.page-home {
  --home-gap: clamp(1.5rem, 3vw, 2.5rem);
  --home-num-stroke: 2px;
  overflow-x: clip;
  background-color: var(--c-cream);
}

/* ---------- 区块头 ---------- */
.page-home .section-head {
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
  max-width: 680px;
}
.page-home .section-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  max-width: none;
}
.page-home .section-head--split > div {
  max-width: 680px;
}
.page-home .section-head--split .section-lead {
  margin-bottom: 0;
}
.page-home .section-lead {
  margin-top: .625rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-brown);
}

/* ---------- Hero 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2rem, 4vw, 3.5rem);
  background: linear-gradient(135deg, var(--c-teal-light) 0%, var(--c-teal-light) 34%, var(--c-cream) 34%, var(--c-cream) 100%);
}
.page-home .hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 100%;
  background: linear-gradient(135deg, rgba(245, 197, 24, .48), rgba(245, 197, 24, 0) 62%);
  clip-path: polygon(0 0, 100% 0, 58% 100%, 0 100%);
  pointer-events: none;
}
.page-home .hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 180px;
  height: 180px;
  border: 26px solid var(--c-orange);
  border-right-color: transparent;
  border-bottom-color: transparent;
  opacity: .16;
  pointer-events: none;
}
.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--home-gap);
  align-items: center;
}
@media (min-width: 880px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}
.page-home .hero__title {
  margin: .875rem 0 1rem;
  font-family: var(--font-sans);
  font-size: clamp(2.125rem, 5.2vw, 3.625rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-dark);
}
.page-home .hero__lead {
  margin: 0 0 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--c-brown);
}
.page-home .hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
  margin-bottom: 2rem;
}
.page-home .hero__cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .875rem 1.75rem;
  box-shadow: 0 8px 20px rgba(14, 122, 128, .22);
}
.page-home .hero__media {
  margin: 0;
}
.page-home .hero__media-frame {
  position: relative;
  padding: .75rem;
  background: #fff;
  border: 1px solid var(--c-teal);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transform: rotate(1.3deg);
}
.page-home .hero__media-frame::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid var(--c-border);
  pointer-events: none;
}
.page-home .hero__media-frame img {
  display: block;
  width: 100%;
  height: auto;
}
.page-home .hero__media-caption {
  margin-top: 1.25rem;
  font-family: var(--font-sans);
  font-size: .8125rem;
  color: var(--c-brown);
  text-align: right;
}

/* ---------- 章节预览 ---------- */
.page-home .chapter-preview {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
}
.page-home .chapter-preview__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}
@media (min-width: 640px) {
  .page-home .chapter-preview__list {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .page-home .chapter-preview__list {
    grid-template-columns: repeat(4, 1fr);
  }
}
.page-home .chapter-preview__item {
  position: relative;
  border-top: 3px solid var(--c-teal);
  background: rgba(255, 255, 255, .62);
  transition: background .3s ease, border-color .3s ease, transform .3s ease;
}
.page-home .chapter-preview__item:hover {
  background: #fff;
  border-top-color: var(--c-orange);
  transform: translateY(-4px);
}
.page-home .chapter-preview__item > a {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  height: 100%;
  padding: 1.5rem 2.25rem 1.75rem 1.5rem;
  text-decoration: none;
  color: var(--c-dark);
}
.page-home .chapter-preview__num {
  font-family: var(--font-sans);
  font-size: clamp(2.75rem, 5vw, 4.25rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: var(--home-num-stroke) var(--c-teal);
  transition: -webkit-text-stroke-color .3s ease;
}
.page-home .chapter-preview__item:hover .chapter-preview__num {
  -webkit-text-stroke-color: var(--c-orange);
}
.page-home .chapter-preview__label {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--c-dark);
}
.page-home .chapter-preview__desc {
  display: block;
  font-family: var(--font-serif);
  font-size: .875rem;
  line-height: 1.55;
  color: var(--c-brown);
}
.page-home .chapter-preview__arrow {
  position: absolute;
  top: 1.5rem;
  right: 1.25rem;
  font-size: 1.25rem;
  color: var(--c-teal);
  transition: color .3s ease, transform .3s ease;
}
.page-home .chapter-preview__item:hover .chapter-preview__arrow {
  color: var(--c-orange);
  transform: translate(2px, -2px);
}

