.page-products {
  --pp-line: rgba(90, 101, 112, 0.38);
  --pp-line-soft: rgba(90, 101, 112, 0.2);
  --pp-line-ink: rgba(10, 16, 23, 0.14);
  --pp-cut: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  overflow-x: hidden;
}

.page-products .surface-abyss {
  background: var(--c-deep);
  color: var(--c-spray);
}

.page-products .surface-bone {
  background: var(--c-bone);
  color: var(--c-ink);
}

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

/* ---------- 首屏 ---------- */

.page-products .products-hero {
  position: relative;
  padding-block: clamp(2rem, 5.5vw, 3.5rem) clamp(2.75rem, 7vw, 5rem);
  overflow: hidden;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: 12%;
  width: 2px;
  height: 160%;
  background: linear-gradient(180deg, transparent, var(--c-signal), transparent);
  transform: rotate(12deg);
  opacity: 0.34;
  pointer-events: none;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-tide), transparent);
  opacity: 0.55;
}

.page-products .products-hero .breadcrumbs {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-products .products-hero__title {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: var(--lh-tight);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.01em;
  margin: 0 0 1.15rem;
  max-width: 20ch;
  transform: skewX(-8deg);
  transform-origin: left bottom;
}

.page-products .products-hero__lede {
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  max-width: 34ch;
  color: var(--c-spray);
  opacity: 0.86;
  margin: 0;
}

.page-products .products-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.7rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .products-hero__quick-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.5rem 0.9rem;
  font-size: var(--fs-sm);
  color: var(--c-spray);
  text-decoration: none;
  border: 1px solid var(--pp-line);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .products-hero__quick-link .mono {
  font-size: var(--fs-xs);
  color: var(--c-tide);
}

.page-products .products-hero__quick-link:hover,
.page-products .products-hero__quick-link:focus-visible {
  border-color: var(--c-signal);
  color: var(--c-signal);
}

.page-products .products-hero__quick-link:hover .mono,
.page-products .products-hero__quick-link:focus-visible .mono {
  color: var(--c-signal);
}

.page-products .products-hero__annot {
  display: none;
}

/* ---------- 章节公共 ---------- */

.page-products .chapter__title {
  transform: skewX(-9deg);
  transform-origin: left center;
  font-weight: 900;
  font-style: italic;
  line-height: var(--lh-tight);
  margin: 0.35rem 0 0.85rem;
}

.page-products .chapter__lede {
  max-width: 34ch;
  line-height: var(--lh-body);
  margin: 0;
  opacity: 0.86;
}

.page-products .chapter {
  margin-bottom: clamp(1.75rem, 4.5vw, 3rem);
}

/* ---------- 01 入口选择 ---------- */

.page-products .products-pick {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(3rem, 8vw, 6rem);
}

.page-products .products-pick__layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-products .products-pick__figure {
  margin: 0;
  max-width: 420px;
}

.page-products .products-pick__cards {
  display: grid;
  gap: 1rem;
}

.page-products .entry-card {
  position: relative;
  isolation: isolate;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  background: var(--c-abyss);
  border: 1px solid var(--pp-line);
  clip-path: var(--pp-cut);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-products .entry-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: var(--c-signal);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.25s var(--ease);
}

.page-products .entry-card:hover,
.page-products .entry-card:focus-within {
  border-color: var(--c-signal);
  transform: translateY(-2px);
}

.page-products .entry-card:hover::before,
.page-products .entry-card:focus-within::before {
  transform: scaleY(1);
}

.page-products .entry-card--primary {
  border-top: 2px solid var(--c-signal);
}

.page-products .entry-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.page-products .entry-card__title {
  font-size: var(--fs-lg);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
}

.page-products .entry-card__pulse {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-neon);
  animation: pp-pulse 3s ease-in-out infinite;
}

@keyframes pp-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(155, 229, 100, 0.55); }
  50% { box-shadow: 0 0 0 7px rgba(155, 229, 100, 0); }
}

.page-products .entry-card__text {
  margin: 0 0 0.9rem;
  line-height: var(--lh-body);
  font-size: var(--fs-sm);
  color: var(--c-spray);
  opacity: 0.85;
}

.page-products .entry-card__facts {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-products .entry-card__facts li {
  position: relative;
  padding-left: 1.05rem;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--c-spray);
  opacity: 0.78;
}

.page-products .entry-card__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--c-clay);
}

.page-products .entry-card .btn {
  font-size: var(--fs-sm);
}

.page-products .products-pick__banner {
  margin: 0;
  border: 1px solid var(--pp-line-soft);
  clip-path: var(--pp-cut);
  overflow: hidden;
}

/* ---------- 02 栏目通道 ---------- */

.page-products .products-channel {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .channel-layers {
  display: grid;
  gap: 0.85rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .layer-card {
  position: relative;
  padding: 1.15rem 1.25rem 1.25rem;
  background: rgba(11, 34, 57, 0.05);
  border: 1px solid var(--pp-line-ink);
  border-left: 3px solid var(--c-clay);
  transition: background-color 0.2s var(--ease), border-left-color 0.2s var(--ease);
}

