.ai-learning{--learn-green:#52684a;--learn-muted:#68705f;--learn-line:#dfe4d8;--learn-soft:#edf1e6;font-size:14px}.ai-learning *{box-sizing:border-box}.ai-learning button,.ai-learning input,.ai-learning select{font:inherit}.ai-learning button,.ai-learning select{cursor:pointer}.ai-learning button:disabled{cursor:wait;opacity:.6}.ai-learning input:focus-visible,.ai-learning select:focus-visible{outline:2px solid var(--learn-green);outline-offset:4px}.ai-learning section[id]{scroll-margin-top:32px}.learn-breadcrumb{color:var(--learn-muted);flex-wrap:wrap;gap:10px;margin-bottom:36px;font-size:12px;display:flex}.learn-breadcrumb a:hover{color:var(--learn-green);text-decoration:underline}.learn-eyebrow{color:var(--learn-green);letter-spacing:1.6px;align-items:center;gap:7px;font-size:10px;font-weight:600;line-height:1.6;display:inline-flex}.learn-hero{grid-template-columns:1.13fr 1fr;align-items:center;gap:36px;padding:12px 0 58px;display:grid}.learn-hero h1{letter-spacing:-1.4px;margin:22px 0 18px;font-size:clamp(32px,3.4vw,46px);font-weight:650;line-height:1.5}.learn-hero h1>span{color:var(--learn-green);font-weight:450}.learn-hero-copy>p{color:var(--learn-muted);font-size:14px;line-height:2}.learn-hero-actions{flex-wrap:wrap;align-items:center;gap:23px;margin-top:27px;display:flex}.learn-button{background:var(--learn-green);color:#fff;border-radius:5px;justify-content:center;align-items:center;gap:24px;min-height:44px;padding:12px 19px;font-size:13px;display:inline-flex}.learn-button:hover{background:#3e5238}.learn-text-link{min-height:44px;color:var(--learn-green);align-items:center;gap:9px;font-size:12px;display:inline-flex}.learn-text-link:hover{text-underline-offset:4px;text-decoration:underline}.learn-hero-facts{color:var(--learn-muted);flex-wrap:wrap;gap:20px;margin-top:24px;font-size:11px;display:flex}.learn-hero-facts strong{color:#859575;margin-right:4px;font-family:Georgia,serif;font-size:19px;font-weight:400}.learn-notebook{background:#fffef9;border:1px solid #dce2d2;border-radius:9px;min-width:0;margin-bottom:17px;padding:23px;position:relative;transform:rotate(1.5deg);box-shadow:0 10px 35px #39432908}.learn-notebook-top{color:#717c66;letter-spacing:1px;border-bottom:1px solid #e7ebdf;justify-content:space-between;align-items:center;gap:7px;padding-bottom:21px;font-size:9px;display:flex}.learn-notebook-top>span:first-child{align-items:center;gap:8px;display:flex}.learn-notebook-dots{letter-spacing:4px;color:#bac4ad;white-space:nowrap;font-size:9px}.learn-code-line{align-items:center;gap:16px;margin-top:14px;font-size:10px;display:flex}.learn-code-line>span{color:#a0a595;font-family:monospace}.learn-code-line code{color:#5a6253;overflow-wrap:anywhere}.learn-code-line em{color:#9b6950;font-style:normal}.learn-code-line b{color:#5b7350;font-weight:500}.learn-model-diagram{color:#879778;background:#f0f3e8;border:1px solid #e0e7d2;border-radius:6px;justify-content:space-between;align-items:center;gap:4px;margin:22px 0;padding:20px 13px;display:flex}.learn-model-diagram>div{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex}.learn-model-diagram strong{color:var(--learn-green);font-family:monospace;font-size:11px;font-weight:600}.learn-model-diagram span{color:#6b795f;font-size:9px}.learn-model-diagram>svg{flex-shrink:0}.learn-notebook-bottom{color:#727d65;border-top:1px solid #e7ebdf;justify-content:space-between;align-items:center;gap:8px;margin-top:22px;padding-top:15px;font-size:9px;display:flex}.learn-notebook-bottom>span:first-child{align-items:center;gap:4px;display:inline-flex}.learn-note-sticker{color:#82724f;background:#f4edda;border:1px solid #e8ddbf;border-radius:3px;padding:14px 21px;font-size:14px;line-height:1.7;position:absolute;bottom:-35px;right:13px;transform:rotate(-5deg);box-shadow:0 3px 10px #71644508}.learn-note-sticker>span{letter-spacing:.7px;font-size:8px}.learn-section-heading{justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:24px;display:flex}.learn-section-heading h2{letter-spacing:-.5px;margin-top:9px;font-size:25px;font-weight:600}.learn-section-heading>span{color:var(--learn-muted);font-size:11px;line-height:1.8}.learn-path{border-top:1px solid var(--learn-line);padding-top:34px}.learn-path-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:0;padding:0;list-style:none;display:grid}.learn-path-grid li{border-left:1px solid var(--learn-line);padding:0 23px}.learn-path-grid li:first-child{border-left:0;padding-left:0}.learn-path-grid li:last-child{padding-right:0}.learn-path-grid a{display:block}.learn-path-number{color:#889b76;justify-content:space-between;align-items:center;font-family:Georgia,serif;font-size:26px;font-style:italic;display:flex}.learn-path-number svg{color:#909d85}.learn-path-grid h3{margin-top:17px;font-size:15px;font-weight:600}.learn-path-grid p{color:var(--learn-muted);margin-top:9px;font-size:11px;line-height:1.8}.learn-path-output{color:#748265;margin-top:14px;font-size:10px;line-height:1.8;display:block}.learn-path-grid