.learning-home{--lh-ink:#24332e;--lh-muted:#68716b;--lh-line:#e0e4dd;--lh-green:#335b49;color:var(--lh-ink);padding-bottom:48px}.learning-home .lh-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:26px;display:flex}.learning-home .lh-heading h1{letter-spacing:-.8px;font-size:28px;font-weight:650;line-height:1.35}.learning-home .lh-heading p{color:var(--lh-muted);margin-top:8px;font-size:13px;line-height:1.75}.learning-home .lh-text-link{color:var(--lh-green);white-space:nowrap;justify-content:flex-start;align-items:center;gap:7px;font-size:12px;font-weight:550;line-height:1.6;display:inline-flex}.learning-home .lh-text-link:hover{text-underline-offset:4px;text-decoration:underline}.learning-home .lh-summary{border-top:1px solid var(--lh-line);border-bottom:1px solid var(--lh-line);flex-wrap:wrap;gap:14px 34px;margin:0 0 24px;padding:17px 0;display:flex}.learning-home .lh-summary>div{align-items:baseline;gap:12px;display:flex}.learning-home .lh-summary dt{color:var(--lh-muted);font-size:12px}.learning-home .lh-summary dd{font-variant-numeric:tabular-nums;margin:0;font-size:19px;font-weight:600;line-height:1.35}.learning-home .lh-summary dd>span{color:var(--lh-muted);margin-left:5px;font-size:12px;font-weight:400}.learning-home .lh-current{background:#fff;border:1px solid #cdd8ce;border-radius:5px}.learning-home .lh-current-top{border-bottom:1px solid var(--lh-line);color:var(--lh-green);background:#f5f7f2;border-radius:5px 5px 0 0;justify-content:space-between;align-items:center;gap:16px;padding:15px 26px;font-size:12px;font-weight:600;display:flex}.learning-home .lh-current-status{color:#626d65;font-size:11px;font-weight:400}.learning-home .lh-current-body{justify-content:space-between;align-items:center;gap:32px;padding:28px 26px;display:flex}.learning-home .lh-current-copy{flex:1;min-width:0}.learning-home .lh-course-meta{color:var(--lh-muted);align-items:center;gap:10px;font-size:11px;display:flex}.learning-home .lh-course-meta a{color:var(--lh-green);font-weight:650}.learning-home .lh-course-meta a:hover{text-underline-offset:3px;text-decoration:underline}.learning-home .lh-course-meta>span{border-left:1px solid var(--lh-line);padding-left:10px}.learning-home .lh-current h2{color:var(--lh-ink);letter-spacing:-.7px;margin-top:10px;font-size:23px;font-weight:650;line-height:1.45}.learning-home .lh-course-summary{color:#606b63;word-break:keep-all;overflow-wrap:anywhere;max-width:630px;margin-top:9px;font-size:13px;line-height:1.85}.learning-home .lh-current-details{color:var(--lh-muted);flex-wrap:wrap;gap:8px 20px;margin-top:24px;font-size:11px;line-height:1.6;display:flex}.learning-home .lh-current-details>span{align-items:center;gap:6px;min-width:0;display:inline-flex}.learning-home .lh-current-details code{color:#505f56;overflow-wrap:anywhere;font-size:11px}.learning-home .lh-current-action{flex-direction:column;flex-shrink:0;align-items:center;gap:11px;display:flex}.learning-home .lh-primary-link{border:1px solid var(--lh-green);background:var(--lh-green);color:#fff;border-radius:4px;justify-content:center;align-items:center;gap:24px;min-height:44px;padding:11px 17px;font-size:13px;font-weight:600;display:inline-flex}.learning-home .lh-primary-link:hover{background:#294c3c;border-color:#294c3c}.learning-home .lh-current-action time{color:var(--lh-muted);font-size:10px}.learning-home .lh-columns{grid-template-columns:minmax(0,1.8fr) minmax(245px,1fr);gap:44px;margin-top:36px;display:grid}.learning-home .lh-lessons{min-width:0}.learning-home .lh-section-heading{justify-content:space-between;align-items:center;gap:12px;min-height:31px;margin-bottom:12px;display:flex}.learning-home .lh-section-heading h2{color:var(--lh-ink);letter-spacing:-.3px;font-size:16px;font-weight:650;line-height:1.5}.learning-home .lh-section-heading>span{color:var(--lh-muted);white-space:nowrap;font-size:10px}.learning-home .lh-next-list,.learning-home .lh-track-list{border-top:1px solid var(--lh-line);margin:0;padding:0;list-style:none}.learning-home .lh-next-list li{border-bottom:1px solid var(--lh-line)}.learning-home .lh-next-list a{align-items:center;gap:16px;min-height:91px;padding:16px 0;display:flex}.learning-home .lh-next-list a:hover .lh-next-copy strong{color:var(--lh-green);text-underline-offset:4px;text-decoration:underline}.learning-home .lh-next-number{color:#859087;font-variant-numeric:tabular-nums;flex-shrink:0;width:23px;font-size:12px}.learning-home .lh-next-copy{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.learning-home .lh-next-copy strong{word-break:keep-all;overflow-wrap:anywhere;font-size:13px;font-weight:550;line-height:1.65}.learning-home .lh-next-copy>span{color:var(--lh-muted);font-size:10px;line-height:1.6}.learning-home .lh-next-list a>svg{color:#7c8a80}.learning-home .lh-empty{border-top:1px solid var(--lh-line);border-bottom:1px solid var(--lh-line);color:var(--lh-muted);padding:24px 0;font-size:13px;line-height:1.8}.learning-home .lh-tracks{border-left:1px solid var(--lh-line);padding-left:30px}.learning-home .lh-track-list li{border-bottom:1px solid var(--lh-line)}.learning-home .lh-track-list a{padding:13px 0 12px;display:block}.learning-home .lh-track-list a:hover strong{text-underline-offset:3px;text-decoration:underline}.learning-home .lh-track-label{justify-content:space-between;align-items:center;gap:16px;display:flex}.learning-home .lh-track-label>strong{font-size:12px;font-weight:550}.learning-home .lh-track-label>span{font-variant-numeric:tabular-nums;align-items:center;gap:3px;font-size:11px;display:inline-flex}.learning-home .lh-track-label>span>span{color:var(--lh-muted)}.learning-home .lh-track-label svg{color:#7c8a80;margin-left:10px}.learning-home .lh-track-progress{background:#edf0ea;border-radius:2px;height:3px;margin-top:9px;overflow:hidden}.learning-home .lh-track-progress>span{background:#789481;height:100%;display:block}.learning-home .lh-feedback{margin-top:34px}.learning-home .lh-feedback h3{border-top:1px solid var(--lh-line);color:var(--lh-ink);letter-spacing:0;padding-top:17px;font-size:13px;line-height:1.7}.learning-home .lh-feedback-body{-webkit-line-clamp:3;color:#606b63;white-space:pre-line;-webkit-box-orient:vertical;margin-top:9px;font-size:13px;line-height:1.8;display:-webkit-box;overflow:hidden}.learning-home .lh-feedback-footer{justify-content:space-between;align-items:center;gap:14px;margin-top:14px;display:flex}.learning-home .lh-feedback-footer>span{color:var(--lh-muted);font-size:11px}@media (max-width:980px){.learning-home .lh-current-body{flex-direction:column;align-items:flex-start;gap:23px}.learning-home .lh-current-action{flex-direction:row;align-items:center;gap:16px}.learning-home .lh-columns{grid-template-columns:minmax(0,1.5fr) minmax(210px,1fr);gap:26px}.learning-home .lh-tracks{padding-left:24px}}@media (max-width:680px){.learning-home .lh-heading{flex-direction:column;align-items:flex-start;gap:11px;margin-bottom:20px}.learning-home .lh-heading h1{font-size:25px}.learning-home .lh-heading p{max-width:310px;font-size:12px}.learning-home .lh-summary{justify-content:space-between;gap:12px;margin-bottom:20px;padding:14px 0}.learning-home .lh-summary>div{flex-direction:column;gap:5px}.learning-home .lh-summary dt{font-size:11px}.learning-home .lh-summary dd{font-size:19px}.learning-home .lh-current-top{padding:13px 18px}.learning-home .lh-current-body{padding:21px 18px}.learning-home .lh-current h2{font-size:20px}.learning-home .lh-current-details{flex-direction:column;margin-top:18px}.learning-home .lh-current-action{flex-direction:column;align-items:stretch;gap:9px;width:100%}.learning-home .lh-current-action time{text-align:center}.learning-home .lh-columns{grid-template-columns:1fr;gap:30px;margin-top:27px}.learning-home .lh-tracks{border-left:0;padding-left:0}.learning-home .lh-next-list a{gap:12px}}
.naru-app{--paper:#fafaf8;--ink:#24332e;--acid:#e8eee8;--line:#dfe3de;--orange:#9b6745;background:var(--paper);min-height:100vh}.app-navigation{border-bottom:1px solid var(--line);z-index:30;background:#fff;align-items:center;gap:48px;min-height:76px;padding:0 max(28px,50vw - 620px);display:flex;position:relative}.app-navigation-brand{flex:none;align-items:center;display:flex}.app-navigation .naru-logo{gap:6px}.app-navigation .naru-symbol{width:34px;height:34px}.app-navigation .naru-logo-name{letter-spacing:-.06em;font-size:26px}.app-primary-nav{align-self:stretch;gap:32px;display:flex}.app-primary-nav a{color:#69746e;white-space:nowrap;border-bottom:2px solid #0000;align-items:center;padding:3px 0 0;font-size:14px;display:flex}.app-primary-nav a[aria-current]{color:var(--ink);border-color:#335b49;font-weight:700}.app-nav-tools{align-items:center;gap:18px;margin-left:auto;display:flex}.app-nav-tools button{cursor:pointer}.app-search{color:#67746d;background:0 0;border:0;align-items:center;gap:8px;padding:9px 0;font-size:13px;display:flex}.app-search kbd{border:1px solid var(--line);border-radius:3px;padding:0 4px;font-size:10px}.app-account{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;background:0 0;border:1px solid #cdd5cf;border-radius:4px;max-width:140px;padding:7px 13px;font-size:13px;overflow:hidden}.app-more{position:relative}.app-more summary{cursor:pointer;padding:9px 4px;list-style:none;display:flex}.app-more summary::-webkit-details-marker{display:none}.app-more-content{z-index:40;border:1px solid var(--line);background:#fff;border-radius:5px;width:218px;padding:16px;position:absolute;top:calc(100% + 12px);right:0;box-shadow:0 6px 22px #24332e12}.app-more-label{color:#737c76;font-size:11px}.app-language-options{border-bottom:1px solid var(--line);gap:8px;margin-bottom:8px;padding:8px 0 12px;display:flex}.app-more-content button,.app-more-content a{color:#56665c;text-align:left;background:0 0;border:0;align-items:center;gap:8px;width:100%;padding:9px 5px;font-size:13px;display:flex}.app-more-content button:hover,.app-more-content a:hover{background:#f4f6f2}.app-language-options button{border:1px solid var(--line);text-align:center;border-radius:3px;justify-content:center;padding:5px 10px}.app-language-options button[aria-pressed=true]{color:#335b49;background:#f3f6f2;border-color:#335b49}.app-section-bar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;min-height:48px;padding:0 max(28px,50vw - 620px);display:flex}.app-section-nav{align-items:center;gap:26px;display:flex}.app-section-nav a{color:#6e7972;white-space:nowrap;padding:13px 0;font-size:12px}.app-section-nav a[aria-current]{color:#335b49;font-weight:700}.app-storage-status{color:#748078;white-space:nowrap;align-items:center;gap:7px;font-size:11px;display:flex}.app-storage-status:before{content:"";background:#819789;border-radius:50%;width:5px;height:5px}.app-storage-status.needs-retry:before{background:#a48464}.app-storage-status