.page-products {
  --pp-pad: clamp(1rem, 0.5rem + 2vw, 2.25rem);
  --pp-gap: clamp(2.25rem, 5vw, 4rem);
  color: var(--ice);
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

.page-products .wrap {
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(1rem, 3vw, 1.75rem);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(16rem, 55%);
  height: 1px;
  background: linear-gradient(90deg, var(--orange), transparent);
}

.page-products .prod-hero .display {
  margin-block: 0.55rem 0.9rem;
  max-width: 20em;
}

.page-products .prod-hero .lede {
  max-width: 46em;
  color: var(--mist);
  font-size: var(--fs-body);
  line-height: 1.8;
}

/* ---------- 信息带 ---------- */
.page-products .band {
  margin-top: clamp(0.5rem, 2vw, 1rem);
  padding: clamp(0.85rem, 2.2vw, 1.35rem);
  border: 1px solid var(--grid);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(14, 34, 59, 0.92), rgba(7, 20, 38, 0.72));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.page-products .band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.page-products .band__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-products .band__jump {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px dashed var(--grid);
  padding-bottom: 0.15rem;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-products .info-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.page-products .info-band__cell {
  padding: clamp(0.9rem, 2vw, 1.25rem);
  border: 1px solid var(--grid);
  border-radius: var(--radius-md);
  background: rgba(7, 20, 38, 0.62);
}

.page-products .info-band__cell--accent {
  border-color: rgba(255, 122, 61, 0.65);
  background:
    radial-gradient(130% 130% at 100% 0%, rgba(255, 122, 61, 0.2), transparent 60%),
    rgba(7, 20, 38, 0.72);
}

.page-products .info-band__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-products .info-band__value {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-num);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ice);
  font-variant-numeric: tabular-nums;
  overflow-wrap: break-word;
}

.page-products .info-band__cell--accent .info-band__value {
  color: var(--orange);
}

.page-products .info-band__unit {
  display: block;
  margin-top: 0.35rem;
  font-size: var(--fs-small);
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-products .cell-note {
  margin: 0.5rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 通用区块 ---------- */
.page-products .prod-section {
  margin-top: var(--pp-gap);
}

.page-products .prod-text {
  margin: 0.75rem 0 0;
  max-width: 44em;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--mist);
}

.page-products .prod-text--tight {
  margin-top: 1.25rem;
  font-size: var(--fs-small);
}

.page-products .sub-title {
  margin: 1.5rem 0 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ice);
}

.page-products .link-arrow {
  display: inline-block;
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
  padding-bottom: 0.15rem;
}

.page-products .link-arrow:hover,
.page-products .link-arrow:focus-visible {
  border-color: var(--cyan);
}

/* ---------- 分栏 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}

.page-products .split__body,
.page-products .split__media {
  min-width: 0;
}

.page-products .split__media {
  margin: 0;
}

/* ---------- 费用构成 ---------- */
.page-products .cost-list {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  border-top: 1px dashed var(--grid);
}

.page-products .cost-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.2rem 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px dashed var(--grid);
}

.page-products .cost-list__name {
  font-weight: 700;
  color: var(--ice);
  font-size: var(--fs-body);
}

.page-products .cost-list__num {
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-products .cost-list__desc {
  grid-column: 1 / -1;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--mist);
}

.page-products .calc {
  margin-top: 1.5rem;
  padding: clamp(0.9rem, 2vw, 1.25rem);
  border: 1px solid rgba(255, 122, 61, 0.5);
  border-radius: var(--radius-md);
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(255, 122, 61, 0.18), transparent 65%),
    var(--panel);
}

.page-products .calc__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-products .calc__formula {
  margin: 0.45rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 1rem + 1.1vw, 1.85rem);
  letter-spacing: -0.01em;
  color: var(--ice);
  font-variant-numeric: tabular-nums;
}

.page-products .calc__formula strong {
  color: var(--orange);
  font-size: 1.18em;
}

