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#888;--code-btn-hover-bg: #1677ff;--radius-main: 12px;--radius-sm: 6px;--radius-round: 20px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .1);--transition-fast: .2s ease-out;--transition-normal: .3s ease-out;--msg-font-size: 15px}*{margin:0;padding:0;box-sizing:border-box;font-family:Microsoft YaHei,sans-serif;-webkit-user-select:none;user-select:none}body{background:var(--bg-gray);overflow:hidden;color:var(--text-main);height:100vh}#chat-container{-webkit-user-select:text;user-select:text}input,textarea,select{-webkit-user-select:auto;user-select:auto}.message-content 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ease-out}.config-selector.open{transform:translateY(0);max-height:85vh}.config-selector:before{content:"";display:block;width:40px;height:4px;background:var(--border-color);border-radius:2px;margin:8px auto}.scroll-down-btn{bottom:140px}.chat-header{padding:12px}.header-title{margin-left:0;font-size:14px}.header-actions{gap:2px}.header-btn{font-size:12px;padding:4px 5px;min-height:36px}.header-model-select{font-size:11px;max-width:100px;min-height:36px}.export-dropdown{right:auto;left:0}.msg-more-btn,.rename-confirm-btn{min-width:36px;min-height:36px;padding:6px}.quick-delete-btn{min-width:32px;min-height:32px;padding:4px;font-size:14px}.host-add-row,.model-add-row,.model-error-row{margin-left:0!important}.confirm-dialog{min-width:0;width:calc(100% - 32px);max-width:400px}.in-chat-search-bar{right:8px;left:8px}.in-chat-search-input{width:100%;min-width:0}}.mobile-menu-btn{display:none}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}button:focus:not(:focus-visible),input:focus:not(:focus-visible),select:focus:not(:focus-visible),textarea:focus:not(:focus-visible){outline:none}.help-panel-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100000}.help-panel{background:var(--bg-white);border-radius:var(--radius-main);box-shadow:0 8px 32px #0003;width:90%;max-width:450px;max-height:80vh;overflow-y:auto;animation:helpPanelSlideIn .2s ease-out}@keyframes helpPanelSlideIn{0%{opacity:0;transform:translateY(-20px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.help-panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color);font-size:16px;font-weight:600;color:var(--text-main)}.help-panel-close{width:32px;height:32px;min-width:32px;min-height:32px;border-radius:50%;border:none;background:var(--bg-gray);color:var(--text-secondary);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.help-panel-close:hover{background:var(--border-color)}.help-panel-body{padding:16px 20px}.shortcut-group{margin-bottom:16px}.shortcut-group:last-child{margin-bottom:0}.shortcut-group-title{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid var(--border-light)}.shortcut-row{display:flex;align-items:center;justify-content:space-between;padding:6px 0}.shortcut-keys{font-size:13px;font-weight:600;color:var(--primary-color);background:var(--primary-light);padding:2px 10px;border-radius:4px;font-family:JetBrains Mono,Fira Code,monospace;white-space:nowrap}.shortcut-desc{font-size:13px;color:var(--text-main)}.help-tips{margin-top:20px;padding-top:16px;border-top:1px solid var(--border-color)}.help-tips-title{font-size:14px;font-weight:600;color:var(--text-main);margin-bottom:10px}.help-tip{font-size:13px;color:var(--text-secondary);padding:4px 0 4px 12px;position:relative}.help-tip:before{content:"•";position:absolute;left:0;color:var(--primary-color)}.help-stats{margin-top:20px;padding-top:16px;border-top:1px solid var(--border-color)}.help-stats-title{font-size:14px;font-weight:600;color:var(--text-main);margin-bottom:12px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:12px}.stat-item{display:flex;flex-direction:column;align-items:center;padding:10px 8px;background:var(--bg-gray);border-radius:var(--radius-sm)}.stat-value{font-size:20px;font-weight:700;color:var(--primary-color);line-height:1.2}.stat-label{font-size:11px;color:var(--text-secondary);margin-top:4px}.modal-fade-slide-enter-active,.modal-fade-slide-leave-active{transition:opacity .2s ease}.modal-fade-slide-enter-from,.modal-fade-slide-leave-to{opacity:0}.modal-fade-slide-enter-active .help-panel{animation:helpPanelSlideIn .2s ease-out}.modal-fade-slide-leave-active .help-panel{animation:helpPanelSlideOut .15s ease-in}@keyframes helpPanelSlideOut{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(10px) scale(.97)}}