.page-products {
  --p-radius: 18px;
  --p-gap: 24px;
}

/* ---------- 首屏 ---------- */
.page-products .p-hero {
  padding-top: clamp(28px, 5vw, 56px);
}

.page-products .p-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-products .p-hero__copy > * + * {
  margin-top: 20px;
}

.page-products .p-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .p-hero h1 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--cream);
}

.page-products .p-hero .lede {
  color: var(--mist);
  max-width: 34em;
}

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

.page-products .p-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: 4px;
  overflow: hidden;
}

.page-products .p-hero__facts li {
  background: var(--navy);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: baseline;
  gap: 8px;
}

.page-products .p-fact__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--orange);
  line-height: 1;
}

.page-products .p-fact__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cold);
}

.page-products .p-fact__label {
  font-size: 13px;
  color: var(--mist);
  line-height: 1.5;
}

.page-products .p-hero__fig {
  margin: 0;
}

.page-products .p-hero__fig img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--grid);
}

/* ---------- 通用小节头 ---------- */
.page-products .p-lead {
  margin: 20px 0 0;
  max-width: 48em;
  color: var(--mist);
}

/* ---------- 步骤 ---------- */
.page-products .p-steps__list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: var(--p-gap);
}

.page-products .p-step {
  position: relative;
  padding-top: 46px;
}

.page-products .p-step::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 0;
  right: calc(-1 * var(--p-gap));
  border-top: 1px dashed var(--grid);
}

.page-products .p-step:last-child::before {
  right: 0;
}

.page-products .p-step::after {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--deep);
  border: 2px solid var(--cyan);
}

.page-products .p-step__n {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-products .p-step__title {
  margin: 8px 0 10px;
  font-family: var(--font-title);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-products .p-step__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 能力分段切换 ---------- */
.page-products .seg {
  margin-top: 36px;
  position: relative;
}

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

.page-products .seg__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--grid);
}

.page-products .seg__tab {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--grid);
  border-radius: 999px;
  background: var(--navy);
  cursor: pointer;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease);
}

.page-products .seg__tab-n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cold);
  letter-spacing: .1em;
}

.page-products .seg__tab-t {
  font-size: 14px;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .seg__radio:checked + .seg__tabs .seg__tab {
  border-color: var(--grid);
  background: var(--navy);
}

.page-products #cap-1:checked ~ .seg__tabs .seg__tab:nth-child(1),
.page-products #cap-2:checked ~ .seg__tabs .seg__tab:nth-child(2),
.page-products #cap-3:checked ~ .seg__tabs .seg__tab:nth-child(3),
.page-products #cap-4:checked ~ .seg__tabs .seg__tab:nth-child(4) {
  border-color: var(--cyan);
  background: rgba(47, 227, 208, .1);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-products #cap-1:checked ~ .seg__tabs .seg__tab:nth-child(1) .seg__tab-t,
.page-products #cap-2:checked ~ .seg__tabs .seg__tab:nth-child(2) .seg__tab-t,
.page-products #cap-3:checked ~ .seg__tabs .seg__tab:nth-child(3) .seg__tab-t,
.page-products #cap-4:checked ~ .seg__tabs .seg__tab:nth-child(4) .seg__tab-t {
  color: var(--cream);
}

.page-products #cap-1:checked ~ .seg__tabs .seg__tab:nth-child(1) .seg__tab-n,
.page-products #cap-2:checked ~ .seg__tabs .seg__tab:nth-child(2) .seg__tab-n,
.page-products #cap-3:checked ~ .seg__tabs .seg__tab:nth-child(3) .seg__tab-n,
.page-products #cap-4:checked ~ .seg__tabs .seg__tab:nth-child(4) .seg__tab-n {
  color: var(--orange);
}

.page-products #cap-1:focus-visible ~ .seg__tabs .seg__tab:nth-child(1),
.page-products #cap-2:focus-visible ~ .seg__tabs .seg__tab:nth-child(2),
.page-products #cap-3:focus-visible ~ .seg__tabs .seg__tab:nth-child(3),
.page-products #cap-4:focus-visible ~ .seg__tabs .seg__tab:nth-child(4) {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .seg__panels {
  margin-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .seg__panel {
  display: none;
  grid-area: 1 / 1;
  background: var(--panel);
  border: 1px solid var(--grid);
  border-radius: 4px;
  padding: clamp(20px, 3.4vw, 34px);
}

.page-products #cap-1:checked ~ .seg__panels > .seg__panel:nth-child(1),
.page-products #cap-2:checked ~ .seg__panels > .seg__panel:nth-child(2),
.page-products #cap-3:checked ~ .seg__panels > .seg__panel:nth-child(3),
.page-products #cap-4:checked ~ .seg__panels > .seg__panel:nth-child(4) {
  display: block;
  animation: p-fade 180ms var(--ease) both;
}

@keyframes p-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-products .seg__panel-title {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-products .seg__panel p {
  margin: 0;
  color: var(--mist);
  max-width: 46em;
}

.page-products .p-points {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .p-points li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--cream);
}

