/* ===== 页面专属：.page-home ===== */
.page-home {
  --home-gap: clamp(2rem, 4vw, 4rem);
  --home-section-padding: clamp(3rem, 6vw, 6rem);
  --home-splash-min-height: 80vh;
  --home-capsule-bg: rgba(205, 164, 52, 0.12);
  --home-capsule-active-bg: rgba(205, 164, 52, 0.28);
  --home-glass-blur: 10px;
}

/* --- 分屏首屏 --- */
.page-home__splash {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: var(--home-splash-min-height);
  padding: var(--home-section-padding);
  gap: 2rem;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 80%);
}

.page-home__breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--size-small);
  color: var(--color-text-secondary);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.page-home__headline {
  font-family: var(--font-headline);
  font-size: var(--size-h1);
  color: var(--color-text-primary);
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  line-height: 1.1;
}

.page-home__lead {
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--color-text-secondary);
  max-width: 48ch;
  margin: 0 0 1.5rem;
}

.page-home__version-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
  font-family: var(--font-mono);
  font-size: var(--size-small);
  letter-spacing: 0.1em;
}

.page-home__splash-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-home__hero-img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

/* --- 导航岛 --- */
.page-home__nav-island {
  padding: var(--home-section-padding);
  background: var(--color-accent);
}

.page-home__section-title {
  font-family: var(--font-headline);
  font-size: var(--size-h2);
  color: var(--color-secondary);
  margin: 0 0 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-home__nav-capsules {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.page-home__capsule {
  padding: 0.6rem 2rem;
  background: var(--home-capsule-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--size-body);
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s;
}

.page-home__capsule--active,
.page-home__capsule[aria-selected="true"] {
  background: var(--home-capsule-active-bg);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.page-home__panel {
  display: none;
  margin-bottom: 2rem;
}

.page-home__panel--active {
  display: block;
}

.page-home__panel-content {
  padding: 2rem;
}

.page-home__panel-title {
  font-family: var(--font-headline);
  font-size: var(--size-h3);
  color: var(--color-text-primary);
  margin: 0 0 1rem;
}

.page-home__nav-img-wrapper {
  margin-top: 1.5rem;
}

.page-home__nav-img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

/* --- 版本更新板 --- */
.page-home__version-board {
  position: relative;
  padding: var(--home-section-padding);
  overflow: hidden;
}

.page-home__version-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home__version-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.page-home__version-inner {
  position: relative;
  z-index: 1;
}

.page-home__version-entry {
  padding: 2rem;
  max-width: 600px;
}

.page-home__version-title {
  font-family: var(--font-headline);
  font-size: var(--size-h3);
  color: var(--color-secondary);
  margin: 0 0 0.5rem;
}

.page-home__version-meta {
  font-family: var(--font-mono);
  font-size: var(--size-small);
  color: var(--color-text-secondary);
  margin: 0 0 1.5rem;
}

.page-home__version-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--color-text-primary);
}

.page-home__version-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.page-home__version-list li::before {
  content: "↳ ";
  color: var(--color-secondary);
  font-family: var(--font-mono);
}

.page-home__version-cta {
  display: inline-block;
}

/* --- 订阅反馈引导 --- */
.page-home__subscribe-feedback {
  padding: var(--home-section-padding);
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.page-home__feedback-grid {
  gap: 2rem;
  margin-bottom: 2rem;
}

.page-home__feedback-card {
  padding: 2rem;
}

.page-home__feedback-title {
  font-family: var(--font-headline);
  font-size: var(--size-h3);
  color: var(--color-secondary);
  margin: 0 0 1rem;
}

.page-home__feedback-link {
  display: inline-block;
  margin-top: 1rem;
}

.page-home__feedback-img {
  text-align: center;
}

.page-home__feedback-img-src {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
}

/* --- 响应式：桌面 ≥ 768px --- */
@media (min-width: 768px) {
  .page-home__splash {
    flex-direction: row;
    align-items: center;
    gap: 4rem;
  }

  .page-home__splash-text {
    flex: 1 1 50%;
  }

  .page-home__splash-visual {
    flex: 1 1 50%;
  }

  .page-home__nav-island {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
  }

  .page-home__nav-img-wrapper {
    margin-top: 0;
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .page-home__version-board {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
  }

  .page-home__version-bg {
    position: static;
    grid-column: 2;
    grid-row: 1;
  }

  .page-home__version-bg-img {
    opacity: 0.6;
  }

  .page-home__version-inner {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home__subscribe-feedback {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
  }

  .page-home__feedback-grid {
    grid-column: 1;
    grid-row: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .page-home__feedback-img {
    grid-column: 2;
    grid-row: 1;
    text-align: right;
  }
}

/* --- 响应式：大桌面 ≥ 1024px --- */
@media (min-width: 1024px) {
  .page-home__splash {
    padding: 2rem var(--home-section-padding);
  }
}