/* ===================================================================
   榴莲云 (Durian Cloud) 推广落地页 - 原生专属设计系统样式表
   视觉基调:
     - 极夜深黑背景: #060910
     - 极光深蓝卡片: #0F1626
     - 琥珀金与暖橙重点: #F59E0B, #D97706, #FBBF24
     - 翡翠生机绿辅助: #10B981, #059669
   规范遵循:
     - 零外部CDN依赖，离线可用
     - 桌面端套餐区严格两列，移动端单列
     - 真实Logo白底容器承接
     - 支持 prefers-reduced-motion
   =================================================================== */

:root {
  --bg-color: #060910;
  --bg-surface: #0a0f1d;
  --card-bg: #0F1626;
  --card-bg-elevated: #151e33;
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(245, 158, 11, 0.35);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --brand-gold: #F59E0B;
  --brand-amber: #D97706;
  --brand-glow: #FBBF24;
  --brand-orange: #EA580C;
  --brand-emerald: #10B981;
  --brand-emerald-dark: #059669;
  --brand-emerald-light: #34D399;
  
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 12px 30px -8px rgba(245, 158, 11, 0.25);
  --shadow-emerald: 0 10px 25px -6px rgba(16, 185, 129, 0.2);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 顶部与全局微光背景 - 增加柔和光晕层与渐隐网格，改善空旷感 */
.bg-ambient-layer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 960px;
  background-image: 
    radial-gradient(circle 650px at 78% 220px, rgba(245, 158, 11, 0.16), transparent 70%),
    radial-gradient(circle 500px at 85% 160px, rgba(16, 185, 129, 0.10), transparent 65%),
    radial-gradient(circle 750px at 45% -100px, rgba(245, 158, 11, 0.12), transparent 70%),
    radial-gradient(circle 550px at 15% 380px, rgba(56, 189, 248, 0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.bg-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.016) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 30%, #000 25%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 30%, #000 25%, transparent 85%);
  pointer-events: none;
  z-index: 0;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-gold);
}

/* 容器尺寸规范 */
.container {
  width: 100%;
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: 880px;
}

/* 文本样式与排印 */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.text-gold-gradient {
  background: linear-gradient(135deg, #ffffff 15%, #fde68a 55%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-emerald {
  color: var(--brand-emerald-light);
}

.text-gold {
  color: var(--brand-gold);
}

.text-secondary {
  color: var(--text-secondary);
}

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

.font-mono {
  font-family: var(--font-mono);
}

/* 徽章 Badge */
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(15, 22, 38, 0.85);
  border: 1px solid rgba(245, 158, 11, 0.3);
  font-size: 0.78rem;
  color: var(--brand-glow);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.pill-badge-emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--brand-emerald-light);
}

.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background-color: var(--brand-gold);
  box-shadow: 0 0 8px var(--brand-gold);
}

.pill-dot-emerald {
  background-color: var(--brand-emerald);
  box-shadow: 0 0 8px var(--brand-emerald);
}

/* 按钮系统 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  color: #090d16;
  font-weight: 700;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 16px 36px -6px rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* 卡片系统 */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--card-border-hover);
  box-shadow: 0 16px 32px -10px rgba(0, 0, 0, 0.6), 0 0 20px 0 rgba(245, 158, 11, 0.08);
}

/* Logo专用承接容器 - 满足“白底素材使用合适容器承接，不当作透明图片，不裁掉品牌文字” */
.brand-logo-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  border-radius: 12px;
  padding: 3px;
  width: 44px;
  height: 44px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  overflow: hidden;
}

.brand-logo-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-logo-container.lg {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  padding: 4px;
}

/* 顶部导航 Header */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 100;
  margin-bottom: 24px;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 22, 38, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 10px 20px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.brand-tag {
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.16);
  color: var(--brand-glow);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 4px;
  padding: 1px 5px;
  letter-spacing: 0.05em;
}

.brand-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 6px 0;
  position: relative;
}

.nav-link:hover {
  color: var(--brand-glow);
}

.nav-link.active {
  color: #ffffff;
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-gold), var(--brand-glow));
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
}