.page-products .calc__note {
  margin: 0.5rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--mist);
}

.page-products .fold {
  margin-top: 1.25rem;
  border: 1px solid var(--grid);
  border-radius: var(--radius-md);
  background: rgba(14, 34, 59, 0.55);
}

.page-products .fold__summary {
  cursor: pointer;
  padding: 0.8rem 1rem;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--cyan);
  list-style: none;
}

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

.page-products .fold__summary::before {
  content: "＋";
  margin-right: 0.55rem;
  font-family: var(--font-mono);
}

.page-products .fold[open] .fold__summary::before {
  content: "－";
}

.page-products .fold__body {
  padding: 0 1rem 1rem;
}

.page-products .fold__body p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 档位切换 ---------- */
.page-products .tiers {
  position: relative;
  margin-top: 1.5rem;
}

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

.page-products .tiers__tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

.page-products .tiers__tab {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--grid);
  border-radius: var(--radius-md);
  background: rgba(14, 34, 59, 0.72);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-products .tiers__tab:hover {
  border-color: var(--cyan);
  transform: translateY(-1px);
}

.page-products .tiers__tab-name {
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--ice);
}

.page-products .tiers__tab-price {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-products #tier-personal:checked ~ .tiers__tabs .tiers__tab[for="tier-personal"],
.page-products #tier-team:checked ~ .tiers__tabs .tiers__tab[for="tier-team"],
.page-products #tier-youth:checked ~ .tiers__tabs .tiers__tab[for="tier-youth"] {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(255, 194, 74, 0.16), rgba(14, 34, 59, 0.92));
}

.page-products #tier-personal:checked ~ .tiers__tabs .tiers__tab[for="tier-personal"] .tiers__tab-price,
.page-products #tier-team:checked ~ .tiers__tabs .tiers__tab[for="tier-team"] .tiers__tab-price,
.page-products #tier-youth:checked ~ .tiers__tabs .tiers__tab[for="tier-youth"] .tiers__tab-price {
  color: var(--gold);
}

.page-products .tiers__panel {
  display: none;
  margin-top: 1rem;
  padding: clamp(1rem, 2.4vw, 1.5rem);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.page-products #tier-personal:checked ~ .tiers__panels .tiers__panel--personal,
.page-products #tier-team:checked ~ .tiers__panels .tiers__panel--team,
.page-products #tier-youth:checked ~ .tiers__panels .tiers__panel--youth {
  display: block;
}

.page-products .tiers__panel-title {
  margin: 0 0 0.5rem;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ice);
}

.page-products .tiers__panel p {
  margin: 0 0 0.5rem;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .tiers__panel-note {
  font-size: var(--fs-small) !important;
  font-family: var(--font-mono);
  color: var(--cyan) !important;
  line-height: 1.65 !important;
}

/* ---------- 积分 ---------- */
.page-products .points-scale {
  margin-top: 1.5rem;
}

.page-products .points-scale__track {
  height: 0.6rem;
  border: 1px solid var(--grid);
  border-radius: 999px;
  background: rgba(24, 58, 90, 0.85);
  overflow: hidden;
}

.page-products .points-scale__fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange) 65%, var(--gold));
}

.page-products .points-scale__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.45rem;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-products .exchange {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-products .exchange__item {
  display: grid;
  gap: 0.15rem;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--grid);
  border-radius: var(--radius-sm);
  background: rgba(14, 34, 59, 0.6);
}

.page-products .exchange__name {
  font-weight: 700;
  color: var(--gold);
  font-size: var(--fs-body);
}

.page-products .exchange__desc {
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--mist);
}

.page-products .exchange-strip {
  display: grid;
  gap: 1.15rem;
  margin-top: 2rem;
  padding: clamp(1rem, 2.4vw, 1.5rem);
  border: 1px solid var(--grid);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(14, 34, 59, 0.92), rgba(7, 20, 38, 0.55));
  align-items: center;
}

