.page-products {
  --prod-ink-soft: rgba(16, 32, 27, .68);
  --prod-ink-mid: rgba(16, 32, 27, .82);
  --prod-hair: rgba(16, 32, 27, .18);
  background: var(--pitch);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--paper-64);
}

.page-products .crumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

.page-products .crumbs a {
  color: var(--paper-64);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--bw) solid var(--line);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-products .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  filter: saturate(.75);
  pointer-events: none;
}

.page-products .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(108deg, rgba(7, 31, 24, .95) 0%, rgba(11, 61, 46, .58) 52%, rgba(7, 31, 24, .93) 100%);
  pointer-events: none;
}

.page-products .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  padding-top: clamp(30px, 4vw, 52px);
}

.page-products .hero__left {
  position: relative;
  padding-left: 18px;
}

.page-products .hero__left::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
  transform: skewX(-7deg);
  transform-origin: top left;
}

.page-products .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .hero h1 {
  margin: 14px 0 0;
  font-size: clamp(29px, 5.2vw, 46px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--paper-82);
}

.page-products .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 纵向版本序列 */
.page-products .vline {
  position: relative;
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  max-width: 340px;
}

.page-products .vline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--line) 0%, var(--line) 62%, var(--orange) 100%);
}

.page-products .vline__item {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 0 8px 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper-64);
}

.page-products .vline__dot {
  position: absolute;
  left: 3px;
  top: 14px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--stone);
  box-shadow: 0 0 0 3px var(--pitch);
}

.page-products .vline__ver {
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--paper);
}

.page-products .vline__stage {
  color: var(--stone);
  font-size: 12px;
}

.page-products .vline__item--now .vline__ver {
  color: var(--orange);
}

.page-products .vline__item--now .vline__stage {
  color: var(--orange);
}

.page-products .vline__item--now .vline__dot {
  background: var(--orange);
  box-shadow: 0 0 0 3px var(--pitch), 0 0 14px rgba(255, 122, 69, .8);
}

/* 版本卡片堆叠 */
.page-products .vstack {
  position: relative;
  max-width: 470px;
  margin: 0 auto;
}

.page-products .vstack__back {
  position: absolute;
  inset: 14px -14px -14px 14px;
  display: block;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 61, 46, .65);
  transform: rotate(1.8deg);
}

.page-products .vcard {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--deep);
  box-shadow: var(--shadow-hard);
  transform: rotate(-.8deg);
}

.page-products .vcard__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .vcard__ver {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--deep);
}

.page-products .vcard__title {
  margin: 14px 0 0;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--deep);
}

.page-products .vcard__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-top: 16px;
  border: var(--bw) solid var(--pitch);
  border-radius: 3px;
  max-width: 100%;
}

.page-products .vcard__facts {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--prod-hair);
}

.page-products .vcard__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.page-products .vcard__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--prod-ink-soft);
}

.page-products .vcard__facts dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  text-align: right;
  color: var(--deep);
}

/* ---------- 通用区块 ---------- */
.page-products .sec {
  padding: clamp(52px, 7.5vw, 92px) 0;
}

.page-products .sec__head {
  max-width: 62ch;
}

.page-products .section-title {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.3vw, 33px);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-products .lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--paper-82);
}

/* ---------- 最新版本直达 ---------- */
.page-products .sec--latest {
  background: var(--pitch);
}

.page-products .latest__grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .steps {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .steps__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 20px 18px;
  background: rgba(245, 241, 232, .04);
  border-left: 3px solid var(--line);
  transition: background var(--ease), border-color var(--ease);
}

.page-products .steps__item:hover {
  background: rgba(245, 241, 232, .09);
  border-left-color: var(--cyan);
}

.page-products .steps__no {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--cyan);
}

.page-products .steps__item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .steps__item p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-64);
}

.page-products .factbox {
  padding: 22px 20px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(0, 229, 195, .12), rgba(11, 61, 46, .55) 60%, rgba(7, 31, 24, .9));
  box-shadow: var(--shadow-soft);
}

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

.page-products .factbox__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .factbox__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-82);
}

