/* ====================================================================
   仙路湾加速 - 全站现代唯美动漫视觉与动效样式表
   主题：幻境之森 · 灵光萤火与翡翠羽蝶 (Anime Enchanted Spirit & Firefly Glow)
   遵循设计规范：原生系统字体栈 / 动漫高表现力 / 零依赖 / 极致轻量流畅
   ==================================================================== */

:root {
  --color-bg: #f8fafc;
  --color-surface: rgba(255, 255, 255, 0.92);
  --color-surface-solid: #ffffff;
  --color-surface-soft: #f1f5f9;
  --color-text-main: #0f172a;
  --color-text-body: #334155;
  --color-text-muted: #64748b;
  --color-brand: #0f766e;
  --color-brand-hover: #115e59;
  --color-brand-subtle: #f0fdfa;
  --color-brand-border: #99f6e4;
  --color-accent: #0284c7;
  --color-accent-light: #38bdf8;
  --color-aurora-purple: #6366f1;
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;
  --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 6px 18px -3px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 36px -8px rgba(15, 118, 110, 0.12);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1160px;
}

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

html {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-body);
  background-color: var(--color-bg);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

/* 幻境萤火虫 Canvas 背景 */
.anime-bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.9;
}

/* 顶部柔和极光光晕背景层 */
.ambient-aurora-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1400px;
  height: 600px;
  background: radial-gradient(ellipse 800px 380px at 50% -10%, rgba(15, 118, 110, 0.12), rgba(56, 189, 248, 0.06), transparent 75%);
  pointer-events: none;
  z-index: 1;
}

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

a:hover {
  color: var(--color-brand-hover);
}

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

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

button, input, select, textarea {
  font: inherit;
}

/* 布局容器 */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
  z-index: 2;
}

/* 顶部导航 Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  transition: var(--transition);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
  background-color: rgba(255, 255, 255, 0.96);
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  text-decoration: none;
  min-height: 44px;
}

.brand-logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 6px rgba(15, 118, 110, 0.25));
  transition: transform 0.3s ease;
}

.brand-link:hover .brand-logo-icon {
  transform: rotate(6deg) scale(1.05);
}

.brand-title {
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #0f766e 0%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-body);
  padding: 10px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  position: relative;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
  border-radius: 2px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  background: linear-gradient(135deg, #0f766e 0%, #0284c7 100%);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
  box-shadow: 0 2px 8px rgba(15, 118, 110, 0.25);
  position: relative;
  overflow: hidden;
}

.nav-cta:hover {
  background: linear-gradient(135deg, #115e59 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.35);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  min-height: 44px;
  min-width: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  cursor: pointer;
}

/* 按钮规范 (带耀光与涟漪特效) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, #0f766e 0%, #0284c7 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.28);
}

/* 耀光扫过特效 (Shimmer Sweep) */
.btn-primary::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.32), transparent);
  transform: rotate(25deg);
  pointer-events: none;
  animation: shimmerSweep 4.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes shimmerSweep {
  0% { left: -60%; }
  30%, 100% { left: 140%; }
}

.btn-primary:hover {
  background: linear-gradient(135deg, #115e59 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.38);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--color-brand);
  background-color: var(--color-brand-subtle);
  color: var(--color-brand);
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 44px;
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  min-height: 50px;
  padding: 12px 32px;
  font-size: 1.05rem;
}

/* 按钮点击涟漪波纹 (Ripple Wave) */
.ripple-wave {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to {
    transform: scale(3.5);
    opacity: 0;
  }
}

/* 英雄区 Hero Section */
.hero-section {
  padding: 68px 0 60px;
  position: relative;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background-color: rgba(240, 253, 250, 0.9);
  border: 1px solid var(--color-brand-border);
  color: var(--color-brand);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(15, 118, 110, 0.08);
  backdrop-filter: blur(8px);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #10b981;
  animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-size: 2.6rem;
  line-height: 1.25;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 30px;
}

.hero-action-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.hero-guarantee-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ====================================================================
   动漫主视觉与灵使终端面板 (Anime Maiden & Terminal HUD)
   ==================================================================== */

