.page-home {
  --home-rule: var(--mist);
  --wave: var(--blue-500);
  --accent: var(--blue-500);
  --accent-soft: rgba(30, 122, 156, .09);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hero-stage {
  padding: clamp(24px, 4vw, 44px) 0 0;
}

.page-home .hero-stage-inner {
  position: relative;
}

.page-home .device-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-home .breadcrumbs {
  margin: 0 0 clamp(18px, 3vw, 34px);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
}

.page-home .hero-main .eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--blue-500);
}

.page-home .hero-main .display-title {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-size: clamp(42px, 8.4vw, 90px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: .015em;
  color: var(--blue-900);
}

.page-home .hero-lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.25vw, 17.5px);
  line-height: 1.9;
  color: var(--blue-700);
}

.page-home .hero-console {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-home .console-label {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-home .device-switch {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--pill);
}

.page-home .device-btn {
  flex: 1 1 0;
  padding: 9px 4px;
  border-radius: var(--pill);
  text-align: center;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--blue-700);
  cursor: pointer;
  user-select: none;
  transition: background .2s ease-out, color .2s ease-out, box-shadow .2s ease-out;
}

.page-home .device-btn:hover {
  background: var(--accent-soft);
}

.page-home #dv-desktop:checked ~ .hero-grid label[for="dv-desktop"],
.page-home #dv-mobile:checked ~ .hero-grid label[for="dv-mobile"],
.page-home #dv-screen:checked ~ .hero-grid label[for="dv-screen"] {
  background: var(--blue-900);
  color: #fff;
  box-shadow: 0 2px 10px rgba(8, 36, 58, .18);
}

.page-home #dv-desktop:focus-visible ~ .hero-grid label[for="dv-desktop"],
.page-home #dv-mobile:focus-visible ~ .hero-grid label[for="dv-mobile"],
.page-home #dv-screen:focus-visible ~ .hero-grid label[for="dv-screen"] {
  outline: 2px solid var(--coral-500);
  outline-offset: 2px;
}

.page-home .hero-media {
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--mist);
}

.page-home .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 三端面板 ---------- */
.page-home .device-panels {
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--mist);
}

.page-home .device-panel {
  display: none;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding-left: 18px;
  border-left: 2px solid var(--blue-500);
}

.page-home .device-panel--desktop {
  display: grid;
  border-left-color: var(--blue-500);
}

.page-home .device-panel--mobile {
  border-left-color: var(--teal-500);
}

.page-home .device-panel--screen {
  border-left-color: var(--coral-500);
}

.page-home #dv-desktop:checked ~ .device-panels .device-panel--desktop,
.page-home #dv-mobile:checked ~ .device-panels .device-panel--mobile,
.page-home #dv-screen:checked ~ .device-panels .device-panel--screen {
  display: grid;
}

.page-home #dv-mobile:checked ~ .device-panels .device-panel--desktop,
.page-home #dv-screen:checked ~ .device-panels .device-panel--desktop,
.page-home #dv-desktop:checked ~ .device-panels .device-panel--mobile,
.page-home #dv-desktop:checked ~ .device-panels .device-panel--screen,
.page-home #dv-mobile:checked ~ .device-panels .device-panel--screen,
.page-home #dv-screen:checked ~ .device-panels .device-panel--mobile {
  display: none;
}

.page-home .panel-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .panel-tag {
  margin: 0;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--blue-500);
}

.page-home .device-panel--mobile .panel-tag {
  color: var(--teal-500);
}

.page-home .device-panel--screen .panel-tag {
  color: var(--coral-500);
}

.page-home .panel-title {
  margin: 0;
  font-size: clamp(18px, 1.7vw, 22px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--blue-900);
}

.page-home .panel-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--blue-700);
}

.page-home .device-panel .btn {
  justify-self: start;
}

/* ---------- 首屏声波线 ---------- */
.page-home .hero-wave {
  margin-top: clamp(30px, 4vw, 52px);
  color: var(--blue-500);
  transition: color .32s ease-out;
}

.page-home .hero-wave svg {
  display: block;
  width: 100%;
  height: clamp(26px, 3.6vw, 44px);
}

.page-home #dv-mobile:checked ~ .hero-wave {
  color: var(--teal-500);
}

.page-home #dv-screen:checked ~ .hero-wave {
  color: var(--coral-500);
}

/* ---------- 通栏横幅 ---------- */
.page-home .home-banner {
  margin: 0;
  line-height: 0;
}

.page-home .home-banner img {
  display: block;
  width: 100%;
  height: clamp(180px, 30vw, 420px);
  object-fit: cover;
  object-position: center;
}

/* ---------- 编号章节 ---------- */
.page-home .chapter {
  padding: clamp(56px, 9vw, 116px) 0 0;
}