.mobile-drawer-link.active {
  background: rgba(245, 158, 11, 0.15);
  color: var(--brand-glow);
  font-weight: 700;
  border-left: 3px solid var(--brand-gold);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  font-size: 1.25rem;
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }
  .nav-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .site-header .container {
    padding-left: 12px;
    padding-right: 12px;
  }
  .nav-bar {
    padding: 6px 10px;
    gap: 6px;
  }
  .brand-logo-container {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    padding: 2px;
  }
  .brand-group {
    gap: 6px;
    flex-shrink: 1;
    min-width: 0;
  }
  .brand-name {
    font-size: 0.9rem;
  }
  .brand-tag {
    display: none;
  }
  .brand-sub {
    display: none;
  }
  .nav-actions {
    gap: 4px;
    flex-shrink: 0;
  }
  .nav-actions .btn-sm {
    padding: 4px 8px;
    font-size: 0.7rem;
  }
  .nav-actions .btn-sm svg {
    display: none;
  }
  .nav-toggle-btn {
    padding: 2px;
  }
}

/* 移动端抽屉菜单 */
.mobile-drawer {
  display: none;
  background: rgba(15, 22, 38, 0.96);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  margin-top: 8px;
  padding: 16px;
  box-shadow: var(--shadow-md);
  flex-direction: column;
  gap: 12px;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: block;
}

.mobile-drawer-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--brand-glow);
}

/* ==================== 首屏 HERO ==================== */
.hero-section {
  padding: 48px 0 64px 0;
  text-align: center;
}

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

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 16px 0 16px 0;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 660px;
  margin: 0 auto 28px auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

/* ==================== 精简首页专属紧凑布局 ==================== */
.hero-split-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  padding: 28px 0 24px 0;
}

@media (min-width: 860px) {
  .hero-split-layout {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    padding: 36px 0 32px 0;
  }
}

.hero-text-side {
  text-align: left;
}

.hero-visual-side {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-visual-backdrop {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 440px;
  height: 440px;
  pointer-events: none;
  z-index: 1;
}

@media (max-width: 768px) {
  .hero-visual-backdrop {
    display: none;
  }
}

.hero-visual-card {
  position: relative;
  background: radial-gradient(circle at 50% 40%, rgba(245, 158, 11, 0.16) 0%, rgba(15, 22, 38, 0.95) 75%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-xl);
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.6), 0 0 35px rgba(245, 158, 11, 0.14);
  width: 100%;
  max-width: 340px;
  z-index: 2;
}

/* ==================== 企业级专线实时监控 & 解锁看板 ==================== */
.telemetry-dashboard-card {
  position: relative;
  background: rgba(15, 22, 38, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-xl);
  padding: 22px;
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.75), 0 0 35px rgba(245, 158, 11, 0.12);
  width: 100%;
  max-width: 440px;
  z-index: 2;
  text-align: left;
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 12px;
  margin-bottom: 14px;
}

.telemetry-status-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pulse-dot-container {
  position: relative;
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}

.pulse-dot-ping {
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background-color: #10B981;
  opacity: 0.75;
  animation: pingAnimation 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.pulse-dot-core {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  background-color: #10B981;
}

@keyframes pingAnimation {
  75%, 100% {
    transform: scale(2.2);
    opacity: 0;
  }
}

.telemetry-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
}

.telemetry-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.telemetry-badge {
  font-size: 0.65rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: rgba(16, 185, 129, 0.12);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

/* 节点监控列表 */
.telemetry-nodes-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.telemetry-node-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.telemetry-node-row:hover {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(245, 158, 11, 0.3);
}

.telemetry-node-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.telemetry-node-icon {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-glow);
  font-size: 0.75rem;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.telemetry-node-name {
  font-size: 0.78rem;
  font-weight: 700;
  color: #ffffff;
}

.telemetry-node-state-tag {
  font-size: 0.65rem;
  color: #34d399;
  background: rgba(16, 185, 129, 0.1);
  padding: 1px 6px;
  border-radius: 4px;
  display: inline-block;
  margin-top: 2px;
}

.telemetry-node-state-tag.amber {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.1);
}

.telemetry-ping-box {
  text-align: right;
}

.telemetry-ping-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: #34d399;
}

.telemetry-ping-num.amber {
  color: #fbbf24;
}

.telemetry-ping-bar {
  width: 42px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-top: 3px;
  overflow: hidden;
}

.telemetry-ping-fill {
  height: 100%;
  background: #34d399;
  border-radius: 2px;
  transition: width 0.5s ease;
}

.telemetry-ping-fill.amber {
  background: #fbbf24;
}

/* 解锁能力矩阵 */
.unlock-matrix-section {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
}

.unlock-matrix-title {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.unlock-matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

