.page-products {
  --pf-gap: clamp(14px, 2vw, 26px);
  --pf-pad: clamp(16px, 2.6vw, 26px);
  background-color: var(--arena-900);
  color: var(--on-dark);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 28px) clamp(40px, 6vw, 76px);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 82% 12%, rgba(53, 242, 208, 0.12), transparent 46%),
    repeating-linear-gradient(90deg, rgba(167, 180, 194, 0.07) 0 1px, transparent 1px 76px);
}

.page-products .pf-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .pf-hero .breadcrumb {
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-products .pf-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-products .pf-hero__copy .eyebrow {
  color: var(--cyan-400);
}

.page-products .pf-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--on-dark);
}

.page-products .pf-hero__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--on-dark-dim);
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* 终端状态面板 */
.page-products .pf-terminal {
  position: relative;
  padding: var(--pf-pad);
  background-color: var(--command-800);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--cyan-400);
}

.page-products .pf-terminal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-terminal__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--silver-400);
}

.page-products .pf-term {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pf-term__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-term__row:last-child {
  border-bottom: 0;
}

.page-products .pf-term__k {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--on-dark-muted);
}

.page-products .pf-term__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 15px;
  color: var(--cyan-400);
  white-space: nowrap;
}

.page-products .pf-collect {
  margin-top: 14px;
  padding: 13px 14px;
  background-color: rgba(53, 242, 208, 0.07);
  border: 1px dashed rgba(53, 242, 208, 0.42);
}

.page-products .pf-collect__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-products .pf-collect__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-dim);
}

/* ---------- 版块标题 ---------- */
.page-products .pf-head {
  max-width: 62ch;
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-products .pf-head .eyebrow {
  color: var(--orange-500);
}

.page-products .pf-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--on-dark);
}

.page-products .pf-head__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-dark-dim);
}

.page-products .surface-paper .pf-head h2,
.page-products .surface-paper .pf-column__copy h2 {
  color: var(--on-light);
}

.page-products .surface-paper .pf-head__note,
.page-products .surface-paper .pf-column__copy .pf-head__note {
  color: var(--on-light-muted);
}

/* ---------- 下载入口 ---------- */
.page-products .pf-downloads {
  background-image: linear-gradient(180deg, rgba(18, 44, 71, 0.55), transparent 70%);
}

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

.page-products .pf-device {
  --accent: var(--cyan-400);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--pf-pad);
  min-width: 0;
  background-color: var(--command-800);
  border: 1px solid var(--line-soft);
}

.page-products .pf-device:nth-child(2) { --accent: var(--orange-500); }
.page-products .pf-device:nth-child(3) { --accent: var(--moss-500); }
.page-products .pf-device:nth-child(4) { --accent: var(--clay-500); }

.page-products .pf-device::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 3px;
  background-color: var(--accent);
}

.page-products .pf-device__sys {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-products .pf-device__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-dark-dim);
}

.page-products .pf-device__meta {
  list-style: none;
  margin: auto 0 0;
  padding: 10px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 6px;
  font-size: 12px;
}

.page-products .pf-device__meta li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--on-dark-muted);
}

.page-products .pf-device__meta b {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--on-dark);
}

.page-products .pf-device__link {
  align-self: flex-start;
  font-size: 13px;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.4);
  padding-bottom: 2px;
}

.page-products .pf-device__link:hover,
.page-products .pf-device__link:focus-visible {
  color: var(--paper-50);
  border-bottom-color: var(--orange-500);
}

.page-products .pf-shot {
  margin: clamp(20px, 3vw, 34px) 0 0;
}

.page-products .pf-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 导航层级 ---------- */
.page-products .pf-path {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-products .pf-path__node {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-light);
  background-color: var(--paper-50);
  border: 1px solid var(--line-light);
}

.page-products .pf-path__node--end {
  color: var(--paper-50);
  background-color: var(--on-light);
  border-color: var(--on-light);
}

.page-products .pf-path__line {
  flex: 0 1 48px;
  height: 2px;
  min-width: 24px;
  background-image: linear-gradient(90deg, var(--clay-500), var(--orange-500));
}

.page-products .pf-nav-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-products .pf-tree__caption {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-light-muted);
}

.page-products .pf-tree__group {
  margin-bottom: 10px;
  background-color: var(--paper-50);
  border: 1px solid var(--line-light);
}

.page-products .pf-tree__group summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px var(--pf-pad);
  cursor: pointer;
  list-style: none;
}

.page-products .pf-tree__group summary::-webkit-details-marker {
  display: none;
}

.page-products .pf-tree__group summary:hover {
  background-color: rgba(182, 106, 75, 0.08);
}

.page-products .pf-tree__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--clay-500);
}

.page-products .pf-tree__name {
  font-weight: 700;
  font-size: 16px;
  color: var(--on-light);
}

.page-products .pf-tree__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--on-light-muted);
  white-space: nowrap;
}

.page-products .pf-tree__list {
  list-style: none;
  margin: 0;
  padding: 12px var(--pf-pad) 16px clamp(26px, 4vw, 40px);
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-light);
}

