.page-products {
  --ps-pad: clamp(20px, 3.4vw, 48px);
  --ps-gap: clamp(20px, 3vw, 44px);
  --ps-rail-col: 172px;
}

/* ---------- 封面 ---------- */
.page-products .ps-cover {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 460px at 8% -10%, rgba(183, 240, 74, .10), transparent 62%),
    radial-gradient(900px 420px at 92% 6%, rgba(255, 107, 74, .09), transparent 58%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 100%);
  padding-block: clamp(34px, 6vw, 78px) clamp(38px, 6vw, 76px);
}

.page-products .ps-cover .shell {
  position: relative;
  z-index: 1;
}

.page-products .ps-cover__title {
  margin: 14px 0 0;
  letter-spacing: -.02em;
  line-height: .96;
}

.page-products .ps-cover__lead {
  margin-top: 20px;
  max-width: 40em;
}

.page-products .ps-stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .ps-tierbar {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--ink-700);
}

.page-products .ps-tierbar__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num meta";
  align-items: baseline;
  gap: 2px 16px;
  padding: 18px 4px 16px 0;
  border-bottom: 1px solid var(--ink-700);
  text-decoration: none;
  color: var(--mist);
  transition: background var(--t) var(--ease);
}

.page-products .ps-tierbar__item:hover,
.page-products .ps-tierbar__item:focus-visible {
  background: rgba(183, 240, 74, .06);
}

.page-products .ps-tierbar__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.4vw, 46px);
  line-height: 1;
  color: var(--mono-lime);
  letter-spacing: -.02em;
}

.page-products .ps-tierbar__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 700;
}

.page-products .ps-tierbar__meta {
  grid-area: meta;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-400);
  font-family: var(--font-mono);
}

/* ---------- 主体栅格 ---------- */
.page-products .products-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-block: clamp(26px, 4vw, 52px) clamp(40px, 7vw, 88px);
}

.page-products .ps-flow {
  min-width: 0;
}

/* ---------- 左侧编号轨道 ---------- */
.page-products .ps-rail {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  margin-bottom: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--ink-700);
  scrollbar-width: none;
}

.page-products .ps-rail::-webkit-scrollbar {
  display: none;
}

.page-products .ps-rail a {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding: 11px 18px 11px 0;
  border-bottom: 1px solid var(--ink-700);
  color: var(--ink-400);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t) var(--ease);
}

.page-products .ps-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mute);
}

.page-products .ps-rail__label {
  font-size: 13px;
}

.page-products .ps-rail a:hover,
.page-products .ps-rail a:focus-visible,
.page-products .ps-rail a.is-active {
  color: var(--lime);
}

.page-products .ps-rail a.is-active .ps-rail__num {
  color: var(--lime);
}

/* ---------- 区块通用 ---------- */
.page-products .ps-section {
  padding-block: clamp(30px, 4.6vw, 60px);
  border-top: 1px solid var(--ink-700);
}

.page-products .ps-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .ps-h2 {
  margin: 10px 0 0;
  letter-spacing: -.01em;
}

.page-products .ps-lede {
  margin-top: 16px;
  max-width: 36em;
  color: var(--ink-400);
}

.page-products .ps-note {
  margin-top: 20px;
  padding-left: 14px;
  border-left: 2px solid var(--ink-700);
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: .04em;
  color: var(--ink-400);
  max-width: 46em;
}

/* ---------- 分栏 ---------- */
.page-products .ps-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  margin-top: 26px;
}

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

.page-products .ps-figure {
  margin: 0;
}

/* ---------- 路径行 ---------- */
.page-products .ps-paths {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-700);
}

.page-products .path-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "id time"
    "path copy"
    "mark mark";
  align-items: center;
  gap: 4px 12px;
  position: relative;
  padding: 12px 12px 12px 12px;
  border-bottom: 1px solid var(--rule-soft);
  transition: background var(--t) var(--ease);
}

.page-products .path-row::after {
  content: "";
  position: absolute;
  right: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--lime);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t) var(--ease);
}

