.page-products {
  --pa-panel: linear-gradient(160deg, rgba(18, 26, 41, .94) 0%, rgba(10, 13, 20, .74) 100%);
  --pa-soft: linear-gradient(160deg, rgba(18, 26, 41, .72) 0%, rgba(10, 13, 20, .5) 100%);
  --pa-teal: rgba(56, 225, 214, .9);
  --pa-amber: rgba(240, 154, 62, .9);
  --pa-gold: rgba(217, 169, 74, .9);
  display: block;
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */
.page-products .pa-hero {
  position: relative;
  padding: 1.5rem 0 2.75rem;
  background: var(--grad-vault);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-products .pa-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -58%;
  width: 68%;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(56, 225, 214, .16), transparent 62%);
  pointer-events: none;
}

.page-products .pa-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.5rem;
}

.page-products .pa-hero .breadcrumbs {
  grid-column: 1 / -1;
}

.page-products .pa-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .24em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-products .pa-hero__title {
  margin: .7rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 6.6vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: .03em;
  color: var(--moon);
}

.page-products .pa-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(233, 238, 245, .84);
}

.page-products .pa-hero__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .9rem 1.25rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .pa-hero__metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold-light);
}

.page-products .pa-hero__metric-label {
  display: block;
  margin-top: .25rem;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------- 轨道骨架 ---------- */
.page-products .index-shell {
  display: grid;
  gap: 1.75rem;
  padding: 2rem 0 4rem;
}

.page-products .chapter-rail {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(18, 26, 41, .5);
  padding: .8rem 1rem;
}

.page-products .chapter-rail__title {
  margin: 0 0 .6rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .22em;
  color: var(--mist);
}

.page-products .chapter-rail nav {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: .2rem;
  -webkit-overflow-scrolling: touch;
}

.page-products .chapter-rail__link {
  flex: 0 0 auto;
  font-size: .84rem;
  color: rgba(233, 238, 245, .78);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: .15rem;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-products .chapter-rail__link:hover,
.page-products .chapter-rail__link[data-active] {
  color: var(--gold-light);
  border-bottom-color: var(--line-strong);
}

/* ---------- 章节通用 ---------- */
.page-products .pa-flow > .pa-section + .pa-section {
  margin-top: 3.25rem;
}

.page-products .pa-section .section-head {
  margin-bottom: 1.25rem;
}

.page-products .pa-section .section-head__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.95rem);
  line-height: 1.18;
  letter-spacing: .03em;
  color: var(--moon);
}

.page-products .pa-section .section-head__note {
  max-width: 62ch;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pa-note {
  margin: 1.25rem 0 0;
  padding-left: .9rem;
  border-left: 1px solid var(--line-strong);
  font-size: .86rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pa-note a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .pa-note a:hover {
  border-bottom-color: var(--line-strong);
}

.page-products .pa-prose {
  margin-top: 1.5rem;
}

.page-products .pa-prose p {
  margin: 0 0 1rem;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(233, 238, 245, .82);
}

.page-products .pa-prose a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 214, .35);
}

/* ---------- 01 业务线 ---------- */
.page-products .pa-lanes {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(266px, 84%);
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  padding: .2rem .2rem 1rem;
  margin: 0 -.2rem;
  -webkit-overflow-scrolling: touch;
}

.page-products .pa-lane {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  padding: .9rem .95rem 1.15rem;
  border: 1px solid var(--line);
  border-top-width: 2px;
  border-radius: var(--radius);
  background: var(--pa-panel);
  box-shadow: var(--shadow-deep);
  transition: border-color .16s var(--ease);
}

.page-products .pa-lane--live { border-top-color: rgba(56, 225, 214, .65); }
.page-products .pa-lane--slot { border-top-color: rgba(240, 154, 62, .65); }
.page-products .pa-lane--card { border-top-color: rgba(217, 169, 74, .65); }

.page-products .pa-lane:hover {
  border-color: var(--line-strong);
}

.page-products .pa-lane__title {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--moon);
}

.page-products .pa-lane__text {
  margin: 0;
  font-size: .87rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pa-lane__facts {
  margin: auto 0 0;
  padding-top: .7rem;
  border-top: 1px solid var(--hairline);
  display: grid;
  gap: .4rem;
}

.page-products .pa-lane__facts > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: .78rem;
}

.page-products .pa-lane__facts dt {
  color: var(--mist);
}

.page-products .pa-lane__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--gold-light);
}

