.page-products {
  --psd-gap: clamp(16px, 2.6vw, 26px);
  --psd-line: rgba(51, 64, 77, .75);
  --psd-panel-bg: linear-gradient(162deg, #1B232C 0%, #171E26 58%, #121820 100%);
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-products section.section {
  padding-block: clamp(46px, 7vw, 92px);
}

.page-products .psd-card {
  position: relative;
  background: var(--psd-panel-bg);
  border: 1px solid var(--psd-line);
  padding: clamp(18px, 2.6vw, 28px);
}

.page-products .psd-card a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 185, 201, .35);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-products .psd-card a:hover {
  color: var(--gold-light);
  border-bottom-color: rgba(232, 206, 138, .6);
}

/* ---------- 首屏 ---------- */
.page-products .psd-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 32px) 0 clamp(34px, 5vw, 62px);
  background:
    radial-gradient(115% 85% at 84% -6%, rgba(198, 161, 91, .18), transparent 56%),
    radial-gradient(90% 70% at 4% 104%, rgba(143, 185, 201, .12), transparent 62%),
    linear-gradient(180deg, #0A0F15 0%, var(--ink-900) 78%);
}

.page-products .psd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(51, 64, 77, .30) 1px, transparent 1px);
  background-size: clamp(52px, 8vw, 104px) 100%;
  opacity: .55;
  pointer-events: none;
}

.page-products .psd-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .psd-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-products .psd-hero__code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--gold);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(198, 161, 91, .35);
}

.page-products .psd-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -.025em;
  color: var(--text-strong);
}

.page-products .psd-hero__h1tail {
  display: block;
  margin-top: 6px;
  font-size: .68em;
  letter-spacing: -.01em;
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .psd-hero__intro {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--text);
}

.page-products .psd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-products .psd-aside__title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-products .psd-aside__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .psd-aside__list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--psd-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .psd-aside__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gold);
  padding-top: 3px;
}

.page-products .psd-aside__foot {
  margin: 18px 0 0;
}

.page-products .psd-metrics {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: clamp(16px, 2.2vw, 22px) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 12px;
  border-top: 1px solid var(--line-500);
}

.page-products .psd-metrics li {
  display: grid;
  gap: 6px;
}

.page-products .psd-metrics__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  color: var(--gold-light);
  letter-spacing: .02em;
}

.page-products .psd-metrics__label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

/* ---------- 目录条 ---------- */
.page-products .psd-railbar {
  background: rgba(15, 20, 26, .92);
  border-top: 1px solid var(--psd-line);
  border-bottom: 1px solid var(--psd-line);
}

.page-products .psd-rail {
  position: static;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 9px 0;
  scrollbar-width: thin;
}

.page-products .psd-rail .index-rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-products .psd-rail .index-rail__link:hover {
  color: var(--gold-light);
  border-color: var(--psd-line);
  background: rgba(35, 44, 54, .6);
}

.page-products .psd-rail .index-rail__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 双面板 ---------- */
.page-products .psd-grid {
  display: grid;
  gap: var(--psd-gap);
  margin-top: clamp(22px, 3.4vw, 38px);
}

.page-products .psd-panel {
  display: flex;
  flex-direction: column;
}

.page-products .psd-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 68px;
  height: 2px;
  background: var(--gold-grad);
}

.page-products .psd-panel__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-products .psd-panel__code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .psd-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text-strong);
}

.page-products .psd-panel__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .psd-panel__foot {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 分段切换 ---------- */
.page-products .psd-switch {
  position: relative;
  margin-top: 18px;
}

.page-products .psd-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
}

.page-products .psd-switch__tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--psd-line);
  border-radius: 2px;
  background: rgba(7, 9, 12, .55);
}

.page-products .psd-switch__tabs label {
  padding: 7px 14px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  cursor: pointer;
  transition: color .18s var(--ease), background .18s var(--ease);
}

.page-products .psd-switch__tabs label:hover {
  color: var(--text-strong);
}

.page-products .psd-switch__input:nth-of-type(1):checked ~ .psd-switch__tabs > label:nth-child(1),
.page-products .psd-switch__input:nth-of-type(2):checked ~ .psd-switch__tabs > label:nth-child(2) {
  background: var(--gold-grad);
  color: #12161B;
  font-weight: 700;
}

.page-products .psd-switch__input:nth-of-type(1):focus-visible ~ .psd-switch__tabs > label:nth-child(1),
.page-products .psd-switch__input:nth-of-type(2):focus-visible ~ .psd-switch__tabs > label:nth-child(2) {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-products .psd-switch__panels {
  margin-top: 14px;
}

.page-products .psd-switch__panel {
  display: none;
}

.page-products .psd-switch__input:nth-of-type(1):checked ~ .psd-switch__panels > .psd-switch__panel:nth-child(1),
.page-products .psd-switch__input:nth-of-type(2):checked ~ .psd-switch__panels > .psd-switch__panel:nth-child(2) {
  display: block;
}

/* ---------- 行列表 ---------- */
.page-products .psd-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .psd-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 11px 0;
  border-top: 1px solid rgba(51, 64, 77, .55);
}

.page-products .psd-row:first-child {
  border-top-color: rgba(51, 64, 77, .9);
}

.page-products .psd-row__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
  padding-top: 3px;
}

