:root {
  --primary-color: #00ffff;
  --secondary-color: #8b5cf6;
  --accent-color: #ff00ff;
  --dark-blue: #0a0f1c;
  --light-blue: #1a2332;
  --text-color: #ffffff;
  --text-secondary: #e0e8ff;
  --text-muted: #94a3b8;
  --background-secondary: rgba(10, 25, 45, 0.9);
  --neon-blue: #00ffff;
  --neon-purple: #8b5cf6;
  --neon-pink: #ff00ff;
  --neon-green: #00ff88;
  --neon-orange: #ff6b35;
  --cyber-dark: #0d1117;
  --cyber-darker: #161b22;
  --terminal-bg: rgba(0, 0, 0, 0.8);
  --terminal-border: rgba(0, 255, 255, 0.3);
  --code-bg: rgba(15, 23, 42, 0.7);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Cascadia Code', 'Fira Code', 'Droid Sans Mono', 'Source Code Pro', monospace;
}

body {
  background: linear-gradient(135deg, #0d1117 0%, #161b22 30%, #0a0f1c 70%, #1a2332 100%);
  color: var(--text-color);
  overflow-x: hidden;
  line-height: 1.7;
  font-size: 18px;
  position: relative;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 添加动态背景效果 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 35%, rgba(0, 255, 255, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 75% 65%, rgba(139, 92, 246, 0.10) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255, 0, 255, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(0, 255, 136, 0.06) 0%, transparent 45%);
  animation: backgroundShift 25s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: -1;
}

@keyframes backgroundShift {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.1) rotate(5deg); }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  padding: 20px 0;
  position: relative;
  border-bottom: 2px solid transparent;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
  background-size: 100% 2px;
  background-repeat: no-repeat;
  background-position: bottom;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 12px;
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.logo span {
  background: linear-gradient(45deg, var(--primary-color), var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoGlow 3s ease-in-out infinite alternate;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(45deg, var(--primary-color), var(--neon-purple), var(--neon-pink));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  font-weight: bold;
  font-size: 16px;
  font-family: 'JetBrains Mono', monospace;
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.6), 0 0 50px rgba(255, 0, 255, 0.3);
  border: 1px solid rgba(0, 255, 255, 0.4);
  animation: iconPulse 2s ease-in-out infinite alternate;
}

.logo-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-100%);
  animation: shimmer 4s infinite;
}

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

@keyframes logoGlow {
  0% { filter: brightness(1) hue-rotate(0deg); }
  100% { filter: brightness(1.2) hue-rotate(10deg); }
}

@keyframes iconPulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

@keyframes buttonGlow {
  0% { filter: brightness(1) hue-rotate(0deg); }
  100% { filter: brightness(1.1) hue-rotate(5deg); }
}

@keyframes featureGlow {
  0% { transform: scale(1); }
  100% { transform: scale(1.03); }
}

@keyframes modalGlow {
  0% { filter: brightness(1) hue-rotate(0deg); }
  100% { filter: brightness(1.1) hue-rotate(10deg); }
}

.hero {
  display: flex;
  flex-direction: column;
  padding: 30px 0;
  position: relative;
}

/* 代码风格装饰元素 */
.hero::before {
  content: '/* Apex Intelligence Platform */';
  position: absolute;
  top: 20px;
  left: 20px;
  color: var(--neon-green);
  font-size: 14px;
  opacity: 0.6;
  font-family: 'JetBrains Mono', monospace;
  animation: codeGlow 4s ease-in-out infinite alternate;
}

.hero::after {
  content: 'function analyzeStock(symbol) { return prediction; }';
  position: absolute;
  bottom: 20px;
  right: 20px;
  color: var(--neon-blue);
  font-size: 12px;
  opacity: 0.5;
  font-family: 'JetBrains Mono', monospace;
  animation: codeGlow 5s ease-in-out infinite alternate;
}

@keyframes codeGlow {
  0% { opacity: 0.4; text-shadow: 0 0 5px rgba(0, 255, 255, 0.3); }
  100% { opacity: 0.7; text-shadow: 0 0 10px rgba(0, 255, 255, 0.6); }
}

.hero-flex {
  display: flex;
  gap: 30px;
  align-items: center;
  margin-bottom: 40px;
}

