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#0000001a}.mode-icon{font-size:28px}.mode-title{font-size:17px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-2)}.mode-description{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:var(--space-4)}.mode-features{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:var(--space-5)}.mode-feature-tag{font-size:12px;padding:4px 10px;background:#10b98126;color:var(--speaking-dark);border-radius:var(--radius-full)}.mode-card-actions{margin-top:auto;padding-top:var(--space-2)}.mode-card-actions a{display:block}.scenarios-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-4)}.scenario-card{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);padding:var(--space-6);background:linear-gradient(135deg,#fafafa,#f5f5f5);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);text-decoration:none;color:var(--text-primary);transition:all .3s ease;border:1px solid #e5e5e5}.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--speaking-light)}.scenario-emoji{font-size:36px;transition:transform .3s ease}.scenario-card:hover .scenario-emoji{transform:scale(1.15)}.scenario-name{font-size:14px;font-weight:500}.topics-card{background:linear-gradient(135deg,#fafafa,#f5f5f5);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid #e5e5e5}.topics-card .card-content{padding:var(--space-4) var(--space-6)}.topics-list{display:flex;flex-direction:column}.topic-item{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4) 0;text-decoration:none;color:var(--text-primary);transition:all .2s ease;border-bottom:1px solid var(--border)}.topic-item:last-child{border-bottom:none}.topic-item:hover{background:transparent}.topic-item:hover .topic-name{color:var(--speaking)}.topic-number{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--speaking);color:#fff;border-radius:50%;font-size:12px;font-weight:600;flex-shrink:0}.topic-name{flex:1;font-size:15px;transition:color .2s ease}.topic-item svg{flex-shrink:0;color:var(--text-muted)}.stats-preview{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-4)}.stat-card{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border:1px solid #bbf7d0;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all .3s ease;text-align:center}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.stat-card .card-content{padding:var(--space-6)}.stat-card .stat-icon{font-size:32px;margin-bottom:var(--space-3)}.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-1)}.stat-card .stat-label{font-size:13px;color:var(--text-secondary)}@media (max-width: 1200px){.practice-modes-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 1024px){.scenarios-grid,.stats-preview{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.speaking-header{flex-direction:column;gap:var(--space-5);text-align:center;padding:var(--space-6)}.speaking-title{font-size:24px;justify-content:center}.practice-modes-grid{grid-template-columns:1fr}.scenarios-grid,.stats-preview{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.scenarios-grid,.stats-preview{grid-template-columns:1fr}}.speaking-chat-page{display:flex;flex-direction:column;height:calc(100vh - 112px);background:linear-gradient(135deg,#fafafa,#f5f5f5);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--border)}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-4) var(--space-6);border-bottom:1px solid var(--border);background:linear-gradient(135deg,#10b98114,#34d3990d)}.chat-header-info{display:flex;align-items:center;gap:var(--space-3)}.chat-avatar{width:48px;height:48px;background:var(--gradient-speaking);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 4px 12px #10b9814d;animation:float 3s ease-in-out infinite}.chat-info{display:flex;flex-direction:column}.chat-title{font-size:18px;font-weight:600;color:var(--text-primary)}.chat-subtitle{font-size:13px;color:var(--text-secondary)}.chat-actions{display:flex;gap:var(--space-2)}.chat-action-btn{width:40px;height:40px;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:1px solid var(--border);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);transition:all .2s ease}.chat-action-btn:hover{background:var(--surface-hover);color:var(--speaking);border-color:var(--speaking-light);transform:translateY(-2px)}.chat-action-btn.active{background:#10b9811a;border-color:var(--speaking-light);color:var(--speaking)}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-4);background:linear-gradient(180deg,#fafafa,#fff)}.message{display:flex;gap:var(--space-3);max-width:85%;animation:fadeIn .3s ease-out}.message.user{align-self:flex-end;flex-direction:row-reverse}.message.ai{align-self:flex-start}.message-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;box-shadow:0 2px 8px #0000001a}.message.user .message-avatar{background:var(--gradient-primary)}.message.ai .message-avatar{background:var(--gradient-speaking)}.message-content{display:flex;flex-direction:column;gap:4px}.message.user .message-content{align-items:flex-end}.message-bubble{padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);max-width:100%;word-wrap:break-word;box-shadow:var(--shadow-sm);transition:all .2s ease}.message.user .message-bubble{background:var(--gradient-primary);color:#fff;border-bottom-right-radius:4px}.message.ai .message-bubble{background:linear-gradient(135deg,#f8fafc,#f1f5f9);color:var(--text-primary);border-bottom-left-radius:4px;border:1px solid var(--border)}.message-bubble:hover{box-shadow:var(--shadow-md)}.message-text{font-size:15px;line-height:1.6;margin:0}.message-time{font-size:11px;color:var(--text-muted)}.message-meta{display:flex;align-items:center;gap:8px}.speak-btn{background:none;border:none;cursor:pointer;font-size:14px;padding:2px 4px;border-radius:4px;opacity:.6;transition:opacity .2s}.speak-btn:hover{opacity:1}.typing-indicator{display:flex;gap:4px;padding:var(--space-2) var(--space-3)}.typing-indicator span{width:8px;height:8px;background:var(--speaking);border-radius:50%;animation:typing 1.4s infinite ease-in-out both}@keyframes typing{0%,80%,to{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}.feedback-panel{padding:var(--space-4) var(--space-6);background:linear-gradient(135deg,#10b9810d,#34d39908);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.feedback-header{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-3);display:flex;align-items:center;gap:var(--space-2)}.feedback-header:before{content:"📊"}.feedback-metrics{display:flex;gap:var(--space-6)}.feedback-metric{display:flex;align-items:center;gap:var(--space-3);flex:1;padding:var(--space-2);background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border)}.metric-label{font-size:13px;color:var(--text-secondary);min-width:48px;font-weight:500}.metric-bar{flex:1;height:8px;background:var(--border);border-radius:var(--radius-full);overflow:hidden}.metric-fill{height:100%;background:var(--gradient-speaking);border-radius:var(--radius-full);transition:width .5s ease}.metric-value{font-size:14px;font-weight:600;color:var(--speaking-dark);min-width:32px;text-align:right}.chat-input-area{padding:var(--space-4) var(--space-6);background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-top:1px solid var(--border)}.chat-input-wrapper{display:flex;align-items:center;gap:var(--space-3);background:var(--surface-hover);border-radius:var(--radius-xl);padding:var(--space-2);border:1px solid transparent;transition:all .2s ease}.chat-input-wrapper:focus-within{border-color:var(--speaking-light);background:#fff;box-shadow:0 0 0 4px #10b9811a}.chat-input{flex:1;background:transparent;border:none;padding:var(--space-2);font-size:15px;color:var(--text-primary);outline:none}.chat-input::placeholder{color:var(--text-muted)}.send-btn{width:44px;height:44px;background:var(--gradient-speaking);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;transition:all .2s ease;flex-shrink:0;box-shadow:0 4px 12px #10b9814d}.send-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 6px 16px #10b98166}.send-btn:disabled{background:var(--text-muted);cursor:not-allowed;box-shadow:none}.chat-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--text-secondary)}.chat-empty-state-icon{font-size:64px;margin-bottom:var(--space-4);opacity:.5}.input-mode-toggle{display:flex;gap:4px;margin-bottom:var(--space-3);background:#e2e8f0;border-radius:var(--radius-md);padding:3px;width:fit-content}.mode-toggle-btn{padding:6px 16px;border:none;background:transparent;border-radius:6px;font-size:13px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.mode-toggle-btn.active{background:#fff;color:var(--speaking-dark);box-shadow:0 1px 3px #0000001a}.voice-input-area{display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.voice-preview{width:100%;display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border)}.voice-preview-text{flex:1;font-size:15px;color:var(--text-primary);line-height:1.5}.voice-clear-btn{width:28px;height:28px;border:none;background:#f1f5f9;border-radius:50%;cursor:pointer;font-size:14px;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}.voice-clear-btn:hover{background:#fee2e2;color:#dc2626}.voice-buttons{display:flex;align-items:center;gap:var(--space-4)}.voice-record-btn{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);background:none;border:none;cursor:pointer;padding:var(--space-2)}.voice-record-btn:disabled{opacity:.5;cursor:not-allowed}.record-btn-inner{width:72px;height:72px;border-radius:50%;background:var(--gradient-speaking);display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 4px 16px #10b98166;transition:all .3s ease}.voice-record-btn:hover:not(:disabled) .record-btn-inner{transform:scale(1.08);box-shadow:0 6px 24px #10b98180}.voice-record-btn.recording .record-btn-inner{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 4px 16px #ef444466}.record-pulse{position:absolute;top:-8px;right:-8px;bottom:-8px;left:-8px;border-radius:50%;border:3px solid rgba(239,68,68,.4);animation:pulse-ring 1.5s ease-out infinite}@keyframes pulse-ring{0%{transform:scale(.9);opacity:1}to{transform:scale(1.3);opacity:0}}.record-icon{font-size:28px;z-index:1}.record-label{font-size:13px;color:var(--text-secondary);font-weight:500}.voice-send-btn{padding:12px 28px;background:var(--gradient-speaking);color:#fff;border:none;border-radius:var(--radius-lg);font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 4px 12px #10b9814d;transition:all .2s ease}.voice-send-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #10b98166}.voice-send-btn:disabled{opacity:.5;cursor:not-allowed}.voice-unsupported{font-size:14px;color:var(--text-secondary);text-align:center;padding:var(--space-3)}.voice-status{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-6);background:linear-gradient(135deg,#10b9811a,#34d3990d);border-top:1px solid rgba(16,185,129,.2)}.voice-wave{display:flex;align-items:center;gap:3px;height:24px}.voice-wave span{width:3px;background:var(--speaking);border-radius:2px;animation:wave 1s ease-in-out infinite}.voice-wave span:nth-child(1){height:8px;animation-delay:0s}.voice-wave span:nth-child(2){height:16px;animation-delay:.1s}.voice-wave span:nth-child(3){height:24px;animation-delay:.2s}.voice-wave span:nth-child(4){height:16px;animation-delay:.3s}.voice-wave span:nth-child(5){height:8px;animation-delay:.4s}@keyframes wave{0%,to{transform:scaleY(.5)}50%{transform:scaleY(1)}}.voice-status-text{font-size:13px;color:var(--speaking-dark);font-weight:500}.voice-interim{font-size:13px;color:var(--text-muted);font-style:italic;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 768px){.speaking-chat-page{border-radius:0;height:calc(100vh - 80px)}.chat-header{padding:var(--space-3) var(--space-4)}.chat-messages{padding:var(--space-4)}.message{max-width:90%}.feedback-metrics{flex-direction:column;gap:var(--space-2)}.chat-input-area{padding:var(--space-3) var(--space-4)}}.speaking-history-page{max-width:900px;margin:0 auto}.history-list{display:flex;flex-direction:column;gap:var(--space-4)}.history-card{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border:1px solid #bbf7d0;border-radius:var(--radius-lg);cursor:pointer;transition:all .3s ease}.history-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--speaking-light)}.history-card .card-content{display:flex;justify-content:space-between;align-items:center;padding:var(--space-5)}.history-info{flex:1}.history-topic{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-2)}.history-meta{display:flex;gap:var(--space-3);font-size:13px;align-items:center}.history-mode{background:#10b98126;color:var(--speaking-dark);padding:3px 10px;border-radius:var(--radius-full);font-weight:500}.history-date,.history-duration{color:var(--text-muted)}.history-score{text-align:center;padding-left:var(--space-6);border-left:1px solid var(--border);margin-left:var(--space-4)}.score-value{display:block;font-size:32px;font-weight:700;color:var(--speaking);line-height:1}.score-label{font-size:12px;color:var(--text-muted);margin-top:4px}@media (max-width: 640px){.history-card .card-content{flex-direction:column;align-items:flex-start;gap:var(--space-4)}.history-score{padding-left:0;border-left:none;margin-left:0;padding-top:var(--space-4);border-top:1px solid 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0}.btn-ghost:hover:not(:disabled){background:var(--bg-tertiary)}.card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);transition:all var(--transition-base);overflow:hidden}.card:hover{background:var(--glass-bg-hover);box-shadow:var(--shadow-xl)}.card-elevated{background:var(--bg-elevated);border:1px solid