.course-mode-badge{display:inline-flex;align-items:center;flex-shrink:0;width:fit-content;vertical-align:middle;border:1px solid var(--line,#cfdfd4);border-radius:4px;padding:1px 6px;background:var(--tint,#edf5ef);color:var(--brand);font-size:11px;font-weight:500;line-height:1.6;white-space:nowrap;margin:0}.catalog-app .row-meta,.home-review .home-review-scope{display:flex;align-items:center;flex-wrap:wrap;gap:6px 8px;white-space:normal;overflow:visible}.row-meta-text,.home-review-context{min-width:0;overflow-wrap:anywhere}.course-heading .course-mode-badge{margin:7px 0 0}.reference-note{overflow-wrap:anywhere}.wrapping-select{display:inline-flex;flex-direction:column;align-items:stretch;flex:1;min-width:0;width:100%;position:relative;vertical-align:middle}.category-select-trigger{display:flex;align-items:center;gap:8px;width:100%;min-width:0;min-height:40px;padding:8px 11px;border:1px solid var(--control-border);border-radius:6px;background:#fff;color:var(--text-secondary);font:inherit;font-size:13px;text-align:left}.category-select-trigger>span{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.category-select-trigger>svg{flex-shrink:0;color:var(--muted)}.category-select-trigger[aria-expanded=true],.category-select-trigger:focus-visible{border-color:var(--focus-border);box-shadow:none}.category-select-trigger:disabled{cursor:not-allowed;opacity:.6}.category-select-trigger[aria-invalid=true]{border-color:#ad403b}.category-select-menu{position:fixed;inset:auto;margin:0;z-index:100;box-sizing:border-box;display:flex;flex-direction:column;overflow:hidden;padding:0;border:1px solid var(--control-border);border-radius:8px;background:#fff;color:var(--text-secondary);box-shadow:0 6px 22px var(--shadow-soft);font-size:13px;line-height:1.65}.category-select-scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:4px}.category-select-heading{padding:9px 8px 4px;font-size:12px;font-weight:600;color:var(--muted)}.category-select-option{display:flex;align-items:center;gap:6px;min-height:38px;padding:8px;border-radius:4px;cursor:pointer}.category-select-option>span{flex:1;min-width:0;white-space:normal;overflow-wrap:anywhere}.category-select-option>svg{flex-shrink:0;color:var(--brand)}.category-select-option:hover,.category-select-option.is-active{background:var(--surface)}.category-select-option[aria-selected=true]{color:var(--brand);background:var(--tint)}.category-select-option[aria-disabled=true]{opacity:.5;cursor:not-allowed}.wrapping-select>select.dropdown-validity{position:absolute!important;width:1px!important;height:1px!important;min-height:0!important;padding:0!important;border:0!important;opacity:0;clip-path:inset(50%);pointer-events:none}.dropdown-error{font-size:12px;color:#ad403b;margin-top:4px}.review-form .category-select-trigger,.community-form .category-select-trigger{min-height:44px;font:inherit;padding:10px 12px}.community-toolbar .wrapping-select{width:150px;flex:none}.select-wrap:has(>.wrapping-select)>svg{display:none}@media(max-width:760px){.category-select-option{min-height:44px}}.review-helpful{display:flex;align-items:center;gap:6px 12px;flex-wrap:wrap;min-width:0}.review-helpful .review-helpful-button{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;min-height:36px;border:1px solid transparent;border-radius:6px;color:var(--text-secondary);background:transparent;font-size:12px;line-height:1.4;white-space:nowrap}.review-helpful-button svg{flex-shrink:0}.review-helpful .review-helpful-button:hover:not(:disabled),.review-helpful .review-helpful-button:focus-visible,.review-helpful .review-helpful-button[aria-pressed=true]{color:var(--brand);background:var(--tint)}.review-helpful .review-helpful-button:focus-visible{border-color:var(--focus-border);outline:none;box-shadow:none}.review-helpful .review-helpful-button:disabled:not([aria-busy=true]){opacity:1;cursor:default;color:var(--muted)}.review-helpful-count{font-variant-numeric:tabular-nums}.review-helpful-error{font-size:12px;line-height:1.6;color:#924747;overflow-wrap:anywhere}.review-helpful-error a{text-decoration:underline}.student-review-footer{flex-wrap:wrap}.student-review-footer>.student-review-actions{display:flex;align-items:center;gap:6px 14px;flex-wrap:wrap}.student-review-actions>div:not(.review-helpful){display:flex;align-items:center;gap:15px}.student-review-actions>div:not(.review-helpful)>button{color:var(--text-secondary);padding:8px 0;font-size:12px}@media(max-width:480px){.review-helpful .review-helpful-button{min-height:40px}.student-review-footer>.student-review-actions{gap:6px 10px}}.review-revision-status{margin:18px 0;padding:16px 18px;border:1px solid var(--line,#dce5de);border-radius:12px;background:#f5f8f5;font-size:14px;line-height:1.7;overflow-wrap:anywhere}.revision-status-line{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}.revision-status-line time,.revision-rating{color:var(--muted,#68786e);font-size:13px}.review-revision-status p{margin:8px 0}.review-revision-status summary{cursor:pointer;color:var(--brand)}.revision-cancel{margin-top:10px;padding:6px 0;color:var(--brand)}.review-form label:has(textarea[aria-label=复核说明]){margin-top:18px}.revision-card{margin:20px 0;padding:24px;border:1px solid var(--line,#dce5de);border-radius:16px;background:#fff;min-width:0;overflow-wrap:anywhere}.revision-comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0}.revision-comparison>section{padding:16px;background:#f5f8f5;border-radius:10px;min-width:0}.revision-comparison h4{margin:0 0 12px;font-size:14px;color:var(--brand)}.revision-comparison .student-review-content{font-size:15px;line-height:1.8;margin-bottom:0}.revision-note{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}.admin-revisions h2{font-size:21px;margin:0 0 8px}.admin-revisions .community-muted{font-size:14px;line-height:1.7}.admin-revisions .community-toolbar{align-items:end;gap:16px}.admin-revisions .community-toolbar>div{flex:1;min-width:190px}@media(max-width:600px){.revision-comparison{grid-template-columns:1fr}.revision-card{padding:16px}.revision-status-line time{font-size:12px}.admin-revisions .community-toolbar{flex-wrap:wrap}}.account-avatar-link{position:relative}.notification-dot{position:absolute;right:0;top:0;width:8px;height:8px;border-radius:50%;background:#b8463e;border:2px solid #fff;box-sizing:content-box}.notification-count{font:600 11px/1.3 system-ui,sans-serif;min-width:18px;padding:2px 5px;border-radius:10px;background:var(--brand);color:#fff;text-align:center}.account-page .account-tabs{flex-wrap:wrap}.account-notifications{border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 24px 12px}.notifications-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 10px;flex-wrap:wrap}.notifications-heading>div{display:flex;align-items:center;gap:12px}.notifications-heading h2{margin:0;font-size:18px}.notifications-heading span,.notifications-intro{font-size:12px;color:var(--muted)}.notifications-intro{line-height:1.7;margin:0 0 18px}.notification-row{border-top:1px solid var(--line);padding:20px 12px;overflow-wrap:anywhere}.notification-row.unread{background:var(--surface-subtle)}.notification-title{display:flex;justify-content:space-between;align-items:center;gap:12px}.notification-title h3{font-size:15px;margin:0}.notification-state{color:var(--muted);font-size:11px;white-space:nowrap}.unread .notification-state{color:var(--brand);font-weight:600}.notification-course{font-size:13px;color:var(--text-secondary);margin:10px 0}.notification-reason{font-size:14px;line-height:1.8;white-space:pre-wrap;margin:0}.notification-note{font-size:12px;color:var(--muted);line-height:1.7;margin:10px 0 0}.notification-footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:16px;font-size:12px}.notification-footer time{color:var(--muted)}.notification-footer>div{display:flex;gap:16px}.notification-footer a{display:inline-flex;align-items:center;gap:4px}.notification-footer button{color:var(--brand);font-size:12px}@media(max-width:760px){.account-notifications{padding:0 12px 12px}.notifications-heading{padding-top:16px}.notification-row{padding:16px 8px}.notification-footer>div{margin-left:auto}.account-page .account-tabs button{gap:5px;padding:9px 10px;font-size:13px}}.profile-avatar{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--tint);border:1px solid var(--control-border);font-size:25px;line-height:1}.profile-avatar img{width:100%;height:100%;object-fit:cover}.account-avatar-link{display:inline-flex;padding:4px;border-radius:50%;align-self:center}.account-avatar-link:hover .profile-avatar{border-color:var(--brand)}.account-avatar-link:focus-visible .profile-avatar{border-color:var(--brand);background:var(--line)}.account-page .profile-avatar-edit{padding:0;border-radius:50%;flex-shrink:0;display:flex}.account-page .profile-avatar-edit .profile-avatar{width:56px;height:56px;font-size:37px}.profile-avatar-editor{display:flex;align-items:center;gap:18px}.profile-avatar-editor>.profile-avatar{width:76px;height:76px;font-size:47px}.profile-avatar-actions{display:flex;align-items:center;gap:16px;font-size:13px}.profile-avatar-actions>button{padding:8px 10px;border:1px solid var(--control-border);border-radius:6px;color:var(--brand)}.profile-editor .profile-avatar-editor p{margin:8px 0 0;font-size:11px}.profile-editor input[type=file][hidden]{display:none}.account-page .account-profile-actions{flex-wrap:wrap}@media(max-width:600px){.account-avatar-link .profile-avatar{width:30px;height:30px;font-size:21px}.profile-avatar-editor{align-items:flex-start;gap:12px}.profile-avatar-editor>.profile-avatar{width:60px;height:60px;font-size:38px}}.account-page{background:var(--surface-subtle)}.account-page .community-main{max-width:980px;padding-top:28px}.account-page .community-main>h1{font-size:15px;font-weight:500;color:var(--muted);margin:0 0 18px}.account-page .account-profile{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.account-page .account-identity{display:flex;align-items:center;gap:14px;min-width:0}.account-page .account-monogram{display:grid;place-items:center;width:52px;height:52px;flex-shrink:0;border-radius:14px;background:var(--brand);color:#fff;font-size:25px;font-weight:600}.account-page .account-identity-text{min-width:0}.account-page .account-name-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.account-page .account-name-row h2{font-size:24px;letter-spacing:-.4px;font-weight:650;line-height:1.3;overflow-wrap:anywhere;margin:0}.account-page .account-identity-text>p{font-size:12px;line-height:1.6;color:var(--muted);margin:6px 0 0}.account-page .account-verified{display:inline-flex;align-items:center;gap:4px;white-space:nowrap;background:var(--tint);color:var(--brand);font-size:11px;padding:4px 7px;border-radius:5px}.account-page .account-verified.unverified{background:var(--line);color:var(--text-secondary)}.account-page .account-profile-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}.account-page .account-settings-footer{display:flex;justify-content:flex-end;border-top:1px solid var(--line);padding:10px 0}.account-page .account-admin-link{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);padding:6px 0}.account-page .account-admin-link:hover{color:var(--brand)}.account-page .account-secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--control-border);border-radius:7px;background:#fff;color:var(--text-secondary);padding:9px 12px;white-space:nowrap;font-size:12px;line-height:1.5}.account-page .account-secondary-button:hover{background:var(--surface);color:var(--brand);border-color:var(--border-strong)}.account-page .account-tabs{display:flex;gap:5px;width:fit-content;padding:4px;border:1px solid var(--line);border-radius:9px;background:var(--tint);margin-bottom:22px}.account-page .account-tabs button{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:13px;font-weight:500;padding:9px 20px;border:1px solid transparent;border-radius:6px;color:var(--text-secondary)}.account-page .account-tabs button.active{color:var(--brand);background:#fff;border-color:var(--control-border)}.account-page .account-tabs button:hover{color:var(--brand)}.account-page .account-reviews,.account-page .account-security{border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 24px}.account-page .account-reviews>.community-toolbar{margin:0;padding:18px 0;border-bottom:1px solid var(--line);gap:12px}.account-page .account-section-title{display:flex;align-items:center;gap:10px}.account-page .account-section-title h2{font-size:16px;margin:0;font-weight:600}.account-page .account-section-title>span{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.account-page .account-reviews>.community-toolbar select{font-size:12px;padding:7px 28px 7px 10px;max-width:190px;height:36px;background:var(--surface-subtle)}.account-page .account-filter-label{font-size:12px;color:var(--muted)}.account-page .account-empty{display:flex;align-items:center;flex-direction:column;gap:14px;padding:40px 16px;color:var(--muted);text-align:center}.account-page .account-empty>svg{color:var(--border-strong)}.account-page .account-empty h3{margin:0;font-size:14px;font-weight:500;color:var(--text-secondary)}.account-page .account-empty .account-secondary-button{margin-top:4px}.account-page .account-loading{padding:30px 0;font-size:13px;color:var(--muted)}.account-page .account-reviews>.student-review{padding:20px 0;border-bottom:1px solid var(--line)}.account-page .account-reviews>.student-review:last-of-type{border-bottom:0}.account-page .community-row-heading{align-items:flex-start}.account-page .community-row-heading h3{font-size:16px;line-height:1.5;margin:0}.account-page .community-row-heading>strong{color:var(--brand);font-size:22px;white-space:nowrap;line-height:1.2}.account-page .community-row-heading>strong small{font-size:11px;font-weight:400}.account-page .account-review-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:8px 0 10px}.account-page .account-review-meta .student-review-scope{margin:0;font-size:12px}.account-page .account-review-status{font-size:10px;line-height:1.5;border-radius:4px;padding:2px 6px;background:var(--surface);color:var(--muted)}.account-page .account-review-status.status-published{background:var(--tint);color:var(--brand)}.account-page .account-review-status.status-pending{background:#fff3ec;color:#945627}.account-page .student-review-content{font-size:14px;line-height:1.85;margin:12px 0}.account-page .student-review-footer{font-size:12px;margin-top:14px}.account-page .student-review-footer button{padding:5px 8px;border-radius:5px}.account-page .student-review-footer button:hover{background:var(--tint)}.account-page .account-security-section{display:grid;grid-template-columns:minmax(150px,1fr) minmax(0,2.1fr);gap:30px;padding:24px 0}.account-page .account-security-section+.account-security-section{border-top:1px solid var(--line)}.account-page .account-security-heading h2{font-size:16px;margin:0 0 8px;font-weight:600}.account-page .account-security-heading p{font-size:12px;line-height:1.8;color:var(--muted);margin:0;max-width:210px}.account-page .account-security-content{min-width:0;max-width:520px}.account-page .account-email-details{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;min-height:38px;font-size:14px}.account-page .account-email-details>span{overflow-wrap:anywhere}.account-page .account-email-details>small{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--brand)}.account-page .account-password-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.account-page .account-security-content.community-form{gap:18px}.account-page .account-security-content.community-form label{font-size:12px;gap:8px}.account-page .account-security-content.community-form input{font-size:14px;background:var(--surface-subtle);border-radius:6px}.account-page .account-security-content.community-form>.review-primary{align-self:flex-start;font-size:13px;padding:10px 18px;min-height:38px}.account-page .account-deletion{margin-top:0;max-width:none}.account-page .account-deletion .account-security-content>p{margin:0 0 14px;font-size:12px;line-height:1.8;color:var(--muted)}.account-page .account-deletion .account-security-heading h2{color:#9d3333}.account-page .account-security-content .email-verification-panel{margin:0;padding:0;border:0;background:none}.account-page .account-security-content .email-verification-panel>h2{display:none}.account-page .account-security-content .email-verification-panel>p{margin-top:0}.account-page .review-feedback,.account-page .community-main>.inline-error{margin-bottom:18px}@media(max-width:760px){.account-page .community-main{padding:22px 16px 40px}.account-page .account-profile{align-items:flex-start;flex-direction:column;gap:16px;margin-bottom:20px}.account-page .account-profile-actions{align-self:flex-end;gap:18px}.account-page .account-name-row{gap:7px 10px}.account-page .account-name-row h2{font-size:21px}.account-page .account-monogram{width:46px;height:46px;border-radius:12px;font-size:23px}.account-page .account-tabs{margin-bottom:16px}.account-page .account-security-section{grid-template-columns:1fr;gap:16px;padding:21px 0}.account-page .account-security-heading p,.account-page .account-security-content{max-width:none}.account-page .account-reviews,.account-page .account-security{padding:0 16px;border-radius:9px}.account-page .account-reviews>.community-toolbar{padding:14px 0}.account-page .account-filter-label{display:none}.account-page .account-empty{padding:32px 8px}}@media(max-width:400px){.account-page .account-password-pair{grid-template-columns:1fr;gap:18px}.account-page .account-name-row{align-items:flex-start;flex-direction:column}.account-page .account-tabs{width:100%}.account-page .account-tabs button{flex:1;padding:9px 12px}.account-page .account-reviews>.community-toolbar select{max-width:150px}}.report-queue-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 22px}.report-queue-summary button{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:9px;color:var(--text-secondary);font-size:13px}.report-queue-summary strong{font-size:23px;font-weight:600;color:var(--brand);font-variant-numeric:tabular-nums}.report-queue-summary button.active{background:var(--tint);border-color:var(--control-border)}.report-queue-toolbar{display:flex;gap:12px;align-items:end;margin-bottom:14px;flex-wrap:wrap}.report-queue-toolbar label{display:flex;flex-direction:column;gap:6px;min-width:140px;font-size:12px;color:var(--muted)}.report-queue-card{padding:22px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.report-queue-card h3{font-size:16px}.report-assignee,.report-resolution{font-size:12px;color:var(--text-secondary);margin-top:10px;white-space:pre-wrap}.report-queue-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px;margin-top:14px}.report-queue-actions>button{font-size:12px;min-height:36px;border-radius:6px;padding:7px 10px}.report-queue-actions>button:not(.review-primary):hover{background:var(--tint)}.report-notes{padding:22px}.report-notes .community-form{padding:18px 0;margin:0;max-width:none}.report-note{padding:16px 0;border-top:1px solid var(--line)}.report-note small{color:var(--muted);font-size:11px}.report-note p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:13px;margin-top:7px}.admin-pending-count{display:inline-block;margin-left:6px;background:#fff;border-radius:5px;padding:0 6px;font-size:11px;color:var(--brand)}@media(max-width:600px){.report-queue-summary{gap:8px}.report-queue-summary button{flex-direction:column;align-items:start;padding:12px;font-size:12px}.report-queue-toolbar{gap:8px}.report-queue-toolbar label{min-width:0;flex:1}.report-notes{padding:16px}}.admin-page .community-main{max-width:980px;padding-top:28px;font-size:14px;line-height:1.7}.admin-page .community-main>h1{font-size:22px;font-weight:650;margin:0 0 22px}.admin-page .admin-help{display:flex;justify-content:flex-end;max-width:none;margin:0 0 12px}.admin-help a{display:inline-flex;align-items:center;gap:6px;padding:4px 0;color:var(--brand);font-size:13px;text-underline-offset:4px}.admin-help a:focus-visible{outline:1px solid var(--brand);outline-offset:4px;border-radius:3px}.admin-page .community-tabs{display:flex;gap:5px;padding:5px;border:1px solid var(--line);border-radius:10px;background:var(--tint);margin:0 0 28px;width:fit-content;max-width:100%}.admin-page .community-tabs>button{padding:9px 16px;font-size:13px;line-height:1.6;white-space:nowrap;border:1px solid transparent;border-radius:7px;color:var(--text-secondary)}.admin-page .community-tabs>button.active{background:#fff;border-color:var(--control-border);color:var(--brand)}.admin-page .community-tabs>button:hover{color:var(--brand);background:var(--surface)}.admin-page .community-tabs>button:focus-visible{outline:2px solid var(--border-strong);outline-offset:1px}.admin-page .secondary-button{font-size:13px;white-space:nowrap;flex-shrink:0;padding:9px 14px;min-height:40px;color:var(--text-secondary)}.admin-page .community-search{max-width:600px;align-items:stretch}.admin-page .community-search input{font-size:14px;border-radius:7px;min-height:42px}.admin-members{display:grid;gap:22px}.admin-members-heading h2{font-size:20px;margin:0 0 7px;font-weight:650}.admin-members-heading p,.admin-help{color:var(--muted);font-size:13px;line-height:1.8;margin:0;max-width:650px}.admin-invite{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px 24px}.admin-invite h3{margin:0 0 14px;font-weight:600}.admin-invite .admin-help{margin-top:10px;font-size:12px}.admin-members-list{border:1px solid var(--line);border-radius:12px;padding:0 24px;background:#fff;min-width:0}.admin-list-heading{display:flex;align-items:center;gap:12px;padding:20px 0 16px;border-bottom:1px solid var(--line)}.admin-list-heading h3{margin:0;font-weight:600}.admin-list-heading>span{font-size:12px;color:var(--muted)}.admin-member-row{display:flex;align-items:center;gap:16px;padding:23px 