.page-products {
  --pp-hair: rgba(11, 34, 57, .14);
  --pp-hair-soft: rgba(11, 34, 57, .08);
  --pp-hair-dark: rgba(199, 208, 216, .22);
  --pp-shadow: rgba(11, 34, 57, .09);
  --pp-shadow-deep: rgba(6, 23, 38, .55);
  display: block;
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-products__crumbs-wrap {
  padding-top: clamp(12px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.pp-hero {
  padding-block: clamp(16px, 2.6vw, 30px) clamp(44px, 7vw, 90px);
}

.pp-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.pp-hero__text {
  max-width: 44rem;
}

.pp-hero__text .eyebrow {
  margin: 0 0 14px;
  color: var(--stone);
  font-size: var(--step-1);
  letter-spacing: .18em;
}

.pp-hero__text h1 {
  margin: 0 0 20px;
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 54px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: .02em;
}

.pp-hero__lead {
  margin: 0 0 24px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.78;
}

.pp-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
  margin: 0 0 28px;
  border-top: 1px solid var(--pp-hair);
  border-bottom: 1px solid var(--pp-hair);
}

.pp-hero__fact {
  padding: 14px 18px 14px 0;
}

.pp-hero__fact + .pp-hero__fact {
  padding-left: 18px;
  border-left: 1px solid var(--pp-hair);
}

.pp-hero__fact dt {
  color: var(--stone);
  font-size: var(--step-1);
  letter-spacing: .12em;
  margin-bottom: 6px;
}

.pp-hero__fact dd {
  margin: 0;
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: var(--step-4);
  letter-spacing: .02em;
}

.pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pp-hero__visual {
  position: relative;
  min-height: 280px;
  aspect-ratio: 4 / 3.4;
  background-color: var(--abyss);
  background-image:
    linear-gradient(rgba(199, 208, 216, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 208, 216, .1) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  border: 1px solid var(--abyss);
  overflow: hidden;
}

.pp-hero__scale {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--aurora) 0%, var(--aurora) 46%, var(--coral) 46%, var(--coral) 100%);
  opacity: .85;
}

.pile {
  position: absolute;
  inset: 13% 11% 14%;
}

.pile__sheet {
  position: absolute;
  inset: 0;
  display: block;
  box-shadow: 0 22px 34px -22px var(--pp-shadow-deep);
}

.pile__sheet--back {
  background: #D8D7D0;
  transform: translate(16px, 18px) rotate(1.8deg);
}

.pile__sheet--mid {
  background: #E7E6E0;
  transform: translate(8px, 9px) rotate(.9deg);
}

.pile__sheet--front {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--paper-2);
}

.pile__code {
  color: var(--stone);
  font-size: var(--step-1);
  letter-spacing: .16em;
}

.pile__title {
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  letter-spacing: .06em;
}

.pile__rule {
  height: 6px;
  background: rgba(11, 34, 57, .1);
}

.pile__rule--short {
  width: 62%;
}

.pile__badge {
  margin-top: auto;
  align-self: flex-start;
  padding: 6px 12px;
  background: var(--abyss);
  color: var(--aurora);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .14em;
}

/* ---------- 资源一览 ---------- */
.pp-downloads__figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.pp-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.pp-res-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 1.6vw, 20px);
}

.res-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px 20px 22px;
  background: var(--paper-2);
  border: 1px solid var(--pp-hair);
  border-left: 3px solid var(--stone);
  box-shadow: 6px 8px 0 -3px var(--pp-shadow-soft, rgba(11, 34, 57, .07));
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.res-card:hover,
.res-card:focus-within {
  transform: translateY(-4px) rotate(-.3deg);
  border-color: var(--abyss);
  box-shadow: 0 0 0 1px var(--abyss), 8px 14px 0 -4px rgba(11, 34, 57, .12);
}

.res-card__code {
  color: var(--stone);
  font-size: var(--step-1);
  letter-spacing: .16em;
}

.res-card__name {
  margin: 0;
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: var(--step-3);
  letter-spacing: .04em;
}