/* ---------- 02 试玩刻度 ---------- */
.page-products .pa-meter {
  display: flex;
  gap: 4px;
  padding: 5px;
  margin-top: 1.4rem;
  height: 44px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(10, 13, 20, .68);
}

.page-products .pa-meter__seg {
  display: grid;
  place-items: center;
  min-width: 0;
  border-radius: 1px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: #08120F;
  overflow: hidden;
}

.page-products .pa-meter__seg--live {
  flex: 260 1 0;
  background: linear-gradient(180deg, rgba(56, 225, 214, .95), rgba(56, 225, 214, .58));
}

.page-products .pa-meter__seg--slot {
  flex: 220 1 0;
  background: linear-gradient(180deg, rgba(240, 154, 62, .95), rgba(240, 154, 62, .58));
}

.page-products .pa-meter__seg--card {
  flex: 120 1 0;
  background: linear-gradient(180deg, rgba(242, 212, 138, .95), rgba(217, 169, 74, .62));
}

.page-products .pa-legend {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-products .pa-legend__item {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .84rem;
  color: var(--moon);
}

.page-products .pa-legend__dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.page-products .pa-legend__dot--live { background: var(--neon); }
.page-products .pa-legend__dot--slot { background: var(--amber); }
.page-products .pa-legend__dot--card { background: var(--gold); }

.page-products .pa-legend__val {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--gold-light);
}

/* ---------- 03 返水阶梯 ---------- */
.page-products .pa-banner {
  margin: 0 0 1.5rem;
}

.page-products .pa-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-products .pa-ladder > li:nth-child(2) { margin-left: 4%; }
.page-products .pa-ladder > li:nth-child(3) { margin-left: 8%; }
.page-products .pa-ladder > li:nth-child(4) { margin-left: 12%; }
.page-products .pa-ladder > li:nth-child(5) { margin-left: 16%; }

.page-products .pa-rung {
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--pa-panel);
  overflow: hidden;
  transition: border-color .16s var(--ease);
}

.page-products .pa-rung[open] {
  border-color: var(--line-strong);
}

.page-products .pa-rung__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem .9rem;
  padding: .8rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-products .pa-rung__summary::-webkit-details-marker {
  display: none;
}

.page-products .pa-rung__rank {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--neon);
  border: 1px solid rgba(56, 225, 214, .34);
  border-radius: var(--radius);
  padding: .1rem .45rem;
}

.page-products .pa-rung[open] .pa-rung__rank {
  color: var(--gold-light);
  border-color: var(--line-strong);
}

.page-products .pa-rung__rate {
  font-family: var(--font-mono);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--gold-light);
}

.page-products .pa-rung__hint {
  margin-left: auto;
  font-size: .76rem;
  color: var(--mist);
}

.page-products .pa-rung__body {
  margin-top: .3rem;
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--hairline);
}

.page-products .pa-rung__body p {
  margin: .8rem 0 0;
  max-width: 62ch;
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(233, 238, 245, .82);
}

/* ---------- 04 积分 ---------- */
.page-products .pa-points {
  display: grid;
  gap: 1.75rem;
}

.page-products .pa-ring {
  position: relative;
  width: min(100%, 210px);
  margin-inline: auto;
  aspect-ratio: 1 / 1;
}

.page-products .pa-ring svg {
  width: 100%;
  height: 100%;
  display: block;
  transform: rotate(-90deg);
}

.page-products .pa-ring__track {
  fill: none;
  stroke: rgba(217, 169, 74, .16);
  stroke-width: 7;
}

.page-products .pa-ring__fill {
  fill: none;
  stroke: var(--neon);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 1.634 325.1;
  filter: drop-shadow(0 0 5px rgba(56, 225, 214, .75));
}

.page-products .pa-ring__center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .3rem;
  text-align: center;
}

.page-products .pa-ring__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 1.95rem);
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: .02em;
}

.page-products .pa-ring__cap {
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-products .pa-points__lead {
  margin: 0;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(233, 238, 245, .84);
}

.page-products .pa-facts {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pa-facts__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: .7rem .9rem;
  background: rgba(10, 13, 20, .62);
  font-size: .85rem;
}

.page-products .pa-facts__key {
  color: var(--mist);
}

.page-products .pa-facts__val {
  font-family: var(--font-mono);
  color: var(--gold-light);
}

.page-products .pa-points__note {
  margin: 1.1rem 0 0;
  font-size: .85rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 05 流程 ---------- */
.page-products .pa-flow {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.4rem;
}

.page-products .pa-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-products .pa-step__box {
  height: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--pa-panel);
  transition: border-color .16s var(--ease);
}

