.page-home {
  --home-kicker-color: #C9A862;
  background-color: var(--color-ink);
  color: var(--text-body);
  overflow-x: clip;
  background-image:
    linear-gradient(rgba(90, 117, 101, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 117, 101, .07) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: -1px -1px;
}
.page-home ::selection {
  background: rgba(201, 168, 98, .3);
  color: var(--color-cream);
}

/* 章节索引：编辑部窄栏编号 */
.page-home .section-index {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  font-size: .72rem;
  font-weight: 400;
  letter-spacing: .3em;
  color: var(--color-gold);
  white-space: nowrap;
}
.page-home .section-index-line {
  display: inline-block;
  width: 52px;
  height: 1px;
  background: currentColor;
  opacity: .6;
}
.page-home .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 4.4vw, 2.9rem);
  line-height: 1.28;
  letter-spacing: .04em;
  color: var(--color-cream);
}
.page-home .section-lead {
  margin: 0;
  max-width: 56ch;
  font-size: .875rem;
  line-height: 1.85;
  color: var(--text-muted);
}
.page-home .text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding-bottom: 2px;
  font-size: .875rem;
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 168, 98, .4);
  transition: border-color var(--speed), color var(--speed);
}
.page-home .text-link:hover {
  border-color: var(--color-terra);
  color: var(--color-terra);
}
.page-home .route-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: .875rem;
  letter-spacing: .12em;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius);
  color: var(--color-gold);
  text-decoration: none;
  background: transparent;
  transition: background-color var(--speed), border-color var(--speed), color var(--speed);
}
.page-home .route-button:hover {
  background-color: var(--color-terra);
  border-color: var(--color-terra);
  color: var(--color-cream);
}

/* ========== 01 平台概括 ========== */
.page-home .intro-section {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 84vh;
  padding: calc(var(--header-h) + 48px) 0 72px;
  overflow: hidden;
  isolation: isolate;
  scroll-margin-top: calc(var(--header-h) + 8px);
}
.page-home .intro-bg-wrap {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-home .intro-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .28;
  filter: saturate(.72) contrast(1.08);
}
.page-home .intro-veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, rgba(15, 26, 21, .88) 0%, rgba(15, 26, 21, .68) 42%, rgba(15, 26, 21, .32) 72%, rgba(15, 26, 21, .12) 100%),
    linear-gradient(0deg, var(--color-ink) 0%, transparent 34%);
}
.page-home .intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  width: 100%;
}
.page-home .intro-kicker {
  margin: 0 0 14px;
  font-size: .72rem;
  letter-spacing: .28em;
  color: var(--color-sage);
}
.page-home .intro-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3.1rem, 10vw, 6.6rem);
  line-height: 1.05;
  letter-spacing: .06em;
  color: var(--color-cream);
}
.page-home .intro-tagline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.1rem;
  letter-spacing: .3em;
  color: var(--color-gold);
}
.page-home .intro-sidecol {
  max-width: 44ch;
}
.page-home .intro-lead {
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-body);
}
.page-home .intro-desc {
  margin: 0 0 28px;
  font-size: .875rem;
  line-height: 1.85;
  color: var(--text-muted);
}
.page-home .intro-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

