.page-products {
  --pr-pad: clamp(20px, 3.2vw, 34px);
  --pr-gap: clamp(18px, 2.6vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-products .pr-open {
  position: relative;
  padding: clamp(26px, 4.4vw, 68px) 0 clamp(44px, 7vw, 104px);
  background:
    radial-gradient(900px 560px at 8% -22%, var(--cyan-10), transparent 62%),
    radial-gradient(720px 500px at 96% 6%, var(--coral-10), transparent 64%);
  overflow: hidden;
}

.page-products .pr-open::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: radial-gradient(72% 62% at 28% 18%, #000, transparent 76%);
  mask-image: radial-gradient(72% 62% at 28% 18%, #000, transparent 76%);
  opacity: 0.55;
}

.page-products .pr-open__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 4.4vw, 60px);
}

.page-products .pr-open__index {
  margin: 0 0 clamp(14px, 2.2vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sand);
}

.page-products .pr-open__title {
  margin: 0 0 clamp(16px, 2.2vw, 28px);
  font-size: clamp(36px, 7.6vw, 104px);
  font-weight: 200;
  line-height: 0.99;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-products .pr-open__lede {
  max-width: 46ch;
  color: var(--steel);
  font-size: clamp(15px, 1.15vw, 17px);
}

.page-products .pr-open__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-products .pr-spec {
  align-self: end;
  padding: var(--pr-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(158deg, rgba(12, 33, 56, 0.94), rgba(3, 11, 20, 0.94));
  box-shadow: inset 0 1px 0 var(--cyan-10);
}

.page-products .pr-spec__cap {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-products .pr-spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-products .pr-spec__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-products .pr-spec__v {
  font-family: var(--font-num);
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 700;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--mist);
  text-align: right;
}

.page-products .pr-spec__v--cyan { color: var(--cyan); }
.page-products .pr-spec__v--coral { color: var(--coral); }

/* ---------- 三段进度带 ---------- */
.page-products .pr-flow {
  background:
    radial-gradient(760px 420px at 82% 0%, var(--cyan-06), transparent 68%);
}

.page-products .pr-pipe {
  display: grid;
  gap: 14px;
  margin: clamp(26px, 3.4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-pipe__item {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-products .pr-pipe__item--done {
  border-color: var(--cyan-34);
  background:
    linear-gradient(152deg, var(--cyan-10), transparent 72%),
    var(--panel);
}

.page-products .pr-pipe__item--now {
  border-color: var(--coral-34);
  background:
    linear-gradient(152deg, var(--coral-10), transparent 72%),
    var(--panel);
}

.page-products .pr-pipe__state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  padding: 5px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--cyan-34);
  background: var(--cyan-10);
  color: var(--cyan);
  font-size: 12px;
  line-height: 1.4;
}

.page-products .pr-pipe__item--now .pr-pipe__state {
  border-color: var(--coral-34);
  background: var(--coral-10);
  color: var(--coral);
}

.page-products .pr-pipe__no {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(36px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-products .pr-pipe__item--now .pr-pipe__no { color: var(--coral); }

.page-products .pr-pipe__name {
  margin: 8px 0 10px;
  font-size: clamp(19px, 1.9vw, 23px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-products .pr-pipe__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 分块布局 ---------- */
.page-products .pr-block {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
  padding-top: clamp(26px, 3.4vw, 46px);
  border-top: 1px solid var(--line);
}

.page-products .pr-aside__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--sand);
}

.page-products .pr-aside__title {
  margin: 0 0 clamp(16px, 2vw, 24px);
  font-size: clamp(23px, 2.9vw, 36px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--mist);
}

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

.page-products .pr-steps__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--steel);
}

.page-products .pr-steps__n {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--cyan-34);
  background: var(--cyan-10);
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-products .pr-body {
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
  min-width: 0;
}

/* ---------- 正文排版 ---------- */
.page-products .pr-text p {
  margin: 0 0 0.95em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pr-text p:last-child { margin-bottom: 0; }

.page-products .pr-text strong {
  color: var(--mist);
  font-weight: 600;
}

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

.page-products .pr-mono {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--cyan-10);
  border: 1px solid var(--cyan-34);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ---------- 数据条 ---------- */
.page-products .pr-data {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .pr-data__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pr-data__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-products .pr-data__v {
  font-family: var(--font-num);
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 700;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--mist);
  text-align: right;
}

.page-products .pr-data__v--cyan { color: var(--cyan); }
.page-products .pr-data__v--coral { color: var(--coral); }

/* ---------- 导出格式选项卡 ---------- */
.page-products .pr-tabs {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(12, 33, 56, 0.9), rgba(3, 11, 20, 0.9));
}

.page-products .pr-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .pr-tabs__bar {
  display: inline-flex;
  gap: 5px;
  padding: 5px;
  margin-bottom: clamp(18px, 2.2vw, 26px);
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--void);
}

.page-products .pr-tabs__tab {
  padding: 9px 20px;
  border-radius: var(--r-pill);
  font-size: 14px;
  line-height: 1.4;
  color: var(--steel);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pr-tabs__radio:focus-visible ~ .pr-tabs__bar .pr-tabs__tab--long,
.page-products .pr-tabs__radio:focus-visible ~ .pr-tabs__bar .pr-tabs__tab--csv {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-products #pr-fmt-long:checked ~ .pr-tabs__bar .pr-tabs__tab--long,
.page-products #pr-fmt-csv:checked ~ .pr-tabs__bar .pr-tabs__tab--csv {
  background: var(--cyan);
  color: var(--void);
  font-weight: 600;
}

