.page-products {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--line);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: -220px -120px;
  background-image:
    repeating-linear-gradient(90deg, rgba(23, 230, 200, .07) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(23, 230, 200, .05) 0 1px, transparent 1px 92px);
  transform: rotate(-4deg);
  transform-origin: center;
  pointer-events: none;
  z-index: 0;
}

.page-products .pp-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .pp-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-products .breadcrumb__item a {
  color: var(--mute);
  text-decoration: none;
}

.page-products .breadcrumb__item a:hover {
  color: var(--cyan);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: 32px;
}

.page-products .pp-hero__title {
  font-family: var(--font-head);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 0.98;
  margin: 14px 0 20px;
  max-width: 20ch;
  text-wrap: balance;
}

.page-products .pp-hero__lead .lede {
  max-width: 52ch;
  color: var(--mute);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-products .pp-hero__aside {
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  padding: 18px 20px 16px;
}

.page-products .pp-hero__asideTitle {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-products .pp-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pp-toc a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 6px;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid rgba(159, 179, 172, .18);
  transition: color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
}

.page-products .pp-toc a:hover {
  color: var(--cyan);
  background: rgba(23, 230, 200, .08);
}

.page-products .pp-toc .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  min-width: 2.4ch;
}

/* ---------- 通用小节头 ---------- */
.page-products .pp-head {
  margin-bottom: 26px;
}

.page-products .pp-head__note {
  color: var(--mute);
  max-width: 58ch;
  margin: 8px 0 0;
}

.page-products .display-2 {
  font-family: var(--font-head);
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 10px 0 0;
  max-width: 24ch;
}

/* ---------- 三栏设备对照 ---------- */
.page-products .pp-paths {
  display: grid;
  gap: 20px;
  margin-top: 8px;
  align-items: start;
}

.page-products .pp-path {
  position: relative;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-top: 4px solid var(--cyan);
  box-shadow: var(--shadow-hard);
  padding: 20px 18px 22px;
}

.page-products .pp-path:nth-child(2) {
  border-top-color: var(--orange);
}

.page-products .pp-path:nth-child(3) {
  border-top-color: var(--mute);
}

.page-products .pp-path__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .pp-path:nth-child(2) .pp-path__num {
  color: var(--orange);
}

.page-products .pp-path:nth-child(3) .pp-path__num {
  color: var(--mute);
}

.page-products .pp-path__text {
  margin: 10px 0 0;
  color: var(--mute);
  font-size: 15px;
}

.page-products .pp-path__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
}

.page-products .pp-path__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
}

/* ---------- 步骤条 ---------- */
.page-products .pp-steps {
  border-top: 2px solid var(--line);
  margin-top: 4px;
}

.page-products .pp-step {
  border-bottom: 2px solid var(--line);
}

.page-products .pp-step__summary {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur-1) var(--ease);
}

.page-products .pp-step__summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-step__summary:hover .pp-step__title {
  color: var(--cyan);
}

.page-products .pp-step__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1;
  color: var(--cyan);
  min-width: 2.6ch;
  letter-spacing: -0.02em;
}

.page-products .pp-step[open] .pp-step__num {
  color: var(--orange);
}

.page-products .pp-step__title {
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  transition: color var(--dur-1) var(--ease);
}

.page-products .pp-step__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--mute);
  line-height: 1;
}

.page-products .pp-step[open] .pp-step__summary::after {
  content: "–";
  color: var(--orange);
}

.page-products .pp-step__body {
  padding: 0 0 24px;
}

.page-products .pp-step__body p {
  margin: 0;
  color: var(--mute);
}

/* ---------- 分栏 ---------- */
.page-products .pp-split {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-products .pp-split__body p {
  max-width: 58ch;
}

.page-products .pp-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-list li {
  border-left: 2px solid var(--line);
  padding-left: 14px;
  color: var(--mute);
  font-size: 15.5px;
}

.page-products .pp-list__key {
  display: inline-block;
  min-width: 4.2ch;
  margin-right: 10px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-products .pp-ctaLine {
  margin-top: 22px;
  font-size: 14.5px;
  color: var(--mute);
}

.page-products .pp-ctaLine .text-link {
  color: var(--cyan);
}

/* ---------- 截图容器 ---------- */
.page-products .pp-shot {
  position: relative;
  margin: 0;
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-products .pp-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pp-shot--tall {
  aspect-ratio: 1 / 2;
  max-width: 340px;
}

