.page-products {
  --pd-cut: 16px;
  --pd-space: clamp(1.6rem, 4vw, 3rem);
  --pd-mono: "SFMono-Regular", "Menlo", "Consolas", "Roboto Mono", monospace;
  background: var(--c-concrete);
  color: var(--c-bone);
  overflow-x: clip;
}

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

.page-products .pd-sec-head {
  max-width: 62ch;
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
}

.page-products .pd-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.6vw, 2.75rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--c-bone);
  margin: 0.4rem 0 0.6rem;
}

.page-products .pd-sub {
  margin: 0;
  color: var(--c-dust);
  font-size: 1rem;
  line-height: 1.75;
}

.page-products .img-frame-caption {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--c-dust);
}

/* 面包屑 */
.page-products .breadcrumb {
  margin-bottom: clamp(1.1rem, 3vw, 1.8rem);
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.82rem;
  color: var(--c-dust);
}

.page-products .breadcrumb-list > li {
  display: inline-flex;
  align-items: center;
}

.page-products .breadcrumb-list > li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--c-steel);
}

.page-products .breadcrumb-link {
  color: var(--c-dust);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-products .breadcrumb-current {
  color: var(--c-bone);
}

/* 首屏 */
.page-products .pd-hero-grid {
  display: grid;
  gap: var(--pd-space);
}

.page-products .pd-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 8vw, 4.3rem);
  line-height: 0.97;
  letter-spacing: -0.02em;
  color: var(--c-bone);
  margin: 0.35rem 0 0;
  text-wrap: balance;
}

.page-products .pd-h1-num {
  display: inline-block;
  color: var(--c-orange);
  font-variant-numeric: tabular-nums;
  transform: skewX(-6deg);
}

.page-products .pd-lede {
  margin: 1rem 0 0;
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.75;
  color: rgba(242, 243, 240, 0.8);
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-products .pd-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 1.8rem;
  list-style: none;
  margin: 1.7rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--c-steel);
}

.page-products .pd-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--c-cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-stat-key {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.78rem;
  color: var(--c-dust);
}

.page-products .pd-hero-media {
  position: relative;
}

.page-products .pd-version-stamp {
  position: absolute;
  right: -0.3rem;
  bottom: 1.6rem;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 12vw, 6rem);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 2px var(--c-cyan);
  opacity: 0.5;
  pointer-events: none;
}

.page-products .pd-index {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.2rem 0 0.7rem;
  margin-top: var(--pd-space);
  scrollbar-width: thin;
}

.page-products .pd-index .toc-link {
  flex: 0 0 auto;
  padding: 0.5rem 0.9rem;
  font-size: 0.82rem;
  color: var(--c-dust);
  text-decoration: none;
  background: var(--c-graphite);
  border: 1px solid var(--c-steel);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-products .pd-index .toc-link:hover,
.page-products .pd-index .toc-link:focus-visible {
  color: var(--c-bone);
  border-color: var(--c-orange);
}

.page-products .pd-index .toc-link.is-current {
  color: var(--c-concrete);
  background: var(--c-orange);
  border-color: var(--c-orange);
}

/* 端侧选择 */
.page-products .pd-devices-head {
  display: grid;
  gap: var(--pd-space);
}

.page-products .pd-device-figure {
  margin: 0;
}

.page-products .pd-device-grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-products .pd-device {
  position: relative;
  padding: 1.1rem 1rem 1.2rem;
  background: var(--c-graphite);
  border-left: 3px solid var(--c-steel);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, var(--pd-cut) 100%, 0 calc(100% - var(--pd-cut)));
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-products .pd-device:hover {
  transform: translateY(-6px);
  border-left-color: var(--c-orange);
  background: #31353a;
}

.page-products .pd-device--web {
  border-left-color: var(--c-cyan);
}

.page-products .pd-device--web:hover {
  border-left-color: var(--c-cyan);
}

.page-products .pd-tag-cyan {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--c-concrete);
  background: var(--c-cyan);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.page-products .pd-device-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.15;
  letter-spacing: 0;
  color: var(--c-bone);
  margin: 0.6rem 0 0.25rem;
}

.page-products .pd-device-sys {
  margin: 0;
  font-family: var(--pd-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  color: var(--c-cyan);
}

.page-products .pd-device-note {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-dust);
}

/* 更新要点 */
.page-products .pd-whats-grid {
  display: grid;
  gap: var(--pd-space);
}

.page-products .pd-changes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .pd-change {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 0.1rem 0.9rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--c-steel);
}

.page-products .pd-change:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pd-change-num {
  grid-row: span 2;
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--c-orange);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-change h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--c-bone);
}

.page-products .pd-change p {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--c-dust);
}

.page-products .pd-whats-figure {
  margin: 0;
}

/* 骨白反色区 */
.page-products .section--bone {
  color: var(--c-concrete);
}

.page-products .section--bone .pd-h2 {
  color: var(--c-concrete);
}

.page-products .section--bone .pd-sub {
  color: #4a4f55;
}

.page-products .section--bone .eyebrow {
  color: var(--c-orange-deep);
}

.page-products .section--bone .img-frame-caption {
  color: #4a4f55;
}

/* 兼容性表格 */
.page-products .pd-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--c-steel);
  background: rgba(255, 255, 255, 0.35);
}

.page-products .pd-table {
  width: 100%;
  min-width: 740px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-products .pd-table thead th {
  background: var(--c-concrete);
  color: var(--c-bone);
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  padding: 0.85rem 1rem;
  white-space: nowrap;
}

.page-products .pd-table thead th:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
}

