.page-products {
  --op-card: rgba(9, 24, 39, .62);
  --op-pad: 18px;
  padding-bottom: 56px;
}

.page-products .crumbs {
  margin: 20px 0 6px;
}

/* ---------- 首屏 ---------- */
.page-products .op-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 48px;
}

.page-products .op-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  left: -12%;
  width: 124%;
  height: 380px;
  background: linear-gradient(118deg, rgba(14, 58, 92, .92) 0%, rgba(7, 26, 47, .18) 58%, rgba(7, 26, 47, 0) 82%);
  transform: rotate(-4deg);
  transform-origin: left top;
  pointer-events: none;
  z-index: 0;
}

.page-products .op-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-products .op-hero__grid > * {
  min-width: 0;
}

.page-products .op-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.06;
  letter-spacing: -.012em;
  margin: 10px 0 16px;
  color: var(--paper);
  transform: scaleX(.97);
  transform-origin: left center;
  text-wrap: balance;
}

.page-products .op-hero .lede {
  font-size: 16px;
  line-height: 1.8;
  color: var(--fog);
  max-width: 54ch;
}

.page-products .op-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.page-products .op-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 16px;
}

.page-products .op-hero__facts li {
  display: grid;
  gap: 4px;
}

.page-products .op-fact-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--mint);
  text-shadow: 0 0 14px rgba(59, 240, 200, .42);
}

.page-products .op-fact-label {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--fog);
}

/* 首屏双图 */
.page-products .op-hero__visual {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .op-device,
.page-products .op-desk {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface-deep);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.page-products .op-device::after,
.page-products .op-desk::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 28px;
  height: 2px;
  background: var(--mint);
}

.page-products .op-device img,
.page-products .op-desk img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .op-device img {
  aspect-ratio: 9 / 14;
}

.page-products .op-desk img {
  aspect-ratio: 16 / 10;
}

.page-products .op-device figcaption,
.page-products .op-desk figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--fog);
  padding: 10px 12px;
  border-top: 1px solid var(--hair);
  background: rgba(7, 26, 47, .55);
}

@media (min-width: 720px) {
  .page-products .op-hero__visual {
    grid-template-columns: minmax(0, .66fr) minmax(0, 1fr);
    align-items: end;
    gap: 18px;
  }
  .page-products .op-device {
    margin-top: 30px;
  }
  .page-products .op-desk {
    margin-bottom: 12px;
  }
}

@media (min-width: 980px) {
  .page-products .op-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: 48px;
  }
  .page-products .op-hero {
    padding: 34px 0 62px;
  }
  .page-products .op-hero .lede {
    font-size: 17px;
  }
}

/* ---------- 通用章节 ---------- */
.page-products .op-sec {
  padding: 52px 0;
  border-top: 1px solid var(--hair);
}

.page-products .op-sec__head {
  margin-bottom: 26px;
}

.page-products .op-sec__head .lede {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
  max-width: 62ch;
}

.page-products .op-sec__body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
  margin: 0 0 14px;
}

.page-products .op-sec__body p:last-of-type {
  margin-bottom: 0;
}

@media (min-width: 900px) {
  .page-products .op-sec {
    padding: 68px 0;
  }
  .page-products .op-sec__grid {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }
  .page-products .op-sec__grid .op-sec__head {
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }
}

.page-products .op-checks {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .op-checks li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .op-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 9px;
  height: 9px;
  background: var(--mint);
  transform: rotate(45deg);
  opacity: .85;
}

.page-products .op-inline-link {
  margin-top: 18px;
  font-size: 14px;
  color: var(--fog);
}

.page-products .op-inline-link a {
  color: var(--elec);
  text-decoration: none;
  border-bottom: 1px solid rgba(76, 201, 255, .4);
}

.page-products .op-inline-link a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 对比矩阵 ---------- */
.page-products .op-switch {
  position: relative;
  margin-top: 8px;
}

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

.page-products .op-switch__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .op-switch__labels label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 58, 92, .3);
  color: var(--fog);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .op-switch__labels label:hover {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-products #dim-steps:checked ~ .op-switch__labels label[for="dim-steps"],
.page-products #dim-first:checked ~ .op-switch__labels label[for="dim-first"],
.page-products #dim-panel:checked ~ .op-switch__labels label[for="dim-panel"],
.page-products #dim-who:checked ~ .op-switch__labels label[for="dim-who"] {
  background: var(--signal);
  border-color: var(--signal);
  color: #071A2F;
}

.page-products .op-switch__radio:focus-visible ~ .op-switch__labels label {
  outline: 2px solid var(--elec);
  outline-offset: 2px;
}