.page-products .factbox__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-products .factbox .btn {
  display: inline-block;
  margin-top: 20px;
}

/* ---------- 版本时间轴 ---------- */
.page-products .sec--timeline {
  background: var(--night);
  border-top: var(--bw) solid var(--line);
  border-bottom: var(--bw) solid var(--line);
}

.page-products .track {
  display: grid;
  gap: 14px;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .track__item {
  position: relative;
  padding: 22px 20px 20px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: var(--pitch);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-products .track__item::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 18px;
  width: 34px;
  height: 4px;
  background: var(--orange);
}

.page-products .track__item:hover,
.page-products .track__item:focus-within {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-products .track__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-products .track__stage {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--stone);
}

.page-products .track__item p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-82);
}

.page-products .track__item--now {
  background: linear-gradient(155deg, rgba(255, 122, 69, .16), var(--pitch) 62%);
  border-color: var(--orange);
}

.page-products .track__item--now .track__no {
  color: var(--orange);
}

.page-products .track__item--now .track__stage {
  color: var(--orange);
}

.page-products .track__foot {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .03em;
  color: var(--stone);
}

.page-products .track__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 195, .45);
  transition: border-color var(--ease), color var(--ease);
}

.page-products .track__foot a:hover,
.page-products .track__foot a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 网页收藏 ---------- */
.page-products .sec--collect {
  background: var(--paper);
  color: var(--deep);
}

.page-products .sec--collect .eyebrow {
  color: var(--clay);
}

.page-products .sec--collect .section-title {
  color: var(--deep);
}

.page-products .sec--collect .lede {
  color: var(--prod-ink-mid);
}

.page-products .collect__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .collect__copy {
  min-width: 0;
}

/* 收藏场景切换 */
.page-products .fav {
  position: relative;
  margin-top: 26px;
}

.page-products .fav__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .fav__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .fav__tab {
  cursor: pointer;
  padding: 9px 16px;
  border: var(--bw) solid var(--prod-hair);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--deep);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-products .fav__tab:hover {
  border-color: var(--clay);
  color: var(--clay);
}

.page-products .fav__radio:focus-visible ~ .fav__tabs {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 999px;
}

.page-products #fav-desktop:checked ~ .fav__tabs .fav__tab[for="fav-desktop"],
.page-products #fav-mobile:checked ~ .fav__tabs .fav__tab[for="fav-mobile"] {
  background: var(--pitch);
  border-color: var(--pitch);
  color: var(--paper);
}

.page-products .fav__pane {
  display: none;
  margin-top: 18px;
}

.page-products #fav-desktop:checked ~ .fav__panes .fav__pane--desktop,
.page-products #fav-mobile:checked ~ .fav__panes .fav__pane--mobile {
  display: block;
}

.page-products .fav__pane ol {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: favstep;
}

.page-products .fav__pane li {
  counter-increment: favstep;
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--prod-ink-mid);
}

.page-products .fav__pane li::before {
  content: counter(favstep);
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--deep);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-products .fav kbd {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 6px;
  border: 1px solid var(--prod-hair);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: rgba(16, 32, 27, .06);
  color: var(--deep);
}

.page-products .fav__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--prod-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--prod-ink-soft);
}

.page-products .collect__figure {
  margin: 0;
}

.page-products .collect__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--bw) solid var(--deep);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-products .collect__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--prod-ink-soft);
}

/* ---------- 6 板块功能地图 ---------- */
.page-products .sec--map {
  background: var(--pitch);
}

.page-products .map {
  position: relative;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .map__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .16;
  border-radius: var(--radius);
  pointer-events: none;
}

.page-products .map__grid {
  position: relative;
  display: grid;
  gap: 12px;
}

.page-products .map__cell {
  display: block;
  position: relative;
  padding: 20px 18px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 61, 46, .88);
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-products .map__cell:hover,
.page-products .map__cell:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: rgba(14, 74, 55, .96);
}

.page-products .map__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-products .map__cell h3 {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .map__cell p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--paper-64);
}

/* ---------- 换设备登录 ---------- */
.page-products .sec--login {
  background: var(--night);
  border-top: var(--bw) solid var(--line);
  border-bottom: var(--bw) solid var(--line);
}

