.page-products {
  --ps-accent: var(--ht-lime);
  background: var(--ht-ink);
  color: var(--ht-white);
  font-family: var(--ht-font);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products p {
  margin: 0 0 16px;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-products .ps-lead {
  padding: clamp(28px, 5vw, 56px) 0 clamp(34px, 5vw, 60px);
  border-bottom: 1px solid var(--ht-line);
}

.page-products .ps-eyebrow {
  margin: 26px 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ht-lime);
  text-transform: uppercase;
}

.page-products .ps-h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.015em;
  max-width: 18em;
}

.page-products .ps-lede {
  max-width: 62ch;
  margin: 0 0 8px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: rgba(242, 246, 252, 0.78);
}

.page-products .ps-link {
  color: var(--ht-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.45);
  transition: border-color var(--ht-ease), color var(--ht-ease);
}

.page-products .ps-link:hover,
.page-products .ps-link:focus-visible {
  color: var(--ht-white);
  border-bottom-color: var(--ht-white);
}

/* ---------- 路径索引 ---------- */

.page-products .ps-rail {
  display: grid;
  gap: 10px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .ps-railitem {
  position: relative;
  display: block;
  padding: 20px 18px 18px;
  background: var(--ht-panel);
  border: 1px solid var(--ht-line);
  border-top: 2px solid var(--ps-accent);
  text-decoration: none;
  overflow: hidden;
  transition: border-color var(--ht-ease), background var(--ht-ease), transform var(--ht-ease);
}

.page-products .ps-railitem::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 26px;
  height: 26px;
  background: var(--ht-ink);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-products .ps-railitem:hover,
.page-products .ps-railitem:focus-visible {
  border-color: var(--ps-accent);
  background: var(--ht-ink-2);
  transform: translateY(-2px);
}

.page-products .ps-rail li:nth-child(1) .ps-railitem { --ps-accent: var(--ht-lime); }
.page-products .ps-rail li:nth-child(2) .ps-railitem { --ps-accent: var(--ht-cyan); }
.page-products .ps-rail li:nth-child(3) .ps-railitem { --ps-accent: var(--ht-violet); }

.page-products .ps-railitem__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--ht-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ps-accent);
}

.page-products .ps-railitem__label {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .ps-railitem__meta {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ht-muted);
}

/* ---------- 三条路径 ---------- */

.page-products .ps-route {
  padding: clamp(44px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--ht-line);
  scroll-margin-top: 110px;
}

.page-products .ps-route--a { --ps-accent: var(--ht-lime); }
.page-products .ps-route--b {
  --ps-accent: var(--ht-cyan);
  background: var(--ht-ink-2);
}
.page-products .ps-route--c { --ps-accent: var(--ht-violet); }

.page-products .ps-route__grid {
  display: grid;
  gap: 30px;
}

.page-products .ps-route__intro,
.page-products .ps-route__body {
  min-width: 0;
}

.page-products .ps-route__head {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin: 0 0 20px;
}

.page-products .ps-route__no {
  font-family: var(--ht-mono);
  font-size: clamp(44px, 8vw, 76px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: var(--ps-accent);
}

.page-products .ps-route__tag {
  padding-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ht-muted);
  white-space: nowrap;
}

.page-products .ps-h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -0.01em;
}

.page-products .ps-h3 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ps-accent);
}

.page-products .ps-body {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 246, 252, 0.82);
  margin-bottom: 22px;
}

.page-products .ps-route__intro > p {
  font-size: 15px;
  line-height: 1.82;
  color: rgba(242, 246, 252, 0.82);
}

/* 数据条 */

.page-products .ps-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--ht-line);
  border: 1px solid var(--ht-line);
}

.page-products .ps-metric {
  background: var(--ht-panel);
  padding: 16px 14px 18px;
}

.page-products .ps-metric:first-child {
  grid-column: 1 / -1;
}

.page-products .ps-metric__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--ht-mono);
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--ht-white);
  font-variant-numeric: tabular-nums;
}

.page-products .ps-metric__key {
  display: block;
  font-size: 13px;
  line-height: 1.62;
  color: var(--ht-muted);
}

/* 勾选清单 */

.page-products .ps-checks {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ht-line);
}

.page-products .ps-checks li {
  position: relative;
  padding: 13px 8px 13px 38px;
  border-bottom: 1px solid var(--ht-line);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 246, 252, 0.86);
}

.page-products .ps-checks li strong {
  color: var(--ht-white);
  font-weight: 700;
}

.page-products .ps-checks li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 22px;
  width: 12px;
  height: 6px;
  border-left: 2px solid var(--ps-accent);
  border-bottom: 2px solid var(--ps-accent);
  transform: rotate(-45deg);
}

.page-products .ps-checks--alt li::before {
  border-left-color: var(--ht-cyan);
  border-bottom-color: var(--ht-cyan);
}

/* 规格行 */

.page-products .ps-specs {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ht-line);
}

.page-products .ps-specs li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ht-line);
}

.page-products .ps-spec__k {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ht-muted);
  white-space: nowrap;
}

.page-products .ps-spec__v {
  font-size: 15px;
  font-weight: 700;
  text-align: right;
  color: var(--ht-white);
}

/* 看板示意 */

.page-products .ps-board {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
  padding: 14px;
  margin-bottom: 26px;
  background: var(--ht-ink-2);
  border: 1px solid var(--ht-line);
}

.page-products .ps-board__cell {
  height: 16px;
  background: var(--ht-panel);
  border: 1px solid var(--ht-line);
}

.page-products .ps-board__cell--hot {
  background: rgba(63, 224, 208, 0.24);
  border-color: rgba(63, 224, 208, 0.6);
}