.page-products .pa-step__box[open] {
  border-color: var(--line-strong);
}

.page-products .pa-step__summary {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .8rem .9rem;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pa-step__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: #0A0D14;
  background: var(--grad-gold);
  border-radius: var(--radius);
  padding: .14rem .42rem;
}

.page-products .pa-step__name {
  font-size: .93rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--moon);
}

.page-products .pa-step__body {
  padding: 0 .9rem .9rem 2.6rem;
  font-size: .86rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pa-flow__media {
  margin: 0;
}

.page-products .pa-flow__media .media-frame {
  max-width: 320px;
  margin-inline: auto;
}

/* ---------- 06 场景 ---------- */
.page-products .pa-scenes {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-products .pa-scene {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--pa-soft);
  padding: 1rem 1.05rem 1.2rem;
  transition: border-color .16s var(--ease);
}

.page-products .pa-scene:hover {
  border-color: var(--line-strong);
}

.page-products .pa-scene h3 {
  margin: .7rem 0 .5rem;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--moon);
}

.page-products .pa-scene p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 07 支持 ---------- */
.page-products .pa-support {
  display: grid;
  gap: .85rem;
  margin-top: 1.25rem;
}

.page-products .pa-support__item {
  position: relative;
  padding: .95rem 1rem .95rem 1.3rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--pa-soft);
}

.page-products .pa-support__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(56, 225, 214, .5));
}

.page-products .pa-support__item h3 {
  margin: 0 0 .45rem;
  font-size: .97rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold-light);
}

.page-products .pa-support__item p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pa-support__item a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 214, .35);
}

/* ---------- 收束 ---------- */
.page-products .pa-close {
  margin-top: 2.5rem;
  padding: 1.5rem 1.25rem;
  display: grid;
  gap: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--grad-vault);
}

.page-products .pa-close__text {
  margin: 0;
  max-width: 60ch;
  font-size: .89rem;
  line-height: 1.8;
  color: rgba(233, 238, 245, .84);
}

.page-products .pa-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pa-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .75rem 1.5rem;
  }

  .page-products .pa-legend__val {
    margin-left: 0;
  }
}

@media (min-width: 760px) {
  .page-products .pa-lanes {
    grid-auto-columns: minmax(320px, 46%);
  }

  .page-products .pa-scenes {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .page-products .pa-scene:nth-child(1) { grid-column: 1 / span 5; }
  .page-products .pa-scene:nth-child(2) { grid-column: 6 / span 3; }
  .page-products .pa-scene:nth-child(3) { grid-column: 2 / span 6; margin-top: .5rem; }

  .page-products .pa-support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.25rem;
  }

  .page-products .pa-close {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 860px) {
  .page-products .pa-points {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
    gap: 2.75rem;
    align-items: center;
  }

  .page-products .pa-ring {
    margin-inline: 0;
  }
}

@media (min-width: 900px) {
  .page-products .pa-hero {
    padding: 2rem 0 3.5rem;
  }

  .page-products .pa-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: end;
    gap: 2rem 3rem;
  }

  .page-products .pa-hero__metrics {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: 1.6rem;
  }

  .page-products .pa-flow {
    grid-template-columns: minmax(0, 1fr) minmax(0, 250px);
    gap: 2.25rem;
    align-items: start;
  }

  .page-products .pa-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem;
  }

  .page-products .pa-flow__media .media-frame {
    max-width: none;
  }
}

@media (min-width: 1080px) {
  .page-products .index-shell {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: 3.25rem;
    align-items: start;
    padding: 2.5rem 0 5rem;
  }

  .page-products .chapter-rail {
    position: sticky;
    top: 4.5rem;
  }

  .page-products .chapter-rail nav {
    flex-direction: column;
    gap: .5rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pa-flow > .pa-section + .pa-section {
    margin-top: 4rem;
  }

  .page-products .pa-ladder > li:nth-child(2) { margin-left: 3%; }
  .page-products .pa-ladder > li:nth-child(3) { margin-left: 6%; }
  .page-products .pa-ladder > li:nth-child(4) { margin-left: 9%; }
  .page-products .pa-ladder > li:nth-child(5) { margin-left: 12%; }
}

@media (min-width: 1180px) {
  .page-products .pa-lanes {
    grid-auto-columns: minmax(340px, 33.5%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pa-lane,
  .page-products .pa-rung,
  .page-products .pa-step__box,
  .page-products .pa-scene,
  .page-products .chapter-rail__link {
    transition: none;
  }
}
<<<END>>>