/* ---------- 版本9.2亮点 ---------- */
.page-home .version-section {
  position: relative;
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}
.page-home .version-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--c-teal) 0 33.3%, var(--c-yellow) 33.3% 66.6%, var(--c-orange) 66.6% 100%);
}
.page-home .version-layout {
  display: grid;
  gap: var(--home-gap);
  align-items: start;
}
@media (min-width: 960px) {
  .page-home .version-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}
.page-home .version-cards {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 640px) {
  .page-home .version-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
.page-home .feature-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1.5rem 1.5rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(46, 42, 38, .06);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.page-home .feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--c-teal-mid);
}
.page-home .feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--c-teal);
  background: var(--c-teal-light);
  border-radius: 50%;
  transition: background .3s ease, color .3s ease, transform .3s ease;
}
.page-home .feature-card:hover .feature-card__icon {
  background: var(--c-yellow);
  color: var(--c-dark);
  transform: rotate(-6deg) scale(1.06);
}
.page-home .feature-card__icon svg {
  width: 27px;
  height: 27px;
}
.page-home .feature-card__title {
  margin: 0 0 .5rem;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 900;
  line-height: 1.35;
  color: var(--c-dark);
}
.page-home .feature-card__desc {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--c-brown);
}
.page-home .feature-card__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: auto;
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 700;
  color: var(--c-teal);
  text-decoration: none;
}
.page-home .feature-card__link:hover {
  color: var(--c-orange);
}
.page-home .version-aside {
  position: relative;
  padding: .875rem;
  background: var(--c-teal-light);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
@media (min-width: 960px) {
  .page-home .version-aside {
    position: sticky;
    top: 6rem;
  }
}
.page-home .version-aside__media {
  padding: .5rem;
  border: 1px dashed var(--c-teal-mid);
  background: #fff;
}
.page-home .version-aside__media img {
  display: block;
  width: 100%;
  height: auto;
}
.page-home .version-aside__note {
  padding: 1rem .625rem .625rem;
}
.page-home .version-aside__note p {
  margin: .625rem 0 0;
  font-family: var(--font-serif);
  font-size: .875rem;
  line-height: 1.6;
  color: var(--c-brown);
}

/* ---------- 数据速览 ---------- */
.page-home .stats-section {
  position: relative;
  overflow: hidden;
}
.page-home .stats-section::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 122, 128, .14), transparent 70%);
  pointer-events: none;
}
.page-home .stats-layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--home-gap);
  align-items: center;
}
@media (min-width: 880px) {
  .page-home .stats-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}
.page-home .stat-grid {
  display: grid;
  gap: .875rem 1rem;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  padding: 0;
}
@media (min-width: 640px) {
  .page-home .stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-home .stat-card {
  margin: 0;
  padding: 1.25rem 1.125rem 1.125rem;
  background: #fff;
  border-left: 4px solid var(--c-teal);
  box-shadow: 0 4px 12px rgba(46, 42, 38, .05);
}
.page-home .stat-card .stat-label {
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-brown);
}
.page-home .stat-card .stat-number {
  display: block;
  margin: .375rem 0 0;
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 2.8vw, 2.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--c-teal);
}
.page-home .stats-media {
  margin: 0;
}
.page-home .stats-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--c-border);
}
.page-home .stats-media__caption {
  margin-top: .75rem;
  font-family: var(--font-sans);
  font-size: .8125rem;
  color: var(--c-brown);
  text-align: right;
}

/* ---------- 最新动态 ---------- */
.page-home .news-section {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.page-home .news-grid {
  gap: 1.5rem;
}
.page-home .news-grid .card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: transform .3s ease, box-shadow .3s ease;
}
.page-home .news-grid .card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.page-home .news-grid .card .tag {
  align-self: flex-start;
}
.page-home .news-grid .card__title {
  margin: 1rem 0 .5rem;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 900;
  line-height: 1.35;
  color: var(--c-dark);
}
.page-home .news-grid .card__desc {
  margin: 0 0 1.25rem;
  font-family: var(--font-serif);
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--c-brown);
}
.page-home .news-grid .card__link {
  margin-top: auto;
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 700;
  color: var(--c-teal);
  text-decoration: none;
}
.page-home .news-grid .card__link:hover {
  color: var(--c-orange);
}

/* ---------- 下载引导 ---------- */
.page-home .download-cta {
  position: relative;
  padding-top: clamp(3rem, 6vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 4.5rem);
  background: var(--c-dark);
  color: var(--c-cream);
  overflow: hidden;
}
.page-home .download-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--c-teal) 0 33.3%, var(--c-yellow) 33.3% 66.6%, var(--c-orange) 66.6% 100%);
}
.page-home .download-cta::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 197, 24, .28), transparent 65%);
  pointer-events: none;
}
.page-home .download-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 860px) {
  .page-home .download-cta__inner {
    grid-template-columns: minmax(0, 1fr) 240px;
  }
}
.page-home .download-cta .kicker {
  color: var(--c-yellow);
}
.page-home .download-cta__title {
  margin: .75rem 0 1rem;
  font-family: var(--font-sans);
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  color: #fff;
}
.page-home .download-cta__lead {
  margin: 0 0 1.75rem;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--c-cream);
}
.page-home .download-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.page-home .btn-lg {
  padding: .875rem 1.75rem;
  font-size: 1rem;
}
.page-home .download-cta .btn-outline {
  border-color: var(--c-cream);
  color: var(--c-cream);
}
.page-home .download-cta .btn-outline:hover {
  background: rgba(250, 246, 240, .14);
  color: #fff;
}
.page-home .download-cta__note {
  font-family: var(--font-serif);
  font-size: .875rem;
  line-height: 1.6;
  color: rgba(250, 246, 240, .72);
}
.page-home .download-cta__media {
  padding: 1rem;
  background: rgba(255, 255, 255, .06);
  border: 1px dashed rgba(245, 197, 24, .55);
}
.page-home .download-cta__media img {
  display: block;
  width: 100%;
  height: auto;
}