.page-products {
  --pt-radius: 22px;
  --pt-gap: clamp(18px, 3vw, 32px);
  background: var(--umi-paper);
  color: var(--umi-ink);
  font-family: var(--umi-sans);
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products figure {
  margin: 0;
}

.page-products .pt-figure img {
  width: 100%;
  border: 1px solid var(--umi-line);
  border-radius: var(--pt-radius);
  object-fit: cover;
  background: var(--umi-card);
}

.page-products .pt-figure .umi-media__caption {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--umi-text);
  line-height: 1.6;
}

.page-products .pt-head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-products .pt-head .umi-lede {
  margin-top: 12px;
  color: var(--umi-text);
}

.page-products .pt-link {
  color: var(--umi-ink);
  text-decoration: underline;
  text-decoration-color: var(--umi-signal);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 600;
}

.page-products .pt-link:hover {
  color: var(--umi-signal);
}

/* ---------- 首屏 ---------- */
.page-products .pt-hero {
  padding-block: clamp(24px, 5vw, 54px) clamp(28px, 5vw, 58px);
  border-bottom: 1px solid var(--umi-line);
  background:
    radial-gradient(130% 100% at 96% -10%, rgba(246, 178, 122, 0.4), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(228, 218, 203, 0.55), transparent 60%),
    var(--umi-paper);
}

.page-products .pt-hero__inner {
  display: grid;
  gap: var(--pt-gap);
}

.page-products .pt-hero .umi-breadcrumb {
  font-family: var(--umi-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--umi-text);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.page-products .pt-hero .umi-breadcrumb a {
  color: var(--umi-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .pt-hero .umi-breadcrumb a:hover {
  color: var(--umi-ink);
  border-bottom-color: var(--umi-signal);
}

.page-products .pt-hero__title {
  margin: 14px 0 0;
  font-size: clamp(2rem, 6.4vw, 3.85rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 800;
  max-width: 17ch;
  color: var(--umi-ink);
}

.page-products .pt-hero__lede {
  margin-top: 18px;
  color: var(--umi-text);
  max-width: 52ch;
}

.page-products .pt-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pt-hero__aside {
  position: relative;
  background: var(--umi-card);
  border: 1px solid var(--umi-line);
  border-radius: var(--pt-radius);
  padding: clamp(18px, 3vw, 26px);
  padding-left: clamp(24px, 4vw, 32px);
  box-shadow: var(--umi-shadow-card);
  overflow: hidden;
}

.page-products .pt-hero__aside::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--umi-signal), var(--umi-amber));
}

.page-products .pt-hero__aside-kicker {
  margin: 0;
  font-family: var(--umi-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--umi-text);
}

.page-products .pt-hero__version {
  margin: 6px 0 0;
  font-size: clamp(2.4rem, 7vw, 3.2rem);
  line-height: 1;
  font-weight: 700;
  color: var(--umi-signal);
}

.page-products .pt-hero__aside-name {
  margin: 6px 0 0;
  font-weight: 700;
  color: var(--umi-ink);
}

.page-products .pt-hero__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pt-hero__list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.94rem;
  color: var(--umi-text);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--umi-line);
}

.page-products .pt-hero__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pt-hero__num {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--umi-ink);
  min-width: 2ch;
}

.page-products .pt-hero__aside-foot {
  margin: 18px 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--umi-text);
}

/* ---------- 数据条 ---------- */
.page-products .pt-strip {
  background: var(--umi-warm);
  border-bottom: 1px solid var(--umi-line);
}

.page-products .pt-strip__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  padding-block: clamp(20px, 3vw, 28px);
}

.page-products .pt-strip__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pt-strip__value {
  font-size: clamp(1.4rem, 3.4vw, 1.8rem);
  font-weight: 700;
  color: var(--umi-ink);
  line-height: 1;
}

.page-products .pt-strip__label {
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--umi-text);
}

/* ---------- 六类能力 ---------- */
.page-products .pt-capabilities__body {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-products .pt-capabilities__figure {
  margin: 0;
}

.page-products .pt-capabilities__list {
  display: grid;
  align-content: start;
}

.page-products .pt-cap {
  border-bottom: 1px dashed var(--umi-line);
  padding-block: 14px;
}

.page-products .pt-cap:first-child {
  border-top: 1px dashed var(--umi-line);
}

.page-products .pt-cap .umi-details__summary {
  font-weight: 700;
  color: var(--umi-ink);
  font-size: 0.98rem;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

.page-products .pt-cap .umi-details__body p {
  margin: 10px 0 4px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--umi-text);
}