.hero-anime-panel {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 16px 40px -10px rgba(15, 118, 110, 0.15), 0 0 0 1px rgba(15, 118, 110, 0.08);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-anime-panel:hover {
  box-shadow: 0 20px 48px -10px rgba(15, 118, 110, 0.22), 0 0 0 1px rgba(15, 118, 110, 0.16);
}

/* 动漫灵使立绘区 */
.maiden-visual-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 18px;
  position: relative;
}

.maiden-avatar-box {
  width: 110px;
  height: 110px;
  position: relative;
  flex-shrink: 0;
}

/* 灵光光环旋转动画 */
.anime-halo-ring {
  position: absolute;
  top: -6px;
  left: -6px;
  width: 122px;
  height: 122px;
  border-radius: 50%;
  border: 1.5px dashed rgba(15, 118, 110, 0.4);
  animation: animeHaloSpin 24s linear infinite;
  pointer-events: none;
}

@keyframes animeHaloSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 灵光羽蝶 (Spirit Butterfly) */
.spirit-butterfly {
  position: absolute;
  top: 4px;
  right: -8px;
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.7));
  animation: butterflyHover 3.5s ease-in-out infinite;
  transform-origin: center;
}

@keyframes butterflyHover {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50% { transform: translateY(-7px) rotate(4deg); }
}

.butterfly-wing-left {
  transform-origin: right center;
  animation: wingFlapLeft 0.5s ease-in-out infinite alternate;
}

.butterfly-wing-right {
  transform-origin: left center;
  animation: wingFlapRight 0.5s ease-in-out infinite alternate;
}

@keyframes wingFlapLeft {
  from { transform: scaleX(1); }
  to { transform: scaleX(0.25); }
}

@keyframes wingFlapRight {
  from { transform: scaleX(1); }
  to { transform: scaleX(0.25); }
}

/* 动漫灵使 SVG 立绘图层 */
.maiden-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 10px rgba(15, 23, 42, 0.12));
}

.anim-hair-flow {
  transform-origin: top center;
  animation: hairSway 4s ease-in-out infinite alternate;
}

@keyframes hairSway {
  0% { transform: rotate(-2deg); }
  100% { transform: rotate(3deg); }
}

.maiden-info-box {
  padding-left: 18px;
  flex-grow: 1;
}

.maiden-role-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-brand);
  background-color: var(--color-brand-subtle);
  border: 1px solid var(--color-brand-border);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.maiden-quote {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.45;
  margin-bottom: 4px;
}

.maiden-sub-status {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* 终端指标面板 */
.hud-metrics-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.hud-metric-card {
  background-color: rgba(241, 245, 249, 0.85);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
}

.hud-metric-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.hud-metric-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
}

.hud-metric-tag {
  font-size: 0.7rem;
  color: var(--color-brand);
  font-weight: 600;
}

/* 线路实时节点列表 */
.hud-node-stream {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hud-node-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  transition: var(--transition);
}

.hud-node-pill:hover {
  border-color: var(--color-brand-border);
  transform: translateX(3px);
  background-color: var(--color-brand-subtle);
}

.hud-node-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-text-main);
}

.hud-dot-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 6px #10b981;
}

.hud-node-latency {
  font-weight: 700;
  color: #059669;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* 区块通用结构 */
.section-block {
  padding: 72px 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-title {
  font-size: 2.1rem;
  line-height: 1.3;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--color-text-muted);
}

/* ====================================================================
   卡片 3D 透视、聚光灯与动态流光边框
   ==================================================================== */

.features-grid, .scenario-grid, .benefits-grid, .cross-access-grid {
  position: relative;
}

.feature-box, .scenario-card, .benefit-card, .access-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* 鼠标聚光灯跟随光斑 (Mouse Spotlight) */
.feature-box::before, .scenario-card::before, .benefit-card::before, .access-card::before, .pricing-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(360px circle at var(--mouse-x, -500px) var(--mouse-y, -500px), rgba(15, 118, 110, 0.08), transparent 75%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: inherit;
}