.hero-content {
  flex: 1;
}

.hero-image {
  flex: 0.8;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 212, 255, 0.2);
  border: 2px solid transparent;
  background: linear-gradient(45deg, rgba(0, 212, 255, 0.4), rgba(139, 92, 246, 0.4));
  background-clip: padding-box;
  max-width: 380px;
  min-height: 280px;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple));
  border-radius: inherit;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  z-index: -1;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(10, 15, 28, 0.3) 0%, rgba(0, 98, 255, 0.1) 100%);
}

h1 {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
  background: linear-gradient(45deg, var(--text-color), var(--primary-color), var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 35px rgba(0, 255, 255, 0.4), 0 0 50px rgba(255, 0, 255, 0.2);
  animation: textGlow 4s ease-in-out infinite alternate;
}

@keyframes textGlow {
  0% { filter: brightness(1); }
  100% { filter: brightness(1.2); }
}

p {
  font-size: 18px;
  margin-bottom: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 400;
}

.highlight {
  color: var(--primary-color);
  font-weight: 600;
  text-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
}

.accent {
  color: var(--neon-pink);
  font-weight: 600;
  text-shadow: 0 0 15px rgba(255, 0, 255, 0.6);
}

.analysis-container {
  background: linear-gradient(135deg, rgba(10, 25, 45, 0.95) 0%, rgba(26, 35, 50, 0.9) 100%);
  border-radius: 20px;
  padding: 32px;
  border: 2px solid transparent;
  background-clip: padding-box;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 212, 255, 0.1);
  margin-bottom: 40px;
  position: relative;
  overflow: visible;
}

/* 终端窗口标题栏 */
.analysis-container::after {
  content: 'apex@terminal:~ $ ai-analyze --stock-data';
  position: absolute;
  top: -30px;
  left: 20px;
  background: var(--terminal-bg);
  color: var(--neon-green);
  padding: 8px 16px;
  border-radius: 8px 8px 0 0;
  border: 1px solid var(--terminal-border);
  border-bottom: none;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  animation: terminalBlink 2s ease-in-out infinite;
}

@keyframes terminalBlink {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

.analysis-container::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple), var(--primary-color));
  border-radius: inherit;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: borderRotate 6s linear infinite;
}

@keyframes borderRotate {
  0% { background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple), var(--primary-color)); }
  33% { background: linear-gradient(45deg, var(--neon-purple), var(--primary-color), var(--neon-blue)); }
  66% { background: linear-gradient(45deg, var(--primary-color), var(--neon-blue), var(--neon-purple)); }
  100% { background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple), var(--primary-color)); }
}

.search-box {
  position: relative;
  margin-bottom: 24px;
}

.stock-input {
  width: 100%;
  padding: 20px 24px;
  font-size: 20px;
  border: 2px solid transparent;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.1) 100%);
  color: var(--text-color);
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  outline: none;
  transition: all 0.3s ease;
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.stock-input:focus {
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.15) 100%);
  border-color: var(--secondary-color);
}

.stock-input::placeholder {
  color: rgba(224, 232, 255, 0.6);
  font-size: 18px;
}

.search-icon {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary-color);
  font-size: 20px;
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 40px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-color);
  background: linear-gradient(45deg, var(--primary-color), var(--neon-purple), var(--neon-pink));
  border: 2px solid rgba(0, 255, 255, 0.4);
  border-radius: 16px;
  cursor: pointer;
  box-shadow: 0 15px 35px rgba(0, 255, 255, 0.5), 0 0 25px rgba(255, 0, 255, 0.3), 0 0 40px rgba(139, 92, 246, 0.4);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  width: 100%;
  text-align: center;
  margin: 24px 0;
  text-decoration: none;
  min-height: 72px;
  z-index: 10;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  animation: buttonGlow 3s ease-in-out infinite alternate;
}

.cta-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.cta-button:hover::before {
  transform: translateX(100%);
}

.cta-button:hover {
  box-shadow: 0 20px 40px rgba(0, 255, 255, 0.7), 0 0 35px rgba(255, 0, 255, 0.5), 0 0 50px rgba(139, 92, 246, 0.6);
  transform: translateY(-3px);
  border-color: var(--primary-color);
  animation: none;
}

