.page-products {
  --pd-paper-line: rgba(27, 26, 23, 0.12);
  --pd-gold-glow: rgba(232, 181, 74, 0.14);
  display: block;
  background: var(--ink);
  color: var(--text-on-ink);
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  position: relative;
  padding: 26px 0 54px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 84% 8%, rgba(111, 227, 255, 0.10), transparent 58%),
    radial-gradient(90% 80% at 8% 92%, rgba(232, 181, 74, 0.16), transparent 62%),
    linear-gradient(166deg, var(--ink-deep) 0%, var(--ink) 48%, var(--ink-layer) 100%);
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image: repeating-linear-gradient(
    114deg,
    rgba(201, 210, 220, 0.055) 0 1px,
    transparent 1px 10px
  );
}

.page-products .pd-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-products .pd-hero__inner {
  margin-top: 18px;
  padding: 26px 20px 28px;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-organic);
  background: linear-gradient(180deg, rgba(14, 44, 74, 0.62), rgba(7, 26, 47, 0.24));
  box-shadow: var(--shadow-deep);
}

.page-products .pd-hero h1 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.4vw, 50px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--text-on-ink);
  text-shadow: 0 0 18px rgba(232, 181, 74, 0.26);
}

.page-products .pd-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-mute);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pd-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-hair);
  font-size: 14px;
  color: var(--text-mute);
}

.page-products .pd-hero__facts .mono {
  margin-right: 5px;
  font-size: 17px;
  color: var(--gold-light);
}

/* ---------- 段落跳转 ---------- */

.page-products .pd-jump {
  position: sticky;
  top: 0;
  z-index: 24;
  background: linear-gradient(180deg, var(--ink-deep), rgba(5, 18, 31, 0.94));
  border-bottom: 1px solid var(--line-hair);
}

.page-products .pd-jump__row {
  display: flex;
  gap: 4px;
  padding: 9px 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pd-jump__row::-webkit-scrollbar {
  display: none;
}

.page-products .pd-jump a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text-mute);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pd-jump a:hover,
.page-products .pd-jump a:focus-visible {
  color: var(--gold-light);
  border-color: var(--line-gold);
}

.page-products .pd-jump a .mono {
  color: var(--jade);
  font-size: 12px;
}

/* ---------- 章节标题 ---------- */

.page-products .pd-head {
  max-width: 660px;
}

.page-products .pd-head h2 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.26;
  color: var(--text-on-ink);
}

.page-products .pd-head p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-mute);
}

.page-products .section--paper .pd-head h2 {
  color: var(--soot);
}

.page-products .section--paper .pd-head p {
  color: rgba(27, 26, 23, 0.72);
}

.page-products .section--paper .pd-head .eyebrow {
  color: rgba(27, 26, 23, 0.52);
}

/* ---------- 图片框 ---------- */

.page-products .pd-fig {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-gold);
  border-radius: 20px 6px 20px 8px;
  background: repeating-linear-gradient(
    135deg,
    rgba(232, 181, 74, 0.08) 0 8px,
    transparent 8px 18px
  );
}

.page-products .pd-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 三条索引轴 ---------- */

.page-products .pd-axis__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 32px;
}

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

.page-products .pd-axis__item {
  position: relative;
  padding: 20px 0 22px 18px;
  border-left: 2px solid rgba(232, 181, 74, 0.42);
}

.page-products .pd-axis__item + .pd-axis__item {
  margin-top: 4px;
}

.page-products .pd-axis__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
}

.page-products .pd-axis__code {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-products .pd-axis__item h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: var(--text-on-ink);
}

.page-products .pd-axis__item p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--text-mute);
}

.page-products .pd-axis__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px dashed rgba(47, 191, 160, 0.55);
  padding-bottom: 2px;
}

.page-products .pd-axis__link:hover,
.page-products .pd-axis__link:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--line-gold);
}

/* ---------- 六类房间 ---------- */

.page-products .pd-rooms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 30px;
}

.page-products .pd-room {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--line-hair);
  border-radius: 22px 7px 20px 10px;
  background:
    linear-gradient(168deg, rgba(14, 44, 74, 0.94), rgba(7, 26, 47, 0.88));
  box-shadow: var(--shadow-deep);
  transition: border-color 220ms var(--ease), transform 260ms var(--ease);
}

.page-products .pd-room:hover {
  border-color: var(--line-gold);
  transform: translateY(-3px);
}

