/* 声境 - 黑金奢华设计 */

:root {
  /* 黑金配色 */
  --bg-primary: #0a0a0a;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #b8b8b8;
  --text-tertiary: #808080;
  --accent-gold: #d4af37;
  --accent-gold-light: #f4d03f;
  --accent-gold-dark: #b8941e;
  --accent-blue: #87CEEB;
  --accent-blue-dark: #4A90A4;
  --accent-green: #34D399;
  --accent-red: #EF4444;
  --border-light: #2a2a2a;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  
  /* 玻璃态专用配色 - 黑金 */
  --glass-bg: rgba(26, 26, 26, 0.7);
  --glass-border: rgba(212, 175, 55, 0.3);
  --glass-shadow: rgba(0, 0, 0, 0.6);
  --gold-glow: rgba(212, 175, 55, 0.15);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* 禁用移动端点击高亮 */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: radial-gradient(ellipse at top, #1a1a1a 0%, #0a0a0a 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
}

/* 移动端优化：允许滚动 */
@media (max-width: 768px) {
  body {
    display: block;
    padding: 1rem;
    min-height: 100vh;
  }
  
  .container {
    margin: 2rem auto;
  }
}

/* 金色光晕背景 */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 30% 40%, var(--gold-glow) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, var(--gold-glow) 0%, transparent 50%);
  animation: gold-float 25s ease-in-out infinite;
  z-index: 0;
}

@keyframes gold-float {
  0%, 100% { 
    transform: translate(0, 0) scale(1);
    opacity: 0.4;
  }
  50% { 
    transform: translate(5%, -5%) scale(1.1);
    opacity: 0.6;
  }
}

/* 细腻噪点纹理 */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

#heartbeat-orb {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 520px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-radius: 24px;
  box-shadow: 
    0 8px 32px var(--glass-shadow),
    0 0 0 1px var(--glass-border) inset,
    0 0 60px var(--gold-glow);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--glass-border);
  z-index: 2;
  animation: container-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 金色反光效果 */
.container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(212, 175, 55, 0.1) 45%,
    rgba(244, 208, 63, 0.2) 50%,
    rgba(212, 175, 55, 0.1) 55%,
    transparent 100%
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.container:hover::before {
  transform: translateX(100%);
}

/* 金色边缘高光 */
.container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(
    135deg,
    var(--accent-gold) 0%,
    transparent 30%,
    transparent 70%,
    var(--accent-gold) 100%
  );
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.5;
}
.container::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s ease;
  pointer-events: none;
}

.container:hover::before {
  left: 100%;
}

@keyframes container-entrance {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ========== Main Content ========== */
.main {
  padding: 2rem;
  background: rgba(0, 0, 0, 0.1);
  animation: fade-in 0.8s ease 0.7s both;
}

/* ========== 音色选择器 ========== */
.voice-selector {
  margin-bottom: 2rem;
}

.voice-selector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  /* 禁用移动端点击高亮 */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.voice-selector-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
  transition: left 0.5s ease;
}

.voice-selector-header:hover::before {
  left: 100%;
}

.voice-selector-header::after {
  content: '▼';
  font-size: 0.75rem;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  color: var(--text-tertiary);
}

.voice-selector-header:hover {
  background: rgba(0, 0, 0, 0.2);
  border-color: var(--accent-gold);
  box-shadow: 
    var(--shadow-sm),
    0 0 0 3px rgba(212, 175, 55, 0.1);
  transform: translateY(-1px);
}

.voice-selector-header:active {
  transform: translateY(0);
  transition: all 0.1s ease;
}

.voice-selector-header.open::after {
  transform: rotate(180deg);
}

.voice-selector-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.voice-selector-header:hover .voice-selector-title {
  color: var(--accent-gold);
}

.voice-selector-current {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.75rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 0;
}

.voice-grid.open {
  max-height: 600px;
  margin-top: 1rem;
}

.voice-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  /* 禁用移动端点击高亮 */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.voice-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.voice-card:active::before {
  width: 200px;
  height: 200px;
}

.voice-card:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 
    var(--shadow-md),
    0 0 0 2px var(--accent-blue);
  border-color: var(--accent-gold);
}

