.seller-center-layout{background:#f5f5f5;min-height:calc(100vh - 100px);display:flex}.seller-sidebar{z-index:10;background:#fff;width:200px;padding:20px 0;box-shadow:2px 0 5px #00000005}.sidebar-menu{list-style:none}.menu-group-title{color:#999;text-transform:uppercase;padding:10px 24px;font-size:12px;font-weight:600}.menu-item{color:#333;cursor:pointer;align-items:center;gap:10px;padding:12px 24px;font-size:14px;display:flex}.menu-item:hover{color:var(--primary-color)}.menu-item.active{color:var(--primary-color);border-right:3px solid var(--primary-color);background:#fff5f2}.seller-content{flex:1;padding:24px 40px;overflow-y:auto}.seller-page-title{justify-content:space-between;align-items:center;margin-bottom:24px;font-size:20px;font-weight:600;display:flex}.todo-grid{background:#f0f0f0;border:1px solid #f0f0f0;border-radius:4px;grid-template-columns:repeat(4,1fr);gap:1px;margin-bottom:24px;display:grid;overflow:hidden}.todo-item{text-align:center;cursor:pointer;background:#fff;padding:20px}.todo-item:hover{background:#fafafa}.todo-count{color:var(--primary-color);margin-bottom:8px;font-size:24px;font-weight:600}.todo-label{color:#666;font-size:14px}.insights-card{background:#fff;border-radius:4px;margin-bottom:24px;padding:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.card-header h3{font-size:16px;font-weight:600}.insights-grid{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.insight-item{padding:10px}.insight-val{margin-bottom:4px;font-size:20px;font-weight:600}.insight-change{font-size:12px}.insight-change.up{color:#52c41a}.insight-change.down{color:#ff4d4f}.announcement-list{background:#fff;border-radius:4px;padding:24px}.ann-item{border-bottom:1px solid #f2f2f2;justify-content:space-between;align-items:center;padding:12px 0;display:flex}.ann-item:last-child{border-bottom:none}.ann-title{color:#333;font-size:14px}.ann-date{color:#999;font-size:12px}