.page-products .pd-gauge {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}

.page-products .pd-gauge i {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(201, 210, 220, 0.16);
}

.page-products .pd-gauge i.on {
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  box-shadow: 0 0 10px rgba(232, 181, 74, 0.34);
}

.page-products .pd-room__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-products .pd-room h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--gold-light);
}

.page-products .pd-room__tagline {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-mute);
}

.page-products .pd-room__facts {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-hair);
}

.page-products .pd-room__facts > div {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  padding: 5px 0;
}

.page-products .pd-room__facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--silver);
  opacity: 0.72;
}

.page-products .pd-room__facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-on-ink);
}

.page-products .pd-room__facts dd.is-jade {
  color: var(--jade);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.03em;
}

/* ---------- 换桌位 ---------- */

.page-products .pd-switch {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 34px;
}

.page-products .pd-switch__block + .pd-switch__block {
  margin-top: 26px;
}

.page-products .pd-switch__block h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--soot);
}

.page-products .pd-switch__block h3::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--gold);
}

.page-products .pd-switch__block p {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.88;
  color: rgba(27, 26, 23, 0.78);
}

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

.page-products .pd-switch__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--pd-paper-line);
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(27, 26, 23, 0.82);
}

.page-products .pd-switch__list .mono {
  color: var(--coral);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding-top: 4px;
}

.page-products .pd-switch__note {
  margin: 30px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(27, 26, 23, 0.62);
}

.page-products .pd-switch__note a {
  color: var(--soot);
  text-decoration: underline;
  text-decoration-color: rgba(232, 181, 74, 0.7);
  text-underline-offset: 3px;
}

/* ---------- 关数阶梯 ---------- */

.page-products .stair-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
}

.page-products .stair-nav__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  text-align: left;
  border: 1px solid var(--line-hair);
  border-radius: 18px 6px 18px 8px;
  background: linear-gradient(170deg, rgba(14, 44, 74, 0.9), rgba(7, 26, 47, 0.8));
  color: var(--text-on-ink);
  cursor: pointer;
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-products .stair-nav__item:hover {
  border-color: var(--line-gold);
}

.page-products .stair-nav__item[aria-pressed="true"] {
  border-color: var(--jade);
  background: linear-gradient(170deg, rgba(47, 191, 160, 0.2), rgba(7, 26, 47, 0.86));
}

.page-products .pd-stair__no {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-products .pd-stair__range {
  font-size: 19px;
  color: var(--gold-light);
  letter-spacing: 0.03em;
}

.page-products .pd-stair__label {
  font-size: 13.5px;
  color: var(--text-mute);
}

.page-products .pd-stair__fig {
  margin-top: 26px;
}

.page-products .pd-stair__panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

.page-products .pd-stair__panel {
  padding: 20px 18px;
  border: 1px dashed var(--line-hair);
  border-radius: 18px 6px 18px 8px;
  background: rgba(14, 44, 74, 0.42);
}

.page-products .pd-stair__panel-no {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--jade);
}

.page-products .pd-stair__panel h3 {
  margin: 9px 0 14px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--text-on-ink);
}

.page-products .pd-stair__panel dl {
  margin: 0;
}

.page-products .pd-stair__panel dl > div + div {
  margin-top: 12px;
}

.page-products .pd-stair__panel dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 4px;
}

.page-products .pd-stair__panel dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-mute);
}

/* ---------- 牌型判定卡片 ---------- */

.page-products .pd-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 30px;
}

.page-products .pd-card {
  perspective: 1400px;
  min-height: 268px;
}

.page-products .pd-card__label {
  position: relative;
  display: block;
  min-height: 268px;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 560ms var(--ease);
}

.page-products .pd-card__input:checked + .pd-card__label {
  transform: rotateY(180deg);
}

.page-products .pd-card__input:focus-visible + .pd-card__label {
  outline: 2px solid var(--neon);
  outline-offset: 5px;
  border-radius: 18px;
}

.page-products .pd-card__inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

.page-products .pd-card__face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px 16px;
  border-radius: 18px 6px 18px 8px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.page-products .pd-card__face--front {
  background: var(--paper);
  border: 1px solid rgba(27, 26, 23, 0.14);
}

.page-products .pd-card__face--front .pd-card__no {
  color: rgba(27, 26, 23, 0.5);
}