.page-products .pd-table tbody th[scope="row"] {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--c-bone);
  color: var(--c-concrete);
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
  padding: 0.85rem 1rem;
}

.page-products .pd-table tbody tr:nth-child(even) {
  background: rgba(30, 32, 35, 0.05);
}

.page-products .pd-table tbody tr:nth-child(even) th[scope="row"] {
  background: #e7e8e4;
}

.page-products .pd-table tbody td {
  padding: 0.85rem 1rem;
  color: #3a3e43;
  line-height: 1.65;
  vertical-align: top;
}

.page-products .pd-table .pd-ok {
  background: rgba(0, 229, 255, 0.14);
  box-shadow: inset 4px 0 0 var(--c-cyan-deep);
  color: #04505b;
  font-weight: 600;
}

.page-products .pd-table .pd-bad {
  background: rgba(229, 72, 77, 0.13);
  box-shadow: inset 4px 0 0 var(--c-alert);
  color: #8d1c20;
  font-weight: 600;
}

/* 三步升级 */
.page-products .pd-upgrade {
  padding-top: clamp(0.4rem, 1vw, 1rem);
}

.page-products .pd-upgrade-grid {
  display: grid;
  gap: var(--pd-space);
}

.page-products .pd-upgrade-figure {
  margin: 0;
}

.page-products .pd-progress {
  height: 6px;
  background: rgba(30, 32, 35, 0.14);
  overflow: hidden;
}

.page-products .pd-progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--c-orange), var(--c-cyan-deep));
  transition: width 320ms var(--ease);
}

.page-products .pd-progress-text {
  margin: 0.5rem 0 1.2rem;
  font-size: 0.78rem;
  color: #5b6066;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .pd-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 0.9rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(30, 32, 35, 0.14);
}

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

.page-products .pd-step-num {
  position: relative;
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 0.9;
  color: var(--c-concrete);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-step-num::after {
  content: "";
  position: absolute;
  left: 2px;
  bottom: -0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-orange);
}

.page-products .pd-step-body h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--c-concrete);
}

.page-products .pd-step-body p {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: #4a4f55;
}

.page-products .pd-step-check {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.7rem;
}

.page-products .pd-check {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin: 0;
  border: 2px solid var(--c-steel);
  background: transparent;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .pd-check:checked {
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-products .pd-check:focus-visible {
  outline: 2px solid var(--c-cyan-deep);
  outline-offset: 3px;
}

.page-products .pd-check-label {
  font-size: 0.82rem;
  color: #5b6066;
  cursor: pointer;
  user-select: none;
}

.page-products .pd-check:checked + .pd-check-label {
  color: var(--c-orange-deep);
  font-weight: 600;
}

.page-products .pd-steps-wrap:has(#pd-s1:checked) .pd-progress-bar {
  width: 33.33%;
}

.page-products .pd-steps-wrap:has(#pd-s1:checked):has(#pd-s2:checked) .pd-progress-bar {
  width: 66.66%;
}

.page-products .pd-steps-wrap:has(#pd-s1:checked):has(#pd-s2:checked):has(#pd-s3:checked) .pd-progress-bar {
  width: 100%;
}

/* 装好后先做 */
.page-products .pd-first-grid {
  display: grid;
  gap: var(--pd-space);
}

.page-products .pd-first-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-products .pd-first-list > li {
  padding: 0.9rem 0 0.9rem 1rem;
  border-left: 3px solid var(--c-orange);
  background: linear-gradient(90deg, rgba(255, 90, 31, 0.09), transparent 72%);
}

.page-products .pd-first-list h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--c-bone);
}

.page-products .pd-first-list p {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--c-dust);
}

.page-products .pd-first-figure {
  margin: 0;
}

/* 尾部去向 */
.page-products .pd-next-head {
  max-width: 62ch;
}

.page-products .pd-next-grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-products .pd-next-card {
  display: grid;
  gap: 0.45rem;
  align-content: start;
  padding: 1.15rem 1.05rem 1.3rem;
  background: var(--c-graphite);
  border-top: 3px solid var(--c-steel);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, var(--pd-cut) 100%, 0 calc(100% - var(--pd-cut)));
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-products .pd-next-card:hover,
.page-products .pd-next-card:focus-visible {
  transform: translateY(-4px);
  border-top-color: var(--c-cyan);
  background: #31353a;
}

.page-products .pd-next-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-products .pd-next-title {
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--c-bone);
}

.page-products .pd-next-go {
  font-size: 0.82rem;
  color: var(--c-orange);
}

.page-products .pd-home-line {
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
}

/* 栅格与响应式 */
@media (min-width: 760px) {
  .page-products .pd-device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pd-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .pd-first-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .pd-devices-head {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .pd-whats-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-products .pd-upgrade-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-products .pd-device-grid {
    grid-template-columns: 1.18fr 0.92fr 1.06fr 0.84fr;
    align-items: start;
  }

  .page-products .pd-device:nth-child(2) {
    margin-top: 26px;
  }

  .page-products .pd-device:nth-child(3) {
    margin-top: 10px;
  }

  .page-products .pd-device:nth-child(4) {
    margin-top: 40px;
  }

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

  .page-products .pd-next-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-products .pd-next-card:nth-child(3) {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-device,
  .page-products .pd-next-card,
  .page-products .pd-progress-bar,
  .page-products .pd-check,
  .page-products .pd-index .toc-link {
    transition: none;
  }

  .page-products .pd-device:hover,
  .page-products .pd-next-card:hover {
    transform: none;
  }
}