.page-home {
  --home-hero-min-height: calc(100vh - var(--header-height));
  --home-gold-line: linear-gradient(135deg, transparent 80%, var(--color-gold) 80%);
  color-scheme: dark;
  background: var(--color-bg);
}

.page-home .container,
.page-home .section,
.page-home .section-tight {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-l);
}

.page-home .section,
.page-home .section-tight {
  padding-block: var(--space-2xl);
}

.page-home .section-head {
  margin-bottom: var(--space-xl);
  max-width: 720px;
}

.page-home .section-kicker {
  font-family: var(--font-number);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-s);
  display: flex;
  align-items: center;
  gap: var(--space-s);
}

.page-home .section-kicker::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--color-gold);
}

.page-home .section-title,
.page-home h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.2;
  color: var(--color-cream);
  margin: 0 0 var(--space-s);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.page-home .section-intro {
  color: var(--color-gray);
  line-height: 1.7;
  margin: 0;
  font-size: 1rem;
}

/* 首屏封面 */
.page-home .home-hero {
  position: relative;
  min-height: var(--home-hero-min-height);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg-deep);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 8px;
  background: var(--color-gold);
  z-index: 2;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, var(--color-bg-deep), transparent);
  z-index: 1;
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.page-home .hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding: var(--space-2xl) var(--space-l);
  display: grid;
  gap: var(--space-2xl);
}

.page-home .hero-text {
  max-width: 680px;
}

.page-home .hero-kicker {
  font-family: var(--font-number);
  color: var(--color-gold);
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-m);
  padding-left: var(--space-l);
  position: relative;
}

.page-home .hero-kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.page-home .hero-text h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 8vw, 5rem);
  line-height: 1.05;
  color: var(--color-cream);
  margin: 0 0 var(--space-l);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  border-left: 4px solid var(--color-gold);
  padding-left: var(--space-l);
}

.page-home .hero-intro {
  font-size: 1.125rem;
  line-height: 1.8;
  color: rgba(247, 243, 232, 0.85);
  margin-bottom: var(--space-xl);
  max-width: 540px;
}

.page-home .btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 0.875rem 2rem;
  font-weight: 700;
  transition: background var(--transition), transform var(--transition);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  text-decoration: none;
  display: inline-block;
}

.page-home .btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

/* 首屏索引 */
.page-home .hero-index {
  background: rgba(10, 26, 63, 0.85);
  border: 1px solid rgba(212, 175, 55, 0.4);
  backdrop-filter: blur(4px);
  padding: var(--space-l);
  max-width: 420px;
  grid-row: 2;
}

.page-home .index-label {
  display: block;
  font-family: var(--font-number);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-s);
  padding-bottom: var(--space-s);
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.page-home .index-line {
  display: flex;
  align-items: baseline;
  gap: var(--space-s);
  padding: var(--space-s) 0;
  color: var(--color-cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 243, 232, 0.08);
  transition: color var(--transition), padding-left var(--transition);
  font-size: 1.125rem;
}

.page-home .index-line:hover {
  color: var(--color-gold);
  padding-left: var(--space-s);
}

.page-home .index-no {
  font-family: var(--font-number);
  color: var(--color-accent);
  font-size: 0.875rem;
}

/* 版本动态 */
.page-home .home-updates {
  background: var(--color-bg);
}

.page-home .update-list {
  gap: var(--space-l);
}

.page-home .update-item {
  display: block;
  margin-bottom: 0;
}

.page-home .panel-clip {
  background: var(--color-bg-card);
  border: 1px solid rgba(212, 175, 55, 0.15);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  padding: var(--space-xl);
  transition: transform var(--transition), border-color var(--transition);
}

.page-home .panel-clip:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.4);
}

.page-home .update-tag {
  display: inline-block;
  background: rgba(212, 175, 55, 0.15);
  color: var(--color-gold);
  font-family: var(--font-number);
  font-size: 0.875rem;
  padding: 0.25rem 0.75rem;
  margin-bottom: var(--space-m);
  border-left: 2px solid var(--color-gold);
}

.page-home .update-item h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-cream);
  margin-bottom: var(--space-m);
  line-height: 1.3;
}

.page-home .update-item p {
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--space-m);
}

.page-home .text-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.page-home .text-link:hover {
  border-bottom-color: var(--color-accent);
}

/* 核心功能区 */
.page-home .home-features {
  background: var(--color-bg-deep);
  scroll-margin-top: var(--header-height);
}

.page-home .feature-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  padding-bottom: var(--space-m);
}

