.page-products {
  --prod-radius: 22px;
  --prod-gap: clamp(28px, 4vw, 52px);
  background: var(--bs-midnight);
  color: var(--bs-text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  padding-top: calc(var(--bs-header-h) + clamp(26px, 5vw, 58px));
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 640px;
  background:
    radial-gradient(58% 68% at 12% 32%, rgba(77, 240, 224, .16), transparent 70%),
    radial-gradient(48% 62% at 88% 14%, rgba(123, 77, 255, .2), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-hero > .bs-container {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 50px);
  align-items: center;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-products .prod-hero__title {
  margin: 16px 0 0;
  font-family: var(--bs-font-display);
  font-weight: 200;
  font-size: clamp(38px, 7.2vw, 92px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--bs-cream);
}

.page-products .prod-hero__lede {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.55vw, 19px);
  line-height: 1.9;
  color: var(--bs-text-soft);
}

.page-products .prod-hero__sub {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(14.5px, 1.3vw, 16.5px);
  line-height: 1.9;
  color: var(--bs-text-faint);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .prod-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--bs-radius-lg);
  overflow: hidden;
  border: 1px solid var(--bs-line-strong);
  box-shadow: var(--bs-shadow);
}

.page-products .prod-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 16, 32, 0) 55%, rgba(10, 16, 32, .55));
  pointer-events: none;
}

.page-products .prod-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-stats {
  list-style: none;
  margin: clamp(34px, 5vw, 62px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  border: 1px solid var(--bs-line);
  border-radius: var(--bs-radius);
  overflow: hidden;
  background: var(--bs-line);
}

.page-products .prod-stats li {
  display: grid;
  gap: 6px;
  padding: 18px 20px 20px;
  background: rgba(10, 16, 32, .88);
}

.page-products .prod-stats__num {
  font-family: var(--bs-font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.3vw, 26px);
  letter-spacing: -.01em;
  color: var(--bs-cyan);
}

.page-products .prod-stats__label {
  font-size: 12.5px;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--bs-text-faint);
}

/* ---------- 主体轨道布局 ---------- */

.page-products .prod-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

.page-products .prod-rail {
  border-top: 1px solid var(--bs-line);
  padding-top: 16px;
}

.page-products .prod-rail__label {
  margin: 0 0 12px;
  font-family: var(--bs-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--bs-cyan);
}

.page-products .prod-rail__list {
  list-style: none;
  margin: 0;
  padding: 2px 0 10px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-products .prod-rail__list::-webkit-scrollbar {
  display: none;
}

.page-products .prod-rail__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-products .prod-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--bs-line);
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--bs-text-soft);
  text-decoration: none;
  transition: color .25s ease, border-color .25s ease;
}

.page-products .prod-rail__link:hover,
.page-products .prod-rail__link:focus-visible {
  color: var(--bs-cyan);
  border-color: var(--bs-line-strong);
}

.page-products .prod-rail__no {
  font-family: var(--bs-font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--bs-orange);
}

.page-products .prod-stream {
  min-width: 0;
}

/* ---------- 功能面板 ---------- */

.page-products .prod-panel {
  margin-bottom: clamp(36px, 5vw, 64px);
  scroll-margin-top: calc(var(--bs-header-h) + 26px);
}

.page-products .prod-panel--breath {
  margin-bottom: clamp(56px, 8vw, 104px);
}

.page-products .prod-panel:last-child {
  margin-bottom: 0;
}

.page-products .prod-panel__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 18px clamp(18px, 3vw, 30px);
  border-radius: var(--prod-radius) var(--prod-radius) 0 0;
  border: 1px solid var(--bs-line);
  border-bottom: none;
  background: linear-gradient(115deg, rgba(42, 53, 80, .94) 0%, rgba(10, 16, 32, .82) 100%);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.page-products .prod-panel__no {
  font-family: var(--bs-font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--bs-orange);
  padding-right: 14px;
  border-right: 1px solid var(--bs-line);
}

.page-products .prod-panel__title {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 27px);
  font-weight: 500;
  line-height: 1.42;
  letter-spacing: -.01em;
  color: var(--bs-cream);
}

.page-products .prod-panel__body {
  padding: clamp(22px, 3.2vw, 40px);
  border-radius: 0 0 var(--bs-radius-lg) var(--bs-radius-lg);
  background: var(--bs-cream);
  color: var(--bs-ink);
  box-shadow: var(--bs-shadow);
}

.page-products .prod-lede {
  margin: 0;
  font-size: clamp(15.5px, 1.45vw, 17.5px);
  line-height: 1.95;
  color: var(--bs-ink-soft);
}

.page-products .prod-note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--bs-red);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--bs-ink-soft);
}