.page-products .p-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 筛选轨道 ---------- */
.page-products .p-rail__grid {
  margin-top: 36px;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .p-rail__fig {
  margin: 0;
}

.page-products .p-rail__fig img {
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--grid);
}

.page-products .p-rail__body .p-lead {
  margin-top: 0;
}

.page-products .p-chips {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .p-chip {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

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

.page-products .p-chip__t {
  display: inline-block;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
  background: var(--navy);
  border: 1px dashed var(--grid);
  border-radius: 999px;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background 180ms var(--ease);
}

.page-products .p-chip__in:checked + .p-chip__t {
  color: var(--deep);
  background: var(--cyan);
  border: 1px solid var(--cyan);
}

.page-products .p-chip__in:focus-visible + .p-chip__t {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .p-rail__notes {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-products .p-rail__notes li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid);
}

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

.page-products .p-rail__v {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 结果页读法 ---------- */
.page-products .p-sheet {
  margin-top: 36px;
  background: var(--navy);
  border: 1px solid var(--grid);
  border-radius: 4px;
  padding: clamp(18px, 3vw, 30px);
}

.page-products .p-sheet__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .p-sheet__score {
  margin: 24px 0;
  display: grid;
  grid-template-columns: 1fr auto auto auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 22px 0;
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-products .p-sheet__side {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cold);
}

.page-products .p-sheet__side--r {
  text-align: right;
}

.page-products .p-sheet__num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 7vw, 64px);
  font-weight: 600;
  line-height: 1;
  color: var(--cream);
}

.page-products .p-sheet__colon {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4vw, 34px);
  color: var(--orange);
}

.page-products .p-sheet__fields {
  margin: 0;
  display: grid;
  gap: 2px;
}

.page-products .p-sheet__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(29, 58, 86, .6);
}

.page-products .p-sheet__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .p-sheet__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .p-sheet__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 榜单矩阵 ---------- */
.page-products .p-boards__grid {
  margin-top: 36px;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .p-boards__intro p {
  margin: 0;
  color: var(--mist);
  max-width: 40em;
}

.page-products .p-boards__fig {
  margin: 24px 0 0;
}

.page-products .p-boards__fig img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--grid);
}

.page-products .p-matrix {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: 4px;
  overflow: hidden;
}

.page-products .p-matrix__cell {
  display: grid;
  gap: 6px;
  padding: 16px 14px;
  background: var(--panel);
  transition: background 140ms var(--ease);
}

.page-products .p-matrix__cell:hover {
  background: var(--navy);
}

.page-products .p-matrix__n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cold);
}

.page-products .p-matrix__name {
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.3;
}

.page-products .p-matrix__use {
  font-size: 12px;
  color: var(--mist);
}

.page-products .p-matrix__use::before {
  content: "适用 · ";
  color: var(--orange);
}

.page-products .p-boards__foot {
  margin: 28px 0 0;
  font-size: 14.5px;
  color: var(--mist);
}

.page-products .p-boards__foot a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

/* ---------- 多端与账号 ---------- */
.page-products .p-device__grid {
  margin-top: 36px;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .p-device__body .p-lead {
  margin-top: 0;
}

.page-products .p-device__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: 4px;
  overflow: hidden;
}

.page-products .p-device__list li {
  background: var(--navy);
  padding: 20px 18px;
}

.page-products .p-device__list h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 600;
  color: var(--cream);
}

.page-products .p-device__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .p-device__body .plaque {
  margin-top: 24px;
}

.page-products .p-device__body .plaque a {
  color: var(--teal);
  text-underline-offset: 3px;
}

.page-products .p-device__fig {
  margin: 0;
}

.page-products .p-device__fig img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--grid);
}

/* ---------- 版本节奏 ---------- */
.page-products .p-version__wrap {
  margin-top: 36px;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-products .p-version__fig {
  margin: 0;
}

.page-products .p-version__fig img {
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--grid);
}

.page-products .p-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-products .p-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--teal), rgba(18, 133, 127, .15));
}

.page-products .p-timeline__item {
  position: relative;
  padding: 0 0 26px;
}

.page-products .p-timeline__item:last-child {
  padding-bottom: 0;
}

.page-products .p-timeline__dot {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(47, 227, 208, .14);
}

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

.page-products .p-timeline__title {
  margin: 6px 0 6px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 600;
  color: var(--cream);
}

.page-products .p-timeline__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .p-cta {
  margin-top: 40px;
  padding: 22px 24px;
  background: var(--navy);
  border-left: 3px solid var(--orange);
  border-radius: 0 4px 4px 0;
}

.page-products .p-cta p {
  margin: 0;
  font-size: 15px;
  color: var(--cream);
}

.page-products .p-cta a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

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

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

  .page-products .p-sheet__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-products .p-sheet__row dt {
    text-align: right;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-products .p-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-products .p-rail__grid {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .p-boards__grid {
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .p-boards__intro {
    position: sticky;
    top: calc(var(--status-h) + 24px);
  }

  .page-products .p-device__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-products .p-version__wrap {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .p-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>