/* ---------- V4 ---------- */
.page-products .pt-v4__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pt-v4__text {
  margin: 14px 0 0;
  color: var(--umi-text);
  line-height: 1.78;
  max-width: 54ch;
}

.page-products .pt-v4__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pt-v4__facts li {
  padding: 16px 0 0;
  border-top: 2px solid var(--umi-warm);
}

.page-products .pt-v4__num {
  display: block;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--umi-signal);
  line-height: 1;
  margin-bottom: 8px;
}

.page-products .pt-v4__facts .umi-h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--umi-ink);
}

.page-products .pt-v4__facts p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--umi-text);
}

.page-products .pt-v4__sidebar {
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--umi-line);
  border-left: 5px solid var(--umi-signal);
  border-radius: 16px;
  background: var(--umi-paper);
}

.page-products .pt-v4__sidebar-title {
  margin: 0 0 14px;
  font-weight: 700;
  color: var(--umi-ink);
  font-size: 0.98rem;
}

.page-products .pt-bookmarks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pt-bookmarks li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--umi-text);
}

.page-products .pt-bookmarks__tag {
  font-family: var(--umi-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: var(--umi-r-pill);
  background: var(--umi-ink);
  color: var(--umi-card);
  flex: none;
}

.page-products .pt-v4 .umi-note {
  margin-top: 24px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--umi-text);
  padding: 14px 16px;
  background: rgba(246, 178, 122, 0.16);
  border-radius: 12px;
}

.page-products .pt-v4__figure {
  margin: 0;
}

/* ---------- 镜像对照 ---------- */
.page-products .pt-compare__figure {
  margin: 0 0 clamp(22px, 4vw, 36px);
}

.page-products .pt-diff {
  display: grid;
  gap: 14px;
}

.page-products .pt-diff__head {
  display: none;
}

.page-products .pt-diff__row {
  display: grid;
  gap: 10px;
}

.page-products .pt-diff__axis {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--umi-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--umi-text);
}

.page-products .pt-diff__axis::after {
  content: "";
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--umi-line) 0 6px, transparent 6px 12px);
}

.page-products .pt-diff__cell {
  padding: 15px 17px;
  border-radius: 16px;
  border: 1px solid var(--umi-line);
  background: var(--umi-card);
  transition: background-color 0.2s var(--umi-ease), border-color 0.2s var(--umi-ease);
}

.page-products .pt-diff__cell--old {
  border-left: 4px solid var(--umi-old);
}

.page-products .pt-diff__cell--new {
  border-left: 4px solid var(--umi-new);
}

.page-products .pt-diff__label {
  display: block;
  font-family: var(--umi-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--umi-text);
  margin-bottom: 6px;
}

.page-products .pt-diff__cell--old .pt-diff__label {
  color: var(--umi-old);
}

.page-products .pt-diff__cell--new .pt-diff__label {
  color: var(--umi-new);
}

.page-products .pt-diff__cell p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--umi-text);
}

.page-products .pt-compare__foot {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-products .pt-compare__foot p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--umi-text);
  max-width: 58ch;
}

.page-products .pt-compare__foot .umi-btn {
  justify-self: start;
}

/* ---------- 版本矩阵 ---------- */
.page-products .pt-matrix__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pt-matrix__text {
  margin: 14px 0 0;
  color: var(--umi-text);
  line-height: 1.78;
  max-width: 52ch;
}

.page-products .pt-matrix__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pt-matrix__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--umi-line);
  background: var(--umi-card);
  box-shadow: var(--umi-shadow-card);
}

.page-products .pt-matrix__item--current {
  border-color: var(--umi-new);
  border-left: 5px solid var(--umi-new);
}

.page-products .pt-matrix__no {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--umi-old);
  letter-spacing: -0.02em;
}

.page-products .pt-matrix__item--current .pt-matrix__no {
  color: var(--umi-new);
}

.page-products .pt-matrix__body .umi-h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--umi-ink);
}

.page-products .pt-matrix__body p {
  margin: 0 0 8px;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--umi-text);
}

.page-products .pt-matrix__meta {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--umi-ink);
  border-top: 1px dashed var(--umi-line);
  padding-top: 8px;
  margin-bottom: 0;
}

.page-products .pt-matrix__figure {
  margin: 0;
}

/* ---------- 场景模板 ---------- */
.page-products .pt-scenes__figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .pt-scenes__grid {
  display: grid;
  gap: 14px;
}

.page-products .pt-scene {
  padding: 18px 20px;
  border: 1px solid var(--umi-line);
  border-radius: 18px;
  background: var(--umi-card);
  box-shadow: var(--umi-shadow-card);
}

