.page-products {
  --prod-gap: 16px;
  --prod-pad: 18px;
  --prod-ring: #3a5075;
}

/* ---- 首屏 ---- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 40px) 0 clamp(30px, 5vw, 56px);
  color: var(--paper);
  background:
    radial-gradient(880px 420px at 90% -12%, rgba(23, 185, 120, .22), transparent 70%),
    radial-gradient(680px 360px at 2% 0%, rgba(245, 197, 66, .14), transparent 68%),
    var(--ink);
}

.page-products .prod-hero .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
}

.page-products .prod-hero .breadcrumbs__link[aria-current="page"] {
  color: var(--gold);
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 18px;
}

.page-products .prod-hero__intro h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--paper);
}

.page-products .prod-hero__intro .lede {
  color: var(--muted);
  max-width: 62ch;
}

.page-products .eyebrow {
  color: var(--gold);
  text-transform: none;
}

.page-products .prod-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .prod-facts__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(22, 38, 61, .72);
}

.page-products .prod-facts__num {
  font-size: 24px;
  color: var(--gold);
}

.page-products .prod-facts__label {
  font-size: 14px;
  color: var(--muted);
}

/* 图例小面板 */
.page-products .prod-legend {
  align-self: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(150deg, var(--ink-1), var(--ink-2));
}

.page-products .prod-legend__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-products .prod-legend__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.page-products .prod-legend__row:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-products .prod-legend__hint {
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.page-products .prod-legend__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---- 房间轨道 ---- */
.page-products .prod-track {
  margin-top: clamp(28px, 5vw, 48px);
}

.page-products .prod-track__head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .prod-track__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.2;
  margin: 0;
  color: var(--paper);
}

.page-products .prod-track__desc {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  max-width: 56ch;
}

.page-products .prod-track__list {
  display: flex;
  gap: var(--prod-gap);
  max-width: var(--wrap);
  margin-inline: auto;
  margin-block: 0;
  padding: 6px var(--gutter) 22px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: var(--gutter);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  -webkit-overflow-scrolling: touch;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 26px, #000 calc(100% - 26px), transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 26px, #000 calc(100% - 26px), transparent 100%);
}

.page-products .prod-track__list::-webkit-scrollbar {
  height: 6px;
}

.page-products .prod-track__list::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: var(--r-pill);
}

.page-products .prod-tile {
  flex: 0 0 min(82%, 320px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--prod-pad);
  border: 1px solid var(--line);
  border-top: 4px solid var(--room-accent, var(--green));
  border-radius: var(--r-card);
  background: var(--ink-1);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.page-products .prod-tile:hover,
.page-products .prod-tile:focus-within {
  transform: translateY(-4px);
  border-color: var(--prod-ring);
  box-shadow: var(--shadow-lift);
}

.page-products .prod-tile__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .prod-tile__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .prod-tile__meta {
  display: flex;
  gap: 20px;
  margin: 0;
}

.page-products .prod-tile__meta dt {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 2px;
}

.page-products .prod-tile__meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
}

.page-products .prod-tile__quick {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  flex: 1 1 auto;
}

.page-products .prod-tile__ver {
  align-self: flex-start;
  font-size: 12px;
  color: var(--gold);
}

/* ---- 通用章节 ---- */
.page-products .prod-band {
  background: var(--ink);
  color: var(--paper);
}

.page-products .prod-band--light {
  background: var(--light);
  color: var(--ink);
}

.page-products .prod-band--light .eyebrow {
  color: var(--green-deep);
}

.page-products .prod-band--light h2,
.page-products .prod-band--light h3 {
  color: var(--ink);
}

.page-products .prod-band--light .lede,
.page-products .prod-band--light p {
  color: #33475f;
}

.page-products .prod-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-products .prod-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 8px 0 12px;
}

.page-products .prod-band .prod-head h2 {
  color: var(--paper);
}

.page-products .prod-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-products .prod-split__body h2,
.page-products .prod-devices__body h2 {
  font-family: var(--font-display);
  font-size: clamp(23px, 4.2vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 8px 0 14px;
}

.page-products .prod-split__body p,
.page-products .prod-devices__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.75;
}

.page-products .prod-band .prod-split__body p {
  color: var(--muted);
}

.page-products .prod-band--light .prod-split__body p,
.page-products .prod-band--light .prod-devices__body p {
  color: #33475f;
}

.page-products .prod-split__body strong {
  color: var(--gold);
  font-weight: 700;
}

.page-products .prod-band--light .prod-split__body strong {
  color: var(--green-deep);
}

.page-products .prod-split__media {
  margin: 0;
}

.page-products .prod-split__media img,
.page-products .prod-figure img,
.page-products .prod-devices__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--ink-1);
}

.page-products .prod-figure {
  margin: clamp(20px, 4vw, 34px) 0 0;
}

.page-products .prod-figure--tight {
  margin: 0 0 18px;
}

.page-products .prod-split__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .prod-band--light .prod-split__cap {
  color: #5b7089;
}

.page-products .prod-note {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(245, 197, 66, .08);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-band--light .prod-note {
  background: rgba(23, 185, 120, .1);
  border-left-color: var(--green);
  color: #33475f;
}

.page-products .prod-link {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products .prod-band--light .prod-link {
  color: var(--green-deep);
}

/* ---- 分层步骤 ---- */
.page-products .prod-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .prod-steps__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink-1);
}