0;border-bottom:1px solid var(--line);min-width:0}.admin-member-row:last-child{border-bottom:0}.admin-member-avatar{width:42px;height:42px;border-radius:12px;background:var(--tint);color:var(--brand);display:grid;place-items:center;font-size:19px;font-weight:650;flex-shrink:0;align-self:flex-start}.admin-member-info{flex:1;min-width:0}.admin-member-name{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.admin-member-name h3{font-size:15px;margin:0;overflow-wrap:anywhere}.admin-role-badge,.admin-permission-tags span{font-size:11px;line-height:1.5;padding:3px 8px;border-radius:5px;background:var(--tint);color:var(--brand)}.admin-role-badge{border:1px solid var(--line)}.admin-permission-tags{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}.admin-member-date{font-size:12px;color:var(--muted);margin:0}.admin-permission-panel{padding:24px;border:1px solid var(--control-border);border-radius:12px;background:#fff}.admin-permission-panel>h3{margin:0 0 6px;overflow-wrap:anywhere}.admin-permission-panel>p{font-size:12px;color:var(--muted);margin:0 0 18px}.admin-permission-panel fieldset{border:0;padding:0;margin:0;min-width:0}.admin-permission-panel legend{font-size:13px;font-weight:600;margin-bottom:12px}.admin-permission-panel .check-label{padding:13px 14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);gap:10px;font-size:13px}.admin-permission-panel input[type=checkbox]{flex-shrink:0}.admin-permission-panel .admin-actions{align-items:center;flex-wrap:wrap;margin:0}.admin-permission-panel .review-primary{padding:10px 18px;color:#fff;border-radius:7px}.admin-permission-panel details{border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:var(--muted)}.admin-permission-panel summary{cursor:pointer}.admin-permission-panel details p{margin:12px 0}.admin-permission-panel details button{color:#9b4540;overflow-wrap:anywhere;text-align:left}.admin-members>[role=status]{padding:10px 14px;background:var(--tint);color:var(--brand);border-radius:7px;font-size:13px;margin:0}@media(max-width:600px){.admin-page .community-main{padding:22px 16px 40px}.admin-page .community-tabs{width:100%;gap:4px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.admin-page .community-tabs>button{padding:8px 4px;font-size:12px}.admin-members{gap:18px}.admin-invite,.admin-permission-panel{padding:18px 16px}.admin-members-list{padding:0 16px}.admin-member-row{flex-wrap:wrap;gap:12px}.admin-member-row>.secondary-button{margin-left:54px}.admin-member-info{flex-basis:calc(100% - 54px)}.admin-member-name{gap:6px}.admin-page .community-search{gap:7px}.admin-invite .secondary-button{padding:9px 11px}}.about-dialog .about-school-link{margin-top:24px}.about-first-note{font-size:12px!important;color:var(--muted);margin-top:18px!important}.about-continue{display:block;margin:20px 0 0 auto;min-width:110px}.policy-page{height:100dvh;overflow:auto;background:var(--paper,#fff);color:var(--ink,#28392e)}.policy-shell{max-width:860px;margin:0 auto;padding:32px 28px 64px;font-size:16px;line-height:1.85;overflow-wrap:anywhere}.policy-shell h1{font-size:30px;margin:20px 0 8px}.policy-shell h2{font-size:20px;margin:28px 0 8px}.policy-shell p{margin:10px 0}.policy-shell li{margin:8px 0}.policy-meta{font-size:13px;color:var(--muted,#6a786e)}.policy-links{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px}.policy-links a,.policy-shell a{color:var(--green,#386f53);text-decoration:underline;text-underline-offset:3px}.policy-contact{padding:12px 20px;background:#f3f8f4;border:1px solid #dbe6de;border-radius:10px}.policy-contact h2{margin-top:6px}.auth-page>.auth-shell>.policy-links{justify-content:center;margin-top:22px}.auth-policy-notice{font-size:13px;line-height:1.7;color:var(--muted,#6a786e)}@media(max-width:600px){.policy-shell{padding:24px 18px 44px;font-size:15px}.policy-shell h1{font-size:26px}.site-footer .policy-links{gap:10px;font-size:11px}.site-footer{flex-wrap:wrap;row-gap:5px}}:root{font-family:Microsoft YaHei,PingFang SC,Noto Sans CJK SC,system-ui,sans-serif;color:var(--text);background:#fff;font-synthesis:none;--border:var(--line);--gold:#efad08;--radius:7px}*{box-sizing:border-box}body{margin:0;min-width:320px;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,select{cursor:pointer}button{color:inherit}button{border:0;background:none}button:disabled{cursor:default}button{transition:background .15s,color .15s,border-color .15s}button:hover{color:var(--brand)}svg{flex-shrink:0}h1,h2,h3,p{margin:0}button:active{transform:translateY(1px)}.app{height:100dvh;display:flex;flex-direction:column;overflow:hidden}.skip-link{position:fixed;left:12px;top:-70px;z-index:10;padding:10px;background:#fff;color:var(--brand)}.skip-link:focus{top:8px}.topbar{height:66px;min-height:66px;border-bottom:1px solid var(--border);display:flex;align-items:stretch;padding:0 30px;gap:68px;background:var(--surface-subtle)}.wordmark{padding:0;color:var(--brand);font-size:27px;font-weight:750;letter-spacing:2px;white-space:nowrap}.topbar nav{display:flex;gap:43px}.topbar nav>button{font-size:18px;padding:3px 0 0;position:relative;color:var(--text-secondary);border-bottom:3px solid transparent}.topbar nav>button.active{border-bottom-color:var(--brand);color:var(--brand);font-weight:650}.topbar nav>button:hover{color:var(--brand)}.nav-count{font-size:11px;margin-left:6px;color:var(--brand)}.about-link{margin-left:auto;padding:0;font-size:16px;color:var(--muted)}.workspace{flex:1;min-height:0;display:grid;grid-template-columns:34.8% minmax(0,1fr)}.course-sidebar{border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0}.search-area{padding:39px 30px 20px}.search-box{height:54px;display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--surface-subtle);gap:12px;padding:0 13px;color:var(--muted)}.search-box:focus-within{border-color:var(--focus-border)}.search-box input{width:100%;min-width:0;border:0;background:transparent;outline:none;font-size:17px;color:var(--text)}.search-box input::placeholder{color:var(--muted)}.icon-button{display:inline-flex;align-items:center;justify-content:center;padding:5px;border-radius:5px;color:var(--muted)}.icon-button:hover{background:var(--tint)}.filters{display:flex;gap:10px;margin-top:18px}.select-wrap{display:inline-flex;position:relative;min-width:0;align-items:center}.select-wrap select{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;border:1px solid var(--border);background:#fff;border-radius:6px;min-height:46px;color:var(--text-secondary);padding:9px 35px 9px 15px;text-overflow:ellipsis;font-size:16px}.select-wrap>svg{pointer-events:none;position:absolute;right:13px;color:var(--muted)}.filters .select-wrap{flex:1}.filters select{padding-left:13px}.course-list{overflow-y:auto;min-height:0;padding:0 20px 25px;scrollbar-width:thin;scrollbar-color:var(--control-border) transparent}.course-row{width:100%;position:relative;text-align:left;display:block;padding:22px 38px 24px 17px;min-height:172px;border:1px solid transparent;border-bottom-color:var(--border);border-left:3px solid transparent}.course-row:hover{background:var(--surface)}.course-row.selected{background:var(--tint);border-color:var(--line);border-left-color:var(--brand);border-radius:3px}.row-title{font-size:21px;font-weight:650;line-height:1.6;display:flex;gap:8px;align-items:center}.selected .row-title,.selected .row-arrow{color:var(--brand)}.row-meta{font-size:14px;line-height:1.8;color:var(--muted);margin-top:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-meta .row-meta-separator{font-size:11px;margin:0 7px;color:var(--border-strong)}.row-rating{display:flex;align-items:center;gap:15px;font-size:16px;margin-top:11px;white-space:nowrap}.stars{display:inline-flex;gap:3px;color:var(--gold);align-items:center;vertical-align:middle}.row-date{display:flex;gap:11px;align-items:center;color:var(--muted);font-size:14px;margin-top:11px;white-space:nowrap}.row-arrow{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted)}.result-summary{font-size:13px;color:var(--muted);padding:4px 15px 12px;display:flex;justify-content:space-between}.result-summary button{color:var(--brand);padding:0}.course-detail{padding:29px 40px 30px 33px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--control-border) transparent;min-width:0;scroll-behavior:smooth}.back-link{color:var(--muted);display:flex;align-items:center;gap:13px;padding:0;font-size:16px;min-height:26px}.course-heading{display:flex;justify-content:space-between;gap:18px;align-items:start;margin-top:28px}.course-heading h1{font-size:43px;line-height:1.35;letter-spacing:.3px;font-weight:720;color:var(--text)}.course-heading p{font-size:16px;color:var(--muted);line-height:1.8;margin-top:11px}.course-heading p span{margin:0 13px}.heading-actions{display:flex;flex-direction:column;align-items:flex-end;gap:15px;flex-shrink:0;padding-top:5px}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:11px;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:7px;min-height:48px;padding:10px 22px;font-weight:550;font-size:18px}.primary-button:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}.heading-actions>span{font-size:13px;color:var(--muted);white-space:nowrap}.offering-controls{display:flex;gap:16px;align-items:center;margin-top:22px;margin-bottom:21px}.offering-controls .select-wrap:first-child{width:218px}.offering-controls .select-wrap:nth-child(2){width:160px}.offering-controls select{min-height:50px}.bookmark-button{margin-left:auto;font-size:14px;display:flex;align-items:center;gap:6px;color:var(--muted);padding:9px 4px}.bookmark-button.is-saved{color:var(--brand)}.score-overview{display:grid;grid-template-columns:1.65fr repeat(3,1fr);align-items:center;padding:30px 0 36px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.overall-score>div{display:flex;gap:16px;align-items:baseline}.overall-score strong{font-size:70px;font-weight:650;color:var(--brand);line-height:1.2;letter-spacing:1px}.overall-score>div>span{font-size:28px;color:var(--muted)}.overall-score p{color:var(--muted);font-size:13px;margin-top:7px;white-space:nowrap}.overall-score p span{margin:0 7px}.score-metric{border-left:1px solid var(--border);text-align:center;display:flex;flex-direction:column;gap:15px;padding:4px 5px 0}.score-metric>span{font-size:16px;color:var(--muted)}.score-metric strong{font-size:27px;line-height:1.4;font-weight:450}.reviews-head{display:flex;align-items:center;justify-content:space-between;margin:22px 0 8px;gap:12px}.reviews-head h2{font-size:22px;font-weight:650}.reviews-head>div{display:flex;gap:23px}.borderless select{border:0;padding-left:8px;font-size:15px}.review{padding:22px 0 20px;border-bottom:1px solid var(--border);display:grid;grid-template-columns:169px minmax(0,1fr);gap:16px}.review-identity{display:flex;align-items:start;gap:12px}.avatar{width:42px;height:42px;border-radius:50%;background:var(--tint);display:flex;align-items:center;justify-content:center;color:var(--muted);flex-shrink:0}.review-identity