:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--bg: #0f0f1a;--bg-card: #1a1a2e;--bg-input: #16162a;--text: #e2e8f0;--text-muted: #94a3b8;--border: #2d2d4a;--success: #22c55e;--warning: #f59e0b;--error: #ef4444;--tab-height: 56px;--header-height: 48px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}.app{display:flex;flex-direction:column;height:100%;max-width:430px;margin:0 auto;position:relative}.header{height:var(--header-height);display:flex;align-items:center;justify-content:center;padding:0 16px;background:var(--bg);border-bottom:1px solid var(--border);flex-shrink:0;position:relative;z-index:10}.header-title{font-size:16px;font-weight:600;color:var(--text)}.header-logo{display:flex;align-items:center;gap:8px}.header-logo-icon{width:24px;height:24px;background:linear-gradient(135deg,var(--primary-light),var(--primary));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;font-weight:700}.main-content{flex:1;overflow-y:auto;overflow-x:hidden;scroll-behavior:smooth;-webkit-overflow-scrolling:touch}.main-content::-webkit-scrollbar{width:4px}.main-content::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.tab-bar{height:var(--tab-height);display:flex;background:var(--bg-card);border-top:1px solid var(--border);flex-shrink:0;padding-bottom:env(safe-area-inset-bottom,0)}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;transition:color .2s;color:var(--text-muted);-webkit-tap-highlight-color:transparent;padding:4px 0}.tab-item.active{color:var(--primary-light)}.tab-icon{font-size:20px;line-height:1}.tab-label{font-size:10px;font-weight:500}.page{padding:16px;min-height:100%}.card{background:var(--bg-card);border-radius:16px;padding:16px;margin-bottom:12px;border:1px solid var(--border)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:12px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:none;outline:none;-webkit-tap-highlight-color:transparent}.btn-primary{background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff}.btn-primary:active{transform:scale(.97);opacity:.9}.btn-secondary{background:var(--bg-input);color:var(--text);border:1px solid var(--border)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-full{width:100%}.input-wrapper{position:relative;margin-bottom:12px}.input{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:12px;padding:12px 16px;font-size:15px;color:var(--text);outline:none;transition:border-color .2s}.input:focus{border-color:var(--primary)}.input::placeholder{color:var(--text-muted)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:500}.badge-primary{background:#6366f126;color:var(--primary-light)}.badge-success{background:#22c55e26;color:var(--success)}.badge-warning{background:#f59e0b26;color:var(--warning)}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-input) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:8px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.step-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.step-item{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted)}.step-icon{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0}.step-icon.done{background:#22c55e26;color:var(--success)}.step-icon.processing{background:#6366f126;color:var(--primary-light)}.step-icon.pending{background:var(--bg-input);color:var(--text-muted)}.platform-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:12px;background:var(--bg-input);border:1px solid var(--border)}.video-container{width:100%;border-radius:12px;overflow:hidden;background:#000;aspect-ratio:16/9}.video-container video{width:100%;height:100%;object-fit:contain}.trend-item{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.trend-item:last-child{border-bottom:none}.trend-rank{font-size:18px;font-weight:700;color:var(--primary-light);min-width:24px}.trend-content{flex:1}.trend-topic{font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px}.trend-meta{font-size:12px;color:var(--text-muted);display:flex;gap:8px;flex-wrap:wrap}.clip-item{display:flex;gap:12px;padding:12px;background:var(--bg-input);border-radius:12px;margin-bottom:8px;cursor:pointer;transition:background .2s}.clip-item:active{background:var(--border)}.clip-index{width:28px;height:28px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0}.clip-info{flex:1;min-width:0}.clip-summary{font-size:13px;color:var(--text);margin-bottom:4px;line-height:1.4}.clip-duration{font-size:11px;color:var(--text-muted)}.clip-actions{display:flex;gap:8px;align-items:center}.scene-cards{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.scene-card{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-card);border-radius:12px;border:1px solid var(--border);cursor:pointer;transition:all .2s}.scene-card:active{background:var(--bg-input);transform:scale(.98)}.scene-card-icon{font-size:24px;flex-shrink:0}.scene-card-content{flex:1}.scene-card-title{font-size:14px;font-weight:500;color:var(--text);margin-bottom:2px}.scene-card-hint{font-size:12px;color:var(--primary-light)}.scene-card-arrow{color:var(--text-muted);font-size:16px}.scene-card-disabled{opacity:.6;pointer-events:none}.scene-card-soon{font-size:11px;color:var(--warning);background:#f59e0b26;padding:2px 8px;border-radius:10px;flex-shrink:0}.message-list{display:flex;flex-direction:column;gap:12px;padding-bottom:8px}.message{display:flex;flex-direction:column;max-width:85%}.message.user{align-self:flex-end}.message.bot{align-self:flex-start}.message-bubble{padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5}.message.user .message-bubble{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-bottom-right-radius:4px}.message.bot .message-bubble{background:var(--bg-card);color:var(--text);border:1px solid var(--border);border-bottom-left-radius:4px}.download-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;border-radius:10px;font-size:13px;font-weight:500;text-decoration:none;cursor:pointer;border:none;transition:all .2s}.download-btn:active{transform:scale(.95)}.select{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-size:14px;color:var(--text);outline:none;cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none}.select option{background:var(--bg-card)}.divider{height:1px;background:var(--border);margin:12px 0}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.tag{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--text-muted);cursor:pointer;transition:all .2s}.tag.active{background:#6366f126;border-color:var(--primary);color:var(--primary-light)}.toast{position:fixed;bottom:calc(var(--tab-height) + 16px);left:50%;transform:translate(-50%);background:var(--bg-card);border:1px solid var(--border);padding:10px 20px;border-radius:24px;font-size:13px;color:var(--text);z-index:100;animation:toast-in .3s ease;white-space:nowrap}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.heat-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:2px;transition:width .5s ease}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg)}.login-container{width:100%;max-width:360px}.login-header{text-align:center;margin-bottom:32px}.login-header .logo-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--primary-light),var(--primary));border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#fff;margin:0 auto 16px}.login-header .logo-title{font-size:20px;font-weight:600;margin-bottom:4px}.login-header .logo-subtitle{font-size:14px;color:var(--text-muted)}.login-form .input-wrapper{position:relative;margin-bottom:12px}.login-form .input-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:16px}.login-form .input{padding-left:42px}.password-strength{display:flex;align-items:center;gap:8px;margin-bottom:12px}.strength-bar{flex:1;height:4px;background:var(--bg-input);border-radius:2px;overflow:hidden}.strength-fill{height:100%;transition:all .3s}.strength-label{font-size:12px}.error-text{color:var(--error);font-size:13px;margin-bottom:12px}.success-text{color:var(--success);font-size:13px;margin-bottom:12px}.login-footer{text-align:center;margin-top:24px;font-size:14px;color:var(--text-muted)}.login-footer a{color:var(--primary-light);text-decoration:underline}.user-info-header{display:flex;align-items:center;gap:14px}.user-avatar{width:48px;height:48px;background:linear-gradient(135deg,var(--primary-light),var(--primary));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;color:#fff;flex-shrink:0}.user-details{flex:1}.user-account{font-size:15px;font-weight:500;margin-bottom:4px}.user-meta{font-size:12px;color:var(--text-muted);margin-bottom:6px}.card-title{font-size:14px;font-weight:600;margin-bottom:12px}.storage-info{display:flex;justify-content:space-between;margin-bottom:8px;font-size:13px}.storage-text{color:var(--text-muted)}.storage-percent{color:var(--primary-light);font-weight:500}.storage-bar{height:6px;background:var(--bg-input);border-radius:3px;overflow:hidden;margin-bottom:8px}.storage-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:3px;transition:width .5s}.storage-details{font-size:12px;color:var(--text-muted)}.menu-item{display:flex;align-items:center;justify-content:space-between;padding:14px 0;cursor:pointer;border-bottom:1px solid var(--border)}.menu-item:last-child{border-bottom:none}.menu-item.danger{color:var(--error)}.menu-arrow{color:var(--text-muted)}.password-form{padding-top:12px}.password-form .input{margin-bottom:10px}.btn-danger{background:var(--error);color:#fff}.btn-danger:active{opacity:.9}.dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.dialog{background:var(--bg-card);border-radius:16px;padding:24px;width:100%;max-width:320px;border:1px solid var(--border)}.dialog-title{font-size:16px;font-weight:600;margin-bottom:8px}.dialog-message{font-size:14px;color:var(--text-muted);margin-bottom:20px}.dialog-actions{display:flex;gap:12px;justify-content:flex-end}.materials-page{padding-bottom:20px}.filter-tabs{display:flex;gap:8px;margin-bottom:16px;align-items:center}.filter-tab{padding:8px 16px;border-radius:20px;background:var(--bg-input);border:1px solid var(--border);color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .2s}.filter-tab.active{background:#6366f126;border-color:var(--primary);color:var(--primary-light)}.upload-btn{margin-left:auto;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary-light),var(--primary));border:none;color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center}.materials-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.material-card{background:var(--bg-card);border-radius:10px;overflow:hidden;cursor:pointer;border:1px solid var(--border);transition:all .2s}.material-card:active{transform:scale(.98)}.material-thumb{position:relative;aspect-ratio:1;background:var(--bg-input);display:flex;align-items:center;justify-content:center}.material-thumb