:root {
  --bg-main: #F9F8FE;
  --bg-card: rgba(255, 255, 255, 0.78);
  --bg-card-hover: rgba(255, 255, 255, 0.92);
  --border-card: rgba(236, 72, 153, 0.16);
  --border-card-hover: rgba(139, 92, 246, 0.4);
  
  --primary-pink: #EC4899;
  --primary-purple: #8B5CF6;
  --accent-violet: #7C3AED;
  --accent-pink-light: #F472B6;
  --gradient-aurora: linear-gradient(135deg, #EC4899 0%, #A855F7 50%, #8B5CF6 100%);
  --gradient-aurora-hover: linear-gradient(135deg, #DB2777 0%, #9333EA 50%, #7C3AED 100%);
  --gradient-soft: linear-gradient(180deg, rgba(236,72,153,0.08) 0%, rgba(139,92,246,0.06) 100%);
  
  --text-main: #1E1B4B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --white: #FFFFFF;
  
  --shadow-sm: 0 4px 14px rgba(139, 92, 246, 0.08);
  --shadow-md: 0 10px 25px -5px rgba(236, 72, 153, 0.12), 0 8px 10px -6px rgba(139, 92, 246, 0.1);
  --shadow-lg: 0 20px 40px -10px rgba(139, 92, 246, 0.22);
  --shadow-glow: 0 0 35px rgba(236, 72, 153, 0.25);
  
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
}

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

/* Dynamic Aurora Background */
.aurora-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background: radial-gradient(circle at 15% 15%, rgba(236, 72, 153, 0.15) 0%, transparent 45%),
              radial-gradient(circle at 85% 20%, rgba(139, 92, 246, 0.18) 0%, transparent 50%),
              radial-gradient(circle at 50% 80%, rgba(244, 114, 182, 0.12) 0%, transparent 60%),
              radial-gradient(circle at 75% 75%, rgba(124, 58, 237, 0.14) 0%, transparent 55%),
              var(--bg-main);
}

.aurora-glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.65;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.orb-1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.35) 0%, rgba(236, 72, 153, 0) 70%);
  top: -10%;
  left: -5%;
  animation-duration: 22s;
}

.orb-2 {
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, rgba(139, 92, 246, 0) 70%);
  top: 20%;
  right: -10%;
  animation-duration: 26s;
  animation-delay: -5s;
}

.orb-3 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(244, 114, 182, 0.25) 0%, rgba(168, 85, 247, 0) 70%);
  bottom: 5%;
  left: 20%;
  animation-duration: 20s;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(45px, 60px) scale(1.12); }
  100% { transform: translate(-35px, 30px) scale(0.92); }
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.glass-panel:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-md);
}

/* Top Announcement Bar */
.top-announcement {
  background: var(--gradient-aurora);
  color: var(--white);
  padding: 9px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  text-align: center;
  position: relative;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(236, 72, 153, 0.2);
}

.top-announcement a {
  color: #FEF08A;
  font-weight: 700;
  text-decoration: underline;
  margin-left: 8px;
  transition: var(--transition);
}

.top-announcement a:hover {
  color: var(--white);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 14px;
  z-index: 99;
  padding: 8px 0;
  margin-bottom: 25px;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(236, 72, 153, 0.18);
  border-radius: var(--radius-full);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.08);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-aurora);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.35);
}

.brand-logo .brand-text span {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 22px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 0.94rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  padding: 4px 2px;
}

.nav-links a:hover {
  color: var(--primary-pink);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-aurora);
  transition: var(--transition);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-links a:hover::after {
  width: 80%;
}

.btn-aurora {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient-aurora);
  color: var(--white) !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 11px 24px;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.3);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-aurora:hover {
  background: var(--gradient-aurora-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(139, 92, 246, 0.4);
}

.btn-aurora:active {
  transform: translateY(0);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  padding: 6px;
}

/* Hero Section */
.hero-section {
  padding: 30px 0 60px;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(236, 72, 153, 0.1);
  border: 1px solid rgba(236, 72, 153, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary-pink);
  margin-bottom: 22px;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.1rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 18px;
  color: var(--text-main);
}

.hero-title .gradient-text {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 30px;
}

/* Hero Glass Floating Card */
.hero-glass-card {
  position: relative;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 2px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 25px 60px -15px rgba(139, 92, 246, 0.2), 0 0 0 1px rgba(236, 72, 153, 0.15);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}

.hero-left-content {
  display: flex;
  flex-direction: column;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}

.btn-secondary-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1px solid rgba(139, 92, 246, 0.25);
  transition: var(--transition);
}

