/* ===== 首页专属样式 ===== */
.page-home {
  --home-cats-width: 264px;
  --home-gap: 36px;
  background:
    radial-gradient(ellipse at 84% 8%, rgba(0, 212, 255, 0.09), transparent 44%),
    radial-gradient(ellipse at 18% 90%, rgba(255, 122, 0, 0.06), transparent 44%);
}

/* 分屏首屏 */
.page-home .split-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 36px 0 28px;
}

.page-home .split-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-neon), var(--color-orange), transparent);
  opacity: 0.7;
}

.page-home .split-hero__content {
  min-width: 0;
}

.page-home .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 22px;
}

.page-home .breadcrumb a {
  color: var(--color-neon);
  text-decoration: none;
  transition: color var(--ease);
}

.page-home .breadcrumb a:hover,
.page-home .breadcrumb a:focus-visible {
  color: var(--color-text);
}

.page-home .breadcrumb span[aria-hidden="true"] {
  opacity: 0.5;
}

.page-home .split-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 8vw, 64px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  text-shadow: 0 0 22px rgba(0, 212, 255, 0.45);
  margin: 0 0 20px;
}

.page-home .split-hero .lead {
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-muted);
  margin-bottom: 30px;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 38px;
}

.page-home .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  padding-top: 22px;
  border-top: 1px solid rgba(0, 212, 255, 0.16);
}

.page-home .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .hero-stat__num {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-orange);
}

.page-home .hero-stat__label {
  font-size: 13px;
  color: var(--color-muted);
}

.page-home .split-hero__visual {
  position: relative;
}

.page-home .split-hero__visual::before {
  content: '';
  position: absolute;
  inset: 10% 2%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.16), rgba(255, 122, 0, 0.14));
  border-radius: calc(var(--radius) + 10px);
  filter: blur(14px);
  z-index: 0;
}

.page-home .split-hero__visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-neon);
}

/* 双栏布局：分类索引 + 主内容 */
.page-home .home-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: 12px 0 72px;
}

/* 分类索引 */
.page-home .home-cats {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(0, 212, 255, 0.06), transparent 45%),
    var(--color-panel);
  padding: 24px 20px;
  align-self: start;
}

.page-home .home-cats__head {
  margin-bottom: 20px;
}

.page-home .home-cats__head .eyebrow {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-neon);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.page-home .home-cats__head h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 4px 0 0;
  color: var(--color-text);
}

.page-home .home-cats__nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-home .home-cats__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid rgba(0, 212, 255, 0.18);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.012);
  color: var(--color-text);
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-home .home-cats__code {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-orange);
  min-width: 24px;
}

.page-home .home-cats__name {
  font-size: 15px;
  line-height: 1.4;
}

.page-home .home-cats__item:hover,
.page-home .home-cats__item:focus-visible {
  transform: translateX(6px);
  border-color: var(--color-neon);
  background: rgba(0, 212, 255, 0.07);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.25);
  outline: none;
}

.page-home .home-cats__note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 212, 255, 0.14);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-home .home-cats__note p {
  margin: 0;
}

/* 主内容区 */
.page-home .home-main {
  display: flex;
  flex-direction: column;
  gap: 64px;
  min-width: 0;
}

/* 活动案例合集预览 */
.page-home .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
}

.page-home .section-head .eyebrow {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-neon);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.page-home .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin: 0;
}

.page-home .section-intro {
  max-width: 54em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
  margin: 6px 0 10px;
}

.page-home .case-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 12px;
}

.page-home .case-card {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-panel);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.page-home .case-card:hover,
.page-home .case-card:focus-within {
  border-color: rgba(0, 212, 255, 0.75);
  box-shadow: 0 0 22px rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.page-home .case-card .media-frame {
  overflow: hidden;
  margin: 0;
  border-radius: calc(var(--radius) - 2px) calc(var(--radius) - 2px) 0 0;
  border-bottom: 1px solid var(--color-border);
}

