.page-products {
  --cl-panel: var(--ink-800);
  --cl-node: var(--ink-700);
  --cl-amber-glow: rgba(242, 180, 65, .30);
  --cl-cyan-glow: rgba(47, 227, 208, .40);
  --cl-hatch: repeating-linear-gradient(
    135deg,
    rgba(142, 138, 168, .28) 0 3px,
    transparent 3px 7px
  );
}

.page-products .breadcrumb {
  border-bottom: 1px solid var(--line);
  background: var(--ink-900);
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 12px 0 10px;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-products .breadcrumb__link {
  color: var(--text-dim);
  text-decoration: none;
}

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

.page-products .breadcrumb__sep {
  color: var(--line);
}

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

/* ---------- 首屏 ---------- */
.page-products .hero-cl {
  position: relative;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--cyan-a04), transparent 58%),
    var(--ink-900);
  overflow: hidden;
}

.page-products .hero-cl::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-a) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-a) 1px, transparent 1px);
  background-size: 8px 8px;
  pointer-events: none;
}

.page-products .hero-cl__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  padding-block: 36px 44px;
}

.page-products .hero-cl__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-products .hero-cl__title {
  margin: 0;
  font-family: var(--cond);
  font-weight: 800;
  font-size: clamp(28px, 7.4vw, 46px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--text);
  max-width: 18em;
}

.page-products .hero-cl__lede {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .spec-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .spec-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .spec-row__key {
  font-size: 14px;
  color: var(--text-dim);
  flex: 0 0 auto;
}

.page-products .spec-row__val {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--text);
  text-align: right;
  min-width: 0;
  word-break: break-word;
}

.page-products .spec-row__val--amber {
  font-size: 24px;
  font-weight: 700;
  color: var(--amber);
  text-shadow: 0 0 14px var(--cl-amber-glow);
  line-height: 1;
}

.page-products .hero-cl__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .hero-cl__frame {
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-products .hero-cl__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .hero-cl__visual-note {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--violet);
}

/* ---------- 通用章节 ---------- */
.page-products .section {
  padding-block: 48px;
  border-bottom: 1px solid var(--line);
}

.page-products .section__head {
  max-width: 46em;
  margin-bottom: 28px;
}

.page-products .section__index {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .section__title {
  margin: 0;
  font-family: var(--cond);
  font-weight: 800;
  font-size: clamp(22px, 5.4vw, 32px);
  line-height: 1.2;
  color: var(--text);
}

.page-products .section__lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 三类视图 ---------- */
.page-products .view-stack .container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .view-panel {
  display: grid;
  border: 1px solid var(--line);
  background: var(--ink-800);
  min-width: 0;
  transition: border-color var(--dur-fast) var(--ease);
}

.page-products .view-panel:hover {
  border-color: var(--cyan-a50);
}

.page-products .view-panel__media {
  min-width: 0;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-products .view-panel__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .view-panel__body {
  min-width: 0;
  padding: 22px 20px 24px;
}

.page-products .view-panel__no {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-products .view-panel__title {
  margin: 0;
  font-family: var(--cond);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.25;
  color: var(--text);
}

.page-products .view-panel__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .view-points {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .view-points li {
  position: relative;
  padding: 10px 0 10px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
}

.page-products .view-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 18px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-products .legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
}

.page-products .legend__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-products .legend__swatch {
  width: 22px;
  height: 0;
  border-top: 2px solid var(--cyan);
}

.page-products .legend__swatch--player {
  border-top-color: var(--orange);
}

.page-products .legend__swatch--tie {
  height: 8px;
  border: 0;
  background: var(--cl-hatch);
}

/* ---------- 档位带 ---------- */
.page-products .tier-band {
  background:
    linear-gradient(180deg, var(--ink-800), var(--ink-900) 70%);
}

.page-products .tier-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tier-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 14px 16px;
  background: var(--cl-node);
  min-width: 0;
  transition: background var(--dur-fast) var(--ease);
}

.page-products .tier-cell:hover {
  background: var(--ink-800);
}

.page-products .tier-cell__code {
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-products .tier-cell__count {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: .08em;
}

.page-products .tier-cell__count::after {
  content: " 张桌台";
  color: var(--text-dim);
  letter-spacing: 0;
}

.page-products .tier-cell__label {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}

.page-products .tier-notes {
  display: grid;
  gap: 0;
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.page-products .tier-notes__item {
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .tier-notes__key {
  display: inline-block;
  min-width: 8.5em;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* ---------- 版本 ---------- */
.page-products .version-band__grid {
  display: grid;
  gap: 28px;
}

.page-products .version-band__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .version-band__panel {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 22px 20px 24px;
  min-width: 0;
}

.page-products .ver-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-products .ver-badge {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(56px, 18vw, 88px);
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--amber);
  text-shadow: 0 0 26px var(--cl-amber-glow), 0 0 1px var(--amber);
}

.page-products .ver-sub {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .branch-track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 20px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .branch-node {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 12px 14px;
  background: var(--cl-node);
  min-width: 0;
}

