.page-products {
  position: relative;
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 760px;
  background-image:
    linear-gradient(rgba(28, 58, 97, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 58, 97, 0.3) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 92%);
  pointer-events: none;
  z-index: 0;
}

.page-products > * {
  position: relative;
  z-index: 1;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-2);
}

.page-products .breadcrumbs a {
  color: var(--text-2);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-products .pr-sep {
  color: var(--line);
}

.page-products .breadcrumbs [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏版本条 ---------- */
.page-products .pr-version {
  padding-top: clamp(28px, 5vw, 68px);
}

.page-products .pr-version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

@media (min-width: 960px) {
  .page-products .pr-version-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 76px);
  }
}

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

.page-products h1 {
  margin: 14px 0 20px;
  font-size: clamp(34px, 5.6vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  text-wrap: balance;
}

.page-products .pr-lede {
  max-width: 58ch;
  margin: 0 0 28px;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.8;
  color: var(--text-2);
}

.page-products .pr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pr-version-media,
.page-products .pr-web-media,
.page-products .pr-subs-banner,
.page-products .pr-steps-media,
.page-products .pr-req-media {
  position: relative;
  margin: 0;
  padding-top: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-blue);
}

.page-products .pr-version-media img,
.page-products .pr-web-media img,
.page-products .pr-subs-banner img,
.page-products .pr-steps-media img,
.page-products .pr-req-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pr-version-media img { aspect-ratio: 4 / 3; }
.page-products .pr-web-media img     { aspect-ratio: 30 / 19; }
.page-products .pr-subs-banner img   { aspect-ratio: 5 / 2; }
.page-products .pr-steps-media img   { aspect-ratio: 1 / 1; }
.page-products .pr-req-media img     { aspect-ratio: 3 / 2; }

/* ---------- 规格行 ---------- */
.page-products .pr-spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(32px, 4vw, 52px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

@media (min-width: 780px) {
  .page-products .pr-spec {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pr-spec > div {
  background: var(--panel-blue);
  padding: 18px 20px;
}

.page-products .pr-spec dt {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
}

.page-products .pr-spec dd {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

/* ---------- 对照板 ---------- */
.page-products .pr-board {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(11, 27, 51, 0.94), rgba(5, 10, 22, 0.94));
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-products .pr-board {
    grid-template-columns: minmax(230px, 4fr) minmax(0, 8fr);
  }
}

.page-products .pr-board-rail {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 900px) {
  .page-products .pr-board-rail {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }
}

.page-products .pr-rail-btn {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num note";
  align-items: center;
  gap: 2px 14px;
  min-height: 44px;
  padding: 20px 22px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-2);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s ease;
}

.page-products .pr-rail-btn:last-child {
  border-bottom: 0;
}

.page-products .pr-rail-num {
  grid-area: num;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-2);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .pr-rail-name {
  grid-area: name;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pr-rail-note {
  grid-area: note;
  font-size: 13px;
  color: var(--text-2);
}

.page-products .pr-rail-btn[aria-selected="true"] {
  background: rgba(47, 227, 240, 0.07);
}

.page-products .pr-rail-btn[aria-selected="true"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
}

.page-products .pr-rail-btn[aria-selected="true"] .pr-rail-num {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pr-board-stage {
  padding: clamp(24px, 3vw, 38px);
}

.page-products .pr-board-panel[hidden] {
  display: none;
}

.page-products .pr-panel-lede {
  max-width: 58ch;
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 键值说明行 ---------- */
.page-products .pr-facts {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-products .pr-facts > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 640px) {
  .page-products .pr-facts > div {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-products .pr-facts dt {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-2);
}

.page-products .pr-facts dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- 浏览器端 ---------- */
.page-products .pr-web-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 54px);
  align-items: start;
}

@media (min-width: 960px) {
  .page-products .pr-web-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(32px, 4.5vw, 64px);
  }
}

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

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

.page-products .pr-web-list li {
  padding: 20px 0 20px 18px;
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-products .pr-web-list li:first-child {
  padding-top: 0;
}

.page-products .pr-web-list li:last-child {
  border-bottom: 0;
}

.page-products .pr-web-list h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pr-web-list p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 安装步骤 ---------- */
.page-products .pr-steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 54px);
  align-items: start;
}

@media (min-width: 960px) {
  .page-products .pr-steps-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

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

.page-products .pr-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 20px;
  padding-bottom: clamp(24px, 3vw, 36px);
}

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

.page-products .pr-step::after {
  content: "";
  position: absolute;
  left: 23px;
  top: 54px;
  bottom: 10px;
  width: 1px;
  background: var(--line);
}