img{width:100%;height:100%;object-fit:cover}.video-thumb{font-size:32px}.material-type-icon{position:absolute;top:6px;right:6px;font-size:14px;background:#00000080;border-radius:4px;padding:2px 4px}.material-name{padding:8px;font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px;font-size:14px;color:var(--text-muted)}.pagination button{padding:8px 14px;border-radius:8px;background:var(--bg-input);border:1px solid var(--border);color:var(--text);cursor:pointer}.pagination button:disabled{opacity:.4;cursor:not-allowed}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:flex-end;justify-content:center;z-index:100}.modal{background:var(--bg-card);border-radius:16px 16px 0 0;width:100%;max-width:430px;max-height:80vh;overflow:hidden;display:flex;flex-direction:column}.modal-preview{max-height:90vh}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border);font-weight:600}.modal-close{background:none;border:none;font-size:24px;color:var(--text-muted);cursor:pointer;padding:0;line-height:1}.modal-body{padding:16px;overflow-y:auto;flex:1}.modal-footer{padding:16px;border-top:1px solid var(--border);display:flex;gap:12px}.modal-footer .btn{flex:1}.upload-zone{border:2px dashed var(--border);border-radius:12px;padding:40px 20px;text-align:center;cursor:pointer;transition:all .2s}.upload-zone:active{border-color:var(--primary);background:#6366f10d}.upload-icon{font-size:48px;margin-bottom:12px}.upload-link{color:var(--primary-light);text-decoration:underline}.upload-hint{margin-top:12px;font-size:12px;color:var(--text-muted);line-height:1.5}.upload-preview{padding:16px 0}.upload-file-info{display:flex;justify-content:space-between;margin-bottom:16px}.upload-file-name{font-size:14px;word-break:break-all}.upload-file-size{font-size:13px;color:var(--text-muted);flex-shrink:0;margin-left:12px}.upload-progress{height:8px;background:var(--bg-input);border-radius:4px;overflow:hidden;margin-bottom:12px}.upload-progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));transition:width .3s}.upload-success{color:var(--success);font-size:14px;text-align:center;padding:8px 0}.upload-error{color:var(--error);font-size:14px;text-align:center;padding:8px 0}.preview-media{width:100%;max-height:50vh;display:flex;align-items:center;justify-content:center;background:var(--bg-input);border-radius:8px;overflow:hidden;margin-bottom:16px}.preview-media img{max-width:100%;max-height:50vh;object-fit:contain}.preview-media video{width:100%;max-height:50vh}.preview-info{display:flex;flex-direction:column;gap:8px}.preview-row{display:flex;align-items:center;gap:8px;font-size:13px}.empty-state{text-align:center;padding:60px 20px}.empty-icon{font-size:64px;margin-bottom:16px}.empty-title{font-size:16px;font-weight:600;margin-bottom:8px}.empty-hint{font-size:13px;color:var(--text-muted);margin-bottom:24px}.empty-upload{border:2px dashed var(--border);border-radius:12px;padding:24px;cursor:pointer;transition:all .2s}.empty-upload:active{border-color:var(--primary);background:#6366f10d}.empty-upload-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.conversation-list{display:flex;flex-direction:column;gap:8px}.conversation-card{display:flex;align-items:center;gap:12px;padding:14px;background:var(--bg-card);border-radius:12px;border:1px solid var(--border)}.conversation-main{flex:1;display:flex;align-items:center;gap:12px;cursor:pointer;min-width:0}.conversation-icon{font-size:20px;flex-shrink:0}.conversation-content{flex:1;min-width:0}.conversation-title{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.conversation-meta{font-size:12px;color:var(--text-muted)}.conversation-continue{padding:8px 16px;border-radius:8px;background:var(--bg-input);border:1px solid var(--border);color:var(--primary-light);font-size:13px;cursor:pointer;flex-shrink:0}.conversation-detail-page{padding-bottom:80px}.continue-section{position:fixed;bottom:calc(var(--tab-height) + 12px);left:50%;transform:translate(-50%);width:calc(100% - 32px);max-width:398px}.new-chat-btn{position:absolute;right:16px;padding:6px 12px;border-radius:8px;background:var(--bg-input);border:1px solid var(--border);color:var(--primary-light);font-size:12px;cursor:pointer}.function-cards{display:flex;flex-direction:column;gap:10px}.function-card{display:flex;align-items:center;gap:14px;padding:16px;background:var(--bg-card);border-radius:12px;border:1px solid var(--border);cursor:pointer;transition:all .2s;position:relative;overflow:hidden}.function-card:active{transform:scale(.98);background:var(--bg-input)}.function-card-disabled{opacity:.6;pointer-events:none;cursor:not-allowed}.function-card-disabled:after{content:"敬请期待";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000bf;color:var(--warning);padding:4px 16px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}.function-card-coming-soon{position:absolute;top:8px;right:8px;font-size:11px;color:var(--warning);background:#f59e0b26;padding:2px 8px;border-radius:10px}.function-card-icon{font-size:28px;flex-shrink:0}.function-card-content{flex:1}.function-card-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}.function-card-desc{font-size:12px;color:var(--text-muted)}.icon-delete{color:var(--text-muted);cursor:pointer;font-size:16px;transition:color .2s;padding:4px;background:none;border:none}.icon-delete:hover{color:var(--error)}.coming-soon-banner{background:#f59e0b26;color:var(--warning);padding:10px 16px;border-radius:10px;font-size:13px;text-align:center;margin-bottom:12px}