:root{--primary-color:#2c3e50;--accent-color:#2980b9;--text-color:#333;--bg-light:#f8f9fa;--border-color:#e2e8f0}.main-content{box-sizing:border-box;width:100%;max-width:1280px;min-height:0;color:var(--text-color);flex-direction:column;flex:1;margin:0 auto;padding:0;display:flex;overflow:hidden}.scroll-container{scrollbar-width:thin;scrollbar-width:none;-ms-overflow-style:none;flex:1;overflow-y:auto}