.page-products {
  --pd-glass: rgba(233, 238, 241, .055);
  --pd-glass-brd: rgba(20, 160, 165, .3);
  --pd-lime-glow: rgba(182, 255, 60, .35);
  background:
    radial-gradient(1100px 620px at 88% -8%, rgba(255, 106, 26, .13), transparent 62%),
    radial-gradient(880px 520px at -8% 26%, rgba(11, 107, 119, .2), transparent 58%),
    var(--karst-ink);
  color: var(--mist-stone);
  overflow-x: hidden;
}

.page-products .eyebrow {
  color: var(--waterfall-teal);
}

.page-products .pd-head {
  margin-bottom: clamp(28px, 4vw, 48px);
  max-width: 70ch;
}

.page-products .pd-head__lede {
  margin-top: 14px;
  font-size: var(--step-1);
  line-height: 1.75;
  color: rgba(233, 238, 241, .78);
}

.page-products .media-frame {
  display: block;
  margin: 0;
  background: var(--slate-rock);
  overflow: hidden;
}

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

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(56px, 8vw, 104px);
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-products .pd-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-4);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--mist-stone);
  margin: 14px 0 22px;
  max-width: 20ch;
}

.page-products .pd-hero__lede {
  font-size: var(--step-1);
  line-height: 1.75;
  color: rgba(233, 238, 241, .8);
  max-width: 48ch;
  margin: 0 0 28px;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-products .pd-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  padding: 0;
  margin: 0;
}

.page-products .pd-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-right: 26px;
  border-right: 1px solid var(--fog-line);
}

.page-products .pd-hero__facts li:last-child {
  border-right: none;
  padding-right: 0;
}

.page-products .pd-hero__fact-num {
  font-size: var(--step-2);
  font-weight: 800;
  color: var(--turf-lime);
  line-height: 1;
}

.page-products .pd-hero__fact-label {
  font-size: var(--step--1);
  color: var(--dim);
}

.page-products .pd-hero__stage {
  position: relative;
  isolation: isolate;
}

.page-products .pd-hero__version {
  position: absolute;
  top: -0.16em;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(72px, 17vw, 168px);
  line-height: .82;
  letter-spacing: -.05em;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-products .pd-hero__version-row {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(233, 238, 241, .2);
}

.page-products .pd-hero__version-row--alt {
  color: rgba(255, 106, 26, .17);
  -webkit-text-stroke: 0;
}

.page-products .pd-hero__media {
  position: relative;
  z-index: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  border: 1px solid var(--pd-glass-brd);
  aspect-ratio: 4 / 5;
}

/* ---------- 01 版本一览 ---------- */
.page-products .pd-vers__grid {
  row-gap: var(--gap);
}

.page-products .pd-vers-card {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  border: 1px solid var(--fog-line);
  transition: transform .32s var(--ease), border-color .32s var(--ease);
}

.page-products .pd-vers-card--web {
  background: var(--pd-glass);
  backdrop-filter: blur(10px);
  border-color: rgba(59, 70, 80, .9);
}

.page-products .pd-vers-card--ios {
  background: var(--slate-rock);
  border-color: rgba(255, 106, 26, .4);
}

.page-products .pd-vers-card--ios::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(255, 106, 26, .1), transparent 55%);
  pointer-events: none;
}

.page-products .pd-vers-card:hover {
  transform: translateY(-4px);
  border-color: var(--pd-lime-glow);
}

.page-products .pd-vers-card__badge {
  display: inline-block;
  font-size: var(--step--1);
  letter-spacing: .08em;
  color: var(--waterfall-teal);
  padding: 4px 10px;
  border: 1px solid rgba(20, 160, 165, .45);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  margin-bottom: 16px;
}

.page-products .pd-vers-card--ios .pd-vers-card__badge {
  color: var(--pulse-orange);
  border-color: rgba(255, 106, 26, .5);
}

