.page-products {
  --prod-gap: clamp(16px, 3vw, 32px);
  --prod-frame: 2px solid var(--edge-strong);
  --prod-soft: rgba(7, 27, 51, .06);
}

/* ============ 面包屑 ============ */
.page-products .crumbs {
  margin-bottom: clamp(20px, 3.4vw, 36px);
}

/* ============ 首屏 ============ */
.page-products .prod-hero {
  padding-block: clamp(22px, 4vw, 46px) clamp(48px, 7vw, 88px);
  background:
    radial-gradient(920px 430px at 84% -12%, rgba(45, 125, 255, .20), transparent 62%),
    radial-gradient(640px 330px at 2% 106%, rgba(0, 224, 184, .12), transparent 60%);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-products .prod-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.4vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -.012em;
  margin: .32em 0 .5em;
  color: var(--ink);
  text-wrap: balance;
  transform: rotate(-1.2deg);
  transform-origin: left center;
}

.page-products .prod-hero .lede {
  max-width: 54ch;
  margin: 0;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-products .prod-hero__stats {
  list-style: none;
  margin: clamp(28px, 4.4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .prod-hero__stats .stat {
  padding-left: 14px;
}

.page-products .prod-hero__stats .stat__label {
  display: block;
  font-size: .84rem;
}

.page-products .prod-hero__panel {
  border: var(--prod-frame);
  background:
    linear-gradient(158deg, rgba(45, 125, 255, .16), transparent 56%),
    var(--panel);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-products .prod-hero__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .prod-hero__index {
  border-top: 1px solid var(--edge);
  padding-top: 14px;
}

.page-products .prod-hero__index-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 12px;
}

.page-products .prod-hero__index-list li {
  min-width: 0;
}

.page-products .prod-hero__index-list .toc__link {
  display: block;
  padding: 6px 0;
  font-size: .9rem;
  line-height: 1.4;
  word-break: break-word;
}

/* ============ 服务范围 ============ */
.page-products .prod-scope {
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .prod-scope__filters {
  border: 2px solid rgba(7, 27, 51, .16);
  background: var(--paper);
  padding: clamp(16px, 2.6vw, 22px);
}

.page-products .prod-scope__filters-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--panel);
}

.page-products .prod-scope__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .section--light .tag {
  background: rgba(7, 27, 51, .07);
  color: var(--panel);
  border-color: rgba(7, 27, 51, .18);
}

.page-products .section--light .tag--orange {
  background: rgba(255, 107, 44, .14);
  color: #B33F0A;
  border-color: rgba(255, 107, 44, .42);
}

.page-products .prod-scope__hint {
  margin: 14px 0 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .prod-scope__list .data-list__row {
  align-items: baseline;
}

.page-products .prod-scope__list .num {
  color: var(--orange);
  font-size: 1.12em;
  margin-right: 2px;
}

.page-products .prod-scope__figure,
.page-products .prod-paths__figure,
.page-products .prod-v4__figure,
.page-products .prod-sync__figure,
.page-products .prod-records__figure {
  margin: clamp(30px, 4.6vw, 48px) 0 0;
}

.page-products .prod-scope__media,
.page-products .prod-paths__media,
.page-products .prod-v4__media,
.page-products .prod-sync__media,
.page-products .prod-records__media {
  border: var(--prod-frame);
  box-shadow: var(--shadow-hard);
}

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

/* ============ 路径对比 ============ */
.page-products .prod-paths {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .prod-path {
  border: var(--prod-frame);
  background: var(--panel);
  padding: clamp(18px, 2.8vw, 26px);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-path--short {
  border-color: var(--orange);
  background:
    linear-gradient(152deg, rgba(255, 107, 44, .18), transparent 58%),
    var(--panel);
}

.page-products .prod-path__label {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .03em;
  color: var(--muted);
}

.page-products .prod-path--short .prod-path__label {
  color: var(--orange);
}

.page-products .prod-path__steps {
  counter-reset: prodstep;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .prod-path__steps li {
  counter-increment: prodstep;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--edge);
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.5;
}