/* ---------- 重登步骤 ---------- */

.page-products .prod-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .prod-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--bs-line-ink);
}

.page-products .prod-step:last-child {
  border-bottom: 1px solid var(--bs-line-ink);
}

.page-products .prod-step__no {
  font-family: var(--bs-font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  color: var(--bs-red);
}

.page-products .prod-step__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--bs-ink);
}

.page-products .prod-step__content p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--bs-ink-soft);
}

/* ---------- 图片 ---------- */

.page-products .prod-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-radius: var(--bs-radius);
  overflow: hidden;
  border: 1px solid var(--bs-line-ink);
  background: rgba(26, 22, 20, .05);
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 双栏差异 ---------- */

.page-products .prod-diff {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-products .prod-diff__col {
  padding: 18px 20px 22px;
  border-radius: var(--bs-radius);
  border: 1px solid var(--bs-line-ink);
  background: rgba(255, 255, 255, .5);
}

.page-products .prod-diff__col--a {
  border-top: 3px solid var(--bs-cyan);
}

.page-products .prod-diff__col--b {
  border-top: 3px solid var(--bs-violet-2);
  border-color: rgba(123, 77, 255, .32);
  background: linear-gradient(180deg, rgba(123, 77, 255, .13), rgba(192, 77, 255, .05));
}

.page-products .prod-diff__tag {
  margin: 0 0 14px;
  font-family: var(--bs-font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--bs-red);
}

.page-products .prod-diff__col--b .prod-diff__tag {
  color: #7B4DFF;
}

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

.page-products .prod-diff__list li {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--bs-line-ink);
}

.page-products .prod-diff__list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-products .prod-diff__key {
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(26, 22, 20, .5);
}

.page-products .prod-diff__val {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--bs-ink);
}

/* ---------- 上下半场 ---------- */

.page-products .prod-halves {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-products .prod-half {
  padding: 20px 18px 22px;
  border-radius: var(--bs-radius);
  border: 1px solid rgba(77, 240, 224, .32);
  background: linear-gradient(160deg, rgba(77, 240, 224, .1), rgba(77, 240, 224, .015));
}

.page-products .prod-half--b {
  border-color: rgba(255, 106, 43, .32);
  background: linear-gradient(160deg, rgba(255, 106, 43, .1), rgba(255, 106, 43, .015));
}

.page-products .prod-half__tag {
  margin: 0 0 14px;
  font-family: var(--bs-font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .14em;
  color: #0F7E76;
}

.page-products .prod-half--b .prod-half__tag {
  color: #C4451A;
}

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

.page-products .prod-half__list li {
  display: grid;
  gap: 3px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bs-ink-soft);
}

.page-products .prod-half__key {
  font-family: var(--bs-font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: rgba(26, 22, 20, .55);
}

/* ---------- 赛程导出日历 ---------- */

.page-products .prod-cal {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 18px;
  border-radius: var(--bs-radius);
  border: 1px solid var(--bs-line-ink);
  background: rgba(26, 22, 20, .04);
}

.page-products .prod-cal__grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.page-products .prod-cal__cell {
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  background: rgba(26, 22, 20, .07);
}

.page-products .prod-cal__cell.is-on {
  background: linear-gradient(140deg, var(--bs-orange), var(--bs-red));
}

.page-products .prod-cal__legend {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--bs-ink-soft);
}

/* ---------- 折叠组（奶油层内） ---------- */

.page-products .prod-fold {
  margin-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--bs-line-ink);
}

.page-products .prod-folds .prod-fold + .prod-fold {
  border-top: none;
}

.page-products .prod-fold__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border: none;
  border-bottom: 1px solid var(--bs-line-ink);
  background: none;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  color: var(--bs-ink);
  cursor: pointer;
  transition: color .25s ease;
}

.page-products .prod-fold__trigger:hover,
.page-products .prod-fold__trigger:focus-visible {
  color: var(--bs-red);
}

.page-products .prod-fold__icon {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(26, 22, 20, .28);
}

.page-products .prod-fold__icon::before,
.page-products .prod-fold__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--bs-red);
  transform: translate(-50%, -50%);
  transition: transform .3s ease;
}

.page-products .prod-fold__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-products .bs-fold[data-open="true"] .prod-fold__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-products .prod-fold__body {
  padding: 14px 0 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--bs-ink-soft);
}

/* ---------- 版本演进 ---------- */

.page-products .prod-h2 {
  margin: 14px 0 0;
  font-family: var(--bs-font-display);
  font-weight: 300;
  font-size: clamp(28px, 4.2vw, 50px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--bs-cream);
}

.page-products .prod-h2__sub {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--bs-text-soft);
}

