.page-products {
  background: var(--deep);
  color: var(--mist);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-products .prod-crumb {
  padding-top: 18px;
  padding-bottom: 8px;
}

.page-products .prod-crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-products .prod-crumb .breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.page-products .prod-crumb .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--steel);
}

.page-products .prod-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid var(--mint);
  padding-bottom: 1px;
}

.page-products .prod-crumb a:hover,
.page-products .prod-crumb a:focus-visible {
  color: var(--mint);
}

/* ---------- 通用文本 ---------- */
.page-products .shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.page-products .eyebrow {
  display: inline-block;
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-products .section-title {
  margin: 12px 0 14px;
  font-size: clamp(24px, 4.4vw, 46px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--mist);
}

.page-products h1 {
  margin: 12px 0 18px;
  font-size: clamp(32px, 7.4vw, 76px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--mist);
}

.page-products .prod-lead {
  margin: 0 0 22px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .prod-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--blue);
}

.page-products .prod-note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 2px solid var(--mint);
}

.page-products .prod-note a:hover,
.page-products .prod-note a:focus-visible {
  color: var(--coral-soft);
  border-bottom-color: var(--coral-soft);
}

.page-products a:focus-visible,
.page-products button:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* ---------- 01 首屏 ---------- */
.page-products .prod-hero {
  background: var(--panel);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4.6vw, 52px);
}

.page-products .prod-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-products .prod-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .prod-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-products .prod-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 14px;
  border: 2px solid var(--steel);
  background: var(--deep);
  font-size: 13px;
  color: var(--mist);
}

.page-products .prod-fact b {
  font-family: var(--font-num);
  font-size: 21px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--mint);
}

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

.page-products .prod-hero__actions .btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.page-products .prod-hero__media {
  margin: 0;
  border: var(--bd);
  box-shadow: var(--shadow-mid);
  background: var(--deep);
  overflow: hidden;
}

.page-products .prod-hero__media img,
.page-products .prod-adapt__media img,
.page-products .prod-steps__media img,
.page-products .prod-cadence__media img,
.page-products .prod-migrate__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 02 适配清单 ---------- */
.page-products .prod-adapt {
  background: var(--deep);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4.6vw, 52px) 0;
  scroll-margin-top: 80px;
}

.page-products .prod-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 20px;
}

.page-products .prod-filter .filter-btn {
  min-height: 44px;
  padding: 0 16px;
  border: 3px solid var(--steel);
  background: transparent;
  color: var(--mist);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .prod-filter .filter-btn:hover {
  border-color: var(--coral-soft);
  color: var(--coral-soft);
}

.page-products .prod-filter .filter-btn[aria-pressed="true"] {
  background: var(--coral);
  border-color: var(--edge);
  color: var(--edge);
}

.page-products .prod-devices {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-device {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 12px 10px;
  border: 3px solid var(--edge);
  box-shadow: var(--shadow-slim);
  background: var(--steel);
  color: var(--mist);
  transition: transform 0.16s var(--ease);
}

.page-products .prod-device:hover {
  transform: translateY(-3px);
}

.page-products .prod-device--rec {
  background: var(--coral);
  color: var(--edge);
}

.page-products .prod-device__name {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.3;
}

.page-products .prod-device__mem {
  font-family: var(--font-num);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
  opacity: 0.85;
}

.page-products .prod-device__tier {
  align-self: flex-start;
  margin-top: 4px;
  padding: 1px 8px;
  border: 2px solid currentColor;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .prod-adapt__media {
  margin: 28px 0 0;
  border: var(--bd);
  box-shadow: var(--shadow-mid);
  background: var(--panel);
}

.page-products .prod-adapt__media .media-frame__caption {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue);
  border-top: 3px solid var(--edge);
}

.page-products .prod-legend {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .prod-legend li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.page-products .prod-legend__dot {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border: 2px solid var(--edge);
}

.page-products .prod-legend__dot--rec {
  background: var(--coral);
}

.page-products .prod-legend__dot--ok {
  background: var(--steel);
}

/* ---------- 03 三步流程 ---------- */
.page-products .prod-steps {
  background: var(--panel);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4.6vw, 52px) 0;
}

.page-products .prod-steps__media {
  margin: 0 0 26px;
  border: var(--bd);
  box-shadow: var(--shadow-mid);
  background: var(--deep);
  overflow: hidden;
}

.page-products .prod-steps__row {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--bd);
  box-shadow: var(--shadow-mid);
  background: var(--deep);
}

.page-products .prod-step {
  position: relative;
  padding: 22px 20px 24px;
  border-bottom: var(--bd);
}

.page-products .prod-step:last-child {
  border-bottom: 0;
}

.page-products .prod-step__idx {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.page-products .prod-step__title {
  margin: 8px 0 8px;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-products .prod-step__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .prod-step__text a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 2px solid var(--mint);
}

.page-products .prod-step__text a:hover,
.page-products .prod-step__text a:focus-visible {
  color: var(--coral-soft);
  border-bottom-color: var(--coral-soft);
}

.page-products .prod-step__time {
  display: inline-block;
  padding: 3px 10px;
  border: 2px solid var(--steel);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-products .prod-step__arrow {
  display: none;
  position: absolute;
  right: 18px;
  bottom: 18px;
  font-size: 22px;
  line-height: 1;
  color: var(--coral);
  transition: transform 0.18s var(--ease);
}

.page-products .prod-step:hover .prod-step__arrow {
  transform: translateX(6px);
}

/* ---------- 04 更新节奏 ---------- */
.page-products .prod-cadence {
  background: var(--deep);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4.6vw, 52px) 0;
}

