*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans SC,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{min-height:100vh}.topic-card-selected{box-shadow:0 4px 12px #1890ff4d}.app-shell{min-height:100vh}.app-header{display:flex;align-items:center;gap:12px;height:64px;padding:0 24px}.app-logo{color:#fff!important;margin:0!important;white-space:nowrap;cursor:pointer;flex:0 0 auto}.desktop-nav{flex:1;min-width:0}.header-spacer{flex:1}.app-auth-actions{margin-left:auto;flex:0 0 auto}.quota-text{color:#ffffffa6;font-size:12px}.user-name,.header-text-button{color:#fff!important}.mobile-menu-button{color:#fff!important;display:inline-flex;align-items:center;gap:4px;min-width:64px;height:40px;padding:0 8px;font-size:14px}.app-content{padding:24px;background:#f5f5f5}.app-content-inner{max-width:1100px;margin:0 auto}.home-page{max-width:800px;margin:0 auto;padding:0 16px}.home-title{text-align:center;margin-bottom:4px!important}.home-subtitle{text-align:center;margin-bottom:24px!important}.home-primary-action{text-align:center;margin-bottom:32px}.home-primary-action .ant-btn{height:48px;padding-left:40px;padding-right:40px;font-size:18px}.home-copy{text-align:left;line-height:2;font-size:15px}.home-notice{background:#f0f5ff;border:1px solid #adc6ff;border-radius:6px;padding:12px 16px;margin-bottom:16px}.home-notice p{margin:0;font-size:14px}.content-module-page{width:100%}.content-column-toggle{display:none;margin-bottom:12px}.content-module-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:20px;align-items:start}.content-module-sidebar{background:#fff;border-radius:6px;border:1px solid #f0f0f0;overflow:hidden}.content-module-main{min-width:0}.markdown-body{font-size:16px;line-height:1.9}.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5{margin:1.4em 0 .6em}.markdown-body p{margin:0 0 1em}.markdown-body blockquote{margin:0 0 1em;padding:8px 16px;color:#666;background:#fafafa;border-left:4px solid #d9d9d9}.markdown-body code{padding:2px 5px;background:#f5f5f5;border-radius:4px}@media(max-width:760px){.content-module-layout{grid-template-columns:1fr}}@media(max-width:768px){body{font-size:14px}.app-header{min-height:56px;height:auto;padding:8px 12px;gap:8px}.app-logo{max-width:42vw;overflow:hidden;text-overflow:ellipsis;font-size:17px!important;line-height:1.3!important}.app-auth-actions{gap:4px!important}.app-auth-actions .ant-space-item{max-width:34vw}.quota-text{display:none}.user-name{display:inline-block;max-width:22vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.header-text-button{padding-inline:8px}.mobile-nav-drawer .ant-drawer-body{padding:0}.mobile-nav-drawer .ant-menu-item{min-height:46px;line-height:46px}.app-content{padding:12px}.app-content-inner{max-width:none;width:100%}.home-page{padding:0}.home-title{font-size:20px!important;line-height:1.35!important}.home-subtitle,.content-module-page .ant-typography h2,.app-content h2.ant-typography{font-size:18px!important}.home-primary-action{margin-bottom:20px}.home-primary-action .ant-btn,.app-content .ant-btn:not(.ant-btn-link):not(.ant-btn-text):not(.ant-btn-icon-only){width:100%;min-height:44px}.home-copy{font-size:14px;line-height:1.8}.ant-card{border-radius:6px}.app-content .ant-card-body{padding:14px}.app-content .ant-form-item{margin-bottom:14px}.app-content .ant-row{row-gap:0!important}.app-content textarea.ant-input{font-size:14px}.app-content .ant-upload,.app-content .ant-upload-wrapper,.app-content .ant-upload-select{width:100%}.app-content .ant-table-wrapper{overflow-x:auto}.app-content .ant-table{font-size:12px}.app-content .ant-tabs-tab{padding:10px 0}.app-content .ant-tabs-nav-list{min-width:max-content}.content-column-toggle{display:flex;align-items:center;justify-content:center}.content-module-layout{gap:12px}.content-module-sidebar{display:none}.content-module-sidebar.is-open{display:block}.content-module-sidebar .ant-menu-item{min-height:44px;line-height:44px}.content-module-main .ant-list-item{display:block}.content-module-main .ant-list-item-extra{margin-left:0!important;margin-top:8px}.markdown-body{font-size:14px;line-height:1.8}}@media(min-width:769px)and (max-width:992px){.app-header{padding:0 16px}.app-logo{font-size:18px!important}.app-content{padding:18px}}