.page-products .psd-row__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
}

.page-products .psd-row__text {
  grid-column: 2;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 图片 ---------- */
.page-products .psd-figure {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  overflow: hidden;
  border: 1px solid var(--psd-line);
  border-radius: 2px;
  background: var(--ink-800);
}

.page-products .psd-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .psd-figure--wide {
  margin-top: clamp(24px, 3.6vw, 40px);
}

/* ---------- 共建 ---------- */
.page-products .psd-split {
  display: grid;
  gap: var(--psd-gap);
  margin-top: clamp(22px, 3.2vw, 34px);
}

.page-products .psd-split__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
  max-width: 46ch;
}

.page-products .psd-split__text a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 185, 201, .4);
}

.page-products .psd-split__text a:hover {
  color: var(--gold-light);
}

.page-products .psd-catalog {
  border-top: 1px solid var(--psd-line);
}

/* ---------- 流程 ---------- */
.page-products .psd-flow {
  list-style: none;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .psd-step {
  position: relative;
  padding: 18px 0 0;
  border-top: 2px solid var(--psd-line);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-products .psd-step:hover {
  transform: translateY(-3px);
  border-top-color: var(--gold);
}

.page-products .psd-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-products .psd-step__title {
  margin: 12px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-strong);
}

.page-products .psd-step__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 场景 ---------- */
.page-products .psd-scenes-wrap {
  display: grid;
  gap: var(--psd-gap);
  margin-top: clamp(22px, 3.2vw, 34px);
}

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

.page-products .psd-scene {
  padding: 16px 18px;
  background: rgba(23, 30, 38, .62);
  border-left: 2px solid var(--line-500);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .psd-scene:hover {
  border-left-color: var(--gold);
  background: rgba(35, 44, 54, .78);
}

.page-products .psd-scene__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-strong);
}

.page-products .psd-scene__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .psd-scene__link {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 185, 201, .35);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-products .psd-scene__link:hover {
  color: var(--gold-light);
  border-bottom-color: rgba(232, 206, 138, .6);
}

/* ---------- 适配清单 ---------- */
.page-products .psd-check-wrap {
  display: grid;
  gap: var(--psd-gap);
  margin-top: clamp(22px, 3.2vw, 34px);
}

.page-products .psd-check {
  display: grid;
  gap: 8px;
}

.page-products .psd-check__item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  background: rgba(23, 30, 38, .72);
  border: 1px solid var(--psd-line);
  cursor: pointer;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-products .psd-check__item:hover {
  border-color: rgba(198, 161, 91, .45);
}

.page-products .psd-check__item:has(.psd-check__box:checked) {
  border-color: rgba(198, 161, 91, .7);
  background: rgba(198, 161, 91, .08);
}

.page-products .psd-check__box {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  border: 1px solid var(--line-500);
  border-radius: 2px;
  background: rgba(7, 9, 12, .8);
  cursor: pointer;
  transition: background .16s var(--ease), border-color .16s var(--ease);
}

.page-products .psd-check__box:checked {
  background: var(--gold-grad);
  border-color: var(--gold);
}

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

.page-products .psd-check__label {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  transition: color .16s var(--ease);
}

.page-products .psd-check__label b {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-products .psd-check__box:checked ~ .psd-check__label {
  color: var(--text-strong);
}

.page-products .psd-check__state {
  display: none;
  margin: 14px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--ice);
  background: rgba(143, 185, 201, .08);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

.page-products .psd-check__state--idle {
  display: block;
  border-left-color: var(--line-500);
  background: rgba(35, 44, 54, .6);
  color: var(--muted);
}

.page-products .psd-checklist:has(.psd-check__box:checked) .psd-check__state--idle {
  display: none;
}

.page-products .psd-checklist:has(.psd-check__box:checked):has(.psd-check__box:not(:checked)) .psd-check__state--doing {
  display: block;
}

.page-products .psd-checklist:not(:has(.psd-check__box:not(:checked))) .psd-check__state--done {
  display: block;
  border-left-color: var(--gold);
  background: rgba(198, 161, 91, .1);
  color: var(--gold-light);
}

/* ---------- 结尾 ---------- */
.page-products .psd-cta-section {
  padding-block: clamp(40px, 6vw, 80px) clamp(52px, 8vw, 100px);
}

.page-products .psd-cta {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  background:
    linear-gradient(135deg, rgba(198, 161, 91, .16) 0%, rgba(23, 30, 38, .94) 46%, rgba(15, 20, 26, .96) 100%);
  border-color: rgba(198, 161, 91, .34);
}

.page-products .psd-cta__code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-products .psd-cta__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.25;
  color: var(--text-strong);
}

.page-products .psd-cta__text {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .psd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .psd-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-products .psd-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .psd-step {
    padding-right: clamp(14px, 2vw, 26px);
  }

  .page-products .psd-cta {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .psd-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 920px) {
  .page-products .psd-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

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

  .page-products .psd-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    align-items: start;
  }

  .page-products .psd-scenes-wrap {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-products .psd-check-wrap {
    grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .psd-figure--side,
  .page-products .psd-figure--tall {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .psd-step,
  .page-products .psd-scene,
  .page-products .psd-check__item,
  .page-products .psd-check__label,
  .page-products .psd-rail .index-rail__link {
    transition: none;
  }

  .page-products .psd-step:hover {
    transform: none;
  }
}