.page-products {
  --pd-line: 1px dashed var(--umi-rule);
}

.page-products .umi-section {
  padding-block: clamp(56px, 8vw, 104px);
}

.page-products .pd-h2 {
  font-size: clamp(27px, 4.2vw, 46px);
  line-height: 1.16;
  font-weight: 300;
  letter-spacing: -0.01em;
  margin: 12px 0 18px;
}

.page-products .umi-eyebrow {
  text-transform: none;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-top: clamp(18px, 3vw, 36px);
}

.page-products .pd-hero__split {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pd-hero__title {
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.08;
  font-weight: 250;
  letter-spacing: -0.02em;
  margin: 10px 0 20px;
}

.page-products .pd-hero__lead {
  max-width: 32em;
  color: var(--umi-ink-soft);
}

.page-products .pd-seq {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-width: 34em;
}

.page-products .pd-seq__item {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: var(--pd-line);
}

.page-products .pd-seq__item:first-child {
  border-top: var(--pd-line);
}

.page-products .pd-seq__num {
  font-family: var(--umi-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--umi-amber);
}

.page-products .pd-seq__text {
  color: var(--umi-ink);
  line-height: 1.7;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .pd-hero__device {
  position: relative;
  padding: clamp(16px, 3vw, 26px);
  border-radius: var(--umi-radius-lg);
  background: linear-gradient(160deg, var(--umi-paper-2), var(--umi-paper) 62%);
  border: 1px solid var(--umi-rule);
}

.page-products .pd-device {
  display: block;
  width: 100%;
  max-width: 330px;
  height: auto;
  margin-inline: auto;
}

.page-products .pd-device .dev-frame {
  fill: var(--umi-paper);
  stroke: var(--umi-ink);
  stroke-width: 2;
}

.page-products .pd-device .dev-notch {
  fill: var(--umi-rule);
}

.page-products .pd-device .dev-block {
  fill: var(--umi-mist);
}

.page-products .pd-device .dev-line {
  fill: var(--umi-ink-soft);
  opacity: 0.42;
}

.page-products .pd-device .dev-line--s {
  opacity: 0.26;
}

.page-products .pd-device .dev-highlight {
  fill: none;
  stroke: var(--umi-amber);
  stroke-width: 2.5;
  stroke-dasharray: 8 6;
  transition: stroke-width 180ms ease-out;
}

.page-products .pd-hero__device:hover .pd-device .dev-highlight {
  stroke-width: 3.6;
}

.page-products .pd-device .dev-label {
  fill: var(--umi-red);
  font-family: var(--umi-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-products .pd-device .dev-tile {
  fill: var(--umi-paper);
  stroke: var(--umi-rule);
  stroke-width: 1.5;
}

.page-products .pd-device .dev-bar {
  fill: var(--umi-paper);
}

.page-products .pd-device .dev-foot {
  fill: var(--umi-mist);
}

.page-products .pd-device .dev-dot {
  fill: var(--umi-ink-soft);
  opacity: 0.32;
}

.page-products .pd-hero__caption {
  margin: 16px 0 0;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--umi-ink-soft);
}

/* ---------- 下载步骤 ---------- */
.page-products .pd-download__head {
  max-width: 46em;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-products .pd-download__split {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .pd-download__steps {
  display: grid;
  gap: 18px;
}

.page-products .pd-step {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--umi-rule);
  border-radius: var(--umi-radius-md);
  background: var(--umi-paper);
}

.page-products .pd-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-products .pd-step__head .umi-step__num {
  font-family: var(--umi-font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--umi-amber);
}

.page-products .pd-step__head .umi-step__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.page-products .pd-step__head .umi-step__num,
.page-products .pd-step__head .umi-step__title {
  flex: 0 1 auto;
}

.page-products .pd-step .umi-step__body {
  color: var(--umi-ink);
  line-height: 1.85;
}

.page-products .pd-step .umi-step__body p {
  margin: 0;
}

.page-products .pd-step .umi-step__check {
  margin-top: 14px;
  border: 1px dashed var(--umi-rule);
  background: var(--umi-paper-2);
  color: var(--umi-ink-soft);
  border-radius: var(--umi-radius-pill);
  padding: 6px 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 160ms ease-out, color 160ms ease-out, border-color 160ms ease-out;
}

