.page-products {
  --prod-line: rgba(29, 39, 51, 0.12);
  --prod-line-dark: rgba(143, 163, 184, 0.34);
  --prod-warm: rgba(240, 90, 40, 0.14);
  background: var(--snow);
  color: var(--body-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-products .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-head {
  max-width: 64ch;
  margin-bottom: 1.6rem;
}

.page-products .prod-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  margin: 0.35rem 0 0.75rem;
  color: var(--ink-blue);
}

.page-products .prod-head p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-products .prod-head--dark h2 {
  color: var(--snow);
}

.page-products .prod-head--dark p {
  color: rgba(244, 247, 250, 0.76);
}

.page-products .eyebrow {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.prod-hero {
  position: relative;
  padding: 1.75rem 0 3rem;
  color: var(--snow);
  background:
    radial-gradient(circle at 84% 16%, rgba(46, 125, 209, 0.3), transparent 56%),
    radial-gradient(circle at 8% 88%, rgba(240, 90, 40, 0.16), transparent 52%),
    linear-gradient(168deg, var(--ink-blue) 0%, var(--deep-green) 100%);
  border-bottom: 1px solid var(--prod-line-dark);
}

.prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(143, 163, 184, 0.1) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, rgba(143, 163, 184, 0.1) 0 1px, transparent 1px 56px);
}

.prod-hero .container {
  position: relative;
  z-index: 1;
}

.prod-hero__crumb .breadcrumb__link,
.prod-hero__crumb .breadcrumb__sep,
.prod-hero__crumb span[aria-current] {
  color: rgba(244, 247, 250, 0.66);
}

.prod-hero__crumb .breadcrumb__link:hover {
  color: var(--snow);
}

.prod-hero__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.5rem;
}

.prod-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6.4vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0.5rem 0 1rem;
  color: var(--snow);
}

.prod-hero__lead {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(244, 247, 250, 0.82);
  margin: 0;
  max-width: 56ch;
}

.prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.4rem;
  margin-top: 1.6rem;
}

.prod-hero__ghost {
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--snow);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(240, 90, 40, 0.7);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.prod-hero__ghost:hover {
  color: var(--orange-soft);
  border-color: var(--orange-soft);
}

.prod-hero__figure {
  margin: 0;
  border: 1px solid var(--prod-line-dark);
  background: rgba(11, 27, 51, 0.5);
}

.prod-hero__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.prod-hero__figure figcaption {
  padding: 0.65rem 0.85rem;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: rgba(244, 247, 250, 0.62);
  border-top: 1px solid var(--prod-line-dark);
}

.prod-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 2.25rem 0 0;
  padding: 0;
  list-style: none;
  background: var(--prod-line-dark);
  border: 1px solid var(--prod-line-dark);
}

.prod-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 1rem 1.1rem;
  background: rgba(11, 27, 51, 0.62);
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(244, 247, 250, 0.8);
}

.prod-hero__num {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--orange);
  flex: none;
}

/* ---------- 场景切换 ---------- */
.prod-stage {
  background: var(--snow);
}

.stage-tabs {
  position: relative;
  border: 1px solid var(--prod-line);
  background: #fff;
}

.stage-tabs__radio,
.board-sort__radio,
.sched__radio,
.h2h-dim__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.stage-tabs__bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--prod-line);
}

.stage-tabs__tab {
  display: block;
  padding: 0.85rem 0.7rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.3;
  color: var(--body-soft);
  background: rgba(244, 247, 250, 0.7);
  border-top: 3px solid transparent;
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.stage-tabs__tab span {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  color: var(--grid-blue);
}

.stage-tabs__tab:hover {
  background: #fff;
  color: var(--ink-blue);
}

.page-products #stage-1:checked ~ .stage-tabs__bar .stage-tabs__tab[for="stage-1"],
.page-products #stage-2:checked ~ .stage-tabs__bar .stage-tabs__tab[for="stage-2"],
.page-products #stage-3:checked ~ .stage-tabs__bar .stage-tabs__tab[for="stage-3"] {
  background: #fff;
  color: var(--ink-blue);
  border-top-color: var(--orange);
}

