*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.admin-container{height:100vh;display:flex;overflow:hidden}.admin-sidebar{background-color:#545c64;overflow-x:hidden;overflow-y:auto}.logo{padding:24px;text-align:center;border-bottom:1px solid #434a50}.logo h2{color:#fff;font-size:20px;margin-bottom:8px}.logo p{color:#909399;font-size:12px}.admin-header{background-color:#fff;border-bottom:1px solid #dcdfe6;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:60px;flex-shrink:0}.header-left{flex:1}.header-right{display:flex;gap:12px}.admin-main{background-color:#f5f7fa;padding:20px;flex:1;overflow:hidden;display:flex;flex-direction:column}