.page-products {
  --ps-rail: 100px;
  --ps-gold-line: rgba(255, 164, 27, 0.55);
  padding-bottom: clamp(48px, 8vw, 110px);
}

.page-products .ps-crumb {
  padding-top: clamp(16px, 3vw, 30px);
}

/* 首屏框景 */
.page-products .ps-hero {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(24px, 4.5vw, 58px);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(255, 164, 27, 0.13), transparent 62%),
    linear-gradient(180deg, rgba(14, 20, 36, 0.92), rgba(7, 10, 20, 0.55));
}

.page-products .ps-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-products .ps-hero__title {
  margin: 12px 0 0;
  font-size: clamp(1.9rem, 6.4vw, 4rem);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: 0.04em;
  color: var(--ivory);
  max-width: 20em;
}

.page-products .ps-hero__lead {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .ps-hero__facts {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
}

.page-products .ps-hero__facts li {
  display: grid;
  grid-template-columns: minmax(3.4em, auto) 1fr;
  gap: 14px;
  align-items: baseline;
}

.page-products .ps-hero__num {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .ps-hero__label {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--silver);
}

.page-products .ps-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 章节通用 */
.page-products .ps-section {
  margin-top: clamp(56px, 9vw, 126px);
  scroll-margin-top: calc(var(--rail-h) + 24px);
}

.page-products .ps-head {
  display: grid;
  gap: 8px 20px;
  align-items: baseline;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .ps-head .section-sub {
  margin: 0;
  max-width: 58ch;
  color: var(--silver);
  line-height: 1.85;
  font-size: 0.96rem;
}

/* 版本时间轴 */
.page-products .ps-band {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
}

.page-products .ps-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-products .ps-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(255, 164, 27, 0.06));
}

.page-products .ps-node {
  position: relative;
  padding-left: 34px;
}

.page-products .ps-node + .ps-node {
  margin-top: 14px;
}

.page-products .ps-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--gold);
  box-shadow: 0 0 0 5px rgba(255, 164, 27, 0.08);
  transition: background 0.24s ease, box-shadow 0.24s ease;
}

.page-products .ps-node:has(.ps-node__box[open])::before {
  background: var(--gold);
  box-shadow: 0 0 0 7px rgba(255, 164, 27, 0.14);
}

.page-products .ps-node__scale {
  display: none;
}

.page-products .ps-node__box {
  position: relative;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.24s ease;
}

.page-products .ps-node__box:hover {
  border-color: var(--ps-gold-line);
}

.page-products .ps-node__box[open] {
  border-color: var(--ps-gold-line);
  background: var(--panel-2);
}

.page-products .ps-node__head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

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

.page-products .ps-node__ver {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .ps-node__title {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--ivory);
}

.page-products .ps-node__tag {
  justify-self: end;
}

.page-products .ps-node__body {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--silver);
}

/* 分区收敛 */
.page-products .ps-converge {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-products .ps-converge__text p {
  margin: 0 0 16px;
  color: var(--silver);
  line-height: 1.9;
}

.page-products .ps-checks {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .ps-checks li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 14px 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-products .ps-checks li::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-products .ps-converge__figure {
  margin: 0 0 18px;
}

.page-products .ps-diagram {
  display: block;
  width: 100%;
  height: auto;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-products .ps-diagram__cap {
  fill: var(--silver);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-products .ps-diagram rect {
  fill: rgba(111, 227, 255, 0.1);
  stroke: rgba(111, 227, 255, 0.45);
  stroke-width: 1;
}

.page-products .ps-diagram__spine {
  stroke: var(--gold);
  stroke-width: 2;
}

.page-products .ps-diagram__dot {
  fill: var(--gold);
}

.page-products .ps-diagram__tick {
  stroke: rgba(255, 164, 27, 0.4);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}

/* 两端对照 */
.page-products .ps-compare {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
}

.page-products .ps-compare__main {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

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

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

.page-products .ps-tablewrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-products .ps-tablewrap:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-products .ps-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 0.93rem;
}

.page-products .ps-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 14px 18px;
  text-align: left;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--ivory);
}

