/* 酷酷云机场 - 全站黑蓝霓虹科技风 CSS 样式库 (含全屏动态点缀) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
  --font-main: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* 基础统一深邃霓虹黑蓝科技色调 */
  --bg-main: #091124;
  --bg-dark-deep: #050b1a;
  --bg-card: rgba(15, 23, 42, 0.85);
  --bg-card-hover: rgba(20, 32, 58, 0.95);
  --bg-card-alt: rgba(15, 23, 42, 0.95);
  
  --border-light: rgba(0, 240, 255, 0.18);
  --border-hover: #00f0ff;
  
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-light: #cbd5e1;
  --text-white: #ffffff;
  
  /* 霓虹蓝科技色盘 */
  --neon-blue: #00f0ff;
  --neon-cyan: #00e5ff;
  --neon-glow: rgba(0, 240, 255, 0.4);
  --tech-blue: #0066ff;
  --tech-blue-hover: #0052cc;
  --tech-purple: #7000ff;
  
  --hero-bg: #091124;
  --hero-bg-deep: #050b1a;
  --hero-card-bg: rgba(15, 23, 42, 0.85);
  
  /* 状态颜色 */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  /* 阴影与微光 */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.35);
  --shadow-neon-button: 0 0 20px rgba(0, 102, 255, 0.5);
  
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* 全站全局网格 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: -2;
}

/* 全屏固定 Canvas 动态点缀粒子 */
#globalNeonCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

/* 全站固定霓虹流光背景晕染 */
.global-bg-orbs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -3;
  overflow: hidden;
}

.global-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  animation: globalOrbFloat 10s ease-in-out infinite alternate;
}

.g-orb-1 {
  top: -10%;
  left: 15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.6) 0%, rgba(0, 102, 255, 0.15) 70%, transparent 100%);
}

.g-orb-2 {
  top: 45%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(112, 0, 255, 0.5) 0%, rgba(0, 240, 255, 0.1) 70%, transparent 100%);
  animation-delay: -4s;
}

.g-orb-3 {
  bottom: -10%;
  left: 30%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.4) 0%, rgba(0, 102, 255, 0.2) 70%, transparent 100%);
  animation-delay: -7s;
}

@keyframes globalOrbFloat {
  0% { transform: scale(0.95) translate(0, 0); }
  100% { transform: scale(1.15) translate(30px, -30px); }
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

/* 头部导航栏 Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(9, 17, 36, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  transition: var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(5, 11, 26, 0.96);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  border-bottom-color: rgba(0, 240, 255, 0.35);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #00f0ff 0%, #0066ff 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: rotate(30deg);
  animation: logoShimmer 3s infinite;
}

@keyframes logoShimmer {
  0% { transform: translateX(-100%) rotate(30deg); }
  20%, 100% { transform: translateX(100%) rotate(30deg); }
}

.logo-text span {
  color: var(--neon-blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: #cbd5e1;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-blue);
  box-shadow: 0 0 8px var(--neon-blue);
  transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* 按钮样式包 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  outline: none;
  white-space: nowrap;
}

/* 霓虹蓝高能流光按钮 */
.btn-neon {
  background: linear-gradient(135deg, #0066ff 0%, #00f0ff 100%);
  color: #050b1a;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-neon::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  transition: 0.5s;
}

.btn-neon:hover::before {
  left: 100%;
}

.btn-neon:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
  color: #000;
}

.btn-outline-neon {
  background: rgba(0, 240, 255, 0.08);
  color: var(--neon-blue);
  border: 1px solid var(--neon-blue);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.btn-outline-neon:hover {
  background: rgba(0, 240, 255, 0.2);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-light {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(0, 240, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn-light:hover {
  background: rgba(0, 240, 255, 0.2);
  border-color: var(--neon-blue);
  color: var(--neon-blue);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.05rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================
   Hero 英雄区
   ========================================== */
.hero-section {
  position: relative;
  padding: 160px 0 100px 0;
  overflow: hidden;
  color: #ffffff;
  z-index: 1;
}

.hero-content-wrapper {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 30px;
  font-size: 0.88rem;
  color: var(--neon-blue);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--neon-blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-blue);
  animation: blinkDot 1.5s infinite;
}

@keyframes blinkDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 1.25rem;
}

.text-gradient-neon {
  background: linear-gradient(135deg, #ffffff 30%, var(--neon-blue) 70%, #0066ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item .stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--neon-blue);
  font-family: 'Inter', sans-serif;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-top: 0.2rem;
}