.page-products #stage-1:checked ~ .stage-tabs__bar .stage-tabs__tab[for="stage-1"] span,
.page-products #stage-2:checked ~ .stage-tabs__bar .stage-tabs__tab[for="stage-2"] span,
.page-products #stage-3:checked ~ .stage-tabs__bar .stage-tabs__tab[for="stage-3"] span {
  color: var(--orange);
}

.stage-panel {
  display: none;
  padding: 1.25rem 1.05rem 1.4rem;
}

.page-products #stage-1:checked ~ .stage-tabs__panels #stage-panel-1,
.page-products #stage-2:checked ~ .stage-tabs__panels #stage-panel-2,
.page-products #stage-3:checked ~ .stage-tabs__panels #stage-panel-3 {
  display: block;
}

.stage-panel__title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.4;
  margin: 0 0 0.6rem;
  color: var(--ink-blue);
}

.stage-panel p {
  margin: 0 0 0.9rem;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--body-soft);
}

.stage-panel__list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.stage-panel__list li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.45rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--body-soft);
}

.stage-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

.stage-panel__link {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 90, 40, 0.45);
  padding-bottom: 2px;
}

.stage-panel__link:hover {
  color: var(--ink-blue);
  border-color: var(--ink-blue);
}

/* ---------- 模块索引 ---------- */
.prod-map {
  position: relative;
  background: linear-gradient(150deg, var(--deep-green) 0%, var(--ink-blue) 100%);
  color: var(--snow);
  border-top: 1px solid var(--prod-line-dark);
  border-bottom: 1px solid var(--prod-line-dark);
}

.prod-map__track {
  display: flex;
  gap: 1px;
  margin: 0;
  padding: 0 0 0.75rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  background: var(--prod-line-dark);
}

.prod-map__item {
  flex: 0 0 76%;
  scroll-snap-align: start;
  background: rgba(11, 27, 51, 0.72);
}

.prod-map__item a {
  display: block;
  height: 100%;
  padding: 1.2rem 1.05rem 1.35rem;
  text-decoration: none;
  color: inherit;
  border-left: 3px solid transparent;
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.prod-map__item a:hover {
  border-left-color: var(--orange);
  background: rgba(14, 46, 43, 0.9);
}

.prod-map__num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.prod-map__name {
  display: block;
  margin: 0.55rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.prod-map__desc {
  display: block;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(244, 247, 250, 0.72);
}

/* ---------- 积分榜 ---------- */
.prod-board {
  background: #fff;
}

.board-sort {
  position: relative;
}

.board-sort__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}

.board-sort__label {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--grid-blue);
  margin-right: 0.2rem;
}

.board-sort__chip,
.sched__chip,
.h2h-dim__chip {
  display: inline-block;
  padding: 0.36rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--body-soft);
  background: #fff;
  border: 1px solid var(--prod-line);
  cursor: pointer;
  transition: background 0.18s var(--ease-out), color 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
}

.board-sort__chip:hover,
.sched__chip:hover,
.h2h-dim__chip:hover {
  border-color: var(--ink-blue);
  color: var(--ink-blue);
}

.page-products #sort-points:checked ~ .board-sort__bar .board-sort__chip[for="sort-points"],
.page-products #sort-gd:checked ~ .board-sort__bar .board-sort__chip[for="sort-gd"],
.page-products #sort-form:checked ~ .board-sort__bar .board-sort__chip[for="sort-form"] {
  background: var(--ink-blue);
  border-color: var(--ink-blue);
  color: var(--snow);
}

.page-products #view-date:checked ~ .sched__bar .sched__chip[for="view-date"],
.page-products #view-round:checked ~ .sched__bar .sched__chip[for="view-round"],
.page-products #dim-home:checked ~ .h2h-dim__bar .h2h-dim__chip[for="dim-home"],
.page-products #dim-goal:checked ~ .h2h-dim__bar .h2h-dim__chip[for="dim-goal"],
.page-products #dim-score:checked ~ .h2h-dim__bar .h2h-dim__chip[for="dim-score"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.board-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--prod-line);
  background: #fff;
}

.board-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.board-table__caption {
  padding: 0.7rem 0.8rem 0.55rem;
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--grid-blue);
  background: #fff;
}

.board-table th {
  padding: 0.6rem 0.55rem;
  text-align: right;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--grid-blue);
  background: rgba(11, 27, 51, 0.05);
  border-bottom: 1px solid var(--prod-line);
  white-space: nowrap;
}

