@charset "utf-8";

:root {
  --primary: #7C3AED;
  --primary-dark: #6D28D9;
  --secondary: #2563EB;
  --accent: #06B6D4;
  --accent-glow: rgba(6, 182, 212, 0.4);
  --bg-dark: #0A0A1A;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --gradient-primary: linear-gradient(135deg, #7C3AED, #2563EB);
  --gradient-accent: linear-gradient(135deg, #06B6D4, #7C3AED);
  --gradient-hero: linear-gradient(180deg, #0A0A1A 0%, #0F0B2E 50%, #0A0A1A 100%);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/*星星样式*/
.aiarticle-comment-rating-icon{
    display:inline-block !important;
    width:auto !important;
    height:auto !important;
    margin-right:2px;
    color:#ffb400 !important;
    font-style:normal !important;
    font-weight:normal !important;
    line-height:1 !important;
    vertical-align:middle;
    text-decoration:none !important;
}

.aiarticle-comment-rating-icon:before{
    font-family:Arial,"Segoe UI Symbol","Noto Sans Symbols","Microsoft YaHei",sans-serif !important;
    font-style:normal !important;
    font-weight:normal !important;
    line-height:1 !important;
}

.aiarticle-comment-rating-icon.fa-star:before{
    content:"\2605" !important;
}

.aiarticle-comment-rating-icon.fa-star-o:before{
    content:"\2606" !important;
}

.aiarticle-comment-rating-icon:last-child{
    margin-right:0;
}
/*星星样式结束*/
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

ul {
  list-style: none;
}

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

i[class^="icon-"],
i[class*=" icon-"] {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}

i[class^="icon-"]::before,
i[class*=" icon-"]::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0) invert(1);
}

.icon-menu::before { background-image: url('../icons/icon-menu.svg'); }
.icon-close::before { background-image: url('../icons/icon-close.svg'); }
.icon-star::before { background-image: url('../icons/icon-star.svg'); }
.icon-check::before { background-image: url('../icons/icon-check.svg'); }
.icon-download::before { background-image: url('../icons/icon-download.svg'); }
.icon-arrow-right::before { background-image: url('../icons/icon-arrow-right.svg'); }
.icon-robot::before { background-image: url('../icons/icon-robot.svg'); }
.icon-voice::before { background-image: url('../icons/icon-voice.svg'); }
.icon-personality::before { background-image: url('../icons/icon-personality.svg'); }
.icon-avatar::before { background-image: url('../icons/icon-avatar.svg'); }
.icon-shield::before { background-image: url('../icons/icon-shield.svg'); }
.icon-speed::before { background-image: url('../icons/icon-speed.svg'); }
.icon-globe::before { background-image: url('../icons/icon-globe.svg'); }
.icon-chat::before { background-image: url('../icons/icon-chat.svg'); }
.icon-heart::before { background-image: url('../icons/icon-heart.svg'); }

.testimonial-card .stars i::before {
  filter: brightness(0) saturate(100%) invert(72%) sepia(73%) saturate(1465%) hue-rotate(3deg) brightness(103%) contrast(102%);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(6, 182, 212, 0.1);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.3;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  will-change: transform;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

.navbar.scrolled {
  background: rgba(10, 10, 26, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.navbar .nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition-fast);
  z-index: 1001;
}

.navbar .nav-logo:hover {
  transform: scale(1.05);
}

.navbar .nav-logo img {
  width: 36px;
  height: 36px;
}

.navbar .nav-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-menu li a {
  display: block;
  padding: 8px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: transform var(--transition-fast);
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--text-primary);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-cta {
  padding: 8px 20px;
  font-size: 0.85rem;
  margin-left: auto;
  margin-right: 16px;
  display: inline-flex;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
  background: none;
  border: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  outline: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatSlow 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatSlow 10s ease-in-out infinite reverse;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-content h1 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 16px;
  margin-top: 4px;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-buttons .hero-btn-icon {
  width: 18px;
  height: 18px;
}

.hero-buttons .hero-btn-icon-sm {
  width: 16px;
  height: 16px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn i[class^="icon-"],
.btn i[class*=" icon-"] {
  flex-shrink: 0;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}

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

.hero-orb {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: var(--gradient-primary);
  position: relative;
  animation: pulseGlow 3s ease-in-out infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-orb::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0.3;
  filter: blur(40px);
  animation: pulseGlow 3s ease-in-out infinite 0.5s;
}

.hero-orb .orb-icon {
  width: 80px;
  height: 80px;
  position: relative;
  z-index: 1;
}

.hero-floating-cards {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  animation: floatCard 6s ease-in-out infinite;
}

.float-card:nth-child(1) { top: 5%; right: 0; animation-delay: 0s; }
.float-card:nth-child(2) { top: 40%; right: -30px; animation-delay: 2s; }
.float-card:nth-child(3) { bottom: 15%; right: 10px; animation-delay: 4s; }

.float-card .float-card-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}

.float-card .float-card-icon-sm {
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}

.product-intro {
  padding: 100px 0;
  position: relative;
}

.product-intro .intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.intro-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.intro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.intro-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: var(--shadow-glow);
}

.intro-card:hover::before {
  transform: scaleX(1);
}

.intro-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
}

.intro-card .card-icon i {
  width: 28px;
  height: 28px;
  display: block;
}

.intro-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

.avatar-section {
  padding: 100px 0;
  position: relative;
  background: rgba(255, 255, 255, 0.01);
}