.page-products .layer-card:hover {
  background: rgba(11, 34, 57, 0.09);
  border-left-color: var(--c-signal);
}

.page-products .layer-card__num {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  color: var(--c-rock);
  margin-bottom: 0.5rem;
}

.page-products .layer-card__title {
  font-size: var(--fs-md);
  font-weight: 800;
  margin: 0 0 0.4rem;
  line-height: 1.3;
}

.page-products .layer-card__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: rgba(10, 16, 23, 0.74);
}

.page-products .filter-demo {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--c-deep);
  color: var(--c-spray);
  clip-path: var(--pp-cut);
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .filter-demo__title {
  font-size: var(--fs-md);
  font-weight: 800;
  margin: 0 0 1.1rem;
}

.page-products .filter-demo__steps {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .filter-demo__steps li {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  gap: 0.5rem;
  align-items: baseline;
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: rgba(242, 246, 248, 0.85);
}

.page-products .filter-demo__steps .mono {
  font-size: var(--fs-xs);
  color: var(--c-signal);
}

.page-products .round-scale {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.6rem;
  scrollbar-width: thin;
  scrollbar-color: var(--c-rock) transparent;
  margin-bottom: 1.25rem;
}

.page-products .round-scale::-webkit-scrollbar {
  height: 4px;
}

.page-products .round-scale::-webkit-scrollbar-thumb {
  background: var(--c-rock);
}

.page-products .round-chip {
  flex: 0 0 auto;
  min-width: 3.1rem;
  padding: 0.5rem 0.6rem;
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  text-align: center;
  color: var(--c-rock);
  border: 1px solid var(--pp-line);
  background: transparent;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-products .round-chip:hover,
.page-products .round-chip:focus-visible {
  color: var(--c-spray);
  border-color: var(--c-tide);
}

.page-products .round-chip.is-active {
  background: var(--c-signal);
  border-color: var(--c-signal);
  color: var(--c-ink);
  font-weight: 700;
}

.page-products .filter-demo__figure {
  margin: 0;
}

.page-products .filter-demo__figure img {
  border: 1px solid var(--pp-line);
  clip-path: var(--pp-cut);
}

.page-products .filter-demo__figure .media__caption {
  color: rgba(242, 246, 248, 0.6);
}

.page-products .fold-group {
  border-top: 1px solid var(--pp-line-ink);
}

.page-products .fold-group__title {
  font-size: var(--fs-md);
  font-weight: 800;
  margin: 0;
  padding: 1.25rem 0 0.75rem;
}

.page-products .fold-item {
  border-bottom: 1px solid var(--pp-line-ink);
}

.page-products .fold-item__summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 1rem 0.25rem 1rem 2.1rem;
  font-weight: 600;
  font-size: var(--fs-base);
  line-height: 1.5;
  transition: color 0.2s var(--ease);
}

.page-products .fold-item__summary::-webkit-details-marker {
  display: none;
}

.page-products .fold-item__summary::before {
  content: "+";
  position: absolute;
  left: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--c-clay);
}

.page-products .fold-item[open] .fold-item__summary::before {
  content: "−";
}

.page-products .fold-item__summary:hover,
.page-products .fold-item__summary:focus-visible {
  color: var(--c-clay);
}

.page-products .fold-item__body {
  margin: 0 0 1.1rem;
  padding-left: 2.1rem;
  max-width: 34ch;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: rgba(10, 16, 23, 0.74);
}

/* ---------- 03 版本能力 ---------- */

.page-products .products-versions {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pp-line);
  background: rgba(18, 58, 92, 0.5);
  clip-path: var(--pp-cut);
}

.page-products .ability-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.page-products .ability-table__caption {
  caption-side: bottom;
  text-align: left;
  padding: 0.85rem 1rem;
  font-size: var(--fs-xs);
  color: var(--c-rock);
}

.page-products .ability-table thead th {
  text-align: left;
  padding: 0.9rem 1rem 0.75rem;
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-tide);
  border-bottom: 1px solid var(--pp-line);
  white-space: nowrap;
}

.page-products .ability-table tbody th {
  text-align: left;
  padding: 1rem;
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--c-spray);
  border-bottom: 1px solid var(--pp-line-soft);
  vertical-align: top;
  white-space: nowrap;
}

.page-products .ability-table tbody td {
  padding: 1rem;
  border-bottom: 1px solid var(--pp-line-soft);
  vertical-align: top;
  line-height: 1.65;
  color: rgba(242, 246, 248, 0.82);
}

.page-products .ability-table tbody td.mono {
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  color: var(--c-clay);
  white-space: nowrap;
}

.page-products .ability-table tbody tr {
  transition: background-color 0.2s var(--ease);
}

.page-products .ability-table tbody tr:hover {
  background: rgba(255, 107, 44, 0.08);
}

