.page-products {
  --pd-rail: 264px;
  color: var(--paper);
  padding-bottom: 72px;
  overflow-x: clip;
}

.page-products .pd-head {
  display: grid;
  gap: 28px;
  padding-block: 20px 48px;
}

.page-products .pd-head-main .eyebrow {
  margin: 0 0 14px;
  color: var(--neon);
}

.page-products .display-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pd-head-main .lede {
  max-width: 58ch;
  margin: 0 0 24px;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.78;
}

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

.page-products .pd-head-rail {
  border-top: 1px solid var(--edge);
  padding-top: 18px;
}

.page-products .pd-factlist {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-factlist li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .pd-factlist .mono-code {
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-products .pd-section {
  padding-block: 44px;
  border-top: 1px solid var(--edge);
}

.page-products .pd-section:first-of-type {
  border-top: 0;
}

.page-products .pd-sec-head {
  max-width: 70ch;
  margin-bottom: 26px;
}

.page-products .pd-sec-head .eyebrow {
  margin: 0 0 10px;
  color: var(--neon);
}

.page-products .pd-sec-head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .pd-sec-head p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

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

.page-products .pd-hero-media {
  --media-ratio: 16 / 9;
  margin-bottom: 26px;
}

.page-products .pd-act-media {
  --media-ratio: 16 / 9;
  margin-bottom: 26px;
}

.page-products .note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .note a {
  color: var(--neon);
}

/* ---------- 版本对照 ---------- */

.page-products .pd-versions {
  display: grid;
  gap: 10px;
}

.page-products .pd-ver {
  background: var(--ink-mid);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut-sm)) 0,
    100% var(--cut-sm),
    100% 100%,
    var(--cut-sm) 100%,
    0 calc(100% - var(--cut-sm))
  );
  transition: background 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-products .pd-ver[open] {
  background: var(--ink-soft);
  box-shadow: inset 0 0 0 1px var(--edge-strong);
}

.page-products .pd-ver-summary {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 26px;
  align-items: center;
  gap: 2px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-products .pd-ver-summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-ver-code {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--gold);
}

.page-products .pd-ver-title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .pd-ver-plat {
  grid-column: 2;
  grid-row: 2;
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

.page-products .pd-ver-toggle {
  grid-column: 3;
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--edge-strong);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
}

.page-products .pd-ver-toggle::before {
  content: "+";
}

.page-products .pd-ver[open] .pd-ver-toggle::before {
  content: "−";
}

.page-products .pd-ver-body {
  padding: 16px 18px 20px;
  border-top: 1px solid var(--edge);
}

.page-products .pd-ver-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 14px;
}

.page-products .pd-ver-grid h4 {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pd-ver-grid ul {
  margin: 0;
  padding-left: 16px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 下载三步 ---------- */

.page-products .pd-steps-wrap {
  position: relative;
  padding-top: 0;
}

.page-products .pd-steps-line {
  display: none;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-step {
  background: var(--ink-mid);
  padding: 20px 20px 18px;
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut-sm)) 0,
    100% var(--cut-sm),
    100% 100%,
    var(--cut-sm) 100%,
    0 calc(100% - var(--cut-sm))
  );
}

.page-products .pd-step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .pd-step h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
}

.page-products .pd-step p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-products .pd-step-check {
  margin: 0;
  padding-top: 11px;
  border-top: 1px solid var(--edge);
  font-size: 13px;
  color: var(--paper);
}

.page-products .pd-step-check span {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

/* ---------- 规则文档 ---------- */

.page-products .pd-rule-grid {
  display: grid;
  gap: 28px;
}

.page-products .pd-rule-grid h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .pd-rule-grid .eyebrow {
  margin: 0 0 10px;
  color: var(--neon);
}

.page-products .pd-rule-lead {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
}

.page-products .pd-rule-grid > div > p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-rule-grid > div > p a {
  color: var(--neon);
}

.page-products .pd-rule-key {
  margin-top: 22px;
  padding: 18px;
  background: var(--ink-mid);
  border-left: 2px solid var(--gold);
}

.page-products .pd-code-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .pd-copy {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--paper);
  background: rgba(55, 230, 212, 0.06);
  border: 1px solid var(--edge);
  border-radius: 0;
  padding: 5px 9px;
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-products .pd-copy::before {
  content: "R-";
  display: none;
}

.page-products .pd-copy--lg {
  display: inline-block;
  font-size: 22px;
  padding: 8px 14px;
  color: var(--gold);
  border-color: var(--gold-soft);
  letter-spacing: 0.04em;
}

.page-products .pd-copy:hover,
.page-products .pd-copy:focus-visible {
  color: var(--neon);
  border-color: var(--edge-strong);
  background: rgba(55, 230, 212, 0.1);
}

.page-products .pd-copy[data-copied] {
  color: var(--ink-abyss);
  background: var(--gold);
  border-color: var(--gold);
}

.page-products .pd-code-legend {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-code-legend > div {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--edge);
}

.page-products .pd-code-legend > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pd-code-legend dt {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
}

.page-products .pd-code-legend dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-products .pd-rule-figure {
  margin: 0;
}

