.page-products {
  --copy: #B9CBDA;
  --copy-dim: #8497A9;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(24px, 3vw, 40px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--copy-dim);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--grid);
}

.page-products .breadcrumb a {
  color: var(--copy-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

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

.page-products .breadcrumb [aria-current="page"] {
  color: var(--fog);
}

/* 首屏 */
.page-products .p-hero__head {
  max-width: 64ch;
}

.page-products .p-hero h1 {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--fog);
  text-wrap: balance;
}

.page-products .p-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--copy);
}

/* 设备双栏 */
.page-products .device-deck {
  margin-top: clamp(32px, 4.5vw, 56px);
  display: grid;
  gap: 0;
  border: 1px solid var(--grid);
  background:
    linear-gradient(180deg, rgba(15, 43, 74, 0.62), rgba(6, 20, 38, 0.5)),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(28, 62, 96, 0.35) 47px 48px);
}

.page-products .device-card {
  position: relative;
  padding: clamp(22px, 3.2vw, 36px);
}

.page-products .device-card + .device-card {
  border-top: 1px solid var(--grid);
}

.page-products .device-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 72px;
  height: 2px;
  background: var(--cyan);
}

.page-products .device-card--desktop::before {
  background: var(--amber);
}

.page-products .device-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-products .device-card__tag {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .device-card__name {
  margin: 18px 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-products .device-card__sub {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--copy-dim);
}

.page-products .device-card .data-list {
  margin: 0 0 18px;
  padding: 0;
}

.page-products .device-card .data-list__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(28, 62, 96, 0.95);
}

.page-products .device-card .data-list__key {
  font-size: 13px;
  color: var(--copy-dim);
}

.page-products .device-card .data-list__val {
  margin: 0;
  font-size: 14px;
  color: var(--fog);
  text-align: right;
}

.page-products .device-card__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .device-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--copy);
}

.page-products .device-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-products .device-card--desktop .device-card__list li::before {
  background: var(--amber);
}

.page-products .device-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 240, 208, 0.4);
  padding-bottom: 3px;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-products .device-card--desktop .device-card__cta {
  color: var(--amber);
  border-bottom-color: rgba(255, 162, 58, 0.45);
}

.page-products .device-card__cta:hover,
.page-products .device-card__cta:focus-visible {
  color: var(--fog);
  border-bottom-color: var(--fog);
}

.page-products .p-hero__fig {
  margin-top: clamp(24px, 3vw, 40px);
}

/* 通用媒体框内图片 */
.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .media-frame figcaption,
.page-products .media-frame__caption {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--copy-dim);
}

/* 区块标题 */
.page-products .blk-head {
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .blk-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-products .blk-head__note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--copy-dim);
}

/* 功能矩阵 */
.page-products .matrix {
  margin: 0 0 clamp(28px, 3.5vw, 44px);
  padding: 0;
  list-style: none;
  border: 1px solid var(--grid);
  background: rgba(10, 32, 56, 0.55);
}

.page-products .matrix__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px 18px;
  padding: 16px 18px;
  border-top: 1px solid var(--grid);
  transition: background-color 220ms var(--ease);
}

.page-products .matrix__row:first-child {
  border-top: 0;
}

.page-products .matrix__row:not(.matrix__row--head):hover {
  background: rgba(31, 240, 208, 0.06);
}

.page-products .matrix__row--head {
  display: none;
}

.page-products .matrix__name {
  grid-column: 1 / -1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-products .matrix__cell {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--copy);
}

.page-products .matrix__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .matrix__dot--amber {
  background: var(--amber);
}

.page-products .matrix__dot--dim {
  background: transparent;
  border: 1px solid var(--grid);
}

.page-products .matrix__lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--copy-dim);
  padding-top: 2px;
}

.page-products .matrix__lbl::after {
  content: "·";
  margin-left: 4px;
}

/* 图文分栏 */
.page-products .split {
  display: grid;
  gap: clamp(24px, 3.5vw, 36px);
}

.page-products .split__body h2 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-products .split__lede {
  margin: 0 0 20px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--copy);
}

.page-products .split--rev .split__media {
  order: -1;
}

.page-products .tick-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .tick-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--copy);
}

.page-products .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-products .split--rev .tick-list li::before {
  background: var(--amber);
}

.page-products .split__path {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--copy-dim);
}