.page-products .prod-cadence__media {
  margin: 0 0 8px;
  border: var(--bd);
  box-shadow: var(--shadow-mid);
  background: var(--panel);
  overflow: hidden;
}

.page-products .prod-strip {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4px;
  margin-top: 40px;
}

.page-products .prod-seg {
  position: relative;
  display: block;
  height: 50px;
  border: 2px solid var(--edge);
  background: var(--steel);
  cursor: default;
}

.page-products .prod-seg--hot {
  background: var(--mint);
}

.page-products .prod-seg--major {
  background: var(--coral);
}

.page-products .prod-seg__tip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translate(-50%, 4px);
  padding: 6px 10px;
  border: 2px solid var(--mint);
  background: var(--edge);
  color: var(--mist);
  font-size: 12px;
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  z-index: 5;
  transition: opacity 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-products .prod-seg--left .prod-seg__tip {
  left: 0;
  transform: translate(0, 4px);
}

.page-products .prod-seg--right .prod-seg__tip {
  left: auto;
  right: 0;
  transform: translate(0, 4px);
}

.page-products .prod-seg:hover .prod-seg__tip,
.page-products .prod-seg:focus-within .prod-seg__tip {
  opacity: 1;
  transform: translate(-50%, 0);
}

.page-products .prod-seg--left:hover .prod-seg__tip,
.page-products .prod-seg--right:hover .prod-seg__tip,
.page-products .prod-seg--left:focus-within .prod-seg__tip,
.page-products .prod-seg--right:focus-within .prod-seg__tip {
  transform: translate(0, 0);
}

/* ---------- 05 装不上怎么办 ---------- */
.page-products .prod-trouble {
  background: var(--sand);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  color: var(--on-sand);
  padding: clamp(24px, 4.6vw, 52px) 0;
}

.page-products .prod-trouble .eyebrow {
  color: var(--coral);
}

.page-products .prod-trouble .section-title {
  color: var(--on-sand);
}

.page-products .prod-trouble .prod-lead {
  color: var(--on-sand);
}

.page-products .prod-qas {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-products .prod-qa {
  border: 3px solid var(--edge);
  box-shadow: var(--shadow-slim);
  background: var(--mist);
}

.page-products .prod-qa summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--on-sand);
  list-style: none;
}

.page-products .prod-qa summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-qa summary::before {
  content: "+";
  flex: none;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 2px solid var(--on-sand);
  font-family: var(--font-num);
  font-size: 14px;
  line-height: 1;
}

.page-products .prod-qa[open] summary::before {
  content: "–";
  background: var(--coral);
  border-color: var(--edge);
}

.page-products .prod-qa p {
  margin: 0;
  padding: 0 16px 16px 48px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-sand);
}

.page-products .prod-trouble__more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-sand);
}

.page-products .prod-trouble__more a {
  color: var(--on-sand);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 3px solid var(--coral);
}

.page-products .prod-trouble__more a:hover,
.page-products .prod-trouble__more a:focus-visible {
  color: var(--coral);
}

/* ---------- 06 老版本过渡 ---------- */
.page-products .prod-migrate {
  background: var(--panel);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4.6vw, 52px) 0;
}

.page-products .prod-migrate__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-products .prod-migrate__steps {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  counter-reset: mig;
}

.page-products .prod-migrate__steps li {
  counter-increment: mig;
  position: relative;
  padding: 12px 0 12px 46px;
  border-top: 2px solid var(--steel);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .prod-migrate__steps li:last-child {
  border-bottom: 2px solid var(--steel);
}

.page-products .prod-migrate__steps li::before {
  content: counter(mig, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--mint);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-migrate__steps b {
  color: var(--coral-soft);
  font-weight: 900;
}

.page-products .prod-migrate__media {
  margin: 0;
  border: var(--bd);
  box-shadow: var(--shadow-mid);
  background: var(--deep);
  overflow: hidden;
}

/* ---------- 悬浮入口 ---------- */
.page-products .floating-entry {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 3px solid var(--edge);
  border-radius: 999px;
  background: var(--coral);
  color: var(--edge);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: var(--shadow-mid);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .floating-entry[data-visible] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .prod-step {
    border-bottom: 0;
    border-right: var(--bd);
    padding: 26px 24px 30px;
  }

  .page-products .prod-step:last-child {
    border-right: 0;
  }

  .page-products .prod-step__arrow {
    display: block;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 34px;
    align-items: center;
  }

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

  .page-products .prod-migrate__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: stretch;
  }

  .page-products .prod-migrate__media {
    height: 100%;
  }

  .page-products .prod-migrate__media img {
    height: 100%;
    object-fit: cover;
  }
}

@media (min-width: 1040px) {
  .page-products .prod-devices {
    grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  }

  .page-products .prod-seg {
    height: 64px;
  }
}

@media (max-width: 420px) {
  .page-products .prod-fact {
    font-size: 12px;
    padding: 6px 10px;
  }

  .page-products .prod-fact b {
    font-size: 18px;
  }

  .page-products .prod-strip {
    gap: 3px;
  }

  .page-products .prod-seg {
    height: 42px;
  }

  .page-products .prod-devices {
    grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-step__arrow,
  .page-products .prod-device,
  .page-products .prod-seg__tip,
  .page-products .floating-entry {
    transition-duration: 0.01ms;
  }

  .page-products .prod-step:hover .prod-step__arrow {
    transform: none;
  }

  .page-products .prod-device:hover {
    transform: none;
  }
}
<<<END>>>