.page-products .pd-card__face--front .pd-card__title {
  color: var(--soot);
}

.page-products .pd-card__face--front .pd-card__desc {
  color: rgba(27, 26, 23, 0.72);
}

.page-products .pd-card__face--front .pd-card__hint {
  color: var(--coral);
}

.page-products .pd-card__face--back {
  transform: rotateY(180deg);
  background: linear-gradient(168deg, var(--ink-layer), var(--ink));
  border: 1px solid var(--line-gold);
}

.page-products .pd-card__face--back .pd-card__no {
  color: var(--jade);
}

.page-products .pd-card__face--back .pd-card__title {
  color: var(--gold-light);
}

.page-products .pd-card__face--back .pd-card__desc {
  color: var(--text-on-ink);
}

.page-products .pd-card__no {
  font-size: 11.5px;
  letter-spacing: 0.14em;
}

.page-products .pd-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}

.page-products .pd-card__desc {
  font-size: 14.5px;
  line-height: 1.76;
}

.page-products .pd-card__hint {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-products .pd-hands__fig {
  margin-top: 30px;
}

.page-products .pd-hands__note {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-mute);
}

.page-products .pd-hands__note a {
  color: var(--gold-light);
  text-decoration: underline;
  text-decoration-color: rgba(232, 181, 74, 0.5);
  text-underline-offset: 3px;
}

/* ---------- 机型版本对照表 ---------- */

.page-products .pd-versions__fig {
  margin: 30px 0 0;
}

.page-products .pd-versions {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--pd-paper-line);
  border-radius: 20px 6px 20px 8px;
  background: rgba(27, 26, 23, 0.028);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-versions table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.page-products .pd-versions th,
.page-products .pd-versions td {
  text-align: left;
  vertical-align: top;
  padding: 13px 14px;
  border-bottom: 1px solid var(--pd-paper-line);
}

.page-products .pd-versions thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(27, 26, 23, 0.55);
  white-space: nowrap;
}

.page-products .pd-versions tbody th {
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .pd-versions tbody td {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(27, 26, 23, 0.82);
}

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

.page-products .pd-versions tbody tr:hover th,
.page-products .pd-versions tbody tr:hover td {
  background: var(--ink-layer);
  color: var(--text-on-ink);
}

.page-products .pd-versions tbody tr:hover th {
  color: var(--gold-light);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-products .pd-versions__note {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(27, 26, 23, 0.62);
}

.page-products .pd-versions__note a {
  color: var(--soot);
  text-decoration: underline;
  text-decoration-color: rgba(232, 181, 74, 0.7);
  text-underline-offset: 3px;
}

/* ---------- 重连时间轴 ---------- */

.page-products .pd-timeline {
  position: relative;
  margin: 32px 0 0;
  padding: 0 0 0 4px;
  list-style: none;
}

.page-products .pd-timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(47, 191, 160, 0.55));
}

.page-products .pd-timeline__item {
  position: relative;
  padding: 0 0 28px 40px;
}

.page-products .pd-timeline__item:last-child {
  padding-bottom: 4px;
}

.page-products .pd-timeline__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 4px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 5px var(--pd-gold-glow);
}

.page-products .pd-timeline__code {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-products .pd-timeline__item h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-on-ink);
}

.page-products .pd-timeline__item p {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.84;
  color: var(--text-mute);
}

.page-products .pd-records__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
  padding: 20px 18px;
  border: 1px dashed var(--line-gold);
  border-radius: 20px 6px 20px 8px;
  background: linear-gradient(140deg, rgba(255, 122, 69, 0.10), rgba(14, 44, 74, 0.55));
}

.page-products .pd-records__cta p {
  margin: 0;
  flex: 1 1 260px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-on-ink);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-products .pd-hero__inner {
    padding: 34px 30px 36px;
  }

  .page-products .pd-rooms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .stair-nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .pd-stair__panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pd-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero {
    padding: 34px 0 68px;
  }

  .page-products .pd-axis__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .pd-axis__fig {
    position: sticky;
    top: 74px;
  }

  .page-products .pd-switch {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pd-switch__fig {
    position: sticky;
    top: 74px;
  }
}

@media (min-width: 1060px) {
  .page-products .pd-rooms {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pd-room:nth-child(3n + 2) {
    margin-top: 26px;
  }

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

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

  .page-products .pd-switch__block p {
    font-size: 16.5px;
  }
}

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

  .page-products .pd-card__label {
    transition-duration: 120ms;
  }
}