.page-home {
  --home-gap: clamp(16px, 2vmin, 26px);
  --home-panel-pad: clamp(18px, 2.4vw, 30px);
  font-family: var(--font-body);
  color: var(--paper);
  background:
    radial-gradient(circle at 84% 4%, rgba(79, 224, 192, 0.10), transparent 46%),
    linear-gradient(180deg, var(--ink) 0%, #0c241e 58%, var(--ink) 100%);
}

.page-home .section {
  padding-block: clamp(52px, 7vw, 104px);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-home .home-hero {
  padding-top: clamp(96px, 14vh, 168px);
  background-image:
    linear-gradient(rgba(168, 243, 228, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 243, 228, 0.05) 1px, transparent 1px);
  background-size: 76px 76px;
}

.page-home .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 36px);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-home .home-hero__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .home-hero__main {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-home .home-hero__main .display,
.page-home .home-hero__main .lede {
  margin: 0;
}

.page-home .home-hero__main .lede {
  max-width: 64ch;
}

/* ---- 章节索引 ---- */
.page-home .home-index {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .home-index__label {
  writing-mode: vertical-rl;
  height: 96px;
  font-size: 12px;
  letter-spacing: 0.34em;
  color: var(--muted);
}

.page-home .home-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-home .home-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-home .home-index__list a:hover,
.page-home .home-index__list a:focus-visible {
  color: var(--paper);
  background: var(--veil);
  border-color: rgba(79, 224, 192, 0.5);
}

.page-home .home-index__list .mono {
  color: var(--cyan-soft);
  font-size: 12px;
}

/* ---- 胶囊跳转 ---- */
.page-home .home-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .home-quick .pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-home .home-quick .pill:hover,
.page-home .home-quick .pill:focus-visible {
  background: var(--veil);
  border-color: var(--cyan);
  color: var(--paper);
}

/* ---- 首屏堆叠面板 ---- */
.page-home .home-panels {
  display: grid;
  gap: var(--home-gap);
}

.page-home .hero-panel {
  display: grid;
  gap: 14px;
  padding: var(--home-panel-pad);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(16, 44, 37, 0.82) 100%);
  box-shadow: inset 0 1px 0 rgba(168, 243, 228, 0.08), 0 22px 46px -34px rgba(0, 0, 0, 0.95);
}

.page-home .hero-panel.panel--lift {
  background: linear-gradient(180deg, var(--panel-lift) 0%, rgba(16, 44, 37, 0.88) 100%);
}

.page-home .hero-panel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-home .hero-panel__head .h3 {
  margin: 0;
}

.page-home .hero-panel__idx {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-home .hero-panel__text {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
}

.page-home .hero-panel__foot {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 15px;
  color: var(--muted);
}

.page-home .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.page-home .hero-panel__foot .num {
  color: var(--cyan);
  font-size: 30px;
  line-height: 1;
}

.page-home .dim-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .dim-chip {
  padding: 6px 14px;
  border: 1px solid rgba(79, 224, 192, 0.28);
  border-radius: var(--radius-pill);
  background: var(--veil);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---- 角球柱形 ---- */
.page-home .corner-bars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
  height: 92px;
}

.page-home .corner-bar {
  display: block;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(79, 224, 192, 0.16) 100%);
}

.page-home .corner-bar--a { height: 34%; }
.page-home .corner-bar--b { height: 62%; }
.page-home .corner-bar--c { height: 100%; }
.page-home .corner-bar--d { height: 46%; }

.page-home .corner-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

/* ---- 媒体框 ---- */
.page-home .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  background: var(--panel);
}

.page-home .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .media-frame--wide img { aspect-ratio: 21 / 9; }
.page-home .media-frame--tall img { aspect-ratio: 3 / 4; }

.page-home .media-frame__note {
  display: block;
  padding: 10px 16px 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---- 区块标题 ---- */
.page-home .home-head {
  display: grid;
  gap: 12px;
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-home .home-head .h2,
.page-home .home-head .lede {
  margin: 0;
}

/* ---- 字段长表 ---- */
.page-home .home-fields__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .field-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}

.page-home .field-item {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2vw, 24px) 0;
  border-bottom: 1px solid var(--hairline);
}

.page-home .field-item__key {
  color: var(--cyan);
  font-size: 15px;
  letter-spacing: 0.08em;
}

