:root {
  /* 主要颜色 - 现代化紫蓝色系 */
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --success-color: #06d6a0;
  --warning-color: #ffd23f;
  --danger-color: #f72585;

  /* 背景色 - 更深邃的渐变 */
  --dark-bg: #0a0a0f;
  --darker-bg: #000005;
  --card-bg: rgba(20, 20, 35, 0.85);
  --glass-bg: rgba(15, 15, 30, 0.95);

  /* 文字颜色 - 增强对比度 */
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-muted: #94a3b8;
  --text-inverse: #0a0a0f;

  /* 渐变 - 统一的紫蓝色调 */
  --gradient-primary: linear-gradient(
    135deg,
    #6366f1 0%,
    #8b5cf6 50%,
    #ec4899 100%
  );
  --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --gradient-accent: linear-gradient(135deg, #06d6a0 0%, #6366f1 100%);

  /* 阴影和光效 - 增强视觉深度 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 32px rgba(99, 102, 241, 0.3);
  --shadow-purple: 0 0 24px rgba(139, 92, 246, 0.25);
  --shadow-pink: 0 0 28px rgba(236, 72, 153, 0.2);

  /* 边框半径 - 更现代的圆角 */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* 间距 - 优化视觉节奏 */
  --spacing-xs: 0.75rem;
  --spacing-sm: 1.25rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", "SF Pro Display", "Segoe UI", system-ui, sans-serif;
}

body {
  background: var(--dark-bg);
  color: var(--text-color);
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 16px;
  position: relative;
  min-height: 100vh;
}

/* 现代化深空背景效果 */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 25% 25%,
      rgba(99, 102, 241, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 75% 75%,
      rgba(139, 92, 246, 0.12) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 50% 0%,
      rgba(236, 72, 153, 0.08) 0%,
      transparent 60%
    ),
    linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
  pointer-events: none;
  z-index: -1;
}

/* 微妙的点阵背景 */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
      circle at center,
      rgba(99, 102, 241, 0.08) 1px,
      transparent 1px
    ),
    radial-gradient(
      circle at center,
      rgba(139, 92, 246, 0.06) 1px,
      transparent 1px
    );
  background-size: 80px 80px, 40px 40px;
  background-position: 0 0, 20px 20px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
}

.main-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  width: 100%;
}

/* 页头设计 */
header {
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid rgba(14, 165, 233, 0.1);
  box-shadow: var(--shadow-md);
  z-index: 100;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Logo设计 */
.brand {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.brand:hover {
  transform: translateY(-1px);
}

.brand span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

.brand-icon {
  width: 52px;
  height: 52px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: white;
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.brand-icon::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}

.brand-icon:hover {
  transform: scale(1.08) rotate(5deg);
  box-shadow: var(--shadow-lg), var(--shadow-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.brand-icon:hover::before {
  transform: translateX(100%);
}

/* 主要内容区域 */
.banner {
  padding: var(--spacing-2xl) 0;
  position: relative;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(99, 102, 241, 0.02) 100%
  );
}

.banner-flex {
  display: flex;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.banner-content {
  flex: 1;
  position: relative;
  z-index: 2;
}

/* 排版设计 */
h1 {
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  line-height: 1.2;
}

h3 {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  line-height: 1.3;
}

p {
  font-size: 18px;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 400;
  max-width: 65ch;
}

.text-large {
  font-size: 20px;
  line-height: 1.5;
}

.text-small {
  font-size: 14px;
  line-height: 1.4;
}

/* 文本高亮 */
.text-highlight {
  color: var(--primary-color);
  font-weight: 600;
  position: relative;
}

.text-highlight::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  opacity: 0.7;
}

.text-accent {
  color: var(--accent-color);
  font-weight: 600;
}

/* 分析容器 - 核心交互区域 */
.analysis-box {
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.1) 0%,
    rgba(139, 92, 246, 0.08) 100%
  );
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  margin-bottom: var(--spacing-2xl);
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.analysis-box:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-xl), 0 0 48px rgba(99, 102, 241, 0.2);
  transform: translateY(-4px) scale(1.01);
}

/* 搜索框设计 */
.input-wrapper {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.ticker-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 18px;
  border: 2px solid rgba(99, 102, 241, 0.25);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.04) 100%
  );
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  outline: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  font-family: inherit;
}

.ticker-input:focus {
  border-color: var(--primary-color);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.06) 100%
  );
  box-shadow: var(--shadow-lg), var(--shadow-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-2px) scale(1.01);
}