.btn-secondary-glass:hover {
  background: var(--white);
  border-color: var(--primary-purple);
  box-shadow: var(--shadow-sm);
  color: var(--primary-purple);
}

.hero-features-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.chip-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.65);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(236, 72, 153, 0.15);
}

.chip-item svg {
  color: #10B981;
}

/* Mobile Quick Config Showcase (Hero Right) */
.mobile-mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.mobile-card-interactive {
  width: 100%;
  max-width: 350px;
  background: linear-gradient(145deg, #FFFFFF 0%, #FAF7FE 100%);
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(139, 92, 246, 0.18), inset 0 0 0 1px rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(236, 72, 153, 0.2);
  position: relative;
  transform: translateY(0);
  transition: var(--transition);
}

.mobile-card-interactive:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 50px rgba(236, 72, 153, 0.25);
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(139, 92, 246, 0.2);
}

.mockup-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #059669;
}

.mockup-toggle-btn {
  width: 100%;
  background: var(--gradient-aurora);
  color: var(--white);
  border: none;
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(236, 72, 153, 0.35);
  text-decoration: none;
  margin-bottom: 16px;
  transition: var(--transition);
}

.mockup-toggle-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 24px rgba(139, 92, 246, 0.45);
}

.mobile-client-pills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.client-pill-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}

.client-pill-btn:hover {
  border-color: var(--primary-pink);
  background: rgba(236, 72, 153, 0.05);
  color: var(--primary-pink);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 46px;
}

.section-tag {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary-pink);
  background: rgba(236, 72, 153, 0.1);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* Section 2: Clients Download Slider / Interactive Tabs */
.download-section {
  padding: 50px 0 70px;
}

.tabs-nav-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.tabs-nav {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px);
  padding: 6px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(236, 72, 153, 0.18);
  box-shadow: var(--shadow-sm);
  gap: 6px;
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn.active {
  background: var(--gradient-aurora);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.35);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.download-showcase-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(236, 72, 153, 0.2);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  align-items: center;
}

.qr-download-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(139, 92, 246, 0.15);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.qr-code-img {
  width: 170px;
  height: 170px;
  background: #FAF7FE;
  border: 2px dashed rgba(236, 72, 153, 0.35);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  padding: 10px;
}

.qr-code-img svg {
  width: 100%;
  height: 100%;
}

.mirror-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.mirror-link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(249, 248, 254, 0.85);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition);
}

.mirror-link-item:hover {
  background: #FFFFFF;
  border-color: var(--primary-pink);
  transform: translateX(4px);
  color: var(--primary-pink);
}

/* Section 3: Node Latency & Status */
.nodes-section {
  padding: 50px 0 70px;
}

.nodes-status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(236, 72, 153, 0.15);
  margin-bottom: 24px;
}

.status-metric-group {
  display: flex;
  gap: 28px;
}

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

.metric-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.metric-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
}

.metric-val.green {
  color: #059669;
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}

.node-card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(236, 72, 153, 0.14);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
}

.node-card:hover {
  border-color: var(--primary-purple);
  box-shadow: 0 10px 25px rgba(139, 92, 246, 0.12);
  transform: translateY(-3px);
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.node-country {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
}

.flag-emoji {
  font-size: 1.35rem;
}

.node-ping-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
}

.ping-fast {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.node-details {
  display: flex;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.load-bar {
  width: 100%;
  height: 6px;
  background: #E2E8F0;
  border-radius: 3px;
  overflow: hidden;
}

.load-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-aurora);
}

/* Section 4: Core Advantages */
.features-section {
  padding: 50px 0 70px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(236, 72, 153, 0.15);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-aurora);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-pink);
  box-shadow: 0 16px 35px rgba(236, 72, 153, 0.15);
}

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

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(236,72,153,0.15) 0%, rgba(139,92,246,0.15) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-pink);
  margin-bottom: 20px;
}

.feature-title {
  font-size: 1.28rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-main);
}

.feature-text {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Section 5: Pricing Section (Stacked & Tilted Visuals) */
.pricing-section {
  padding: 60px 0 80px;
  position: relative;
}

.pricing-cards-container {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 26px;
  perspective: 1200px;
  margin-top: 30px;
}

.pricing-card {
  flex: 1;
  max-width: 360px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(236, 72, 153, 0.2);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

/* 3D Stack / Tilt effect when not hovered */
.pricing-card.tilt-left {
  transform: rotateY(5deg) translateY(6px);
}

.pricing-card.tilt-center {
  transform: scale(1.05) translateY(-6px);
  border-color: var(--primary-pink);
  box-shadow: 0 25px 50px rgba(236, 72, 153, 0.25);
  z-index: 2;
  background: #FFFFFF;
}

