.page-products {
  --pp-accent: var(--blue);
  --pp-accent-soft: rgba(79, 168, 255, .16);
  --pp-hair: 2px solid rgba(143, 167, 154, .24);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(40px, 8vw, 96px) clamp(48px, 9vw, 104px);
  border-bottom: var(--edge);
  background: var(--ink);
}

.page-products .pp-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-products .pp-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.55) contrast(1.12);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(150deg, rgba(11, 31, 23, .94) 0%, rgba(11, 31, 23, .78) 52%, rgba(10, 10, 10, .96) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-products .pp-hero__inner {
  position: relative;
}

.page-products .pp-hero__title {
  margin: 16px 0 20px;
  font-size: clamp(2rem, 7vw, 4.4rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 18ch;
}

.page-products .pp-hero__lede {
  max-width: 58ch;
  color: rgba(242, 233, 216, .82);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pp-hero__facts {
  display: grid;
  gap: 16px;
  margin: 36px 0 0;
  padding: 0;
}

.page-products .pp-fact {
  padding-left: 14px;
  border-left: 2px solid var(--pp-accent);
}

.page-products .pp-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-products .pp-fact dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  letter-spacing: -.02em;
  color: var(--neon);
}

/* ---------- 01 三层结构 ---------- */

.page-products .pp-diagram {
  display: grid;
  gap: 22px;
  margin-top: 40px;
}

.page-products .pp-node {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--ink-2);
  border: var(--edge);
  box-shadow: var(--shadow);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}

.page-products .pp-node:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--pp-accent);
}

.page-products .pp-node__num {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--night);
  background: var(--pp-accent);
  border: 2px solid var(--black);
}

.page-products .pp-node__title {
  margin: 16px 0 8px;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 900;
  color: var(--paper);
}

.page-products .pp-node__q {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-products .pp-node__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .pp-node__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 233, 216, .86);
}

.page-products .pp-node__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--neon);
}

.page-products .pp-layers__aside {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

.page-products .pp-layers__note p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 233, 216, .8);
  max-width: 46ch;
}

.page-products .pp-layers__note .eyebrow {
  margin-bottom: 10px;
  color: var(--pp-accent);
}

/* ---------- 02 目录 ---------- */

.page-products .pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0 24px;
}

.page-products .pp-catlist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--edge);
}

.page-products .pp-cat {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 4px 14px;
  padding: 18px 6px;
  border-bottom: var(--pp-hair);
  transition: background .24s var(--ease), padding-left .24s var(--ease);
}

.page-products .pp-cat:hover {
  background: var(--paper);
  padding-left: 16px;
}

.page-products .pp-cat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--pp-accent);
}

.page-products .pp-cat__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pp-cat__fields,
.page-products .pp-cat__dims {
  margin: 0 0 5px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-products .pp-cat__label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--pp-accent);
  border: 1px solid rgba(79, 168, 255, .5);
}

.page-products .pp-cat:hover .pp-cat__num {
  color: #13375c;
}

.page-products .pp-cat:hover .pp-cat__name,
.page-products .pp-cat:hover .pp-cat__fields,
.page-products .pp-cat:hover .pp-cat__dims {
  color: var(--black);
}

.page-products .pp-cat:hover .pp-cat__label {
  color: #13375c;
  border-color: rgba(19, 55, 92, .4);
}

.page-products .pp-catalog__figure {
  margin: 40px 0 0;
}

/* ---------- 03 友谊赛卡带 ---------- */

.page-products .pp-strip {
  display: flex;
  gap: 18px;
  margin-top: 34px;
  padding: 6px var(--gutter) 30px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pp-strip__card {
  flex: 0 0 min(78vw, 320px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  background: var(--ink-2);
  border: var(--edge);
  border-top: 4px solid var(--pp-accent);
  box-shadow: var(--shadow);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-products .pp-strip__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.page-products .pp-strip__tag {
  align-self: flex-start;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--pp-accent);
  border: 2px solid var(--black);
  background: var(--ink-3);
}