.stats-row {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  gap: 16px;
}

.stat-item {
  text-align: center;
  flex: 1;
  padding: 20px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.1) 100%);
  border-radius: 12px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3), 0 0 15px rgba(0, 212, 255, 0.2);
  border-color: var(--secondary-color);
}

.stat-number {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(45deg, var(--primary-color), var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
  text-shadow: 0 0 25px rgba(0, 255, 255, 0.4), 0 0 35px rgba(255, 0, 255, 0.2);
}

.stat-label {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 500;
}

.features {
  display: flex;
  gap: 24px;
  margin: 50px 0;
}

.feature {
  flex: 1;
  padding: 28px;
  background: linear-gradient(135deg, rgba(10, 25, 45, 0.9) 0%, rgba(26, 35, 50, 0.8) 100%);
  border-radius: 16px;
  border: 2px solid rgba(0, 212, 255, 0.2);
  transition: all 0.3s ease;
  display: flex;
  align-items: flex-start;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 98, 255, 0.3), 0 0 20px rgba(0, 212, 255, 0.2);
  border-color: var(--secondary-color);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(45deg, rgba(0, 255, 255, 0.25), rgba(139, 92, 246, 0.25), rgba(255, 0, 255, 0.15));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
  border: 2px solid rgba(0, 255, 255, 0.4);
  flex-shrink: 0;
  font-size: 24px;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.4), 0 0 30px rgba(255, 0, 255, 0.2);
  animation: featureGlow 3s ease-in-out infinite alternate;
}

.feature-content {
  flex: 1;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary-color);
  text-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
}

.feature p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 20px;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: linear-gradient(135deg, rgba(10, 25, 45, 0.95) 0%, rgba(26, 35, 50, 0.9) 100%);
  padding: 40px;
  border-radius: 20px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  position: relative;
  border: 2px solid transparent;
  background-clip: padding-box;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 212, 255, 0.2);
  transform: scale(0.9);
  transition: all 0.3s ease;
  backdrop-filter: blur(20px);
}

.modal-content::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-purple), var(--primary-color));
  border-radius: inherit;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: borderRotate 4s linear infinite;
}

.modal.active .modal-content {
  transform: scale(1);
}

#progressTitle {
  font-size: 24px;
  margin-bottom: 24px;
  color: var(--text-color);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.progress-container {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  margin: 24px 0;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary-color), var(--neon-purple), var(--neon-pink), var(--neon-green));
  border-radius: 8px;
  transition: width 1.5s ease;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.7), 0 0 30px rgba(255, 0, 255, 0.5);
  animation: progressGlow 2s ease-in-out infinite alternate;
}

@keyframes progressGlow {
  0% { box-shadow: 0 0 20px rgba(0, 255, 255, 0.7), 0 0 30px rgba(255, 0, 255, 0.5); }
  100% { box-shadow: 0 0 30px rgba(0, 255, 255, 0.9), 0 0 40px rgba(255, 0, 255, 0.7); }
}

.analysis-items {
  display: flex;
  justify-content: space-between;
  margin: 32px 0;
  gap: 16px;
}

.analysis-item {
  text-align: center;
  opacity: 0.4;
  transition: all 0.3s ease;
  font-size: 16px;
  font-weight: 500;
  flex: 1;
  padding: 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
}

.analysis-item.active {
  opacity: 1;
  color: var(--secondary-color);
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.complete-message {
  display: none;
  animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.complete-message h3 {
  font-size: 22px;
  margin-bottom: 16px;
  color: var(--text-color);
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.complete-message p {
  font-size: 18px;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.modal-button {
  display: inline-block;
  padding: 20px 40px;
  background: linear-gradient(45deg, var(--neon-pink), var(--primary-color), var(--neon-purple));
  color: white;
  font-weight: 700;
  font-size: 18px;
  border-radius: 12px;
  margin-top: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 0, 255, 0.4);
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(255, 0, 255, 0.5), 0 0 20px rgba(0, 255, 255, 0.4), 0 0 30px rgba(139, 92, 246, 0.3);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
  animation: modalGlow 3s ease-in-out infinite alternate;
}

.modal-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.modal-button:hover::before {
  transform: translateX(100%);
}