.voice-card:active {
  transform: translateY(-2px) scale(1.01);
  transition: all 0.1s ease;
}

.voice-card.selected {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
  color: white;
  border-color: var(--accent-gold);
  box-shadow: 
    var(--shadow-md),
    0 0 0 3px rgba(212, 175, 55, 0.2);
  animation: selected-glow 2s ease-in-out infinite;
}

@keyframes selected-glow {
  0%, 100% {
    box-shadow: 
      var(--shadow-md),
      0 0 0 3px rgba(212, 175, 55, 0.2);
  }
  50% {
    box-shadow: 
      var(--shadow-md),
      0 0 0 3px rgba(212, 175, 55, 0.4),
      0 0 20px rgba(212, 175, 55, 0.2);
  }
}

.voice-card-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.voice-card-icon img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-light);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.voice-card:hover .voice-card-icon {
  transform: scale(1.2) rotate(5deg);
}

.voice-card:hover .voice-card-icon img {
  border-color: var(--accent-gold);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.voice-card.selected .voice-card-icon img {
  border-color: white;
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.4);
}

.voice-card-name {
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 0.25rem;
}

.voice-card-type {
  font-size: 0.75rem;
  text-align: center;
  opacity: 0.7;
}

/* ========== Controls ========== */
.controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.orb-container {
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.4));
  position: relative;
  border-radius: 50%;
  overflow: hidden;
  /* 禁用移动端点击效果 */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.orb-container:hover {
  transform: scale(1.08) translateY(-4px);
  filter: drop-shadow(0 8px 30px rgba(212, 175, 55, 0.6));
}

.orb-container:active {
  transform: scale(0.95) translateY(0);
  filter: drop-shadow(0 2px 10px rgba(212, 175, 55, 0.8));
  transition: all 0.1s ease;
}

/* 点击动画 */
.orb-container.activating {
  animation: orb-activate 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.orb-container.closing {
  animation: orb-close 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 激活动画：放大 + 金色闪光（更慢更丝滑） */
@keyframes orb-activate {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.4));
  }
  40% {
    transform: scale(1.12);
    filter: drop-shadow(0 0 40px rgba(212, 175, 55, 0.9)) brightness(1.2);
  }
  100% {
    transform: scale(1);
    filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.4));
  }
}

/* 关闭动画：缩小 + 暗淡（更慢更丝滑） */
@keyframes orb-close {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.4)) brightness(1);
  }
  50% {
    transform: scale(0.88);
    filter: drop-shadow(0 2px 10px rgba(212, 175, 55, 0.2)) brightness(0.75);
  }
  100% {
    transform: scale(1);
    filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.4)) brightness(1);
  }
}

.orb-container.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

button {
  font-family: inherit;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  /* 禁用移动端点击高亮 */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

button:active::before {
  width: 300px;
  height: 300px;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ========== Status ========== */
.status {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.8125rem;
  text-align: center;
  margin-bottom: 2rem;
  background: transparent;
  color: var(--text-tertiary);
  border: none;
  font-weight: 400;
  letter-spacing: 0.3px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.status.connected {
  color: var(--accent-gold);
}

.status.recording {
  color: var(--accent-red);
  animation: pulse-opacity 1.5s ease-in-out infinite;
}

@keyframes pulse-opacity {
  0%, 100% { 
    opacity: 1;
  }
  50% { 
    opacity: 0.6;
  }
}

.status.processing {
  color: #F59E0B;
  animation: processing-pulse 1.5s ease-in-out infinite;
}

@keyframes processing-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.status.error {
  color: var(--accent-red);
  animation: shake 0.5s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ========== Messages ========== */
.messages-section {
  margin-top: 2rem;
}

.messages-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.messages {
  max-height: 400px;
  overflow-y: auto;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  border: 1px solid var(--border-light);
  scroll-behavior: smooth;
}

.messages::-webkit-scrollbar {
  width: 8px;
}

.messages::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 4px;
}

.messages::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
  transition: background 0.3s ease;
}