.ticker-input::placeholder {
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 400;
}

.input-icon {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-color);
  font-size: 20px;
  transition: all 0.3s ease;
  opacity: 0.7;
}

.ticker-input:focus + .input-icon {
  opacity: 1;
  transform: translateY(-50%) scale(1.1);
}

/* 主要按钮设计 */
.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: 20px;
  font-weight: 700;
  color: white;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  box-shadow: var(--shadow-lg), var(--shadow-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  text-align: center;
  margin: var(--spacing-lg) 0;
  text-decoration: none;
  min-height: 68px;
  z-index: 10;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  font-family: inherit;
}

.action-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.action-btn:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: var(--shadow-xl), 0 0 48px rgba(99, 102, 241, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.action-btn:hover::before {
  transform: translateX(100%);
}

.action-btn:active {
  transform: translateY(-1px) scale(1.01);
}

/* 统计数据展示 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.metric-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.08) 0%,
    rgba(139, 92, 246, 0.06) 100%
  );
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.15);
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0.8;
}

.metric-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(99, 102, 241, 0.3);
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.12) 0%,
    rgba(139, 92, 246, 0.08) 100%
  );
}

.metric-value {
  font-size: clamp(28px, 5vw, 36px);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.metric-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  line-height: 1.3;
  opacity: 0.9;
}

/* 功能特性展示 */
.feature-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.feature-card {
  padding: var(--spacing-xl) var(--spacing-lg);
  background: linear-gradient(135deg, #ff6b9d 0%, #c44597 50%, #e91e63 100%);
  border-radius: 24px;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
  box-shadow: 0 8px 32px rgba(255, 107, 157, 0.3);
  position: relative;
  min-height: 200px;
  justify-content: center;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%
  );
  border-radius: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 48px rgba(255, 107, 157, 0.4);
}

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

.feature-card-img {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  color: white;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  margin-bottom: var(--spacing-sm);
}

.feature-card-img::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}

.feature-card:hover .feature-card-img {
  transform: scale(1.05);
}

.feature-card:hover .feature-card-img::before {
  transform: translateX(100%);
}

.feature-card-text {
  flex: 1;
}

.feature-card-heading {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: white;
  line-height: 1.3;
}

.feature-card p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  font-weight: 400;
  margin: 0;
}

/* 模态框设计 */
.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: var(--spacing-md);
}

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

.popup-body {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  text-align: center;
  position: relative;
  border: 1px solid rgba(14, 165, 233, 0.2);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.popup.active .popup-body {
  transform: scale(1) translateY(0);
}

/* 模态框内容样式 */
#b8w {
  font-size: clamp(24px, 5vw, 32px);
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.progress-wrap {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  margin: var(--spacing-lg) 0;
  overflow: hidden;
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.progress-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: progressShine 2s ease-in-out infinite;
}

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

.task-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
}

.task-item {
  text-align: center;
  opacity: 0.4;
  transition: all 0.3s ease;
  font-size: 14px;
  font-weight: 500;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(14, 165, 233, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

.task-item.active {
  opacity: 1;
  color: var(--primary-color);
  background: rgba(14, 165, 233, 0.1);
  border-color: rgba(14, 165, 233, 0.3);
  transform: scale(1.02);
}

.success-msg {
  display: none;
  animation: slideInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.success-msg h3 {
  font-size: clamp(20px, 4vw, 28px);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.success-msg p {
  font-size: 18px;
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.5;
}

/* 模态框按钮 */
.popup-btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--gradient-secondary);
  color: var(--text-inverse);
  font-weight: 700;
  font-size: 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-decoration: none;
  box-shadow: var(--shadow-lg), var(--shadow-purple);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  font-family: inherit;
}

.popup-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.popup-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(139, 92, 246, 0.4);
}

.popup-btn:hover::before {
  transform: translateX(100%);
}

/* 关闭按钮 */
.close-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 20px;
  font-weight: 600;
  border: 1px solid rgba(14, 165, 233, 0.2);
  color: var(--text-secondary);
}

.close-btn:hover {
  background: rgba(14, 165, 233, 0.1);
  border-color: var(--primary-color);
  color: var(--text-primary);
  transform: scale(1.05);
}

/* 加载动画 */
.loading-dots {
  position: relative;
  left: -9999px;
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background-color: var(--primary-color);
  color: var(--primary-color);
  box-shadow: 9984px 0 0 0 var(--primary-color),
    10000px 0 0 0 var(--primary-color), 10016px 0 0 0 var(--primary-color);
  animation: dotTyping 1.5s infinite linear;
}