a:hover h3{color:var(--learn-green)}.learn-path-note{color:var(--learn-muted);background:#f0f1e9;border-radius:4px;margin-top:26px;padding:13px 16px;font-size:11px;line-height:1.9}.learn-path-note a{color:var(--learn-green);align-items:center;gap:4px;margin-right:5px;display:inline-flex}.learn-start{margin-top:52px}.learn-start-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;display:grid}.learn-start-options button{text-align:left;background:#fffef9;border:1px solid #dfe3d8;border-radius:6px;align-items:center;gap:12px;padding:19px 17px;display:flex}.learn-start-options button:hover,.learn-start-options button.is-selected{border-color:#93a680}.learn-start-options button.is-selected{background:#eef2e7}.learn-choice-dot{color:#fff;border:1px solid #a2af95;border-radius:50%;flex-shrink:0;place-items:center;width:17px;height:17px;display:grid}.is-selected .learn-choice-dot{background:var(--learn-green);border-color:var(--learn-green)}.learn-start-options strong{font-size:13px;font-weight:550;display:block}.learn-start-options small{color:var(--learn-muted);margin-top:5px;font-size:11px;line-height:1.7;display:block}.learn-recommendation{background:#f1eee3;border-radius:5px;align-items:center;gap:20px;margin-top:13px;padding:19px 21px;display:flex}.learn-recommendation-label{color:#847a5b;flex-shrink:0;font-size:11px}.learn-recommendation>div{flex:1}.learn-recommendation strong{font-size:14px;font-weight:550}.learn-recommendation p{color:#726e5d;margin-top:5px;font-size:11px;line-height:1.9}.learn-recommendation>a{color:#726c50;flex-shrink:0}.learn-progress{background:#f3f6ed;border:1px solid #dfe5d6;border-radius:7px;align-items:center;gap:18px;margin-top:25px;padding:23px;display:flex}.learn-progress-icon{width:43px;height:43px;color:var(--learn-green);background:#e6ecd9;border-radius:50%;flex-shrink:0;place-items:center;display:grid}.learn-progress-copy{flex:1;min-width:0}.learn-progress h2{font-size:15px;font-weight:550}.learn-progress p{color:var(--learn-muted);margin-top:7px;font-size:11px;line-height:1.8}.learn-progress-copy>span{color:#748065;margin-top:5px;font-size:10px;line-height:1.8;display:block}.learn-progress-count{min-width:112px}.learn-progress-count strong{color:var(--learn-green);font-family:Georgia,serif;font-size:24px;font-weight:400}.learn-progress-count small{color:#7f8c73;font-size:14px}.learn-progress-count>span{color:var(--learn-muted);margin-top:5px;font-size:10px;display:block}.learn-progress-count progress{appearance:none;background:#dfe7d4;border:0;border-radius:3px;width:112px;height:4px;margin-top:10px;display:block;overflow:hidden}.learn-progress-count progress::-webkit-progress-bar{background:#dfe7d4}.learn-progress-count progress::-webkit-progress-value{background:#8da773}.learn-progress-count progress::-moz-progress-bar{background:#8da773}.learn-progress>a{flex-shrink:0}.learn-catalog{margin-top:58px}.learn-toolbar{border-bottom:1px solid var(--learn-line);justify-content:space-between;align-items:center;gap:16px;padding-bottom:14px;display:flex}.learn-stage-filters{flex-wrap:wrap;gap:4px;display:flex}.learn-stage-filters button{color:var(--learn-muted);background:0 0;border:0;border-radius:5px;min-height:44px;padding:11px 12px;font-size:11px}.learn-stage-filters button.is-active{background:var(--learn-green);color:#fff}.learn-stage-filters button:not(.is-active):hover{background:var(--learn-soft)}.learn-stage-filters small{margin-left:5px;font-size:10px}.learn-search{color:#7a866d;background:#fffef9;border:1px solid #dfe3d8;border-radius:5px;align-items:center;gap:8px;padding:11px;display:flex}.learn-search input{background:0 0;border:0;outline:none;width:155px;min-width:0;font-size:11px}.learn-search:focus-within{outline:2px solid var(--learn-green);outline-offset:2px}.learn-filter-meta{color:var(--learn-muted);justify-content:space-between;align-items:center;gap:15px;margin:15px 0 20px;font-size:11px;display:flex}.learn-filter-meta label{align-items:center;gap:9px;display:inline-flex}.learn-filter-meta select{color:var(--learn-green);background:0 0;border:0;padding:7px 3px;font-size:11px}.learn-resource-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:19px;display:grid}.learn-tone-foundations{--learn-tone:#5c7350;--learn-tone-bg:#edf2e5}.learn-tone-implementation{--learn-tone:#7c6b96;--learn-tone-bg:#efeaf6}.learn-tone-training{--learn-tone:#986c50;--learn-tone-bg:#f6ece3}.learn-tone-systems{--learn-tone:#537981;--learn-tone-bg:#e8f0f1}.learn-resource{background:#fffef9;border:1px solid #e0e4d9;border-radius:8px;flex-direction:column;min-width:0;padding:25px 25px 0;transition:border-color .2s,box-shadow .2s;display:flex}.learn-resource:hover{border-color:#b4c2a6;box-shadow:0 5px 18px #46503608}.learn-resource:last-child:nth-child(odd){grid-column:1/-1}.learn-resource-top{align-items:center;gap:12px;font-size:12px;display:flex}.learn-resource-mark{width:43px;height:43px;color:var(--learn-tone);background:var(--learn-tone-bg);border-radius:9px;flex-shrink:0;place-items:center;font-family:Georgia,serif;font-size:18px;display:grid}.learn-resource-top>span:nth-child(2){color:#545d4c}.learn-resource-top small{color:var(--learn-muted);margin-top:5px;font-size:10px;display:block}.learn-role{color:var(--learn-tone);background:var(--learn-tone-bg);white-space:nowrap;border-radius:4px;margin-left:auto;padding:5px 8px;font-size:10px}.learn-resource-meta{color:var(--learn-tone);flex-wrap:wrap;align-items:center;gap:10px;margin-top:23px;font-size:10px;display:flex}.learn-resource-meta>span+span{border-left:1px solid #d9dfd1;padding-left:10px}.learn-resource-meta .learn-version{color:#926b4d}.learn-resource h3{letter-spacing:-.5px;margin-top:11px;font-size:23px;font-weight:600}.learn-resource h3 a{justify-content:space-between;align-items:center;gap:10px;display:flex}.learn-resource h3 svg{color:#929d85;flex-shrink:0}.learn-resource h3 a:hover{color:var(--learn-green)}.learn-resource>p{color:var(--learn-muted);margin-top:12px;margin-bottom:17px;font-size:12px;line-height:1.95}.learn-topics{flex-wrap:wrap;gap:6px;display:flex}.learn-topics>span{color:#6c765f;background:#f2f3eb;border-radius:3px;padding:4px 7px;font-size:10px}.learn-resource-output{color:#69795b;align-items:center;gap:7px;margin-top:auto;padding:22px 0 18px;font-size:11px;display:flex}.learn-resource-output>svg{flex-shrink:0}.learn-resource-bottom{color:var(--learn-muted);border-top:1px solid #e8ebdf;justify-content:space-between;align-items:center;gap:8px;padding:14px 0;font-size:10px;display:flex}.learn-resource-bottom a{min-height:32px;color:var(--learn-green);align-items:center;gap:8px;font-size:11px;display:inline-flex}.learn-empty{text-align:center;color:var(--learn-muted);border:1px dashed #d5deca;border-radius:8px;padding:43px 20px}.learn-empty>svg{margin:0 auto 17px}.learn-empty h3{color:var(--ink);font-size:17px}.learn-empty p{margin-top:12px;font-size:12px;line-height:1.8}.learn-empty button{background:var(--learn-soft);min-height:44px;color:var(--learn-green);border:0;border-radius:4px;align-items:center;gap:10px;margin-top:19px;padding:10px 15px;font-size:12px;display:inline-flex}.learn-preparation{background:#f0f2e8;border-radius:7px;grid-template-columns:1fr 1fr;gap:40px;margin-top:36px;padding:28px 30px;display:grid}.learn-preparation h2{margin-top:12px;font-size:22px;font-weight:550}.learn-preparation p{color:var(--learn-muted);margin-top:14px;font-size:12px;line-height:1.9}.learn-preparation ul{padding:0;list-style:none}.learn-preparation li+li{margin-top:17px}.learn-preparation strong{font-size:12px;font-weight:550;display:block}.learn-preparation li span{color:var(--learn-muted);margin-top:5px;font-size:11px;line-height:1.8;display:block}.learn-source-note{border-top:1px solid var(--learn-line);grid-template-columns:1fr 235px;gap:40px;margin-top:48px;padding-top:29px;display:grid}.learn-source-note h2{margin-top:10px;font-size:18px;font-weight:550}.learn-source-note p{color:var(--learn-muted);margin-top:14px;font-size:11px;line-height:1.95}.learn-source-note p a{color:var(--learn-green);align-items:center;gap:4px;display:inline-flex}.learn-source-links{flex-direction:column;align-items:flex-end;padding-top:9px;display:flex}.learn-source-links a{color:var(--learn-green);align-items:center;gap:7px;min-height:33px;font-size:11px;display:inline-flex}.learn-source-links>span{color:var(--learn-muted);margin-top:13px;font-size:10px}.learn-detail-hero{background:#f1f4e9;border:1px solid #dfe5d5;border-radius:8px;justify-content:space-between;align-items:center;gap:30px;padding:35px;display:flex}.learn-detail-hero>div{min-width:0}.learn-detail-hero h1{letter-spacing:-1px;overflow-wrap:anywhere;margin-top:15px;font-size:clamp(28px,4vw,42px);font-weight:600}.learn-detail-author{color:var(--learn-muted);flex-wrap:wrap;align-items:center;gap:9px;margin-top:13px;font-size:12px;display:flex}.learn-detail-summary{max-width:630px;color:var(--learn-muted);margin:20px 0;font-size:13px;line-height:2}.learn-detail-mark{background:var(--learn-tone-bg);width:118px;height:118px;color:var(--learn-tone);border:1px solid #d6dfca;border-radius:20px;flex-shrink:0;place-items:center;font-family:Georgia,serif;font-size:47px;font-style:italic;display:grid;transform:rotate(-5deg)}.learn-detail-facts{border-bottom:1px solid var(--learn-line);grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;margin:34px 0 50px;padding-bottom:29px;display:grid}.learn-detail-facts>div{min-width:0}.learn-detail-facts svg{color:#819572}.learn-detail-facts h2{margin-top:12px;font-size:14px;font-weight:550}.learn-detail-facts p{color:var(--learn-muted);margin-top:9px;font-size:12px;line-height:1.9}.learn-reading ol{padding:0;list-style:none}.learn-reading li{border-bottom:1px solid var(--learn-line);align-items:center;gap:20px;padding:21px 