.page-products {
  background: var(--indigo-900);
  color: var(--paper-100);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  margin: 0;
}

.page-products h1 {
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.page-products h2 {
  font-size: clamp(1.45rem, 4vw, 2.1rem);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.page-products h3 {
  font-size: 1.05rem;
  letter-spacing: 0;
  margin-bottom: 8px;
}

.page-products p {
  margin: 0 0 1em;
  font-size: 15px;
  line-height: 1.8;
}

.page-products p:last-child {
  margin-bottom: 0;
}

.page-products .index-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
  margin-bottom: 10px;
}

.page-products .breadcrumb {
  margin-bottom: 26px;
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
}

.page-products .breadcrumb__item {
  color: var(--mist-400);
}

.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--mist-400);
  opacity: 0.6;
}

.page-products .breadcrumb__link {
  color: var(--gold-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb__link:hover {
  border-bottom-color: var(--gold-500);
}

/* ---------- 首屏 ---------- */

.page-products .dl-hero {
  padding: 26px 0 44px;
  background:
    radial-gradient(115% 85% at 94% -8%, rgba(201, 165, 92, 0.16), transparent 60%),
    radial-gradient(90% 70% at 0% 100%, rgba(36, 64, 110, 0.55), transparent 62%),
    var(--indigo-900);
  border-bottom: 2px solid var(--ink-950);
}

.page-products .dl-hero__lede {
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-400);
}

.page-products .version-panel {
  display: grid;
  margin-top: 30px;
  background: var(--indigo-700);
  border: 2px solid var(--ink-950);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 var(--ink-950);
  overflow: hidden;
}

.page-products .version-panel__specs {
  padding: 20px 20px 6px;
  min-width: 0;
}

.page-products .version-panel__flag {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist-400);
  margin: 0 0 6px;
}

.page-products .version-panel__num {
  font-size: clamp(2.2rem, 8vw, 3.1rem);
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gold-200);
  margin: 0 0 18px;
}

.page-products .spec-list {
  margin: 0;
  padding: 0;
}

.page-products .spec-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px dashed var(--hair-gold);
}

.page-products .spec-row__key {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist-400);
}

.page-products .spec-row__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper-100);
}

.page-products .version-panel__action {
  padding: 22px 20px;
  background: var(--indigo-500);
  border-top: 2px solid var(--ink-950);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .version-panel__action-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  margin: 0 0 4px;
  color: var(--gold-200);
}

.page-products .version-panel__action .btn {
  width: 100%;
  text-align: center;
}

.page-products .check-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .check-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-100);
}

.page-products .check-list__num {
  font-size: 11px;
  color: var(--clay-600);
  padding-top: 3px;
}

.page-products .hero-strip {
  margin: 34px 0 0;
}

.page-products .hero-strip .media-frame__img {
  aspect-ratio: 3 / 1;
}

/* ---------- 装完先查什么 ---------- */

.page-products .first-look {
  padding: 48px 0 44px;
  background: var(--indigo-900);
}

.page-products .first-look__lede {
  max-width: 36em;
  color: var(--mist-400);
  margin-bottom: 24px;
}

.page-products .first-look__grid {
  display: grid;
  gap: 16px;
}

.page-products .look-card {
  padding: 22px 20px 24px;
  background: var(--indigo-700);
  border: 2px solid var(--ink-950);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 rgba(5, 10, 18, 0.9);
}

.page-products .look-card__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--clay-600);
  margin: 0 0 10px;
}

.page-products .look-card h3 {
  color: var(--paper-100);
}

.page-products .look-card p {
  color: var(--mist-400);
  font-size: 14px;
}

.page-products .look-card__link {
  display: inline-block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-200);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-200);
  padding-bottom: 2px;
}

.page-products .look-card__link:hover {
  border-bottom-color: var(--gold-500);
  border-bottom-width: 2px;
}

/* ---------- 服务范围 ---------- */

.page-products .range-block {
  padding: 52px 0;
  background: var(--indigo-700);
  border-top: 2px solid var(--ink-950);
  border-bottom: 2px solid var(--ink-950);
}

.page-products .range-block__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-products .range-block__main > p {
  max-width: 36em;
  color: var(--paper-100);
  opacity: 0.9;
}

.page-products .path-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .path-list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .path-list__num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
}

.page-products .status-key {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-products .status-key__note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-400);
  max-width: 38em;
}

.page-products .quarter-timeline {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 12px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px dashed var(--hair-gold);
}

.page-products .quarter-timeline__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 16px;
}

.page-products .quarter-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--indigo-900);
  border: 2px solid var(--gold-500);
  box-sizing: border-box;
}

.page-products .quarter-timeline__q {
  font-size: 13px;
  color: var(--gold-200);
  letter-spacing: 0.06em;
}

.page-products .quarter-timeline__d {
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist-400);
}

.page-products .range-block__figure {
  margin: 0;
}

.page-products .range-block__figure .media-frame__img {
  aspect-ratio: 3 / 4;
}

/* ---------- 设备变更 ---------- */

.page-products .change-block {
  padding: 52px 0;
  background: var(--indigo-900);
}

.page-products .change-block__grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-products .change-block__aside > p {
  color: var(--mist-400);
  font-size: 14px;
  max-width: 26em;
}

.page-products .change-block__body > p {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.9;
  max-width: 34em;
  color: var(--paper-100);
  opacity: 0.88;
  margin-bottom: 18px;
}