.page-products .pd-vers-card__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-2);
  line-height: 1.15;
  color: var(--mist-stone);
  letter-spacing: -.01em;
}

.page-products .pd-vers-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 12px;
}

.page-products .pd-vers-card__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--step-0);
  line-height: 1.65;
  color: rgba(233, 238, 241, .82);
}

.page-products .pd-vers-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 10px;
  height: 2px;
  background: var(--waterfall-teal);
}

.page-products .pd-vers-card--ios .pd-vers-card__list li::before {
  background: var(--turf-lime);
}

.page-products .pd-vers-card__foot {
  margin: 0;
  font-size: var(--step--1);
  color: var(--dim);
  letter-spacing: .02em;
}

/* ---------- 02 下载 ---------- */
.page-products .pd-dl__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .pd-dl__text {
  font-size: var(--step-1);
  line-height: 1.75;
  color: rgba(233, 238, 241, .8);
  max-width: 46ch;
  margin: 0 0 26px;
}

.page-products .pd-dl__spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-products .pd-dl__spec > div {
  padding: 14px 16px;
  background: var(--slate-rock);
  border-left: 3px solid var(--waterfall-teal);
}

.page-products .pd-dl__spec dt {
  font-size: var(--step--1);
  color: var(--dim);
  letter-spacing: .04em;
  margin-bottom: 6px;
}

.page-products .pd-dl__spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  font-weight: 600;
  color: var(--turf-lime);
}

.page-products .pd-steps {
  list-style: none;
  counter-reset: pds;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px 24px;
  background: var(--pd-glass);
  border: 1px solid var(--fog-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

.page-products .pd-steps__item:hover {
  border-color: var(--pd-lime-glow);
  background: rgba(20, 160, 165, .07);
}

.page-products .pd-steps__num {
  font-size: var(--step-2);
  font-weight: 800;
  line-height: 1;
  color: var(--pulse-orange);
}

.page-products .pd-steps__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  line-height: 1.3;
  color: var(--mist-stone);
}

.page-products .pd-steps__body p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.7;
  color: rgba(233, 238, 241, .76);
}

.page-products .pd-dl__notes {
  margin-top: clamp(24px, 3vw, 36px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-products .pd-dl__note {
  padding: 22px 24px;
  border-left: 3px solid var(--waterfall-teal);
}

.page-products .pd-dl__note h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  color: var(--mist-stone);
}

.page-products .pd-dl__note p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.7;
  color: rgba(233, 238, 241, .76);
}

/* ---------- 03 收藏入口 ---------- */
.page-products .pd-collect__grid {
  row-gap: var(--gap);
  align-items: start;
}

.page-products .pd-collect__media {
  width: 100%;
}

.page-products .pd-collect__media .media-frame {
  border: 1px solid var(--pd-glass-brd);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-products .pd-collect__text {
  font-size: var(--step-1);
  line-height: 1.75;
  color: rgba(233, 238, 241, .8);
  margin: 0 0 26px;
  max-width: 50ch;
}

.page-products .pd-slots {
  background: var(--slate-rock);
  border: 1px solid var(--fog-line);
  padding: 20px 22px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  margin-bottom: 26px;
}

.page-products .pd-slots__head {
  margin: 0 0 16px;
  font-size: var(--step--1);
  letter-spacing: .04em;
  color: var(--dim);
}

.page-products .pd-slots__count {
  font-size: var(--step-2);
  font-weight: 800;
  color: var(--turf-lime);
  margin-right: 4px;
}

.page-products .pd-slots__grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 6px;
}

.page-products .pd-slot {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  font-size: 10px;
  color: rgba(147, 162, 173, .7);
  border: 1px dashed var(--fog-line);
  transition: background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}

.page-products .pd-slot--on {
  background: rgba(182, 255, 60, .13);
  border: 1px solid var(--turf-lime);
  color: var(--turf-lime);
}