0;display:flex}.learn-reading li>span{color:#8fa27b;font-family:Georgia,serif;font-size:23px;font-style:italic}.learn-reading li>div{flex:1}.learn-reading h3{font-size:15px;font-weight:550}.learn-reading p{color:var(--learn-muted);margin-top:7px;font-size:12px;line-height:1.9}.learn-reading a{width:44px;height:44px;color:var(--learn-green);flex-shrink:0;place-items:center;display:grid}.learn-practice{margin-top:47px}.learn-section-note{color:var(--learn-muted);margin:-5px 0 22px;font-size:12px;line-height:1.9}.learn-task-list{flex-direction:column;gap:15px;display:flex}.learn-task{background:#fffef9;border:1px solid #dee4d5;border-radius:7px;padding:22px}.learn-task.is-complete{background:#f0f4e9}.learn-task-top{align-items:center;gap:13px;display:flex}.learn-task-number{color:#859a71;font-family:Georgia,serif;font-size:21px;font-style:italic}.learn-task h3{font-size:16px;font-weight:550}.learn-task-top button{background:var(--learn-soft);min-height:44px;color:var(--learn-green);border:1px solid #d2dcc5;border-radius:5px;flex-shrink:0;justify-content:center;align-items:center;gap:8px;margin-left:auto;padding:9px 13px;font-size:11px;display:inline-flex}.learn-task>p{color:var(--learn-muted);margin-top:12px;font-size:13px;line-height:1.9}.learn-acceptance{background:#f3f4ec;border-radius:4px;gap:13px;margin-top:16px;padding:14px 16px;font-size:11px;line-height:1.95;display:flex}.learn-acceptance strong{color:var(--learn-green);flex-shrink:0;font-weight:550}.learn-acceptance>span{color:var(--learn-muted)}.learn-storage-note{color:#6b785f;margin-top:14px;font-size:11px;line-height:1.9}.learn-experiment-note{color:#84794f;background:#f1eedf;border:1px solid #e8e1c9;border-radius:6px;align-items:flex-start;gap:13px;margin-top:32px;padding:21px;display:flex}.learn-experiment-note>svg{flex-shrink:0}.learn-experiment-note strong{font-size:14px;font-weight:550}.learn-experiment-note p{color:#7a735c;margin-top:7px;font-size:12px;line-height:1.9}.learn-detail-source{border-top:1px solid var(--learn-line);margin-top:44px;padding-top:28px}.learn-detail-source h2{margin-top:10px;font-size:19px;font-weight:550}.learn-detail-source>p{color:var(--learn-muted);margin-top:12px;font-size:12px;line-height:1.95}.learn-detail-source>div{flex-wrap:wrap;gap:12px 25px;margin-top:13px;display:flex}.learn-detail-source a{color:var(--learn-green);align-items:center;gap:8px;min-height:44px;font-size:12px;display:inline-flex}.learn-detail-source>span:last-child{color:var(--learn-muted);margin-top:11px;font-size:10px;line-height:1.9;display:block}.learn-detail-nav{border-top:1px solid var(--learn-line);justify-content:space-between;gap:20px;margin-top:38px;padding-top:21px;font-size:12px;display:flex}.learn-detail-nav>div{flex-wrap:wrap;gap:20px;display:flex}.learn-detail-nav a{min-height:44px;color:var(--learn-green);align-items:center;gap:8px;display:inline-flex}.learn-detail-nav a:hover{text-decoration:underline}@media (max-width:1050px){.learn-hero{gap:24px}.learn-hero h1{font-size:35px}.learn-notebook{padding:19px}.learn-path-grid li{padding:0 15px}.learn-toolbar{flex-wrap:wrap}.learn-search{flex:1}.learn-search input{width:100%}.learn-start-options button{gap:8px;padding:16px 12px}.learn-progress{flex-wrap:wrap}.learn-progress-copy{flex-basis:50%}}@media (max-width:760px){.learn-breadcrumb{margin-bottom:22px;font-size:11px}.learn-hero{grid-template-columns:minmax(0,1fr);gap:40px;padding:7px 0 60px}.learn-hero h1{letter-spacing:-1px;margin-top:19px;font-size:clamp(29px,7.7vw,40px)}.learn-hero-copy>p{font-size:13px}.learn-hero-actions{gap:13px 20px;margin-top:22px}.learn-hero-facts{gap:16px;font-size:10px}.learn-notebook{margin:0 4px;transform:none}.learn-section-heading{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:20px}.learn-section-heading h2{font-size:23px}.learn-path{padding-top:26px}.learn-path-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px 15px}.learn-path-grid li{border:none;padding:0}.learn-path-grid h3{margin-top:10px;font-size:14px}.learn-path-grid p{font-size:10px}.learn-path-output{margin-top:9px;font-size:10px}.learn-path-note{padding:13px}.learn-start{margin-top:35px}.learn-start-options{grid-template-columns:minmax(0,1fr);gap:9px}.learn-start-options button{gap:12px;padding:16px}.learn-recommendation{flex-wrap:wrap;gap:12px;padding:18px}.learn-recommendation>div{flex-basis:calc(100% - 65px)}.learn-recommendation>a{margin-left:auto}.learn-progress{gap:13px;padding:19px}.learn-progress-copy{flex-basis:calc(100% - 60px)}.learn-progress-icon{width:37px;height:37px}.learn-progress-count{margin-left:50px}.learn-progress>a{margin-left:auto}.learn-catalog{margin-top:38px}.learn-toolbar{gap:12px}.learn-stage-filters{gap:2px}.learn-stage-filters button{padding:9px;font-size:11px}.learn-search{flex-basis:100%}.learn-resource-grid{grid-template-columns:minmax(0,1fr);gap:14px}.learn-resource{padding:20px 20px 0}.learn-resource