.hero-visual {
  position: relative;
}

.hero-tech-card {
  background: var(--hero-card-bg);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 20px;
  padding: 1.8rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 240, 255, 0.15);
  position: relative;
}

.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.2rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-r { background-color: #ef4444; }
.dot-y { background-color: #f59e0b; }
.dot-g { background-color: #10b981; }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: 20px;
  color: #34d399;
  font-size: 0.78rem;
  font-weight: 600;
}

.tech-speed-monitor {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.speed-gauge-wrap {
  text-align: center;
  padding: 1.2rem 0;
  position: relative;
}

.speed-number {
  font-size: 2.8rem;
  font-weight: 900;
  color: #ffffff;
  font-family: 'Inter', sans-serif;
  letter-spacing: -1px;
}

.speed-number span {
  font-size: 1.2rem;
  color: var(--neon-blue);
  font-weight: 600;
}

.speed-graph-bar {
  height: 8px;
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  margin-top: 0.75rem;
}

.speed-graph-fill {
  height: 100%;
  width: 94%;
  background: linear-gradient(90deg, #0066ff, var(--neon-blue));
  border-radius: 10px;
  box-shadow: 0 0 12px var(--neon-blue);
  animation: graphPulse 2s ease-in-out infinite alternate;
}

@keyframes graphPulse {
  0% { width: 90%; }
  100% { width: 98%; }
}

.node-list-preview {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.node-item-mini {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  font-size: 0.85rem;
}

.node-flag-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #e2e8f0;
}

.ping-tag {
  font-family: monospace;
  color: #34d399;
  font-weight: 600;
  background: rgba(52, 211, 153, 0.15);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

/* Section 通用 */
.section {
  padding: 90px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.section-subtitle {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--neon-blue);
  letter-spacing: 1.5px;
  margin-bottom: 0.75rem;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
}

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

/* 核心优势 Cards 网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 2.2rem 1.8rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--neon-blue);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(0, 240, 255, 0.25);
  background: var(--bg-card-hover);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15) 0%, rgba(0, 102, 255, 0.2) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-blue);
  font-size: 1.6rem;
  margin-bottom: 1.4rem;
  transition: var(--transition-fast);
  border: 1px solid rgba(0, 240, 255, 0.25);
}

.feature-card:hover .feature-icon-wrapper {
  background: linear-gradient(135deg, var(--tech-blue) 0%, var(--neon-blue) 100%);
  color: #050b1a;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 套餐价格 Section */
.pricing-section {
  position: relative;
  z-index: 1;
}

.pricing-toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.pricing-toggle-bg {
  background: rgba(15, 23, 42, 0.85);
  padding: 4px;
  border-radius: 40px;
  display: flex;
  position: relative;
  cursor: pointer;
  user-select: none;
  width: 240px;
  border: 1px solid rgba(0, 240, 255, 0.25);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.toggle-btn-option {
  flex: 1;
  text-align: center;
  padding: 0.55rem 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-muted);
  z-index: 2;
  transition: var(--transition-fast);
}

.toggle-btn-option.active {
  color: #050b1a;
}

.toggle-slider-pill {
  position: absolute;
  top: 4px;
  left: 4px;
  width: calc(50% - 4px);
  height: calc(100% - 8px);
  background: linear-gradient(135deg, #00f0ff 0%, #0066ff 100%);
  border-radius: 30px;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.toggle-discount-tag {
  background: #ef4444;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  position: relative;
  backdrop-filter: blur(16px);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--neon-blue);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.25);
}

.pricing-card.featured {
  border: 2px solid var(--neon-blue);
  box-shadow: 0 12px 35px rgba(0, 240, 255, 0.25);
  background: rgba(15, 23, 42, 0.95);
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--tech-blue) 0%, var(--neon-blue) 100%);
  color: #050b1a;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.25rem 1.2rem;
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
}

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

.pricing-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  min-height: 42px;
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin-bottom: 1.8rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--neon-blue);
}

.price-val {
  font-size: 3rem;
  font-weight: 900;
  color: #ffffff;
  font-family: 'Inter', sans-serif;
  line-height: 1;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2.2rem;
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.pricing-feature-item i {
  color: var(--neon-blue);
  font-size: 1.1rem;
}

/* 适合人群 Section */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 1.8rem 1.4rem;
  text-align: center;
  transition: var(--transition-normal);
  backdrop-filter: blur(12px);
}