.modal-button:hover {
  background: linear-gradient(45deg, #ff00ff, #00ffff, #8b5cf6);
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 15px 35px rgba(255, 0, 255, 0.7), 0 0 30px rgba(0, 255, 255, 0.6), 0 0 40px rgba(139, 92, 246, 0.5);
  animation: none;
}

.close-button {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 20px;
  font-weight: bold;
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--text-color);
  backdrop-filter: blur(10px);
}

.close-button:hover {
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.3));
  border-color: var(--primary-color);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.4), 0 0 30px rgba(255, 0, 255, 0.2);
}

.dot-typing {
  position: relative;
  left: -9999px;
  width: 12px;
  height: 12px;
  border-radius: 6px;
  background-color: var(--primary-color);
  color: var(--primary-color);
  box-shadow: 9984px 0 0 0 var(--primary-color), 10004px 0 0 0 var(--primary-color), 10024px 0 0 0 var(--primary-color);
  animation: dotTyping 2s infinite linear;
}

@keyframes dotTyping {
  0% {
    box-shadow: 9984px 0 0 0 var(--primary-color), 10004px 0 0 0 var(--primary-color), 10024px 0 0 0 var(--primary-color);
  }
  33.333% {
    box-shadow: 9984px -8px 0 0 var(--primary-color), 10004px 0 0 0 var(--primary-color), 10024px 0 0 0 var(--primary-color);
  }
  66.667% {
    box-shadow: 9984px 0 0 0 var(--primary-color), 10004px -8px 0 0 var(--primary-color), 10024px 0 0 0 var(--primary-color);
  }
  100% {
    box-shadow: 9984px 0 0 0 var(--primary-color), 10004px 0 0 0 var(--primary-color), 10024px -8px 0 0 var(--primary-color);
  }
}

footer {
  margin-top: 60px;
  padding: 32px 0;
  border-top: 2px solid transparent;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.3), rgba(255, 0, 255, 0.2), transparent);
  background-size: 100% 2px;
  background-repeat: no-repeat;
  background-position: top;
  font-size: 14px;
  color: var(--text-secondary);
}

.disclaimer {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(10, 25, 45, 0.3));
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.7;
  border: 1px solid rgba(0, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.disclaimer p {
  margin-bottom: 16px;
  font-size: 13px;
}

/* 移动端优化 */
@media (max-width: 768px) {
  body {
    font-size: 16px;
    line-height: 1.6;
  }

  .container {
    padding: 0 16px;
  }

  header {
    padding: 12px 0;
  }

  .logo {
    font-size: 22px;
    gap: 10px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .hero {
    padding: 16px 0;
  }

  .hero-flex {
    flex-direction: column;
    gap: 20px;
    margin-bottom: 24px;
  }

  .hero-content {
    order: 2;
    text-align: center;
  }

  .hero-image {
    order: 1;
    width: 100%;
    max-width: 100%;
    min-height: 200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
  }

  .hero-content p {
    text-align: center;
    font-size: 16px;
    margin-bottom: 16px;
    line-height: 1.6;
    letter-spacing: 0.3px;
    max-width: 100%;
  }

  .analysis-container {
    padding: 20px 16px;
    margin: 20px -8px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(10, 25, 45, 0.98) 0%, rgba(26, 35, 50, 0.95) 100%);
  }

  .stock-input {
    padding: 18px 20px;
    font-size: 16px;
    border-radius: 12px;
    width: 100%;
    box-sizing: border-box;
  }

  .stock-input::placeholder {
    font-size: 16px;
  }

  .search-icon {
    right: 18px;
    font-size: 18px;
  }

  .search-box {
    margin-bottom: 20px;
  }

  .cta-button {
    padding: 20px 24px;
    font-size: 18px;
    margin: 20px 0;
    min-height: 68px;
    border-radius: 14px;
    width: 100%;
    box-sizing: border-box;
  }

  .stats-row {
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
    margin-bottom: 32px;
  }

  .stat-item {
    flex: 1;
    min-width: calc(50% - 4px);
    padding: 16px 8px;
    border-radius: 12px;
  }

  .stat-number {
    font-size: 20px;
    margin-bottom: 2px;
  }

  .stat-label {
    font-size: 12px;
  }

  .features {
    flex-direction: column;
    gap: 16px;
    margin: 40px 0 32px 0;
  }

