.account-page{min-height:100vh;display:flex;flex-direction:column}
.account-page main{flex:1;width:100%}
.account-layout{max-width:1120px;margin:auto;padding:72px 36px 88px;display:grid;grid-template-columns:minmax(220px,.85fr) minmax(320px,1fr);gap:100px}
.account-context{padding-top:70px;max-width:350px}
.account-context h2{font-size:36px;line-height:1.2;margin-bottom:24px}
.account-context p{color:var(--ax-muted);margin-bottom:28px}
.account-context a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline}
.account-context .account-boundary{font-size:15px;margin-top:48px;border-top:1px solid var(--ax-rule);padding-top:20px}
.account-work{min-width:0;max-width:490px}
.account-work h1{font-size:38px;line-height:1.18;margin:30px 0 16px}
#account-tabs{display:flex;gap:28px;border-bottom:1px solid var(--ax-rule)}
#account-tabs a{min-height:48px;padding:8px 0 14px;color:var(--ax-muted)}
#account-tabs a[aria-current=page]{border-bottom:2px solid var(--ax-blue);color:var(--ax-link)}
#account-intro{color:var(--ax-muted);margin-bottom:28px}
.account-page form{display:grid;gap:20px;margin-top:24px}
.account-field{display:grid;gap:7px}
.account-field label{font-size:17px;font-weight:600}
.account-field input{min-width:0;width:100%;min-height:48px;border:1px solid var(--ax-field-border);border-radius:5px;padding:10px 12px;background:var(--ax-reading);color:var(--ax-text)}
.account-field small,.account-help{font-size:15px;line-height:1.55;color:var(--ax-muted)}
.password-input{display:flex;gap:8px;align-items:center}
.password-input input{flex:1}
.account-page button{min-height:44px;padding:9px 14px;border:1px solid var(--ax-field-border);border-radius:4px;background:var(--ax-reading);color:var(--ax-link)}
.account-page button:hover{background:var(--ax-page)}
.account-page button.primary{min-height:48px;background:var(--ax-blue);border-color:var(--ax-blue);color:var(--ax-reading);font-weight:600}
.account-page button.primary:hover{background:var(--ax-blue-hover)}
.account-page button:disabled{cursor:not-allowed}
.account-page .form-links{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px}
.form-links a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline}
#notice:not(:empty),#error:not([hidden]){padding:16px;margin:20px 0;background:var(--ax-page);border:1px solid var(--ax-rule);border-radius:4px;overflow-wrap:anywhere}
#error:not([hidden]){background:var(--ax-error-wash,#fff4f2);color:var(--ax-error-text,#8d2720);border-color:var(--ax-error-border,#dcb3ae)}
.account-work h2{font-size:26px;margin:0 0 12px}
.security-section{border-top:1px solid var(--ax-rule);padding:28px 0}
.security-section p{color:var(--ax-muted);font-size:16px}
.security-section button{margin-top:6px}
.account-email{overflow-wrap:anywhere;font-weight:600;margin-bottom:24px!important}
.account-footer{display:flex;justify-content:space-between;gap:24px;padding:24px 36px;border-top:1px solid var(--ax-rule);font-size:15px;color:var(--ax-muted)}
.account-footer nav{display:flex;gap:24px}.account-footer a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:760px){.account-layout{grid-template-columns:1fr;gap:36px;padding:32px 24px 48px}.account-work{max-width:520px;width:100%;margin:auto;grid-row:1}.account-context{padding-top:24px;border-top:1px solid var(--ax-rule);max-width:520px;margin:auto;width:100%}.account-context h2{font-size:28px}.account-context .account-boundary{margin-top:20px}.account-work h1{font-size:34px}.account-page .ax-site-header{min-height:80px;gap:18px}.account-page .brand-logo-window{width:118px;height:66px}.account-footer{padding:20px 24px;flex-wrap:wrap}.account-footer nav{gap:18px}}
.account-secret{display:block;overflow-wrap:anywhere;user-select:all;padding:16px;background:var(--ax-page);margin:16px 0;font-size:18px;letter-spacing:.04em}
.recovery-codes{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;list-style:none;padding:20px 0;margin:0 0 24px;font-family:monospace;font-size:17px;overflow-wrap:anywhere}
.security-section details{margin-top:24px}.security-section summary{min-height:44px;cursor:pointer;color:var(--ax-link)}

.account-registration-age{display:flex;align-items:start;gap:10px;font-size:15px;margin:18px 0}.account-registration-age input[type=checkbox]{width:18px;height:18px;flex:none;margin:4px 0 0;accent-color:#315cdb}

.account-deletion{margin-top:28px}.account-deletion summary{font-weight:600;min-height:44px;cursor:pointer;color:var(--ax-text)}.account-deletion p{margin:16px 0;line-height:1.6}.account-deletion a{text-decoration:underline}.account-page .account-delete-action{color:var(--ax-error-text,#8d2720);border-color:var(--ax-error-border,#b86258);background:var(--ax-error-wash,#fff4f2);font-weight:600}.account-page .account-delete-action:hover{background:var(--ax-error-wash,#fbe5e1)}.account-page .account-delete-action:disabled{opacity:.6}