@keyframes dotTyping {
  0% {
    box-shadow: 9984px 0 0 0 var(--primary-color),
      10000px 0 0 0 var(--primary-color), 10016px 0 0 0 var(--primary-color);
  }
  33.333% {
    box-shadow: 9984px -6px 0 0 var(--primary-color),
      10000px 0 0 0 var(--primary-color), 10016px 0 0 0 var(--primary-color);
  }
  66.667% {
    box-shadow: 9984px 0 0 0 var(--primary-color),
      10000px -6px 0 0 var(--primary-color), 10016px 0 0 0 var(--primary-color);
  }
  100% {
    box-shadow: 9984px 0 0 0 var(--primary-color),
      10000px 0 0 0 var(--primary-color), 10016px -6px 0 0 var(--primary-color);
  }
}

/* 页脚设计 */
footer {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid rgba(14, 165, 233, 0.15);
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.legal-text {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(14, 165, 233, 0.1);
  box-shadow: var(--shadow-md);
}

.legal-text p {
  margin-bottom: var(--spacing-sm);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.legal-text p strong {
  color: var(--text-secondary);
  font-weight: 600;
}

/* ===== 移动端响应式设计 ===== */
@media (max-width: 768px) {
  :root {
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 2.5rem;
  }

  .main-wrapper {
    padding: 0 var(--spacing-md);
  }

  header {
    padding: var(--spacing-sm) 0;
  }

  .brand {
    font-size: 24px;
    gap: var(--spacing-xs);
  }

  .brand-icon {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }

  .banner {
    padding: var(--spacing-lg) 0;
  }

  .banner-flex {
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }

  .banner-content {
    text-align: center;
  }

  p {
    max-width: none;
    text-align: center;
  }

  .analysis-box {
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
  }

  .input-wrapper {
    margin-bottom: var(--spacing-md);
  }

  .ticker-input {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 16px;
  }

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

  .input-icon {
    right: var(--spacing-sm);
    font-size: 18px;
  }

  .action-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 18px;
    min-height: 56px;
    margin: var(--spacing-md) 0;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
  }

  .metric-card {
    padding: var(--spacing-md);
  }

  .feature-card-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .feature-card {
    padding: var(--spacing-lg);
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: var(--spacing-sm);
  }

  .feature-card-img {
    width: 56px;
    height: 56px;
    font-size: 20px;
    margin-right: 0;
  }

  .feature-card-heading {
    font-size: 18px;
  }

  .feature-card p {
    font-size: 15px;
    max-width: none;
    text-align: center;
  }

  .popup-body {
    padding: var(--spacing-lg);
    margin: var(--spacing-sm);
    max-width: calc(100vw - 2rem);
  }

  .task-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .task-item {
    font-size: 13px;
    padding: var(--spacing-xs);
  }

  .popup-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 16px;
    width: 100%;
  }

  .progress-wrap {
    height: 10px;
    margin: var(--spacing-md) 0;
  }

  .close-btn {
    width: 36px;
    height: 36px;
    font-size: 18px;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
  }

  footer {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
  }

  .legal-text {
    padding: var(--spacing-lg) var(--spacing-md);
    margin: 0 var(--spacing-xs);
  }

  .legal-text p {
    font-size: 13px;
    margin-bottom: var(--spacing-xs);
  }
}

/* 小屏设备优化 */
@media (max-width: 480px) {
  :root {
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.25rem;
    --spacing-lg: 1.75rem;
    --spacing-xl: 2rem;
  }

  .main-wrapper {
    padding: 0 var(--spacing-md);
  }

  .banner {
    padding: var(--spacing-md) 0;
  }

  .analysis-box {
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
  }

  .action-btn {
    font-size: 16px;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 48px;
  }

  .ticker-input {
    font-size: 16px;
    padding: var(--spacing-sm);
  }

  .feature-card {
    padding: var(--spacing-md);
  }

  .feature-card-img {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

  .popup-body {
    padding: var(--spacing-md);
    margin: var(--spacing-xs);
  }

  .legal-text {
    padding: var(--spacing-md) var(--spacing-sm);
    margin: 0 var(--spacing-xs);
  }
}

/* 超小屏设备 */
@media (max-width: 360px) {
  .main-wrapper {
    padding: 0 var(--spacing-sm);
  }

  .analysis-box {
    padding: var(--spacing-sm);
  }

  .action-btn {
    font-size: 15px;
    min-height: 44px;
  }
}