.page-products .pd-step[data-done] .umi-step__check {
  background: var(--umi-green);
  border-color: var(--umi-green);
  color: var(--umi-paper);
}

.page-products .pd-download__aside {
  padding-left: clamp(14px, 2vw, 22px);
  border-left: var(--pd-line);
}

.page-products .pd-download__figure {
  margin: 0;
}

.page-products .pd-aside__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--umi-ink-soft);
  border-top: var(--pd-line);
  padding-top: 14px;
}

/* ---------- 首页第二栏入口 ---------- */
.page-products .pd-entry__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-products .pd-entry__figure {
  margin: 0;
  border-radius: var(--umi-radius-lg);
  overflow: hidden;
}

.page-products .pd-entry__text {
  max-width: 34em;
  line-height: 1.85;
}

.page-products .pd-entry__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 36em;
}

.page-products .pd-entry__list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.8;
  border-bottom: var(--pd-line);
  padding-bottom: 14px;
}

.page-products .pd-entry__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--umi-amber);
}

.page-products .pd-entry__list strong {
  color: var(--umi-teal-ink);
  font-weight: 600;
}

.page-products .pd-entry .umi-note {
  margin-top: 26px;
  max-width: 34em;
}

/* ---------- 核心能力 ---------- */
.page-products .pd-caps__head {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-products .pd-caps__figure {
  margin: 0;
}

.page-products .pd-caps__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(26px, 3vw, 40px);
}

.page-products .pd-func-scope {
  min-height: 1px;
}

.page-products .pd-func-grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-products .pd-func {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--umi-rule);
  border-radius: var(--umi-radius-md);
  background: var(--umi-paper);
}

.page-products .pd-func .umi-index {
  font-family: var(--umi-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--umi-teal-ink);
  margin: 0;
}

.page-products .pd-func__title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
}

.page-products .pd-func__desc {
  margin: 0;
  line-height: 1.8;
  color: var(--umi-ink-soft);
}

.page-products .pd-func__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-func__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--umi-ink);
}

.page-products .pd-func__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--umi-rule);
}

.page-products .pd-func .umi-collapse-group {
  margin-top: auto;
  padding-top: 12px;
  border-top: var(--pd-line);
}

.page-products .pd-func .umi-collapse__btn {
  background: none;
  border: 0;
  padding: 6px 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--umi-teal-ink);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dashed;
  text-underline-offset: 5px;
}

.page-products .pd-func .umi-collapse__body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--umi-ink-soft);
}

.page-products .pd-func .umi-collapse__body p {
  margin: 8px 0 0;
}

/* ---------- 跨设备 ---------- */
.page-products .pd-cross__split {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .pd-cross__eyebrow {
  color: var(--umi-amber);
}

.page-products .pd-cross__title {
  color: var(--umi-paper);
}

.page-products .pd-cross__lead {
  max-width: 34em;
  line-height: 1.85;
  color: var(--umi-mist);
}

.page-products .pd-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 24px 0 22px;
}

.page-products .pd-status__hint {
  font-family: var(--umi-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--umi-mist);
  opacity: 0.8;
}

.page-products .pd-cross__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 34em;
}

.page-products .pd-cross__list li {
  position: relative;
  padding-left: 18px;
  line-height: 1.8;
  color: var(--umi-paper-2);
}

.page-products .pd-cross__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--umi-teal);
}

.page-products .pd-cross__cta {
  margin-top: 26px;
  border-color: var(--umi-mist);
  color: var(--umi-paper);
}

.page-products .pd-cross__figure {
  margin: 0;
  border-radius: var(--umi-radius-lg);
  overflow: hidden;
}

/* ---------- 版本节奏 ---------- */
.page-products .pd-versions__lead {
  max-width: 40em;
  color: var(--umi-ink-soft);
}

.page-products .pd-version-list {
  margin-top: clamp(26px, 3vw, 40px);
  border-top: var(--pd-line);
}

.page-products .pd-version-row {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: var(--pd-line);
}

.page-products .pd-version-row__key {
  margin: 0;
  font-family: var(--umi-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--umi-amber);
}

.page-products .pd-version-row__text {
  margin: 0;
  line-height: 1.85;
  max-width: 44em;
}