.account-next-step{border-top:1px solid var(--ax-rule);padding:24px 0;margin:24px 0}.account-next-step h2{font-size:25px;margin:0 0 16px}.account-next-step a{display:block;width:fit-content;margin:16px 0;min-height:44px;padding:10px 0}.account-page a.account-primary-link{display:inline-flex;align-items:center;background:var(--ax-blue);color:var(--community-on-action,#fff);padding:12px 20px;min-height:48px;border-radius:5px;text-decoration:none}.account-page a.account-primary-link:hover{background:var(--ax-blue-hover,#2349be)}

.account-home-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.account-home-actions a{display:inline-flex;align-items:center;min-height:44px}

/* Shared type roles keep account actions consistent with the learning interface. */
.account-page{font-family:var(--ax-type-ui,var(--ax-font-ui));font-size:17px;line-height:1.65}
.account-page :is(.account-work h1,.account-work h2,.account-context h2){font-family:var(--ax-type-display,var(--ax-font-ui));font-weight:600;letter-spacing:-.025em;line-height:1.25;text-wrap:balance}
.account-page .account-work h1{font-size:clamp(30px,3.2vw,38px)}
.account-page .account-context h2{font-size:32px;max-width:18ch}
.account-page .account-work h2{font-size:25px}
.account-page .account-field label{font-size:16px;line-height:1.5}
.account-page .account-field input{font:400 16px/1.5 var(--ax-type-ui,var(--ax-font-ui))}
.account-page .password-input{align-items:stretch}
.account-page .password-input button{flex:0 0 auto;white-space:nowrap;min-width:64px}
.account-page .account-field small,.account-page .account-help{line-height:1.65}
.account-page .ax-site-header{column-gap:26px}
.account-page .ax-site-header>a:not(.brand),.account-page #language{white-space:nowrap}
.account-page .brand-logo-window{width:110px;height:72px}
.account-page .brand-logo-image{width:110px;height:110px;max-width:none;object-fit:contain;transform:none}
.account-page .account-footer{align-items:center;flex-wrap:wrap;gap:12px 26px}
.account-page .account-footer nav{flex-wrap:wrap;gap:8px 22px}
html:lang(zh) .account-page :is(.account-work h1,.account-work h2,.account-context h2){font-weight:500;letter-spacing:0;line-height:1.4}
@media(max-width:760px){.account-page .account-layout{padding:30px 24px 48px;gap:32px}.account-page .account-context h2{font-size:27px}.account-page .account-work h2{font-size:24px}.account-page .ax-site-header{padding-inline:22px;gap:12px}.account-page .brand-logo-window{width:88px;height:60px}.account-page .brand-logo-image{width:88px;height:88px}}
@media(max-width:380px){.account-page .account-layout{padding-inline:20px}.account-page .ax-site-header{display:grid;grid-template-columns:1fr auto;padding:10px 20px;gap:0 20px}.account-page .ax-site-header>.brand{grid-column:1;grid-row:1}.account-page .ax-site-header>.header-actions{grid-column:2;grid-row:1;margin:0}.account-page .ax-site-header>a:not(.brand){grid-row:2;min-height:38px;display:inline-flex;align-items:center;font-size:14px}.account-page .ax-site-header>a:nth-child(3){justify-self:end}.account-page .account-footer{padding-inline:20px}.account-page .account-work h2{font-size:23px}.account-page #account-tabs{gap:22px}}

html[data-site-theme=dark] .account-page .brand-logo-image{filter:invert(1);mix-blend-mode:screen}

