.page-home {
  --ph-spacing: clamp(2.5rem, 7vw, 5.5rem);
  --ph-gap: clamp(1.25rem, 3vw, 2.5rem);
  --ph-track: rgba(0, 168, 255, 0.12);
  --ph-red-track: rgba(255, 46, 63, 0.14);
  --ph-line: rgba(42, 52, 84, 0.7);
  color: var(--color-text);
  background:
    radial-gradient(ellipse at 10% 8%, rgba(0, 168, 255, 0.08) 0%, transparent 42%),
    radial-gradient(ellipse at 90% 32%, rgba(255, 46, 63, 0.06) 0%, transparent 38%),
    var(--color-bg);
}

.page-home .breadcrumbs {
  margin-bottom: 1.25rem;
}

.page-home .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-dim);
}

.page-home .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--color-border);
}

.page-home .breadcrumbs a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-home .breadcrumbs a:hover,
.page-home .breadcrumbs a:focus-visible {
  color: var(--color-gold);
  outline: none;
}

/* ---------- 首屏框景 ---------- */
.page-home__hero {
  margin-bottom: var(--ph-spacing);
}

.page-home__hero-frame {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--color-border);
  background:
    linear-gradient(135deg, rgba(0, 168, 255, 0.1) 0%, transparent 36%),
    linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  overflow: hidden;
}

.page-home__hero-frame::before {
  content: "";
  position: absolute;
  inset: 0.75rem;
  border: 1px solid rgba(0, 168, 255, 0.24);
  pointer-events: none;
}

.page-home__corner-tl,
.page-home__corner-br {
  position: absolute;
  width: 2rem;
  height: 2rem;
  pointer-events: none;
  z-index: 2;
}

.page-home__corner-tl {
  top: 0.35rem;
  left: 0.35rem;
  border-top: 3px solid var(--color-blue);
  border-left: 3px solid var(--color-blue);
}

.page-home__corner-br {
  bottom: 0.35rem;
  right: 0.35rem;
  border-bottom: 3px solid var(--color-red);
  border-right: 3px solid var(--color-red);
}

.page-home__hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-home__hero-kicker {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.page-home__hero-title {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 9vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.page-home__hero-title-en {
  display: block;
  margin-top: 0.4rem;
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-gold);
}

.page-home__hero-lead,
.page-home__hero-note {
  margin: 0 0 1rem;
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.8;
  color: var(--color-text);
}

.page-home__hero-note {
  color: var(--color-dim);
}

.page-home__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-home__hero-media {
  position: relative;
  align-self: end;
}

.page-home__hero-image {
  margin: 0 auto;
  box-shadow: 0 0 0 1px rgba(0, 168, 255, 0.18), 1rem 1rem 0 rgba(0, 168, 255, 0.07);
}

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

.page-home__hero-badge {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.8rem;
  background: rgba(11, 14, 20, 0.9);
  border-left: 3px solid var(--color-gold);
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
}

.page-home__hero-badge-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-gold);
  letter-spacing: 0.04em;
}

.page-home__hero-ruler {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  background-image: repeating-linear-gradient(90deg, var(--color-border) 0 1px, transparent 1px 12px);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--color-dim);
}

/* ---------- 平台关键指标 ---------- */
.page-home__metrics {
  margin-bottom: var(--ph-spacing);
}

.page-home__metrics-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.page-home__metrics .metric {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 1.25rem;
  background: var(--color-bg-alt);
}

.page-home__metrics .metric-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  line-height: 1;
  color: var(--color-gold);
}

.page-home__metrics .metric-label {
  font-size: 0.85rem;
  color: var(--color-dim);
}

/* ---------- 版块标题 ---------- */
.page-home .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-border);
}

.page-home .section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 4.5vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-home .section-index {
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-red);
}

/* ---------- 适配清单 ---------- */
.page-home__adapt {
  margin-bottom: var(--ph-spacing);
}

.page-home__adapt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
  align-items: start;
}

.page-home__adapt-visual {
  position: relative;
}

.page-home__media-shadow {
  box-shadow: 0 0 0 1px rgba(255, 46, 63, 0.16), 0.85rem 0.85rem 0 rgba(255, 46, 63, 0.1);
}

.page-home__media-shadow img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.15) contrast(1.05);
}

.page-home__adapt-caption {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: var(--color-dim);
}

.page-home__adapt-panel {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  position: relative;
}

.page-home__adapt-panel::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 2.5rem;
  height: 2.5rem;
  border-top: 2px solid var(--color-blue);
  border-right: 2px solid var(--color-blue);
  pointer-events: none;
}

.page-home__adapt-intro {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
}

.page-home__platform-row {
  display: grid;
  grid-template-columns: 5rem 1fr 3.5rem;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--color-border);
}

.page-home__platform-name {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}

.page-home__platform-track {
  display: block;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.page-home__platform-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-blue), var(--color-red));
}

.page-home__platform-fill--full {
  width: 100%;
}

.page-home__platform-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-gold);
  text-align: right;
}

.page-home__adapt-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-home__adapt-note {
  margin: 1.5rem 0 0;
  padding-left: 0.85rem;
  border-left: 3px solid var(--color-blue);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-dim);
}