.board-table th:nth-child(1),
.board-table th:nth-child(2),
.board-table th:nth-child(10) {
  text-align: left;
}

.board-table td {
  padding: 0.6rem 0.55rem;
  text-align: right;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--body-soft);
  border-bottom: 1px solid var(--prod-line);
}

.board-table td:nth-child(2) {
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--ink-blue);
}

.board-table td:nth-child(10) {
  text-align: left;
}

.board-table tbody tr:last-child td {
  border-bottom: 0;
}

.board-table tbody tr:hover td {
  background: rgba(240, 90, 40, 0.05);
}

.page-products #sort-points:checked ~ .board-sort__wrap .board-table th:nth-child(9),
.page-products #sort-points:checked ~ .board-sort__wrap .board-table td:nth-child(9),
.page-products #sort-gd:checked ~ .board-sort__wrap .board-table th:nth-child(8),
.page-products #sort-gd:checked ~ .board-sort__wrap .board-table td:nth-child(8),
.page-products #sort-form:checked ~ .board-sort__wrap .board-table th:nth-child(10),
.page-products #sort-form:checked ~ .board-sort__wrap .board-table td:nth-child(10) {
  background: var(--prod-warm);
  color: var(--ink-blue);
  font-weight: 700;
}

.form-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-right: 2px;
  font-family: var(--font-body);
  font-size: 0.66rem;
  line-height: 1;
  color: #fff;
  vertical-align: middle;
}

.page-products .form-pill--w {
  background: var(--flag-green);
}

.page-products .form-pill--d {
  background: var(--grid-blue);
}

.page-products .form-pill--l {
  background: var(--flag-red);
}

.board-sort__note {
  display: none;
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--body-soft);
  border-left: 2px solid var(--orange);
  padding-left: 0.85rem;
}

.page-products #sort-points:checked ~ .board-sort__wrap .board-sort__note--points,
.page-products #sort-gd:checked ~ .board-sort__wrap .board-sort__note--gd,
.page-products #sort-form:checked ~ .board-sort__wrap .board-sort__note--form {
  display: block;
}

.board-media {
  margin: 2rem 0 2.25rem;
  border: 1px solid var(--prod-line);
  background: var(--ink-blue);
}

.board-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.board-media figcaption {
  padding: 0.65rem 0.85rem;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: rgba(244, 247, 250, 0.68);
  border-top: 1px solid var(--prod-line-dark);
}

.sched {
  position: relative;
  border: 1px solid var(--prod-line);
  background: #fff;
}

.sched__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid var(--prod-line);
}

.sched__label {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--grid-blue);
  margin-right: 0.2rem;
}

.sched-panel {
  display: none;
  padding: 1rem 0.9rem 1.15rem;
}

.page-products #view-date:checked ~ .sched__panels #sched-date,
.page-products #view-round:checked ~ .sched__panels #sched-round {
  display: block;
}

.sched-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sched-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.85rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--prod-line);
}

.sched-item:last-child {
  border-bottom: 0;
}

.sched-item--focus {
  border-left: 3px solid var(--orange);
  padding-left: 0.7rem;
}

.sched-item__time {
  flex: none;
  min-width: 5.5rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.84rem;
  color: var(--grid-blue);
}

.sched-item__round {
  flex: none;
  min-width: 5rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-blue);
}

.sched-item__teams {
  flex: 1 1 9rem;
  font-size: 0.9rem;
  color: var(--ink-blue);
}

.sched-item__teams em {
  font-style: normal;
  margin: 0 0.35em;
  font-size: 0.8em;
  color: var(--grid-blue);
}

.sched-panel__note {
  margin: 0.85rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--body-soft);
}

/* ---------- 历史交锋 ---------- */
.h2h {
  background: linear-gradient(180deg, #fff 0%, var(--snow) 100%);
  border-top: 1px solid var(--prod-line);
}

.h2h__grid {
  display: grid;
  gap: 1.75rem;
}

.h2h__figure {
  margin: 0;
}

.h2h__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--prod-line);
  background: var(--indigo);
}

.h2h__figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--grid-blue);
}

.h2h__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.26;
  letter-spacing: -0.02em;
  margin: 0.35rem 0 0.75rem;
  color: var(--ink-blue);
}

.h2h__lead {
  margin: 0 0 1.5rem;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--body-soft);
}