.avatar-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.avatar-preview {
  position: relative;
  display: flex;
  justify-content: center;
}

.avatar-frame {
  width: 320px;
  height: 400px;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.avatar-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  opacity: 0.05;
}

.avatar-frame .avatar-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.avatar-frame .avatar-circle i {
  width: 48px;
  height: 48px;
}

.avatar-frame .avatar-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.avatar-frame .avatar-tag {
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(6, 182, 212, 0.15);
  padding: 4px 14px;
  border-radius: 20px;
  position: relative;
  z-index: 1;
}

.avatar-color-dots {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  position: relative;
  z-index: 1;
}

.avatar-color-dots span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 2px solid transparent;
}

.avatar-color-dots span:hover,
.avatar-color-dots span.active {
  transform: scale(1.3);
  border-color: #fff;
}

.avatar-dot-purple { background: #7C3AED; }
.avatar-dot-blue { background: #2563EB; }
.avatar-dot-cyan { background: #06B6D4; }
.avatar-dot-pink { background: #EC4899; }

.avatar-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.avatar-feature-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.avatar-feature-item:hover {
  transform: translateX(8px);
  background: var(--bg-card-hover);
  border-color: rgba(124, 58, 237, 0.3);
}

.avatar-feature-item .feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-sm);
  background: rgba(124, 58, 237, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-feature-item .feature-icon i {
  width: 22px;
  height: 22px;
}

.avatar-feature-item .feature-info h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.avatar-feature-item .feature-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.voice-section {
  padding: 100px 0;
  position: relative;
}

.voice-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.voice-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.voice-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.voice-card:hover,
.voice-card.active {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.2);
}

.voice-card .voice-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.voice-card .voice-icon i {
  width: 24px;
  height: 24px;
}

.voice-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.voice-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.personality-slider-group {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.personality-slider {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-smooth);
}

.personality-slider:hover {
  border-color: rgba(124, 58, 237, 0.3);
}

.personality-slider .slider-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.personality-slider .slider-track {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.personality-slider .slider-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--gradient-primary);
  transition: width 0.6s ease;
}

.slider-fill.warm { width: 75%; }
.slider-fill.humor { width: 85%; }
.slider-fill.creative { width: 90%; }
.slider-fill.knowledge { width: 80%; }

.advantages {
  padding: 100px 0;
  background: rgba(255, 255, 255, 0.01);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
  position: relative;
}

.advantage-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.advantage-card .adv-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-card .adv-icon i {
  width: 28px;
  height: 28px;
}

.advantage-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.advantage-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.download-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.download-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.download-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.download-platforms {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 48px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  max-width: 420px;
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.download-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  z-index: 0;
}

.download-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.download-card:hover::after {
  opacity: 0.05;
}

.download-card .platform-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.download-card .platform-icon i {
  width: 40px;
  height: 40px;
  display: block;
  margin: 0 auto;
}

.download-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.download-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.download-card .btn {
  position: relative;
  z-index: 1;
}

.download-card .download-btn-icon {
  width: 16px;
  height: 16px;
}

.download-info {
  text-align: center;
}

.download-info-item {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.download-info-item .download-check-icon {
  width: 14px;
  height: 14px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}

.download-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.qr-code {
  width: 140px;
  height: 140px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #333;
  text-align: center;
  line-height: 1.4;
}

.testimonials {
  padding: 100px 0;
  background: rgba(255, 255, 255, 0.01);
}

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card);
}

.testimonial-card .stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-card .stars i {
  width: 18px;
  height: 18px;
  color: #F59E0B;
}

.testimonial-card .quote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial-card .user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card .user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-card .user-avatar i {
  width: 20px;
  height: 20px;
}

.testimonial-card .user-info h5 {
  font-size: 0.95rem;
  font-weight: 600;
}

.testimonial-card .user-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-subtle);
}

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

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-brand .footer-logo img {
  width: 32px;
  height: 32px;
}

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

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@keyframes floatSlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.05); }
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.85; }
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-orb {
    width: 240px;
    height: 240px;
  }

  .avatar-showcase {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .avatar-preview { order: -1; }

  .voice-showcase {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 26, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px 32px 40px;
    gap: 8px;
    transition: right var(--transition-smooth);
    border-left: 1px solid var(--border-subtle);
    flex: none;
    justify-content: flex-start;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-menu li a {
    font-size: 1.1rem;
    padding: 12px 0;
    width: 100%;
  }

  .nav-cta {
    margin-right: 50px;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .hero-orb {
    width: 200px;
    height: 200px;
  }

  .float-card:nth-child(2),
  .float-card:nth-child(3) {
    display: none;
  }

  .product-intro .intro-grid {
    grid-template-columns: 1fr;
  }

  .voice-cards {
    grid-template-columns: 1fr;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .download-platforms {
    flex-direction: column;
    align-items: center;
  }

  .download-card {
    width: 100%;
    max-width: 320px;
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .hero-floating-cards {
    display: none;
  }

  .avatar-frame {
    width: 260px;
    height: 340px;
  }

  .btn {
    padding: 8px 24px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.8rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .download-qr {
    flex-direction: column;
    gap: 20px;
  }
}