.page-products .pf-tree__list li {
  position: relative;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-light-muted);
}

.page-products .pf-tree__list li::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 0.75em;
  width: 6px;
  height: 6px;
  background-color: var(--moss-500);
}

.page-products .pf-tree__list b {
  display: block;
  margin-bottom: 2px;
  color: var(--on-light);
}

.page-products .pf-tree__note {
  margin: 4px 0 0;
  padding: 10px 0 10px 14px;
  border-left: 2px solid var(--clay-500);
  font-size: 13px;
  line-height: 1.72;
  color: var(--on-light-muted);
}

.page-products .pf-shot--tall {
  margin-top: 0;
}

/* ---------- 接口状态 ---------- */
.page-products .pf-interface {
  background-image: linear-gradient(180deg, rgba(18, 44, 71, 0.6), transparent 80%);
}

.page-products .pf-interface__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-products .pf-interface__grid .pf-shot {
  margin-top: 0;
}

.page-products .pf-stat-row {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .pf-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.1;
  color: var(--orange-500);
}

.page-products .pf-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--on-dark-muted);
}

.page-products .pf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(16px, 2.6vw, 24px);
}

.page-products .pf-status {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .pf-status__row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.page-products .pf-status__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(53, 242, 208, 0.14);
}

.page-products .pf-status__name {
  color: var(--on-dark);
  font-weight: 600;
}

.page-products .pf-status__val {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver-400);
  text-align: right;
}

/* ---------- 专栏与收藏 ---------- */
.page-products .pf-column__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-products .pf-column__grid .pf-shot {
  margin-top: 0;
}

.page-products .pf-column__copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-products .pf-column__copy .eyebrow {
  color: var(--clay-500);
}

.page-products .pf-collect-list {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 clamp(18px, 2.6vw, 24px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pf-collect-list li {
  padding-left: 12px;
  border-left: 2px solid var(--moss-500);
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-light-muted);
}

.page-products .pf-collect-list li:nth-child(even) {
  border-left-color: var(--clay-500);
}

.page-products .pf-collect-list b {
  display: block;
  margin-bottom: 2px;
  color: var(--on-light);
  font-size: 15px;
}

/* ---------- 安装步骤 ---------- */
.page-products .pf-install {
  background-image: linear-gradient(180deg, transparent, rgba(18, 44, 71, 0.5));
}

.page-products .pf-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
}

.page-products .pf-step {
  position: relative;
  padding: var(--pf-pad);
  background-color: rgba(18, 44, 71, 0.72);
  border: 1px solid var(--line-soft);
  min-width: 0;
}

.page-products .pf-step__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  color: var(--cyan-400);
  opacity: 0.42;
}

.page-products .pf-step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--on-dark);
}

.page-products .pf-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--on-dark-dim);
}

.page-products .pf-install__more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--on-dark-muted);
}

.page-products .pf-install__more a,
.page-products .pf-faq a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.42);
}

.page-products .surface-paper .pf-faq a {
  color: var(--clay-500);
  border-bottom-color: rgba(182, 106, 75, 0.45);
}

/* ---------- 版本与答疑 ---------- */
.page-products .pf-versions__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}

.page-products .pf-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line-light);
  display: grid;
  gap: 20px;
}

.page-products .pf-timeline__item {
  position: relative;
}

.page-products .pf-timeline__item::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--clay-500);
}

.page-products .pf-timeline__ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--on-light);
  background-color: var(--paper-50);
  border: 1px solid var(--line-light);
  padding: 3px 8px;
}

.page-products .pf-timeline__item h3 {
  margin: 8px 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--on-light);
}

.page-products .pf-timeline__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-light-muted);
}

.page-products .pf-faq__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-light-muted);
}

.page-products .pf-faq dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-products .pf-faq dt {
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--on-light);
}

.page-products .pf-faq dd {
  margin: 4px 0 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-light);
  font-size: 14px;
  line-height: 1.74;
  color: var(--on-light-muted);
}

.page-products .pf-faq__more {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--on-light-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pf-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    gap: clamp(26px, 4vw, 52px);
  }

  .page-products .pf-nav-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-products .pf-interface__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  }

  .page-products .pf-column__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-products .pf-versions__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

@media (min-width: 1024px) {
  .page-products .pf-devices {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pf-step:not(:last-child)::after {
    content: "";
    position: absolute;
    right: calc(-1 * var(--pf-gap));
    top: 50%;
    width: var(--pf-gap);
    height: 2px;
    background-image: linear-gradient(90deg, var(--orange-500), var(--clay-500));
  }
}

@media (max-width: 420px) {
  .page-products .pf-path__line {
    flex-basis: 18px;
  }

  .page-products .pf-tree__group summary {
    flex-wrap: wrap;
    gap: 6px;
  }

  .page-products .pf-tree__hint {
    margin-left: 0;
    width: 100%;
  }
}
<<<PAGE_CSS_END>>>