.res-card__fmt {
  margin: 0;
  color: var(--ink-mute);
  font-size: var(--step-1);
  letter-spacing: .08em;
}

.res-card__use {
  margin: 4px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--pp-hair);
  color: var(--ink-soft);
  font-size: var(--step-2);
  line-height: 1.6;
}

.res-card[data-kind="case"] { border-left-color: var(--coral); }
.res-card[data-kind="guide"] { border-left-color: var(--moss); }
.res-card[data-kind="template"] { border-left-color: var(--aurora); }
.res-card[data-kind="data"] { border-left-color: var(--mineral); }
.res-card[data-kind="material"] { border-left-color: var(--terracotta); }
.res-card[data-kind="table"] { border-left-color: var(--abyss); }
.res-card[data-kind="read"] { border-left-color: var(--stone); }

/* ---------- 版本时间线 ---------- */
.pp-versions .section-head__title,
.pp-versions .section-head__note,
.pp-versions .section-head__code {
  color: var(--paper);
}

.pp-versions .section-head__note {
  color: var(--silver);
}

.pp-timeline {
  display: flex;
  gap: clamp(14px, 2vw, 22px);
  overflow-x: auto;
  padding: 6px 2px 22px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.pp-timeline:focus-visible {
  outline: 2px solid var(--aurora);
  outline-offset: 4px;
}

.pp-tl {
  position: relative;
  flex: 0 0 min(310px, 78vw);
  align-self: flex-start;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 18px;
  background: rgba(242, 241, 236, .04);
  border: 1px solid var(--pp-hair-dark);
}

.pp-tl::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 20px;
  width: 26px;
  height: 3px;
  background: var(--aurora);
}

.pp-tl--focus {
  background: rgba(255, 107, 74, .08);
  border-color: rgba(255, 107, 74, .6);
}

.pp-tl--focus::before {
  background: var(--coral);
  width: 44px;
}

.pp-tl__ver {
  color: var(--aurora);
  font-size: var(--step-2);
  letter-spacing: .18em;
}

.pp-tl--focus .pp-tl__ver {
  color: var(--coral);
}

.pp-tl__title {
  margin: 0;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.4;
  letter-spacing: .03em;
}

.pp-tl__body {
  margin: 0;
  color: var(--silver);
  font-size: var(--step-2);
  line-height: 1.72;
}

.pp-tl__fold {
  margin-top: 6px;
  border-top: 1px solid var(--pp-hair-dark);
}

.pp-tl__fold .fold__button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 0;
  background: none;
  border: 0;
  color: var(--aurora);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .14em;
  text-align: left;
  cursor: pointer;
}

.pp-tl__fold .fold__index {
  flex: 1;
}

.pp-tl__fold .fold__arrow {
  display: inline-block;
  transition: transform 200ms ease;
}

.pp-tl__fold .fold__panel {
  overflow: hidden;
  height: 0;
  transition: height 200ms ease;
}

.pp-tl__fold .fold__panel-inner {
  padding: 0 0 14px;
  color: var(--silver);
  font-size: var(--step-2);
  line-height: 1.72;
}

.pp-tl__fold .fold__panel-inner p {
  margin: 0;
}

/* ---------- 站内索引 ---------- */
.pp-index__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.idx-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.idx-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 20px 22px;
  background: var(--paper-2);
  border: 1px solid var(--pp-hair);
}

.idx-step__no {
  color: var(--aurora);
  background: var(--abyss);
  padding: 4px 10px;
  height: fit-content;
  font-size: var(--step-1);
  letter-spacing: .14em;
}

.idx-step__title {
  margin: 0 0 8px;
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: var(--step-3);
  letter-spacing: .04em;
}

.idx-step__body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.pp-index__figure {
  margin: 0;
}

/* ---------- 使用场景 ---------- */
.pp-scenes__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.scene-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 20px;
  background: var(--paper);
  transition: background 200ms ease;
}

.scene-item:hover {
  background: var(--paper-2);
}

.scene-item__no {
  color: var(--terracotta);
  font-size: var(--step-1);
  letter-spacing: .14em;
  padding-top: 4px;
}