var(--border-subtle);box-shadow:var(--shadow-lg)}.input{width:100%;padding:var(--space-3) var(--space-4);font-family:var(--font-sans);color:var(--text-primary);background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--border-default);border-radius:var(--radius-md);transition:all var(--transition-base);font-size:14px;line-height:1.5}.input::placeholder{color:var(--text-tertiary)}.input:focus{border-color:var(--primary);background:#ffffffe6;outline:none;box-shadow:0 0 0 3px #6366f11a}.tag{padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);transition:all var(--transition-fast);align-items:center;font-size:12px;font-weight:500;display:inline-flex}.tag-sm{padding:2px var(--space-2);font-size:11px}.badge{min-width:20px;height:20px;padding:0 var(--space-1);border-radius:var(--radius-full);background:var(--primary);color:var(--text-inverse);justify-content:center;align-items:center;font-size:11px;font-weight:600;display:inline-flex}.badge-lg{min-width:24px;height:24px;font-size:12px}.progress-bar{background:var(--bg-tertiary);border-radius:var(--radius-full);height:8px;overflow:hidden}.progress-fill{background:var(--primary-gradient);border-radius:var(--radius-full);height:100%;transition:width var(--transition-slow)}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-secondary) 50%,var(--bg-tertiary) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite shimmer}.page{min-height:100vh;padding:var(--space-8)}.page-header{margin-bottom:var(--space-8);animation:.5s ease-out fadeIn}.page-title{font-family:var(--font-heading);color:var(--text-primary);letter-spacing:-.02em;margin-bottom:var(--space-2);font-size:32px;font-weight:700}.page-subtitle{color:var(--text-secondary);font-size:16px;font-weight:400}.page-content{animation:.5s ease-out slideUp}.module-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:var(--space-6);transition:all var(--transition-base);cursor:pointer}.module-card:hover{box-shadow:var(--shadow-xl);background:var(--glass-bg-hover);transform:translateY(-4px)}.module-card-primary{background:var(--primary-gradient);color:var(--text-inverse);border:none}.module-card-primary:hover{box-shadow:var(--shadow-xl),var(--shadow-glow);transform:translateY(-4px)scale(1.02)}.stat-card{background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-5);transition:all var(--transition-base)}.stat-card:hover{border-color:var(--border-default);box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-value{font-family:var(--font-heading);color:var(--text-primary);letter-spacing:-.01em;font-size:28px;font-weight:700}.stat-label{color:var(--text-secondary);margin-top:var(--space-1);font-size:13px}@media (max-width:1024px){.container{padding:0 var(--space-4)}.page{padding:var(--space-6)}}@media (max-width:768px){:root{--space-16:48px;--space-20:64px}.page-title,.stat-value{font-size:24px}}@media (max-width:640px){.btn-lg{width:100%}.stat-card{padding:var(--space-4)}}@media print{body:before,body:after{display:none}.no-print{display:none!important}}@media (prefers-color-scheme:dark){:root{--bg-primary:#1a1a2e;--bg-secondary:#16162a;--bg-tertiary:#1f2937;--bg-elevated:#1e1e2f;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-tertiary:#94a3b8;--border-subtle:#ffffff0d;--border-default:#ffffff1a;--border-strong:#fff3;--glass-bg:#00000080;--glass-bg-hover:#0009}}.progress-fill{background:var(--primary-gradient)}.progress-fill-speaking{background:var(--speaking-gradient)}.progress-fill-reading{background:var(--reading-gradient)}.progress-fill-writing{background:var(--writing-gradient)}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-space-x-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-gradient-position{syntax:"*";inherits:false}@property --tw-gradient-from{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-via{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-to{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-stops{syntax:"*";inherits:false}@property --tw-gradient-via-stops{syntax:"*";inherits:false}@property --tw-gradient-from-position{syntax:"<length-percentage>";inherits:false;initial-value:0%}@property --tw-gradient-via-position{syntax:"<length-percentage>";inherits:false;initial-value:50%}@property --tw-gradient-to-position{syntax:"<length-percentage>";inherits:false;initial-value:100%}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.5}}@keyframes bounce{0%,to{animation-timing-function:cubic-bezier(.8,0,1,1);transform:translateY(-25%)}50%{animation-timing-function:cubic-bezier(0,0,.2,1);transform:none}}