.audience-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.audience-avatar {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.2rem auto;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--neon-blue);
}

.audience-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.audience-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Showcase Tutorials */
.tutorials-showcase {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.tutorial-card-dark {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: var(--transition-normal);
  backdrop-filter: blur(16px);
}

.tutorial-card-dark:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.25);
  transform: translateY(-4px);
}

.tutorial-badge-tag {
  align-self: flex-start;
  padding: 0.25rem 0.8rem;
  background: rgba(0, 240, 255, 0.15);
  border-radius: 20px;
  color: var(--neon-blue);
  font-size: 0.8rem;
  font-weight: 700;
}

.tutorial-steps-mini {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.t-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: #cbd5e1;
}

.t-step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--tech-blue);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(0, 102, 255, 0.5);
}

/* Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 1.8rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  transition: var(--transition-normal);
}

.review-card:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
  transform: translateY(-4px);
}

.review-stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar-placeholder {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tech-blue), var(--neon-blue));
  color: #050b1a;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.user-meta .user-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
}

.user-meta .user-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-fast);
  backdrop-filter: blur(12px);
}

.faq-item.active {
  border-color: var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--neon-blue);
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* Articles */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  backdrop-filter: blur(12px);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.25);
  border-color: var(--neon-blue);
}

.article-thumb {
  height: 180px;
  background: linear-gradient(135deg, #050b1a 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-blue);
  font-size: 3rem;
  position: relative;
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
}

.article-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(0, 240, 255, 0.2);
  color: var(--neon-blue);
  border: 1px solid rgba(0, 240, 255, 0.4);
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  backdrop-filter: blur(4px);
}

.article-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-title-link {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.article-title-link:hover {
  color: var(--neon-blue);
}

.article-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Footer */
.site-footer {
  background: var(--hero-bg-deep);
  color: #94a3b8;
  padding: 70px 0 30px 0;
  border-top: 1px solid rgba(0, 240, 255, 0.2);
  position: relative;
  z-index: 1;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand .brand-logo {
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a {
  font-size: 0.9rem;
  color: #cbd5e1;
  transition: var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--neon-blue);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
}

/* Article Page Container */
.page-header-banner {
  background: transparent;
  padding: 130px 0 60px 0;
  color: #ffffff;
  text-align: center;
  position: relative;
  z-index: 1;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: #94a3b8;
  margin-bottom: 1rem;
}

.breadcrumb-nav a {
  color: var(--neon-blue);
}

.article-container {
  max-width: 900px;
  margin: -40px auto 80px auto;
  background: var(--bg-card);
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  padding: 3.5rem 3rem;
  position: relative;
  z-index: 10;
  border: 1px solid var(--border-light);
  backdrop-filter: blur(16px);
}

.article-content {
  font-size: 1.05rem;
  color: #cbd5e1;
  line-height: 1.85;
}

.article-content h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.5rem;
  line-height: 1.25;
}

.article-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
  margin: 2.5rem 0 1.2rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(0, 240, 255, 0.15);
  position: relative;
}

.article-content h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--neon-blue);
  box-shadow: 0 0 10px var(--neon-blue);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--neon-blue);
  margin: 1.8rem 0 1rem 0;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content ul, .article-content ol {
  margin: 1rem 0 1.5rem 1.8rem;
}

.article-content li {
  margin-bottom: 0.6rem;
}

.article-content blockquote {
  background: rgba(0, 240, 255, 0.05);
  border-left: 4px solid var(--neon-blue);
  padding: 1.2rem 1.5rem;
  margin: 1.8rem 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: #94a3b8;
}

.cta-box-in-article {
  background: linear-gradient(135deg, #050b1a 0%, #0f172a 100%);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 16px;
  padding: 2.2rem;
  margin: 3rem 0;
  text-align: center;
  color: #fff;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
}

.cta-box-in-article h3 {
  color: var(--neon-blue);
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}

/* Breakpoints */
@media (max-width: 1024px) {
  .hero-content-wrapper {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-badge, .hero-actions {
    justify-content: center;
  }
  .features-grid, .pricing-cards-grid, .articles-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .header-cta {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .mobile-nav-active .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: #091124;
    padding: 2rem;
    border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .features-grid, .pricing-cards-grid, .articles-grid, .reviews-grid, .tutorials-grid, .audience-grid {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .article-container {
    padding: 2rem 1.25rem;
    margin-top: -20px;
  }
}