.page-products .ability-table tbody tr:last-child th,
.page-products .ability-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .products-versions__stats {
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.page-products .stat {
  padding: 1rem 1.1rem;
  border: 1px solid var(--pp-line);
  clip-path: var(--pp-cut);
  border-bottom: 2px solid var(--c-signal);
}

.page-products .stat__value {
  display: block;
  font-family: var(--f-mono);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-signal);
}

.page-products .stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: var(--fs-xs);
  color: var(--c-rock);
}

/* ---------- 04 设备与网络 ---------- */

.page-products .products-specs {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .specs-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.page-products .spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.05rem 1.1rem;
  background: rgba(11, 34, 57, 0.06);
  border: 1px solid var(--pp-line-ink);
  border-radius: 2px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-products .spec-item:hover {
  border-color: var(--c-signal);
  background: rgba(255, 107, 44, 0.07);
}

.page-products .spec-item__value {
  font-family: var(--f-mono);
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-deep);
}

.page-products .spec-item__label {
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--c-clay);
}

.page-products .spec-item__note {
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: rgba(10, 16, 23, 0.62);
}

.page-products .specs-figure {
  margin: 0;
  border: 1px solid var(--pp-line-ink);
  clip-path: var(--pp-cut);
  overflow: hidden;
}

.page-products .specs-speed {
  margin: 0;
  border: 1px solid var(--pp-line-ink);
  clip-path: var(--pp-cut);
  overflow: hidden;
}

.page-products .media__caption {
  padding: 0.7rem 1rem;
  font-size: var(--fs-xs);
  line-height: 1.6;
  letter-spacing: 0.04em;
}

/* ---------- 05 安装与排错 ---------- */

.page-products .products-install {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .install-steps {
  list-style: none;
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem);
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .install-step {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--pp-line-soft);
  transition: border-top-color 0.2s var(--ease);
}

.page-products .install-step:last-child {
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .install-step:hover {
  border-top-color: var(--c-signal);
}

.page-products .install-step__num {
  font-size: clamp(1.35rem, 3.4vw, 1.85rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-clay);
}

.page-products .install-step__title {
  font-size: var(--fs-md);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 0.4rem;
}

.page-products .install-step__body p {
  margin: 0;
  max-width: 34ch;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: rgba(242, 246, 248, 0.78);
}

.page-products .troubleshoot {
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
  border: 1px solid var(--pp-line-soft);
  clip-path: var(--pp-cut);
  padding: 0.5rem 1.15rem;
}

.page-products .troubleshoot__title {
  font-size: var(--fs-base);
  font-weight: 800;
  margin: 0.75rem 0 0.25rem;
  color: var(--c-spray);
}

.page-products .troubleshoot__item {
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .troubleshoot__summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 0.95rem 0.25rem 0.95rem 1.85rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-spray);
  transition: color 0.2s var(--ease);
}

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

.page-products .troubleshoot__summary::before {
  content: "+";
  position: absolute;
  left: 0.3rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--c-signal);
}

.page-products .troubleshoot__item[open] .troubleshoot__summary::before {
  content: "−";
}

.page-products .troubleshoot__summary:hover,
.page-products .troubleshoot__summary:focus-visible {
  color: var(--c-signal);
}

.page-products .troubleshoot__body {
  margin: 0 0 1rem;
  padding-left: 1.85rem;
  max-width: 34ch;
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: rgba(242, 246, 248, 0.76);
}

.page-products .support-bar {
  display: grid;
  gap: 1.15rem;
  padding: clamp(1.25rem, 3vw, 1.85rem);
  background: var(--c-abyss);
  border: 1px solid var(--pp-line);
  border-left: 3px solid var(--c-signal);
  clip-path: var(--pp-cut);
}

.page-products .support-bar__title {
  margin: 0 0 0.35rem;
  font-size: var(--fs-md);
  font-weight: 800;
}

.page-products .support-bar__meta {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: rgba(242, 246, 248, 0.74);
}

.page-products .support-bar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-products .products-pick__cards {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  }

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

  .page-products .support-bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-products .products-hero__annot {
    display: block;
    position: absolute;
    top: 9.5rem;
    right: 2.5rem;
    writing-mode: vertical-rl;
    font-family: var(--f-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.34em;
    color: var(--c-tide);
    margin: 0;
  }

  .page-products .products-pick__layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
    align-items: start;
  }

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

  .page-products .specs-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .install-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-products .install-step {
    grid-template-columns: minmax(0, 1fr);
    border-top: 2px solid var(--c-clay);
    border-bottom: none;
    padding-top: 1rem;
  }

  .page-products .install-step:last-child {
    border-bottom: none;
  }

  .page-products .install-step__num {
    display: block;
    margin-bottom: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .entry-card__pulse {
    animation: none;
  }

  .page-products .entry-card,
  .page-products .entry-card::before,
  .page-products .round-chip,
  .page-products .layer-card,
  .page-products .spec-item {
    transition: none;
  }
}