.pricing-card.tilt-right {
  transform: rotateY(-5deg) translateY(6px);
}

.pricing-card:hover {
  transform: translateY(-12px) scale(1.04) rotateY(0deg) !important;
  box-shadow: 0 30px 60px rgba(139, 92, 246, 0.3) !important;
  z-index: 10;
}

.pricing-badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-aurora);
  color: var(--white);
  padding: 5px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.35);
}

.pricing-plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-main);
}

.pricing-plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 26px;
  padding-bottom: 22px;
  border-bottom: 1px dashed rgba(139, 92, 246, 0.2);
}

.currency-symbol {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-pink);
}

.price-number {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.price-period {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
  font-weight: 500;
}

.pricing-feature-item svg {
  color: #10B981;
  flex-shrink: 0;
}

.pricing-cta-btn {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: var(--transition);
}

/* Section 6: Testimonials */
.reviews-section {
  padding: 50px 0 70px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.review-card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(236, 72, 153, 0.15);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-purple);
}

.review-stars {
  color: #F59E0B;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.review-content {
  font-size: 0.94rem;
  color: var(--text-main);
  line-height: 1.65;
  margin-bottom: 18px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-aurora);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 800;
  font-size: 1rem;
}

.author-name {
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--text-main);
}

.author-tag {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Section 7: FAQ Accordion */
.faq-section {
  padding: 50px 0 70px;
}

.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(236, 72, 153, 0.15);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-pink);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-icon-arrow {
  transition: transform 0.3s ease;
  color: var(--primary-purple);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 22px 24px;
}

/* Section 8: Knowledge Base Articles Hub */
.kb-section {
  padding: 50px 0 80px;
}

.kb-categories-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
}

.kb-cat-btn {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
}

.kb-cat-btn.active, .kb-cat-btn:hover {
  background: var(--gradient-aurora);
  color: var(--white);
  border-color: transparent;
}

.kb-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}

.kb-article-card {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(236, 72, 153, 0.16);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.kb-article-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-pink);
  box-shadow: 0 16px 36px rgba(139, 92, 246, 0.16);
}

.kb-tag-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.tag-core { background: rgba(236, 72, 153, 0.12); color: var(--primary-pink); }
.tag-media { background: rgba(139, 92, 246, 0.12); color: var(--primary-purple); }
.tag-office { background: rgba(16, 185, 129, 0.12); color: #059669; }
.tag-game { background: rgba(245, 158, 11, 0.12); color: #D97706; }

.kb-article-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 10px;
}

.kb-article-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.kb-article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-light);
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  padding-top: 12px;
}

.read-more-link {
  color: var(--primary-pink);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Footer */
.footer {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(236, 72, 153, 0.15);
  padding: 60px 0 30px;
  margin-top: 60px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 14px;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-pink);
  padding-left: 4px;
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
  padding-top: 25px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}

/* Article Detail Pages Specific Styling */
.article-page {
  padding: 40px 0 80px;
}

.article-header {
  margin-bottom: 35px;
  text-align: center;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--primary-purple);
  text-decoration: none;
}

.article-main-title {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.25;
  color: var(--text-main);
  max-width: 900px;
  margin: 0 auto 18px;
}

.article-author-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 36px;
  align-items: flex-start;
}

.article-content-box {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(236, 72, 153, 0.16);
  border-radius: var(--radius-lg);
  padding: 42px;
  box-shadow: var(--shadow-md);
  font-size: 1.05rem;
  line-height: 1.85;
  color: #2D3748;
}

.article-content-box h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(236, 72, 153, 0.2);
}

.article-content-box h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 24px 0 12px;
}

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

.article-content-box ul, .article-content-box ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

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

.article-cta-box {
  background: linear-gradient(135deg, rgba(236,72,153,0.08) 0%, rgba(139,92,246,0.12) 100%);
  border: 1px dashed rgba(236, 72, 153, 0.4);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 30px 0;
  text-align: center;
}

.article-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(236, 72, 153, 0.16);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-widget h4 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-main);
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .hero-glass-card {
    grid-template-columns: 1fr;
    padding: 28px;
  }
  .download-showcase-card {
    grid-template-columns: 1fr;
  }
  .pricing-cards-container {
    flex-direction: column;
    align-items: center;
  }
  .pricing-card {
    width: 100%;
    max-width: 440px;
    transform: none !important;
  }
  .pricing-card.tilt-center {
    transform: none !important;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .article-content-box {
    padding: 24px;
  }
  .article-main-title {
    font-size: 1.8rem;
  }
}