.page-products {
  --pp-cut: 12px;
  --pp-cut-lg: 20px;
  display: block;
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-products .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-products .breadcrumbs__list li + li::before {
  content: "／";
  margin-right: 6px;
  color: var(--graphite);
}

.page-products .breadcrumbs__list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

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

.page-products .breadcrumbs__list [aria-current="page"] {
  color: var(--fog);
}

/* ---------- 首屏 ---------- */
.page-products .prod-intro {
  padding-top: clamp(40px, 8vw, 88px);
}

.page-products .prod-intro__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fog);
  max-width: 16em;
}

.page-products .prod-intro__lead {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 40em;
  color: var(--fog);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  opacity: .86;
}

.page-products .prod-intro__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 5vw, 48px) 0 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  clip-path: polygon(var(--pp-cut) 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%, 0 var(--pp-cut));
}

.page-products .prod-stat {
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
  min-width: 0;
  padding: clamp(16px, 2.6vw, 24px) clamp(14px, 2.4vw, 22px);
  background: var(--deep);
}

.page-products .prod-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-stat__label {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--muted);
}

/* ---------- 通览展区 ---------- */
.page-products .prod-overview__lead,
.page-products .prod-tiers__lead,
.page-products .prod-switch__lead,
.page-products .prod-scenes__lead,
.page-products .prod-updates__lead {
  margin: 14px 0 0;
  max-width: 42em;
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.page-products .prod-overview__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .prod-index {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .prod-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: clamp(16px, 2.4vw, 22px) clamp(14px, 2.4vw, 22px);
  background: var(--deep);
  border-left: 2px solid transparent;
  transition: background .18s ease, border-color .18s ease;
}

.page-products .prod-index__item:hover {
  background: var(--deep-2);
  border-left-color: var(--cyan);
}

.page-products .prod-index__no {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-products .prod-index__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-products .prod-index__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-overview__figure {
  aspect-ratio: 14 / 9;
  margin: 0;
}

/* ---------- 升级版适配清单 ---------- */
.page-products .prod-tiers__figure {
  aspect-ratio: 12 / 7;
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-products .prod-tiers__grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-products .tier-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--deep);
  border: 1px solid var(--line);
  clip-path: polygon(var(--pp-cut) 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%, 0 var(--pp-cut));
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.page-products .tier-card::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 46%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  opacity: .7;
}

.page-products .tier-card:hover,
.page-products .tier-card:focus-visible,
.page-products .tier-card:focus-within {
  background: var(--deep-2);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .tier-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .tier-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .tier-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sand);
}

.page-products .tier-card__name {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-products .tier-card__rows {
  margin: 16px 0 0;
  display: grid;
  gap: 12px;
}

.page-products .tier-row {
  display: grid;
  grid-template-columns: 4.5em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-products .tier-row__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan-soft);
}

.page-products .tier-row__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
  opacity: .88;
}

.page-products .tier-card__hint {
  display: grid;
  grid-template-rows: 0fr;
  margin: 0;
  transition: grid-template-rows .22s ease, margin .22s ease;
}

.page-products .tier-card__hint > span {
  overflow: hidden;
  display: block;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  border-top: 1px dashed var(--line-soft);
  padding-top: 0;
  transition: padding-top .22s ease;
}

.page-products .tier-card:hover .tier-card__hint,
.page-products .tier-card:focus-within .tier-card__hint,
.page-products .tier-card:focus-visible .tier-card__hint {
  grid-template-rows: 1fr;
  margin-top: 14px;
}

.page-products .tier-card:hover .tier-card__hint > span,
.page-products .tier-card:focus-within .tier-card__hint > span,
.page-products .tier-card:focus-visible .tier-card__hint > span {
  padding-top: 12px;
}

/* ---------- 内地适配清单 ---------- */
.page-products .prod-mainland__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .prod-mainland__figure {
  aspect-ratio: 3 / 2;
  margin: 0;
}

.page-products .prod-mainland__body .lead {
  margin-top: 14px;
  color: var(--fog);
  opacity: .88;
  line-height: 1.85;
  max-width: 38em;
}

.page-products .prod-mainland__list {
  display: grid;
  gap: 1px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-left: 1px solid var(--line-soft);
}

.page-products .mainland-item {
  padding: 16px 0 16px 18px;
  background: var(--ink);
  border-left: 2px solid var(--sand);
}

