.page-products {
  --fx-radius: 2px;
  --fx-gap: clamp(20px, 3vw, 34px);
}

/* ---------- 索引头 ---------- */
.page-products .fx-intro {
  padding: clamp(20px, 3vw, 34px) 0 0;
}

.page-products .fx-intro h1 {
  font-family: var(--font-head);
  font-size: clamp(31px, 5.2vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ink);
  margin: 14px 0 18px;
  max-width: 16ch;
}

.page-products .fx-intro__lead {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--ink-body);
  max-width: 62ch;
  margin: 0 0 24px;
}

.page-products .fx-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.page-products .fx-intro__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-products .fx-intro__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair);
}

.page-products .fx-intro__fact-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--brand);
  letter-spacing: -0.01em;
}

.page-products .fx-intro__fact-label {
  font-size: 13px;
  color: var(--ink-2);
  text-align: right;
}

/* ---------- 三列对照 ---------- */
.page-products .fx-matrix-sec {
  padding: clamp(38px, 5vw, 66px) 0 clamp(30px, 4vw, 48px);
}

.page-products .fx-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--fx-radius);
  overflow: hidden;
}

.page-products .fx-matrix__col {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 22px 24px;
  background: var(--panel);
  cursor: default;
  transition: background 160ms var(--ease), transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-products .fx-matrix__col::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: transparent;
  transition: background 160ms var(--ease);
}

.page-products .fx-matrix__col:hover,
.page-products .fx-matrix__col:focus-visible {
  background: var(--mist);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  outline: none;
}

.page-products .fx-matrix__col:hover::before,
.page-products .fx-matrix__col:focus-visible::before {
  background: var(--brand);
}

.page-products .fx-matrix__col:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.page-products .fx-matrix__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--brand);
}

.page-products .fx-matrix__col:hover .fx-matrix__num,
.page-products .fx-matrix__col:focus-visible .fx-matrix__num {
  color: var(--accent);
}

.page-products .fx-matrix__title {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-products .fx-matrix__scene {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0;
  padding-left: 12px;
  border-left: 1px solid var(--brand-deep);
}

.page-products .fx-matrix__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .fx-matrix__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-body);
}

.page-products .fx-matrix__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background: var(--brand-deep);
}

.page-products .fx-matrix__foot {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

.page-products .fx-matrix__foot .num {
  color: var(--ink);
}

.page-products .fx-matrix__hint {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 功能区块通用 ---------- */
.page-products .fx-block {
  padding: clamp(38px, 5vw, 70px) 0;
  border-top: 1px solid var(--hair);
}

.page-products .fx-block--alt {
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(0, 229, 160, 0.045) 0%, rgba(0, 229, 160, 0) 58%),
    var(--bg);
}

.page-products .fx-block__grid {
  align-items: start;
  row-gap: clamp(24px, 3vw, 34px);
}

.page-products .fx-block__side {
  position: relative;
}

.page-products .fx-block__num {
  display: inline-block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--brand);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hair);
  margin: 0 0 14px;
}

.page-products .fx-block__title {
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-products .fx-block__scene {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--brand-deep);
}

.page-products .fx-block__body {
  max-width: 58ch;
}

.page-products .fx-block__body > p {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-body);
  margin: 0 0 16px;
}

.page-products .fx-block__media {
  margin: 0;
}

.page-products .fx-block__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--hair);
  border-radius: var(--fx-radius);
  background: var(--panel);
}

/* ---------- 手风琴 ---------- */
.page-products .fx-acc {
  border-top: 1px solid var(--hair);
  padding: 4px 0;
}

.page-products .fx-acc:last-of-type {
  border-bottom: 1px solid var(--hair);
}

.page-products .fx-acc__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  transition: color 160ms var(--ease);
}

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

.page-products .fx-acc__q::before {
  content: "+";
  flex: none;
  width: 16px;
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--brand);
  text-align: left;
}

.page-products .fx-acc[open] .fx-acc__q::before {
  content: "−";
  color: var(--accent);
}

.page-products .fx-acc__q:hover,
.page-products .fx-acc__q:focus-visible {
  color: var(--brand);
}

.page-products .fx-acc__q:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.page-products .fx-acc__a {
  padding: 0 0 16px 26px;
}

.page-products .fx-acc__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 集锦批次筛选 ---------- */
.page-products .fx-gal {
  margin-top: 22px;
  border: 1px solid var(--hair);
  border-radius: var(--fx-radius);
  background: var(--panel);
  padding: 18px 16px 6px;
}

.page-products .fx-gal__state {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .fx-gal__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .fx-gal__chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 13px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  border: 1px solid var(--hair);
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-products .fx-gal__chip .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  color: inherit;
}

.page-products .fx-gal__chip:hover {
  border-color: var(--brand-deep);
  color: var(--ink);
}

.page-products .fx-gal__state:focus-visible + .fx-gal__chips .fx-gal__chip {
  outline: none;
}

.page-products #fxp-b1:focus-visible ~ .fx-gal__chips [for="fxp-b1"],
.page-products #fxp-b2:focus-visible ~ .fx-gal__chips [for="fxp-b2"],
.page-products #fxp-b3:focus-visible ~ .fx-gal__chips [for="fxp-b3"] {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.page-products #fxp-b1:checked ~ .fx-gal__chips [for="fxp-b1"],
.page-products #fxp-b2:checked ~ .fx-gal__chips [for="fxp-b2"],
.page-products #fxp-b3:checked ~ .fx-gal__chips [for="fxp-b3"] {
  background: var(--mist);
  border-color: var(--brand);
  color: var(--brand);
}