.page-products .branch-node--main {
  background: var(--cyan-a08);
  box-shadow: inset 0 0 0 1px var(--cyan-a50);
}

.page-products .branch-node__code {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.page-products .branch-node--main .branch-node__code {
  color: var(--cyan);
}

.page-products .branch-node__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dim);
}

.page-products .branch-note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--violet);
}

.page-products .version-band__link {
  margin-top: 18px;
}

/* ---------- 安装 ---------- */
.page-products .install-band__frame {
  margin: 0 0 26px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-products .install-band__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
}

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

.page-products .step {
  position: relative;
  padding: 20px 16px 20px 28px;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.page-products .step::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 26px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  background: var(--ink-900);
  transform: rotate(45deg);
}

.page-products .step::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 36px;
  bottom: -1px;
  width: 1px;
  background: var(--line);
}

.page-products .step:last-child::after {
  display: none;
}

.page-products .step__no {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .step__title {
  margin: 8px 0 0;
  font-family: var(--cond);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
  color: var(--text);
}

.page-products .step__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .faq-block {
  margin-top: 34px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.page-products .faq-block__title {
  margin: 0 0 14px;
  font-family: var(--cond);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--text);
}

.page-products .faq-block__more {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .faq-block__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a50);
}

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

/* ---------- 场景 ---------- */
.page-products .scene-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  padding: 22px 20px 24px;
  background: var(--ink-800);
  min-width: 0;
  transition: background var(--dur-fast) var(--ease);
}

.page-products .scene-card:hover {
  background: var(--cl-node);
}

.page-products .scene-card__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-products .scene-card__title {
  margin: 0;
  font-family: var(--cond);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  color: var(--text);
}

.page-products .scene-card__text {
  flex: 1 1 auto;
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .scene-card__link {
  margin: 16px 0 0;
  font-size: 14px;
}

.page-products .scene-card__link a {
  color: var(--cyan);
  text-decoration: none;
}

.page-products .scene-card__link a:hover,
.page-products .scene-card__link a:focus-visible {
  color: var(--text);
}

.page-products .cta-strip {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  padding: 24px 20px;
  border: 1px solid var(--cyan-a50);
  background:
    linear-gradient(90deg, var(--cyan-a08), transparent 62%),
    var(--ink-800);
}

.page-products .cta-strip__title {
  margin: 0;
  font-family: var(--cond);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  color: var(--text);
}

.page-products .cta-strip__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .cta-strip .btn {
  justify-self: start;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .view-panel,
  .page-products .tier-cell,
  .page-products .scene-card {
    transition: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-products .tier-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .version-band__panel {
    padding: 26px 24px 28px;
  }

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-products .hero-cl__grid {
    grid-template-columns: 7fr 5fr;
    gap: 0;
    padding-block: 52px 60px;
    align-items: start;
  }

  .page-products .hero-cl__narr {
    padding-right: 44px;
    border-right: 1px solid var(--line);
  }

  .page-products .hero-cl__visual {
    padding-left: 44px;
  }

  .page-products .hero-cl__lede {
    font-size: 17px;
  }

  .page-products .section {
    padding-block: 68px;
  }

  .page-products .section__lede {
    font-size: 16.5px;
  }

  .page-products .view-panel {
    grid-template-columns: 6fr 5fr;
  }

  .page-products .view-panel--flip {
    grid-template-columns: 5fr 6fr;
  }

  .page-products .view-panel--flip .view-panel__media {
    order: 2;
    border-left: 1px solid var(--line);
  }

  .page-products .view-panel--flip .view-panel__body {
    order: 1;
  }

  .page-products .view-panel__media {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-products .view-panel__media img {
    height: 100%;
    min-height: 260px;
    aspect-ratio: auto;
  }

  .page-products .view-panel__body {
    padding: 34px 34px 36px;
    align-self: center;
  }

  .page-products .tier-strip {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  .page-products .tier-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
  }

  .page-products .tier-notes__item {
    border-bottom: 0;
    border-top: 1px solid var(--line);
  }

  .page-products .tier-notes__key {
    display: block;
    min-width: 0;
    margin-bottom: 6px;
  }

  .page-products .version-band__grid {
    grid-template-columns: 6fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .version-band__panel {
    padding: 30px 28px 32px;
  }

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

  .page-products .step {
    padding: 30px 22px 0 0;
  }

  .page-products .step::before {
    left: 0;
    top: -5px;
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 10px var(--cl-cyan-glow);
  }

  .page-products .step::after {
    display: none;
  }

  .page-products .install-band__frame {
    margin-bottom: 34px;
  }

  .page-products .cta-strip {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 28px 32px;
  }

  .page-products .cta-strip .btn {
    justify-self: end;
  }
}

@media (min-width: 1180px) {
  .page-products .hero-cl__title {
    font-size: 46px;
  }

  .page-products .view-panel__title {
    font-size: 23px;
  }

  .page-products .view-panel__body {
    padding: 40px 44px 44px;
  }
}