.page-products {
  --pp-gap: clamp(2.5rem, 6vw, 4.5rem);
  --pp-radius: 14px;
  --pp-border: 1px solid var(--line);
}

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

.page-products .section--tight {
  padding-block: clamp(1.75rem, 4vw, 3rem);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  padding-top: calc(var(--header-h) + 1.5rem);
}

.page-products .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .crumbs-list li + li::before {
  content: "/";
  margin-right: 0.55rem;
  color: var(--line);
}

.page-products .crumbs-list a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-products .crumbs-list a:hover,
.page-products .crumbs-list a:focus-visible {
  color: var(--cyan);
}

.page-products .crumbs-current {
  color: var(--text);
}

/* ---------- 首屏导语 ---------- */
.page-products .dl-hero {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-products .dl-hero-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .dl-hero-main .display {
  margin: 0.85rem 0 0;
  max-width: 22ch;
}

.page-products .dl-hero-note {
  margin: 1.5rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--ember);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46ch;
}

.page-products .dl-aside-cap {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-products .dl-hero-aside {
  border-top: var(--pp-border);
  padding-top: 0.85rem;
}

.page-products .dl-index-item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.7rem 0;
  border-bottom: var(--pp-border);
  color: var(--text);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-products .dl-index-item:hover,
.page-products .dl-index-item:focus-visible {
  color: var(--cyan);
}

.page-products .dl-index-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ember);
  letter-spacing: 0.04em;
}

.page-products .dl-index-text {
  font-size: 0.92rem;
  line-height: 1.5;
}

/* ---------- 章节头 ---------- */
.page-products .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.9rem, 2.5vw, 2rem);
  align-items: start;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.75rem);
}

.page-products .sec-head .sec-num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ember);
}

.page-products .sec-head-body .h2 {
  margin: 0;
}

.page-products .sec-lead {
  margin: 0.9rem 0 0;
  max-width: 60ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 通用媒体块 ---------- */
.page-products .pp-media {
  margin: 0;
  border: var(--pp-border);
  border-radius: var(--pp-radius);
  overflow: hidden;
  background: var(--ink-800);
}

.page-products .pp-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-media figcaption {
  padding: 0.7rem 0.95rem 0.85rem;
  border-top: var(--pp-border);
  font-size: 0.76rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .pp-media--banner {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-products .pp-media--banner img {
  aspect-ratio: 14 / 9;
}

/* ---------- 通道对照表 ---------- */
.page-products .vtable-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.page-products .vtable-cap {
  caption-side: top;
  text-align: left;
  padding: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-products .vtable {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.page-products .vtable thead th {
  padding: 0.85rem 1rem;
  border-bottom: var(--pp-border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-align: left;
  white-space: nowrap;
}

.page-products .vtable tbody td {
  padding: 1.2rem 1rem;
  border-bottom: var(--pp-border);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
  vertical-align: top;
}

.page-products .vtable tbody tr:nth-child(even) {
  background: rgba(21, 39, 66, 0.4);
}

.page-products .vt-name {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.page-products .vt-sub {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .vt-mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-products .vtable tr.is-key td {
  background: rgba(233, 185, 73, 0.07);
}

.page-products .vtable tr.is-key td:first-child {
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-products .vtable tr.is-key .vt-name {
  color: var(--gold);
}

/* ---------- 最短路径 ---------- */
.page-products .path-grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

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

.page-products .path-item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.15rem 0;
  border-bottom: var(--pp-border);
}

.page-products .path-item:first-child {
  border-top: var(--pp-border);
}

.page-products .path-num {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 0.2rem;
}

.page-products .path-title {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

.page-products .path-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pp-media--side img {
  aspect-ratio: 12 / 7;
}

.page-products .path-map {
  margin-top: clamp(1.75rem, 4vw, 3rem);
  padding: clamp(1rem, 2.5vw, 1.75rem);
  border: var(--pp-border);
  border-radius: var(--pp-radius);
  background: linear-gradient(180deg, rgba(21, 39, 66, 0.55), rgba(6, 12, 24, 0.2));
}

.page-products .path-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .path-svg .pl-line {
  stroke: var(--line);
  stroke-width: 2;
  stroke-dasharray: 6 8;
}

.page-products .path-svg .pn {
  fill: var(--ink-900);
  stroke: var(--cyan);
  stroke-width: 2.5;
}