.page-products .split__path a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 240, 208, 0.4);
}

.page-products .split__path a:hover,
.page-products .split__path a:focus-visible {
  color: var(--fog);
  border-bottom-color: var(--fog);
}

/* 安装流程 */
.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-products .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 24px 20px;
  background: rgba(10, 32, 56, 0.92);
}

.page-products .step__num {
  font-size: 30px;
  line-height: 1;
  font-weight: 500;
  color: var(--amber);
}

.page-products .step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--fog);
}

.page-products .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--copy);
}

.page-products .install-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(15, 43, 74, 0.6);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--copy);
}

.page-products .install-note .dot {
  flex: 0 0 auto;
  margin-top: 6px;
}

.page-products .install-fig {
  margin-top: clamp(24px, 3vw, 36px);
}

/* 换设备检查 */
.page-products .check-lede {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--copy);
}

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

.page-products .check {
  padding: 22px 20px;
  border: 1px solid var(--grid);
  border-left: 2px solid var(--amber);
  background: rgba(15, 43, 74, 0.5);
}

.page-products .check__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .check h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.3;
  color: var(--fog);
}

.page-products .check p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--copy);
}

.page-products .check-foot {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--copy-dim);
}

.page-products .check-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 240, 208, 0.4);
}

.page-products .check-foot a:hover,
.page-products .check-foot a:focus-visible {
  color: var(--fog);
  border-bottom-color: var(--fog);
}

/* 收尾 */
.page-products .next {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--grid);
  background:
    linear-gradient(135deg, rgba(31, 240, 208, 0.08), transparent 58%),
    rgba(15, 43, 74, 0.55);
}

.page-products .next h2 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-products .next__copy p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--copy);
}

.page-products .next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* 中等屏幕 */
@media (min-width: 720px) {
  .page-products .matrix__row {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    padding: 15px 20px;
  }

  .page-products .matrix__row--head {
    display: grid;
    background: rgba(15, 43, 74, 0.9);
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .page-products .matrix__row--head .matrix__name,
  .page-products .matrix__row--head .matrix__cell {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--copy-dim);
    font-weight: 400;
  }

  .page-products .matrix__name {
    grid-column: auto;
    font-size: 14.5px;
    padding-top: 2px;
  }

  .page-products .matrix__lbl {
    display: none;
  }

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

  .page-products .step {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .page-products .checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--grid);
    border: 1px solid var(--grid);
  }

  .page-products .check {
    border: 0;
    border-top: 2px solid var(--amber);
    padding: 26px 22px;
    background: rgba(10, 32, 56, 0.92);
  }
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-products .device-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .device-card + .device-card {
    border-top: 0;
    border-left: 1px solid var(--grid);
  }

  .page-products .blk-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
  }

  .page-products .blk-head__note {
    margin: 0;
    max-width: 32ch;
    text-align: right;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: clamp(36px, 5vw, 64px);
    align-items: center;
  }

  .page-products .split--rev {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
  }

  .page-products .split--rev .split__media {
    order: 0;
  }

  .page-products .split--rev .split__body {
    order: 1;
  }

  .page-products .next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }

  .page-products .next__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 220px;
  }
}

.page-products .matrix__row--head .matrix__cell {
  padding-top: 2px;
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
  flex: 0 0 auto;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .device-card__cta,
  .page-products .matrix__row,
  .page-products .breadcrumb a {
    transition: none;
  }
}

.page-products .matrix__row--head {
  display: none;
}

@media (min-width: 720px) {
  .page-products .matrix__row--head {
    display: grid;
  }
}

.page-products .matrix__row--head .matrix__name,
.page-products .matrix__row--head .matrix__cell {
  grid-column: auto;
}

.page-products .matrix__row--head .matrix__cell {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
}

.page-products .matrix__row--head .matrix__name {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
}

.page-products .matrix__row--head .matrix__name {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
}

.page-products .matrix__row--head .matrix__name {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
}

.page-products .matrix__row--head .matrix__name {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
}

.page-products .matrix__row--head .matrix__name {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
}

.page-products .matrix__row--head .matrix__name {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
}

.page-products .matrix__row--head .matrix__name {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}

.page-products .matrix__row--head .matrix__cell::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 1px;
  margin-top: 9px;
  background: var(--grid);
}

.page-products .matrix__row--head .matrix__name {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--copy-dim);
}