strong{font-size:15px;font-weight:550;line-height:1.8;white-space:nowrap}.review-identity p{color:var(--muted);font-size:13px;margin-top:3px}.review-rating{display:flex;align-items:center;gap:15px;font-size:16px;min-height:29px}.review-rating time{margin-left:auto;font-size:13px;color:var(--muted);white-space:nowrap}.review-content{font-size:14px;line-height:2;color:var(--text);white-space:pre-line;margin:10px 0 12px;overflow-wrap:anywhere}.helpful-button{display:flex;gap:6px;align-items:center;color:var(--muted);border:1px solid var(--line);border-radius:5px;font-size:13px;padding:3px 8px;min-height:29px;background:var(--surface-subtle)}.helpful-button:hover,.helpful-button.voted{color:var(--brand);background:var(--tint);border-color:var(--control-border)}.mine-tag{font-size:11px;margin-left:5px;background:var(--tint);color:var(--brand);border-radius:3px;padding:1px 4px}.older-note{font-size:13px;color:#84622e;background:#fcf8f0;padding:12px;margin-top:10px;border-radius:5px}.load-more{width:100%;display:flex;justify-content:center;align-items:center;gap:8px;margin-top:20px;color:var(--brand);padding:13px;border:1px solid var(--border);border-radius:6px;font-size:14px}.load-more:hover{background:var(--tint)}.detail-end{margin-top:26px;text-align:center;color:var(--muted);font-size:13px}.site-footer{min-height:51px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:15px;color:var(--muted);font-size:13px;background:var(--surface-subtle)}.empty-state{text-align:center;padding:55px 18px;color:var(--muted)}.empty-state>svg{color:var(--muted);margin-bottom:12px}.empty-state h3{font-size:18px;font-weight:550;color:var(--text-secondary);margin-bottom:12px}.empty-state p{font-size:14px;line-height:1.8;max-width:330px;margin:0 auto 22px}.secondary-button{display:inline-flex;justify-content:center;align-items:center;min-height:43px;padding:9px 18px;border:1px solid var(--border);background:#fff;border-radius:6px;font-size:15px}.secondary-button:hover{background:var(--tint);border-color:var(--control-border)}dialog{width:min(580px,calc(100vw - 32px));max-height:calc(100dvh - 48px);border:1px solid var(--border);border-radius:14px;padding:0;color:var(--text);box-shadow:0 18px 90px var(--shadow-dialog)}dialog::backdrop{background:var(--overlay);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}dialog.wide-dialog{width:min(680px,calc(100vw - 32px))}.dialog-head{display:flex;justify-content:space-between;align-items:center;padding:22px 28px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#fff;z-index:2}.dialog-head h2{font-size:21px;font-weight:650}.review-form{padding:24px 28px}.form-course{font-size:21px;font-weight:600;color:var(--brand);margin-bottom:22px}.form-course>span{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:5px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:21px}.review-form label{font-size:14px;color:var(--text-secondary)}.review-form select{display:block;width:100%;margin-top:9px;height:43px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text);padding:0 12px}.rating-field{border:0;padding:0;margin:0;min-width:0}.rating-field legend{font-size:14px;color:var(--text-secondary);padding:0;margin-bottom:8px}.rating-field legend span,.content-label>span{color:var(--brand)}.rating-input{display:flex;align-items:center;gap:4px}.rating-input button{padding:2px;color:var(--gold);display:flex}.rating-input small{font-size:12px;color:var(--muted);margin-left:5px;white-space:nowrap}.content-label{display:block}.review-form textarea{display:block;width:100%;min-height:142px;resize:vertical;border:1px solid var(--border);border-radius:6px;margin-top:9px;padding:12px;line-height:1.8;font-size:14px;color:var(--text)}.review-form textarea::placeholder{color:var(--muted)}.form-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:11px;font-size:12px;color:var(--muted)}.checkbox-label{display:flex;align-items:center;gap:6px}.checkbox-label input{accent-color:var(--brand);width:16px;height:16px}.preview-note{font-size:12px;color:var(--muted);background:var(--surface);padding:10px 12px;border-radius:5px;line-height:1.7;margin-top:17px}.form-error{font-size:13px;color:#b13742;margin-top:12px}.form-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:20px}.form-actions .primary-button{font-size:15px;min-height:43px}.info-content{padding:27px 28px;font-size:15px;line-height:1.9;color:var(--text-secondary)}.info-content h3{font-size:16px;color:var(--text);margin-top:22px;margin-bottom:5px}.info-content>p{margin-top:12px}.info-note{background:var(--tint);padding:15px;font-size:13px;margin:24px 0;border-radius:6px}.info-content .primary-button{font-size:15px}.toast{position:fixed;bottom:72px;left:50%;transform:translate(-50%);background:#fff;border:1px solid var(--control-border);box-shadow:0 8px 35px var(--shadow-soft);border-radius:9px;padding:14px 18px;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);z-index:20;max-width:calc(100vw - 24px)}.toast>svg{color:var(--brand)}.toast button{display:flex;color:var(--muted);padding:2px}@media(min-width:1600px){.workspace{grid-template-columns:33% minmax(0,1fr)}.course-detail{padding-left:50px;padding-right:60px}.review-content{font-size:16px}.review{grid-template-columns:190px minmax(0,1fr)}.course-row{min-height:180px}}@media(max-width:1200px)and (min-width:761px){.topbar{gap:45px}.workspace{grid-template-columns:37% minmax(0,1fr)}.course-detail{padding:27px 24px}.search-area{padding:30px 20px 18px}.course-list{padding-left:12px;padding-right:12px}.row-rating{gap:9px;font-size:14px}.row-date{font-size:12px;gap:7px}.stars{gap:1px}.filters{gap:7px}.filters select{font-size:13px;padding-left:9px;padding-right:25px}.filters .select-wrap>svg{right:8px}.course-heading h1{font-size:32px}.course-heading p{font-size:13px}.course-heading p span{margin:0 7px}.heading-actions>span{display:none}.heading-actions .primary-button{font-size:16px;padding:10px 14px}.offering-controls{gap:10px}.overall-score strong{font-size:57px}.overall-score p{font-size:11px}.overall-score p span{margin:0 2px}.score-metric>span{font-size:13px}.score-metric strong{font-size:22px}.review{grid-template-columns:1fr;gap:8px}.review-identity .avatar{width:32px;height:32px}.review-identity>div:last-child{display:flex;gap:12px;align-items:center}.review-identity p{margin:0}.review-content{font-size:14px}.score-overview{grid-template-columns:1.6fr repeat(3,1fr)}}@media(max-width:760px){.topbar{height:61px;min-height:61px;padding:0 18px;gap:0;justify-content:space-between}.wordmark{font-size:21px;letter-spacing:1px}.topbar nav{gap:21px}.topbar nav>button{font-size:14px}.about-link{display:none}.workspace{display:block;position:relative}.course-sidebar{height:100%;border-right:0}.course-detail{display:none;height:100%;padding:20px 21px 30px}.show-detail .course-sidebar{display:none}.show-detail .course-detail{display:block}.search-area{padding:24px 21px 18px}.search-box{height:49px}.search-box input{font-size:16px}.filters{gap:9px;margin-top:13px}.filters select{font-size:14px;min-height:43px;padding-left:11px}.course-list{padding:0 13px 20px}.course-row{padding:20px 34px 23px 13px;min-height:164px}.row-title{font-size:20px}.row-meta{font-size:13px}.row-meta .row-meta-separator{margin:0 3px}.row-rating{font-size:14px;gap:12px}.row-date{font-size:12px;gap:9px}.site-footer{min-height:40px;font-size:11px;gap:10px}.site-footer .footer-extra,.site-footer>span:nth-child(2){display:none}.back-link{font-size:14px;gap:8px}.course-heading{margin-top:19px;gap:8px}.course-heading h1{font-size:28px;line-height:1.5;letter-spacing:0}.course-heading p{font-size:12px;line-height:1.9;margin-top:6px}.course-heading p span{margin:0 6px}.heading-actions{padding-top:4px}.heading-actions .primary-button{font-size:14px;min-height:42px;padding:8px 12px;gap:6px}.heading-actions .primary-button svg{width:19px}.heading-actions>span{display:none}.offering-controls{gap:8px;margin-top:19px;margin-bottom:19px}.offering-controls .select-wrap:first-child{width:auto;flex:1.2}.offering-controls .select-wrap:nth-child(2){width:auto;flex:.9}.offering-controls select{min-height:44px;font-size:13px;padding-left:10px;padding-right:25px}.offering-controls .select-wrap>svg{right:9px}.bookmark-button{font-size:12px;padding:8px 0;gap:3px}.bookmark-button>span{display:none}.score-overview{grid-template-columns:repeat(3,1fr);padding:19px 0 22px;row-gap:22px}.overall-score{grid-column:1 / -1;display:flex;gap:15px;align-items:center}.overall-score strong{font-size:54px}.overall-score>div{gap:9px}.overall-score>div>span{font-size:22px}.overall-score p{font-size:11px;white-space:normal;line-height:1.9;margin:0}.overall-score p span{display:none}.score-metric{gap:7px;padding:0}.score-metric:nth-child(2){border-left:0}.score-metric>span{font-size:13px}.score-metric strong{font-size:23px}.reviews-head{margin:17px 0 0;gap:5px}.reviews-head h2{font-size:18px;white-space:nowrap}.reviews-head>div{gap:6px}.borderless select{font-size:12px;padding:8px 22px 8px 3px;min-height:40px}.borderless>svg{right:4px;width:12px}.review{grid-template-columns:1fr;gap:10px;padding:19px 0 22px}.review-identity{gap:9px;align-items:center}.avatar{width:33px;height:33px}.avatar svg{width:19px}.review-identity>div:last-child{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.review-identity strong{font-size:14px}.review-identity p{font-size:12px;margin:0}.review-rating{font-size:14px;gap:10px;min-height:22px}.review-rating time{font-size:11px}.review-rating .stars svg{width:17px;height:17px}.review-content{font-size:14px;line-height:1.95;margin-top:8px}.helpful-button{min-height:34px}.detail-end{font-size:11px;line-height:1.8}.toast{width:max-content;font-size:12px;bottom:56px;padding:12px;gap:7px}.dialog-head{padding:18px}.dialog-head h2{font-size:18px}.review-form{padding:19px}.form-grid{gap:14px;margin-bottom:18px}.rating-input{gap:1px;flex-wrap:wrap}.rating-input svg{width:23px;height:23px}.rating-input small{width:100%;margin:4px 0 0 2px}.form-course{font-size:20px}.info-content{padding:22px;font-size:14px}.preview-note{font-size:11px}.info-content h3{font-size:15px}}@media(min-width:1201px){.topbar{gap:86px}.course-heading p{margin-top:7px}.offering-controls{margin-top:18px}.score-overview{padding-bottom:29px}.review-content{font-size:16px;line-height:1.9}.review-identity strong{font-size:16px}.review-identity p,.review-rating time{font-size:14px}.row-meta,.row-date{font-size:15px}.row-rating{gap:17px}.review{grid-template-columns:178px minmax(0,1fr)}.overall-score p,.site-footer{font-size:14px}}@media(min-width:1201px){.review-content{font-size:15px;line-height:2}.reviews-head{margin-top:19px}.review{padding-top:17px}.review-rating time{font-size:15px}.helpful-button{font-size:14px;min-height:31px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.filter-toggle{position:relative}.filter-toggle.has-filters{color:var(--brand);background:var(--tint)}.filter-count{position:absolute;top:-4px;right:-4px;min-width:15px;height:15px;padding:0 