/* ===== 页面专属：首页 .page-home ===== */
.page-home {
  --page-accent: #ff3b30;
  --page-gold: #ffd700;
  --page-bg-dark: #0a1f3d;
  --page-bg-light: #f0f0f0;
  --page-text-light: #ffffff;
  --page-text-dark: #333333;
  --page-tech: #00bcd4;
  --page-card-shadow: 0 2px 12px rgba(0,0,0,0.35);
  --page-transition: 0.3s cubic-bezier(0.22,0.61,0.36,1);
  --page-font-heading: Impact, 'Futura Bold', 'Arial Black', sans-serif;
  --page-font-body: system-ui, -apple-system, sans-serif;
  position: relative;
}

/* breadcrumb */
.page-home .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  font-family: var(--page-font-body);
  color: rgba(255,255,255,0.6);
  background: var(--page-bg-dark);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: relative;
  z-index: 10;
}
.page-home .breadcrumb a {
  color: var(--page-text-light);
  text-decoration: none;
  transition: color var(--page-transition);
}
.page-home .breadcrumb a:hover,
.page-home .breadcrumb a:focus-visible {
  color: var(--page-accent);
  outline: 2px solid var(--page-accent);
  outline-offset: 2px;
}

/* ===== 首屏专题封面 ===== */
.page-home .hero-cover {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--page-bg-dark);
  padding: 0;
}
.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-home .hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}
.page-home .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(10,31,61,0.92) 0%, 
    rgba(10,31,61,0.6) 50%, 
    rgba(10,31,61,0.85) 100%);
  z-index: 1;
}
.page-home .hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  padding: 2rem 1.5rem;
  text-align: center;
}
.page-home .hero-label {
  display: inline-block;
  font-family: var(--page-font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--page-gold);
  background: rgba(255,215,0,0.12);
  padding: 0.35rem 1.2rem;
  border: 1px solid rgba(255,215,0,0.3);
  margin-bottom: 1.5rem;
}
.page-home .hero-title {
  font-family: var(--page-font-heading);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.05;
  color: var(--page-text-light);
  text-transform: uppercase;
  margin: 0 0 1.25rem;
  letter-spacing: 0.02em;
}
.page-home .hero-subtitle {
  font-family: var(--page-font-body);
  font-size: 1.125rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}
.page-home .hero-index {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
  margin-bottom: 2rem;
}
.page-home .hero-index-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--page-text-light);
  font-family: var(--page-font-body);
  font-size: 0.9375rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid transparent;
  transition: all var(--page-transition);
  border-radius: 4px;
}
.page-home .hero-index-item:hover,
.page-home .hero-index-item:focus-visible {
  border-color: var(--page-accent);
  background: rgba(255,59,48,0.12);
  outline: none;
}
.page-home .hero-index-num {
  font-family: var(--page-font-heading);
  font-size: 1.25rem;
  color: var(--page-gold);
  font-weight: 900;
}
.page-home .hero-index-label {
  font-weight: 500;
}
.page-home .hero-lights {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.page-home .light-beam {
  position: absolute;
  top: -20%;
  width: 6px;
  height: 140%;
  background: linear-gradient(180deg, transparent 0%, var(--page-accent) 40%, var(--page-gold) 60%, transparent 100%);
  opacity: 0;
  transform-origin: top center;
  animation: beamSweep 4s ease-in-out infinite;
  filter: blur(2px);
}
.page-home .light-beam-1 { left: 10%; animation-delay: 0s; }
.page-home .light-beam-2 { left: 30%; animation-delay: 0.8s; width: 4px; }
.page-home .light-beam-3 { left: 50%; animation-delay: 1.6s; }
.page-home .light-beam-4 { left: 70%; animation-delay: 2.4s; width: 5px; }
.page-home .light-beam-5 { left: 90%; animation-delay: 3.2s; width: 3px; }
@keyframes beamSweep {
  0% { opacity: 0; transform: rotate(-8deg) translateX(-40px) scaleY(0.3); }
  15% { opacity: 0.7; }
  30% { opacity: 0.3; transform: rotate(0deg) translateX(0) scaleY(1); }
  45% { opacity: 0.7; }
  60% { opacity: 0.1; transform: rotate(8deg) translateX(40px) scaleY(0.4); }
  100% { opacity: 0; }
}
.page-home .hero-slant {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 3;
  background: linear-gradient(135deg, transparent 40%, var(--page-bg-dark) 40%);
}
@media (prefers-reduced-motion: reduce) {
  .page-home .light-beam { animation: none; opacity: 0.15; }
  .page-home .hero-index-item { transition: none; }
}