@media (min-width: 440px) {
  .unlock-matrix-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.unlock-tag-pill {
  background: rgba(16, 185, 129, 0.07);
  border: 1px solid rgba(16, 185, 129, 0.22);
  border-radius: 6px;
  padding: 5px 6px;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #ffffff;
}

.unlock-check-icon {
  color: #34d399;
  font-size: 0.72rem;
  flex-shrink: 0;
}

/* ==================== 交互式邀请码小胶囊 ==================== */
.copy-capsule {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(245, 158, 11, 0.35);
  font-size: 0.78rem;
  color: var(--text-secondary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  flex-wrap: wrap;
}

.copy-capsule-code {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--brand-glow);
  background: rgba(245, 158, 11, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.copy-capsule-btn {
  background: rgba(245, 158, 11, 0.18);
  color: var(--brand-glow);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.copy-capsule-btn:hover {
  background: rgba(245, 158, 11, 0.3);
  color: #ffffff;
}

.copy-capsule-btn.copied {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}

/* ==================== 核心网络性能指标栏 (Metrics Bar) ==================== */
.metrics-bar-section {
  margin: 32px 0 28px 0;
}

.metrics-bar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 768px) {
  .metrics-bar-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

.metric-card {
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.metric-card:hover {
  background: rgba(255, 255, 255, 0.045);
  border-color: rgba(245, 158, 11, 0.35);
  transform: translateY(-2px);
}

.metric-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.metric-stat {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1;
}

.metric-stat.gold {
  color: var(--brand-glow);
}

.metric-stat.emerald {
  color: #34d399;
}

.metric-stat.sky {
  color: #38bdf8;
}

.metric-icon-box {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.metric-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.metric-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==================== 三大入口微光悬浮与全平台支持坞 ==================== */
.entry-card-glow-amber:hover {
  border-color: rgba(245, 158, 11, 0.6) !important;
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 25px rgba(245, 158, 11, 0.15) !important;
}

.entry-card-glow-blue:hover {
  border-color: rgba(56, 189, 248, 0.6) !important;
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 25px rgba(56, 189, 248, 0.15) !important;
}

.entry-card-glow-emerald:hover {
  border-color: rgba(16, 185, 129, 0.6) !important;
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 25px rgba(16, 185, 129, 0.15) !important;
}

/* 全平台支持坞 */
.platform-dock {
  margin-top: 18px;
  padding: 14px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.platform-dock-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.platform-dock-badge {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-glow);
  font-size: 1rem;
}

.platform-dock-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #ffffff;
}

.platform-dock-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.platform-items-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.platform-pill {
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.72rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.platform-pill:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(245, 158, 11, 0.3);
  color: #ffffff;
}

.hero-logo-large {
  background: #ffffff;
  border-radius: 20px;
  padding: 8px;
  width: 120px;
  height: 120px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.hero-logo-large img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.hero-visual-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.hero-visual-slogan {
  font-size: 0.82rem;
  color: var(--brand-glow);
  font-family: var(--font-mono);
  margin-top: 4px;
}

/* 三个简洁入口 */
.quick-entries-section {
  padding: 0 0 36px 0;
}

.quick-entries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .quick-entries-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.entry-card-simple {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
  text-decoration: none;
}

.entry-card-simple:hover {
  border-color: var(--card-border-hover);
  box-shadow: 0 12px 28px -6px rgba(0, 0, 0, 0.5), 0 0 20px rgba(245, 158, 11, 0.1);
  transform: translateY(-2px);
}

.entry-card-simple h2 {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.entry-card-simple p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.entry-link-arrow {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-glow);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.hero-meta-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==================== 优惠码专区 BANNER ==================== */
.coupon-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(15, 22, 38, 0.85) 60%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-xl);
  padding: 24px;
  margin-bottom: 48px;
  box-shadow: 0 10px 25px -5px rgba(245, 158, 11, 0.1);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 768px) {
  .coupon-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px;
  }
}

.coupon-info h3 {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.coupon-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.coupon-action-box {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.35);
  padding: 6px 6px 6px 14px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(245, 158, 11, 0.4);
}

.coupon-code {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-glow);
  letter-spacing: 0.05em;
}

/* ==================== 套餐区域布局规范 ==================== */
/* 核心硬性要求: 桌面端两列，手机端单列！ */
.pricing-section {
  padding: 32px 0 64px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 36px auto;
}