.page-home .field-item__body p {
  margin: 0 0 8px;
  line-height: 1.85;
}

.page-home .field-item__body p:last-child {
  margin-bottom: 0;
}

.page-home .field-item__use {
  color: var(--muted);
  font-size: 15px;
}

.page-home .field-note {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: var(--home-panel-pad);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  background: var(--panel-lift);
}

.page-home .field-note .h3 {
  margin: 0;
}

.page-home .field-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-home .field-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .field-note__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
}

.page-home .field-note__list .num {
  color: var(--cyan);
  font-size: 24px;
  line-height: 1;
}

/* ---- 处理流程 ---- */
.page-home .home-flow {
  background: linear-gradient(180deg, rgba(16, 44, 37, 0.6), rgba(10, 31, 26, 0));
}

.page-home .home-flow__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .home-flow__text .h2,
.page-home .home-flow__text .lede {
  margin: 0;
}

.page-home .home-flow__text .lede {
  margin-top: 14px;
}

.page-home .flow-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .flow-step {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2vw, 22px);
  border: 1px solid var(--hairline);
  border-left: 2px solid rgba(79, 224, 192, 0.7);
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, rgba(79, 224, 192, 0.07), rgba(79, 224, 192, 0) 62%);
}

.page-home .flow-step .h3 {
  margin: 0;
}

.page-home .flow-step p {
  margin: 0;
  line-height: 1.8;
}

.page-home .flow-step__idx {
  color: var(--orange-soft);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-home .home-flow__media {
  margin: 0;
}

/* ---- 使用场景 ---- */
.page-home .home-scenes__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .scene-cards {
  display: grid;
  gap: var(--home-gap);
}

.page-home .scene-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.page-home .scene-card .h3 {
  margin: 0;
}

.page-home .scene-card p {
  margin: 0;
  line-height: 1.8;
}

.page-home .scene-card__field {
  color: var(--orange-soft);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---- 版本节奏 ---- */
.page-home .home-versions {
  background: rgba(79, 224, 192, 0.035);
}

.page-home .home-versions__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .home-versions__text .h2,
.page-home .home-versions__text .lede {
  margin: 0;
}

.page-home .home-versions__text .lede {
  margin-top: 14px;
}

.page-home .version-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .version-list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.8;
}

.page-home .version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-home .version-list li:nth-child(3)::before {
  background: var(--orange);
}

.page-home .version-list strong {
  color: var(--cyan-soft);
  font-weight: 600;
}

.page-home .home-versions__media {
  align-self: center;
}

/* ---- 开始使用 ---- */
.page-home .start-grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .start-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(16, 44, 37, 0.7) 100%);
}

.page-home .start-card .h3 {
  margin: 0;
}

.page-home .start-card p {
  margin: 0;
  line-height: 1.8;
}

.page-home .start-card .btn {
  justify-self: start;
  margin-top: 4px;
}

/* ---- 响应式 ---- */
@media (max-width: 639px) {
  .page-home .home-hero__media img {
    aspect-ratio: 16 / 9;
  }

  .page-home .corner-bars {
    height: 76px;
  }
}

@media (min-width: 640px) {
  .page-home .scene-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-home .start-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    gap: clamp(26px, 4vw, 60px);
    align-items: start;
  }

  .page-home .home-index {
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }

  .page-home .home-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-home .home-index__list a {
    padding: 9px 12px;
    border: 0;
    border-left: 1px solid var(--hairline);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
  }

  .page-home .home-index__list a:hover,
  .page-home .home-index__list a:focus-visible {
    border-left-color: var(--cyan);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
  }

  .page-home .hero-panel {
    padding: var(--home-panel-pad) calc(var(--home-panel-pad) + 6px);
  }
}

@media (min-width: 1000px) {
  .page-home .home-fields__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-home .field-item {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-home .home-flow__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(26px, 4vw, 60px);
    align-items: start;
  }

  .page-home .home-scenes__grid {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    gap: clamp(26px, 4vw, 60px);
    align-items: start;
  }

  .page-home .home-versions__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(26px, 4vw, 60px);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .reveal {
    opacity: 1;
    transform: none;
  }

  .page-home a,
  .page-home .hero-panel,
  .page-home .corner-bar {
    transition: none;
  }
}