.page-products {
  --pr-accent: var(--green);
  --pr-panel-bg: rgba(23, 16, 41, 0.74);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5.5vw, 56px) 0 clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--edge);
}

.page-products .pr-hero__media {
  position: absolute;
  inset: -4%;
  z-index: -1;
}

.page-products .pr-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-products .pr-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(198, 75, 255, 0.28), transparent 62%),
    radial-gradient(90% 70% at 92% 18%, rgba(43, 231, 245, 0.16), transparent 58%),
    linear-gradient(152deg, rgba(11, 6, 22, 0.4) 0%, rgba(11, 6, 22, 0.86) 56%, var(--ink) 100%);
}

.page-products .pr-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -40%;
  width: 46%;
  height: 190%;
  transform: skewX(-6deg);
  background: repeating-linear-gradient(120deg, rgba(76, 255, 176, 0.13) 0 2px, transparent 2px 14px);
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 42%, transparent 92%);
  mask-image: linear-gradient(180deg, transparent, #000 42%, transparent 92%);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(16px, 4vw, 38px);
  background: var(--ink);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
  z-index: 2;
}

.page-products .pr-hero__inner {
  position: relative;
  z-index: 3;
}

.page-products .pr-hero .arc-h1 {
  margin: 12px 0 0;
  max-width: 17ch;
  font-size: clamp(31px, 7.6vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.012em;
}

.page-products .pr-hero .arc-lead {
  margin: 16px 0 0;
  max-width: 54ch;
  color: var(--mute);
}

.page-products .pr-hero__stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-products .pr-stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 14px;
  min-width: 0;
  background: var(--pr-panel-bg);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut-sm);
}

.page-products .pr-stat__k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute-dim);
}

.page-products .pr-stat__v {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

/* ---------- 通用区块 ---------- */
.page-products .pr-sec__head {
  max-width: 60ch;
}

.page-products .pr-sec__head .arc-h2,
.page-products .pr-curve .arc-h2,
.page-products .pr-duration .arc-h2,
.page-products .pr-rooms .arc-h2,
.page-products .pr-mobile .arc-h2,
.page-products .pr-next .arc-h2 {
  margin: 10px 0 0;
}

.page-products .pr-sec__note,
.page-products .pr-rooms__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mute);
  max-width: 62ch;
}

.page-products .pr-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut);
}

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

.page-products .pr-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(242, 244, 255, 0.05) 0 1px, transparent 1px 3px);
}

/* ---------- 关卡卡片墙 ---------- */
.page-products .pr-wall {
  padding-block: clamp(34px, 6.5vw, 68px) clamp(24px, 5vw, 46px);
}

.page-products .pr-chapter {
  margin-top: 10px;
  border-top: 1px solid var(--edge);
}

.page-products .pr-chapter:last-of-type {
  border-bottom: 1px solid var(--edge);
}

.page-products .pr-chapter__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 18px 4px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pr-chapter__sum:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: -3px;
}

.page-products .pr-chapter__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mute-dim);
}

.page-products .pr-chapter[open] .pr-chapter__sum::after {
  content: "\2013";
  color: var(--green);
}

.page-products .pr-chapter__idx {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mango);
}

.page-products .pr-chapter__name {
  font-size: clamp(19px, 4.2vw, 25px);
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .pr-chapter__range,
.page-products .pr-chapter__avg {
  font-size: 14px;
  letter-spacing: 0.02em;
}

.page-products .pr-chapter__range {
  color: var(--mute);
}

.page-products .pr-chapter__avg {
  color: var(--mango);
}

.page-products .pr-chapter__bar {
  flex: 1 1 100%;
  height: 2px;
  margin-top: 6px;
  background: var(--edge);
}

.page-products .pr-chapter__bar i {
  display: block;
  height: 100%;
  background: var(--green);
}

.page-products .pr-cards {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 10px;
}

.page-products .pr-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  padding: 11px 12px 10px;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut-sm);
  transition: background 0.22s ease, box-shadow 0.22s ease;
}

.page-products .pr-card:hover {
  background: var(--ink-3);
  box-shadow: inset 0 0 0 1px var(--green);
}

.page-products .pr-card:focus-visible {
  outline: none;
  background: var(--ink-3);
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.page-products .pr-card__no {
  font-size: clamp(28px, 7vw, 39px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--paper);
  transition: color 0.22s ease;
}

.page-products .pr-card:hover .pr-card__no,
.page-products .pr-card:focus-visible .pr-card__no {
  color: var(--green);
}

.page-products .pr-card__ch {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mute-dim);
}

.page-products .pr-card__t {
  font-size: clamp(15px, 3.4vw, 20px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--mango);
}

.page-products .pr-card__extra {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mute-dim);
  transition: max-height 0.2s ease, opacity 0.2s ease;
}

.page-products .pr-card:hover .pr-card__extra,
.page-products .pr-card:focus-visible .pr-card__extra {
  max-height: 20px;
  opacity: 1;
}

/* ---------- 难度曲线 ---------- */
.page-products .pr-curve {
  padding-block: clamp(34px, 6.5vw, 74px);
  border-top: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(23, 16, 41, 0.6), transparent 72%);
}

.page-products .pr-curve__grid,
.page-products .pr-mobile__grid,
.page-products .pr-duration__grid {
  align-items: start;
  gap: 22px;
}

.page-products .pr-curve__lead,
.page-products .pr-duration__lead,
.page-products .pr-mobile__lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}

.page-products .pr-chart {
  margin: 26px 0 0;
  padding: 16px 12px 10px;
  background: var(--pr-panel-bg);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut);
}