.page-products .ps-table tbody th,
.page-products .ps-table tbody td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
}

.page-products .ps-table tbody th {
  color: var(--ivory);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .ps-table tbody td {
  color: var(--silver);
}

.page-products .ps-table tbody tr:nth-child(even) {
  background: rgba(18, 26, 46, 0.55);
}

.page-products .ps-table tbody tr:hover {
  background: rgba(255, 164, 27, 0.07);
}

/* 第 2 栏固定位置 */
.page-products .ps-slot {
  display: grid;
  gap: clamp(20px, 3vw, 42px);
  padding: clamp(22px, 3.6vw, 40px);
  background:
    linear-gradient(125deg, rgba(122, 92, 255, 0.12), rgba(255, 164, 27, 0.09));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-products .ps-slot__text p {
  margin: 0 0 15px;
  color: var(--silver);
  line-height: 1.9;
}

.page-products .ps-slot__meta {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-products .ps-slot__meta dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--ice);
}

.page-products .ps-slot__meta dd {
  margin: 6px 0 0;
  color: var(--ivory);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* 五阶段 */
.page-products .ps-bracket__figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-products .ps-bracket {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .ps-stage {
  position: relative;
  padding: 20px 20px 20px 84px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.24s ease, transform 0.24s ease;
}

.page-products .ps-stage:hover {
  border-color: var(--ps-gold-line);
  transform: translateX(6px);
}

.page-products .ps-stage__no {
  position: absolute;
  left: 20px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-products .ps-stage__name {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-products .ps-stage__desc {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .ps-inline-link {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-products .ps-inline-link a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 227, 255, 0.45);
}

.page-products .ps-inline-link a:hover {
  border-bottom-color: var(--ice);
}

/* 速判 */
.page-products .ps-pick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .ps-pick li {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.24s ease, transform 0.24s ease;
}

.page-products .ps-pick li:hover {
  border-color: var(--ps-gold-line);
  transform: translateY(-4px);
}

.page-products .ps-pick__key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .ps-pick p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-products .ps-pick a {
  color: var(--ice);
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 227, 255, 0.4);
  justify-self: start;
}

.page-products .ps-pick a:hover {
  border-bottom-color: var(--ice);
}

.page-products .ps-help {
  margin-top: clamp(22px, 3vw, 32px);
  padding: 22px clamp(18px, 3vw, 30px);
  display: grid;
  gap: 16px;
  background: rgba(14, 20, 36, 0.65);
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
}

.page-products .ps-help p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .ps-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 图片容器兜底 */
.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-products .ps-head {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-products .ps-head .section-sub {
    grid-column: 2;
  }

  .page-products .ps-pick {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .ps-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr);
    align-items: start;
  }

  .page-products .ps-hero__facts {
    padding: 0 0 0 30px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-products .ps-hero__facts li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  /* 时间轴双轨：左侧版本号刻度 */
  .page-products .ps-timeline::before {
    left: 100px;
    top: 20px;
    bottom: 20px;
  }

  .page-products .ps-node {
    padding-left: 136px;
  }

  .page-products .ps-node + .ps-node {
    margin-top: 16px;
  }

  .page-products .ps-node::before {
    left: 93px;
    top: 30px;
  }

  .page-products .ps-node__scale {
    display: block;
    position: absolute;
    left: 0;
    top: 30px;
    width: 80px;
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--gold);
  }

  .page-products .ps-node__ver {
    display: none;
  }

  .page-products .ps-node__head {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-products .ps-node__box {
    padding: 20px 24px;
  }

  .page-products .ps-converge {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .ps-compare {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
    align-items: start;
  }

  .page-products .ps-slot {
    grid-template-columns: minmax(0, 1.3fr) minmax(240px, 1fr);
    align-items: start;
  }

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

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

@media (min-width: 1200px) {
  .page-products .ps-bracket {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .ps-node__box,
  .page-products .ps-node::before,
  .page-products .ps-stage,
  .page-products .ps-pick li {
    transition: none;
  }

  .page-products .ps-stage:hover,
  .page-products .ps-pick li:hover {
    transform: none;
  }
}