  .feature {
    padding: 20px 16px;
    border-radius: 14px;
    flex-direction: row;
    align-items: flex-start;
  }

  .feature-icon {
    width: 48px;
    height: 48px;
    font-size: 20px;
    margin-right: 16px;
    border-radius: 12px;
    flex-shrink: 0;
  }

  .feature-title {
    font-size: 16px;
    margin-bottom: 8px;
    line-height: 1.4;
    letter-spacing: 0.2px;
  }

  .feature p {
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    letter-spacing: 0.1px;
  }

  .modal {
    padding: 16px;
  }

  .modal-content {
    padding: 24px 20px;
    margin: 16px;
    border-radius: 16px;
    max-width: calc(100vw - 32px);
  }

  .analysis-items {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    margin: 20px 0;
  }

  .analysis-item {
    font-size: 15px;
    padding: 10px 8px;
    border-radius: 8px;
  }

  #progressTitle {
    font-size: 18px;
    margin-bottom: 16px;
  }

  .complete-message h3 {
    font-size: 17px;
    margin-bottom: 12px;
  }

  .complete-message p {
    font-size: 14px;
    margin-bottom: 16px;
  }

  .modal-button {
    padding: 16px 24px;
    font-size: 16px;
    width: 100%;
    border-radius: 12px;
  }

  .progress-container {
    margin: 16px 0;
    height: 8px;
  }

  .close-button {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  footer {
    margin-top: 32px;
    padding: 20px 0;
  }

  .disclaimer {
    padding: 16px;
    font-size: 12px;
    border-radius: 12px;
  }

  .disclaimer p {
    font-size: 12px;
    margin-bottom: 12px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  .logo {
    font-size: 20px;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .hero {
    padding: 12px 0;
  }

  .hero-flex {
    gap: 16px;
    margin-bottom: 20px;
  }

  .hero-image {
    max-height: 160px;
  }

  .hero-content p {
    font-size: 15px;
    margin-bottom: 12px;
  }

  .analysis-container {
    padding: 16px 12px;
    margin: 16px -4px;
    border-radius: 12px;
  }

  .stock-input {
    padding: 16px 18px;
    font-size: 16px;
    border-radius: 10px;
  }

  .stock-input::placeholder {
    font-size: 15px;
  }

  .search-icon {
    right: 16px;
    font-size: 16px;
  }

  .search-box {
    margin-bottom: 16px;
  }

  .cta-button {
    font-size: 17px;
    padding: 18px 20px;
    min-height: 64px;
    border-radius: 12px;
    margin: 16px 0;
  }

  .stats-row {
    gap: 6px;
    margin-top: 16px;
    margin-bottom: 24px;
  }

  .stat-item {
    min-width: calc(50% - 3px);
    padding: 12px 6px;
    border-radius: 10px;
  }

  .stat-number {
    font-size: 18px;
    margin-bottom: 2px;
  }

  .stat-label {
    font-size: 11px;
  }

  .features {
    gap: 12px;
    margin: 32px 0 24px 0;
  }

  .feature {
    padding: 16px 12px;
    border-radius: 12px;
  }

  .feature-icon {
    width: 42px;
    height: 42px;
    font-size: 18px;
    margin-right: 12px;
    border-radius: 10px;
  }

  .feature-title {
    font-size: 15px;
    margin-bottom: 4px;
  }

  .feature p {
    font-size: 13px;
    line-height: 1.4;
  }

  .modal {
    padding: 12px;
  }

  .modal-content {
    padding: 20px 16px;
    margin: 12px;
    border-radius: 14px;
  }

  .analysis-items {
    gap: 6px;
    margin: 16px 0;
  }

  .analysis-item {
    font-size: 14px;
    padding: 8px 6px;
    border-radius: 6px;
  }

  #progressTitle {
    font-size: 16px;
    margin-bottom: 12px;
  }

  .complete-message h3 {
    font-size: 15px;
    margin-bottom: 10px;
  }

  .complete-message p {
    font-size: 13px;
    margin-bottom: 12px;
  }

  .modal-button {
    padding: 14px 20px;
    font-size: 15px;
    border-radius: 10px;
  }