.page-products .pp-strip__title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--paper);
}

.page-products .pp-strip__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 233, 216, .78);
}

.page-products .pp-strip__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(143, 167, 154, .3);
  display: grid;
  gap: 8px;
}

.page-products .pp-strip__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-products .pp-strip__meta dd {
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(242, 233, 216, .88);
}

.page-products .pp-friendlies__foot {
  display: grid;
  gap: 28px;
  margin-top: 18px;
}

.page-products .pp-friendlies__figure {
  margin: 0;
}

.page-products .pp-friendlies__note p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 233, 216, .8);
  max-width: 46ch;
}

.page-products .pp-friendlies__note .eyebrow {
  margin-bottom: 10px;
  color: var(--pp-accent);
}

/* ---------- 04 查询能力 ---------- */

.page-products .pp-query__grid {
  display: grid;
  gap: 22px;
  margin-top: 40px;
}

.page-products .pp-query__card {
  padding: 26px 22px 26px;
  background: var(--ink-2);
  border: var(--edge);
  box-shadow: var(--shadow);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-products .pp-query__card:hover {
  transform: translateY(-4px);
  border-color: var(--pp-accent);
}

.page-products .pp-query__card .eyebrow {
  color: var(--pp-accent);
}

.page-products .pp-query__name {
  margin: 12px 0 12px;
  font-size: clamp(1.3rem, 2.8vw, 1.7rem);
  font-weight: 900;
  color: var(--paper);
}

.page-products .pp-query__text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 233, 216, .8);
}

.page-products .pp-query__fields {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(143, 167, 154, .3);
}

.page-products .pp-query__fields li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 10px 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(242, 233, 216, .86);
  border-bottom: 1px solid rgba(143, 167, 154, .18);
}

.page-products .pp-query__fields li span {
  flex: 0 0 84px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-products .pp-query__figure {
  margin: 36px 0 0;
}

/* ---------- 05 接入方式 ---------- */

.page-products .pp-tabs {
  margin-top: 34px;
}

.page-products .pp-tabs__bar {
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-bottom: var(--edge);
  scrollbar-width: thin;
}

.page-products .pp-tabs__bar .tab {
  flex: 0 0 auto;
  padding: 13px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gray);
  background: transparent;
  border: 0;
  border-bottom: 4px solid transparent;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .pp-tabs__bar .tab[aria-selected="true"] {
  color: var(--night);
  background: var(--pp-accent);
  border-bottom-color: var(--black);
}

.page-products .pp-tabs__bar .tab:hover {
  color: var(--paper);
}

.page-products .pp-tabs__bar .tab[aria-selected="true"]:hover {
  color: var(--night);
}

.page-products .pp-panel {
  padding: 26px 22px 28px;
  margin-top: 22px;
  background: var(--ink-2);
  border: var(--edge);
  box-shadow: var(--shadow);
}

.page-products .pp-panel__title {
  margin: 0 0 14px;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  font-weight: 900;
  color: var(--paper);
}

.page-products .pp-panel__text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 233, 216, .8);
  max-width: 62ch;
}

.page-products .pp-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pp-panel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 233, 216, .9);
}

.page-products .pp-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 8px;
  background: var(--pp-accent);
}

/* ---------- 06 使用场景 ---------- */

.page-products .pp-users__list {
  display: grid;
  gap: 0;
  margin-top: 38px;
  border-top: var(--edge);
}

.page-products .pp-user {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 10px 18px;
  padding: 24px 4px;
  border-bottom: var(--pp-hair);
  transition: background .24s var(--ease);
}

.page-products .pp-user:hover {
  background: rgba(79, 168, 255, .07);
}

.page-products .pp-user__idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1;
  color: var(--pp-accent);
  letter-spacing: -.02em;
}

.page-products .pp-user__role {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--paper);
}

