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var(--transition-base);font-family:var(--font-family-chinese);box-shadow:var(--shadow-sm)}.example-action-btn[data-v-3c6d5f93]:hover:not(:disabled){background:var(--color-secondary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}.example-action-btn[data-v-3c6d5f93]:active:not(:disabled){transform:translateY(0) scale(.98)}.example-action-btn[data-v-3c6d5f93]:disabled{opacity:.6;cursor:not-allowed}.example-action-btn.generate-btn[data-v-3c6d5f93]{background:var(--gradient-secondary);color:#fff;border-color:var(--color-secondary)}.example-action-btn.generate-btn[data-v-3c6d5f93]:hover:not(:disabled){background:var(--color-secondary-dark);border-color:var(--color-secondary-dark);transform:translateY(-2px)}.example-action-btn.tts-settings-btn[data-v-3c6d5f93]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea;font-size:18px;padding:12px 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.3s}.comparison-card[data-v-21230ff3]:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.comparison-item[data-v-21230ff3]{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:linear-gradient(135deg,#f8f9fa,#fff);border-radius:var(--border-radius-md);border:1px solid var(--color-border-light);transition:all .3s}.comparison-item[data-v-21230ff3]:hover{background:linear-gradient(135deg,#e9ecef,#f8f9fa);border-color:var(--color-primary-light)}.comparison-item .play-btn-small[data-v-21230ff3]{margin-left:auto;margin-right:var(--spacing-xs)}.comparison-symbol[data-v-21230ff3]{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-family:var(--font-family-mono);min-width:60px}.comparison-word[data-v-21230ff3]{flex:1;font-size:var(--font-size-base);color:var(--color-text-primary)}.vs[data-v-21230ff3]{text-align:center;color:var(--color-text-tertiary);font-weight:var(--font-weight-bold);font-size:var(--font-size-sm)}.play-btn-small[data-v-21230ff3]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:var(--border-radius-full);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px;transition:all .3s cubic-bezier(.4,0,.2,1);flex-shrink:0;box-shadow:0 2px 4px #667eea4d}.play-btn-small[data-v-21230ff3]:hover{transform:scale(1.15);box-shadow:0 4px 8px #667eea66}@media (max-width: 768px){.phonetic-grid[data-v-21230ff3],.comparison-grid[data-v-21230ff3]{grid-template-columns:1fr}}.vowels-learning[data-v-f20e524f]{max-width:1200px;padding:var(--spacing-lg)}.intro-section[data-v-f20e524f]{background:linear-gradient(135deg,#667eea,#764ba2);padding:var(--spacing-xxl);border-radius:var(--border-radius-xl);margin-bottom:var(--spacing-xxl);box-shadow:var(--shadow-lg);color:#fff}.intro-section h3[data-v-f20e524f]{margin:0 0 var(--spacing-md) 0;color:#fff;font-size:var(--font-size-xxl);font-weight:var(--font-weight-bold)}.intro-section p[data-v-f20e524f]{margin:0;color:#ffffffe6;line-height:var(--line-height-relaxed);font-size:var(--font-size-base)}.section[data-v-f20e524f]{margin-bottom:var(--spacing-xxl);background:#fff;padding:var(--spacing-xl);border-radius:var(--border-radius-xl);box-shadow:var(--shadow-sm)}.section h3[data-v-f20e524f]{margin:0 0 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var(--color-border-light);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.phonetic-card[data-v-f20e524f]:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,#667eea,#764ba2);transform:scaleY(0);transition:transform .3s}.phonetic-card[data-v-f20e524f]:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--color-primary-light)}.phonetic-card[data-v-f20e524f]:hover:before{transform:scaleY(1)}.phonetic-header[data-v-f20e524f]{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-md);border-bottom:1px solid 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var(--spacing-md) 0;color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:var(--line-height-relaxed)}.example-words[data-v-f20e524f]{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.example-word[data-v-f20e524f]{padding:var(--spacing-sm) var(--spacing-md);background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);color:var(--color-text-primary);border:1px solid transparent}.example-word[data-v-f20e524f]:hover{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;transform:translateY(-2px);box-shadow:0 4px 8px #667eea4d;border-color:transparent}.comparison-grid[data-v-f20e524f]{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg)}.comparison-card[data-v-f20e524f]{background:linear-gradient(135deg,#fff,#f8f9fa);border-radius:var(--border-radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-sm);border:1px solid var(--color-border-light);display:flex;flex-direction:column;gap:var(--spacing-md);transition:all .3s}.comparison-card[data-v-f20e524f]:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.comparison-item[data-v-f20e524f]{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:linear-gradient(135deg,#f8f9fa,#fff);border-radius:var(--border-radius-md);border:1px