/* ========== 02 站内目录 ========== */
.page-home .directory-section {
  padding: 88px 0 96px;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-line);
  scroll-margin-top: calc(var(--header-h) + 8px);
}
.page-home .directory-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 44px;
}
.page-home .directory-head-main .section-title {
  margin-bottom: 0;
}
.page-home .directory-list {
  border-top: 1px solid var(--color-line);
}
.page-home .directory-row {
  display: grid;
  grid-template-columns: 40px 1fr 24px;
  gap: 4px 12px;
  padding: 20px 0;
  text-decoration: none;
  border-bottom: 1px solid var(--color-line-soft);
  transition: border-color var(--speed), padding-left var(--speed);
}
.page-home .directory-row:hover {
  border-color: var(--color-gold);
  padding-left: 8px;
}
.page-home .directory-row-index {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--color-gold);
  line-height: 1.6;
}
.page-home .directory-row-name {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: .04em;
  color: var(--color-cream);
  transition: color var(--speed);
}
.page-home .directory-row:hover .directory-row-name {
  color: var(--color-gold);
}
.page-home .directory-row-desc {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  font-size: .75rem;
  line-height: 1.55;
  color: var(--text-muted);
}
.page-home .directory-row-arrow {
  grid-column: 3 / 4;
  grid-row: 1 / 3;
  align-self: center;
  font-size: .9rem;
  color: var(--color-gold);
  opacity: .7;
  transform: translateX(0);
  transition: opacity var(--speed), transform var(--speed);
}
.page-home .directory-row:hover .directory-row-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ========== 03 核心功能 ========== */
.page-home .features-section {
  padding: 96px 0;
  scroll-margin-top: calc(var(--header-h) + 8px);
}
.page-home .features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 52px;
}
.page-home .features-main .section-title {
  margin-bottom: 44px;
}
.page-home .feature-list {
  border-top: 1px solid var(--color-line);
}
.page-home .feature-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 16px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-line-soft);
  transition: border-color var(--speed), padding-left var(--speed);
}
.page-home .feature-item:hover {
  border-color: var(--color-gold);
  padding-left: 8px;
}
.page-home .feature-item-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-gold);
}
.page-home .feature-item-body {
  min-width: 0;
}
.page-home .feature-item-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.2rem;
  letter-spacing: .04em;
  color: var(--color-cream);
}
.page-home .feature-item-text {
  margin: 0 0 12px;
  font-size: .875rem;
  line-height: 1.85;
  color: var(--text-muted);
}
.page-home .features-aside {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-content: start;
}
.page-home .features-visual {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius);
  background: rgba(90, 117, 101, .14);
}
.page-home .features-panel {
  padding: 26px;
  border-left: 2px solid var(--color-gold);
  border-radius: var(--radius);
}
.page-home .features-panel-title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.5rem;
  letter-spacing: .06em;
  color: var(--color-gold);
}
.page-home .features-panel-text {
  margin: 0;
  font-size: .8rem;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ========== 04 数据快照 ========== */
.page-home .stats-section {
  padding: 96px 0 88px;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-line);
  scroll-margin-top: calc(var(--header-h) + 8px);
}
.page-home .stats-header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 44px;
}
.page-home .stats-header-main .section-title {
  margin-bottom: 0;
}
.page-home .stats-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
.page-home .stats-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.page-home .stat-card {
  min-width: 0;
  padding: 22px 18px;
  background: linear-gradient(135deg, rgba(90, 117, 101, .16), rgba(15, 26, 21, .24));
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius);
  transition: border-color var(--speed), background-color var(--speed);
}
.page-home .stat-card:hover {
  border-color: var(--color-gold);
  background: linear-gradient(135deg, rgba(90, 117, 101, .24), rgba(15, 26, 21, .3));
}
.page-home .stat-value {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2rem;
  line-height: 1.2;
  color: var(--color-gold);
}
.page-home .stat-label {
  display: block;
  font-size: .72rem;
  letter-spacing: .12em;
  line-height: 1.6;
  color: var(--text-muted);
}
.page-home .stats-visual {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-home .stats-visual-main,
.page-home .stats-visual-sub {
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius);
  background: rgba(90, 117, 101, .12);
}
.page-home .stats-visual-sub {
  width: 66%;
  margin-left: auto;
}
.page-home .stats-trust {
  margin-top: 64px;
}
.page-home .stats-trust-text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--text-body);
}

/* ========== 图片比例容器 ========== */
.page-home .visual-ratio-32 {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.page-home .visual-ratio-43 {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.page-home .visual-ratio-11 {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.page-home .visual-ratio-32 img,
.page-home .visual-ratio-43 img,
.page-home .visual-ratio-11 img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ========== 响应式：平板 ========== */
@media (max-width: 399px) {
  .page-home .stats-cards {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 768px) {
  .page-home .directory-row {
    grid-template-columns: 52px 1fr 28px;
    gap: 6px 16px;
    padding: 24px 0;
  }
  .page-home .stats-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .page-home .stats-visual {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-home .stats-visual-sub {
    width: 100%;
    margin-left: 0;
  }
  .page-home .features-aside {
    grid-template-columns: 1fr 1fr;
  }
  .page-home .stat-value {
    font-size: 2.2rem;
  }
}

/* ========== 响应式：桌面 ========== */
@media (min-width: 992px) {
  .page-home .intro-section {
    min-height: 92vh;
    padding: calc(var(--header-h) + 72px) 0 96px;
  }
  .page-home .intro-grid {
    grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
    gap: 72px;
    align-items: end;
  }
  .page-home .intro-sidecol {
    padding-bottom: 10px;
  }
  .page-home .intro-title {
    font-size: clamp(3.4rem, 8vw, 6.6rem);
  }
  .page-home .directory-section {
    padding: 104px 0 112px;
  }
  .page-home .directory-head {
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: end;
    margin-bottom: 48px;
  }
  .page-home .directory-row {
    grid-template-columns: 96px 220px 1fr 48px;
    gap: 0 24px;
    padding: 30px 0;
    align-items: center;
  }
  .page-home .directory-row-index {
    grid-column: 1 / 2;
    grid-row: auto;
    font-size: 1.35rem;
  }
  .page-home .directory-row-name {
    grid-column: 2 / 3;
    grid-row: auto;
    font-size: 1.25rem;
  }
  .page-home .directory-row-desc {
    grid-column: 3 / 4;
    grid-row: auto;
    font-size: .875rem;
  }
  .page-home .directory-row-arrow {
    grid-column: 4 / 5;
    grid-row: auto;
    justify-self: end;
  }
  .page-home .features-section {
    padding: 112px 0;
  }
  .page-home .features-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: 80px;
  }
  .page-home .features-aside {
    grid-template-columns: 1fr;
    align-content: start;
    padding-top: 20px;
  }
  .page-home .feature-item {
    grid-template-columns: 56px 1fr;
    gap: 6px 20px;
    padding: 32px 0;
  }
  .page-home .feature-item-num {
    font-size: 1.25rem;
  }
  .page-home .stats-section {
    padding: 104px 0 96px;
  }
  .page-home .stats-header {
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: end;
    margin-bottom: 48px;
  }
  .page-home .stats-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 72px;
  }
  .page-home .stats-visual {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .page-home .stats-visual-sub {
    width: 68%;
    margin-left: auto;
    margin-top: -36px;
  }
  .page-home .stat-card {
    padding: 26px 22px;
  }
}