/* 红杏出墙机场 - 动漫星空科技风全局样式表 (鲜明色系 / 呼吸灯 / 动态粒子) */
:root {
  --bg-deep: #070b14;
  --bg-surface: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.82);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --bg-glass: rgba(15, 23, 42, 0.65);
  
  --border-subtle: rgba(148, 163, 184, 0.15);
  --border-neon: rgba(56, 189, 248, 0.35);
  --border-glow: rgba(236, 72, 153, 0.4);
  
  --neon-cyan: #38bdf8;
  --neon-pink: #ec4899;
  --neon-purple: #818cf8;
  --neon-amber: #fbbf24;
  --neon-emerald: #34d399;
  
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-glow-cyan: 0 0 20px rgba(56, 189, 248, 0.35);
  --shadow-glow-pink: 0 0 24px rgba(236, 72, 153, 0.45);
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --max-width: 1120px;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-deep);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-deep);
  color: var(--text-main);
  position: relative;
  overflow-x: hidden;
}

/* 全屏动漫流星樱花背景 Canvas */
#anime-sky-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

/* 页面内容在 Canvas 之上 */
.site-header, .main-content, .site-footer, .sticky-cta-bar, .fx-control-panel {
  position: relative;
  z-index: 10;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover {
  color: #7dd3fc;
  text-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
  text-decoration: none;
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* 呼吸灯动画定义 */
@keyframes breathingGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.25), inset 0 0 15px rgba(56, 189, 248, 0.05);
    border-color: rgba(56, 189, 248, 0.35);
  }
  50% {
    box-shadow: 0 0 25px rgba(236, 72, 153, 0.4), inset 0 0 20px rgba(236, 72, 153, 0.1);
    border-color: rgba(236, 72, 153, 0.6);
  }
}

@keyframes btnPulse {
  0%, 100% {
    box-shadow: 0 0 18px rgba(236, 72, 153, 0.5), 0 0 35px rgba(56, 189, 248, 0.3);
  }
  50% {
    box-shadow: 0 0 28px rgba(236, 72, 153, 0.8), 0 0 50px rgba(129, 140, 248, 0.5);
  }
}

@keyframes radarPing {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(52, 211, 153, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(52, 211, 153, 0);
  }
}

@keyframes badgeShine {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 按钮规范 (鲜明渐变 + 呼吸光晕 + 微交互) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 46px;
  min-width: 44px;
  text-align: center;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none !important;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #0ea5e9 0%, #6366f1 50%, #ec4899 100%);
  background-size: 200% 200%;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
  animation: btnPulse 3s infinite ease-in-out, badgeShine 4s infinite linear;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 32px rgba(236, 72, 153, 0.9), 0 0 60px rgba(56, 189, 248, 0.6);
  color: #ffffff !important;
}

.btn-primary:active {
  transform: translateY(1px) scale(0.98);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main) !important;
  border: 1px solid var(--border-neon);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: rgba(30, 41, 59, 0.95);
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* 浮动特效控制器 (互动功能) */
.fx-control-panel {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 60;
}

.fx-btn {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-neon);
  color: var(--neon-cyan);
  font-size: 0.825rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.fx-btn:hover {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
  box-shadow: 0 0 12px rgba(236, 72, 153, 0.4);
}

/* 页眉 Header */
.site-header {
  background: rgba(7, 11, 20, 0.8);
  border-bottom: 1px solid var(--border-neon);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
  text-decoration: none !important;
}

.brand-icon {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.6));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.5rem 0.25rem;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--neon-cyan);
  text-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
  text-decoration: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-neon);
  padding: 0.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-main);
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
}

/* 主内容区与章节样式 */
.main-content {
  flex: 1;
}

.section-block {
  padding-top: 5rem;
  padding-bottom: 5rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.section-block:last-of-type {
  border-bottom: none;
}

.section-alt {
  background: radial-gradient(circle at 50% 30%, rgba(30, 27, 75, 0.4) 0%, rgba(7, 11, 20, 0.8) 100%);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 0.85rem;
  background: linear-gradient(135deg, #ffffff 30%, #38bdf8 80%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Hero 模块 */
.hero-section {
  padding-top: 6rem;
  padding-bottom: 6rem;
  background: radial-gradient(circle at 50% 20%, rgba(56, 189, 248, 0.12) 0%, rgba(236, 72, 153, 0.08) 45%, rgba(7, 11, 20, 0) 80%);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
  position: relative;
}

