/* ==========================================================================
   极客云 (GeekCloud) - 暗黑终端与 CLI 极客风专用原生样式表 (Style 02)
   Design System: Terminal Dark Mode · Cyber Monospace · Matrix Neon
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* 极客终端暗黑底色 */
  --bg-dark: #05070a;
  --bg-card: rgba(10, 14, 23, 0.82);
  --bg-card-hover: rgba(15, 22, 36, 0.95);
  --bg-terminal: #070a12;
  --bg-terminal-header: #0d121f;
  --bg-glass: rgba(8, 12, 20, 0.85);

  /* 边框与网格 */
  --border-light: rgba(255, 255, 255, 0.08);
  --border-terminal: rgba(0, 255, 102, 0.25);
  --border-highlight: rgba(0, 242, 254, 0.45);
  --border-dim: #1e2638;

  /* 极客终端霓虹核心色 */
  --primary-cyan: #00f2fe;
  --primary-blue: #38bdf8;
  --terminal-green: #00ff66;
  --terminal-green-dim: rgba(0, 255, 102, 0.12);
  --terminal-amber: #f59e0b;
  --terminal-red: #ef4444;
  --accent-purple: #a855f7;

  /* 文字颜色 */
  --text-main: #f3f4f6;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-code: #00ff66;

  /* 圆角与阴影 - 极客工程偏微圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* 极客微发光 */
  --glow-green: 0 0 25px rgba(0, 255, 102, 0.35);
  --glow-cyan: 0 0 30px rgba(0, 242, 254, 0.35);
  --glow-terminal: 0 8px 32px rgba(0, 0, 0, 0.65), 0 0 20px rgba(0, 255, 102, 0.15);
  --glow-btn: 0 0 25px rgba(0, 255, 102, 0.4), 0 4px 15px rgba(0, 242, 254, 0.3);

  /* 字体系统 */
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', Consolas, Menlo, monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;

  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  /* 终端网格背景 */
  background-image: 
    linear-gradient(rgba(0, 255, 102, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 102, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
}

/* 顶部与全局环境光 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 550px;
  background: radial-gradient(circle at 50% 0%, rgba(0, 255, 102, 0.08) 0%, rgba(0, 242, 254, 0.05) 45%, transparent 75%);
  pointer-events: none;
  z-index: -1;
}

/* 扫描线微特效 (Scanline Overlay) */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.2) 50%);
  background-size: 100% 4px;
  pointer-events: none;
  opacity: 0.15;
  z-index: 999;
}

/* 通用容器 */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 极客终端等宽强调 */
.font-mono, .code-font, .cli-tag, .section-tag, .stat-num, .traffic-pill, .badge-title {
  font-family: var(--font-mono);
}

/* 渐变与终端文字高亮 */
.text-gradient {
  background: linear-gradient(135deg, #00ff66 0%, #00f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #00f2fe 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-green {
  color: var(--terminal-green);
}

.text-cyan {
  color: var(--primary-cyan);
}

.text-amber {
  color: var(--terminal-amber);
}

/* 终端光标闪烁 */
.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 1.15em;
  background: var(--terminal-green);
  vertical-align: text-bottom;
  margin-left: 4px;
  animation: blinkCursor 1s infinite steps(2, start);
}

@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ================= 导航条 (Navbar) ================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 7, 10, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  height: 72px;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 品牌 Logo */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  transition: var(--transition);
}

.brand-logo:hover {
  text-shadow: 0 0 15px rgba(0, 255, 102, 0.5);
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.35);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terminal-green);
  box-shadow: 0 0 15px rgba(0, 255, 102, 0.2);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.logo-prompt {
  color: var(--terminal-green);
  margin-right: 4px;
}

.logo-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(0, 255, 102, 0.15);
  color: var(--terminal-green);
  border: 1px solid rgba(0, 255, 102, 0.4);
  margin-left: 6px;
  font-weight: 600;
}

/* 导航链接 */
.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-index {
  color: var(--terminal-green);
  font-size: 0.75rem;
  opacity: 0.8;
}

.nav-link:hover {
  color: var(--terminal-green);
}

/* 导航动作区 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 移动端汉堡切换 */
#nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  cursor: pointer;
}

.nav-toggle-label span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--terminal-green);
  border-radius: 2px;
  transition: var(--transition);
}

/* ================= 按钮系统 (Buttons) ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}

.btn-primary {
  background: #00ff66;
  color: #030a05;
  border-color: #00ff66;
  box-shadow: 0 0 20px rgba(0, 255, 102, 0.35);
  font-weight: 700;
}