.messages::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

.messages::-webkit-scrollbar-thumb:active {
  background: var(--accent-blue);
}

.message {
  margin-bottom: 1.5rem;
  animation: slideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  transition: all 0.3s ease;
}

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

.message:hover {
  transform: translateX(4px);
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  border: 2px solid var(--accent-gold);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

/* 金色光晕背景 */
.message-avatar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 30%, rgba(212, 175, 55, 0.3) 0%, transparent 70%);
  opacity: 1;
  z-index: 0;
}

.message-avatar svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  position: relative;
  z-index: 1;
}

.message:hover .message-avatar {
  transform: scale(1.1) rotate(5deg);
  border-color: var(--accent-gold-light);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.message.user .message-avatar {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.message.ai .message-avatar {
  background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
  border-color: var(--accent-gold-light);
  color: var(--accent-gold-light);
}

.message-body {
  flex: 1;
  min-width: 0;
}

.message-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.message-content {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  font-size: 0.9375rem;
  line-height: 1.6;
  border: 1px solid rgba(212, 175, 55, 0.25);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.8) 0%, rgba(42, 42, 42, 0.6) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* 气泡内部金色光晕 */
.message-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top left, rgba(212, 175, 55, 0.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.message-content > * {
  position: relative;
  z-index: 1;
}

.message:hover .message-content {
  border-color: var(--accent-gold);
  box-shadow: 
    0 4px 12px rgba(212, 175, 55, 0.25),
    0 0 30px rgba(212, 175, 55, 0.15) inset;
  transform: translateX(2px);
}

.message.user .message-content {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.85) 0%, rgba(42, 42, 42, 0.65) 100%);
  color: rgba(255, 255, 255, 0.95);
  border-color: rgba(212, 175, 55, 0.3);
}

.message.ai .message-content {
  background: linear-gradient(135deg, rgba(42, 42, 42, 0.85) 0%, rgba(26, 26, 26, 0.65) 100%);
  color: rgba(255, 255, 255, 0.95);
  border-color: rgba(244, 208, 63, 0.3);
}

.message-content.typing {
  opacity: 0.7;
  font-style: italic;
}

.message-content.typing::after {
  content: '▊';
  animation: cursor-blink 1s step-end infinite;
  margin-left: 4px;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.message-content code {
  background: rgba(0, 0, 0, 0.6);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  font-size: 0.875rem;
  color: var(--accent-gold-light);
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.1) inset;
}

.message-content .math-block {
  background: rgba(0, 0, 0, 0.6);
  padding: 1rem;
  margin: 0.75rem 0;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.1) inset;
}

.message-content .math-block code {
  background: transparent;
  padding: 0;
  display: block;
  white-space: pre-wrap;
  word-break: break-word;
  border: none;
}

.message-content strong {
  font-weight: 600;
  color: var(--accent-gold-light);
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-tertiary);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-text {
  font-size: 0.875rem;
}

/* ========== Footer ========== */
.footer {
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-light);
}

/* ========== Responsive ========== */
@media (max-width: 640px) {
  body {
    padding: 1rem;
  }

  .header {
    padding: 2rem 1.5rem 1.5rem;
  }

  h1 {
    font-size: 1.25rem;
  }

  .logo {
    font-size: 2.5rem;
  }

  .main {
    padding: 1.5rem;
  }

  .talk-btn {
    width: 140px;
    height: 140px;
  }

  .btn-icon {
    font-size: 2rem;
  }

  .btn-text {
    font-size: 0.875rem;
  }

  .footer {
    padding: 1.25rem 1.5rem;
  }

  .message-avatar {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
  }

  .voice-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}

/* ========== 动画效果 ========== */
/* 激活涟漪：向外扩散（更慢更丝滑） */
@keyframes ripple-expand {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(10);
    opacity: 0;
  }
}

/* 旧的涟漪效果（保留兼容） */
@keyframes ripple-effect {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(10);
    opacity: 0;
  }
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 选中文本样式 */
::selection {
  background: rgba(212, 175, 55, 0.3);
  color: var(--text-primary);
}

/* 焦点样式 */
*:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
  border-radius: 4px;
}