.hero-inner {
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-glow);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--neon-pink);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 16px rgba(236, 72, 153, 0.25);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--neon-pink);
  box-shadow: 0 0 8px var(--neon-pink);
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 40%, #38bdf8 70%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(56, 189, 248, 0.2);
}

.hero-description {
  font-size: 1.18rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
}

.meta-item svg {
  color: var(--neon-cyan);
  filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.6));
}

/* 特性网格 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
  opacity: 0.6;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-pink);
  box-shadow: var(--shadow-glow-pink);
}

.feature-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  background: rgba(236, 72, 153, 0.15);
  border-color: var(--neon-pink);
  color: var(--neon-pink);
  box-shadow: 0 0 18px rgba(236, 72, 153, 0.4);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.65rem;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 两栏图文模块 (流媒体与AI) */
.media-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.media-text-col .tag-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--neon-cyan);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
}

.media-text-col h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  color: #ffffff;
}

.media-text-col p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  font-size: 1.02rem;
}

.media-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  list-style: none;
  margin-top: 1.25rem;
}

.media-pill-item {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-full);
  color: #ffffff;
  transition: all 0.2s ease;
}

.media-pill-item:hover {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
  box-shadow: 0 0 10px rgba(236, 72, 153, 0.3);
}

.media-display-card {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #a7f3d0;
  background: rgba(6, 78, 59, 0.5);
  border: 1px solid rgba(52, 211, 153, 0.4);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--neon-emerald);
  animation: radarPing 2s infinite cubic-bezier(0, 0, 0.2, 1);
}

.status-list {
  list-style: none;
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.95rem;
}

.status-row:last-child {
  border-bottom: none;
}

.status-val {
  font-weight: 600;
  color: var(--neon-cyan);
  text-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

/* 动漫物理专线拓扑互动探测画布 (可互动功能) */
.interactive-route-section {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 2rem;
  box-shadow: var(--shadow-card);
  animation: breathingGlow 5s infinite ease-in-out;
}

.interactive-route-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.route-badge {
  font-size: 0.85rem;
  color: var(--neon-cyan);
  background: rgba(56, 189, 248, 0.15);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.route-tip {
  font-size: 0.85rem;
  color: var(--text-dim);
}

#route-trace-canvas {
  width: 100%;
  height: 280px;
  background: radial-gradient(circle at 50% 50%, rgba(30, 27, 75, 0.6) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: block;
  cursor: grab;
}

/* 使用场景卡片 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.75rem;
}

.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.scenario-card:hover {
  transform: translateY(-4px);
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.scenario-header {
  margin-bottom: 1.25rem;
}

.scenario-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.scenario-device {
  font-size: 0.825rem;
  color: var(--neon-cyan);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  display: inline-block;
}

.scenario-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* 定价卡模块 (推荐档全图呼吸灯高亮) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--neon-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.pricing-card-featured {
  background: linear-gradient(180deg, rgba(30, 27, 75, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%);
  border-color: var(--neon-pink);
  animation: breathingGlow 4s infinite ease-in-out;
}

.pricing-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(90deg, #ec4899, #8b5cf6);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  box-shadow: 0 0 16px rgba(236, 72, 153, 0.7);
  letter-spacing: 0.05em;
}

.plan-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.plan-price {
  font-size: 2.6rem;
  font-weight: 900;
  color: #ffffff;
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
}

.plan-unit {
  font-size: 0.95rem;
  color: var(--text-dim);
}

.plan-summary {
  font-size: 0.925rem;
  color: var(--text-muted);
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.plan-features {
  list-style: none;
  margin-bottom: 2.25rem;
  flex: 1;
}

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.plan-feature-item svg {
  flex-shrink: 0;
  margin-top: 0.25rem;
  color: var(--neon-cyan);
  filter: drop-shadow(0 0 4px var(--neon-cyan));
}

/* FAQ 手风琴 */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.4rem 1.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: all 0.2s ease;
}

.faq-question-btn:hover {
  background: rgba(56, 189, 248, 0.08);
  color: var(--neon-cyan);
}

.faq-icon {
  transition: transform 0.25s ease;
  flex-shrink: 0;
  color: var(--neon-cyan);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--neon-pink);
}

