/* 首页专属：轨道仅承载官方图标与功能名，不模拟应用界面。 */
.home-orbit {
  position: absolute;
  left: 50%;
  top: 47%;
  border: 1px solid var(--c-canvas-line-strong);
  border-radius: var(--r-circle);
  transform: translate(-50%, -50%) rotate(-24deg);
  pointer-events: none;
}

.home-orbit--outer {
  width: 580px;
  height: 420px;
  border-style: dashed;
  border-color: var(--c-canvas-line);
}

.home-orbit--inner {
  width: 470px;
  height: 290px;
}

.home-core {
  position: absolute;
  left: 50%;
  top: 47%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 220px;
  padding: 30px 20px;
  border: 1px solid var(--c-canvas-line-strong);
  border-radius: var(--r-canvas);
  background: var(--c-canvas);
  color: var(--c-on-canvas);
  box-shadow: var(--shadow-card-near);
  transform: translate(-50%, -50%);
}

.home-core img {
  display: block;
  border-radius: var(--r-circle);
}

.home-core > span {
  font-family: var(--f-display);
  font-size: var(--fs-lead);
  font-weight: var(--fw-display);
}

.home-core small {
  color: var(--c-on-canvas-muted);
  font-size: var(--fs-sm);
}

.home-orbit-label {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border: 1px solid var(--c-canvas-line-strong);
  border-radius: var(--r-pill);
  background: var(--c-canvas);
  color: var(--c-on-canvas);
  font-family: var(--f-mono);
  font-size: var(--fs-sm);
  box-shadow: var(--shadow-card-far);
  animation: home-orbit-breathe 8s ease-in-out infinite;
}

.home-orbit-label--one {
  left: 110px;
  top: 103px;
  color: var(--c-accent);
}

.home-orbit-label--two {
  right: 18px;
  top: 205px;
  animation-delay: -2s;
}

.home-orbit-label--three {
  left: 3px;
  top: 350px;
  animation-delay: -4s;
}

.home-orbit-label--four {
  right: 39px;
  top: 440px;
  animation-delay: -6s;
}

.home-orbit-label--five {
  left: 183px;
  top: 518px;
  color: var(--c-accent);
  animation-delay: -3s;
}

.home-orbit-caption {
  position: absolute;
  right: 0;
  bottom: 52px;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--c-on-canvas-muted);
  font-size: var(--fs-sm);
}

.home-orbit-caption > span:nth-child(2) {
  color: var(--c-accent);
}

.home-store-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 32px;
}

.home-store-strip > div {
  min-width: 0;
  max-width: 720px;
}

.home-store-strip p {
  color: var(--c-muted);
  font-size: var(--fs-sm);
  margin-bottom: 12px;
}

.home-store-strip .store-button {
  flex-shrink: 0;
}

.home-routing-tabs {
  margin-top: 16px;
}

.home-routing-tabs [role="tablist"] {
  border-radius: var(--r-card);
}

.home-routing-tabs [role="tab"] {
  padding-inline: 14px;
  font-size: var(--fs-sm);
}

.home-routing-tabs h4 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: var(--fs-body);
}

.home-routing-tabs [role="tabpanel"] p {
  font-size: var(--fs-sm);
}

.home-steps {
  display: grid;
  gap: 36px;
}

.home-steps > article {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: start;
  gap: 24px;
}

.home-steps > article + article {
  padding-top: 36px;
  border-top: 1px solid var(--c-border);
}

.home-step-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-circle);
  background: var(--c-bg);
  color: var(--c-accent-dark);
  font-family: var(--f-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
}

.home-steps h3 {
  margin-bottom: 16px;
}

.home-steps p {
  margin-bottom: 0;
  color: var(--c-muted);
}

.home-steps > .text-link {
  justify-self: start;
}

.home-facts {
  min-width: 0;
}

.home-facts__identity {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--c-border);
}

.home-facts__identity > div {
  min-width: 0;
}

.home-facts__logo {
  display: block;
  flex-shrink: 0;
  border-radius: var(--r-circle);
}

.home-facts__identity h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.home-facts__identity p {
  margin-bottom: 0;
  color: var(--c-muted);
  overflow-wrap: anywhere;
}

.home-facts__identity .fact-row {
  margin-bottom: 0;
}

.home-facts__body {
  max-width: var(--reading-w);
  margin-inline: auto;
  padding-top: 8px;
}

.home-facts__body p {
  color: var(--c-muted);
  line-height: 1.9;
}

.home-facts__body strong {
  color: var(--c-text);
}

.home-article-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px 32px;
  margin-top: 40px;
}

.home-article-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

@keyframes home-orbit-breathe {
  0%, 100% {
    transform: translateY(-4px);
  }
  50% {
    transform: translateY(4px);
  }
}

@media (max-width: 768px) {
  .home-store-strip {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .home-facts__identity {
    align-items: flex-start;
    gap: 24px;
  }

  .home-facts__logo {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 640px) {
  .home-steps > article {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .home-facts__identity {
    flex-direction: column;
  }

  .home-article-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-orbit-label {
    animation: none;
  }
}