.page-products .pd-slot--on:hover {
  background: rgba(182, 255, 60, .26);
}

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

.page-products .pd-collect__rules li {
  padding-left: 20px;
  position: relative;
  font-size: var(--step-0);
  line-height: 1.7;
  color: rgba(233, 238, 241, .78);
}

.page-products .pd-collect__rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 8px;
  background: var(--turf-lime);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-products .pd-collect__rules strong {
  color: var(--mist-stone);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 04 轮次视图 ---------- */
.page-products .pd-heat__media {
  margin-bottom: clamp(24px, 3vw, 36px);
  border: 1px solid var(--pd-glass-brd);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-products .pd-heat__media img {
  aspect-ratio: 16 / 9;
}

.page-products .pd-heat__board {
  padding: clamp(20px, 3vw, 30px);
  color: var(--karst-ink);
}

.page-products .pd-heat__axis {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 10px;
}

.page-products .pd-heat__axis span {
  font-size: var(--step--1);
  color: rgba(20, 24, 28, .55);
  letter-spacing: .06em;
  text-align: center;
}

.page-products .pd-heat__cells {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
}

.page-products .pd-heat__cell {
  aspect-ratio: 1;
  transition: transform .24s var(--ease), outline-color .24s var(--ease);
  outline: 2px solid transparent;
  outline-offset: 1px;
}

.page-products .pd-heat__cell:hover {
  transform: scale(1.14);
  outline-color: var(--karst-ink);
  z-index: 2;
}

.page-products .pd-heat__cell--l1 { background: #0B6B77; }
.page-products .pd-heat__cell--l2 { background: #128892; }
.page-products .pd-heat__cell--l3 { background: #14A0A5; }
.page-products .pd-heat__cell--l4 { background: #E58A3B; }
.page-products .pd-heat__cell--l5 { background: var(--pulse-orange); }
.page-products .pd-heat__cell--loss { background: var(--heat-red); }

.page-products .pd-heat__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 18px 0 0;
  padding: 0;
  font-size: var(--step--1);
  color: rgba(20, 24, 28, .7);
}

.page-products .pd-heat__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-products .pd-heat__swatch {
  width: 14px;
  height: 14px;
  display: inline-block;
}

.page-products .pd-heat__swatch--low { background: #0B6B77; }
.page-products .pd-heat__swatch--mid { background: #14A0A5; }
.page-products .pd-heat__swatch--high { background: var(--pulse-orange); }
.page-products .pd-heat__swatch--loss { background: var(--heat-red); }

/* ---------- 05 内容中心 ---------- */
.page-products .pd-index__grid {
  row-gap: var(--gap);
  align-items: start;
}

.page-products .pd-index__text {
  font-size: var(--step-1);
  line-height: 1.75;
  color: rgba(233, 238, 241, .8);
  margin: 0 0 26px;
}

.page-products .pd-tri {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.page-products .pd-tri__item {
  position: relative;
  padding: 20px 22px 20px 76px;
  background: var(--slate-rock);
  border-left: 3px solid var(--waterfall-teal);
}

.page-products .pd-tri__item--l2 { border-left-color: var(--pulse-orange); }
.page-products .pd-tri__item--l3 { border-left-color: var(--turf-lime); }

.page-products .pd-tri__num {
  position: absolute;
  left: 20px;
  top: 20px;
  font-size: var(--step-1);
  font-weight: 800;
  color: var(--waterfall-teal);
  letter-spacing: .04em;
}

.page-products .pd-tri__item--l2 .pd-tri__num { color: var(--pulse-orange); }
.page-products .pd-tri__item--l3 .pd-tri__num { color: var(--turf-lime); }

.page-products .pd-tri__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  color: var(--mist-stone);
  letter-spacing: -.01em;
}

.page-products .pd-tri__item p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.65;
  color: rgba(233, 238, 241, .76);
}

.page-products .pd-index__cta {
  margin: 0;
}

.page-products .pd-index__media .media-frame {
  border: 1px solid var(--pd-glass-brd);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