.page-products .path-row:hover,
.page-products .path-row:focus-within {
  background: rgba(183, 240, 74, .05);
}

.page-products .path-row:hover::after,
.page-products .path-row:focus-within::after {
  transform: scaleY(1);
}

.page-products .path-row__id {
  grid-area: id;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mono-lime);
}

.page-products .path-row__text {
  grid-area: path;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-products .path-row__time {
  grid-area: time;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-400);
  text-align: right;
}

.page-products .path-row__copy {
  grid-area: copy;
  justify-self: end;
  background: none;
  border: 1px solid var(--ink-700);
  color: var(--ink-400);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  padding: 5px 10px;
  cursor: pointer;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-products .path-row__copy:hover,
.page-products .path-row__copy:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.page-products .path-row__mark {
  grid-area: mark;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--lime);
  opacity: 0;
  transition: opacity var(--t) var(--ease);
}

.page-products .path-row__mark.is-on {
  opacity: 1;
}

/* ---------- 苹果版六栏 ---------- */
.page-products .ps-cols6 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid var(--ink-700);
}

.page-products .ps-col {
  border-bottom: 1px solid var(--ink-700);
}

.page-products .ps-col__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
  transition: color var(--t) var(--ease);
}

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

.page-products .ps-col__sum::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-400);
}

.page-products .ps-col[open] .ps-col__sum::after {
  content: "－";
  color: var(--lime);
}

.page-products .ps-col__sum:hover,
.page-products .ps-col__sum:focus-visible {
  color: var(--lime);
}

.page-products .ps-col__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mute);
  flex: 0 0 auto;
}

.page-products .ps-col p {
  margin: 0 0 16px;
  padding-right: 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-400);
}

/* ---------- 三档对照表（暖沙区块） ---------- */
.page-products .ps-tier {
  padding: var(--ps-pad);
  margin-block: clamp(12px, 2vw, 22px);
  border-top: 0;
}

.page-products .ps-tier .ps-h2,
.page-products .ps-tier .ps-lede,
.page-products .ps-tier .eyebrow {
  color: var(--ink-on-sand);
}

.page-products .ps-tier .ps-lede {
  color: var(--sand-soft);
}

.page-products .ps-tier .ps-note {
  color: var(--sand-soft);
  border-left-color: var(--sand-edge);
}

.page-products .ps-tier .media__cap {
  color: var(--sand-soft);
}

.page-products .ps-tablewrap {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--sand-edge);
  scrollbar-width: thin;
}

.page-products .tier-table,
.page-products .cross-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .tier-cap {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--sand-soft);
  border-bottom: 1px solid var(--sand-edge);
}

.page-products .tier-table th,
.page-products .tier-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--sand-edge);
  vertical-align: top;
  color: var(--ink-on-sand);
}

.page-products .tier-table tbody th[scope="row"] {
  font-weight: 400;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--sand-soft);
  white-space: nowrap;
}

.page-products .tier-table thead th {
  background: rgba(22, 35, 59, .06);
  border-bottom: 2px solid var(--ink-on-sand);
  font-weight: 700;
}

.page-products .tier-table tbody td {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
}

.page-products .tier-th {
  position: relative;
}

.page-products .tier-th__name {
  display: block;
  font-size: 16px;
  font-weight: 700;
}

.page-products .tier-th__price {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-on-sand);
}

.page-products .tier-th--hi {
  box-shadow: inset 0 -3px 0 var(--lime);
}

.page-products .tier-row--mark th[scope="row"] {
  color: var(--coral);
}

.page-products .tier-cell--hi {
  box-shadow: inset 3px 0 0 rgba(255, 107, 74, .55);
}

.page-products .ps-tier .ps-figure--band {
  margin-top: 28px;
}

/* ---------- 编号对照 ---------- */
.page-products .ps-cross {
  background:
    radial-gradient(760px 340px at 100% 0%, rgba(30, 58, 99, .55), transparent 62%),
    var(--ink-900);
  padding-inline: var(--ps-pad);
  padding-block: clamp(30px, 4.6vw, 58px);
  border-top: 0;
  margin-block: clamp(12px, 2vw, 22px);
}

