.app-header{background:#fff!important;border-bottom:1px solid #f0f0f0;height:64px;padding:0;position:-webkit-sticky;position:sticky;top:0;z-index:1000}.header-content-wrapper{align-items:center;display:flex;height:100%;justify-content:space-between;margin:0 auto;max-width:1400px;padding:0 24px}.header-right-section{flex-grow:1;justify-content:flex-end;min-width:0}.logo-area{align-items:center;color:inherit;display:flex;flex-shrink:0;gap:12px;text-decoration:none;white-space:nowrap}.logo-image{height:40px}.logo-title.ant-typography{color:#333;font-weight:600;margin:0!important}.header-menu{background:transparent!important;border-bottom:none!important;flex-grow:0;height:100%;line-height:64px!important;min-width:0}.desktop-more-tools-trigger{align-items:center;color:rgba(0,0,0,.85);cursor:pointer;display:flex;height:100%;padding:0 12px;transition:color .3s}.desktop-more-tools-trigger:hover{color:#1890ff}.more-tools-dropdown-content{background-color:#fff;border-radius:8px;box-shadow:0 6px 16px 0 rgba(0,0,0,.08),0 3px 6px -4px rgba(0,0,0,.12),0 9px 28px 8px rgba(0,0,0,.05);min-width:520px;padding:16px}.more-tools-group-title{color:rgba(0,0,0,.45);display:block;margin-bottom:8px}.more-tools-item{border-radius:4px;color:rgba(0,0,0,.85);display:block;padding:8px 12px;text-decoration:none;transition:background-color .3s}.more-tools-item:hover{background-color:#f5f5f5;color:#1890ff}.desktop-user-action{align-items:center;display:flex;flex-shrink:0;margin-left:24px}.user-profile-link{color:rgba(0,0,0,.85);cursor:pointer}.user-profile-link:hover{color:#1890ff}.mobile-menu-button{align-items:center;display:flex;justify-content:center}.mobile-user-action{border-top:1px solid #f0f0f0;display:flex;flex-direction:column;gap:8px;margin-top:16px;padding:16px 0}.mobile-user-link{align-items:center;color:rgba(0,0,0,.85);display:flex;font-size:14px;gap:8px;padding:8px 24px}.header-right-section{align-items:center;display:flex;gap:24px}.header-actions-group{align-items:center;display:flex;gap:8px}@media (max-width:767px){.header-content-wrapper{padding:0 16px}.logo-area{margin-right:0}}