.page-products {
  --pd-rail: 240px;
  --pd-gap: clamp(22px, 3.4vw, 44px);
  position: relative;
  color: var(--cream);
  background:
    radial-gradient(880px 420px at 90% -8%, rgba(255, 107, 44, .16), transparent 62%),
    radial-gradient(760px 420px at 2% 10%, rgba(53, 242, 208, .10), transparent 60%),
    var(--ink);
  padding: clamp(18px, 4vw, 34px) 0 clamp(56px, 8vw, 96px);
  overflow-x: clip;
}

.page-products .pd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(16px, 3vw, 28px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--grey);
}

.page-products .pd-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pd-crumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .pd-crumb .arena-breadcrumb__sep {
  color: var(--gold);
}

/* ---------- 首屏框景 ---------- */
.page-products .pd-hero {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(18px, 3.6vw, 40px);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(13, 42, 63, .94), rgba(7, 26, 43, .97));
}

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

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

.page-products .pd-hero::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
  border-color: var(--cyan);
}

.page-products .pd-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(29px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.015em;
}

.page-products .pd-hero__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 24px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-products .pd-hero__stat {
  padding: 12px 14px;
  background: rgba(7, 26, 43, .88);
}

.page-products .pd-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.1;
  color: var(--cyan);
}

.page-products .pd-hero__key {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grey);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-products .pd-hero__media {
  margin: 0;
  border: 1px solid var(--line-soft);
}

.page-products .pd-hero__media .arena-media__img,
.page-products .pd-figure .arena-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-layout {
  display: grid;
  gap: var(--pd-gap);
  margin-top: clamp(28px, 4vw, 50px);
}

.page-products .pd-rail {
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(13, 42, 63, .55);
}

.page-products .pd-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-products .pd-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pd-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 11px;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pd-rail__link:hover,
.page-products .pd-rail__link:focus-visible {
  color: var(--cream);
  background: rgba(201, 164, 92, .10);
  border-left-color: var(--orange);
}

.page-products .pd-rail__id {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
}

.page-products .pd-rail__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--grey);
}

.page-products .pd-body {
  min-width: 0;
}

.page-products .pd-section + .pd-section {
  margin-top: clamp(44px, 6vw, 84px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-section h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-products .pd-section__intro {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 组件分工 ---------- */
.page-products .pd-matrix {
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pd-matrix__item {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-products .pd-matrix__item:hover {
  background: rgba(13, 42, 63, .5);
}

.page-products .pd-matrix__coord {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  transition: color var(--dur) var(--ease);
}

.page-products .pd-matrix__item:hover .pd-matrix__coord {
  color: var(--orange);
}

.page-products .pd-matrix__item h3 {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
  color: var(--cream);
}

.page-products .pd-matrix__item p {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pd-matrix__item .pd-matrix__fit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- 轮次对照 ---------- */
.page-products .pd-fields {
  margin-top: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  background: rgba(13, 42, 63, .45);
}

.page-products .pd-fields__row {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-fields__row:last-child {
  border-bottom: 0;
}

.page-products .pd-fields__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-products .pd-fields__val {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cream);
}

.page-products .pd-note {
  margin: 18px 0 0;
  padding: 13px 16px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 107, 44, .09);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cream);
}

.page-products .pd-dims {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-dims li {
  padding: 7px 12px;
  border: 1px solid rgba(201, 164, 92, .38);
  background: rgba(7, 26, 43, .8);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--gold);
}

.page-products .pd-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border: 1px solid var(--line-soft);
}

.page-products .pd-split .pd-figure {
  margin-top: 0;
}

/* ---------- 比分卡带 / 手机同路径 ---------- */
.page-products .pd-split {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pd-split .pd-section__intro {
  margin-top: 0;
}

.page-products .pd-plainlist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-plainlist li {
  padding: 12px 0 12px 18px;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pd-plainlist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-products .pd-plainlist strong {
  color: var(--cream);
  font-weight: 700;
}

/* ---------- 六步清单 ---------- */
.page-products .pd-steps {
  display: grid;
  gap: 10px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-step {
  position: relative;
  border: 1px solid var(--line);
  background: rgba(13, 42, 63, .62);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pd-step:hover {
  border-color: rgba(201, 164, 92, .5);
}

.page-products .pd-step__check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pd-step__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
}

.page-products .pd-step__label::before {
  content: "";
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--gold);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pd-step__check:checked + .pd-step__label::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: inset 0 0 0 3px var(--ink-2);
}

.page-products .pd-step__check:checked + .pd-step__label .pd-step__title {
  color: var(--cyan);
}

.page-products .pd-step__check:focus-visible + .pd-step__label {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pd-step__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-products .pd-step__title {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: var(--cream);
  transition: color var(--dur) var(--ease);
}

.page-products .pd-step__desc {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 版本 ---------- */
.page-products .pd-versions {
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

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

.page-products .pd-versions__name {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--cream);
}

.page-products .pd-versions__ver {
  padding: 2px 7px;
  border: 1px solid rgba(53, 242, 208, .42);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .pd-versions__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 结尾通道 ---------- */
.page-products .pd-cta {
  margin-top: clamp(46px, 7vw, 88px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--line);
  background: linear-gradient(118deg, rgba(255, 107, 44, .16), rgba(13, 42, 63, .92) 46%, rgba(53, 242, 208, .12));
}

.page-products .pd-cta h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 900;
  line-height: 1.2;
}

.page-products .pd-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pd-fields__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
    padding: 14px 18px;
  }

  .page-products .pd-versions__row {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-products .pd-matrix__item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 22px;
    padding: 22px 0;
  }

  .page-products .pd-matrix__coord {
    padding-top: 3px;
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 880px) {
  .page-products .pd-hero {
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
  }

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

  .page-products .pd-split {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-products .pd-layout {
    grid-template-columns: var(--pd-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-rail {
    position: sticky;
    top: 96px;
    padding: 18px;
  }

  .page-products .pd-rail__list {
    display: block;
    overflow: visible;
  }

  .page-products .pd-rail__link {
    padding: 9px 10px;
  }
}

@media (min-width: 1180px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 1fr) 380px;
  }
}
<<<END>>>