solid var(--color-border-light);transition:all .3s}.comparison-item[data-v-f20e524f]:hover{background:linear-gradient(135deg,#e9ecef,#f8f9fa);border-color:var(--color-primary-light)}.comparison-item .play-btn-small[data-v-f20e524f]{margin-left:auto;margin-right:var(--spacing-xs)}.comparison-symbol[data-v-f20e524f]{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-family:var(--font-family-mono);min-width:60px}.comparison-word[data-v-f20e524f]{flex:1;font-size:var(--font-size-base);color:var(--color-text-primary)}.vs[data-v-f20e524f]{text-align:center;color:var(--color-text-tertiary);font-weight:var(--font-weight-bold);font-size:var(--font-size-sm)}.play-btn-small[data-v-f20e524f]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:var(--border-radius-full);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px;transition:all .3s cubic-bezier(.4,0,.2,1);flex-shrink:0;box-shadow:0 2px 4px #667eea4d}.play-btn-small[data-v-f20e524f]:hover{transform:scale(1.15);box-shadow:0 4px 8px #667eea66}@media (max-width: 768px){.phonetic-grid[data-v-f20e524f],.comparison-grid[data-v-f20e524f]{grid-template-columns:1fr}}.spelling-rules[data-v-060296a3]{max-width:1200px}.intro-section[data-v-060296a3]{background:#fff;padding:var(--spacing-xl);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-sm)}.intro-section h3[data-v-060296a3]{margin:0 0 var(--spacing-md) 0;color:var(--color-primary);font-size:var(--font-size-xl)}.intro-section p[data-v-060296a3]{margin:0;color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.section[data-v-060296a3]{margin-bottom:var(--spacing-xxl)}.section h3[data-v-060296a3]{margin:0 0 var(--spacing-lg) 0;color:var(--color-text-primary);font-size:var(--font-size-lg);padding-bottom:var(--spacing-sm);border-bottom:2px solid 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var(--spacing-lg) 0;color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.syllable-examples[data-v-060296a3]{display:flex;flex-direction:column;gap:var(--spacing-md)}.example-item[data-v-060296a3]{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-bg-tertiary);border-radius:var(--border-radius-md)}.example-phonetic[data-v-060296a3]{font-family:var(--font-family-mono);color:var(--color-text-secondary);font-size:var(--font-size-sm)}.stress-rules[data-v-060296a3]{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg)}.stress-card[data-v-060296a3]{background:#fff;border-radius:var(--border-radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm)}.stress-card h4[data-v-060296a3]{margin:0 0 var(--spacing-sm) 0;color:var(--color-primary);font-size:var(--font-size-base)}.stress-card p[data-v-060296a3]{margin:0 0 var(--spacing-md) 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768px){.rules-grid[data-v-060296a3],.syllable-types[data-v-060296a3],.stress-rules[data-v-060296a3]{grid-template-columns:1fr}}.combinations[data-v-9df346c9]{max-width:1200px}.intro-section[data-v-9df346c9]{background:#fff;padding:var(--spacing-xl);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-sm)}.intro-section h3[data-v-9df346c9]{margin:0 0 var(--spacing-md) 0;color:var(--color-primary);font-size:var(--font-size-xl)}.intro-section p[data-v-9df346c9]{margin:0;color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.section[data-v-9df346c9]{margin-bottom:var(--spacing-xxl)}.section h3[data-v-9df346c9]{margin:0 0 var(--spacing-lg) 0;color:var(--color-text-primary);font-size:var(--font-size-lg);padding-bottom:var(--spacing-sm);border-bottom:2px solid 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var(--transition-base)}input:focus,textarea:focus,select:focus{outline:none}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:var(--color-bg-secondary);border-radius:var(--border-radius-full)}::-webkit-scrollbar-thumb{background:var(--gradient-primary);border-radius:var(--border-radius-full);border:2px solid var(--color-bg-secondary)}::-webkit-scrollbar-thumb:hover{background:var(--color-primary-dark)}.container{max-width:var(--container-max-width);margin:0 auto;padding:0 var(--spacing-xl)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.p-sm{padding:var(--spacing-sm)}.p-md{padding:var(--spacing-md)}.p-lg{padding:var(--spacing-lg)}.p-xl{padding:var(--spacing-xl)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-fade-in{animation:fadeIn .5s ease-in}.animate-slide-up{animation:slideUp .5s ease-out}.animate-scale-in{animation:scaleIn .4s ease-out}.animate-bounce{animation:bounce 1s ease-in-out infinite}.animate-pulse{animation:pulse 2s ease-in-out infinite}.animate-shake{animation:shake .5s ease-in-out}.animate-rotate{animation:rotate 2s linear infinite}.animate-float{animation:float 3s ease-in-out infinite}@media (max-width: 768px){.container{padding:0 var(--spacing-lg)}body{font-size:var(--font-size-sm)}}