h3{font-size:22px}.learn-role{padding:5px 6px;font-size:9px}.learn-preparation{grid-template-columns:minmax(0,1fr);gap:22px;margin-top:27px;padding:23px}.learn-source-note{grid-template-columns:minmax(0,1fr);gap:18px;margin-top:35px}.learn-source-links{align-items:flex-start}.learn-source-links a{min-height:44px}.learn-detail-hero{padding:24px 21px}.learn-detail-mark{display:none}.learn-detail-hero h1{font-size:31px}.learn-detail-facts{grid-template-columns:minmax(0,1fr);gap:24px;margin:26px 0 32px}.learn-detail-facts>div{-moz-column-gap:12px;grid-template-columns:22px minmax(0,1fr);column-gap:12px;display:grid}.learn-detail-facts h2{margin:1px 0 0}.learn-detail-facts p{grid-column:2}.learn-reading li{gap:13px}.learn-reading h3{font-size:14px}.learn-practice{margin-top:33px}.learn-task{padding:18px}.learn-task-top{flex-wrap:wrap;gap:10px}.learn-task h3{flex:1;font-size:15px}.learn-task-top button{padding:8px 10px}.learn-acceptance{flex-direction:column;gap:5px;padding:13px}.learn-detail-nav{flex-direction:column;gap:9px}}
.ai-learning{--course-green:#52684a;--course-muted:#68705f;--course-line:#dfe4d8;--course-soft:#edf1e6}.course-breadcrumb{color:var(--course-muted);flex-wrap:wrap;gap:10px;margin-bottom:34px;font-size:12px;display:flex}.course-breadcrumb a:hover{color:var(--course-green);text-decoration:underline}.course-eyebrow{letter-spacing:1.5px;color:var(--course-green);align-items:center;gap:6px;font-size:10px;font-weight:600;line-height:1.8;display:inline-flex}.course-button{border:1px solid var(--course-green);background:var(--course-green);color:#fff;cursor:pointer;border-radius:5px;justify-content:center;align-items:center;gap:20px;min-height:44px;padding:12px 18px;font-size:12px;display:inline-flex}.course-button:hover{background:#405538}.course-button:disabled{opacity:.6;cursor:wait}.course-button.is-completed{color:var(--course-green);background:#e9efdf;border-color:#cfdcc0}.course-text-link{color:var(--course-green);align-items:center;gap:9px;min-height:44px;font-size:12px;display:inline-flex}.course-hero{grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;padding:8px 0 42px;display:grid}.course-hero h1{letter-spacing:-1.3px;margin:20px 0;font-size:clamp(31px,3.3vw,45px);font-weight:650;line-height:1.5}.course-hero h1>span{color:var(--course-green);font-weight:450}.course-hero>div>p{color:var(--course-muted);font-size:13px;line-height:2}.course-hero-actions{flex-wrap:wrap;align-items:center;gap:22px;margin-top:24px;display:flex}.course-hero-facts{color:var(--course-muted);flex-wrap:wrap;gap:21px;margin-top:22px;font-size:11px;display:flex}.course-hero-facts strong{color:#869775;margin-right:4px;font-family:Georgia,serif;font-size:21px;font-weight:400}.course-featured-video{background:#fffef9;border:1px solid #dce3d3;border-radius:8px;min-width:0;padding:15px}.course-featured-caption{color:#6a7b5e;justify-content:space-between;gap:10px;margin:1px 1px 12px;font-size:10px;display:flex}.course-featured-caption>span:last-child{align-items:center;gap:4px;display:inline-flex}.course-featured-video>a{min-height:44px;color:var(--course-green);align-items:center;gap:7px;padding-top:5px;font-size:11px;display:flex}.course-featured-video>a>svg:last-child{margin-left:auto}.course-player{aspect-ratio:16/9;background:#253629;border-radius:5px;width:100%;min-width:0;min-height:200px;position:relative;overflow:hidden}.course-player iframe{border:0;width:100%;height:100%;display:block;position:absolute;inset:0}.course-player-slot{position:absolute;inset:0}.course-video-start{color:#eaf0dd;cursor:pointer;text-align:center;background:radial-gradient(at 75% 20%,#66815a40,#0000 65%),repeating-linear-gradient(0deg,#ffffff03,#ffffff03 1px,#0000 1px 22px),#2f4333;border:0;flex-direction:column;justify-content:center;align-items:center;gap:11px;width:100%;height:100%;padding:22px;display:flex;position:absolute;inset:0}.course-video-start:hover{background-color:#354d3a}.course-play-circle{color:#d7e8c5;background:#b7c9a524;border:1px solid #8fa57e;border-radius:50%;place-items:center;width:61px;height:61px;display:grid}.course-play-circle svg{margin-left:4px}.course-video-kicker{letter-spacing:2px;color:#b1c59c;font-size:9px}.course-video-start strong{max-width:490px;font-size:clamp(14px,1.7vw,20px);font-weight:500;line-height:1.5}.course-video-start>span:not(.course-play-circle):not(.course-video-kicker){color:#c0cfb3;font-size:11px;line-height:1.8}.course-video-start .course-video-play-label{color:#e5eddc;align-items:center;gap:6px;display:inline-flex}.is-compact .course-video-start{gap:8px;padding:15px}.is-compact .course-play-circle{width:48px;height:48px}.is-compact .course-play-circle svg{width:22px}.is-compact .course-video-start strong{font-size:17px}.is-compact .course-video-kicker{display:none}.course-video-caption{color:var(--course-muted);flex-wrap:wrap;align-items:center;gap:7px 13px;margin-top:9px;font-size:10px;line-height:1.8;display:flex}.course-video-caption