3px;border-radius:8px;background:var(--brand);color:#fff;font-size:10px;line-height:15px}.more-error{padding:14px;text-align:center;font-size:12px;color:#9b4b5c;line-height:1.8}.share-fallback{font-size:12px;padding:12px;background:var(--surface);color:var(--text-secondary);margin-bottom:12px;border-radius:6px}.share-fallback input{display:block;width:100%;padding:9px;margin-top:7px;border:1px solid var(--control-border);border-radius:4px;font-size:12px}.catalog-app .copy-link{min-width:32px;min-height:36px;justify-content:center}.catalog-app .course-detail .course-heading{margin-top:0}.catalog-app .course-sidebar .search-area{padding:14px 20px 6px}.catalog-app .course-sidebar .search-box{height:44px}.catalog-app .course-sidebar .filters{margin-top:8px;gap:8px}.catalog-app .course-sidebar .filters select{min-height:38px;padding-top:6px;padding-bottom:6px}.list-toolbar{display:flex;align-items:center;gap:9px;padding:3px 20px 8px;border-bottom:1px solid var(--tint);flex-shrink:0}.result-count{flex:1;min-width:0;font-size:12px;color:var(--muted);white-space:nowrap}.reset-filters{font-size:12px;color:var(--brand);padding:7px 0;white-space:nowrap}.list-toolbar .select-wrap{display:flex;align-items:center;width:132px}.list-toolbar select{font-size:12px;min-height:34px;padding:6px 25px 6px 8px;background:transparent}.list-toolbar .select-wrap>svg{right:7px}.course-sidebar .search-expansion{padding:5px 20px;font-size:10px}@media(max-width:760px){.catalog-app .course-sidebar .search-area{padding:12px 20px 5px}.catalog-app .course-sidebar .filters select,.list-toolbar select,.reset-filters{min-height:40px}.list-toolbar{padding-top:0;padding-bottom:5px}}.search-hint{font-size:11px;color:var(--muted);line-height:1.7;margin-top:9px}.search-expansion{font-size:11px;line-height:1.7;color:var(--text-secondary);padding:10px 26px;background:var(--surface);border-bottom:1px solid var(--tint);overflow-wrap:anywhere}.match-reasons{display:flex;flex-wrap:wrap;gap:4px;margin-top:9px}.match-reasons span{font-size:10px;line-height:1.7;color:var(--text-secondary);border:1px solid var(--line);border-radius:4px;padding:1px 5px;overflow-wrap:anywhere}.catalog-app mark{color:var(--text-secondary);background:var(--tint);border-radius:2px;padding:0}.course-code{overflow-wrap:anywhere}.row-eyebrow{gap:8px}.row-eyebrow>span:first-child{overflow-wrap:anywhere}.row-eyebrow>span:last-child{flex-shrink:0}.series-info{margin:-8px 0 29px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:8px}.series-info h2{font-size:14px;color:var(--text-secondary)}.series-info p{font-size:12px;color:var(--muted);line-height:1.9;margin-top:8px}.series-info ul{list-style:none;padding:0;margin:13px 0}.series-info li{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-top:1px solid var(--line)}.series-info li strong{display:block;font-size:13px;font-weight:550;color:var(--text-secondary)}.series-info li span{font-size:11px;color:var(--muted);line-height:1.8}.series-info li>span{flex-shrink:0}.series-info .missing-part{border-top:1px dashed var(--line);padding-top:10px;color:var(--muted)}@media(max-width:400px){.series-info{padding:15px}.series-info li{align-items:flex-start;flex-direction:column;gap:4px}.search-hint{font-size:10px}.catalog-app .search-box{gap:5px}}.catalog-app .topbar{height:78px;min-height:78px;gap:65px;padding:0 32px;background:#fff}.catalog-app .wordmark{font-size:24px;letter-spacing:1px;line-height:1.3;text-align:left}.brand-label{display:block;font-size:9px;letter-spacing:2.3px;font-weight:500;color:var(--muted);margin-top:5px}.catalog-app .topbar nav>button{font-size:16px}.catalog-app .about-link{display:flex;align-items:center;gap:7px;font-size:13px}.catalog-app .workspace{grid-template-columns:minmax(370px,35%) minmax(0,1fr)}.catalog-app .search-area{padding:28px 25px 15px}.catalog-kicker{display:flex;align-items:center;justify-content:space-between;color:var(--text-secondary);font-size:13px;letter-spacing:.5px;margin-bottom:16px}.catalog-app .search-box{height:49px;background:var(--surface-subtle)}.catalog-app .search-box input{font-size:15px}.catalog-app .filters{margin-top:12px;gap:8px}.catalog-app .filters select{font-size:13px;min-height:40px;padding:8px 28px 8px 11px}.catalog-app .filters .select-wrap>svg{right:9px}.catalog-app .secondary-filters{margin-top:8px}.catalog-app .secondary-filters .select-wrap:first-child{flex:1.35}.catalog-app .result-summary{padding:10px 26px 15px;font-size:12px;gap:8px;border-bottom:1px solid var(--tint)}.catalog-app .result-summary>span:last-child{color:var(--muted)}.catalog-app .course-list{padding:7px 14px 25px}.catalog-app .course-row{min-height:170px;padding:19px 29px 18px 15px;margin-bottom:4px}.row-eyebrow{font-size:11px;color:var(--muted);letter-spacing:.4px;display:flex;justify-content:space-between;margin-bottom:6px}.row-eyebrow>span{color:var(--text-secondary);letter-spacing:0}.catalog-app .row-title{font-size:19px;line-height:1.55;overflow-wrap:anywhere}.catalog-app .row-meta{font-size:12px;margin-top:6px}.catalog-app .row-meta .row-meta-separator{margin:0 5px}.row-teacher{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--text-secondary);margin-top:9px}.row-teacher>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-teacher small{white-space:nowrap;font-size:11px;color:var(--muted)}.catalog-app .row-date{font-size:11px;color:var(--muted);margin-top:11px;gap:14px}.unrated{color:var(--muted);background:var(--tint);border-radius:4px;padding:2px 6px}.catalog-app .row-arrow{right:5px;width:17px}.catalog-app .course-detail{padding:28px 38px 32px;background:#fff;scroll-behavior:auto}.detail-topline{display:flex;align-items:center;justify-content:space-between;gap:15px}.catalog-app .back-link{font-size:12px;gap:7px;color:var(--muted)}.live-badge{font-size:11px;color:var(--muted);display:flex;gap:7px;align-items:center}.live-badge>span{width:6px;height:6px;background:var(--muted);border-radius:50%}.catalog-app .course-heading{margin-top:35px;gap:22px}.course-code{font-size:12px;color:var(--muted);letter-spacing:1px;margin-bottom:11px}.catalog-app .course-heading>div{min-width:0}.catalog-app .course-heading h1{font-size:34px;line-height:1.4;overflow-wrap:anywhere;letter-spacing:0;color:var(--text)}.catalog-app .course-heading p{font-size:13px;margin-top:12px;color:var(--muted);line-height:1.9}.save-course{display:flex;align-items:center;justify-content:center;gap:7px;color:var(--brand);border:1px solid var(--control-border);border-radius:6px;padding:10px 12px;white-space:nowrap;font-size:13px;flex-shrink:0;margin-top:28px}.save-course:hover,.save-course.is-saved{background:var(--surface)}.course-facts{display:grid;grid-template-columns:1fr 1fr 1.3fr 1fr;margin:30px 0;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.course-facts>div{display:flex;flex-direction:column;gap:10px;padding-left:26px;border-left:1px solid var(--tint)}.course-facts>div:first-child{padding-left:0;border:0}.course-facts span{font-size:12px;color:var(--muted)}.course-facts strong{font-size:24px;font-weight:550;color:var(--text)}.course-facts>div:nth-child(3) strong{font-size:21px;line-height:1.5}.course-facts small{font-size:12px;font-weight:400}.detail-section-title{display:flex;align-items:center;justify-content:space-between;gap:15px}.detail-section-title h2{font-size:20px;font-weight:650;color:var(--text)}.detail-section-title p{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.7}.section-number{font-size:28px;font-weight:350;color:var(--control-border)}.catalog-app .offering-controls{margin:16px 0 15px;gap:15px}.catalog-app .offering-controls .select-wrap:first-child{width:min(330px,65%);flex:initial}.catalog-app .offering-controls select{min-height:41px;font-size:13px}.copy-link{margin-left:auto;display:flex;gap:6px;align-items:center;white-space:nowrap;font-size:12px;color:var(--muted);padding:8px 0}.teaching-groups{display:flex;flex-direction:column;gap:12px}.teaching-card{border:1px solid var(--line);border-radius:8px;padding:18px 20px;background:var(--surface-subtle)}.teaching-heading{display:flex;align-items:flex-start;gap:13px}.teacher-avatar{display:flex;padding:9px;background:var(--tint);border-radius:7px;color:var(--muted)}.teaching-heading>div{flex:1;min-width:0}.teaching-heading h3{font-size:15px;font-weight:550;color:var(--text);line-height:1.7;overflow-wrap:anywhere}.teaching-heading p{font-size:11px;color:var(--muted);margin-top:5px}.teaching-count{font-size:11px;color:var(--muted);white-space:nowrap;padding-top:5px}.teaching-card details{margin-top:14px;padding-top:11px;border-top:1px dashed var(--line)}.teaching-card summary{font-size:11px;cursor:pointer;color:var(--muted);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:8px}.teaching-card summary::-webkit-details-marker{display:none}.teaching-card details[open] summary svg{transform:rotate(180deg)}.section-table{margin-top:12px;overflow-x:auto}.section-table table{width:100%;border-collapse:collapse;font-size:11px;text-align:left}.section-table th{font-weight:500;color:var(--muted);background:var(--surface)}.section-table th,.section-table td{padding:9px 6px;border-bottom:1px solid var(--tint)}.section-table td{color:var(--muted);white-space:nowrap}.reviews-title{margin-top:31px}.zero-count{font-size:13px;color:var(--muted);padding:3px 7px;background:var(--tint);border-radius:4px;margin-left:4px;font-weight:400}.review-empty{margin-top:18px;display:flex;align-items:flex-start;gap:17px;padding:25px;border-radius:8px;background:var(--surface);border:1px solid var(--tint)}.review-empty-icon{color:var(--muted);padding-top:2px}.review-empty h3{font-size:15px;color:var(--text-secondary);font-weight:550}.review-empty p{font-size:12px;line-height:1.9;color:var(--muted);margin-top:8px;max-width:480px}.coming-soon{display:inline-block;margin-top:13px;font-size:11px;color:var(--muted);border:1px solid var(--line);padding:5px 8px;border-radius:4px}.source-note{margin-top:27px;display:flex;gap:11px;color:var(--muted);font-size:11px;line-height:1.9;padding:18px 0;border-bottom:1px solid var(--tint)}.source-note>svg{margin-top:3px}.source-note strong{font-weight:500;color:var(--muted);font-size:12px}.source-note a,.source-link{display:inline-flex;align-items:center;gap:4px;color:var(--muted);text-decoration:none}.source-note a:hover,.source-link:hover{text-decoration:underline}.catalog-app .detail-end{font-size:11px;color:var(--border-strong);margin-top:22px}.catalog-app .site-footer{font-size:11px;min-height:42px;gap:28px}.site-footer button{font-size:11px;color:var(--muted);padding:5px}.inline-error{font-size:12px;color:#aa4a54;line-height:1.7;padding:10px 0}.inline-error button{color:var(--brand);text-decoration:underline}.list-end{font-size:11px;text-align:center;color:var(--border-strong);padding:23px 0}.text-button{color:var(--brand);font-size:13px;padding:15px 