.page-products .mainland-item__key {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--sand);
}

.page-products .mainland-item__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40em;
}

/* ---------- 切换与筛选 ---------- */
.page-products .switch {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-products .switch__tabs {
  display: flex;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.page-products .switch__tab {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  display: block;
  padding: 13px 10px;
  text-align: center;
  cursor: pointer;
  background: var(--deep);
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  box-shadow: inset 0 0 0 1px transparent;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease;
  user-select: none;
}

.page-products .switch__tab:hover {
  background: var(--deep-2);
}

.page-products .switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .switch__tab:has(.switch__input:checked) {
  background: var(--lava);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--lava);
}

.page-products .switch__tab:has(.switch__input:focus-visible) {
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.page-products .switch__panes {
  margin-top: 18px;
}

.page-products .switch__pane {
  display: block;
}

.page-products .switch:has(#lv-tier:checked) .switch__pane[data-pane="net"] {
  display: none;
}

.page-products .switch:has(#lv-net:checked) .switch__pane[data-pane="tier"] {
  display: none;
}

.page-products .switch__pane-note {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .switch__rows {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .switch__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 14px;
  align-items: baseline;
  padding: 14px clamp(14px, 2.2vw, 20px);
  background: var(--deep);
  transition: background .18s ease;
}

.page-products .switch__row:hover {
  background: var(--deep-2);
}

.page-products .switch__row-name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--fog);
}

.page-products .switch__count {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 19px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .switch__row-meta {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 14px clamp(14px, 2.2vw, 20px);
  background: var(--ink);
  border: 1px dashed var(--graphite);
}

.page-products .filter-bar__label {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--sand);
  margin-right: 4px;
}

.page-products .filter-chip {
  display: inline-block;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
  border: 1px solid var(--cyan-dim);
  background: rgba(0, 229, 255, .05);
}

.page-products .filter-bar__result {
  margin-left: auto;
  font-size: 13px;
  color: var(--muted);
}

.page-products .filter-bar__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 17px;
  color: var(--lava);
  margin: 0 2px;
}

.page-products .prod-switch__figure {
  aspect-ratio: 25 / 16;
  margin: clamp(24px, 4vw, 38px) 0 0;
}

/* ---------- 使用场景 ---------- */
.page-products .prod-scenes__banner {
  position: relative;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  overflow: hidden;
  clip-path: polygon(var(--pp-cut-lg) 0, 100% 0, 100% calc(100% - var(--pp-cut-lg)), calc(100% - var(--pp-cut-lg)) 100%, 0 100%, 0 var(--pp-cut-lg));
  border: 1px solid var(--line-soft);
}

.page-products .prod-scenes__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  opacity: .5;
}

.page-products .prod-scenes__grid {
  display: grid;
  gap: 1px;
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .scene-card {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--deep);
  border-top: 2px solid transparent;
  transition: background .18s ease, border-color .18s ease;
}

.page-products .scene-card:hover {
  background: var(--deep-2);
  border-top-color: var(--violet);
}

.page-products .scene-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--violet);
  padding-bottom: 10px;
}

.page-products .scene-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--fog);
}

.page-products .scene-card__text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 更新与支持 ---------- */
.page-products .prod-updates__list {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: pp-update;
}

.page-products .prod-updates__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--deep);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
}

.page-products .prod-updates__no {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  line-height: 1.7;
}

.page-products .prod-updates__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--fog);
  letter-spacing: -0.005em;
}

.page-products .prod-updates__text {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--muted);
  max-width: 44em;
}

.page-products .prod-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 36px);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .prod-intro__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-tiers__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .prod-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .prod-tiers__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-products .prod-overview__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-products .prod-mainland__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: center;
  }

  .page-products .prod-mainland__figure {
    position: sticky;
    top: 110px;
  }
}

@media (max-width: 480px) {
  .page-products .prod-index__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-products .tier-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-products .switch__row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-products .filter-bar__result {
    margin-left: 0;
    width: 100%;
  }

  .page-products .prod-updates__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tier-card,
  .page-products .tier-card__hint,
  .page-products .tier-card__hint > span,
  .page-products .switch__tab,
  .page-products .prod-index__item {
    transition: none;
  }

  .page-products .tier-card:hover,
  .page-products .tier-card:focus-visible,
  .page-products .tier-card:focus-within {
    transform: none;
  }
}