.btn-primary:hover {
  background: #22ff7a;
  box-shadow: 0 0 35px rgba(0, 255, 102, 0.65);
  transform: translateY(-2px);
  color: #000;
}

.btn-secondary {
  background: rgba(10, 15, 26, 0.8);
  color: var(--terminal-green);
  border-color: rgba(0, 255, 102, 0.3);
}

.btn-secondary:hover {
  background: rgba(0, 255, 102, 0.1);
  border-color: var(--terminal-green);
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 14px 34px;
  font-size: 1.05rem;
}

/* ================= 首屏 (Hero Section) ================= */
.hero-section {
  padding: 60px 0 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 40px;
  align-items: center;
}

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

/* 促销标签 */
.promo-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.3);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--terminal-green);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--terminal-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--terminal-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.35); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* 信任统计指标 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--terminal-green);
}

.stat-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 4px;
}

/* ================= 终端模拟器组件 (Hero CLI Terminal) ================= */
.terminal-window {
  background: var(--bg-terminal);
  border: 1px solid rgba(0, 255, 102, 0.25);
  border-radius: var(--radius-md);
  box-shadow: var(--glow-terminal);
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  background: var(--bg-terminal-header);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.t-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.t-red { background: #ff5f56; }
.t-yellow { background: #ffbd2e; }
.t-green { background: #27c93f; }

.terminal-title {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.terminal-badge {
  font-size: 0.65rem;
  color: var(--terminal-green);
  border: 1px solid rgba(0, 255, 102, 0.4);
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(0, 255, 102, 0.1);
}

.terminal-body {
  padding: 20px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #cbd5e1;
  min-height: 320px;
}

.t-prompt {
  color: var(--terminal-green);
  font-weight: 700;
}

.t-cmd {
  color: #f8fafc;
  font-weight: 600;
}

.t-comment {
  color: #64748b;
  font-style: italic;
}

.t-success {
  color: var(--terminal-green);
  font-weight: 600;
}

.t-info {
  color: var(--primary-cyan);
}

.t-warn {
  color: var(--terminal-amber);
}

.t-row {
  margin-bottom: 6px;
}

/* ================= 通用 Section 头部 ================= */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.25);
  border-radius: var(--radius-sm);
  color: var(--terminal-green);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ================= 核心优势三列卡片 (Features) ================= */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--terminal-green), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 255, 102, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 255, 102, 0.15);
}

.feature-card:hover::before {
  opacity: 1;
}

.card-cli-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 10px;
}

.card-cli-tag {
  color: var(--terminal-green);
  background: rgba(0, 255, 102, 0.1);
  padding: 2px 6px;
  border-radius: 2px;
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terminal-green);
  margin-bottom: 20px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon-wrapper {
  background: rgba(0, 255, 102, 0.15);
  box-shadow: 0 0 18px rgba(0, 255, 102, 0.4);
}

.feature-icon-wrapper svg {
  width: 26px;
  height: 26px;
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* ================= 流媒体与 AI 支持大卡片 ================= */
.media-ai-card {
  background: var(--bg-card);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: var(--radius-md);
  padding: 44px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.media-ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--terminal-green), var(--primary-cyan));
}

.media-ai-content h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.media-ai-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.tags-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.25);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #e2e8f0;
}

.pill-tag svg {
  width: 14px;
  height: 14px;
  fill: var(--terminal-green);
}

.media-badges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.media-badge-item {
  background: rgba(7, 10, 18, 0.85);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 18px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: var(--transition);
}

.media-badge-item:hover {
  border-color: rgba(0, 255, 102, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.badge-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.badge-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ================= 定价卡片区 (Pricing Plans) ================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 255, 102, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
}

.pricing-card.featured {
  border-color: var(--terminal-green);
  background: rgba(9, 15, 25, 0.95);
  box-shadow: 0 0 30px rgba(0, 255, 102, 0.2);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #00f2fe, #00ff66);
}

.popular-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: #00ff66;
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  box-shadow: 0 0 15px rgba(0, 255, 102, 0.6);
}

.plan-header {
  margin-bottom: 20px;
}

.plan-cli-id {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--terminal-green);
  margin-bottom: 6px;
  opacity: 0.85;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.plan-cycle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.plan-currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--terminal-green);
}

.plan-price {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  color: #fff;
}

.plan-unit {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.traffic-pill {
  display: inline-block;
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.25);
  color: var(--terminal-green);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 26px;
  text-align: center;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.plan-feature-item svg {
  width: 16px;
  height: 16px;
  fill: var(--terminal-green);
  flex-shrink: 0;
  margin-top: 3px;
}