.section-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-gold);
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #ffffff;
}

.section-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 周期切换按钮栏 */
.cycle-switcher-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 36px;
}

.cycle-switcher {
  display: inline-flex;
  background: #090e1a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px;
  border-radius: var(--radius-lg);
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
}

.cycle-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cycle-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.cycle-btn.active {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #090d16;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

.cycle-btn-tag {
  font-size: 0.65rem;
  padding: 1px 4px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.cycle-btn.active .cycle-btn-tag {
  background: rgba(0, 0, 0, 0.2);
  color: #000000;
}

.cycle-btn:not(.active) .cycle-btn-tag {
  background: rgba(245, 158, 11, 0.15);
  color: var(--brand-glow);
}

/* 套餐网格: 手机单列，桌面两列 (必须完全符合提示要求) */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 套餐卡片 */
.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.7), 0 0 24px rgba(245, 158, 11, 0.1);
  transform: translateY(-2px);
}

.pricing-card.featured {
  border-color: rgba(245, 158, 11, 0.45);
  background: linear-gradient(180deg, rgba(21, 30, 51, 0.95) 0%, rgba(15, 22, 38, 0.95) 100%);
  box-shadow: 0 16px 36px -8px rgba(245, 158, 11, 0.12);
}

.card-top-tag {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.15);
  color: var(--brand-glow);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.card-header-block {
  margin-bottom: 20px;
}

.plan-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.plan-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-glow);
  font-size: 0.9rem;
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
}

.plan-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* 标签行 */
.plan-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.plan-chip {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--text-secondary);
}

.plan-chip.chip-gold {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.25);
  color: var(--brand-glow);
}

.plan-chip.chip-emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.25);
  color: var(--brand-emerald-light);
}

/* 价格展示栏 */
.plan-pricing-box {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin: 16px 0 20px 0;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.price-main-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.currency-symbol {
  font-size: 1.25rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--brand-gold);
}

.price-amount {
  font-size: 2.3rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #ffffff;
  letter-spacing: -0.03em;
}

.price-cycle-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.price-calc-note {
  font-size: 0.75rem;
  color: var(--brand-emerald-light);
  font-family: var(--font-mono);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 特性列表 */
.plan-features-list {
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan-feature-item {
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.45;
}

.plan-feature-item svg,
.plan-feature-item .check-icon {
  flex-shrink: 0;
  color: var(--brand-gold);
  margin-top: 2px;
}

.plan-feature-item strong {
  color: #ffffff;
}

/* 套餐卡片底部按钮与来源标注 */
.plan-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.plan-meta-footnote {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  font-family: var(--font-mono);
}

/* ==================== 最新重置包价格区 ==================== */
.reset-pack-section {
  padding: 48px 0;
}

.reset-pack-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.reset-table-wrapper {
  overflow-x: auto;
  margin: 24px 0 16px 0;
}

.reset-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.reset-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  padding: 12px 16px;
  font-weight: 600;
  font-family: var(--font-mono);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.reset-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
}

.reset-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: #ffffff;
}

.reset-price-tag {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--brand-glow);
}

.reset-notes-box {
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid var(--brand-gold);
  padding: 14px 18px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==================== 4步快速上手指南 ==================== */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}

@media (min-width: 640px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(245, 158, 11, 0.25);
  line-height: 1;
  margin-bottom: 12px;
}

.step-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==================== 常见问题 FAQ (手风琴) ==================== */
.faq-section {
  padding: 48px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.faq-question {
  width: 100%;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--brand-glow);
}

.faq-arrow {
  color: var(--text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  color: var(--brand-gold);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding: 0 22px;
  border-top: 1px solid transparent;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 22px 20px 22px;
  border-top-color: rgba(255, 255, 255, 0.04);
}

/* ==================== TELEGRAM 官方联系 ==================== */
.tg-cta-card {
  background: linear-gradient(135deg, rgba(14, 26, 45, 0.9) 0%, rgba(15, 22, 38, 0.95) 100%);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  margin: 48px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.tg-cta-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.tg-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-tg {
  background: #0284c7;
  color: #ffffff;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-tg:hover {
  background: #0369a1;
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-tg-sub {
  background: rgba(255, 255, 255, 0.05);
  color: #e0f2fe;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.btn-tg-sub:hover {
  background: rgba(56, 189, 248, 0.12);
  color: #ffffff;
  transform: translateY(-1px);
}