.page-products .pt-scene .umi-details__summary {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--umi-ink);
  cursor: pointer;
  line-height: 1.5;
}

.page-products .pt-scene .umi-details__body p {
  margin: 12px 0 10px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--umi-text);
}

.page-products .pt-scene .umi-details__body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
}

.page-products .pt-scene .umi-details__body li {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--umi-text);
}

/* ---------- 五步流程 ---------- */
.page-products .pt-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: none;
}

.page-products .pt-flow__step {
  padding-top: 16px;
  border-top: 2px dashed var(--umi-line);
}

.page-products .pt-flow__no {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--umi-signal);
  letter-spacing: 0.06em;
  line-height: 1;
}

.page-products .pt-flow__step .umi-h3 {
  margin: 8px 0 6px;
  font-size: 1rem;
  color: var(--umi-ink);
}

.page-products .pt-flow__step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--umi-text);
}

/* ---------- 服务商 ---------- */
.page-products .pt-partners {
  color: var(--umi-card);
}

.page-products .pt-partners__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pt-partners__lead .umi-eyebrow {
  color: var(--umi-amber);
}

.page-products .pt-partners__lead .umi-h2 {
  color: var(--umi-card);
}

.page-products .pt-partners__text {
  margin: 14px 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255, 253, 247, 0.78);
  max-width: 54ch;
}

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

.page-products .pt-partners__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 253, 247, 0.82);
}

.page-products .pt-partners__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--umi-signal);
}

.page-products .pt-partners__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pt-partners__cards {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pt-partners__card {
  padding: 20px;
  border-radius: 18px;
  border: 1px solid rgba(255, 253, 247, 0.22);
  background: rgba(255, 253, 247, 0.07);
  backdrop-filter: blur(6px);
}

.page-products .pt-partners__card-no {
  margin: 0 0 8px;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--umi-amber);
}

.page-products .pt-partners__card .umi-h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--umi-card);
}

.page-products .pt-partners__card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: rgba(255, 253, 247, 0.76);
}

/* ---------- 下一页入口 ---------- */
.page-products .pt-next__title {
  margin-bottom: 20px;
}

.page-products .pt-next__links {
  display: grid;
  gap: 12px;
}

.page-products .pt-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--umi-line);
  border-radius: 14px;
  background: var(--umi-card);
  color: var(--umi-ink);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 600;
  transition: border-color 0.2s var(--umi-ease), transform 0.2s var(--umi-ease), box-shadow 0.2s var(--umi-ease);
}

.page-products .pt-next__link::after {
  content: "→";
  font-family: var(--umi-mono);
  color: var(--umi-signal);
  flex: none;
}

.page-products .pt-next__link:hover,
.page-products .pt-next__link:focus-visible {
  border-color: var(--umi-signal);
  transform: translateY(-2px);
  box-shadow: var(--umi-shadow-card);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pt-v4__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

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

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

@media (min-width: 760px) {
  .page-products .pt-strip__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pt-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-products .pt-compare__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .pt-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.8fr);
    align-items: end;
  }

  .page-products .pt-capabilities__body {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .pt-v4__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-products .pt-matrix__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .pt-partners__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .pt-diff__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 116px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    margin-bottom: 4px;
  }

  .page-products .pt-diff__head-axis {
    font-family: var(--umi-mono);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    color: var(--umi-text);
    text-align: center;
    border-top: 1px solid var(--umi-line);
    border-bottom: 1px solid var(--umi-line);
    padding: 6px 0;
  }

  .page-products .pt-diff__row {
    grid-template-columns: minmax(0, 1fr) 116px minmax(0, 1fr);
    align-items: stretch;
    gap: 12px;
  }

  .page-products .pt-diff__axis {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 6px;
    font-size: 0.7rem;
  }

  .page-products .pt-diff__axis::after {
    display: none;
  }

  .page-products .pt-diff__cell {
    height: 100%;
  }

  .page-products .pt-diff__row:hover .pt-diff__cell--old {
    background: rgba(110, 143, 166, 0.13);
    border-color: var(--umi-old);
  }

  .page-products .pt-diff__row:hover .pt-diff__cell--new {
    background: rgba(47, 125, 109, 0.13);
    border-color: var(--umi-new);
  }
}

@media (min-width: 1024px) {
  .page-products .pt-flow__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

  .page-products .pt-hero__title {
    max-width: 15ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pt-diff__cell,
  .page-products .pt-next__link {
    transition: none;
  }

  .page-products .pt-next__link:hover {
    transform: none;
  }
}