.page-products {
  --fx-gap: clamp(20px, 3.4vw, 42px);
  --fx-rule: var(--bw) solid var(--line);
  --fx-rule-strong: var(--bw) solid var(--line-strong);
}

/* ---------- 页头与索引轨道 ---------- */

.page-products .pg-head {
  padding-block: clamp(26px, 5vw, 54px) clamp(30px, 5vw, 62px);
}

.page-products .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .pg-head__title {
  margin: 16px 0 0;
  max-width: 17ch;
  font-size: clamp(32px, 7.4vw, 66px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-products .pg-head__lede {
  margin: 22px 0 0;
  max-width: 66ch;
}

.page-products .pg-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: clamp(30px, 5vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pg-rail__item {
  min-width: 0;
}

.page-products .pg-rail__link {
  display: block;
  height: 100%;
  padding: 16px 16px 18px;
  border: var(--fx-rule);
  background: var(--deep);
  color: var(--white);
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.page-products .pg-rail__link:hover,
.page-products .pg-rail__link:focus-visible {
  border-color: var(--orange);
  background: var(--panel);
  transform: translateY(-2px);
}

.page-products .pg-rail__link.is-active {
  border-color: var(--orange);
  background: var(--orange);
}

.page-products .pg-rail__link.is-active .pg-rail__no,
.page-products .pg-rail__link.is-active .pg-rail__name {
  color: var(--deep);
}

.page-products .pg-rail__no {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-products .pg-rail__name {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

/* ---------- 功能分区通用骨架 ---------- */

.page-products .fx {
  padding-block: clamp(34px, 6vw, 76px);
}

.page-products .fx__grid {
  grid-template-columns: minmax(0, 1fr);
  gap: var(--fx-gap);
}

.page-products .fx__side .section-no {
  display: block;
  font-size: clamp(44px, 9vw, 78px);
  line-height: .9;
  letter-spacing: -0.04em;
  color: var(--orange);
}

.page-products .fx__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .fx__tag {
  display: inline-block;
  margin: 14px 0 0;
  padding: 5px 10px;
  border: var(--fx-rule);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-products .fx__main {
  min-width: 0;
}

.page-products .fx__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.8;
  color: var(--white);
}

.page-products .fx__media {
  margin: clamp(24px, 4vw, 34px) 0 0;
}

.page-products .fx__sub {
  margin: clamp(28px, 4vw, 40px) 0 0;
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .fx__note {
  margin: clamp(24px, 4vw, 34px) 0 0;
  max-width: 62ch;
  padding-left: 18px;
  border-left: 4px solid var(--orange);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .fx__note a,
.page-products .fx-cta__text a {
  color: var(--orange-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 操作路径 ---------- */

.page-products .path {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .path__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-top: var(--fx-rule);
}

.page-products .path__step:last-child {
  border-bottom: var(--fx-rule);
}

.page-products .path__no {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-products .path__body {
  min-width: 0;
}

.page-products .path__label {
  display: block;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .path__desc {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 可展开组 ---------- */

.page-products .fx__stack {
  margin: clamp(22px, 3vw, 30px) 0 0;
  border-top: var(--fx-rule-strong);
}

.page-products .fx__stack .disclosure {
  border-bottom: var(--fx-rule);
}

/* ---------- 回看筛选与片段列表 ---------- */

.page-products .fx__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(22px, 3vw, 28px) 0 0;
}

.page-products .fx__filters .tag {
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-products .fx__filters .tag:hover,
.page-products .fx__filters .tag:focus-visible {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--deep);
}

.page-products .cliplist {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .cliplist__item {
  padding: 16px 18px;
  border: var(--fx-rule);
  border-left: 4px solid var(--cyan);
  background: var(--panel);
}

.page-products .cliplist__no {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .cliplist__text {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 订阅层级 ---------- */

.page-products .tierlist {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--fx-rule);
}

.page-products .tierlist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: var(--fx-rule);
}

.page-products .tierlist__no {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--orange);
  line-height: 1.6;
}

.page-products .tierlist__name {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-products .tierlist__desc {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 版本对照 ---------- */

.page-products .verpair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(22px, 3vw, 30px) 0 0;
}

.page-products .verpair__card {
  padding: 20px;
  border: var(--fx-rule-strong);
  background: var(--panel);
}

.page-products .verpair__card--current {
  border-color: var(--orange);
  background: var(--deep);
}

.page-products .verpair__card-title {
  margin: 14px 0 0;
  font-size: clamp(19px, 2.6vw, 23px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .verpair__card-text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 场景组合 ---------- */

.page-products .fx-combos {
  padding-block: clamp(34px, 6vw, 78px);
}

.page-products .fx-combos__title {
  margin: 14px 0 0;
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-products .fx-combos__lede {
  margin: 18px 0 0;
  max-width: 60ch;
}

.page-products .combos {
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--fx-rule-strong);
}

.page-products .combo {
  padding: 20px 0;
  border-bottom: var(--fx-rule);
}

.page-products .combo__no {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-products .combo__title {
  margin: 8px 0 0;
  font-size: clamp(19px, 2.8vw, 25px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .combo__text {
  margin: 9px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 结尾动作区 ---------- */

.page-products .fx-cta {
  padding-block: clamp(34px, 5.5vw, 72px);
}

.page-products .fx-cta__grid {
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.page-products .fx-cta__title {
  margin: 14px 0 0;
  font-size: clamp(25px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-products .fx-cta__text {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .fx-cta__actions {
  display: grid;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-products .pg-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .fx__grid {
    grid-template-columns: minmax(180px, 0.78fr) minmax(0, 2fr);
    gap: clamp(32px, 5vw, 68px);
  }

  .page-products .fx__side {
    position: sticky;
    top: 132px;
    align-self: start;
  }

  .page-products .combo {
    display: grid;
    grid-template-columns: 56px minmax(0, 250px) minmax(0, 1fr);
    gap: 0 clamp(24px, 3vw, 40px);
    align-items: baseline;
    padding: 24px 0;
  }

  .page-products .combo__no {
    line-height: 1.6;
  }

  .page-products .combo__title {
    margin-top: 0;
  }

  .page-products .combo__text {
    margin-top: 0;
  }

  .page-products .fx-cta__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

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

@media (min-width: 1060px) {
  .page-products .pg-rail {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .fx__grid {
    grid-template-columns: minmax(200px, 0.72fr) minmax(0, 2fr);
  }

  .page-products .cliplist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}