.page-products {
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-products .pr-hero {
  padding-top: clamp(26px, 5vw, 54px);
}

.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-products .crumbs a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .pr-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-products .pr-kicker {
  margin: 0 0 .9em;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .pr-hero h1 {
  margin: 0 0 .45em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.15rem, 7.4vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -.035em;
  color: var(--paper);
}

.page-products .display--slant {
  display: inline-block;
  padding-right: .1em;
  transform: skewX(-6deg);
  color: var(--cyan);
}

.page-products .pr-lede {
  max-width: 46ch;
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: var(--fs-17);
  line-height: 1.68;
  letter-spacing: -.01em;
  color: var(--mute);
}

.page-products .pr-hero__facts {
  display: flex;
  flex-wrap: wrap;
  margin: 0 0 clamp(20px, 3.2vw, 30px);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-products .pr-hero__facts li {
  flex: 1 1 33%;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .7rem .85rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--mute);
}

.page-products .pr-hero__facts .numeric {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.page-products .pr-hero__media {
  position: relative;
  margin: 0;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 92% 100%, 0 100%);
}

.page-products .pr-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pr-sec {
  margin-top: clamp(50px, 8vw, 92px);
}

.page-products .pr-sec__head {
  max-width: 64ch;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-products .pr-sec h2 {
  margin: 0 0 .55em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.4vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -.025em;
  color: var(--paper);
}

.page-products .pr-sec__lead {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.7;
  color: var(--mute);
}

/* —— 四条产品线轨道 —— */
.page-products .pr-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 78%);
  gap: 1rem;
  margin: 0;
  padding: 0 0 .6rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.page-products .pr-card {
  position: relative;
  padding: 1.1rem 1.1rem 1.2rem;
  border: var(--edge);
  background: var(--panel);
  scroll-snap-align: start;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products .pr-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--cyan);
}

.page-products .pr-card:nth-child(2)::before { background: var(--pulse); }
.page-products .pr-card:nth-child(3)::before { background: var(--paper); }
.page-products .pr-card:nth-child(4)::before { background: var(--amber); }

.page-products .pr-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--hard);
}

.page-products .pr-card__index {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--mute);
}

.page-products .pr-card h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: var(--fs-22);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .pr-card__who {
  margin: 0 0 .9rem;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--paper);
}

.page-products .pr-card__note {
  margin: 0;
  padding-top: .7rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--mute);
}

/* —— 对照表配图 —— */
.page-products .pr-shot {
  margin: 0 0 clamp(18px, 3vw, 28px);
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  overflow: hidden;
}

.page-products .pr-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* —— 能力矩阵 —— */
.page-products .mx-wrap {
  overflow-x: auto;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  -webkit-overflow-scrolling: touch;
}

.page-products .mx {
  width: 100%;
  min-width: 760px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--fs-14);
}

.page-products .mx th,
.page-products .mx td {
  padding: .72rem .85rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
  border-bottom: 1px solid var(--line);
}

.page-products .mx thead th {
  background: var(--deck);
  border-bottom: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--mute);
}

.page-products .mx tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--deck);
  border-right: 1px solid var(--line);
  font-weight: 700;
  white-space: nowrap;
  color: var(--paper);
}

.page-products .mx tbody tr:nth-child(even) td {
  background: rgba(22, 30, 51, .55);
}

.page-products .mx tbody tr:hover td {
  background: rgba(34, 240, 228, .07);
}

.page-products .mx tbody td.mx__pick {
  background: rgba(34, 240, 228, .11);
  color: var(--paper);
}

.page-products .mx thead th.mx__pick {
  background: rgba(34, 240, 228, .2);
  color: var(--cyan);
}

.page-products .mx .mx__v--no {
  color: var(--mute);
}

.page-products .mx td.mx__pick.mx__v--no {
  color: var(--mute);
}

.page-products .pr-verdict {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding: .9rem 1.1rem;
  border-left: 3px solid var(--amber);
  background: rgba(255, 122, 26, .09);
  font-size: var(--fs-17);
  line-height: 1.65;
  color: var(--paper);
}

/* —— 版本差异并列 —— */
.page-products .vs-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .vs {
  min-width: 680px;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
}

.page-products .vs__head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.page-products .vs__head-cell {
  display: block;
  padding: .75rem .9rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--paper);
}

.page-products .vs__head-name {
  color: var(--mute);
}

.page-products .vs__head-a {
  border-left: 1px solid var(--line);
  border-top: 3px solid var(--pulse);
  background: rgba(168, 85, 247, .13);
}

.page-products .vs__head-b {
  border-left: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: rgba(34, 240, 228, .1);
}