a,.course-video-caption button{min-height:32px;color:var(--course-green);background:0 0;border:0;align-items:center;gap:4px;padding:0;font-size:10px;display:inline-flex}.course-video-caption a{margin-left:auto}.course-video-status{color:#7d6b47;background:#f1ecdc;border-radius:4px;margin-top:10px;padding:11px 13px;font-size:12px;line-height:1.8}.course-watch-points{background:#f0f3e8;border:1px solid #dfe6d3;border-radius:6px;margin-top:22px;padding:21px}.course-watch-points>strong{font-size:15px;font-weight:550;display:block}.course-watch-points ol{color:var(--course-muted);margin-top:12px;padding-left:20px;font-size:13px;line-height:2;list-style:decimal}.course-watch-points p{color:var(--course-muted);border-top:1px solid #dfe5d5;margin-top:13px;padding-top:13px;font-size:11px;line-height:1.9}.course-path-strip{border-top:1px solid var(--course-line);border-bottom:1px solid var(--course-line);grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:32px;padding:21px 0;display:grid}.course-path-strip a{border-left:1px solid var(--course-line);align-items:center;gap:9px;padding:0 12px;display:flex}.course-path-strip a:first-child{border:0;padding-left:0}.course-path-strip a:last-child{padding-right:0}.course-path-strip span{color:#8b9d79;font-family:Georgia,serif;font-size:20px;font-style:italic}.course-path-strip strong{font-size:12px;font-weight:550}.course-path-strip svg{color:#a0ad91;flex-shrink:0;margin-left:auto}.course-path-strip a:hover strong{color:var(--course-green)}.course-continue{background:#eff3e7;border:1px solid #dce4d1;border-radius:7px;align-items:center;gap:18px;padding:23px;display:flex}.course-continue-icon{width:45px;height:45px;color:var(--course-green);background:#e3ead6;border-radius:50%;flex-shrink:0;place-items:center;display:grid}.course-continue>div:nth-child(2){flex:1}.course-continue .course-eyebrow{letter-spacing:1.1px;font-size:8px}.course-continue h2{margin-top:5px;font-size:16px;font-weight:550}.course-continue p{color:var(--course-muted);margin-top:7px;font-size:11px;line-height:1.8}.course-completion{min-width:103px}.course-completion strong{color:var(--course-green);font-family:Georgia,serif;font-size:25px;font-weight:400}.course-completion small{color:#849577;font-size:14px}.course-completion>span{color:var(--course-muted);margin-top:5px;font-size:10px;display:block}.course-completion progress,.course-outline progress{appearance:none;background:#dce5cf;border:0;border-radius:4px;width:100%;height:4px;margin-top:11px;display:block;overflow:hidden}.course-completion progress::-webkit-progress-bar{background:#dce5cf}.course-outline progress::-webkit-progress-bar{background:#dce5cf}.course-completion progress::-webkit-progress-value{background:#8fa778}.course-outline progress::-webkit-progress-value{background:#8fa778}.course-completion progress::-moz-progress-bar{background:#8fa778}.course-outline progress::-moz-progress-bar{background:#8fa778}.course-continue>a{flex-shrink:0;font-size:11px}.course-local-note{color:var(--course-muted);margin-top:11px;font-size:10px;line-height:1.9}.course-curriculum{margin-top:48px}.course-section-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:25px;display:flex}.course-section-heading h2,.course-source-library h2{letter-spacing:-.5px;margin-top:9px;font-size:26px;font-weight:600}.course-section-heading p,.course-source-library>div>p{color:var(--course-muted);margin-top:11px;font-size:12px;line-height:1.9}.course-section-heading>span{color:var(--course-muted);flex-shrink:0;font-size:11px}.course-catalog-toolbar{border-bottom:1px solid var(--course-line);justify-content:space-between;align-items:center;gap:18px;padding-bottom:15px;display:flex}.course-format-filters{flex-wrap:wrap;gap:5px;display:flex}.course-format-filters button{color:var(--course-muted);background:0 0;border:0;border-radius:5px;align-items:center;gap:7px;min-height:44px;padding:12px 16px;font-size:12px;display:inline-flex}.course-format-filters button.is-selected{background:var(--course-green);color:#fff}.course-format-filters button:not(.is-selected):hover{background:var(--course-soft)}.course-search{color:#7a886b;background:#fffef9;border:1px solid #dde3d4;border-radius:5px;align-items:center;gap:8px;padding:11px 13px;display:flex}.course-search input{background:0 0;border:0;outline:0;width:185px;min-width:0;font-size:12px}.course-search:focus-within{outline:2px solid var(--course-green);outline-offset:2px}.course-filter-meta{color:var(--course-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:17px 0 22px;font-size:11px;display:flex}.course-filter-meta label{align-items:center;gap:8px;display:inline-flex}.course-filter-meta select{color:var(--course-green);background:0 