.feature-box:hover::before, .scenario-card:hover::before, .benefit-card:hover::before, .access-card:hover::before, .pricing-card:hover::before {
  opacity: 1;
}

.feature-box:hover, .scenario-card:hover, .benefit-card:hover, .access-card:hover {
  border-color: rgba(15, 118, 110, 0.35);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.feature-icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-brand-subtle) 0%, rgba(56, 189, 248, 0.12) 100%);
  color: var(--color-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 2px 8px rgba(15, 118, 110, 0.1);
  transition: transform 0.3s ease;
}

.feature-box:hover .feature-icon-wrap {
  transform: scale(1.1) rotate(4deg);
}

.feature-heading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
}

.feature-text {
  font-size: 0.92rem;
  color: var(--color-text-body);
  line-height: 1.6;
}

/* 流媒体与 AI 支持 */
.cross-access-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.access-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 12px;
}

.access-summary {
  font-size: 0.95rem;
  color: var(--color-text-body);
  margin-bottom: 22px;
}

.tag-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  padding: 5px 14px;
  background-color: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-body);
  transition: var(--transition);
}

.tag-item:hover {
  border-color: var(--color-brand-border);
  background-color: var(--color-brand-subtle);
  color: var(--color-brand);
  transform: translateY(-2px);
}

/* 使用场景卡 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.scenario-card {
  display: flex;
  flex-direction: column;
}

.scenario-header {
  margin-bottom: 14px;
}

.scenario-name {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.scenario-devices {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-brand);
  background-color: var(--color-brand-subtle);
  padding: 3px 9px;
  border-radius: 4px;
  border: 1px solid var(--color-brand-border);
}

.scenario-desc {
  font-size: 0.92rem;
  color: var(--color-text-body);
  line-height: 1.6;
}

/* 核心优势 */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
}

.benefit-text {
  font-size: 0.92rem;
  color: var(--color-text-body);
  line-height: 1.6;
}

/* ====================================================================
   套餐计费周期切换器与定价卡 (Billing Cycle Switcher & Pricing)
   ==================================================================== */

.billing-switch-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 36px;
  gap: 12px;
}

.billing-pill-container {
  display: inline-flex;
  align-items: center;
  background-color: #f1f5f9;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

.billing-pill-btn {
  background: none;
  border: none;
  padding: 8px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
  min-height: 38px;
}

.billing-pill-btn.active {
  background-color: #ffffff;
  color: var(--color-brand);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.billing-discount-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: #dc2626;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  padding: 2px 8px;
  border-radius: 999px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* 热门推荐套餐动态流光边框 */
.pricing-card.is-popular {
  border-color: transparent;
  box-shadow: 0 12px 32px -4px rgba(15, 118, 110, 0.18);
  background-color: #ffffff;
}

.pricing-card.is-popular::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, #0f766e, #38bdf8, #6366f1, #0f766e);
  background-size: 300% 300%;
  border-radius: calc(var(--radius-md) + 2px);
  z-index: -1;
  animation: borderFlow 6s ease infinite;
}

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

.popular-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #0f766e 0%, #0284c7 100%);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.3);
}

.plan-tier-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.plan-target-audience {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.plan-currency {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.plan-amount {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.03em;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.plan-amount.is-animating {
  transform: scale(1.15);
  color: var(--color-brand);
}

.plan-cycle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.plan-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-feature-line {
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-body);
}

.check-icon {
  width: 17px;
  height: 17px;
  color: var(--color-brand);
  flex-shrink: 0;
}

.plan-btn {
  width: 100%;
}

/* FAQ 常见问题 (手风琴) */
.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.faq-card.active {
  border-color: rgba(15, 118, 110, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-trigger {
  width: 100%;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-main);
  transition: color 0.2s ease;
}

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

.faq-arrow {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.faq-card.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--color-brand);
}

.faq-content {
  display: none;
  padding: 0 22px 20px 22px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-body);
}