.page-products .vs__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .vs__row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
}

.page-products .vs__row:not(:last-child) {
  border-bottom: 1px solid var(--line);
}

.page-products .vs__name {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .7rem .9rem;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--paper);
}

.page-products .vs__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-products .vs__a,
.page-products .vs__b {
  padding: .7rem .9rem;
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

.page-products .vs__a {
  color: var(--mute);
}

.page-products .vs__b {
  color: var(--cyan);
}

/* —— 接口章节 —— */
.page-products .api {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-products .api__copy h2 {
  margin: 0 0 .55em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.4vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -.025em;
  color: var(--paper);
}

.page-products .api__steps {
  margin: clamp(16px, 2.6vw, 24px) 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .6rem;
}

.page-products .api__steps li {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .45rem 0 .45rem .9rem;
  border-left: 2px solid var(--line);
  font-size: var(--fs-14);
  line-height: 1.55;
  color: var(--paper);
}

.page-products .api__steps .numeric {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--pulse);
}

.page-products .api__media {
  margin: 0;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  overflow: hidden;
}

.page-products .api__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .code {
  display: grid;
  gap: 1rem;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-products .code__pane {
  border: var(--edge);
  background: var(--ink);
  overflow: hidden;
}

.page-products .code__label {
  margin: 0;
  padding: .5rem .9rem;
  background: var(--deck);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .code__pane--alt .code__label {
  color: var(--pulse);
}

.page-products .code__pre {
  margin: 0;
  padding: .95rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.75;
  white-space: pre;
  color: var(--paper);
}

/* —— 起步方式 —— */
.page-products .start {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-products .start__media {
  margin: 0;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  overflow: hidden;
  max-height: 420px;
}

.page-products .start__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.page-products .start__item {
  border: var(--edge);
  border-left: 3px solid var(--cyan);
  background: var(--panel);
}

.page-products .start__item + .start__item {
  margin-top: .75rem;
}

.page-products .start__item:nth-child(2) { border-left-color: var(--pulse); }
.page-products .start__item:nth-child(3) { border-left-color: var(--paper); }
.page-products .start__item:nth-child(4) { border-left-color: var(--amber); }

.page-products .start__item[open] {
  background: var(--deck);
}

.page-products .start__item summary {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .85rem 1rem;
  list-style: none;
  cursor: pointer;
  transition: color .18s var(--ease);
}

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

.page-products .start__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  line-height: 1;
  color: var(--cyan);
}

.page-products .start__item[open] summary::after {
  content: "−";
}

.page-products .start__item summary:hover .start__title {
  color: var(--cyan);
}

.page-products .start__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--mute);
}

.page-products .start__title {
  font-family: var(--font-display);
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--paper);
}

.page-products .start__time {
  margin-left: auto;
  padding-left: .7rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--amber);
  white-space: nowrap;
}

.page-products .start__item summary::after {
  margin-left: .6rem;
}

.page-products .start__item p {
  margin: 0;
  padding: 0 1rem 1rem;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mute);
}

/* —— 延伸入口 —— */
.page-products .pr-next {
  margin-top: clamp(50px, 8vw, 92px);
}

.page-products .pr-next h2 {
  margin: 0 0 clamp(16px, 2.8vw, 24px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .pr-next__grid {
  display: grid;
  gap: 1rem;
}

.page-products .pr-next__card {
  display: grid;
  gap: .45rem;
  padding: 1.05rem 1.1rem;
  border: var(--edge);
  background: var(--panel);
  text-decoration: none;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pr-next__card:hover,
.page-products .pr-next__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-products .pr-next__mark {
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  color: var(--cyan);
}

.page-products .pr-next__card strong {
  font-family: var(--font-display);
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--paper);
}

.page-products .pr-next__card span:last-child {
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--mute);
}

/* —— 响应式 —— */
@media (min-width: 640px) {
  .page-products .pr-track {
    grid-auto-columns: minmax(248px, 46%);
  }
  .page-products .code {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pr-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
  }
  .page-products .pr-track {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }
  .page-products .api {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
  .page-products .start {
    grid-template-columns: minmax(0, .4fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .start__media {
    max-height: 560px;
    position: sticky;
    top: 24px;
  }
  .page-products .pr-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-products .pr-hero h1 {
    font-size: clamp(3.4rem, 4.6vw, 4.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-card,
  .page-products .pr-next__card,
  .page-products .start__item summary {
    transition: none;
  }
  .page-products .pr-card:hover,
  .page-products .pr-next__card:hover,
  .page-products .pr-next__card:focus-visible {
    transform: none;
  }
}