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var(--transition-fast);color:var(--color-text-main);position:relative;height:100%}.tool-card:hover{border-color:var(--color-primary-border);box-shadow:var(--shadow-lg);transform:translateY(-2px);text-decoration:none}.tool-card--disabled{background-color:var(--color-bg-soft);opacity:0.9;cursor:default}.tool-card--disabled:hover{border-color:var(--color-border);box-shadow:var(--shadow-xs);transform:none}.tool-card-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-4);gap:var(--space-2)}.tool-card-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-md);background-color:var(--color-primary-light);color:var(--color-primary);flex-shrink:0}.tool-card-icon svg{width:22px;height:22px}.tool-card-title{font-size:var(--font-size-base);font-weight:700;margin-bottom:var(--space-2);color:var(--color-text-main)}.tool-card:hover 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solid var(--color-error-border)}.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-12) var(--space-6);border:2px dashed var(--color-border);border-radius:var(--radius-xl);background-color:var(--color-bg-soft);text-align:center;cursor:pointer;transition:all var(--transition-fast)}.dropzone:hover,.dropzone.is-dragover{border-color:var(--color-primary);background-color:var(--color-primary-light)}.dropzone-icon{width:56px;height:56px;color:var(--color-primary);margin-bottom:var(--space-4)}.dropzone-title{font-size:var(--font-size-lg);font-weight:700;margin-bottom:var(--space-2)}.dropzone-hint{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:var(--space-4)}.file-list{list-style:none;padding:0;margin:var(--space-4) 0;display:flex;flex-direction:column;gap:var(--space-2)}.file-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-4);background-color:#FFFFFF;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm)}.file-info{display:flex;align-items:center;gap:var(--space-3);overflow:hidden}.file-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px}.file-size{color:var(--color-text-muted);font-size:var(--font-size-xs)}.file-remove-btn{color:var(--color-text-muted);padding:var(--space-1);border-radius:var(--radius-sm);cursor:pointer}.file-remove-btn:hover{color:var(--color-error)}.faq-accordion,.faq-list{display:flex;flex-direction:column;gap:var(--space-3)}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:#FFFFFF;overflow:hidden;transition:border-color var(--transition-fast),box-shadow 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