.faq-answer {
  display: none;
  padding: 0 1.75rem 1.5rem 1.75rem;
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Final CTA 模块 */
.final-cta-section {
  padding-top: 6rem;
  padding-bottom: 6rem;
  background: radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.15) 0%, rgba(56, 189, 248, 0.1) 40%, rgba(7, 11, 20, 0) 80%);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
  position: relative;
}

.final-cta-inner {
  max-width: 680px;
  margin: 0 auto;
}

.final-cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #ffffff 40%, #38bdf8 70%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.final-cta-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

/* 页脚 Footer */
.site-footer {
  background-color: #030712;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-dim);
  padding-top: 4rem;
  padding-bottom: 3.5rem;
  font-size: 0.925rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3rem;
}

.footer-brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.85rem;
  text-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

.footer-brand-desc {
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

.footer-affiliate-note {
  font-size: 0.825rem;
  color: var(--text-dim);
  line-height: 1.6;
  border-left: 2px solid var(--neon-cyan);
  padding-left: 0.75rem;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-link-item {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--neon-cyan);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
}

/* 移动端吸底 CTA 悬浮胶囊 */
.sticky-cta-bar {
  display: none;
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-full);
  padding: 0.65rem 1.25rem;
  z-index: 50;
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.35);
  justify-content: space-between;
  align-items: center;
}

.sticky-cta-text {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
}

.sticky-cta-sub {
  font-size: 0.78rem;
  color: var(--neon-cyan);
}

/* 文章页及合规页通用样式 */
.article-header {
  padding-top: 4rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 50% 20%, rgba(30, 27, 75, 0.4) 0%, rgba(7, 11, 20, 0.8) 100%);
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.article-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 40%, #38bdf8 80%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--neon-cyan);
}

.article-body-wrap {
  padding-top: 3.5rem;
  padding-bottom: 5rem;
}

.article-body {
  max-width: 820px;
  margin: 0 auto;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #e2e8f0;
  margin-bottom: 1.6rem;
}

.article-body h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffffff;
  margin-top: 2.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.article-body h2::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
}

.article-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-top: 2rem;
  margin-bottom: 0.85rem;
}

.article-body ul, .article-body ol {
  margin-bottom: 1.6rem;
  padding-left: 1.6rem;
}

.article-body li {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cbd5e1;
  margin-bottom: 0.6rem;
}

.article-callout {
  background: rgba(15, 23, 42, 0.85);
  border-left: 4px solid var(--neon-cyan);
  border-top: 1px solid var(--border-neon);
  border-right: 1px solid var(--border-neon);
  border-bottom: 1px solid var(--border-neon);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem;
  margin: 2.25rem 0;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.15);
}

.article-callout-title {
  font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.article-cta-box {
  background: radial-gradient(circle at 50% 50%, rgba(30, 27, 75, 0.8) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2rem;
  text-align: center;
  margin: 3.5rem 0;
  box-shadow: var(--shadow-glow-pink);
}

.article-cta-box h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.article-cta-box p {
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.article-rel-links {
  margin-top: 3.5rem;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-md);
}

.article-rel-links h4 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

.article-rel-links ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.article-rel-links li {
  margin-bottom: 0.65rem;
}

/* 指南列表页网格 */
.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.guide-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.guide-item-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-pink);
  box-shadow: var(--shadow-glow-pink);
}

.guide-item-card h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  line-height: 1.4;
}

.guide-item-card h2 a {
  color: #ffffff;
}

.guide-item-card h2 a:hover {
  color: var(--neon-cyan);
}

.guide-item-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.5rem;
}

.guide-item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--neon-cyan);
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

/* 网站地图样式 */
.sitemap-group {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-bottom: 2.25rem;
  box-shadow: var(--shadow-card);
}

.sitemap-group h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
}

.sitemap-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.sitemap-list a {
  font-weight: 600;
  color: var(--neon-cyan);
}

/* 响应式断点 */
@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(7, 11, 20, 0.96);
    border-bottom: 1px solid var(--border-neon);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow-card);
  }

  .site-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1.05rem;
  }

  .section-block {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .media-split-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .sticky-cta-bar.visible {
    display: flex;
  }

  body {
    padding-bottom: 76px;
  }
  
  .fx-control-panel {
    top: auto;
    bottom: 84px;
    right: 16px;
  }
}