/* ---------- 06 迭代 ---------- */
.page-products .pd-iter__band {
  position: relative;
  margin-bottom: clamp(32px, 5vw, 56px);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  border-top: 1px solid var(--pd-glass-brd);
  border-bottom: 1px solid var(--pd-glass-brd);
}

.page-products .pd-iter__band img {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 4;
  object-fit: cover;
}

.page-products .pd-iter__band-label {
  position: absolute;
  left: clamp(16px, 4vw, 40px);
  bottom: clamp(14px, 3vw, 26px);
  font-size: var(--step--1);
  letter-spacing: .22em;
  color: var(--turf-lime);
  text-transform: uppercase;
  background: rgba(20, 24, 28, .68);
  padding: 6px 12px;
  backdrop-filter: blur(6px);
}

.page-products .pd-iter__grid {
  row-gap: var(--gap);
  align-items: start;
}

.page-products .pd-iter__text {
  font-size: var(--step-1);
  line-height: 1.75;
  color: rgba(233, 238, 241, .8);
  margin: 0 0 24px;
}

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

.page-products .pd-iter__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}

.page-products .pd-iter__list-num {
  font-size: var(--step-0);
  font-weight: 800;
  color: var(--pulse-orange);
  letter-spacing: .08em;
  padding-top: 3px;
}

.page-products .pd-iter__list p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.7;
  color: rgba(233, 238, 241, .8);
}

.page-products .pd-iter__contact {
  padding: clamp(22px, 3vw, 32px);
  border-left: 3px solid var(--turf-lime);
}

.page-products .pd-iter__contact h3 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-2);
  color: var(--mist-stone);
  letter-spacing: -.01em;
}

.page-products .pd-iter__dl {
  margin: 0 0 18px;
  display: grid;
  gap: 16px;
}

.page-products .pd-iter__dl > div {
  display: grid;
  gap: 4px;
}

.page-products .pd-iter__dl dt {
  font-size: var(--step--1);
  letter-spacing: .08em;
  color: var(--dim);
  text-transform: uppercase;
}

.page-products .pd-iter__dl dd {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--mist-stone);
  word-break: break-word;
}

.page-products .pd-iter__note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--fog-line);
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 继续了解 ---------- */
.page-products .pd-next__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-products .pd-next__card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 18px;
  row-gap: 6px;
  padding: 22px 24px;
  background: var(--slate-rock);
  border: 1px solid var(--fog-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  text-decoration: none;
  color: inherit;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}

.page-products .pd-next__card:hover,
.page-products .pd-next__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--turf-lime);
  background: rgba(20, 160, 165, .1);
  outline: none;
}

.page-products .pd-next__num {
  grid-row: span 2;
  font-size: var(--step-2);
  font-weight: 800;
  color: var(--waterfall-teal);
  align-self: center;
}

.page-products .pd-next__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  color: var(--mist-stone);
  line-height: 1.25;
}

.page-products .pd-next__desc {
  font-size: var(--step--1);
  color: var(--dim);
  line-height: 1.6;
}

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

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

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

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

  .page-products .pd-tri__item {
    padding: 74px 22px 22px;
  }

  .page-products .pd-tri__num {
    top: 22px;
    left: 22px;
  }
}

@media (min-width: 1000px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(32px, 4vw, 72px);
  }

  .page-products .pd-hero__stage {
    min-height: 560px;
  }

  .page-products .pd-dl__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pd-collect__grid {
    align-items: center;
  }

  .page-products .pd-heat__legend {
    justify-content: flex-end;
  }
}

@media (min-width: 1240px) {
  .page-products .pd-hero__copy {
    padding-right: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-vers-card,
  .page-products .pd-steps__item,
  .page-products .pd-heat__cell,
  .page-products .pd-next__card {
    transition: none;
  }

  .page-products .pd-vers-card:hover,
  .page-products .pd-next__card:hover,
  .page-products .pd-heat__cell:hover {
    transform: none;
  }
}