.page-products {
  --off-line-soft: rgba(11, 33, 28, .12);
  --off-cream-80: rgba(247, 242, 232, .82);
  --off-cream-60: rgba(247, 242, 232, .62);
  --off-gap: clamp(20px, 3.4vw, 40px);
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page-products .off-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--terra-deep);
}

.page-products .off-kicker--light {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-products .off-hero {
  display: grid;
  gap: var(--off-gap);
  margin: clamp(16px, 2.6vw, 28px) 0 clamp(36px, 5vw, 64px);
}

.page-products .off-hero__copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.2vw, 4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--hall);
}

.page-products .off-hero__copy h1 span {
  display: block;
  color: var(--terra);
}

.page-products .off-hero__lead {
  max-width: 44ch;
  margin: 0 0 24px;
  font-size: clamp(1rem, 1.4vw, 1.075rem);
  line-height: 1.8;
  color: var(--graphite);
}

.page-products .off-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .off-hero__art {
  margin: 0;
  aspect-ratio: 14 / 9;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--hall);
}


.page-products .off-hero__art::after {
  content: "";
  position: absolute;
  inset: auto -18% -34% 42%;
  height: 90%;
  background: linear-gradient(120deg, rgba(217, 95, 43, .38), rgba(232, 176, 75, .1));
  clip-path: polygon(0 24%, 100% 0, 100% 100%, 12% 100%);
  pointer-events: none;
}

.page-products .media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--hall-2);
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Bento 总览 ---------- */
.page-products .off-overview {
  margin-bottom: clamp(40px, 6vw, 80px);
}

.page-products .off-overview__title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  line-height: 1.3;
  color: var(--hall);
}

.page-products .off-grid {
  margin: 0;
}

.page-products .off-tile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: var(--cream);
  min-height: 196px;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-products .off-tile:hover,
.page-products .off-tile:focus-within {
  border-color: var(--terra);
}

.page-products .off-tile--ink {
  background: linear-gradient(155deg, var(--hall) 0%, var(--hall-2) 100%);
  color: var(--cream);
}

.page-products .off-tile--lake {
  background: var(--lake);
  color: var(--cream);
}

.page-products .off-tile--terra {
  background: var(--terra);
  color: var(--cream);
}

.page-products .off-tile--glass {
  background: var(--lake-soft);
  color: var(--hall);
}

.page-products .off-tile__label {
  margin: 0;
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: .78;
}

.page-products .off-tile__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 1.8vw, 1.32rem);
  line-height: 1.3;
}

.page-products .off-tile__desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  opacity: .86;
}

.page-products .off-tile__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: .84rem;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity var(--t) var(--ease);
}

.page-products .off-tile__link:hover,
.page-products .off-tile__link:focus-visible {
  opacity: .68;
}

/* ---------- 通用区块 ---------- */
.page-products .off-section {
  margin-bottom: clamp(44px, 6.5vw, 88px);
}

.page-products .off-p {
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 68ch;
}

.page-products .off-p--wide {
  max-width: 74ch;
}

.page-products .off-split {
  display: grid;
  gap: var(--off-gap);
}

.page-products .off-ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 68ch;
}

.page-products .off-ticks li {
  position: relative;
  padding-left: 26px;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .off-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 13px;
  height: 2px;
  background: var(--terra);
}

.page-products .off-split__side {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
  background: var(--cream);
  border: 1px solid var(--off-line-soft);
  box-shadow: 0 22px 44px -34px rgba(5, 13, 11, .6);
}

.page-products .off-side__label {
  margin: 0 0 14px;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--lake);
}

.page-products .off-route {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: route;
}

.page-products .off-route li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .94rem;
  color: var(--hall);
}

.page-products .off-route li span {
  flex: none;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: .72rem;
  color: var(--cream);
  background: var(--lake);
}

.page-products .off-route li:nth-child(2) span {
  background: var(--peacock);
}

.page-products .off-route li:nth-child(3) span {
  background: var(--terra);
}

.page-products .off-side__note {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .off-side__note a {
  color: var(--terra-deep);
}

/* ---------- 站内索引 ---------- */
.page-products .off-index {
  display: grid;
  gap: var(--off-gap);
}

.page-products .off-index__art {
  margin: 0 0 18px;
  aspect-ratio: 4 / 3;
}

.page-products .off-index__note {
  margin: 0 0 14px;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--graphite);
}

.page-products .off-index__filter-note {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--terra-deep);
}

.page-products .off-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .off-chips .chip[aria-pressed="true"] {
  background: var(--hall);
  border-color: var(--hall);
  color: var(--cream);
}

.page-products .topic-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
}

.page-products .topic-card {
  display: grid;
  gap: 4px;
  padding: 14px 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--off-line-soft);
  border-left: 4px solid var(--lake);
  background: var(--cream);
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-products .topic-card[hidden] {
  display: none;
}

.page-products .topic-card:nth-child(3n+2) {
  border-left-color: var(--terra);
}

.page-products .topic-card:nth-child(3n) {
  border-left-color: var(--peacock);
}

.page-products .topic-card:hover {
  background: #fffdf8;
}

.page-products .topic-card__code {
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--lake-deep);
}

.page-products .topic-card__name {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--hall);
}

.page-products .topic-card__count {
  margin: 0;
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--terra-deep);
}

.page-products .topic-card__desc {
  margin: 4px 0 0;
  font-size: .8rem;
  line-height: 1.65;
  color: var(--graphite);
}