.page-products .pd-rule-media {
  --media-ratio: 1 / 1;
  margin-bottom: 10px;
}

.page-products .pd-rule-figure .media-caption {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 房间索引 ---------- */

.page-products .pd-index {
  display: grid;
  gap: 24px;
}

.page-products .pd-index-media {
  --media-ratio: 3 / 2;
  margin-bottom: 16px;
}

.page-products .pd-index-rail .rail-label {
  margin: 0 0 10px;
}

.page-products .pd-idx-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.page-products .pd-idx-link {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--edge);
  border-left: 2px solid var(--teal-dim);
  background: var(--ink-mid);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .pd-idx-link .mono-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-products .pd-idx-link:hover,
.page-products .pd-idx-link:focus-visible {
  color: var(--neon);
  border-left-color: var(--neon);
}

.page-products .pd-chips {
  margin-bottom: 22px;
}

.page-products .pd-roomgroup {
  padding-top: 20px;
  border-top: 1px solid var(--edge);
  margin-bottom: 26px;
  scroll-margin-top: 96px;
}

.page-products .pd-roomgroup h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .pd-group-count {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pd-rooms {
  display: grid;
  gap: 10px;
}

.page-products .pd-room {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "coord name"
    "desc  desc"
    "copy  copy";
  align-items: center;
  gap: 6px 12px;
  padding: 14px 16px;
  background: var(--ink-mid);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut-sm)) 0,
    100% var(--cut-sm),
    100% 100%,
    var(--cut-sm) 100%,
    0 calc(100% - var(--cut-sm))
  );
  transition: box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.page-products .pd-room:hover {
  transform: translateY(-3px);
  box-shadow: inset 0 0 0 1px var(--edge-strong), var(--shadow-card);
}

.page-products .pd-room-coord {
  grid-area: coord;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-products .pd-room-name {
  grid-area: name;
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .pd-room-desc {
  grid-area: desc;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pd-room .pd-copy {
  grid-area: copy;
  justify-self: start;
}

/* ---------- 活动 ---------- */

.page-products .pd-act-grid {
  display: grid;
  gap: 12px;
}

.page-products .pd-act {
  padding: 18px;
  background: var(--ink-mid);
  box-shadow: inset 0 0 0 1px var(--edge);
  border-top: 2px solid var(--ember-dim);
}

.page-products .pd-act h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}

.page-products .pd-act-count {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-products .pd-act p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pd-act-note {
  margin-top: 16px;
}

/* ---------- 场景路线 ---------- */

.page-products .pd-routes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pd-route {
  padding: 22px 20px;
  background: linear-gradient(180deg, rgba(27, 49, 73, 0.55), rgba(18, 34, 54, 0.2));
  border-left: 2px solid var(--teal-dim);
}

.page-products .pd-route h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .pd-route-tag {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-products .pd-route > p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}

.page-products .pd-route-steps {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .pd-route-steps a {
  color: var(--neon);
}

.page-products .pd-tail {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--edge);
}

.page-products .pd-tail p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-tail a {
  color: var(--neon);
}

.page-products a:focus-visible,
.page-products button:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 媒体查询 ---------- */

@media (min-width: 620px) {
  .page-products .pd-act-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-products .pd-head {
    grid-template-columns: minmax(0, 1fr) var(--pd-rail);
    gap: 56px;
    align-items: start;
    padding-block: 36px 76px;
  }

  .page-products .pd-head-rail {
    border-top: 0;
    border-left: 1px solid var(--edge);
    padding-top: 0;
    padding-left: 22px;
  }

  .page-products .pd-ver-summary {
    grid-template-columns: 64px minmax(0, 1fr) 240px 26px;
    padding: 18px 22px;
  }

  .page-products .pd-ver-code {
    font-size: 22px;
  }

  .page-products .pd-ver-plat {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .page-products .pd-ver-toggle {
    grid-column: 4;
  }

  .page-products .pd-ver-body {
    padding: 18px 22px 22px;
  }

  .page-products .pd-ver-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pd-steps-wrap {
    padding-top: 54px;
  }

  .page-products .pd-steps-line {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 48px;
    color: rgba(55, 230, 212, 0.34);
    pointer-events: none;
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pd-rule-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pd-rule-figure {
    padding-top: 12px;
  }

  .page-products .pd-rooms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .pd-act-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-route {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 6px 36px;
    padding: 26px 26px;
  }

  .page-products .pd-route h3 {
    grid-column: 1;
    margin: 0;
    align-self: start;
  }

  .page-products .pd-route > p {
    grid-column: 1;
    margin: 0;
  }

  .page-products .pd-route-steps {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: start;
  }
}

@media (min-width: 1040px) {
  .page-products .pd-index {
    grid-template-columns: var(--pd-rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .pd-index-rail {
    position: sticky;
    top: 96px;
  }

  .page-products .pd-idx-nav ul {
    flex-direction: column;
    overflow-x: visible;
    gap: 6px;
  }

  .page-products .pd-idx-link {
    justify-content: space-between;
    width: 100%;
    padding: 9px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-room {
    transition: none;
  }

  .page-products .pd-room:hover {
    transform: none;
  }
}