.page-products .case-group {
  border-top: 1px dashed var(--hair-gold);
}

.page-products .case {
  border-bottom: 1px dashed var(--hair-gold);
}

.page-products .case__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-100);
}

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

.page-products .case__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold-500);
  flex: none;
}

.page-products .case[open] .case__summary::after {
  content: "–";
}

.page-products .case__num {
  flex: none;
  font-size: 11px;
  color: var(--clay-600);
  letter-spacing: 0.08em;
}

.page-products .case__body {
  padding: 0 0 18px 26px;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-400);
  max-width: 34em;
}

.page-products .change-block__link {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-200);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-200);
  padding-bottom: 2px;
}

.page-products .change-block__link:hover {
  border-bottom-color: var(--gold-500);
}

/* ---------- 四个功能区 ---------- */

.page-products .zones {
  padding: 48px 0 52px;
  background: var(--indigo-700);
  border-top: 2px solid var(--ink-950);
  border-bottom: 2px solid var(--ink-950);
}

.page-products .zones__banner {
  margin: 0 0 34px;
}

.page-products .zones__banner .media-frame__img {
  aspect-ratio: 2 / 1;
}

.page-products .zones__lede {
  max-width: 34em;
  color: var(--mist-400);
  margin-bottom: 22px;
}

.page-products .zones__grid {
  display: grid;
  gap: 16px;
}

.page-products .zone {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--indigo-900);
  border: 2px solid var(--ink-950);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 rgba(5, 10, 18, 0.9);
  transition: border-color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}

.page-products .zone:hover,
.page-products .zone:focus-within {
  border-color: var(--gold-500);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(5, 10, 18, 0.9);
}

.page-products .zone__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
  margin: 0 0 8px;
}

.page-products .zone h3 {
  color: var(--paper-100);
  font-size: 1rem;
}

.page-products .zone p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-products .zone__shot {
  margin: 14px 0 0;
}

.page-products .zone__shot .media-frame__img {
  aspect-ratio: 4 / 3;
}

/* ---------- 安装步骤 ---------- */

.page-products .steps {
  padding: 52px 0;
  background: var(--indigo-900);
}

.page-products .steps__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-products .steps__figure {
  margin: 0;
}

.page-products .steps__figure .media-frame__img {
  aspect-ratio: 1 / 1;
}

.page-products .step-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px dashed var(--hair-gold);
}

.page-products .step {
  border-bottom: 1px dashed var(--hair-gold);
}

.page-products .step__summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-products .step__num {
  font-size: 11px;
  line-height: 1;
  padding: 6px 0;
  text-align: center;
  border-radius: 2px;
  background: var(--jade-200);
  color: var(--ink-950);
  letter-spacing: 0.06em;
}

.page-products .step[open] .step__num {
  background: var(--jade-500);
  color: var(--ink-950);
}

.page-products .step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper-100);
}

.page-products .step__marker {
  position: relative;
  width: 12px;
  height: 12px;
  justify-self: end;
}

.page-products .step__marker::before,
.page-products .step__marker::after {
  content: "";
  position: absolute;
  background: var(--gold-500);
}

.page-products .step__marker::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-products .step__marker::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-products .step[open] .step__marker::after {
  display: none;
}

.page-products .step__body {
  padding: 0 0 16px 46px;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-400);
  max-width: 32em;
}

.page-products .steps__note {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-400);
  max-width: 34em;
  border-left: 2px solid var(--gold-500);
  padding-left: 12px;
}

/* ---------- 下载遇到问题 ---------- */

.page-products .help-block {
  padding: 48px 0 60px;
  background: var(--paper-100);
  color: var(--ink-950);
}

.page-products .help-block .index-label {
  color: rgba(5, 10, 18, 0.5);
}

.page-products .help-block h2 {
  color: var(--ink-950);
}

.page-products .help-block__lede {
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(5, 10, 18, 0.72);
  margin-bottom: 22px;
}

.page-products .info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(5, 10, 18, 0.16);
}

.page-products .info-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid rgba(5, 10, 18, 0.16);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(5, 10, 18, 0.82);
}

.page-products .info-list__num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--clay-600);
}

.page-products .info-list__text strong {
  font-weight: 700;
  color: var(--ink-950);
}

.page-products .help-block__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  margin-top: 26px;
}

.page-products .help-block__links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-950);
  text-decoration: none;
  border-bottom: 2px solid var(--gold-500);
  padding-bottom: 2px;
}

.page-products .help-block__links a:hover {
  border-bottom-color: var(--clay-600);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-products .first-look__grid,
  .page-products .zones__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .info-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-products .info-list li:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .page-products .quarter-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-products .dl-hero {
    padding: 34px 0 56px;
  }

  .page-products .version-panel {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .page-products .version-panel__specs {
    padding: 26px 28px 12px;
  }

  .page-products .version-panel__action {
    border-top: 0;
    border-left: 2px solid var(--ink-950);
    padding: 26px 24px;
    justify-content: center;
  }
}

@media (min-width: 960px) {
  .page-products .range-block__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 46px;
  }

  .page-products .change-block__grid {
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 48px;
  }

  .page-products .steps__grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 46px;
  }

  .page-products .zones__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
  }

  .page-products .zone:first-child {
    grid-row: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .zone {
    transition: none;
  }

  .page-products .zone:hover,
  .page-products .zone:focus-within {
    transform: none;
  }
}