.page-products .prod-timeline {
  list-style: none;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.page-products .prod-timeline__item {
  position: relative;
  padding: 22px 20px 24px;
  border-radius: var(--prod-radius);
  border: 1px solid var(--bs-line);
  background: linear-gradient(160deg, rgba(42, 53, 80, .72), rgba(10, 16, 32, .92));
}

.page-products .prod-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--bs-cyan), rgba(77, 240, 224, 0));
}

.page-products .prod-timeline__item--now {
  border-color: rgba(123, 77, 255, .48);
}

.page-products .prod-timeline__item--now::before {
  background: linear-gradient(180deg, var(--bs-violet-2), rgba(192, 77, 255, 0));
}

.page-products .prod-timeline__ver {
  display: block;
  font-family: var(--bs-font-mono);
  font-weight: 700;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--bs-cyan);
}

.page-products .prod-timeline__item--now .prod-timeline__ver {
  color: var(--bs-violet-2);
}

.page-products .prod-timeline__year {
  display: block;
  margin-top: 8px;
  font-family: var(--bs-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--bs-text-faint);
}

.page-products .prod-timeline__title {
  margin: 16px 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--bs-cream);
}

.page-products .prod-timeline__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--bs-text-soft);
}

/* ---------- 适用场景 ---------- */

.page-products .prod-scene-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 82%);
  gap: 14px;
  margin-top: clamp(26px, 4vw, 42px);
  padding-bottom: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-scene-track::-webkit-scrollbar {
  height: 4px;
}

.page-products .prod-scene-track::-webkit-scrollbar-thumb {
  background: var(--bs-line-strong);
  border-radius: 999px;
}

.page-products .prod-scene {
  scroll-snap-align: start;
  padding: 24px 22px 26px;
  border-radius: var(--prod-radius);
  border: 1px solid var(--bs-line);
  background: linear-gradient(170deg, rgba(42, 53, 80, .6), rgba(10, 16, 32, .9));
}

.page-products .prod-scene__tag {
  margin: 0 0 14px;
  font-family: var(--bs-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--bs-orange);
}

.page-products .prod-scene__title {
  margin: 0 0 12px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 500;
  line-height: 1.45;
  color: var(--bs-cream);
}

.page-products .prod-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--bs-text-soft);
}

/* ---------- 下一页导航 ---------- */

.page-products .prod-next__inner {
  padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--bs-radius-lg);
  border: 1px solid var(--bs-line);
  background: linear-gradient(140deg, rgba(42, 53, 80, .55), rgba(10, 16, 32, .9));
}

.page-products .prod-next__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 500;
  color: var(--bs-cream);
}

.page-products .prod-next__links {
  list-style: none;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .prod-next__links a {
  display: block;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid var(--bs-line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--bs-text-soft);
  text-decoration: none;
  transition: color .25s ease, border-color .25s ease, transform .25s ease;
}

.page-products .prod-next__links a:hover,
.page-products .prod-next__links a:focus-visible {
  color: var(--bs-cyan);
  border-color: var(--bs-line-strong);
  transform: translateX(4px);
}

/* ---------- 媒体查询 ---------- */

@media (min-width: 640px) {
  .page-products .prod-diff,
  .page-products .prod-halves {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

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

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-products .prod-scene-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    padding-bottom: 0;
  }
}

@media (min-width: 1020px) {
  .page-products .prod-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-rail {
    position: sticky;
    top: calc(var(--bs-header-h) + 28px);
    padding-top: 18px;
  }

  .page-products .prod-rail__list {
    display: grid;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-products .prod-rail__item {
    flex: none;
  }

  .page-products .prod-rail__link {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    align-items: baseline;
    gap: 10px;
    width: 100%;
    padding: 12px 0;
    border: none;
    border-bottom: 1px solid var(--bs-line);
    border-radius: 0;
    font-size: 14.5px;
    white-space: normal;
    transition: color .25s ease, padding-left .25s ease;
  }

  .page-products .prod-rail__link:hover,
  .page-products .prod-rail__link:focus-visible {
    padding-left: 7px;
  }

  .page-products .prod-rail__no {
    font-size: 12px;
  }
}

@media (min-width: 1240px) {
  .page-products .prod-shell {
    grid-template-columns: 248px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-rail__link,
  .page-products .prod-next__links a,
  .page-products .prod-fold__trigger,
  .page-products .prod-fold__icon::after {
    transition: none;
  }

  .page-products .prod-next__links a:hover,
  .page-products .prod-next__links a:focus-visible,
  .page-products .prod-rail__link:hover,
  .page-products .prod-rail__link:focus-visible {
    transform: none;
    padding-left: 0;
  }
}