/* 列数预览 */

.page-products .ps-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 26px;
}

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

.page-products .ps-cols__grid {
  display: grid;
  gap: 3px;
  padding: 8px;
  margin-bottom: 8px;
  background: var(--ht-ink-2);
  border: 1px solid var(--ht-line);
}

.page-products .ps-cols__grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.page-products .ps-cols__grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.page-products .ps-cols__grid--8 { grid-template-columns: repeat(8, minmax(0, 1fr)); }

.page-products .ps-cols__grid span {
  display: block;
  height: 10px;
  background: var(--ht-panel);
  border: 1px solid var(--ht-line);
}

.page-products .ps-cols__cap {
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  color: var(--ht-muted);
}

/* 图片 */

.page-products .ps-shot {
  margin: 0 0 6px;
}

.page-products .ps-shot img {
  width: 100%;
  object-fit: cover;
  background: var(--ht-ink-2);
  border: 1px solid var(--ht-line);
}

.page-products .ps-shot--tall img { aspect-ratio: 2 / 3; }
.page-products .ps-shot--wide img { aspect-ratio: 14 / 9; }
.page-products .ps-route--c .ps-shot--wide img { aspect-ratio: 2 / 1; }

/* 归档条目 */

.page-products .ps-arch {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ht-line);
}

.page-products .ps-arch__item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ht-line);
}

.page-products .ps-arch__idx {
  font-family: var(--ht-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ps-accent);
}

.page-products .ps-arch__txt {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 246, 252, 0.82);
}

/* ---------- 版本节奏 ---------- */

.page-products .ps-versions {
  padding: clamp(44px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--ht-line);
  background: var(--ht-ink);
}

.page-products .ps-versions .ps-eyebrow {
  margin-top: 0;
}

.page-products .ps-versions .ps-lede {
  margin-bottom: 0;
}

.page-products .ps-ruler__track {
  position: relative;
  display: grid;
  gap: 22px;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .ps-node {
  position: relative;
  padding-left: 28px;
}

.page-products .ps-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--ht-lime);
  background: var(--ht-ink);
  box-shadow: 0 0 0 4px rgba(198, 245, 60, 0.12);
}

.page-products .ps-node__ver {
  display: block;
  margin-bottom: 6px;
  font-family: var(--ht-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ht-lime);
  font-variant-numeric: tabular-nums;
}

.page-products .ps-node__ttl {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ht-white);
}

.page-products .ps-node__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ht-muted);
}

/* ---------- 起步流程 ---------- */

.page-products .ps-steps-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(52px, 8vw, 108px) 0;
  background: var(--ht-ink);
}

.page-products .ps-steps-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-products .ps-steps-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    var(--ht-ink) 0%,
    rgba(6, 10, 17, 0.72) 42%,
    var(--ht-ink) 100%
  );
}

.page-products .ps-steps-inner {
  position: relative;
}

.page-products .ps-steps-section .ps-eyebrow {
  margin-top: 0;
}

.page-products .ps-steps {
  display: grid;
  gap: 18px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .ps-step {
  position: relative;
  padding: 26px 20px 22px;
  background: var(--ht-panel);
  border: 1px solid var(--ht-line);
  transition: border-color var(--ht-ease), transform var(--ht-ease);
}

.page-products .ps-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  background: linear-gradient(45deg, var(--ht-ink) 0 50%, transparent 50%);
  border-top: 1px solid var(--ht-line);
  border-left: 1px solid var(--ht-line);
}

.page-products .ps-step:hover,
.page-products .ps-step:focus-within {
  border-color: var(--ht-lime);
  transform: translateY(-2px);
}

.page-products .ps-step__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--ht-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ht-lime);
  font-variant-numeric: tabular-nums;
}

.page-products .ps-step__ttl {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.page-products .ps-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 246, 252, 0.76);
}

.page-products .ps-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 44px);
}

/* ---------- 断点 ---------- */

@media (min-width: 560px) {
  .page-products .ps-arch__item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-products .ps-arch__idx {
    padding-top: 2px;
  }
}

@media (min-width: 760px) {
  .page-products .ps-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-products .ps-metric:first-child {
    grid-column: auto;
  }

  .page-products .ps-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }

  .page-products .ps-step + .ps-step::after {
    content: "";
    position: absolute;
    left: -31px;
    top: 50%;
    width: 20px;
    height: 20px;
    border-top: 2px solid var(--ht-line);
    border-right: 2px solid var(--ht-line);
    transform: translateY(-50%) rotate(45deg);
  }
}

@media (min-width: 880px) {
  .page-products .ps-ruler__track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .ps-ruler__track::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 5px;
    height: 1px;
    background: linear-gradient(90deg, var(--ht-lime), var(--ht-cyan) 55%, var(--ht-violet));
    opacity: 0.5;
  }

  .page-products .ps-node {
    padding: 26px 0 0;
  }

  .page-products .ps-node::before {
    left: 0;
    top: 0;
  }
}

@media (min-width: 940px) {
  .page-products .ps-route__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-products .ps-route__intro {
    position: sticky;
    top: 112px;
  }

  .page-products .ps-h1 {
    max-width: 14em;
  }
}

@media (min-width: 1100px) {
  .page-products .ps-cols {
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ps-railitem,
  .page-products .ps-step,
  .page-products .ps-link {
    transition: none;
  }

  .page-products .ps-railitem:hover,
  .page-products .ps-railitem:focus-visible,
  .page-products .ps-step:hover,
  .page-products .ps-step:focus-within {
    transform: none;
  }
}