  color: var(--paper-70);
}

/* ---------- 结尾 ---------- */
.page-products .pr-cta {
  padding-top: var(--pr-section-space);
}

.page-products .pr-cta__panel {
  display: grid;
  gap: 1.2rem;
  padding: var(--pr-pad);
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  background:
    radial-gradient(110% 160% at 100% 0%, rgba(184, 255, 61, 0.12), transparent 60%),
    rgba(14, 42, 35, 0.9);
}

.page-products .pr-cta__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .pr-cta__lead {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--paper-70);
}

.page-products .pr-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-products .pr-cta__actions .btn {
  flex: 1 1 auto;
  text-align: center;
  min-width: 8.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pr-keys {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 880px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

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

  .page-products .pr-matrix .pr-card:nth-child(3n + 2) {
    margin-top: 1.15rem;
  }

  .page-products .pr-split,
  .page-products .pr-legacy {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .pr-split--flip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pr-split--flip .pr-split__media {
    order: -1;
  }

  .page-products .pr-legacy__media {
    order: 0;
  }

  .page-products .pr-cta__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-products .pr-section {
    padding-top: calc(var(--pr-section-space) * 1.1);
  }

  .page-products .pr-card__text {
    font-size: 0.94rem;
  }
}
<<<END>>>