0;border:0;max-width:175px;padding:7px;font-size:11px}.course-chapter-list{flex-direction:column;gap:24px;display:flex}.course-tone-basics{--course-tone:#5d744d;--course-tone-bg:#edf2e4}.course-tone-representations{--course-tone:#87734b;--course-tone-bg:#f3efe0}.course-tone-gpt{--course-tone:#7d6b96;--course-tone-bg:#f0eaf5}.course-tone-finetuning{--course-tone:#966b4d;--course-tone-bg:#f6ece1}.course-tone-engineering{--course-tone:#557e81;--course-tone-bg:#e8f0ef}.course-chapter{background:#fffef9;border:1px solid #dfe4d7;border-radius:8px;overflow:hidden}.course-chapter-heading{background:var(--course-tone-bg);border-bottom:1px solid #dfe4d7;align-items:center;gap:16px;padding:23px 25px;display:flex}.course-chapter-number{width:45px;height:45px;color:var(--course-tone);border:1px solid #b0bda355;border-radius:7px;flex-shrink:0;place-items:center;font-family:Georgia,serif;font-size:25px;font-style:italic;display:grid}.course-chapter-heading h3{font-size:18px;font-weight:550}.course-chapter-heading p{color:var(--course-muted);margin-top:5px;font-size:11px;line-height:1.8}.course-chapter-output{max-width:290px;color:var(--course-tone);margin-left:auto;font-size:10px;line-height:1.9}.course-lesson-list{margin:0;padding:0 25px;list-style:none}.course-lesson-row{border-bottom:1px solid #e6e9df;align-items:center;gap:17px;padding:24px 0;display:flex}.course-lesson-row:last-child{border:0}.course-lesson-number{color:#8a9b7a;flex-shrink:0;place-items:center;width:29px;height:29px;font-family:Georgia,serif;font-size:16px;display:grid}.course-lesson-number.is-done{background:#e9efde;border-radius:50%}.course-lesson-info{flex:1;min-width:0}.course-lesson-info h4{font-size:16px;font-weight:550}.course-lesson-info h4 a:hover{color:var(--course-green)}.course-lesson-info>p{color:var(--course-muted);max-width:710px;margin-top:7px;font-size:12px;line-height:1.85}.course-lesson-meta{color:#7b8870;flex-wrap:wrap;gap:8px 16px;margin-top:10px;font-size:10px;display:flex}.course-lesson-meta>span{align-items:center;gap:5px;display:inline-flex}.course-lesson-actions{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:1px;display:flex}.course-lesson-actions a{min-height:38px;color:var(--course-green);align-items:center;gap:7px;font-size:11px;display:inline-flex}.course-lesson-actions a:hover{text-decoration:underline}.course-empty{text-align:center;color:var(--course-muted);border:1px dashed #d5dfc9;border-radius:6px;padding:45px 20px}.course-empty>svg{margin:0 auto 17px}.course-empty h3{color:var(--ink);font-size:17px}.course-empty p{margin-top:11px;font-size:12px;line-height:1.9}.course-empty button{min-height:44px;color:var(--course-green);background:var(--course-soft);border:0;border-radius:5px;align-items:center;gap:8px;margin-top:17px;padding:11px 15px;font-size:12px;display:inline-flex}.course-source-library{border-top:1px solid var(--course-line);margin-top:45px;padding-top:32px}.course-source-library h2{font-size:21px}.course-source-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:24px;display:grid}.course-source-grid a{background:#fffef9;border:1px solid #dfe4d7;border-radius:5px;align-items:center;gap:10px;padding:15px;display:flex}.course-source-grid a>span:nth-child(2){min-width:0}.course-source-grid strong{font-size:12px;font-weight:550}.course-source-grid small{color:var(--course-muted);margin-top:5px;font-size:10px;line-height:1.9;display:block}.course-source-grid svg{color:#8b9b7b;flex-shrink:0;margin-left:auto}.course-source-mark{width:35px;height:35px;color:var(--course-green);background:#edf1e5;border-radius:6px;flex-shrink:0;place-items:center;font-family:Georgia,serif;display:grid}.course-source-date{color:var(--course-muted);margin-top:18px;font-size:10px;line-height:1.95;display:block}.course-lesson-heading{max-width:890px;margin-bottom:34px}.course-lesson-heading h1{letter-spacing:-.8px;margin-top:14px;font-size:clamp(27px,3.1vw,39px);font-weight:600;line-height:1.5}.course-lesson-heading>p{color:var(--course-muted);margin-top:15px;font-size:14px;line-height:1.9}.course-reading-meta{color:#7a886e;flex-wrap:wrap;gap:10px 20px;margin-top:17px;font-size:11px;display:flex}.course-reading-meta span{align-items:center;gap:6px;display:inline-flex}.course-reader-layout{grid-template-columns:minmax(0,1fr) 255px;align-items:start;gap:42px;display:grid}.course-reader-main{min-width:0}.course-reader-tabs{border-bottom:1px solid var(--course-line);align-items:center;gap:17px;margin-bottom:25px;display:flex}.course-reader-tabs button{min-height:49px;color:var(--course-muted);background:0 0;border:0;border-bottom:2px solid #0000;justify-content:center;align-items:center;gap:7px;margin-bottom:-1px;padding:10px 2px;font-size:13px;display:inline-flex}.course-reader-tabs button[aria-selected=true]{color:var(--course-green);border-bottom-color:var(--course-green);font-weight:600}.course-reader-tabs>span{color:var(--course-muted);margin-left:auto;font-size:10px}.course-objectives{background:#f0f4e9;border:1px solid #dfe5d3;border-radius:5px;margin-bottom:25px;padding:19px 22px}.course-objectives>strong{font-size:14px;font-weight:550}.course-objectives