/* The signed-in account route is a working learning space, not a narrow form. */
.account-learning-home .account-layout{max-width:1320px;grid-template-columns:minmax(210px,.55fr) minmax(0,1.45fr);gap:clamp(36px,5vw,84px)}
.account-learning-home .account-work{max-width:none}
.account-learning-home .account-context{padding-top:88px}
.account-learning-section{padding:26px 0 30px;border-top:1px solid var(--ax-rule)}
.account-learning-section>h2{margin:0 0 12px}
.account-course-discovery>summary{cursor:pointer;min-height:44px;font-weight:600;color:var(--ax-link);padding-block:10px;margin-bottom:12px}
.account-course-discovery>summary:focus-visible{outline:3px solid var(--ax-link);outline-offset:3px}
.account-learning-section>p{max-width:66ch;color:var(--ax-muted);font-size:16px;line-height:1.6;margin:0 0 16px}
.account-course-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--ax-rule)}
.account-course-item{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px 24px;padding:18px 0;border-bottom:1px solid var(--ax-rule)}
.account-course-main{min-width:0}
.account-course-code{display:block;color:var(--ax-muted);font-size:12px;letter-spacing:.025em;margin-bottom:3px}
.account-page .account-course-title{display:inline-block;color:var(--ax-text);font-size:19px;font-weight:600;line-height:1.35;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.account-course-progress{margin:7px 0 0;color:var(--ax-muted);font-size:14px;line-height:1.5}
.account-course-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px 14px}
.account-course-actions :is(a,button){min-height:44px;font-size:14px;white-space:nowrap}
.account-page .account-course-continue{display:inline-flex;align-items:center;color:var(--ax-link);font-weight:600;text-decoration:underline;text-underline-offset:4px}
.account-page .account-course-actions button{padding:8px 10px;background:transparent}
.account-course-directory{display:inline-flex;align-items:center;min-height:44px;margin-top:18px;font-weight:600;text-decoration:underline;text-underline-offset:4px}
.account-learning-home .security-section{margin-top:14px}
.account-admin-quick{margin:4px 0 28px;padding:22px 24px;background:var(--ax-record);border:1px solid var(--ax-rule)}
.account-admin-quick h2{margin:0 0 8px;font-size:22px;line-height:1.3}
.account-admin-quick p{margin:0 0 16px;max-width:65ch;line-height:1.55}
.account-admin-quick .account-primary-link{display:inline-flex;align-items:center;min-height:44px}
.account-admin-stepup{margin-top:22px;padding-top:20px;border-top:1px solid var(--ax-rule)}
.account-admin-stepup h3{margin:0 0 8px;font-size:18px;line-height:1.35}
.account-admin-stepup form{display:grid;gap:12px;max-width:480px;margin:14px 0 0}
.account-admin-stepup label{display:grid;gap:6px;font-weight:600}
.account-admin-stepup input{width:100%;min-height:48px;padding:10px 12px;box-sizing:border-box;border:1px solid var(--ax-field-border);background:var(--ax-reading);color:var(--ax-text);font:inherit}
.account-admin-stepup button{justify-self:start}
.account-member-links{display:flex;flex-wrap:wrap;gap:6px 24px;margin-top:16px}
.account-member-links a{display:inline-flex;align-items:center;min-height:44px}
@media(max-width:900px){.account-learning-home .account-layout{grid-template-columns:1fr;gap:24px}.account-learning-home .account-work{grid-row:1}.account-learning-home .account-context{grid-row:2;max-width:none;padding-top:20px;border-top:1px solid var(--ax-rule)}}
@media(max-width:600px){.account-course-item{grid-template-columns:1fr;gap:12px}.account-course-actions{justify-content:flex-start}.account-course-main{max-width:100%}.account-admin-quick{padding:18px}.account-member-links{flex-direction:column;gap:0}}

/* Stable theme aliases supersede older page-local colour declarations. */
.account-page{--ax-page:var(--ax-theme-page);--ax-reading:var(--ax-theme-reading);--ax-text:var(--ax-theme-text);--ax-graphite:var(--ax-theme-graphite);--ax-muted:var(--ax-theme-muted);--ax-rule:var(--ax-theme-rule);--ax-blue:var(--ax-theme-blue);--ax-blue-hover:var(--ax-theme-blue-hover);--ax-link:var(--ax-theme-link);--ax-selected:var(--ax-theme-selected);--ax-field-border:var(--ax-theme-field-border);--ax-button-border:var(--ax-theme-button-border);--ax-tree:var(--ax-theme-tree);--ax-record:var(--ax-theme-record);--ax-context:var(--ax-theme-context);--ax-card-title:var(--ax-theme-card-title);--ax-card-text:var(--ax-theme-card-text);--ax-control-hover:var(--ax-theme-control-hover);background:var(--ax-reading);color:var(--ax-text);color-scheme:inherit}

.account-page .ax-site-header{background:var(--ax-reading);color:var(--ax-text);border-color:var(--ax-rule)}

.account-page{--ax-selected-text:var(--ax-link)}

@media(prefers-color-scheme:dark){html:not([data-site-theme=light]) .account-page .brand-logo-image{filter:invert(1);mix-blend-mode:screen}}

.account-visit-data{margin-block:28px;padding:18px 0;border:0;border-top:1px solid var(--ax-rule);background:transparent}
.account-visit-data>summary{font-weight:600;font-size:18px}
.account-visit-data h2{margin-top:0}
.account-visit-data>p{max-width:72ch;line-height:1.65}
.account-visit-state{font-weight:700}
.account-visit-controls{display:flex;flex-wrap:wrap;gap:10px;margin-block:16px}
.account-visit-controls button{min-height:44px;padding:10px 16px;border:1px solid var(--ax-button-border);border-radius:8px;background:var(--ax-reading);color:var(--ax-text);font:inherit;cursor:pointer}
.account-visit-data details{margin:16px 0;border-top:1px solid var(--ax-rule);padding-top:10px}
.account-visit-data summary{min-height:44px;cursor:pointer}
.account-visit-data li{overflow-wrap:anywhere}
.account-visit-data :is(button,a,summary):focus-visible{outline:3px solid var(--ax-blue);outline-offset:3px}
@media(max-width:600px){.account-visit-data{padding:18px}}
@media(forced-colors:active){.account-visit-data,.account-visit-controls button{border:1px solid CanvasText;background:Canvas;color:CanvasText}}