.scene-item__name {
  margin: 0 0 5px;
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: var(--step-3);
  letter-spacing: .04em;
}

.scene-item p {
  margin: 0;
  color: var(--ink-mute);
  font-size: var(--step-2);
  line-height: 1.7;
}

.pp-scenes__figure {
  margin: 0;
}

/* ---------- 获取流程 ---------- */
.pp-flow__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  counter-reset: flow;
}

.flow-step {
  position: relative;
  padding-left: 62px;
}

.flow-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 34px;
  bottom: -28px;
  width: 1px;
  background: var(--pp-hair);
}

.flow-step:last-child::before {
  display: none;
}

.flow-step__no {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--paper);
  border: 1px solid var(--abyss);
  color: var(--abyss);
  font-size: var(--step-2);
  letter-spacing: .08em;
}

.flow-step__title {
  margin: 6px 0 8px;
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: var(--step-4);
  letter-spacing: .03em;
}

.flow-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.pp-flow__figure {
  margin: 0;
}

/* ---------- 下载疑问 ---------- */
.pp-fold {
  display: grid;
  gap: 10px;
}

.pp-fold .fold {
  background: var(--paper-2);
  border: 1px solid var(--pp-hair);
}

.pp-fold .fold__button {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  background: none;
  border: 0;
  color: var(--abyss);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.pp-fold .fold__index {
  flex: 0 0 auto;
  color: var(--stone);
  font-size: var(--step-1);
  letter-spacing: .12em;
}

.pp-fold .fold__label {
  flex: 1;
}

.pp-fold .fold__arrow {
  flex: 0 0 auto;
  color: var(--coral);
  font-size: var(--step-3);
  transition: transform 200ms ease;
}

.pp-fold .fold__panel {
  overflow: hidden;
  height: 0;
  transition: height 200ms ease;
}

.pp-fold .fold__panel-inner {
  padding: 0 20px 20px 56px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.78;
}

.pp-fold .fold__panel-inner p {
  margin: 0;
}

.pp-qa__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 后续入口 ---------- */
.pp-next {
  border-top: 1px solid var(--pp-hair);
}

.pp-next__inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.pp-next__title {
  margin: 0 0 14px;
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: .03em;
}

.pp-next__lead p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.78;
}

.pp-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.pp-next__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  background: var(--paper);
  color: var(--abyss);
  font-family: var(--font-display);
  font-size: var(--step-3);
  letter-spacing: .04em;
  text-decoration: none;
  transition: background 200ms ease, color 200ms ease, padding-left 200ms ease;
}

.pp-next__link span {
  color: var(--stone);
  font-size: var(--step-1);
  letter-spacing: .12em;
}

.pp-next__link:hover,
.pp-next__link:focus-visible {
  background: var(--abyss);
  color: var(--paper);
  padding-left: 24px;
}

.pp-next__link:hover span,
.pp-next__link:focus-visible span {
  color: var(--aurora);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .pp-res-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .pp-hero__inner {
    grid-template-columns: 7fr 5fr;
  }

  .pp-res-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pp-index__inner {
    grid-template-columns: 6fr 5fr;
  }

  .pp-scenes__inner {
    grid-template-columns: 7fr 5fr;
  }

  .pp-flow__inner {
    grid-template-columns: 6fr 6fr;
  }

  .pp-next__inner {
    grid-template-columns: 6fr 5fr;
  }
}

@media (min-width: 1180px) {
  .pp-res-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (max-width: 480px) {
  .pp-hero__fact + .pp-hero__fact {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--pp-hair);
  }

  .pp-tl {
    flex-basis: 84vw;
  }

  .flow-step {
    padding-left: 54px;
  }

  .flow-step__no {
    width: 38px;
    height: 38px;
  }

  .flow-step::before {
    left: 19px;
    top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .res-card,
  .scene-item,
  .pp-next__link,
  .pp-tl__fold .fold__arrow,
  .pp-fold .fold__arrow,
  .pp-tl__fold .fold__panel,
  .pp-fold .fold__panel {
    transition: none !important;
  }
}

.page-products {
  --pp-shadow-soft: var(--pp-shadow);
}