.page-products .op-vs-row {
  display: none;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products #dim-steps:checked ~ .op-switch__panels [data-dim="steps"],
.page-products #dim-first:checked ~ .op-switch__panels [data-dim="first"],
.page-products #dim-panel:checked ~ .op-switch__panels [data-dim="panel"],
.page-products #dim-who:checked ~ .op-switch__panels [data-dim="who"] {
  display: grid;
}

.page-products .op-vs {
  border: 1px solid var(--line);
  border-left: 3px solid var(--elec);
  background: var(--op-card);
  border-radius: var(--radius);
  padding: var(--op-pad);
}

.page-products .op-vs p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-products .op-vs--small {
  border-left-color: var(--mint);
}

.page-products .op-vs__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--fog);
  margin-bottom: 8px;
}

.page-products .op-vs__val {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--mint);
  margin-bottom: 10px;
  text-shadow: 0 0 16px rgba(59, 240, 200, .35);
}

.page-products .op-vs--desk .op-vs__val {
  color: var(--elec);
  text-shadow: 0 0 16px rgba(76, 201, 255, .32);
}

.page-products .op-compare__note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(100deg, rgba(255, 106, 42, .1), rgba(14, 58, 92, .3) 62%);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

@media (min-width: 780px) {
  .page-products .op-vs-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 四模块 ---------- */
.page-products .op-modules {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .op-mod {
  position: relative;
  border: 1px solid var(--line);
  background: var(--op-card);
  border-radius: var(--radius);
  padding: 22px 18px 24px;
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}

.page-products .op-mod::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--mint);
}

.page-products .op-mod:hover {
  border-color: var(--line-strong);
  background: rgba(14, 58, 92, .52);
  transform: translateY(-3px);
}

.page-products .op-mod__idx {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--fog);
}

.page-products .op-mod h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 22px;
  line-height: 1.2;
  color: var(--paper);
  transform: scaleX(.97);
  transform-origin: left center;
}

.page-products .op-mod__when {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mint);
}

.page-products .op-mod p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fog);
}

@media (min-width: 640px) {
  .page-products .op-modules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 1040px) {
  .page-products .op-modules {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 图片容器 ---------- */
.page-products .op-figure {
  margin: 30px 0 0;
  border: 1px solid var(--line);
  background: var(--surface-deep);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-products .op-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-products .op-figure--band img {
  aspect-ratio: 2 / 1;
}

.page-products .op-figure--tall img {
  aspect-ratio: 4 / 3;
}

.page-products .op-figure figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--hair);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fog);
  background: rgba(7, 26, 47, .5);
}

/* ---------- 两栏图文 ---------- */
.page-products .op-split {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .op-split__text p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog);
  margin: 14px 0 0;
}

.page-products .op-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .op-steps li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-products .op-steps li strong {
  color: var(--paper);
  font-weight: 600;
}

.page-products .op-steps__n {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
}

@media (min-width: 900px) {
  .page-products .op-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: 44px;
    align-items: center;
  }
  .page-products .op-split--flip .op-split__text {
    order: 2;
  }
  .page-products .op-split .op-figure {
    margin-top: 0;
  }
}

/* ---------- 情形卡 ---------- */
.page-products .op-picks {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .op-pick {
  border: 1px solid var(--line);
  border-top: 2px solid var(--signal);
  background: var(--op-card);
  border-radius: var(--radius);
  padding: 22px 18px 24px;
}

.page-products .op-pick__n {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--warm);
}

.page-products .op-pick h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 20px;
  line-height: 1.3;
  color: var(--paper);
  transform: scaleX(.97);
  transform-origin: left center;
}

.page-products .op-pick__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.page-products .op-pick__list li {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fog);
}

.page-products .op-pick__list li::marker {
  font-family: var(--font-mono);
  color: var(--mint);
}

@media (min-width: 760px) {
  .page-products .op-picks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 收尾 CTA ---------- */
.page-products .op-cta {
  margin-top: 32px;
  padding: 26px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(112deg, rgba(14, 58, 92, .78), rgba(9, 24, 39, .5) 70%);
  display: grid;
  gap: 20px;
}

.page-products .op-cta h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 22px;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .op-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
  max-width: 56ch;
}

.page-products .op-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .op-backtop {
  margin: 28px 0 0;
  text-align: right;
}

.page-products .op-backtop a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  padding-bottom: 2px;
}

.page-products .op-backtop a:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

@media (min-width: 760px) {
  .page-products .op-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 28px;
  }
  .page-products .op-cta__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .op-mod,
  .page-products .op-switch__labels label {
    transition: none;
  }
  .page-products .op-mod:hover {
    transform: none;
  }
  .page-products .op-hero h1,
  .page-products .op-mod h3,
  .page-products .op-pick h3 {
    transform: none;
  }
}
<<<END>>>