.page-products .ps-quote {
  margin: 22px 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--lime);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
  color: var(--mist);
  max-width: 42em;
}

.page-products .cross-table {
  border-collapse: collapse;
}

.page-products .cross-table th,
.page-products .cross-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14px;
  vertical-align: top;
}

.page-products .cross-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-400);
  background: var(--ink-950);
  border-bottom: 1px solid var(--ink-700);
}

.page-products .cross-table__id {
  font-family: var(--font-mono);
  color: var(--mono-lime);
  white-space: nowrap;
}

/* ---------- 场景筛选 ---------- */
.page-products .ps-scenes {
  position: relative;
  overflow: hidden;
  padding-inline: var(--ps-pad);
  border-top: 1px solid var(--ink-700);
}

.page-products .ps-scenes__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-products .ps-scenes__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .13;
}

.page-products .ps-scenes__inner {
  position: relative;
  z-index: 1;
}

.page-products .ps-filter {
  margin-top: 26px;
}

.page-products .ps-scene-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink-700);
}

.page-products .ps-scene {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--ink-700);
}

.page-products .ps-scene__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-products .ps-scene__start {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-products .ps-scene__steps {
  margin: 12px 0 0;
  padding-left: 20px;
  max-width: 40em;
}

.page-products .ps-scene__steps li {
  margin-bottom: 6px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-400);
}

/* ---------- 变更口径 ---------- */
.page-products .ps-change-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 26px;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}

.page-products .ps-change__item {
  background: var(--ink-950);
  padding: 20px 18px 22px;
}

.page-products .ps-change__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-products .ps-change__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-400);
}

/* ---------- 交叉索引 ---------- */
.page-products .ps-next__list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-700);
}

.page-products .ps-next__list a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--ink-700);
  text-decoration: none;
  color: var(--mist);
  transition: color var(--t) var(--ease);
}

.page-products .ps-next__list a:hover,
.page-products .ps-next__list a:focus-visible {
  color: var(--lime);
}

.page-products .ps-next__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mute);
  flex: 0 0 auto;
}

.page-products .ps-next__txt {
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .ps-tierbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .ps-tierbar__item {
    border-right: 1px solid var(--ink-700);
    padding-right: 18px;
    padding-left: 4px;
  }

  .page-products .ps-tierbar__item:last-child {
    border-right: 0;
  }

  .page-products .ps-cols6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(22px, 3vw, 44px);
  }

  .page-products .ps-cols6 .ps-col {
    border-top: 1px solid var(--ink-700);
    border-bottom: 0;
  }

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

  .page-products .ps-scene-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-products .ps-scene {
    border-bottom: 1px solid var(--ink-700);
  }
}

@media (min-width: 1000px) {
  .page-products .products-grid {
    grid-template-columns: var(--ps-rail-col) minmax(0, 1fr);
    column-gap: clamp(26px, 3.6vw, 56px);
  }

  .page-products .ps-rail {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: calc(var(--nav-h) + 22px);
    align-self: start;
    grid-column: 1;
    margin-bottom: 0;
    border-top: 0;
    border-left: 1px solid var(--ink-700);
  }

  .page-products .ps-rail a {
    width: 100%;
    padding: 12px 0 12px 14px;
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
  }

  .page-products .ps-rail a.is-active,
  .page-products .ps-rail a:hover,
  .page-products .ps-rail a:focus-visible {
    border-left-color: var(--lime);
    background: rgba(183, 240, 74, .05);
  }

  .page-products .ps-flow {
    grid-column: 2;
  }

  .page-products .ps-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .ps-split--rev {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  }

  .page-products .ps-cols6 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .ps-paths .path-row {
    grid-template-columns: 130px minmax(0, 1fr) 120px auto auto;
    grid-template-areas: "id path time copy mark";
    gap: 0 16px;
    padding: 12px 14px 12px 12px;
  }

  .page-products .path-row__mark {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .path-row::after,
  .page-products .path-row__mark {
    transition: none;
  }
}