.faq-card.active .faq-content {
  display: block;
}

/* 倒数第二：Final CTA 区域 */
.final-cta-section {
  padding: 76px 0;
  background: linear-gradient(180deg, var(--color-surface) 0%, rgba(240, 253, 250, 0.8) 100%);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.final-cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.final-cta-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

/* 页脚 Footer */
.site-footer {
  background-color: #ffffff;
  padding: 48px 0 32px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

.footer-nav-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.footer-nav-bar a {
  color: var(--color-text-muted);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-nav-bar a:hover {
  color: var(--color-brand);
}

.footer-compliance-row {
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
}

.footer-disclosure {
  font-size: 0.82rem;
  color: #64748b;
  line-height: 1.5;
}

.footer-copyright {
  font-size: 0.8rem;
  color: #94a3b8;
}

/* 移动端吸底 CTA 栏 */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 10px 16px;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 16px rgba(15, 23, 42, 0.08);
  z-index: 99;
}

.mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.mobile-sticky-info {
  display: flex;
  flex-direction: column;
}

.mobile-sticky-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.mobile-sticky-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* 文章正文与信息页面样式 */
.page-header-wrap {
  background-color: #ffffff;
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.page-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.page-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb-nav {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.breadcrumb-nav a {
  color: var(--color-text-muted);
  padding: 4px 0;
}

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

.breadcrumb-sep {
  margin: 0 6px;
  color: #cbd5e1;
}

.article-content-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
  margin-bottom: 64px;
}

.article-body {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  backdrop-filter: blur(8px);
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.article-body h2:first-of-type {
  margin-top: 0;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 18px;
  line-height: 1.8;
  font-size: 1rem;
}

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

.article-body li {
  margin-bottom: 6px;
}

.article-lead {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--color-text-main);
  background-color: var(--color-brand-subtle);
  border-left: 4px solid var(--color-brand);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 28px;
}

.article-table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th, .data-table td {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.data-table th {
  background-color: var(--color-surface-soft);
  font-weight: 600;
  color: var(--color-text-main);
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(240, 253, 250, 0.9) 0%, rgba(224, 242, 254, 0.7) 100%);
  border: 1px solid var(--color-brand-border);
  border-radius: var(--radius-sm);
  padding: 26px;
  margin: 32px 0;
  text-align: center;
}

.article-cta-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.article-cta-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.internal-links-box {
  background-color: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin: 32px 0 16px;
}

.internal-links-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
}

.internal-links-list {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* 侧边栏 Widget */
.sidebar-widget {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.widget-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.widget-post-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

.legal-content-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  max-width: 860px;
  margin: 0 auto 64px;
}

.legal-content-box h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 28px 0 12px;
}

.legal-content-box p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--color-text-body);
}

.legal-content-box ul {
  margin-bottom: 20px;
  padding-left: 24px;
  line-height: 1.8;
}

/* 指南卡片列表 Grid */
.guide-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.guide-post-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.guide-post-card:hover {
  border-color: rgba(15, 118, 110, 0.4);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.guide-post-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.guide-post-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
  line-height: 1.4;
}

.guide-post-excerpt {
  font-size: 0.88rem;
  color: var(--color-text-body);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

/* 滚动错峰渐入动画 (Scroll Staggered Reveal) */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 减弱动效偏好 (Accessibility) */
@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;
  }
  .anime-bg-canvas {
    display: none;
  }
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* 响应式断点 */
@media (max-width: 1024px) {
  .features-grid, .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .guide-list-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 60px;
  }
  .mobile-toggle {
    display: block;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    box-shadow: var(--shadow-md);
  }
  .main-nav.is-open {
    display: flex;
  }
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-title {
    font-size: 2rem;
  }
  .features-grid, .scenario-grid, .benefits-grid, .cross-access-grid, .guide-list-grid {
    grid-template-columns: 1fr;
  }
  .article-content-layout {
    grid-template-columns: 1fr;
  }
  .article-body {
    padding: 24px;
  }
  .mobile-sticky-cta {
    display: block;
  }
  body {
    padding-bottom: 64px;
  }
}