/* ==================== 页脚 FOOTER ==================== */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: #04060b;
  padding: 48px 0 32px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand-desc {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-top: 12px;
  max-width: 380px;
}

.footer-nav-col h4 {
  font-size: 0.85rem;
  color: #ffffff;
  margin-bottom: 14px;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--brand-glow);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  text-align: center;
  font-size: 0.75rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

/* ==================== 首页最新指南单行入口 ==================== */
.home-latest-guides {
  margin-top: 14px;
  padding: 10px 18px;
  background: rgba(15, 22, 38, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  backdrop-filter: blur(8px);
}

.home-latest-guides-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.home-latest-tag {
  background: rgba(245, 158, 11, 0.15);
  color: var(--brand-glow);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  white-space: nowrap;
}

.home-latest-list {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  list-style: none;
}

.home-latest-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.home-latest-list a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.home-latest-list a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.home-latest-all {
  white-space: nowrap;
  color: var(--brand-glow);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

@media (max-width: 820px) {
  .home-latest-guides {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
  }
  .home-latest-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .home-latest-all {
    margin-top: 4px;
  }
}

/* ==================== 知识指南与独立文章样式 ==================== */
.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 80px 20px;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: var(--text-secondary);
}

.breadcrumb-nav a:hover {
  color: var(--brand-glow);
}

.breadcrumb-separator {
  opacity: 0.4;
}

.article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--brand-glow);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.article-title {
  font-size: clamp(1.6rem, 3.2vw, 2.25rem);
  font-weight: 800;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-body {
  font-size: 0.96rem;
  line-height: 1.85;
  color: #cbd5e1;
}

.article-body h2 {
  font-size: 1.35rem;
  color: #ffffff;
  margin: 38px 0 16px 0;
  padding-left: 14px;
  border-left: 4px solid var(--brand-gold);
  line-height: 1.35;
}

.article-body h3 {
  font-size: 1.12rem;
  color: #f1f5f9;
  margin: 26px 0 12px 0;
  line-height: 1.4;
}

.article-body p {
  margin-bottom: 18px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
  line-height: 1.8;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body strong {
  color: #ffffff;
}

.article-body code {
  background: rgba(255, 255, 255, 0.08);
  color: var(--brand-glow);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.article-body pre {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 16px;
  overflow-x: auto;
  margin: 20px 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  color: #e2e8f0;
}

.article-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.article-table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 24px 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.article-table th {
  background: #101828;
  color: #ffffff;
  padding: 12px 14px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

.article-table td {
  padding: 12px 14px;
  background: rgba(15, 22, 38, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.article-table tr:last-child td {
  border-bottom: none;
}

.article-box-callout {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-left: 4px solid var(--brand-gold);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 22px 0;
  font-size: 0.9rem;
  color: #e2e8f0;
}

.article-box-callout p:last-child {
  margin-bottom: 0;
}

.article-box-info {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-left: 4px solid #38bdf8;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 22px 0;
  font-size: 0.9rem;
  color: #e2e8f0;
}

.article-box-info p:last-child {
  margin-bottom: 0;
}

/* 品牌推广专属区 (每篇正文最多一个明确推广区) */
.article-promo-box {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(15, 22, 38, 0.92) 75%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 36px 0 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.article-promo-content h3 {
  font-size: 1.15rem;
  color: #ffffff;
  margin: 0 0 6px 0;
}

.article-promo-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* 相关推荐文章卡片 */
.article-related-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.article-related-title {
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 18px;
}

.article-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 680px) {
  .article-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.article-related-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: all var(--transition-base);
  display: block;
}

.article-related-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-2px);
}

.article-related-card h4 {
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 6px;
  line-height: 1.4;
}

.article-related-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* 文章目录/列表页专区 */
.articles-index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
}

@media (min-width: 768px) {
  .articles-index-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.article-card-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-base);
  text-decoration: none;
}

.article-card-item:hover {
  border-color: var(--card-border-hover);
  box-shadow: 0 12px 28px -6px rgba(0, 0, 0, 0.5), 0 0 20px rgba(245, 158, 11, 0.1);
  transform: translateY(-2px);
}

.article-card-item h2 {
  font-size: 1.15rem;
  color: #ffffff;
  line-height: 1.4;
  margin-bottom: 10px;
}

.article-card-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==================== TOAST 提示组件 ==================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: rgba(15, 22, 38, 0.95);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  color: var(--brand-glow);
  font-size: 1rem;
}

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