/* ===== 通用区块容器 ===== */
.page-home .section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.page-home .section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.page-home .section-number {
  display: inline-block;
  font-family: var(--page-font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--page-gold);
  opacity: 0.6;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.page-home .section-number-dark {
  color: var(--page-bg-dark);
  opacity: 0.25;
}
.page-home .section-title {
  font-family: var(--page-font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--page-text-light);
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-home .section-title-dark {
  color: var(--page-text-dark);
}
.page-home .section-sub {
  font-family: var(--page-font-body);
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto;
}
.page-home .section-sub-dark {
  color: rgba(51,51,51,0.7);
}

/* ===== 三大核心功能 ===== */
.page-home .features {
  background: var(--page-bg-dark);
  padding: 5rem 0;
  position: relative;
}
.page-home .features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-home .feature-card {
  display: block;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  padding: 2rem 1.75rem;
  text-decoration: none;
  transition: all var(--page-transition);
  position: relative;
  overflow: hidden;
}
.page-home .feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--page-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--page-transition);
}
.page-home .feature-card:hover::before,
.page-home .feature-card:focus-visible::before {
  transform: scaleY(1);
}
.page-home .feature-card:hover,
.page-home .feature-card:focus-visible {
  background: rgba(255,255,255,0.08);
  border-color: var(--page-accent);
  transform: translateY(-4px);
  box-shadow: var(--page-card-shadow);
  outline: none;
}
.page-home .feature-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin-bottom: 1.25rem;
  background: rgba(255,59,48,0.1);
  border-radius: 50%;
  transition: box-shadow var(--page-transition);
}
.page-home .feature-card:hover .feature-icon-wrap {
  box-shadow: 0 0 20px rgba(255,59,48,0.3);
}
.page-home .feature-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}
.page-home .feature-title {
  font-family: var(--page-font-heading);
  font-size: 1.375rem;
  font-weight: 900;
  color: var(--page-text-light);
  margin: 0 0 0.625rem;
  text-transform: uppercase;
}
.page-home .feature-desc {
  font-family: var(--page-font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.7);
  margin: 0 0 1.25rem;
}
.page-home .feature-link {
  font-family: var(--page-font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--page-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* ===== 新用户快速上手 ===== */
.page-home .guide {
  background: var(--page-bg-light);
  padding: 5rem 0;
}
.page-home .guide-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.page-home .guide-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: #ffffff;
  padding: 1.5rem;
  border-radius: 4px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.08);
  border-left: 4px solid var(--page-accent);
  position: relative;
}
.page-home .step-number {
  font-family: var(--page-font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--page-accent);
  line-height: 1;
  flex-shrink: 0;
  min-width: 2.5rem;
}
.page-home .step-content {
  flex: 1;
}
.page-home .step-title {
  font-family: var(--page-font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--page-text-dark);
  margin: 0 0 0.375rem;
  text-transform: uppercase;
}
.page-home .step-desc {
  font-family: var(--page-font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--page-text-dark);
  margin: 0;
}
.page-home .step-arrow {
  display: none;
  flex-shrink: 0;
  align-self: center;
}
.page-home .guide-visual {
  margin-bottom: 2rem;
  text-align: center;
}
.page-home .guide-img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: var(--page-card-shadow);
  display: block;
  margin: 0 auto;
}
.page-home .guide-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.page-home .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-family: var(--page-font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--page-transition);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.page-home .btn-primary {
  background: var(--page-accent);
  color: #ffffff;
  border-color: var(--page-accent);
}
.page-home .btn-primary:hover,
.page-home .btn-primary:focus-visible {
  background: transparent;
  color: var(--page-accent);
  box-shadow: 0 0 16px rgba(255,59,48,0.3);
  outline: none;
}
.page-home .btn-secondary {
  background: transparent;
  color: var(--page-text-dark);
  border-color: var(--page-text-dark);
}
.page-home .btn-secondary:hover,
.page-home .btn-secondary:focus-visible {
  background: var(--page-text-dark);
  color: var(--page-bg-light);
  outline: none;
}