.page-products .pr-tabs__panel {
  display: none;
}

.page-products .pr-tabs__panel--long,
.page-products .pr-tabs__panel--csv {
  display: none;
}

.page-products #pr-fmt-long:checked ~ .pr-tabs__panels .pr-tabs__panel--long,
.page-products #pr-fmt-csv:checked ~ .pr-tabs__panels .pr-tabs__panel--csv {
  display: block;
  animation: prProductsIn var(--dur) var(--ease) both;
}

.page-products .pr-tabs__name {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 500;
  color: var(--mist);
}

.page-products .pr-tabs__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--steel);
}

.page-products .pr-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 版本记录 ---------- */
.page-products .pr-ver-list {
  margin: clamp(24px, 3vw, 38px) 0 clamp(28px, 3.4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-products .pr-ver {
  border-bottom: 1px solid var(--line);
}

.page-products .pr-ver__sum {
  display: grid;
  grid-template-columns: minmax(56px, 84px) minmax(0, 1fr) 18px;
  gap: 14px;
  align-items: center;
  padding: clamp(15px, 1.8vw, 20px) 4px;
  cursor: pointer;
  list-style: none;
}

.page-products .pr-ver__sum::-webkit-details-marker { display: none; }

.page-products .pr-ver__sum::after {
  content: "";
  justify-self: end;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--dur) var(--ease);
}

.page-products .pr-ver[open] .pr-ver__sum::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-products .pr-ver__sum:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-products .pr-ver__no {
  font-family: var(--font-num);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--sand);
}

.page-products .pr-ver__no--now { color: var(--coral); }

.page-products .pr-ver__name {
  font-size: clamp(15px, 1.3vw, 17px);
  color: var(--mist);
}

.page-products .pr-ver__body {
  padding: 0 4px clamp(18px, 2.2vw, 26px);
}

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

.page-products .pr-ver__points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .pr-ver__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

/* ---------- 设备适配 ---------- */
.page-products .pr-adapt {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: clamp(20px, 2.4vw, 28px);
  margin-bottom: clamp(24px, 3vw, 38px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, var(--sand-10), transparent 64%),
    var(--panel);
}

.page-products .pr-adapt__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .pr-adapt__chip {
  padding: 9px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--void);
  color: var(--steel);
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-adapt__radio:checked + .pr-adapt__chip {
  border-color: var(--cyan-34);
  background: var(--cyan-10);
  color: var(--cyan);
  font-weight: 600;
}

.page-products .pr-adapt__radio:focus-visible + .pr-adapt__chip {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-products .pr-adapt__out {
  flex: 1 0 100%;
  margin-top: clamp(14px, 1.8vw, 20px);
  padding-top: clamp(14px, 1.8vw, 20px);
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-adapt__case {
  display: block;
  animation: prProductsIn var(--dur) var(--ease) both;
}

.page-products .pr-adapt:has(input:checked) .pr-adapt__case { display: none; }
.page-products .pr-adapt:has(#pr-dev-pad:checked) .pr-adapt__case--pad { display: block; }
.page-products .pr-adapt:has(#pr-dev-phone:checked) .pr-adapt__case--phone { display: block; }
.page-products .pr-adapt:has(#pr-dev-web:checked) .pr-adapt__case--web { display: block; }

.page-products .pr-adapt__name {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--mist);
}

.page-products .pr-adapt__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--steel);
}

/* ---------- 常见问题 ---------- */
.page-products .pr-fix {
  display: grid;
  gap: 0;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pr-fix__item {
  padding: clamp(18px, 2.2vw, 26px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pr-fix__q {
  position: relative;
  margin: 0 0 10px;
  padding-left: 18px;
  font-size: clamp(16px, 1.5vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
}

.page-products .pr-fix__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--coral);
  transform: rotate(45deg);
}

.page-products .pr-fix__a {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel);
}

.page-products .pr-fix__foot {
  margin: clamp(22px, 2.6vw, 32px) 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 链接与动效 ---------- */
.page-products a.link-more {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 1px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products a.link-more:hover,
.page-products a.link-more:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--cyan);
}

.page-products a.link-more:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
  border-radius: 4px;
}

@keyframes prProductsIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pr-pipe {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-products .pr-open__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-products .pr-block {
    grid-template-columns: minmax(0, 288px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 640px) {
  .page-products .pr-open::after { background-size: 56px 56px; }
  .page-products .pr-open__acts .btn { flex: 1 1 auto; text-align: center; }
  .page-products .pr-ver__sum {
    grid-template-columns: minmax(48px, 62px) minmax(0, 1fr) 16px;
    gap: 10px;
  }
  .page-products .pr-adapt { padding: 18px; }
  .page-products .pr-adapt__chip { flex: 1 1 auto; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-tabs__panel,
  .page-products .pr-adapt__case {
    animation: none;
  }
  .page-products .pr-ver__sum::after,
  .page-products .pr-tabs__tab,
  .page-products .pr-adapt__chip {
    transition: none;
  }
}
<<<END>>>