.h2h__timeline {
  display: flex;
  gap: 0;
  margin: 0 0 1.5rem;
  padding: 0 0 0.6rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.h2h__node {
  position: relative;
  flex: 0 0 8.4rem;
  padding: 0.9rem 0.7rem 0 0;
  border-top: 1px solid var(--grid-blue);
}

.h2h__node::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.h2h__when {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--grid-blue);
  margin-bottom: 0.35rem;
}

.h2h__score {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-blue);
}

.h2h-dim {
  position: relative;
}

.h2h-dim__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.h2h-panel {
  display: none;
  border-top: 2px solid var(--ink-blue);
  padding-top: 0.95rem;
}

.page-products #dim-home:checked ~ .h2h-dim__panels #h2h-panel-home,
.page-products #dim-goal:checked ~ .h2h-dim__panels #h2h-panel-goal,
.page-products #dim-score:checked ~ .h2h-dim__panels #h2h-panel-score {
  display: block;
}

.h2h-panel__lead {
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink-blue);
}

.h2h-bars {
  margin: 0;
  padding: 0;
  list-style: none;
}

.h2h-bar {
  margin-bottom: 0.7rem;
}

.h2h-bar__label {
  display: block;
  font-size: 0.8rem;
  color: var(--body-soft);
  margin-bottom: 0.3rem;
}

.h2h-bar__track {
  display: block;
  height: 8px;
  background: rgba(143, 163, 184, 0.24);
}

.h2h-bar__fill {
  display: block;
  height: 100%;
  background: var(--flag-blue);
}

.h2h-bar__fill--alt {
  background: var(--orange);
}

.h2h-scorelist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--prod-line);
  border: 1px solid var(--prod-line);
}

.h2h-scorelist li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.6rem 0.7rem;
  background: #fff;
  font-size: 0.85rem;
  color: var(--body-soft);
}

.h2h-scorelist li span:first-child {
  font-weight: 700;
  color: var(--ink-blue);
}

.h2h-panel__foot {
  margin: 0.9rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--grid-blue);
}

/* ---------- 大屏专题 ---------- */
.screen {
  background: linear-gradient(160deg, var(--indigo) 0%, var(--deep-green) 62%, var(--ink-blue) 100%);
  color: var(--snow);
  border-top: 1px solid var(--prod-line-dark);
  border-bottom: 1px solid var(--prod-line-dark);
}

.screen__banner {
  margin: 0 0 1.75rem;
  border: 1px solid var(--prod-line-dark);
}

.screen__banner img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.screen__banner figcaption {
  padding: 0.65rem 0.85rem;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: rgba(244, 247, 250, 0.66);
  border-top: 1px solid var(--prod-line-dark);
}

.screen__body {
  display: grid;
  gap: 1.75rem;
}

.screen__steps h3,
.screen__note h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.4;
  margin: 0 0 0.85rem;
  color: var(--snow);
}

.screen__svg {
  display: block;
  width: 100%;
  height: auto;
  background: rgba(11, 27, 51, 0.42);
  border: 1px solid var(--prod-line-dark);
}

.screen__notes {
  display: grid;
  gap: 1px;
  background: var(--prod-line-dark);
  border: 1px solid var(--prod-line-dark);
}

.screen__note {
  padding: 1.05rem 1rem 1.15rem;
  background: rgba(11, 27, 51, 0.58);
  border-left: 2px solid var(--orange);
}

.screen__note p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(244, 247, 250, 0.76);
}

/* ---------- 会员权益 ---------- */
.member {
  background: var(--snow);
}

.member__grid {
  display: grid;
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.member__figure {
  margin: 0;
}

.member__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--prod-line);
  background: #fff;
}

.member__figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--grid-blue);
}

.member__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.member__step {
  position: relative;
  padding: 1.15rem 1rem 1.2rem;
  background: #fff;
  border: 1px solid var(--prod-line);
  border-top: 3px solid var(--orange);
}

.member__step-num {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.member__step h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin: 0.5rem 0 0.45rem;
  color: var(--ink-blue);
}

.member__step p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--body-soft);
}

.member__cats {
  display: grid;
  gap: 1px;
  background: var(--prod-line);
  border: 1px solid var(--prod-line);
}

.member-cat {
  background: #fff;
}

.member-cat summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink-blue);
  list-style: none;
}