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

/* ================= 架构解析与遥测面板 (Why Us) ================= */
.why-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.why-row.reverse {
  direction: rtl;
}

.why-row.reverse > * {
  direction: ltr;
}

.why-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.3;
}

.why-content p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.check-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.check-list-item svg {
  width: 18px;
  height: 18px;
  fill: var(--terminal-green);
  flex-shrink: 0;
}

/* 实时遥测数据面板 */
.telemetry-panel {
  background: var(--bg-terminal);
  border: 1px solid rgba(0, 255, 102, 0.3);
  border-radius: var(--radius-md);
  padding: 28px;
  font-family: var(--font-mono);
  box-shadow: var(--glow-terminal);
}

.telemetry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 14px;
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--terminal-green);
  font-weight: 600;
}

.live-dot {
  width: 8px;
  height: 8px;
  background: var(--terminal-green);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.telemetry-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.metric-box {
  background: rgba(14, 20, 32, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.metric-val {
  font-size: 1.45rem;
  font-weight: 700;
  color: #fff;
}

.telemetry-progress-wrap {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 18px;
}

.telemetry-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.progress-bar-bg {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 96.8%;
  background: linear-gradient(90deg, #00f2fe, #00ff66);
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.5);
}

/* ================= 口碑评价跑马灯 (Testimonials) ================= */
.marquee-section {
  padding: 80px 0;
  overflow: hidden;
  position: relative;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: rgba(5, 7, 12, 0.6);
}

.marquee-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: marquee 40s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.testimonial-card {
  width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(0, 255, 102, 0.35);
  background: var(--bg-card-hover);
}

.t-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 102, 0.1);
  border: 1px solid rgba(0, 255, 102, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terminal-green);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
}

.author-info h4 {
  font-size: 0.92rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.author-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ================= 常见问题折叠 (FAQ) ================= */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item:hover {
  border-color: rgba(0, 255, 102, 0.3);
}

.faq-item[open] {
  border-color: rgba(0, 255, 102, 0.45);
  background: rgba(9, 14, 24, 0.95);
}

.faq-summary {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1.02rem;
  list-style: none;
  font-family: var(--font-sans);
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  width: 18px;
  height: 18px;
  stroke: var(--terminal-green);
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ================= 底部 CTA 转化区 ================= */
.cta-banner-section {
  padding: 90px 0;
  text-align: center;
  position: relative;
}

.cta-box {
  background: radial-gradient(circle at 50% 50%, rgba(0, 255, 102, 0.08) 0%, rgba(0, 242, 254, 0.03) 60%, transparent 100%),
              rgba(10, 15, 26, 0.9);
  border: 1px solid rgba(0, 255, 102, 0.35);
  border-radius: var(--radius-lg);
  padding: 60px 32px;
  box-shadow: 0 0 50px rgba(0, 255, 102, 0.12);
  max-width: 960px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.cta-box p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 660px;
  margin: 0 auto 36px;
}

/* ================= 页脚 (Footer) ================= */
.footer {
  border-top: 1px solid var(--border-light);
  padding: 44px 0;
  background: #040508;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 18px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--terminal-green);
}

.footer-copy {
  text-align: center;
}

/* ================= 子页面特有样式 (Subpages) ================= */
.subpage-hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border-light);
  background: rgba(8, 12, 20, 0.5);
  text-align: center;
}

.subpage-container {
  max-width: 860px;
  margin: 50px auto 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 48px;
}

.subpage-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 32px 0 16px;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
  font-family: var(--font-mono);
}

.subpage-content h2:first-child {
  margin-top: 0;
}

.subpage-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.subpage-content ul {
  padding-left: 20px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.subpage-content li {
  margin-bottom: 10px;
  line-height: 1.7;
}

.subpage-content strong {
  color: #fff;
}

/* ================= 移动端响应式 (Responsive) ================= */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .cards-grid-3, .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .media-ai-card {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 30px;
  }
  
  .why-row, .why-row.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .why-row.reverse {
    direction: ltr;
  }
}

@media (max-width: 768px) {
  .navbar {
    height: 64px;
  }

  .nav-toggle-label {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(5, 7, 10, 0.98);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
    gap: 18px;
  }

  #nav-toggle:checked ~ .nav-links {
    display: flex;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .media-badges-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-box {
    padding: 40px 20px;
  }

  .cta-box h2 {
    font-size: 1.8rem;
  }

  .subpage-container {
    padding: 24px;
  }
}