.page-products .login__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .login__figure {
  margin: 0;
}

.page-products .login__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-products .login__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone);
}

.page-products .login__steps {
  display: grid;
  gap: 2px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .login__steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 16px;
  background: rgba(245, 241, 232, .04);
  border-right: 3px solid var(--line);
  transition: background var(--ease), border-color var(--ease);
}

.page-products .login__steps li:hover {
  background: rgba(245, 241, 232, .09);
  border-right-color: var(--orange);
}

.page-products .login__no {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--orange);
}

.page-products .login__steps h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .login__steps p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-64);
}

.page-products .login__copy .btn {
  display: inline-block;
  margin-top: 24px;
}

/* ---------- 版本选择建议 ---------- */
.page-products .sec--choose {
  background: var(--pitch);
}

.page-products .choose__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .pick {
  padding: 24px 20px;
  border: var(--bw) solid var(--line);
  border-top-width: 5px;
  border-radius: var(--radius);
  background: rgba(245, 241, 232, .04);
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-products .pick:hover {
  transform: translateY(-3px);
  background: rgba(245, 241, 232, .08);
  box-shadow: var(--shadow-soft);
}

.page-products .pick--cyan {
  border-top-color: var(--cyan);
}

.page-products .pick--warm {
  border-top-color: var(--orange);
}

.page-products .pick--clay {
  border-top-color: var(--clay);
}

.page-products .pick__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-products .pick h3 {
  margin: 12px 0 0;
  font-size: 18px;
  line-height: 1.42;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pick p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-64);
}

.page-products .pick__link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 195, .45);
  transition: color var(--ease), border-color var(--ease);
}

.page-products .pick__link:hover,
.page-products .pick__link:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 收束 ---------- */
.page-products .closer {
  padding: clamp(42px, 6vw, 76px) 0 clamp(56px, 8vw, 96px);
  background: var(--night);
}

.page-products .closer__inner {
  display: grid;
  gap: 16px;
  padding: clamp(26px, 4vw, 44px);
  border: var(--bw) solid var(--cyan);
  border-radius: var(--radius);
  background: linear-gradient(118deg, rgba(0, 229, 195, .14), rgba(255, 122, 69, .12) 70%, rgba(11, 61, 46, .6));
  box-shadow: var(--shadow-soft);
}

.page-products .closer__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-products .closer__title {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-products .closer__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-82);
}

.page-products .closer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .map__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .map__cell--a {
    grid-column: span 4;
  }

  .page-products .map__cell--b {
    grid-column: span 2;
  }

  .page-products .map__cell--c,
  .page-products .map__cell--d,
  .page-products .map__cell--e {
    grid-column: span 2;
  }

  .page-products .map__cell--f {
    grid-column: span 6;
  }
}

@media (min-width: 900px) {
  .page-products .hero__inner {
    grid-template-columns: 1.06fr .94fr;
    align-items: start;
  }

  .page-products .vstack {
    margin: 8px 0 0 auto;
  }

  .page-products .latest__grid {
    grid-template-columns: 1.35fr .85fr;
    align-items: start;
  }

  .page-products .collect__grid {
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
  }

  .page-products .login__grid {
    grid-template-columns: .85fr 1.15fr;
    align-items: center;
  }

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

@media (min-width: 1080px) {
  .page-products .track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .closer__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    column-gap: 36px;
  }

  .page-products .closer__eyebrow,
  .page-products .closer__title,
  .page-products .closer__text {
    grid-column: 1;
  }

  .page-products .closer__actions {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin-top: 0;
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .steps__item,
  .page-products .track__item,
  .page-products .map__cell,
  .page-products .login__steps li,
  .page-products .pick,
  .page-products .fav__tab,
  .page-products .pick__link,
  .page-products .crumbs a,
  .page-products .track__foot a {
    transition: none;
  }

  .page-products .track__item:hover,
  .page-products .track__item:focus-within,
  .page-products .map__cell:hover,
  .page-products .map__cell:focus-visible,
  .page-products .pick:hover {
    transform: none;
  }
}