.page-products {
  --hub-gap: clamp(20px, 3vw, 40px);
  --hub-cell: #F7FAFF;
  --hub-cell-hover: #EAF1FC;
}

/* ---------- 封面 ---------- */
.page-products .hub-cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: radial-gradient(130% 100% at 88% 0%, #17356F 0%, #0B1730 58%, #070F1D 100%);
  color: var(--white);
  padding-top: clamp(96px, 15vw, 176px);
  padding-bottom: clamp(44px, 7vw, 92px);
}

.page-products .hub-cover::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 42%;
  right: -22%;
  bottom: -46%;
  height: 62%;
  background: linear-gradient(90deg, rgba(19, 87, 216, .58), rgba(31, 174, 154, .26));
  transform: skewY(-9deg);
}

.page-products .hub-cover::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  top: 0;
  width: 34%;
  height: 5px;
  background: linear-gradient(90deg, var(--blue) 0 60%, var(--coral) 60% 82%, var(--teal) 82% 100%);
}

.page-products .hub-crumbs {
  margin-bottom: clamp(22px, 3.4vw, 46px);
}

.page-products .hub-crumbs .breadcrumbs__item {
  color: rgba(255, 255, 255, .66);
  font-size: .8rem;
}

.page-products .hub-crumbs a.breadcrumbs__item {
  color: var(--white);
  text-decoration: none;
}

.page-products .hub-crumbs a.breadcrumbs__item:hover {
  color: var(--coral);
}

.page-products .hub-cover .eyebrow {
  color: rgba(255, 255, 255, .7);
}

.page-products .hub-cover__title {
  margin: 0 0 clamp(16px, 2vw, 26px);
  max-width: 17ch;
  font-size: clamp(2.1rem, 6.2vw, 5rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.025em;
}

.page-products .hub-cover__lede {
  margin: 0;
  max-width: 40ch;
  font-size: clamp(1rem, 1.25vw, 1.125rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
}

.page-products .hub-cover__index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .hub-cover__index a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  color: rgba(255, 255, 255, .88);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .02em;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .hub-cover__index a:hover,
.page-products .hub-cover__index a:focus-visible {
  background: rgba(19, 87, 216, .48);
  border-color: rgba(255, 255, 255, .55);
}

/* ---------- 吸附筛选条 ---------- */
.page-products .hub-filter {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(243, 235, 221, .95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.page-products .hub-filter__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-products .hub-filter__label {
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
  padding-right: 10px;
  border-right: 1px solid var(--line);
}

.page-products .hub-filter__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.page-products .hub-filter__key {
  font-size: .7rem;
  color: var(--ink-soft);
  letter-spacing: .1em;
  margin-right: 2px;
}

.page-products .hub-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: .78rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.page-products .hub-chip--on {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

/* ---------- 章节骨架 ---------- */
.page-products .hub-chapter {
  padding: clamp(46px, 7vw, 96px) 0;
}

.page-products .hub-chapter--sand {
  background: var(--sand);
}

.page-products .hub-chapter--mist {
  background: var(--mist);
}

.page-products .hub-chapter--navy {
  background: var(--navy);
  color: var(--white);
}

.page-products .hub-chapter__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-products .hub-chapter__no {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
  letter-spacing: -.04em;
}

.page-products .hub-chapter--navy .hub-chapter__no {
  -webkit-text-stroke-color: rgba(255, 255, 255, .34);
}

.page-products .hub-chapter__title {
  margin: 6px 0 0;
  font-size: clamp(1.55rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-products .hub-chapter__title--light {
  color: var(--white);
}

.page-products .hub-chapter__lede {
  margin: 14px 0 0;
  max-width: 42em;
  font-size: clamp(.95rem, 1.15vw, 1.05rem);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .hub-chapter__lede--light {
  color: rgba(255, 255, 255, .78);
}

.page-products .hub-note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--blue);
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .hub-note--ink {
  border-left-color: var(--coral);
}

.page-products .hub-note--light {
  border-left-color: var(--teal);
  color: rgba(255, 255, 255, .72);
}

.page-products .hub-figure {
  margin: 0 0 clamp(22px, 3vw, 36px);
}

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

/* ---------- 时间轴赛程 ---------- */
.page-products .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--line);
}

.page-products .timeline__row {
  position: relative;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  grid-template-areas:
    "when body"
    "side side";
  gap: 8px 14px;
  padding: 16px 14px 16px 4px;
  border-bottom: 1px solid var(--line);
  transition: background var(--t-fast) var(--ease);
}

.page-products .timeline__row::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--blue);
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .timeline__row:hover {
  background: var(--hub-cell);
}

.page-products .timeline__row:hover::before {
  transform: scale(1.3);
  border-color: var(--coral);
}

.page-products .timeline__when {
  grid-area: when;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .timeline__day {
  font-size: .82rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .02em;
}

.page-products .timeline__clock {
  font-size: .8rem;
  color: var(--ink-soft);
}

