.page-products {
  --pr-line: rgba(212, 175, 55, .22);
  --pr-line-soft: rgba(212, 175, 55, .10);
  --pr-line-ink: rgba(11, 12, 14, .14);
  --pr-ink-soft: rgba(11, 12, 14, .70);
  --pr-ink-mid: rgba(11, 12, 14, .80);
  background: var(--obsidian);
  color: var(--ivory);
}

.page-products .band--ivory {
  color: var(--obsidian);
}

.page-products .band--ivory .section-title {
  color: var(--obsidian);
}

.page-products .band--ivory .eyebrow,
.page-products .band--ivory .section-num {
  color: var(--gold-dark);
}

.page-products .band--ivory .section-desc {
  color: var(--pr-ink-soft);
}

.page-products .pr-crumb {
  padding-top: 22px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  padding-top: 34px;
  overflow: hidden;
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: -140px -12% auto -12%;
  height: 480px;
  background:
    radial-gradient(52% 62% at 16% 0%, rgba(212, 175, 55, .16), transparent 70%),
    radial-gradient(46% 56% at 84% 6%, rgba(47, 211, 196, .10), transparent 72%);
  pointer-events: none;
}

.page-products .pr-hero__grid {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-products .pr-hero h1 {
  margin: 10px 0 18px;
  font-size: clamp(2rem, 6.6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ivory);
}

.page-products .pr-hero__lead .lede {
  max-width: 46rem;
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pr-hero__panel {
  border: 1px solid var(--pr-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, #171A1F, #0E1014);
  box-shadow: var(--shadow-1);
  padding: 22px 20px;
}

.page-products .pr-panel__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-products .pr-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pr-steps__item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 10px;
  padding: 13px 0;
  border-top: 1px solid var(--pr-line-soft);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ivory);
}

.page-products .pr-steps__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pr-steps__item:last-child {
  padding-bottom: 0;
}

.page-products .pr-steps__num {
  font-size: 12px;
  color: var(--gold);
  padding-top: 3px;
}

/* ---------- 区块头部 ---------- */
.page-products .pr-head {
  max-width: 46rem;
}

.page-products .pr-head .section-title {
  margin-top: 6px;
}

.page-products .pr-head .section-desc {
  margin-top: 12px;
}

/* ---------- 图片框 ---------- */
.page-products .pr-fig {
  margin: 26px 0 0;
  border: 1px solid var(--pr-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--deep);
}

.page-products .pr-fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pr-fig__cap {
  padding: 10px 16px;
  border-top: 1px solid var(--pr-line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--graphite);
}

.page-products .band--ivory .pr-fig {
  border-color: var(--pr-line-ink);
  background: rgba(11, 12, 14, .05);
}

.page-products .band--ivory .pr-fig__cap {
  border-top-color: var(--pr-line-ink);
  color: var(--pr-ink-soft);
}

/* ---------- 通道 ---------- */
.page-products .pr-channels {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.page-products .pr-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px 24px;
  border: 1px solid var(--pr-line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, #171A1F, #101216);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pr-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 2px;
  border-radius: 2px;
  background: var(--gold);
}

.page-products .pr-channel--stable::before {
  background: var(--cyan);
}

.page-products .pr-channel--fast::before {
  background: var(--coral);
}

.page-products .pr-channel--archive::before {
  background: var(--gold);
}

.page-products .pr-channel:hover,
.page-products .pr-channel:focus-within {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .pr-channel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .pr-channel__name {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-products .pr-channel__for {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--gold-light);
}

.page-products .pr-channel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pr-channel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .pr-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--gold-dark);
}

.page-products .pr-channels__note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(212, 175, 55, .06);
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- V3 ---------- */
.page-products .pr-v3__grid {
  display: grid;
  gap: 30px;
}

.page-products .pr-v3__prose p {
  margin: 0 0 14px;
}

.page-products .pr-shift {
  display: grid;
  gap: 14px;
}

.page-products .pr-shift__col {
  border: 1px solid var(--pr-line-ink);
  border-radius: var(--radius);
  padding: 16px 18px;
  background: rgba(11, 12, 14, .04);
}

.page-products .pr-shift__col--now {
  border-color: var(--gold-dark);
  background: rgba(212, 175, 55, .12);
}

.page-products .pr-shift__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold-dark);
}

.page-products .pr-shift__val {
  margin: 8px 0 6px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--obsidian);
}

.page-products .pr-shift__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pr-ink-soft);
}

.page-products .pr-shift__arrow {
  text-align: center;
  font-size: 20px;
  color: var(--gold-dark);
}

/* ---------- 对照表 ---------- */
.page-products .pr-tablewrap {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--pr-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(23, 26, 31, .92), rgba(11, 12, 14, .92));
  -webkit-overflow-scrolling: touch;
}