.page-products .pp-user__desc {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 233, 216, .8);
  max-width: 60ch;
}

.page-products .pp-user__picks {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 233, 216, .92);
}

.page-products .pp-user__label {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--night);
  background: var(--neon);
  border: 2px solid var(--black);
}

/* ---------- 07 开始对接 ---------- */

.page-products .pp-start__panel {
  position: relative;
  padding: clamp(28px, 4vw, 44px) clamp(22px, 3.4vw, 40px);
  background: var(--ink-2);
  border: var(--edge);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.page-products .pp-start__panel::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  background: var(--pp-accent-soft);
  border: 2px solid rgba(79, 168, 255, .38);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-products .pp-start__head {
  position: relative;
}

.page-products .pp-start__head .section__title {
  margin-top: 12px;
}

.page-products .pp-start__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 233, 216, .82);
  max-width: 58ch;
}

.page-products .pp-start__steps {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid rgba(143, 167, 154, .3);
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 8px 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid rgba(143, 167, 154, .18);
}

.page-products .pp-step__num {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--night);
  background: var(--pp-accent);
  border: 2px solid var(--black);
}

.page-products .pp-step p {
  margin: 2px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 233, 216, .88);
  max-width: 56ch;
}

.page-products .pp-start__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {

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

  .page-products .pp-layers__aside {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pp-layers__aside .media-frame--square {
    max-width: 360px;
  }

  .page-products .pp-cat {
    grid-template-columns: 64px 1fr;
    padding: 20px 8px;
  }

  .page-products .pp-query__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .pp-friendlies__foot {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    margin-top: 24px;
  }

  .page-products .pp-panel {
    padding: 30px 30px 32px;
  }

  .page-products .pp-start__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
  }

  .page-products .pp-step {
    border-bottom: 0;
    border-top: 2px solid rgba(143, 167, 154, .3);
  }
}

@media (min-width: 960px) {

  .page-products .pp-diagram {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
    align-items: stretch;
  }

  .page-products .pp-node:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 40px;
    right: -30px;
    width: 30px;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--pp-accent) 0 6px, transparent 6px 12px);
  }

  .page-products .pp-catlist {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 40px;
  }

  .page-products .pp-cat:nth-child(12),
  .page-products .pp-cat:nth-child(11) {
    border-bottom: var(--pp-hair);
  }

  .page-products .pp-strip {
    padding-inline: max(var(--gutter), calc((100vw - 1320px) / 2));
  }

  .page-products .pp-start__panel {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 0 40px;
    align-items: start;
  }

  .page-products .pp-start__head {
    grid-column: 1;
  }

  .page-products .pp-start__steps {
    grid-column: 2;
    grid-row: 1 / span 2;
    grid-template-columns: minmax(0, 1fr);
    margin-top: 0;
  }

  .page-products .pp-step {
    border-top: 0;
    border-bottom: 1px solid rgba(143, 167, 154, .2);
  }

  .page-products .pp-start__actions {
    grid-column: 1;
    align-self: end;
  }
}

@media (min-width: 1180px) {

  .page-products .pp-hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    column-gap: 48px;
    align-items: end;
  }

  .page-products .pp-hero__inner > * {
    grid-column: 1;
  }

  .page-products .pp-hero__facts {
    grid-column: 2;
    grid-row: 3 / span 3;
    align-self: end;
    grid-template-columns: minmax(0, 1fr);
    max-width: none;
    margin-top: 0;
    padding-left: 28px;
    border-left: var(--edge);
  }
}

@media (prefers-reduced-motion: reduce) {

  .page-products .pp-node,
  .page-products .pp-strip__card,
  .page-products .pp-query__card,
  .page-products .pp-cat,
  .page-products .pp-user {
    transition: none;
  }

  .page-products .pp-node:hover,
  .page-products .pp-strip__card:hover,
  .page-products .pp-query__card:hover {
    transform: none;
  }
}