0 0}.skeleton-card{padding:28px 20px;border-bottom:1px solid var(--tint)}.skeleton-card i{display:block;height:12px;border-radius:4px;background:var(--tint);margin-bottom:15px;width:80%}.skeleton-card i:first-child{height:22px;width:65%}.skeleton-card i:last-child{width:45%;margin:0}.detail-skeleton{padding:80px 20px;text-align:center;color:var(--muted);font-size:14px}@media(min-width:1600px){.catalog-app .workspace{grid-template-columns:minmax(420px,32%) minmax(0,1fr)}.catalog-app .course-detail{padding:32px 64px}.catalog-app .course-heading h1{font-size:39px}.catalog-app .search-area{padding-left:30px;padding-right:30px}.catalog-app .row-title{font-size:21px}.catalog-app .course-row{padding-top:22px;padding-bottom:22px}}@media(max-width:1050px)and (min-width:761px){.catalog-app .workspace{grid-template-columns:350px minmax(0,1fr)}.catalog-app .course-detail{padding:25px}.catalog-app .course-heading h1{font-size:28px}.catalog-app .save-course span{display:none}.catalog-app .live-badge{font-size:10px}.course-facts>div{padding-left:15px}.course-facts strong{font-size:21px}.course-facts>div:nth-child(3) strong{font-size:18px}.teaching-card{padding:15px}.review-empty{padding:18px}.copy-link{font-size:11px}.catalog-app .search-area{padding-left:20px;padding-right:20px}}@media(max-width:760px){.catalog-app .topbar{height:66px;min-height:66px;padding:0 19px;gap:12px}.catalog-app .wordmark{font-size:20px}.brand-label{font-size:8px;letter-spacing:1.5px}.catalog-app .topbar nav{gap:20px}.catalog-app .topbar nav>button{font-size:14px}.catalog-app .about-link{display:none}.catalog-app .workspace{display:block}.catalog-app .search-area{padding:22px 21px 13px}.catalog-app .course-list{padding-left:13px;padding-right:13px}.catalog-app .course-row{padding-left:15px;min-height:170px}.catalog-app .course-detail{padding:22px}.catalog-app .course-heading{margin-top:27px;gap:12px}.catalog-app .course-heading h1{font-size:28px}.catalog-app .course-heading p{font-size:12px}.catalog-app .course-heading p span{margin:0 7px}.course-code{font-size:11px}.save-course{padding:9px;margin-top:29px}.save-course span{display:none}.live-badge{font-size:9px}.course-facts{margin-top:24px;padding:20px 0;gap:0}.course-facts>div{padding-left:13px;gap:9px}.course-facts strong{font-size:22px}.course-facts>div:nth-child(3) strong{font-size:18px;line-height:1.7}.course-facts span{font-size:11px}.detail-section-title h2{font-size:19px}.detail-section-title p{font-size:11px}.teaching-card{padding:15px}.teaching-heading{gap:10px}.teaching-count{font-size:10px}.teacher-avatar{padding:7px}.teacher-avatar svg{width:19px}.teaching-heading h3{font-size:14px}.teaching-heading p{font-size:10px}.catalog-app .offering-controls .select-wrap:first-child{width:65%}.copy-link{font-size:0}.copy-link svg{width:19px;height:19px}.review-empty{gap:13px;padding:20px 17px}.review-empty h3{font-size:14px}.review-empty p{font-size:12px}.catalog-app .site-footer{gap:16px;min-height:40px;font-size:10px}.catalog-app .site-footer button,.source-note{font-size:10px}.catalog-app .detail-topline{gap:7px}}:root{--brand:#217050;--brand-dark:#18543c;--text:#25382d;--text-secondary:#52675a;--muted:#6d7d73;--tint:#eaf3ed;--surface:#f5f9f6;--surface-subtle:#fbfdfb;--line:#dce6df;--control-border:#bed0c3;--border-strong:#93b5a0;--focus-border:#6a9b7e;--focus-tint:#21705012;--shadow-soft:#193d290a;--shadow-dialog:#193d2930;--overlay:#172c2055}.mobile-detail-back{display:none}.catalog-app .course-detail .course-heading{align-items:flex-start;gap:15px}.catalog-app .course-detail .course-heading h1{font-size:28px;line-height:1.4}.catalog-app .course-detail .course-heading p{font-size:12px;line-height:1.6;margin-top:6px;overflow-wrap:anywhere}.catalog-app .course-detail .save-course{margin-top:0;padding:8px 10px;min-height:38px}.reviews-focus{margin-top:20px}.review-heading{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px}.review-heading h2{font-size:18px;font-weight:600;color:var(--text)}.catalog-app .reviews-focus .offering-controls{margin:11px 0 12px;gap:12px}.catalog-app .reviews-focus .offering-controls .select-wrap:first-child{width:min(320px,75%)}.catalog-app .reviews-focus .offering-controls select{min-height:38px}.catalog-app .compact-review-empty{margin:0;padding:18px 16px;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--tint);border-radius:6px}.compact-review-empty>svg{color:var(--muted)}.catalog-app .compact-review-empty h3{font-size:14px;line-height:1.5;color:var(--text-secondary)}.catalog-app .compact-review-empty p{margin-top:3px;font-size:12px;line-height:1.6}.course-reference{margin-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.course-reference summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;min-height:42px;line-height:1.6}.course-reference summary::-webkit-details-marker{display:none}.course-reference>summary>span:first-child{font-weight:500;color:var(--text-secondary)}.course-reference summary>span:last-child{display:flex;align-items:center;gap:6px;flex-shrink:0;font-size:11px;color:var(--muted)}.course-reference[open]>summary svg,.reference-teachers details[open]>summary svg{transform:rotate(180deg)}.reference-content{padding:4px 0 12px}.reference-note{font-size:11px;line-height:1.8;color:var(--muted);margin-bottom:10px}.reference-members{list-style:none;margin:0 0 12px;padding:0}.reference-members li{padding:8px 0;border-bottom:1px solid var(--tint);line-height:1.8}.reference-members strong{display:block;font-weight:500;color:var(--text-secondary);font-size:12px}.reference-members span{display:block;font-size:11px;overflow-wrap:anywhere}.reference-teachers>details{border-bottom:1px solid var(--tint)}.reference-teachers summary>span:first-child{overflow-wrap:anywhere}.reference-source{font-size:11px;line-height:1.8;margin-top:14px;color:var(--muted)}.reference-source a{display:inline-flex;align-items:center;gap:3px;color:var(--muted);text-decoration:none}@media(max-width:760px){.catalog-app .course-detail .course-heading{gap:8px}.catalog-app .course-heading .mobile-detail-back{display:inline-flex;align-items:center;justify-content:center;flex:0 0 36px;width:36px;min-height:40px;padding:7px;margin-left:-8px;border-radius:5px;color:var(--text-secondary)}.catalog-app .course-heading .mobile-detail-back:hover{background:var(--surface);color:var(--brand)}.catalog-app .course-heading>div{flex:1}.catalog-app .course-detail{padding:19px 20px}.catalog-app .course-detail .course-heading h1{font-size:24px}.catalog-app .course-detail .course-heading p{font-size:11px}.catalog-app .course-detail .save-course{padding:8px}.reviews-focus{margin-top:16px}.review-heading{padding-top:13px}.catalog-app .reviews-focus .offering-controls select{min-height:40px}}.review-primary{background:var(--brand);color:#fff;padding:9px 15px;border-radius:6px;font-size:13px;min-height:38px;white-space:nowrap}.review-primary:hover,.review-primary:focus-visible{background:var(--brand-dark);color:#fff}button:disabled{cursor:not-allowed;opacity:.55}.review-heading{gap:10px}.review-heading h2{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.review-average{font-size:14px;font-weight:500;color:var(--brand);margin-left:5px}.review-loading,.review-feedback{padding:12px 0;font-size:13px;color:var(--text-secondary);line-height:1.7}.student-review{padding:17px 0;border-bottom:1px solid var(--tint)}.student-review-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;font-size:13px;color:var(--text)}.student-review-heading>span{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.student-review-heading small{font-size:11px;background:var(--tint);padding:2px 5px;border-radius:3px;color:var(--text-secondary)}.student-review-heading strong{display:flex;align-items:center;gap:4px;color:var(--brand);white-space:nowrap;font-weight:500}.student-review-scope{font-size:11px;color:var(--muted);margin-top:6px;line-height:1.7;overflow-wrap:anywhere}.student-review-content{font-size:14px;line-height:1.85;color:var(--text);margin-top:10px;white-space:pre-wrap;overflow-wrap:anywhere}.student-review-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:var(--muted);margin-top:7px}.student-review-footer>div{display:flex;gap:15px}.student-review-footer>button,.student-review-footer>div>button{color:var(--text-secondary);padding:8px 0;font-size:12px}.student-review.withdrawn{background:var(--surface);padding:15px 12px;border-radius:5px;margin-top:10px}.withdraw-confirm{display:flex;align-items:center;gap:15px;flex-wrap:wrap;background:var(--surface);padding:10px;font-size:12px;line-height:1.7;color:var(--text-secondary)}.withdraw-confirm button{padding:7px 0;text-decoration:underline}.student-review-footer .review-delete-button{color:#9b4c4c}.delete-confirm{background:#fcf4f3;color:#924747}.review-pagination{display:flex;justify-content:center;align-items:center;gap:20px;font-size:12px;margin-top:18px;color:var(--text-secondary)}.review-pagination button{padding:10px}dialog.review-dialog{width:min(600px,calc(100vw - 24px));max-height:calc(100dvh - 32px);padding:0;border-radius:12px;overflow:auto;color:var(--text)}.review-dialog .dialog-head{padding:20px 24px 15px;align-items:flex-start;border-bottom:1px solid var(--tint)}.review-dialog .dialog-head h2{font-size:20px}.review-dialog .dialog-head p{font-size:13px;margin-top:6px;line-height:1.5}.review-form{padding:20px 24px}.review-form fieldset{border:0;margin:0;padding:0;min-width:0}.review-form label{display:flex;flex-direction:column;gap:7px;font-size:13px;min-width:0}.review-form select,.review-form textarea{width:100%;min-width:0;background:#fff;border:1px solid var(--control-border);border-radius:5px;padding:10px;font:inherit;color:var(--text);line-height:1.6}.review-form select{height:44px;text-overflow:ellipsis;margin-top:0}.review-form textarea{resize:vertical;min-height:125px;margin-top:0}.review-form textarea:focus{outline:none;box-shadow:none;border-color:var(--focus-border)}.review-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}.review-form-note{font-size:11px;line-height:1.8;color:var(--muted);margin:10px 0}.review-form .rating-input{display:block;margin:17px 0}.rating-input legend{font-size:13px;margin-bottom:9px}.rating-input>div{display:flex;gap:8px}.review-form .rating-input label{position:relative;flex:1;flex-direction:row;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line);border-radius:5px;min-height:44px;cursor:pointer}.rating-input input{position:absolute;opacity:0;top:0;right:0;bottom:0;left:0;width:100%;height:100%;cursor:pointer}.review-form .rating-input label:focus-within{border-color:var(--brand);background:var(--surface)}.rating-input label.selected{color:var(--brand);background:var(--surface);border-color:var(--focus-border)}.rating-input p,.review-character-count{font-size:11px;color:var(--muted);margin-top:7px}.review-character-count{text-align:right;margin-top:0}.review-form-actions{display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:16px}.review-form-actions .secondary-button{padding:9px 12px;min-height:40px}.review-form .review-dimension-inputs{margin:0 0 18px}.review-dimension-inputs legend{font-size:13px;margin-bottom:10px}.review-dimension-inputs legend span{font-size:11px;color:var(--muted);margin-left:5px}.review-dimension-inputs>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}.student-review-dimensions{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:8px;font-size:12px;line-height:1.7;color:var(--muted)}.student-review-dimensions b{font-weight:400;color:var(--text)}@media(max-width:480px){.review-dialog .dialog-head,.review-form{padding:16px}.review-form-grid{grid-template-columns:1fr;gap:12px}.rating-input>div{gap:5px}.review-form .rating-input label{gap:3px;font-size:12px}.rating-input svg{width:14px}.review-heading h2{font-size:16px}.review-average{margin:0}.student-review-content{font-size:14px}}.student-review-footer .review-report-button{display:inline-flex;align-items:center;justify-content:center;padding:5px 8px;min-height:36px;border:1px solid transparent;border-radius:6px;line-height:1.4;background:transparent}.student-review-footer .review-report-button:hover:not(:disabled),.student-review-footer .review-report-button:focus-visible{color:#9b4c4c;background:#faeeee}.student-review-footer .review-report-button:focus-visible{border-color:#d8aaaa;outline:none;box-shadow:none}@media(max-width:480px){.student-review-footer .review-report-button{min-height:40px}}.review-heading-actions{display:flex;align-items:center;gap:12px}.review-heading-actions .copy-link{margin:0;min-height:38px}.review-filters{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1.5fr) minmax(88px,.8fr);align-items:end;gap:12px;margin:16px 0}.review-filters>label{display:flex;flex-direction:column;gap:6px;min-width:0;font-size:11px;color:var(--muted)}.review-filters .wrapping-select{width:100%;min-width:0}.review-filters .category-select-trigger{font-size:12px;min-height:38px;width:100%}.review-filters .category-select-trigger>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.review-filter-summary{font-size:11px;line-height:1.7;color:var(--muted);margin:0 0 12px}@media(max-width:480px){.review-filters{gap:8px;grid-template-columns:minmax(0,1.2fr) minmax(0,1.5fr) 88px}.review-filters .category-select-trigger{padding-left:8px;padding-right:8px;gap:4px}.review-heading-actions{gap:10px}}.home-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--text-secondary);font-size:12px;line-height:1.7}.home-footer p{margin:0;color:var(--muted)}.home-footer nav{display:flex;align-items:center;flex-wrap:wrap;gap:4px 22px}.home-footer nav a,.home-footer nav button{display:inline-flex;align-items:center;min-height:32px;padding:0;font:inherit;color:inherit;background:transparent;text-decoration:none}.home-footer nav a:hover,.home-footer nav button:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}@media(max-width:760px){.home-footer{flex-direction:column;align-items:center;gap:8px;margin-top:30px;padding-top:18px;text-align:center}.home-footer nav{justify-content:center;gap:4px 18px}}.home-search input:focus{outline:none;box-shadow:none}.home-search:focus-within,.catalog-app .search-box:focus-within{border-color:var(--focus-border);box-shadow:none}.catalog-app select:focus{outline:none;box-shadow:none;border-color:var(--focus-border)}.workspace[hidden]{display:none!important}.home-page{flex:1;min-height:0;overflow-y:auto;background:#fff;color:var(--text)}.home-container{max-width:1180px;margin:0 auto;padding:40px 40px 48px}.home-search-section{padding-bottom:29px;border-bottom:1px solid var(--line)}.home-eyebrow{font-size:12px;letter-spacing:1px;color:var(--muted)}.home-intro h1{font-family:Songti SC,"Noto Serif CJK SC",SimSun,serif;font-size:34px;font-weight:600;line-height:1.55;margin:9px 0 23px;letter-spacing:1px}.home-title-break{display:none}.home-search{display:flex;align-items:center;gap:15px;padding:7px 8px 7px 19px;border:1px solid var(--control-border);border-radius:9px;background:var(--surface);box-shadow:0 3px 12px var(--shadow-soft)}.home-search>svg{color:var(--muted)}.home-search input{flex:1;min-width:0;font-size:17px;border:0;background:transparent;color:var(--text);padding:8px 0;line-height:1.6;outline-offset:0}.home-search input::placeholder{color:var(--muted)}.home-search button{display:flex;align-items:center;justify-content:center;gap:18px;min-height:46px;padding:0 22px;border-radius:6px;background:var(--brand);color:#fff;font-size:14px}.home-search button:hover,.home-search button:focus-visible{background:var(--brand-dark);color:#fff}.home-search-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:12px;font-size:11px;color:var(--muted);line-height:1.7}.home-page a{color:inherit;text-decoration:none}.home-search-bottom a{display:flex;align-items:center;gap:4px;color:var(--brand);white-space:nowrap;min-height:28px}.home-columns{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:52px;margin-top:26px}.home-section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.home-section-heading h2{font-size:17px;font-weight:600}.home-section-heading>span{font-size:11px;color:var(--muted)}.home-categories>section+section{margin-top:25px}.home-category-list{border-top:1px solid var(--line)}.home-category-list a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;min-height:42px;border-bottom:1px solid var(--tint);font-size:12px;line-height:1.7}.home-category-list a>span{flex:1}.home-category-list a>small{white-space:nowrap;color:var(--muted);font-size:10px}.home-category-list svg{color:var(--muted)}.home-page a:hover{color:var(--brand)}.home-feed-empty{padding:34px 20px;display:flex;align-items:flex-start;flex-direction:column;gap:9px;background:var(--surface);border:1px solid var(--tint);border-radius:6px;margin-top:16px}.home-feed-empty>svg{color:var(--muted)}.home-feed-empty h3{font-size:15px;font-weight:500;margin-top:7px}.home-feed-empty p{font-size:12px;color:var(--muted);line-height:1.8}.home-feed-empty a,.home-feed-empty button{display:flex;align-items:center;gap:8px;color:var(--brand);font-size:12px;padding:9px 0;min-height:36px}.home-loading{padding:22px 0;font-size:12px;color:var(--muted)}.home-review{border-bottom:1px solid var(--line)}.home-review>a{display:block;padding:16px 0}.home-review-title{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.home-review-title h3{font-size:16px;line-height:1.6;font-weight:600;overflow-wrap:anywhere}.home-review-title>span{display:flex;align-items:center;gap:4px;white-space:nowrap;color:var(--brand);font-size:13px;margin-top:4px}.home-review-scope{font-size:11px;line-height:1.8;color:var(--muted);margin-top:5px}.home-review-text{font-size:14px;line-height:1.85;color:var(--text);white-space:pre-wrap;overflow-wrap:anywhere;margin-top:9px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.home-review-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;color:var(--muted);margin-top:11px}.home-review-bottom>span:last-child{display:flex;align-items:center;gap:4px;color:var(--muted)}.catalog-app .topbar nav{gap:28px}@media(max-width:900px){.home-container{padding:30px 26px}.home-columns{gap:28px;grid-template-columns:minmax(0,1fr) 270px}}@media(max-width:760px){.home-container{padding:26px 20px 32px}.home-intro h1{font-size:28px;line-height:1.5;margin-bottom:19px}.home-title-break{display:initial}.home-eyebrow{font-size:11px}.home-search{padding:6px;gap:7px}.home-search>svg{margin-left:4px;width:19px}.home-search input{font-size:14px}.home-search button{padding:0 13px;min-height:44px;gap:0}.home-search button svg{display:none}.home-search-bottom{align-items:flex-start;flex-direction:column;gap:4px}.home-columns{grid-template-columns:1fr;gap:26px;margin-top:22px}.home-categories{display:grid;grid-template-columns:1fr;gap:24px}.home-categories>section+section{margin-top:0}.home-feed-empty{padding:23px 18px}.home-section-heading h2{font-size:16px}.home-search-section{padding-bottom:21px}.catalog-app .topbar{gap:12px}.catalog-app .topbar nav{gap:16px}.catalog-app .topbar nav>button{font-size:13px}.catalog-app .topbar .wordmark{font-size:18px}.catalog-app .brand-label{font-size:7px}}@media(max-width:360px){.catalog-app .topbar{padding:0 12px;gap:8px}.catalog-app .topbar nav{gap:11px}.catalog-app .topbar nav>button{font-size:12px}.home-container{padding-left:16px;padding-right:16px}.home-search input{font-size:12px}.home-search button{font-size:12px;padding:0 11px}}.sidebar-rail,.sidebar-collapse{display:none}@media(min-width:761px){.sidebar-collapse{display:inline-flex;align-items:center;justify-content:center;gap:2px;flex:0 0 auto;min-height:34px;padding:4px 6px;border-radius:4px;color:var(--text-secondary);font-size:12px;white-space:nowrap}.sidebar-collapse:hover{background:var(--tint);color:var(--brand)}.catalog-app .workspace.sidebar-collapsed{grid-template-columns:44px minmax(0,1fr)}.sidebar-collapsed>.course-sidebar{display:none}.sidebar-collapsed>.sidebar-rail{display:flex;align-items:flex-start;justify-content:center;border-right:1px solid var(--line);background:var(--surface-subtle);padding:13px 3px}.sidebar-rail button{position:relative;display:flex;flex-direction:column;align-items:center;gap:12px;width:36px;min-height:108px;padding:10px 6px;border-radius:5px;color:var(--text-secondary)}.sidebar-rail button:hover{background:var(--tint);color:var(--brand)}.sidebar-rail button>span:not(.rail-filter-dot){writing-mode:vertical-rl;letter-spacing:3px;font-size:12px}.rail-filter-dot{position:absolute;top:7px;right:5px;width:5px;height:5px;border-radius:50%;background:var(--brand)}}.community-page{min-height:100dvh;color:var(--text);background:#fff}.community-page a{text-decoration:none;color:var(--brand)}.community-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1100px;margin:auto;padding:22px 28px;border-bottom:1px solid var(--line)}.community-brand{font-size:21px;font-weight:700;color:var(--brand)}.community-topbar nav{display:flex;gap:20px;font-size:14px}.catalog-app .account-link{display:flex;align-items:center;text-decoration:none}.catalog-app .topbar{column-gap:28px}@media(max-width:760px){.catalog-app .topbar{column-gap:8px}.catalog-app .topbar nav{gap:12px}}@media(max-width:360px){.catalog-app .topbar{padding:0 10px;column-gap:6px}.catalog-app .topbar .wordmark{font-size:16px}.catalog-app .topbar nav{gap:8px}.catalog-app .topbar nav>button{font-size:11px}.catalog-app .account-link{padding:4px;font-size:10px}}.community-main{max-width:1000px;margin:auto;padding:30px 28px 70px}.community-main>h1{font-size:28px;margin-bottom:24px}.community-main h2{font-size:20px}.community-main h3{font-size:16px}.community-main a{color:var(--brand)}.account-link{font-size:13px;color:var(--brand);white-space:nowrap;padding:8px}.community-form{display:flex;flex-direction:column;gap:16px}.community-form