.page-products .pr-tablewrap:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-products .pr-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pr-table th,
.page-products .pr-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pr-line-soft);
}

.page-products .pr-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--gold);
  background: rgba(212, 175, 55, .06);
  white-space: nowrap;
}

.page-products .pr-table tbody td {
  color: var(--graphite);
}

.page-products .pr-table tbody td:first-child {
  color: var(--ivory);
  border-left: 2px solid transparent;
}

.page-products .pr-table tbody tr.pr-row--changed td:first-child {
  border-left-color: var(--gold);
}

.page-products .pr-table tbody tr:hover td {
  background: rgba(212, 175, 55, .05);
}

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

.page-products .pr-table-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 适配清单 ---------- */
.page-products .pr-device__grid {
  display: grid;
  gap: 28px;
}

.page-products .pr-device__grid .pr-fig {
  margin-top: 0;
}

.page-products .pr-dl {
  margin: 0;
  display: grid;
}

.page-products .pr-dl__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pr-line-ink);
}

.page-products .pr-dl__row:first-child {
  padding-top: 0;
}

.page-products .pr-dl__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pr-dl__term {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold-dark);
}

.page-products .pr-dl__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pr-ink-mid);
}

/* ---------- 分类索引 ---------- */
.page-products .pr-catalog__grid {
  display: grid;
  gap: 26px;
}

.page-products .pr-catalog__grid .pr-fig {
  margin-top: 0;
  order: -1;
}

.page-products .pr-catalog__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pr-line);
}

.page-products .pr-catalog__item {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 2px 10px;
  padding: 13px 6px;
  border-bottom: 1px solid var(--pr-line-soft);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-catalog__item:hover {
  background: rgba(212, 175, 55, .06);
  border-bottom-color: var(--gold);
}

.page-products .pr-catalog__num {
  grid-column: 1;
  grid-row: 1;
  font-size: 12px;
  color: var(--gold);
}

.page-products .pr-catalog__name {
  grid-column: 2;
  grid-row: 1;
  font-size: 16px;
  font-weight: 700;
  color: var(--ivory);
}

.page-products .pr-catalog__desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 13px;
  line-height: 1.65;
  color: var(--graphite);
}

.page-products .pr-catalog__tag {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
}

/* ---------- 命名与取用 ---------- */
.page-products .pr-naming__grid {
  display: grid;
  gap: 30px;
  margin-top: 28px;
}

.page-products .pr-namecode {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-products .pr-namecode li {
  border: 1px solid var(--pr-line-ink);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: rgba(11, 12, 14, .04);
}

.page-products .pr-namecode b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--gold-dark);
}

.page-products .pr-namecode span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--pr-ink-soft);
}

.page-products .pr-naming__prose {
  margin-top: 20px;
}

.page-products .pr-naming__prose p {
  margin: 0;
}

.page-products .pr-subtitle {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--obsidian);
}

.page-products .pr-check {
  counter-reset: prcheck;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pr-check li {
  counter-increment: prcheck;
  position: relative;
  padding: 15px 0 15px 44px;
  border-bottom: 1px solid var(--pr-line-ink);
  font-size: 15px;
  line-height: 1.75;
  color: var(--pr-ink-mid);
}

.page-products .pr-check li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pr-check li::before {
  content: counter(prcheck, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold-dark);
}

/* ---------- 收尾 ---------- */
.page-products .pr-tail {
  display: grid;
  gap: 16px;
  margin-top: 36px;
  padding: 22px 20px;
  border: 1px solid var(--pr-line-ink);
  border-left: 2px solid var(--gold-dark);
  border-radius: var(--radius);
  background: rgba(212, 175, 55, .08);
}

.page-products .pr-tail p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pr-ink-mid);
}

.page-products .pr-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 620px) {
  .page-products .pr-shift {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 16px;
  }

  .page-products .pr-dl__row {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-products .pr-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 860px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .pr-hero__panel {
    margin-top: 14px;
  }
}

@media (min-width: 900px) {
  .page-products .pr-v3__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .pr-device__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pr-naming__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .pr-tail {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 960px) {
  .page-products .pr-catalog__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    align-items: start;
  }

  .page-products .pr-catalog__grid .pr-fig {
    order: 0;
  }
}

@media (max-width: 620px) {
  .page-products .pr-catalog__item {
    grid-template-columns: 2.7rem minmax(0, 1fr);
  }

  .page-products .pr-catalog__tag {
    grid-column: 2;
    grid-row: 3;
    justify-self: start;
    margin-top: 4px;
  }

  .page-products .pr-hero__actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}
<<<END>>>