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

.page-products .pr-step-num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-blue);
  color: var(--cyan);
  font-size: 15px;
  font-weight: 600;
}

.page-products .pr-step-body {
  min-width: 0;
  padding-top: 3px;
}

.page-products .pr-step-body h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pr-step-body > p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-products .pr-step-body > p.pr-step-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
}

/* ---------- 订阅栏目 ---------- */
.page-products .pr-subs-banner {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pr-sub-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

@media (min-width: 820px) {
  .page-products .pr-sub-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pr-sub-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 24px;
  background: var(--panel-blue);
  transition: background 0.25s ease;
}

.page-products .pr-sub-card:hover,
.page-products .pr-sub-card:focus-within {
  background: #0C2039;
}

.page-products .pr-sub-bar {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 3px;
  background: var(--cyan);
}

.page-products .pr-sub-card--month .pr-sub-bar { background: var(--cyan-deep); }
.page-products .pr-sub-card--topic .pr-sub-bar { background: var(--green); }

.page-products .pr-sub-name {
  margin: 12px 0 6px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .pr-sub-cycle {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .pr-sub-audience {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-products .pr-sub-detail {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-products .pr-sub-detail .pr-facts {
  margin: 0;
  border-top: 0;
}

.page-products .pr-sub-detail .pr-facts > div {
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 10px 0;
}

.page-products .pr-sub-detail .pr-facts > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

@media (hover: hover) and (min-width: 820px) {
  .page-products .pr-sub-detail {
    max-height: 0;
    padding-top: 0;
    opacity: 0;
    overflow: hidden;
    border-top-color: transparent;
    transition: max-height 0.35s ease, opacity 0.25s ease, padding-top 0.35s ease;
  }

  .page-products .pr-sub-card:hover .pr-sub-detail,
  .page-products .pr-sub-card:focus-within .pr-sub-detail {
    max-height: 340px;
    padding-top: 16px;
    opacity: 1;
    border-top-color: var(--line);
  }
}

/* ---------- 下载窗口时间轴 ---------- */
.page-products .pr-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-products .pr-tl-item {
  position: relative;
  padding: 0 0 30px 28px;
  border-left: 1px solid var(--line);
}

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

.page-products .pr-tl-dot {
  position: absolute;
  left: -6px;
  top: 5px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink-900);
  box-sizing: border-box;
}

.page-products .pr-tl-item.is-closed .pr-tl-dot {
  border-color: var(--orange);
}

.page-products .pr-tl-when {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-2);
}

.page-products .pr-tl-what {
  display: block;
  font-size: 16px;
  line-height: 1.72;
  color: var(--text);
}

.page-products .pr-tl-item.is-closed .pr-tl-what {
  color: var(--text-2);
}

@media (min-width: 880px) {
  .page-products .pr-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-top: 26px;
  }

  .page-products .pr-tl-item {
    padding: 24px 26px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .page-products .pr-tl-item:last-child {
    padding-right: 0;
  }

  .page-products .pr-tl-dot {
    left: 0;
    top: -6px;
  }
}

/* ---------- 系统要求 ---------- */
.page-products .pr-req-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

@media (min-width: 960px) {
  .page-products .pr-req-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4.5vw, 64px);
  }
}

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

.page-products .pr-req-label {
  flex: 1 1 auto;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  text-align: left;
}

.page-products .pr-req-acc .acc-panel p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 故障速查 ---------- */
.page-products .pr-trouble {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

@media (min-width: 880px) {
  .page-products .pr-trouble {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pr-trouble li {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  background: var(--panel-blue);
}

.page-products .pr-trouble h3 {
  display: flex;
  align-items: baseline;
  gap: 0;
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .pr-trouble h3::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  background: var(--cyan);
  border-radius: 1px;
  transform: translateY(-2px);
}

.page-products .pr-trouble p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-products .pr-trouble a {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 1px;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 240, 0.35);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-products .pr-trouble a:hover,
.page-products .pr-trouble a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ---------- 收口 ---------- */
.page-products .pr-cta-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(14, 124, 147, 0.24), rgba(11, 27, 51, 0.92) 58%, rgba(5, 10, 22, 0.96));
}

@media (min-width: 880px) {
  .page-products .pr-cta-panel {
    grid-template-columns: minmax(0, 7fr) auto;
    align-items: center;
    gap: 36px;
  }

  .page-products .pr-cta-panel .pr-actions {
    justify-content: flex-end;
  }
}

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

.page-products .pr-cta-copy h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .pr-cta-copy p {
  max-width: 62ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-2);
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
  }
}
</PAGE_CSS>>>