.page-home .filter-button {
  min-height: 44px;
  padding: 0.625rem 1.25rem;
  background: var(--color-bg-card);
  color: var(--color-gray);
  border: 1px solid rgba(212, 175, 55, 0.2);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.9375rem;
}

.page-home .filter-button.is-active {
  background: var(--color-gold);
  color: var(--color-bg-deep);
  border-color: var(--color-gold);
}

.page-home .feature-panel {
  display: none;
}

.page-home .feature-panel.is-active {
  display: block;
  animation: page-home-fade-in var(--transition);
}

@keyframes page-home-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-home .feature-panel-grid {
  align-items: center;
  gap: var(--space-2xl);
}

.page-home .feature-panel-content h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--color-cream);
  margin: 0 0 var(--space-m);
  line-height: 1.2;
}

.page-home .feature-panel-content p {
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--space-l);
}

.page-home .index-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  display: grid;
  gap: var(--space-s);
}

.page-home .index-list li {
  color: var(--color-cream);
  padding-left: var(--space-l);
  position: relative;
  font-size: 0.9375rem;
}

.page-home .index-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-gold);
}

.page-home .btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-dark);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}

.page-home .btn-secondary:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--color-gold);
}

.page-home .media {
  overflow: hidden;
  background: var(--color-bg-card);
}

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

.page-home .media.is-4-3 {
  aspect-ratio: 4 / 3;
}

.page-home .media.is-portrait {
  aspect-ratio: 3 / 5;
}

/* 安装引导区 */
.page-home .home-install {
  background: var(--color-bg);
  scroll-margin-top: var(--header-height);
}

.page-home .install-grid {
  align-items: center;
  gap: var(--space-2xl);
}

.page-home .install-steps {
  position: relative;
  padding-left: var(--space-m);
}

.page-home .install-step {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  padding: var(--space-s) 0;
  position: relative;
}

.page-home .install-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 44px;
  bottom: -16px;
  width: 1px;
  background: rgba(212, 175, 55, 0.3);
}

.page-home .install-step:last-child::before {
  display: none;
}

.page-home .step-num {
  min-width: 44px;
  min-height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-number);
  font-size: 1.125rem;
  z-index: 1;
  box-shadow: 0 0 0 4px var(--color-bg);
}

.page-home .install-step p {
  margin: 0;
  color: var(--color-cream);
  font-size: 1.0625rem;
  line-height: 1.5;
}

.page-home .install-note {
  margin-top: var(--space-l);
  color: var(--color-gray);
  font-size: 0.875rem;
  line-height: 1.6;
  padding-left: 72px;
}

.page-home .install-media {
  order: -1;
  max-width: 320px;
  margin-inline: auto;
  width: 100%;
}

/* 数据可靠性区 */
.page-home .home-reliability {
  background: var(--color-bg-deep);
  scroll-margin-top: var(--header-height);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-home .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-m);
  margin-bottom: var(--space-xl);
}

.page-home .stat-card {
  background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-3));
  padding: var(--space-l);
  border-left: 4px solid var(--color-gold);
  position: relative;
  overflow: hidden;
}

.page-home .stat-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, transparent 50%, rgba(212, 175, 55, 0.2) 50%);
}

.page-home .stat-number {
  font-family: var(--font-number);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-gold);
  display: block;
  line-height: 1.2;
  margin-bottom: var(--space-s);
}

.page-home .stat-label {
  color: var(--color-gray);
  font-size: 0.875rem;
  line-height: 1.4;
  display: block;
}

.page-home .reliability-footnote {
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  padding-top: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
  align-items: flex-start;
}

.page-home .reliability-footnote p {
  color: var(--color-gray);
  line-height: 1.7;
  margin: 0;
  max-width: 720px;
}

/* 移动端优先，桌面端增强 */
@media (min-width: 768px) {
  .page-home .hero-content {
    grid-template-columns: 1fr 360px;
    gap: var(--space-2xl);
    min-height: var(--home-hero-min-height);
    padding-block: var(--space-3xl);
  }

  .page-home .hero-index {
    grid-row: 1;
    align-self: center;
    margin-top: var(--space-2xl);
  }

  .page-home .stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .feature-panel-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-home .install-media {
    order: 2;
    max-width: 300px;
    margin-left: auto;
    margin-right: var(--space-2xl);
  }

  .page-home .install-steps {
    padding-left: var(--space-xl);
  }

  .page-home .btn-primary {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  .page-home .stat-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-home .stat-card {
    padding: var(--space-xl) var(--space-l);
  }

  .page-home .hero-content {
    grid-template-columns: 1fr 380px;
  }

  .page-home .hero-text h1 {
    font-size: 5rem;
  }
}