/* ---------- 注册两步 ---------- */
.page-products .off-register {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .stepper {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .stepper__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.6vw, 26px);
  border-radius: var(--radius-lg);
  background: var(--cream);
  border: 1px solid var(--off-line-soft);
}

.page-products .stepper__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  background: var(--terra);
}

.page-products .stepper__item:nth-child(2)::before {
  background: var(--lake);
}

.page-products .stepper__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: .82rem;
  color: var(--cream);
  background: var(--terra);
}

.page-products .stepper__item:nth-child(2) .stepper__num {
  background: var(--lake);
}

.page-products .stepper__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--hall);
}

.page-products .stepper__body p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--graphite);
}

.page-products .off-register__art {
  margin: 0 0 14px;
  aspect-ratio: 2 / 1;
}

.page-products .off-register__note {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--lake-deep);
}

/* ---------- 设备端深色横通栏 ---------- */
.page-products .off-dark {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 52px);
  background: linear-gradient(148deg, var(--hall) 0%, var(--hall-2) 58%, #123530 100%);
  color: var(--cream);
}

.page-products .off-dark::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -26%;
  width: 62%;
  height: 156%;
  background: linear-gradient(160deg, rgba(217, 95, 43, .34), rgba(31, 158, 138, .12));
  clip-path: polygon(34% 0, 100% 0, 72% 100%, 0 100%);
  pointer-events: none;
}

.page-products .off-dark__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--off-gap);
  align-items: center;
}

.page-products .off-dark__body h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  color: var(--cream);
}

.page-products .off-dark__body p {
  margin: 0 0 20px;
  max-width: 52ch;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--off-cream-80);
}

.page-products .off-sync {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.page-products .off-sync__node {
  flex: none;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(232, 176, 75, .45);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-products .off-sync__line {
  flex: 1 1 40px;
  min-width: 32px;
  height: 0;
  border-top: 2px dashed rgba(232, 176, 75, .5);
}

.page-products .off-stats {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
  grid-template-columns: repeat(auto-fit, minmax(126px, 1fr));
}

.page-products .off-stat {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: rgba(247, 242, 232, .07);
  border: 1px solid var(--line-dark, rgba(247, 242, 232, .16));
}

.page-products .off-stat__num {
  font-size: 1.36rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .02em;
}

.page-products .off-stat__label {
  font-size: .76rem;
  line-height: 1.55;
  color: var(--off-cream-60);
}

.page-products .off-dark__link {
  display: inline-block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 176, 75, .55);
  padding-bottom: 2px;
  transition: opacity var(--t) var(--ease);
}

.page-products .off-dark__link:hover,
.page-products .off-dark__link:focus-visible {
  opacity: .72;
}

.page-products .off-dark__art {
  margin: 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius);
}

/* ---------- 更新时间与公告 ---------- */
.page-products .off-updates__art {
  margin: 0 0 clamp(20px, 3vw, 30px);
  aspect-ratio: 7 / 3;
}

.page-products .off-updates {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--off-line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .off-update {
  display: grid;
  gap: 4px;
  padding: 16px clamp(14px, 2.4vw, 22px);
  background: var(--cream);
  transition: background-color var(--t) var(--ease);
}

.page-products .off-update:hover {
  background: #fffdf8;
}

.page-products .off-update__issue {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--terra-deep);
}

.page-products .off-update__col {
  font-size: .92rem;
  line-height: 1.65;
  color: var(--hall);
}

.page-products .off-update__time {
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--lake-deep);
}

.page-products .off-updates__note {
  margin: 0 0 22px;
  max-width: 72ch;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--graphite);
  padding-left: 16px;
  border-left: 3px solid var(--gold);
}

/* ---------- 适合谁用 ---------- */
.page-products .off-who {
  margin: 0;
}

.page-products .off-who__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--off-line-soft);
  border-bottom: 3px solid var(--lake);
  background: var(--cream);
  transition: border-color var(--t) var(--ease);
}

.page-products .off-who__card:nth-child(2) {
  border-bottom-color: var(--terra);
}

.page-products .off-who__card:nth-child(3) {
  border-bottom-color: var(--peacock);
}

.page-products .off-who__card:nth-child(4) {
  border-bottom-color: var(--gold);
}

.page-products .off-who__card:hover {
  border-color: var(--terra);
}

.page-products .off-who__label {
  margin: 0;
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--lake);
}

.page-products .off-who__title {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--hall);
}

.page-products .off-who__desc {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--graphite);
}

.page-products .off-who__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: .86rem;
  font-weight: 600;
  color: var(--terra-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity var(--t) var(--ease);
}

.page-products .off-who__link:hover,
.page-products .off-who__link:focus-visible {
  opacity: .7;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .off-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-products .off-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .off-update {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
  }

  .page-products .off-update__time {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-products .off-index {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .off-dark__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }

  .page-products .stepper {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-products .stepper__item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -24px;
    top: 50%;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--terra), rgba(217, 95, 43, .2));
    transform: translateY(-50%);
  }
}

@media (min-width: 1120px) {
  .page-products .off-index__aside {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .off-tile,
  .page-products .topic-card,
  .page-products .off-update,
  .page-products .off-tile__link,
  .page-products .off-who__link,
  .page-products .off-dark__link {
    transition: none;
  }
}
<<<END>>>