.page-home .case-card .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--ease);
}

.page-home .case-card:hover .media-frame img,
.page-home .case-card:focus-within .media-frame img {
  transform: scale(1.05);
}

.page-home .case-card__body {
  padding: 16px 18px 20px;
}

.page-home .case-card__body .chip {
  display: inline-block;
  margin-bottom: 12px;
}

.page-home .case-card__body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--color-text);
  transition: color var(--ease);
}

.page-home .case-card:hover h3,
.page-home .case-card:focus-within h3 {
  color: var(--color-neon);
}

.page-home .case-card__body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

/* 订阅工具 */
.page-home .home-tool {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 30px 22px 64px;
  border: 1px solid rgba(0, 212, 255, 0.34);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(0, 212, 255, 0.07), rgba(255, 122, 0, 0.05)),
    var(--color-panel);
}

.page-home .home-tool__media .media-frame {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.page-home .home-tool__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .home-tool__content .eyebrow {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-orange);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.page-home .home-tool__content h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--color-text);
}

.page-home .home-tool__content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.page-home .check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-home .check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
}

.page-home .check-list li::before {
  content: '';
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-action);
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
}

.page-home .home-tool__cta {
  position: absolute;
  right: 20px;
  bottom: 18px;
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--ease), transform var(--ease);
}

/* iOS下载额度说明 */
.page-home .home-ios {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  padding: 30px 22px;
  border: 1px solid rgba(255, 122, 0, 0.3);
  border-radius: var(--radius);
  background: rgba(255, 122, 0, 0.045);
}

.page-home .home-ios__content .eyebrow {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-orange);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.page-home .home-ios__content h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--color-text);
}

.page-home .home-ios__content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 22px;
}

.page-home .home-ios__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-home .link-arrow {
  font-size: 14px;
  color: var(--color-neon);
  text-decoration: none;
  transition: letter-spacing var(--ease), color var(--ease);
}

.page-home .link-arrow:hover,
.page-home .link-arrow:focus-visible {
  color: var(--color-text);
  letter-spacing: 0.04em;
}

.page-home .home-ios__media .media-frame {
  overflow: hidden;
  border: 1px solid rgba(255, 122, 0, 0.36);
  border-radius: var(--radius);
  box-shadow: 0 0 18px rgba(255, 122, 0, 0.12);
}

.page-home .home-ios__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 中屏：活动案例两列 */
@media (min-width: 640px) {
  .page-home .case-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .page-home .case-card:last-child {
    grid-column: span 2;
  }
}

/* 桌面端 */
@media (min-width: 1024px) {
  .page-home .split-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 52px;
  }

  .page-home .home-layout {
    grid-template-columns: var(--home-cats-width) minmax(0, 1fr);
    gap: var(--home-gap);
    align-items: start;
    padding-bottom: 88px;
  }

  .page-home .home-cats {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-home .home-main {
    gap: 76px;
  }

  .page-home .case-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-home .case-card:last-child {
    grid-column: auto;
  }

  .page-home .home-tool {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 40px;
    align-items: center;
    padding: 38px 32px 74px;
  }

  .page-home .home-ios {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 40px;
    padding: 38px 32px;
  }

  /* 支持 hover 的设备才隐藏浮动按钮 */
  @media (hover: hover) {
    .page-home .home-tool__cta {
      opacity: 0;
      transform: translateY(10px);
      pointer-events: none;
    }

    .page-home .home-tool:hover .home-tool__cta,
    .page-home .home-tool:focus-within .home-tool__cta {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }
  }
}

/* 窄屏细节优化 */
@media (max-width: 420px) {
  .page-home .split-hero h1 {
    font-size: 30px;
  }

  .page-home .hero-stat__num {
    font-size: 28px;
  }

  .page-home .hero-stats {
    gap: 10px 24px;
  }

  .page-home .case-card__body {
    padding: 14px 16px 18px;
  }
}