.page-products .prod-steps__num {
  font-size: 16px;
  color: var(--gold);
  line-height: 1.5;
}

.page-products .prod-steps__item h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--paper);
}

.page-products .prod-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---- 玩法矩阵 ---- */
.page-products .prod-modes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-products .prod-mode {
  padding: 18px 16px;
  border-radius: var(--r-card);
  background: #fff;
  border: 1px solid #dfe7e2;
  box-shadow: 0 14px 30px -26px rgba(14, 27, 46, .6);
  transition: transform .2s ease, border-color .2s ease;
}

.page-products .prod-mode:hover {
  transform: translateY(-3px);
  border-color: var(--green);
}

.page-products .prod-mode__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  background: linear-gradient(140deg, var(--green), #7fe0b6);
}

.page-products .prod-mode:nth-child(2) .prod-mode__icon,
.page-products .prod-mode:nth-child(6) .prod-mode__icon {
  background: linear-gradient(140deg, var(--gold), #ffe08a);
}

.page-products .prod-mode:nth-child(3) .prod-mode__icon {
  background: linear-gradient(140deg, var(--cyan), #a5e6f7);
}

.page-products .prod-mode:nth-child(4) .prod-mode__icon {
  background: linear-gradient(140deg, #17b978, var(--cyan));
}

.page-products .prod-mode:nth-child(5) .prod-mode__icon {
  background: linear-gradient(140deg, var(--orange), #ffc197);
}

.page-products .prod-mode__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .prod-mode__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: #33475f;
}

.page-products .prod-mode__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  color: var(--ink);
}

.page-products .prod-mode__meta .mono {
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--light);
  border: 1px solid #dfe7e2;
  color: var(--ink);
}

/* ---- 状态章节 ---- */
.page-products .prod-split__side {
  display: grid;
  gap: 18px;
}

.page-products .prod-key {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .prod-key__item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .prod-key__item b {
  color: var(--paper);
}

.page-products .prod-key__swatch {
  display: block;
  width: 28px;
  height: 10px;
  margin-top: 7px;
  border-radius: var(--r-pill);
}

.page-products .prod-legend--sticky {
  position: static;
}

/* ---- 轨道操作 ---- */
.page-products .prod-ops {
  display: grid;
  gap: 14px;
}

.page-products .prod-op {
  padding: 20px 18px;
  border-radius: var(--r-card);
  border: 1px solid #dfe7e2;
  background: #fff;
}

.page-products .prod-op__glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 12px;
  border-radius: 50%;
  font-size: 18px;
  color: var(--ink);
  background: var(--gold);
}

.page-products .prod-op h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink);
}

.page-products .prod-op p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #33475f;
}

.page-products .prod-rhythm {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: var(--r-card);
  background: var(--ink);
}

.page-products .prod-rhythm__num {
  font-size: clamp(44px, 9vw, 72px);
  line-height: 1;
  color: var(--gold);
}

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

/* ---- 练习阶梯 ---- */
.page-products .prod-ladder {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
}

.page-products .prod-ladder__step {
  padding: 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--ink-1);
}

.page-products .prod-ladder__step:nth-child(2) { background: #16283f; }
.page-products .prod-ladder__step:nth-child(3) { background: #14304a; }
.page-products .prod-ladder__step:nth-child(4) {
  background: linear-gradient(150deg, rgba(23, 185, 120, .26), var(--ink-1));
  border-color: var(--green);
}

.page-products .prod-ladder__idx {
  display: block;
  font-size: 12px;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-products .prod-ladder__step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
}

/* ---- 设备差异 ---- */
.page-products .prod-devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 38px);
  align-items: start;
}

.page-products .prod-devices__media {
  margin: 0;
}

.page-products .prod-tips {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-tips li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: #33475f;
}

.page-products .prod-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

/* ---- 结尾索引 ---- */
.page-products .prod-next-band {
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  color: var(--paper);
  padding-block: clamp(34px, 5vw, 60px);
}

.page-products .prod-next-band__title {
  font-family: var(--font-display);
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.2;
  margin: 0 0 20px;
  color: var(--paper);
}

.page-products .prod-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .prod-next__card {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: rgba(22, 38, 61, .8);
  text-decoration: none;
  color: var(--paper);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.page-products .prod-next__card:hover,
.page-products .prod-next__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--green);
  background: rgba(23, 185, 120, .14);
}

.page-products .prod-next__kicker {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-products .prod-next__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}

.page-products .prod-next__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .prod-next__card--home {
  border-color: var(--gold);
}

/* ---- 响应式 ---- */
@media (min-width: 720px) {
  .page-products .prod-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .prod-ops {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-ladder {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .prod-tile {
    flex-basis: calc((100% - 2 * var(--prod-gap)) / 3);
  }
}

@media (min-width: 960px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 34px;
    align-items: start;
  }

  .page-products .prod-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .prod-split--flip .prod-split__body {
    order: 1;
  }

  .page-products .prod-split--flip .prod-split__side {
    order: 2;
  }

  .page-products .prod-legend--sticky {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-products .prod-devices {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    align-items: center;
  }

  .page-products .prod-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-tile,
  .page-products .prod-mode,
  .page-products .prod-next__card {
    transition: none;
  }

  .page-products .prod-tile:hover,
  .page-products .prod-mode:hover,
  .page-products .prod-next__card:hover {
    transform: none;
  }

  .page-products .prod-track__list {
    scroll-behavior: auto;
  }
}
<<<END>>>