/* ---------- 导出与安全 ---------- */
.page-products .pd-export__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-products .pd-export__text {
  max-width: 34em;
  line-height: 1.85;
}

.page-products .pd-formats {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pd-format {
  border-radius: var(--umi-radius-md);
  background: var(--umi-mist);
  border-left: 3px solid var(--umi-teal);
  padding: 16px 18px;
}

.page-products .pd-format__name {
  margin: 0 0 6px;
  font-family: var(--umi-font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--umi-teal-ink);
}

.page-products .pd-format__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--umi-ink);
}

.page-products .pd-safety {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 36em;
}

.page-products .pd-safety li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--umi-ink-soft);
}

.page-products .pd-safety li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--umi-red);
}

.page-products .pd-export__figure {
  margin: 0;
  border-radius: var(--umi-radius-lg);
  overflow: hidden;
}

/* ---------- 适配范围 ---------- */
.page-products .pd-compat__lead {
  max-width: 40em;
  color: var(--umi-ink-soft);
}

.page-products .pd-band {
  margin-top: clamp(22px, 3vw, 34px);
  overflow-x: auto;
  overflow-y: hidden;
  padding: 6px 0 20px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%);
}

.page-products .pd-band:focus-visible {
  outline: 2px dashed var(--umi-teal);
  outline-offset: 4px;
}

.page-products .pd-band__inner {
  display: flex;
  gap: 12px;
  width: max-content;
  padding-inline: 6px;
}

.page-products .pd-chip {
  flex: 0 0 auto;
  padding: 10px 18px;
  border-radius: var(--umi-radius-pill);
  border: var(--pd-line);
  background: var(--umi-paper-2);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--umi-ink);
  transition: background 160ms ease-out, transform 160ms ease-out;
}

.page-products .pd-chip:hover {
  background: var(--umi-mist);
  transform: translateY(-2px);
}

.page-products .pd-compat__faq {
  margin-top: clamp(16px, 2vw, 26px);
  border-top: var(--pd-line);
}

.page-products .pd-compat__faq .umi-collapse {
  border-bottom: var(--pd-line);
}

.page-products .pd-compat__faq .umi-collapse__btn {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: 18px 30px 18px 2px;
  font-size: 15px;
  font-weight: 500;
  color: var(--umi-ink);
  cursor: pointer;
  position: relative;
}

.page-products .pd-compat__faq .umi-collapse__btn::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--umi-font-mono);
  color: var(--umi-teal);
}

.page-products .pd-compat__faq .umi-collapse__btn[aria-expanded="true"]::after {
  content: "–";
}

.page-products .pd-compat__faq .umi-collapse__body {
  padding: 0 0 20px;
  max-width: 40em;
  line-height: 1.85;
  color: var(--umi-ink-soft);
}

.page-products .pd-compat__faq .umi-collapse__body p {
  margin: 0;
}

/* ---------- 延伸入口 ---------- */
.page-products .pd-more {
  padding-block: clamp(40px, 6vw, 72px);
}

.page-products .pd-more__card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: clamp(20px, 2.4vw, 26px);
  border: 1px solid var(--umi-rule);
  border-radius: var(--umi-radius-md);
  background: var(--umi-paper);
}

.page-products .pd-more__card .umi-index {
  margin: 0 0 8px;
  font-family: var(--umi-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--umi-ink-soft);
}

.page-products .pd-more__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.page-products .pd-more__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--umi-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pd-version-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }

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

  .page-products .pd-func:nth-child(3n) {
    margin-top: 26px;
  }

  .page-products .pd-caps__head {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: end;
  }

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

@media (min-width: 960px) {
  .page-products .pd-hero__split {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-download__split {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-entry__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
  }

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

  .page-products .pd-func:nth-child(3n) {
    margin-top: 0;
  }

  .page-products .pd-func:nth-child(2n) {
    margin-top: 30px;
  }

  .page-products .pd-func:nth-child(3n + 1) {
    margin-top: -14px;
  }

  .page-products .pd-cross__split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .pd-export__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-device .dev-highlight,
  .page-products .pd-chip,
  .page-products .pd-step .umi-step__check {
    transition: none;
  }

  .page-products .pd-chip:hover {
    transform: none;
  }
}