/* ===== 数据动态看板 ===== */
.page-home .dashboard {
  background: var(--page-bg-dark);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.page-home .dashboard-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-home .dashboard-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-home .dashboard-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,31,61,0.92) 0%, rgba(10,31,61,0.7) 100%);
  z-index: 1;
}
.page-home .dashboard .section-container {
  position: relative;
  z-index: 2;
}
.page-home .dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}
.page-home .dashboard-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 1.5rem 1.25rem;
  text-align: center;
  backdrop-filter: blur(4px);
  transition: all var(--page-transition);
}
.page-home .dashboard-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--page-accent);
  transform: translateY(-2px);
}
.page-home .dashboard-card-label {
  font-family: var(--page-font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.page-home .dashboard-card-value {
  font-family: var(--page-font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--page-text-light);
  line-height: 1.1;
  margin-bottom: 0.375rem;
}
.page-home .dashboard-card-value[data-count="frequency"] {
  font-size: 1.75rem;
  color: var(--page-tech);
}
.page-home .dashboard-card-trend {
  font-family: var(--page-font-body);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.55);
}
.page-home .trend-up {
  color: var(--page-accent);
  font-weight: 700;
}
.page-home .trend-live {
  display: inline-block;
  background: var(--page-accent);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 2px;
  letter-spacing: 0.05em;
  animation: pulseLive 2s ease-in-out infinite;
}
@keyframes pulseLive {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.page-home .dashboard-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.page-home .tag {
  display: inline-block;
  background: var(--page-gold);
  color: var(--page-text-dark);
  font-family: var(--page-font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.7rem;
  border-radius: 2px;
}
.page-home .note-text {
  font-family: var(--page-font-body);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.55);
}

/* ===== 品牌信任声明 ===== */
.page-home .trust {
  background: var(--page-bg-light);
  padding: 3rem 0;
}
.page-home .trust-content {
  text-align: center;
}
.page-home .trust-text {
  font-family: var(--page-font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--page-text-dark);
  max-width: 720px;
  margin: 0 auto 1.25rem;
}
.page-home .trust-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 1rem;
}
.page-home .trust-link {
  font-family: var(--page-font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--page-accent);
  text-decoration: none;
  transition: color var(--page-transition);
}
.page-home .trust-link:hover,
.page-home .trust-link:focus-visible {
  color: var(--page-bg-dark);
  text-decoration: underline;
  outline: none;
}
.page-home .trust-sep {
  color: rgba(51,51,51,0.3);
  font-size: 0.875rem;
}

/* ===== 滚动显现动画 ===== */
@media (prefers-reduced-motion: no-preference) {
  .page-home [data-reveal="fade-in"] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
  .page-home [data-reveal="fade-in"].visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 响应式 ===== */
/* 移动端优先——以上为窄屏样式 */

@media (min-width: 640px) {
  .page-home .hero-title { font-size: 4rem; }
  .page-home .hero-subtitle { font-size: 1.25rem; }
  .page-home .hero-index { gap: 1.5rem 3rem; }
  .page-home .features-grid { grid-template-columns: repeat(2, 1fr); }
  .page-home .dashboard-grid { grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
  .page-home .dashboard-card-value { font-size: 3rem; }
  .page-home .guide-step { flex-direction: row; align-items: center; }
  .page-home .step-arrow { display: block; }
}

@media (min-width: 1024px) {
  .page-home .hero-cover { min-height: 85vh; }
  .page-home .hero-title { font-size: 5rem; }
  .page-home .hero-content { padding: 3rem 4rem; }
  .page-home .features-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
  .page-home .section { padding: 6rem 0; }
  .page-home .guide-steps { flex-direction: row; gap: 2rem; }
  .page-home .guide-step { flex-direction: column; align-items: flex-start; flex: 1; }
  .page-home .step-arrow { display: none; }
  .page-home .dashboard-grid { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
  .page-home .dashboard-card { padding: 2rem 1.5rem; }
  .page-home .dashboard-card-value { font-size: 3.5rem; }
}

/* 确保所有图片响应式 */
.page-home img {
  max-width: 100%;
  height: auto;
}

/* 焦点样式一致性 */
.page-home a:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--page-accent);
  outline-offset: 2px;
}