.page-products .path-svg .pn--last {
  fill: var(--cyan);
}

.page-products .path-svg text {
  fill: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

/* ---------- 三步进入 ---------- */
.page-products .steps-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .pp-media--square img {
  aspect-ratio: 1 / 1;
}

.page-products .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.9rem, 2.4vw, 1.75rem);
  padding: clamp(1.1rem, 2.6vw, 1.7rem) 0;
  border-bottom: var(--pp-border);
}

.page-products .step:first-child {
  border-top: var(--pp-border);
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cyan);
}

.page-products .step-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.02rem, 1.7vw, 1.26rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

.page-products .step-body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 58ch;
}

/* ---------- 版本更新 ---------- */
.page-products .pp-media--timeline {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-products .pp-media--timeline img {
  aspect-ratio: 2 / 1;
}

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

.page-products .upd-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.85rem, 2vw, 1.35rem);
  padding: 1.1rem 0;
  border-bottom: var(--pp-border);
}

.page-products .upd-item:first-child {
  border-top: var(--pp-border);
}

.page-products .upd-dot {
  width: 10px;
  height: 10px;
  margin-top: 0.5rem;
  border-radius: 50%;
  background: var(--ink-700);
  border: 2px solid var(--cyan);
}

.page-products .upd-item:first-child .upd-dot {
  background: var(--gold);
  border-color: var(--gold);
}

.page-products .upd-tag {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-products .upd-item:first-child .upd-tag {
  color: var(--gold);
}

.page-products .upd-text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text);
  max-width: 66ch;
}

/* ---------- 设备与网络要求 ---------- */
.page-products .req-layout {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-products .pp-media--req img {
  aspect-ratio: 3 / 2;
}

.page-products .req-grid {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-products .req-col {
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  border: var(--pp-border);
  border-radius: var(--pp-radius);
  background: var(--ink-800);
}

.page-products .req-name {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

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

.page-products .req-row {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: 0.8rem;
  padding: 0.68rem 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.9rem;
}

.page-products .req-row:last-child {
  border-bottom: 0;
}

.page-products .req-k {
  color: var(--muted);
}

.page-products .req-v {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ---------- 常见问题 ---------- */
.page-products .acc {
  border-top: var(--pp-border);
}

.page-products .acc-trigger {
  width: 100%;
  text-align: left;
}

.page-products .faq-more {
  margin: 1.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .faq-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

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

/* ---------- 收尾 ---------- */
.page-products .next-inner {
  padding: clamp(1.4rem, 3.4vw, 2.25rem);
  border: var(--pp-border);
  border-left: 4px solid var(--ember);
  border-radius: var(--pp-radius);
  background: var(--ink-800);
}

.page-products .next-cap {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--ember);
}

.page-products .next-inner .h3 {
  margin: 0;
}

.page-products .next-text {
  margin: 0.9rem 0 0;
  max-width: 64ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .req-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .path-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .steps-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .req-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-products .req-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

@media (max-width: 760px) {
  .page-products .vtable {
    min-width: 0;
  }

  .page-products .vtable thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .page-products .vtable,
  .page-products .vtable tbody,
  .page-products .vtable tr,
  .page-products .vtable td {
    display: block;
    width: 100%;
  }

  .page-products .vtable tbody tr {
    margin-bottom: 1rem;
    padding: 0.35rem 0;
    border: var(--pp-border);
    border-radius: var(--pp-radius);
    background: var(--ink-800);
  }

  .page-products .vtable tbody tr:nth-child(even) {
    background: var(--ink-800);
  }

  .page-products .vtable tbody td {
    display: grid;
    grid-template-columns: 4.6rem minmax(0, 1fr);
    gap: 0.8rem;
    padding: 0.55rem 1rem;
    border-bottom: 0;
  }

  .page-products .vtable tbody td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: var(--muted);
    padding-top: 0.2rem;
  }

  .page-products .vtable tr.is-key {
    border-color: rgba(233, 185, 73, 0.5);
  }

  .page-products .vtable tr.is-key td:first-child {
    box-shadow: none;
  }

  .page-products .vtable tr.is-key td {
    background: transparent;
  }

  .page-products .path-svg text {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .crumbs-list a,
  .page-products .dl-index-item,
  .page-products .faq-more a {
    transition: none;
  }
}