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

.page-products .prod-path__steps li::before {
  content: counter(prodstep, decimal-leading-zero);
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1rem;
  color: var(--edge-strong);
}

.page-products .prod-path--short .prod-path__steps li {
  color: var(--ink);
}

.page-products .prod-path--short .prod-path__steps li::before {
  color: var(--orange);
}

.page-products .prod-path__foot {
  margin: 14px 0 0;
  font-size: .82rem;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-products .prod-path--short .prod-path__foot {
  color: var(--teal);
}

.page-products .prod-pathway__note {
  margin-top: clamp(24px, 3.6vw, 34px);
}

/* ============ V4 三栏 ============ */
.page-products .prod-v4 {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .prod-v4__col {
  border: var(--prod-frame);
  background: var(--panel);
  padding: clamp(18px, 2.6vw, 26px);
  border-top: 4px solid var(--teal);
}

.page-products .prod-v4__col--focus {
  border-top-color: var(--orange);
  background:
    linear-gradient(150deg, rgba(255, 107, 44, .14), transparent 58%),
    var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-v4__index {
  display: block;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--edge-strong);
  margin-bottom: 12px;
}

.page-products .prod-v4__col--focus .prod-v4__index {
  color: var(--orange);
}

.page-products .prod-v4__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--ink);
}

.page-products .prod-v4__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .prod-v4__meta {
  margin: 16px 0 0;
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--teal);
}

/* ============ 跨端时间线 ============ */
.page-products .prod-sync {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 3px solid rgba(7, 27, 51, .18);
}

.page-products .prod-sync__step {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0 16px 18px;
  position: relative;
}

.page-products .prod-sync__step::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 24px;
  width: 13px;
  height: 13px;
  background: var(--panel);
  border: 3px solid var(--teal);
  border-radius: 50%;
}

.page-products .prod-sync__step:last-child::before {
  border-color: var(--orange);
}

.page-products .prod-sync__time {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--panel);
  letter-spacing: .03em;
}

.page-products .prod-sync__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--panel);
}

.page-products .prod-sync__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--graphite);
}

/* ============ 使用记录 ============ */
.page-products .prod-records {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .prod-records__side {
  border: var(--prod-frame);
  background: var(--panel);
  padding: clamp(18px, 2.6vw, 24px);
  border-left: 4px solid var(--blue);
}

.page-products .prod-records__lead {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--teal);
}

.page-products .prod-records__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .prod-records__badges {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============ 组合建议 ============ */
.page-products .prod-combos {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .prod-combos__card {
  border: var(--prod-frame);
  background: var(--panel);
  padding: clamp(18px, 2.6vw, 26px);
  display: flex;
  flex-direction: column;
}

.page-products .prod-combos__card--accent {
  border-color: var(--orange);
  background:
    linear-gradient(150deg, rgba(255, 107, 44, .16), transparent 60%),
    var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-combos__index {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--edge-strong);
  margin-bottom: 12px;
}

.page-products .prod-combos__card--accent .prod-combos__index {
  color: var(--orange);
}

.page-products .prod-combos__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

.page-products .prod-combos__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--muted);
  flex: 1 1 auto;
}

.page-products .prod-combos__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--edge);
  font-size: .84rem;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-products .prod-combos__name {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.05em;
  color: var(--teal);
}

.page-products .prod-combos__card--accent .prod-combos__name {
  color: var(--orange);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-products .prod-hero__stats .stat + .stat {
    border-left: 1px solid var(--edge);
    padding-left: 18px;
  }

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

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

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .prod-hero__panel {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-products .prod-scope {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-v4 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-products .prod-v4__col:nth-child(2) {
    transform: translateY(-14px);
  }

  .page-products .prod-records {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-products .prod-combos__card--accent {
    transform: translateY(-14px);
  }
}

@media (min-width: 1100px) {
  .page-products .prod-hero__index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-hero h1,
  .page-products .prod-v4__col,
  .page-products .prod-combos__card--accent {
    transform: none;
  }
}
<<<END>>>