.page-products .timeline__body {
  grid-area: body;
  min-width: 0;
}

.page-products .timeline__title {
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .timeline__meta {
  margin: 5px 0 0;
  font-size: .86rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-products .timeline__side {
  grid-area: side;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .timeline__ver {
  font-size: .76rem;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
  padding-bottom: 1px;
}

.page-products .timeline__ver:hover,
.page-products .timeline__ver:focus-visible {
  color: var(--coral);
}

/* ---------- 场馆档案 ---------- */
.page-products .hub-venue {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.2vw, 44px);
  align-items: start;
}

.page-products .hub-venue__figure {
  margin: 0;
  order: -1;
}

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

.page-products .venue-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .venue-fields li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 14px;
  background: var(--white);
  font-size: .92rem;
  color: var(--ink);
}

.page-products .venue-fields__no {
  font-size: .72rem;
  color: var(--teal-deep);
  letter-spacing: .06em;
}

/* ---------- 镜像对照 ---------- */
.page-products .mirror {
  border: 1px solid var(--line);
  background: var(--line);
  display: grid;
  gap: 1px;
}

.page-products .mirror__head {
  display: none;
}

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

.page-products .mirror__cell {
  padding: 15px 16px;
  background: var(--white);
  transition: background var(--t-fast) var(--ease);
}

.page-products .mirror__cell--list {
  background: var(--hub-cell);
}

.page-products .mirror__row:hover .mirror__cell,
.page-products .mirror__row:focus-within .mirror__cell {
  background: var(--hub-cell-hover);
}

.page-products .mirror__key {
  display: inline-block;
  margin-bottom: 6px;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--blue);
  border-bottom: 1px solid var(--coral);
  padding-bottom: 2px;
}

.page-products .mirror__cell--list .mirror__key {
  color: var(--teal-deep);
  border-bottom-color: var(--teal);
}

.page-products .mirror__cell p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 规则版本 ---------- */
.page-products .hub-version {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
  align-items: center;
}

.page-products .version-list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, .14);
}

.page-products .version-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, .05);
  font-size: .9rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, .82);
}

.page-products .version-list__tag {
  font-size: .78rem;
  color: var(--navy);
  background: var(--teal);
  padding: 3px 9px;
  border-radius: 2px;
  letter-spacing: .04em;
}

.page-products .hub-version__figure {
  margin: 0;
}

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

/* ---------- 导出 ---------- */
.page-products .export-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(24px, 3.2vw, 40px);
}

.page-products .export-card {
  padding: 20px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .export-card:hover {
  border-top-color: var(--coral);
  transform: translateY(-2px);
}

.page-products .export-card__badge {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .12em;
  padding: 3px 8px;
  background: var(--navy);
  color: var(--white);
  border-radius: 2px;
}

.page-products .export-card__badge--teal {
  background: var(--teal-deep);
}

.page-products .export-card__title {
  margin: 14px 0 8px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .export-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 场景 ---------- */
.page-products .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .scene {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 20px 16px;
  background: var(--white);
}

.page-products .scene__who {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--blue);
  text-transform: uppercase;
  padding-top: 3px;
}

.page-products .scene__body h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .scene__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .scene-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line);
}

.page-products .scene-cta p {
  margin: 0;
  max-width: 44em;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .scene-cta a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(19, 87, 216, .34);
}

.page-products .scene-cta a:hover {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ---------- 规模数字 ---------- */
.page-products .stat-bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 14px;
  background: var(--white);
}

.page-products .stat__num {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
  letter-spacing: -.02em;
}

.page-products .stat__label {
  font-size: .82rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.page-products .update-note {
  margin-top: clamp(22px, 3vw, 34px);
  padding: 18px 20px;
  background: var(--sand);
  border-left: 3px solid var(--coral);
}

.page-products .update-note p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-products .update-note p + p {
  margin-top: 10px;
}

.page-products .update-note strong {
  color: var(--ink);
}

.page-products .update-note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(19, 87, 216, .34);
}

.page-products .update-note a:hover {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

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

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

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

  .page-products .scene {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 20px;
  }
}

@media (min-width: 900px) {
  .page-products .hub-chapter__head {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-products .timeline {
    padding-left: 26px;
  }

  .page-products .timeline__row {
    grid-template-columns: 108px minmax(0, 1fr) 200px;
    grid-template-areas: "when .page-products side";
    align-items: center;
    gap: 0 24px;
    padding: 18px 18px 18px 24px;
  }

  .page-products .timeline__row::before {
    left: -33px;
    top: 50%;
    margin-top: -6px;
  }

  .page-products .timeline__side {
    justify-content: flex-end;
  }

  .page-products .hub-venue {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-products .hub-venue__figure {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 72px);
  }

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

  .page-products .mirror__head-cell {
    padding: 10px 16px;
    background: var(--navy);
    color: var(--white);
    font-size: .72rem;
    letter-spacing: .16em;
    text-transform: uppercase;
  }

  .page-products .mirror__head-cell--list {
    background: var(--blue);
  }

  .page-products .mirror__row {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .hub-version {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-products .stat-bar {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .hub-cover__lede {
    font-size: 1.125rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .export-card:hover,
  .page-products .timeline__row:hover::before {
    transform: none;
  }
}