.page-products .exchange-strip__body {
  min-width: 0;
}

.page-products .exchange-strip__body .sub-title {
  margin-top: 0;
}

/* ---------- 移动端清单 ---------- */
.page-products .check-list {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .check-list li {
  position: relative;
  padding-left: 1.6rem;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--mist);
}

.page-products .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.7rem;
  height: 0.7rem;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  background: rgba(53, 224, 208, 0.22);
}

/* ---------- 版本检索 ---------- */
.page-products .version-bar {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.5rem;
  padding: clamp(0.85rem, 2vw, 1.15rem);
  border: 1px dashed rgba(53, 224, 208, 0.5);
  border-radius: var(--radius-md);
  background: rgba(53, 224, 208, 0.06);
}

.page-products .version-bar__label {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .version-bar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .version-chip {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--grid);
  border-radius: 999px;
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--ice);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-products .version-chip:hover,
.page-products .version-chip:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(255, 194, 74, 0.1);
}

.page-products .fact-grid {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-products .fact-grid__item {
  padding: 1rem 1.1rem;
  border: 1px solid var(--grid);
  border-radius: var(--radius-md);
  background: rgba(14, 34, 59, 0.6);
}

.page-products .fact-grid__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .fact-grid__label {
  display: block;
  margin-top: 0.3rem;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--ice);
}

.page-products .fact-grid__note {
  margin: 0.45rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 服务路径 ---------- */
.page-products .path {
  list-style: none;
  margin: 1.5rem 0 0;
  padding-left: 2.25rem;
  position: relative;
  counter-reset: pathstep;
}

.page-products .path::before {
  content: "";
  position: absolute;
  left: 0.6rem;
  top: 0.7rem;
  bottom: 0.7rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--grid) 55%, transparent);
}

.page-products .path__item {
  position: relative;
  padding-bottom: 1.35rem;
  counter-increment: pathstep;
}

.page-products .path__item:last-child {
  padding-bottom: 0;
}

.page-products .path__item::before {
  content: counter(pathstep, decimal-leading-zero);
  position: absolute;
  left: -2.25rem;
  top: 0.1rem;
  width: 1.2rem;
  height: 1.2rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--grid);
  border-radius: 50%;
  background: var(--arena);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--cyan);
}

.page-products .path__item:first-child::before {
  border-color: var(--cyan);
  color: var(--gold);
}

.page-products .path__title {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ice);
}

.page-products .path__text {
  margin: 0.35rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-products .prod-outro {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--grid);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 160% at 0% 0%, rgba(255, 194, 74, 0.12), transparent 60%),
    var(--panel);
}

.page-products .prod-outro .section-title {
  margin-top: 0;
}

.page-products .outro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 44rem) {
  .page-products .info-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

  .page-products .exchange-strip {
    grid-template-columns: minmax(0, 13rem) minmax(0, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 56rem) {
  .page-products .split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(1.5rem, 3.5vw, 3rem);
  }

  .page-products .split--media-left {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }

  .page-products .split__media {
    position: sticky;
    top: 2rem;
  }

  .page-products .prod-hero .lede {
    font-size: clamp(1.05rem, 1rem + 0.25vw, 1.2rem);
  }
}

@media (max-width: 26rem) {
  .page-products .info-band__value {
    font-size: 1.5rem;
  }

  .page-products .info-band__unit {
    font-size: 0.75rem;
  }

  .page-products .cost-list__num {
    font-size: 0.95rem;
  }

  .page-products .path {
    padding-left: 1.9rem;
  }

  .page-products .path__item::before {
    left: -1.9rem;
    width: 1.05rem;
    height: 1.05rem;
    font-size: 0.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tiers__tab,
  .page-products .band__jump,
  .page-products .version-chip {
    transition: none;
  }

  .page-products .tiers__tab:hover {
    transform: none;
  }
}