fieldset{border:0;padding:0;display:flex;flex-direction:column;gap:16px;min-width:0}.community-form label{display:flex;flex-direction:column;gap:7px;font-size:14px}.community-form p,.community-muted{font-size:12px;color:var(--muted);line-height:1.8}.community-form small{color:var(--muted);line-height:1.6}.community-form input,.community-form select,.community-form textarea,.community-toolbar select,.community-search input{width:100%;min-width:0;border:1px solid var(--control-border);border-radius:5px;padding:10px 12px;font:inherit;color:inherit;background:#fff}.community-form textarea{min-height:100px;resize:vertical}.community-form select{height:44px}.account-form{max-width:460px}.community-muted{margin-top:20px}.community-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin:20px 0;font-size:13px}.community-toolbar label{display:flex;align-items:center;gap:10px}.community-toolbar select{width:auto}.community-tabs{display:flex;align-items:center;flex-wrap:wrap;gap:6px 20px;border-bottom:1px solid var(--line);margin:10px 0 24px}.community-tabs>button,.community-tabs>a{font-size:14px;padding:12px 0;border-bottom:2px solid transparent}.community-tabs .active{color:var(--brand);border-bottom-color:var(--brand)}.community-row-heading{display:flex;justify-content:space-between;gap:15px;align-items:center}.community-empty{color:var(--muted);padding:40px 0;font-size:14px}.community-empty a{margin-left:8px}.recovery-panel{max-width:580px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:24px;display:grid;gap:18px}.recovery-panel p{font-size:14px;line-height:1.8}.recovery-panel code{display:block;font-size:17px;word-break:break-all;-webkit-user-select:all;user-select:all;background:#fff;padding:14px;border:1px solid var(--line);border-radius:4px}dialog.community-dialog{width:min(650px,calc(100vw - 24px));max-height:calc(100dvh - 32px);overflow:auto}.community-dialog-body{padding:24px}.community-dialog-body>p{font-size:14px;line-height:1.8}.community-form .check-label{flex-direction:row;align-items:center}.check-label input{width:16px;height:16px;accent-color:var(--brand)}.category-checks{display:grid;grid-template-columns:1fr 1fr;gap:12px}.category-checks label{font-size:12px}.community-search{display:flex;gap:8px;flex:1;max-width:540px}.community-search input{font-size:13px}.admin-course-row{display:flex;justify-content:space-between;width:100%;gap:15px;text-align:left;border-bottom:1px solid var(--tint);padding:17px 0}.admin-course-row small{display:block;margin-top:6px;color:var(--muted);font-size:12px}.admin-course-row>span:last-child{font-size:13px;color:var(--brand);white-space:nowrap}.admin-actions{display:flex;gap:18px;margin-top:12px;font-size:13px;color:var(--brand)}.report-reason{font-size:13px;padding:12px;background:var(--surface);margin-top:12px;line-height:1.8}.admin-audit{padding:16px 0;border-bottom:1px solid var(--tint);font-size:13px}.admin-audit summary{cursor:pointer;overflow-wrap:anywhere}.admin-audit pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;max-height:400px;overflow:auto;padding:12px;background:var(--surface)}@media(max-width:760px){.community-main{padding:22px 16px 50px}.community-topbar{padding:16px}.community-brand{font-size:18px}.community-topbar nav{gap:12px;font-size:13px}.community-main>h1{font-size:24px}.community-dialog-body{padding:16px}.community-search{flex-basis:100%}.category-checks{grid-template-columns:1fr}.topbar .about-link{display:none}.topbar .account-link{font-size:11px;padding:6px}.topbar{gap:6px}}.account-entry{display:flex;align-items:center;gap:2px;white-space:nowrap;flex-shrink:0}.account-entry>span{color:var(--border-strong);font-size:12px}.header-account-area{margin-left:auto;display:flex;align-items:center;gap:20px}.catalog-app .header-account-area .about-link{margin-left:0}.community-topbar nav{align-items:center}.auth-main{max-width:460px;padding-top:54px;box-sizing:content-box}.auth-links{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px;font-size:13px;color:var(--muted)}.auth-links a{padding:6px 0}.auth-links span a{margin-left:6px}.auth-main>.inline-error,.auth-main>.review-feedback{margin-bottom:18px}@media(max-width:760px){.header-account-area{gap:0}.catalog-app .account-entry .account-link{padding:8px 3px}.account-entry{gap:0}.auth-main{padding-top:32px}.community-topbar .account-link{padding:6px 3px}}.account-entry:has(.auth-button){gap:10px}.account-entry .account-link.auth-button{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:7px 15px;border:1px solid var(--border-strong);border-radius:8px;color:var(--brand);background:#fff;font-weight:600;line-height:1.2;text-decoration:none}.account-entry .account-link.auth-signup{background:var(--tint);border-color:var(--control-border)}.account-entry .auth-button:hover,.account-entry .auth-button:focus-visible{border-color:var(--brand);background:var(--surface);color:var(--brand-dark)}.account-entry .auth-signup:hover,.account-entry .auth-signup:focus-visible{background:var(--line)}@media(max-width:760px){.account-entry:has(.auth-button){gap:6px}.catalog-app .account-entry .account-link.auth-button,.community-topbar .account-entry .account-link.auth-button{min-height:32px;padding:6px;border-radius:6px}}@media(max-width:360px){.catalog-app .account-entry:has(.auth-button){gap:4px}.catalog-app .account-entry .account-link.auth-button{padding:6px 4px}}.account-deletion{margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}.account-deletion p{font-size:13px;color:var(--muted);line-height:1.8;margin:12px 0}.account-delete-button{border:1px solid #c99c9c;border-radius:6px;padding:9px 14px;color:#9d3333;background:#fff;font-size:13px}.account-delete-button:hover,.account-delete-button:focus-visible{background:#fff3f3;color:#842727;border-color:#9d3333}.account-delete-button:disabled{opacity:.55;cursor:wait}.auth-shell{width:min(352px,calc(100% - 40px));margin:0 auto;padding:48px 0 64px}.auth-site-mark{display:flex;align-items:center;justify-content:center;width:56px;height:56px;margin:0 auto 24px;border-radius:50%;background:var(--brand);color:#fff!important}.auth-site-mark:hover{background:var(--brand-dark)}.auth-site-mark:focus-visible{box-shadow:inset 0 0 0 1px #fff;text-decoration:none}.auth-shell>h1{margin:0 0 34px;text-align:center;font-size:24px;font-weight:500;line-height:1.45;letter-spacing:-.4px}.auth-shell .community-form{gap:20px}.auth-shell .community-form label{font-size:14px;font-weight:500;gap:8px}.auth-shell .community-form input{min-height:42px;padding:9px 12px;border-radius:6px;font-size:14px;font-weight:400}.auth-password-field{display:grid;gap:8px}.auth-label-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.auth-label-row a{font-size:13px;text-decoration:none;line-height:1.6}.auth-label-row a:hover,.auth-shell .auth-links a:hover{text-decoration:underline}.auth-shell .review-primary{width:100%;min-height:42px;font-size:14px;font-weight:600}.auth-shell .auth-links{justify-content:center;margin-top:28px;font-size:14px;text-align:center;line-height:1.8}.auth-shell>.inline-error,.auth-shell>.review-feedback{margin-bottom:20px}.auth-shell .recovery-panel{padding:20px;gap:16px}.auth-shell .recovery-panel h2{font-size:18px}@media(max-width:480px){.auth-shell{padding-top:32px;padding-bottom:40px}.auth-site-mark{margin-bottom:20px}.auth-shell>h1{font-size:23px;margin-bottom:30px}}.email-code-field{display:grid;gap:8px}.email-code-row{display:flex;align-items:stretch;gap:8px}.email-code-row input{flex:1;min-width:0}.email-code-row button{flex-shrink:0;min-width:104px;padding:8px 10px;border:1px solid var(--control-border);border-radius:6px;background:var(--surface);color:var(--brand);font-size:12px}.email-code-row button:hover{background:var(--tint)}.legacy-recovery-toggle{display:block;margin:20px auto 0;font-size:12px;color:var(--muted);text-decoration:underline}.email-verification-panel{margin:18px 0 28px;max-width:460px}.email-verification-panel>p{font-size:13px;line-height:1.8;margin-bottom:16px;color:var(--text-secondary)}.account-email-status{font-size:13px;line-height:1.8;padding:12px 0;color:var(--text-secondary)}@font-face{font-family:NNU Qiuhong Wordmark;src:url(/fonts/nnu-qiuhong-wordmark.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+5357,U+5E08,U+9009,U+8BFE,U+7C3F}.site-header.topbar{width:100%;max-width:none;margin:0;height:64px;min-height:64px;column-gap:56px;padding:0 32px;background:#fff;flex-shrink:0}.site-header.topbar .wordmark{display:flex;align-items:center;flex-shrink:0;font-family:NNU Qiuhong Wordmark,KaiTi,serif;font-weight:400;font-synthesis:none;font-size:30px;line-height:1.3;letter-spacing:0}.site-header.topbar nav{gap:32px;flex-shrink:0}.site-header.topbar nav>button{white-space:nowrap;font-size:16px}.site-header.topbar .about-link{display:flex;align-items:center;gap:7px;margin-left:0;font-size:13px}.site-header.topbar .header-account-area{gap:20px}.site-header.topbar .account-link{display:flex;align-items:center;font-size:13px;padding:8px}.nav-saved-short{display:none}@media(max-width:1000px){.site-header.topbar{column-gap:40px;padding:0 24px}.site-header.topbar .header-account-area .about-link{display:none}}@media(max-width:760px){.site-header.topbar{height:54px;min-height:54px;padding:0 16px;column-gap:24px}.site-header.topbar .wordmark{font-size:20px}.site-header.topbar nav{gap:20px}.site-header.topbar nav>button{font-size:13px}.site-header.topbar .header-account-area{margin-left:auto;gap:0}.site-header.topbar .account-entry .account-link{font-size:11px;padding:8px 3px}.site-header.topbar .account-entry .account-link.auth-button{min-height:32px;padding:6px;border-radius:6px}}@media(max-width:600px){.site-header.topbar{column-gap:20px}.site-header.topbar .nav-home,.nav-saved-long{display:none}.nav-saved-short{display:inline}.site-header.topbar nav{gap:16px}.site-header.topbar .nav-count{display:none}}@media(max-width:360px){.site-header.topbar{padding:0 12px;column-gap:14px}.site-header.topbar .wordmark{font-size:18px}.site-header.topbar nav{gap:12px}.site-header.topbar nav>button{font-size:12px}}dialog.about-dialog{overflow:hidden}@media(max-width:760px){.site-header.topbar .wordmark{font-size:24px}}@media(max-width:360px){.site-header.topbar .wordmark{font-size:20px}}dialog.about-dialog[open]{display:flex;flex-direction:column}.about-dialog>.dialog-head{flex-shrink:0;position:static}.about-dialog>.info-content{min-height:0;overflow-y:auto;overscroll-behavior:contain}:focus,:focus-visible,:focus-within{outline:none;outline-offset:0}:is(input,select,textarea):focus{border-color:var(--focus-border);box-shadow:none}:is(button,[role=button]):focus-visible{background-image:linear-gradient(var(--focus-tint),var(--focus-tint));box-shadow:inset 0 0 0 1px var(--focus-border)}:is(a,summary):focus-visible{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}label:has(>input:is([type=radio],[type=checkbox]):focus-visible){border-color:var(--focus-border);background-color:var(--focus-tint)}