.member-cat summary::-webkit-details-marker {
  display: none;
}

.member-cat summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--orange);
}

.member-cat[open] summary::after {
  content: "−";
}

.member-cat__count {
  margin-left: auto;
  margin-right: 0.6rem;
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--grid-blue);
}

.member-cat ul {
  margin: 0;
  padding: 0 1rem 1rem 1rem;
  list-style: none;
  border-top: 1px solid var(--prod-line);
}

.member-cat ul li {
  position: relative;
  padding-left: 1rem;
  margin-top: 0.6rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--body-soft);
}

.member-cat ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 三端体验 ---------- */
.device {
  background: linear-gradient(140deg, var(--ink-blue) 0%, var(--deep-green) 100%);
  color: var(--snow);
  border-top: 1px solid var(--prod-line-dark);
}

.device__grid {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

.device__wire {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.9rem;
  padding: 1.5rem 1rem 1.6rem;
  border: 1px solid var(--prod-line-dark);
  background:
    repeating-linear-gradient(0deg, rgba(143, 163, 184, 0.09) 0 1px, transparent 1px 40px),
    rgba(11, 27, 51, 0.42);
}

.dw {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  padding: 8px;
  border: 1px solid rgba(143, 163, 184, 0.55);
  background: rgba(244, 247, 250, 0.05);
}

.dw--phone {
  width: 46px;
  height: 92px;
}

.dw--desktop {
  width: 132px;
  height: 84px;
}

.dw--tv {
  width: 176px;
  height: 100px;
}

.dw__bar {
  display: block;
  height: 4px;
  background: rgba(143, 163, 184, 0.55);
}

.dw__bar--short {
  width: 55%;
  background: var(--orange);
}

.device__notes ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.device__notes li {
  padding: 0.85rem 0 0.85rem 1rem;
  border-left: 2px solid rgba(143, 163, 184, 0.4);
  border-bottom: 1px solid var(--prod-line-dark);
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 247, 250, 0.78);
}

.device__notes li:last-child {
  border-bottom: 0;
}

.device__notes strong {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--snow);
  border-left-color: var(--orange);
}

/* ---------- 后续入口 ---------- */
.prod-next {
  background: var(--snow);
  border-top: 1px solid var(--prod-line);
}

.prod-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--prod-line);
  border: 1px solid var(--prod-line);
}

.prod-next__card {
  display: block;
  padding: 1.15rem 1.05rem 1.25rem;
  background: #fff;
  text-decoration: none;
  color: inherit;
  border-left: 3px solid transparent;
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.prod-next__card:hover {
  border-left-color: var(--orange);
  background: #fffdfb;
}

.prod-next__name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink-blue);
  margin-bottom: 0.4rem;
}

.prod-next__desc {
  display: block;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--body-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .prod-hero {
    padding: 2rem 0 3.5rem;
  }

  .prod-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .prod-map__item {
    flex-basis: 46%;
  }

  .prod-next__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .member__step-num {
    font-size: 1.5rem;
  }

  .h2h-scorelist {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .prod-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.75rem;
    align-items: end;
    margin-top: 2rem;
  }

  .prod-hero__lead {
    font-size: 1.06rem;
  }

  .stage-tabs__tab {
    padding: 1rem 1.15rem;
    font-size: 1rem;
  }

  .stage-panel {
    padding: 1.6rem 1.6rem 1.75rem;
  }

  .stage-panel__title {
    font-size: 1.3rem;
  }

  .prod-map__track {
    gap: 1px;
    padding-bottom: 0;
  }

  .prod-map__item {
    flex: 1 1 0;
  }

  .board-table {
    min-width: 100%;
    font-size: 0.9rem;
  }

  .h2h__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 2.5rem;
    align-items: start;
  }

  .h2h__figure {
    position: sticky;
    top: 6rem;
  }

  .screen__body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 2.25rem;
    align-items: start;
  }

  .member__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 2.25rem;
    align-items: start;
  }

  .member__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
  }

  .member__cats {
    grid-template-columns: repeat(2, 1fr);
  }

  .device__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 2.5rem;
  }

  .prod-next__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1180px) {
  .prod-hero__copy h1 {
    font-size: 3.6rem;
  }

  .prod-map__item a {
    padding: 1.5rem 1.2rem 1.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}