.page-products .pp-shot--wide {
  aspect-ratio: 3 / 2;
}

.page-products .pp-shot--page {
  aspect-ratio: 8 / 5;
}

.page-products .pp-shot__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--ink);
  color: var(--cyan);
  border-top: 2px solid var(--line);
  border-right: 2px solid var(--line);
  padding: 6px 12px;
  font-size: 11px;
  letter-spacing: .1em;
}

/* ---------- 复制行 ---------- */
.page-products .pp-copyRow {
  margin-top: 20px;
  border: 2px solid var(--line);
  background: var(--ink-3);
  padding: 14px 16px;
  box-shadow: var(--shadow-soft);
}

.page-products .pp-copyRow__url {
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--cyan);
  word-break: break-all;
}

/* ---------- 横向滑动卡片 ---------- */
.page-products .pp-swipe {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 18px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pp-swipe > * {
  flex: 0 0 min(84%, 320px);
  scroll-snap-align: start;
  padding: 20px 18px;
  border: 2px solid var(--line);
}

.page-products .pp-swipe .card__num {
  margin: 0 0 10px;
  color: var(--orange);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-products .pp-swipe .card__title {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 21px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.page-products .pp-swipe .card__text {
  margin: 0;
  font-size: 14.5px;
  color: var(--mute);
}

/* ---------- 提醒区 ---------- */
.page-products .pp-alert {
  display: grid;
  gap: 30px;
  margin-top: 34px;
  padding-top: 34px;
  border-top: 2px solid var(--line);
}

.page-products .pp-alert__title {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-products .pp-metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding: 16px 18px;
  border: 2px solid var(--line);
  border-left: 6px solid var(--orange);
  background: var(--ink-3);
  box-shadow: var(--shadow-soft);
}

.page-products .pp-metric__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1;
  color: var(--orange);
  letter-spacing: -0.02em;
}

.page-products .pp-metric__unit {
  font-size: 13px;
  color: var(--orange);
  letter-spacing: .1em;
}

.page-products .pp-metric__label {
  font-size: 13.5px;
  color: var(--mute);
  flex: 1 1 180px;
}

.page-products .pp-disclaimer {
  margin-top: 16px;
  font-size: 13px;
  color: var(--mute);
  border-left: 2px solid var(--red);
  padding-left: 12px;
}

/* ---------- 索引纸色区 ---------- */
.page-products .section--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-products .section--paper .display-2 {
  color: var(--ink);
}

.page-products .section--paper .eyebrow {
  color: var(--ink-mute-on-paper);
}

.page-products .section--paper p {
  color: var(--ink);
}

.page-products .section--paper .pp-shot {
  border-color: var(--ink);
  box-shadow: 6px 6px 0 rgba(11, 18, 16, .22);
}

.page-products .section--paper .pp-ctaLine {
  color: var(--ink-mute-on-paper);
}

.page-products .section--paper .text-link {
  color: var(--cyan-on-paper);
}

.page-products .pp-stats {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
}

.page-products .pp-stat {
  border-left: 4px solid var(--cyan-on-paper);
  padding-left: 14px;
}

.page-products .pp-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-products .pp-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-mute-on-paper);
}

/* ---------- 出口门 ---------- */
.page-products .pp-doors {
  display: grid;
  gap: 14px;
}

.page-products .pp-door {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 2px solid var(--line);
  background: var(--ink-2);
  padding: 20px 18px;
  text-decoration: none;
  color: var(--paper);
  transition: transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-products .pp-door:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
  border-color: var(--cyan);
}

.page-products .pp-door__label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.01em;
}

.page-products .pp-door__hint {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-products .pp-contactLine {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 2px solid var(--line);
  font-size: 14.5px;
  color: var(--mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pp-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-products .pp-swipe > * {
    flex: 0 0 340px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .pp-hero {
    padding-top: 56px;
  }

  .page-products .pp-path:nth-child(1) {
    margin-top: 0;
  }

  .page-products .pp-path:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .pp-path:nth-child(3) {
    margin-top: 52px;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-products .pp-split--flip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pp-alert {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .pp-step__body {
    padding-left: calc(2.6ch + 16px);
    max-width: 64ch;
  }
}

@media (min-width: 1180px) {
  .page-products .pp-path {
    padding: 24px 22px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-toc a,
  .page-products .pp-door,
  .page-products .pp-step__summary,
  .page-products .pp-step__title {
    transition: none;
  }

  .page-products .pp-door:hover {
    transform: none;
  }
}