.page-products .fx-gal__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-products .fx-gal__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--hair);
}

.page-products .fx-gal__item-tag {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--brand);
  border: 1px solid var(--hair);
  border-radius: 999px;
  padding: 3px 9px;
}

.page-products .fx-gal__item-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  color: var(--ink-body);
  overflow-wrap: anywhere;
}

.page-products .fx-gal__item-meta {
  flex: none;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--muted);
}

.page-products #fxp-b1:not(:checked) ~ .fx-gal__list .fx-gal__item[data-batch="b1"],
.page-products #fxp-b2:not(:checked) ~ .fx-gal__list .fx-gal__item[data-batch="b2"],
.page-products #fxp-b3:not(:checked) ~ .fx-gal__list .fx-gal__item[data-batch="b3"] {
  display: none;
}

/* ---------- 终端适配条 ---------- */
.page-products .fx-dev {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .fx-dev__row {
  position: relative;
  display: grid;
  grid-template-columns: 84px 1fr;
  align-items: center;
  gap: 10px 14px;
}

.page-products .fx-dev__name {
  font-size: 13px;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.page-products .fx-dev__track {
  position: relative;
  display: block;
  height: 6px;
  background: var(--hair);
  border-radius: 999px;
  overflow: hidden;
}

.page-products .fx-dev__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--brand-deep), var(--brand));
  border-radius: 999px;
}

.page-products .fx-dev__fill--a { width: 100%; }
.page-products .fx-dev__fill--b { width: 95%; }
.page-products .fx-dev__fill--c { width: 90%; }
.page-products .fx-dev__fill--d { width: 84%; }
.page-products .fx-dev__fill--e { width: 76%; }

.page-products .fx-dev__note {
  grid-column: 2 / -1;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 200ms var(--ease), opacity 200ms var(--ease);
}

.page-products .fx-dev__row:hover .fx-dev__note,
.page-products .fx-dev__row:focus-within .fx-dev__note {
  max-height: 60px;
  opacity: 1;
  color: var(--brand);
}

.page-products .fx-dev__hint {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 同步说明表 ---------- */
.page-products .fx-sync {
  margin: 24px 0 0;
  border-top: 1px solid var(--hair);
}

.page-products .fx-sync__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hair);
}

.page-products .fx-sync__t {
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .fx-sync__d {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-2);
}

/* ---------- 入口推荐 ---------- */
.page-products .fx-paths {
  padding: clamp(38px, 5vw, 70px) 0 clamp(46px, 6vw, 84px);
  border-top: 1px solid var(--hair);
  background:
    radial-gradient(90% 120% at 0% 0%, rgba(255, 107, 53, 0.05) 0%, rgba(255, 107, 53, 0) 55%),
    var(--bg);
}

.page-products .fx-paths__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--fx-radius);
  overflow: hidden;
}

.page-products .fx-paths__item {
  background: var(--panel);
  padding: 24px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-products .fx-paths__item:hover {
  background: var(--mist);
  box-shadow: var(--shadow-soft);
}

.page-products .fx-paths__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--brand);
  margin: 0;
}

.page-products .fx-paths__item:hover .fx-paths__num {
  color: var(--accent);
}

.page-products .fx-paths__name {
  font-family: var(--font-head);
  font-size: clamp(19px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-products .fx-paths__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--ink-2);
}

.page-products .fx-paths__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13.5px;
  color: var(--brand);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-products .fx-paths__link::after {
  content: " →";
  font-family: var(--font-num);
}

.page-products .fx-paths__link:hover,
.page-products .fx-paths__link:focus-visible {
  border-bottom-color: var(--brand);
}

.page-products .fx-paths__link:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.page-products .fx-paths__tail {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--hair);
  border-left: 2px solid var(--brand);
  border-radius: var(--fx-radius);
  background: var(--panel);
}

.page-products .fx-paths__tail-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 62ch;
}

/* ---------- 响应式 ---------- */
@media (max-width: 599px) {
  .page-products .fx-dev__row {
    grid-template-columns: 68px 1fr;
    gap: 8px 10px;
  }

  .page-products .fx-dev__note {
    max-height: 80px;
    opacity: 1;
    color: var(--ink-2);
  }

  .page-products .fx-gal__item {
    flex-wrap: wrap;
  }

  .page-products .fx-gal__item-title {
    flex-basis: 100%;
    order: 3;
  }

  .page-products .fx-paths__tail {
    align-items: flex-start;
  }

  .page-products .fx-paths__tail .btn {
    width: 100%;
    text-align: center;
  }
}

@media (min-width: 600px) {
  .page-products .fx-matrix {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .fx-dev__row {
    grid-template-columns: 96px 1fr;
  }

  .page-products .fx-dev__note {
    grid-column: 2 / -1;
  }

  .page-products .fx-paths__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .page-products .fx-block__side {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-products .fx-block__media--lead {
    order: -1;
  }

  .page-products .fx-sync__row {
    grid-template-columns: 148px 1fr;
    gap: 18px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fx-matrix__col,
  .page-products .fx-paths__item,
  .page-products .fx-dev__note,
  .page-products .fx-acc__q,
  .page-products .fx-paths__link {
    transition: none;
  }

  .page-products .fx-matrix__col:hover,
  .page-products .fx-matrix__col:focus-visible {
    transform: none;
  }
}