  .progress-container {
    margin: 12px 0;
    height: 6px;
  }

  .close-button {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  footer {
    margin-top: 24px;
    padding: 16px 0;
  }

  .disclaimer {
    padding: 12px;
    font-size: 11px;
    border-radius: 10px;
  }

  .disclaimer p {
    font-size: 11px;
    margin-bottom: 10px;
  }
}

/* 平板端优化 */
@media (min-width: 481px) and (max-width: 768px) {
  .hero-content p {
    font-size: 17px;
    text-align: center;
  }

  .analysis-container {
    max-width: 600px;
    margin: 24px auto;
  }

  .features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .feature {
    padding: 24px 16px;
  }
}

/* 移动端触摸优化 */
@media (hover: none) and (pointer: coarse) {
  .cta-button,
  .modal-button,
  .feature,
  .stat-item {
    min-height: 44px;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
  }

  .stock-input {
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: rgba(0, 212, 255, 0.1);
    font-size: 16px; /* 防止iOS缩放 */
  }

  .cta-button:active,
  .modal-button:active {
    transform: scale(0.98);
    box-shadow: 0 8px 25px rgba(0, 98, 255, 0.3);
  }

  .feature:active,
  .stat-item:active {
    transform: scale(0.95);
    opacity: 0.9;
  }

  .close-button:active {
    transform: scale(0.9);
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.4));
  }

  /* 防止文本选择 */
  .logo,
  .feature-title,
  .stat-label {
    -webkit-user-select: none;
    user-select: none;
  }
}

/* 性能优化 - 减少移动端动画 */
@media (max-width: 768px) {
  body::before {
    animation-duration: 30s;
  }

  .logo-icon::after {
    animation-duration: 4s;
  }

  .analysis-container::before {
    animation-duration: 8s;
  }

  .modal-content::before {
    animation-duration: 6s;
  }

  /* 减少阴影复杂性 */
  .hero-image {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    filter: none;
  }

  .analysis-container {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    filter: none;
  }

  .feature {
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
  }

  .stat-item {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }

  /* 优化视觉层次 */
  .hero-content p {
    opacity: 0.95;
  }

  .feature p {
    opacity: 0.9;
  }

  .stat-label {
    opacity: 0.85;
  }
}

/* 暗黑模式适配 */
@media (prefers-color-scheme: dark) {
  body {
    background: linear-gradient(135deg, #0a0f1c 0%, #1a1a2e 50%, #16213e 100%);
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .highlight {
    color: #ffffff;
    font-weight: 700;
  }

  .accent {
    color: #ff6b9d;
    font-weight: 700;
  }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  body::before {
    animation: none;
  }
}

/* 大屏幕设备优化 */
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
  }

  .hero-flex {
    flex-direction: row;
    gap: 40px;
    align-items: center;
  }

  .hero-content {
    order: 1;
    flex: 1;
    text-align: left;
  }

  .hero-image {
    order: 2;
    flex: 0.8;
    max-width: 400px;
    min-height: 300px;
  }

  .features {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }
}

/* 超小屏幕设备 */
@media (max-width: 360px) {
  .container {
    padding: 0 10px;
  }

  .logo {
    font-size: 18px;
  }

  .logo-icon {
    width: 28px;
    height: 28px;
    font-size: 10px;
  }

  .hero-image {
    min-height: 140px;
  }

  .analysis-container {
    padding: 14px 10px;
    margin: 12px -2px;
  }

  .cta-button {
    font-size: 16px;
    padding: 16px 18px;
    min-height: 60px;
  }
}

/* 横屏移动设备 */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    padding: 12px 0;
  }

  .hero-flex {
    flex-direction: row;
    gap: 16px;
    margin-bottom: 16px;
  }

  .hero-content {
    flex: 1;
    order: 1;
  }

  .hero-image {
    flex: 0.6;
    order: 2;
    min-height: 120px;
  }

  .analysis-container {
    margin: 16px 0;
  }

  .features {
    margin: 24px 0 20px 0;
  }
}

/* 高分辨率屏幕 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
  .hero-image img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* 安全区域适配 (iPhone X及以上) */
@supports (padding: max(0px)) {
  .modal {
    padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  }

  body {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }
}