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

.page-products .pr-svg__grid line {
  stroke: var(--edge);
  stroke-width: 1;
}

.page-products .pr-svg__area {
  fill: rgba(43, 231, 245, 0.1);
}

.page-products .pr-svg__line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linejoin: round;
}

.page-products .pr-svg__node rect {
  fill: var(--green);
}

.page-products .pr-svg text {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--mute-dim);
}

.page-products .pr-svg__mlab text {
  fill: var(--mango);
}

.page-products .pr-chart__cap {
  margin: 8px 4px 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute-dim);
}

.page-products .pr-ladder {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-products .pr-ladder li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut-xs);
}

.page-products .pr-ladder__r {
  font-size: 13px;
  color: var(--cyan);
}

.page-products .pr-ladder__n {
  font-size: 13px;
  color: var(--paper);
}

/* ---------- 时长口径 ---------- */
.page-products .pr-duration {
  padding-block: clamp(34px, 6.5vw, 74px);
  border-top: 1px solid var(--edge);
}

.page-products .pr-notes {
  list-style: none;
  counter-reset: prnote;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-notes li {
  counter-increment: prnote;
  position: relative;
  padding: 13px 14px 13px 48px;
  background: var(--pr-panel-bg);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut-sm);
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
}

.page-products .pr-notes li::before {
  content: counter(prnote, decimal-leading-zero);
  position: absolute;
  left: 15px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mango);
}

/* ---------- 房间分类 ---------- */
.page-products .pr-rooms {
  padding-block: clamp(34px, 6.5vw, 78px);
  border-top: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(23, 16, 41, 0.5), transparent 70%);
}

.page-products .pr-rooms__banner {
  margin: 26px 0 0;
}

.page-products .pr-dims {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .pr-dim {
  --pr-dim-accent: var(--green);
  position: relative;
  padding: 22px 18px 18px;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut);
}

.page-products .pr-dim::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 2px;
  width: 44px;
  height: 3px;
  background: var(--pr-dim-accent);
}

.page-products .pr-dim--play {
  --pr-dim-accent: var(--green);
}

.page-products .pr-dim--time {
  --pr-dim-accent: var(--mango);
}

.page-products .pr-dim--people {
  --pr-dim-accent: var(--cyan);
}

.page-products .pr-dim__title {
  margin: 0;
  font-size: clamp(19px, 4vw, 25px);
  font-weight: 900;
  color: var(--paper);
}

.page-products .pr-dim__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mute);
}

.page-products .pr-dim__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge);
  clip-path: var(--cut-xs);
}

.page-products .pr-dim__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 13px;
  background: var(--ink-3);
  font-size: 14px;
  color: var(--paper);
}

.page-products .pr-dim__code {
  font-weight: 700;
  font-size: 15px;
  color: var(--pr-dim-accent);
}

.page-products .pr-prefix {
  margin-top: 16px;
  padding: 22px 18px;
  background:
    linear-gradient(118deg, rgba(76, 255, 176, 0.14), rgba(43, 231, 245, 0.09) 44%, rgba(198, 75, 255, 0.16));
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut);
}

.page-products .pr-prefix__k {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.page-products .pr-prefix__v {
  margin: 10px 0 0;
  font-size: clamp(28px, 7vw, 39px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-products .pr-prefix__n {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
  max-width: 58ch;
}

/* ---------- 移动端 ---------- */
.page-products .pr-mobile {
  padding-block: clamp(34px, 6.5vw, 78px);
  border-top: 1px solid var(--edge);
}

.page-products .pr-touch {
  list-style: none;
  counter-reset: prtouch;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pr-touch li {
  counter-increment: prtouch;
  position: relative;
  padding-left: 40px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-products .pr-touch li::before {
  content: counter(prtouch, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .pr-touch__k {
  display: inline-block;
  margin-right: 10px;
  font-weight: 700;
  color: var(--green);
}

.page-products .pr-mobile__note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-products .pr-mobile__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 231, 245, 0.5);
}

.page-products .pr-mobile__note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 后续入口 ---------- */
.page-products .pr-next {
  padding-block: clamp(34px, 6vw, 66px) clamp(48px, 8vw, 94px);
  border-top: 1px solid var(--edge);
}

.page-products .pr-next__grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-products .pr-next__item {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 16px 15px;
  text-decoration: none;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--edge);
  clip-path: var(--cut-sm);
  transition: background 0.22s ease, box-shadow 0.22s ease;
}

.page-products .pr-next__item:hover {
  background: var(--ink-3);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-products .pr-next__item:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: -3px;
}

.page-products .pr-next__k {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pr-next__d {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mute-dim);
}

/* ---------- 响应式 ---------- */
@media (max-width: 899px) {
  .page-products .arc-col-5,
  .page-products .arc-col-7 {
    grid-column: 1 / -1;
  }
}

@media (min-width: 640px) {
  .page-products .pr-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .pr-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 940px;
  }

  .page-products .pr-stat__v {
    font-size: 17px;
  }

  .page-products .pr-cards {
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
    gap: 12px;
  }
}

@media (min-width: 760px) {
  .page-products .pr-dims {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1000px) {
  .page-products .pr-curve__grid,
  .page-products .pr-mobile__grid,
  .page-products .pr-duration__grid {
    gap: 32px;
  }

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

  .page-products .pr-cards {
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  }
}

@media (hover: none) {
  .page-products .pr-card__extra {
    max-height: 20px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-card,
  .page-products .pr-card__no,
  .page-products .pr-card__extra,
  .page-products .pr-next__item {
    transition: none;
  }
}