.page-home .chapter-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-home .chapter-num {
  display: block;
  margin: 0 0 14px;
  font-size: clamp(56px, 13vw, 108px);
  font-weight: 300;
  line-height: .82;
  letter-spacing: -.01em;
  color: var(--blue-700);
  opacity: .16;
  font-variant-numeric: tabular-nums;
}

.page-home .chapter-rail .note-col {
  margin: 0;
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .chapter-title {
  margin: 0 0 16px;
  font-size: clamp(24px, 2.9vw, 34px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .015em;
  color: var(--blue-900);
}

.page-home .chapter-lead {
  margin: 0 0 clamp(24px, 3vw, 34px);
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--blue-700);
}

/* ---------- 目录列表 ---------- */
.page-home .catalog {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--mist);
}

.page-home .catalog-item {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--mist);
  transition: border-color .2s ease-out;
}

.page-home .catalog-item:hover {
  border-bottom-color: rgba(30, 122, 156, .45);
}

.page-home .catalog-num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  line-height: 1.9;
  color: var(--blue-500);
  font-variant-numeric: tabular-nums;
}

.page-home .catalog-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--blue-900);
}

.page-home .catalog-text p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--blue-700);
}

.page-home .catalog-media {
  margin: 0 0 26px;
}

.page-home .media {
  margin: 0;
}

.page-home .media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.page-home .media-caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 两步入口 ---------- */
.page-home .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-home .step-item {
  padding: 22px 22px 24px;
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}

.page-home .step-item:hover {
  transform: translateY(-2px);
  border-color: rgba(30, 122, 156, .45);
  box-shadow: var(--shadow-lift);
}

.page-home .step-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 11px;
  border-radius: var(--pill);
  background: var(--accent-soft);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--blue-700);
}

.page-home .step-title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 600;
  color: var(--blue-900);
}

.page-home .step-item p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--blue-700);
}

/* ---------- 三条路径 ---------- */
.page-home .route-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--mist);
}

.page-home .route-item {
  display: grid;
  grid-template-columns: 1.8rem minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--mist);
}

.page-home .route-index {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  line-height: 1.9;
  color: var(--blue-500);
}

.page-home .route-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--blue-900);
}

.page-home .route-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--blue-700);
}

/* ---------- 大屏场景 ---------- */
.page-home .scene-list {
  display: grid;
  gap: 16px;
  margin: 0 0 30px;
}

.page-home .scene-item {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-home .scene-label {
  margin: 0 0 10px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--blue-500);
}

.page-home .scene-title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--blue-900);
}

.page-home .scene-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--blue-700);
}

/* ---------- 更新日志 ---------- */
.page-home .log-list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-home .log-item {
  padding: 18px 20px;
  border-left: 2px solid var(--mist);
  background: linear-gradient(90deg, rgba(168, 228, 220, .16), rgba(168, 228, 220, 0) 68%);
  transition: border-color .2s ease-out;
}

.page-home .log-item:hover {
  border-left-color: var(--coral-500);
}

.page-home .log-time {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-home .log-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--blue-900);
}

.page-home .log-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--blue-700);
}

/* ---------- 收口 ---------- */
.page-home .closing {
  margin-top: clamp(56px, 9vw, 116px);
  padding: clamp(40px, 6vw, 76px) 0;
  background: var(--blue-900);
}

.page-home .closing .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--teal-200);
}

.page-home .closing-title {
  margin: 16px 0 28px;
  max-width: 24ch;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 300;
  line-height: 1.38;
  letter-spacing: .01em;
  color: #fff;
}

.page-home .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .closing .btn-line {
  color: #fff;
  border-color: rgba(255, 255, 255, .42);
}

.page-home .closing .btn-line:hover {
  border-color: var(--teal-200);
  background: rgba(168, 228, 220, .12);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .device-panel {
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(24px, 3vw, 48px);
  }

  .page-home .hero-media img {
    aspect-ratio: 4 / 3;
  }

  .page-home .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-home .step-item:last-child {
    margin-top: 44px;
  }

  .page-home .scene-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .scene-item:nth-child(2) {
    margin-top: 26px;
  }
}

@media (min-width: 940px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7.4fr) minmax(286px, 4fr);
    align-items: end;
    gap: clamp(40px, 5vw, 88px);
  }

  .page-home .chapter-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(20px, 2.6vw, 40px);
    gap: 0;
  }

  .page-home .chapter-rail {
    grid-column: 1 / span 3;
    padding-right: 12px;
  }

  .page-home .chapter-body {
    grid-column: 4 / span 8;
  }

  .page-home .chapter--flip .chapter-rail {
    grid-column: 10 / span 3;
    padding-right: 0;
  }

  .page-home .chapter--flip .chapter-body {
    grid-column: 1 / span 8;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .device-btn,
  .page-home .hero-wave,
  .page-home .step-item,
  .page-home .catalog-item,
  .page-home .log-item {
    transition: none;
  }

  .page-home .step-item:hover {
    transform: none;
  }
}