/* ---------- 阵容变动 ---------- */
.page-home__roster {
  margin-bottom: var(--ph-spacing);
  padding-bottom: var(--ph-gap);
  border-bottom: 1px solid var(--color-border);
}

.page-home__roster-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
}

.page-home__roster-card {
  padding: 1.5rem;
  background:
    linear-gradient(180deg, rgba(0, 168, 255, 0.06) 0%, transparent 90%),
    var(--color-card);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-blue);
}

.page-home__roster-subtitle {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
}

.page-home__roster-card .list-dash {
  margin: 0 0 1.25rem;
  padding-left: 0;
  list-style: none;
}

.page-home__roster-card .list-dash li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.65rem;
  line-height: 1.7;
  color: var(--color-text);
}

.page-home__roster-card .list-dash li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 0.85rem;
  height: 2px;
  background: var(--color-red);
}

.page-home__roster-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  justify-content: center;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse at 90% 10%, var(--ph-red-track) 0%, transparent 55%),
    var(--color-bg-alt);
}

.page-home__roster-badge {
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.75rem 1rem;
  background: rgba(11, 14, 20, 0.55);
  border-left: 3px solid var(--color-red);
}

.page-home__roster-badge-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.page-home__roster-badge-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-gold);
}

.page-home__roster-desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-dim);
}

/* ---------- 老用户导航 ---------- */
.page-home__legacy {
  margin-bottom: var(--ph-spacing);
}

.page-home__legacy-intro {
  margin: 0 0 1.5rem;
  max-width: 48rem;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-dim);
}

.page-home__nav-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-home__nav-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 1.35rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.page-home__nav-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-red));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}

.page-home__nav-card:hover,
.page-home__nav-card:focus-visible {
  background: var(--color-bg-alt);
  border-color: rgba(0, 168, 255, 0.45);
  transform: translateY(-4px);
  outline: none;
}

.page-home__nav-card:hover::after,
.page-home__nav-card:focus-visible::after {
  transform: scaleX(1);
}

.page-home__nav-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-blue);
}

.page-home__nav-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.page-home__nav-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-dim);
}

/* ---------- 版本号仪表板 ---------- */
.page-home__version {
  margin-bottom: var(--ph-spacing);
  padding: var(--ph-gap) 0;
  background:
    linear-gradient(180deg, rgba(0, 168, 255, 0.05) 0%, transparent 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.page-home__version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
}

.page-home__version-dash {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background:
    radial-gradient(ellipse at 15% 20%, rgba(0, 168, 255, 0.12) 0%, transparent 48%),
    var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-gold);
}

.page-home__version-label {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.page-home__version-number {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-gold);
}

.page-home__version-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-blue);
}

.page-home__changelog {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--color-border);
}

.page-home__changelog li {
  position: relative;
  padding: 0.8rem 0 0.8rem 1.4rem;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text);
}

.page-home__changelog li::before {
  content: "#";
  position: absolute;
  left: 0;
  color: var(--color-red);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.page-home__version-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-home__version-visual {
  align-self: end;
}

.page-home__version-image {
  box-shadow: 0 0 0 1px rgba(0, 168, 255, 0.2), 0.75rem 0.75rem 0 rgba(0, 168, 255, 0.08);
}

.page-home__version-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.2);
}

.page-home__version-caption {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: var(--color-dim);
}

/* ---------- 版本演进时间线 ---------- */
.page-home__timeline {
  margin-top: var(--ph-gap);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  background: rgba(26, 35, 51, 0.55);
}

.page-home__timeline-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1rem;
  margin-bottom: 0.85rem;
}

.page-home__timeline-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.page-home__timeline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home__timeline-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-dim);
}

.page-home__timeline-list li::before {
  content: "◇";
  color: var(--color-gold);
  font-size: 0.7rem;
}

/* ---------- 品牌连接与联系 ---------- */
.page-home__connect {
  margin-bottom: var(--ph-spacing);
}

.page-home__connect-skyline {
  margin-bottom: 1.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

.page-home__connect-skyline img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.1) brightness(0.95);
}

.page-home__connect-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ph-gap);
}

.page-home__connect-copy .section-kicker {
  margin-bottom: 0.75rem;
}

.page-home__connect-copy h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--color-text);
}

.page-home__connect-trust {
  margin: 0 0 1rem;
  padding: 1rem 1.25rem;
  background: rgba(0, 168, 255, 0.08);
  border-left: 4px solid var(--color-blue);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
}

.page-home__connect-about {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-dim);
}

.page-home__connect-contact {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 1.5rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
}

.page-home .contact-line {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0.85rem;
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.95rem;
  color: var(--color-text);
}

.page-home .contact-line-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.page-home .contact-note {
  margin: 1rem 0 0.5rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-dim);
}

.page-home__connect-icp {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

/* ---------- 响应式增强 ---------- */
@media (min-width: 680px) {
  .page-home__metrics-inner {
    grid-template-columns: 1fr 1fr;
  }

  .page-home__nav-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 920px) {
  .page-home__hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
  }

  .page-home__adapt-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-home__roster-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: stretch;
  }

  .page-home__version-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-home__connect-inner {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-home__metrics-inner {
    grid-template-columns: repeat(4, 1fr);
  }
}