button{text-underline-offset:3px;background:0 0;border:0;padding:4px;font-size:11px;text-decoration:underline}.naru-app .main-surface{max-width:1240px;min-height:calc(100vh - 242px);margin:0 auto;padding:44px 28px 72px}.naru-app .workspace-surface,.naru-app .engine-surface{max-width:1500px}.naru-app .button{box-shadow:none;border-radius:4px;transition:background .15s,border-color .15s}.naru-app .button:hover{box-shadow:none;transform:none}.naru-app .button.dark{color:#fff;background:#335b49;border-color:#335b49}.naru-app .button.dark:hover{background:#294b3c}.naru-app .button.acid{color:#335b49;background:#e8eee8;border-color:#c9d7cd}.naru-app .global-footer{color:#768178;border-top:1px solid var(--line);background:0 0;gap:20px;max-width:1240px;margin:auto;padding:24px 28px}.naru-app .global-footer p{font-size:12px}.naru-app .global-footer>span{font-size:11px}.naru-app .global-footer .naru-symbol{width:25px;height:25px}.naru-app .global-footer .naru-logo-name{font-size:20px}.naru-app :is(.workbench,.community-article,.community-reply-form,.community-context-link,.part-directory,.profile-panel,.profile-dashboard-card,.detail-stamp){box-shadow:none;border-radius:5px}.naru-app :is(.community-reply-list article,.course-row,.part-tile):hover{box-shadow:none;transform:none}.naru-app :is(.community-reply-avatar,.community-reply-avatar.mentor){box-shadow:none;background:#335b49}.naru-app .course-row{box-shadow:none;border-radius:4px}.naru-app .page-heading h1{letter-spacing:-.04em;font-size:clamp(27px,3vw,38px)}.naru-app .naru-skeleton-panel{border-color:var(--line);background:#f5f6f3;border-radius:5px}.naru-app :is(.naru-skeleton-line,.naru-skeleton-box,.naru-skeleton-code){background:#e4e8e1}.app-navigation :is(a,button,summary):focus-visible,.app-section-nav a:focus-visible{outline-offset:4px;outline:2px solid #335b49}@media (max-width:800px){.app-navigation{gap:24px;padding:0 20px}.app-primary-nav{gap:22px}.app-nav-tools{gap:12px}.app-search span,.app-search kbd{display:none}.app-section-bar{padding:0 20px}.app-storage-status{display:none}.naru-app .main-surface{padding:32px 20px 48px}}@media (max-width:560px){.app-navigation{grid-template-columns:1fr auto;gap:0;min-height:auto;padding:13px 20px 0;display:grid}.app-navigation-brand{grid-row:1}.app-nav-tools{grid-area:1/2}.app-primary-nav{grid-area:2/1/auto/-1;justify-content:space-between;gap:24px;margin-top:12px}.app-primary-nav a{flex:1;justify-content:center;padding:12px 0;font-size:13px}.app-section-nav{gap:20px;width:100%;overflow-x:auto}.app-section-nav a{padding:11px 0;font-size:11px}.app-section-bar{min-height:40px}.naru-app .main-surface{padding:28px 20px 44px}.naru-app .global-footer{flex-wrap:wrap;padding:20px}.naru-app .global-footer>span{width:100%}}.naru-view-loading{color:#64736a;max-width:1240px;min-height:50vh;margin:0 auto;padding:48px 28px}.naru-view-loading>span{letter-spacing:.06em;font-size:14px}.naru-view-loading>div{background:#e8ece5;border-radius:3px;max-width:440px;height:12px;margin-top:24px}.naru-view-loading>div:last-child{max-width:280px;margin-top:12px}.naru-app .evidence-trace{box-shadow:none;border-color:var(--line);background:#fff;border-radius:4px}.naru-app .evidence-trace .done i{box-shadow:none;color:#fff;background:#335b49;border-color:#335b49}@media (max-width:950px){.naru-app .workbench>.brief-pane{border-left:0;border-bottom:1px solid var(--line);order:-1}}@media (max-width:800px){.app-section-bar:has(.needs-retry){flex-wrap:wrap;gap:0}.app-storage-status.needs-retry{width:100%;padding:0 0 9px;display:flex}}