ul{flex-direction:column;gap:8px;margin-top:12px;padding:0;list-style:none;display:flex}.course-objectives li{color:var(--course-muted);align-items:center;gap:9px;font-size:12px;line-height:1.8;display:flex}.course-objectives svg{color:#7f996a;flex-shrink:0}.course-article-toc{border-bottom:1px solid var(--course-line);flex-wrap:wrap;gap:7px 15px;margin-bottom:8px;padding:0 0 23px;font-size:11px;line-height:1.9;display:flex}.course-article-toc>span{color:#87937b;flex-basis:100%;margin-bottom:1px;font-size:10px}.course-article-toc a{color:var(--course-green);text-underline-offset:4px;min-height:28px;text-decoration:underline}.course-prose{color:#42483c;overflow-wrap:anywhere;font-size:16px;line-height:2}.course-prose p{margin:22px 0}.course-prose h2{margin:39px 0 18px;scroll-margin-top:28px;font-size:23px;font-weight:600;line-height:1.55}.course-prose code{color:#566a46;background:#edf1e7;border-radius:3px;padding:3px 5px;font-family:Consolas,SFMono-Regular,monospace;font-size:.86em}.course-prose pre{background:#f0f3e9;border:1px solid #dfe5d6;border-radius:6px;max-width:100%;margin:24px 0;padding:21px;font-size:13px;line-height:1.9;overflow-x:auto}.course-prose pre code{color:#516245;font-size:inherit;background:0 0;padding:0}.course-prose ul,.course-prose ol{list-style:initial;margin:18px 0;padding-left:24px}.course-prose ol{list-style:decimal}.course-video-bridge{background:#f4efe0;border:1px solid #e7dec5;border-radius:5px;align-items:flex-start;gap:12px;margin-top:23px;padding:18px;display:flex}.course-video-bridge>svg{color:#95875b;flex-shrink:0}.course-video-bridge>div{flex:1}.course-video-bridge strong{font-size:13px;font-weight:550}.course-video-bridge p{color:#7b745f;margin-top:6px;font-size:11px;line-height:1.9}.course-video-bridge button{color:#7c714d;background:0 0;border:0;flex-shrink:0;align-items:center;gap:6px;min-height:44px;font-size:11px;display:inline-flex}.course-exercise{background:#f1f5e9;border:1px solid #dee5d3;border-radius:7px;margin-top:38px;padding:24px}.course-exercise h2{margin-top:9px;font-size:20px;font-weight:550;line-height:1.6}.course-exercise>p{color:var(--course-muted);margin-top:14px;font-size:13px;line-height:1.95}.course-exercise>div{border-top:1px solid #dbe3cf;margin-top:15px;padding-top:15px}.course-exercise strong{color:var(--course-green);font-size:12px;font-weight:550}.course-exercise>div>p{color:var(--course-muted);margin-top:7px;font-size:12px;line-height:1.95}.course-lesson-sources{border-top:1px solid var(--course-line);margin-top:35px;padding-top:23px}.course-lesson-sources h2{font-size:16px;font-weight:550}.course-lesson-sources>p{color:var(--course-muted);margin:10px 0 13px;font-size:11px;line-height:1.9}.course-lesson-sources>div{flex-direction:column;display:flex}.course-lesson-sources a{min-height:35px;color:var(--course-green);align-items:center;gap:6px;font-size:11px;display:inline-flex}.course-lesson-sources>span{color:var(--course-muted);margin-top:11px;font-size:10px;display:block}.course-finish{border-top:1px solid var(--course-line);border-bottom:1px solid var(--course-line);justify-content:space-between;align-items:center;gap:17px;margin-top:29px;padding:20px 0;display:flex}.course-finish strong{font-size:12px;font-weight:550}.course-finish p{color:var(--course-muted);margin-top:7px;font-size:10px;line-height:1.8}.course-finish>button{flex-shrink:0;gap:8px;padding:10px 13px;font-size:11px}.course-lesson-pagination{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:25px;display:grid}.course-lesson-pagination a{background:#fffef9;border:1px solid #dfe5d7;border-radius:6px;padding:16px}.course-lesson-pagination a>span{color:var(--course-muted);align-items:center;gap:6px;font-size:10px;display:flex}.course-lesson-pagination strong{color:var(--course-green);margin-top:9px;font-size:12px;font-weight:550;line-height:1.9;display:block}.course-lesson-pagination .course-next-lesson{background:#edf2e5;border-color:#d5dfc8}.course-lesson-pagination .course-next-lesson>span{justify-content:flex-end}.course-next-lesson strong{text-align:right}.course-outline{background:#fffef9;border:1px solid #dfe4d7;border-radius:7px;max-height:calc(100vh - 48px);position:sticky;top:24px;overflow-y:auto}.course-outline-top{border-bottom:1px solid var(--course-line);background:#f0f3e8;padding:20px}.course-outline-top .course-eyebrow{font-size:8px}.course-outline-top h2{margin-top:7px;font-size:15px;font-weight:550}.course-outline-top p{color:var(--course-muted);margin-top:10px;font-size:10px}.course-outline-top p strong{color:var(--course-green);font-weight:550}.course-outline details{border-bottom:1px solid #e4e8dc}.course-outline summary{cursor:pointer;align-items:center;gap:9px;min-height:48px;padding:16px 17px;font-size:12px;font-weight:550;list-style:none;display:flex}.course-outline summary::-webkit-details-marker{display:none}.course-outline summary>span{color:#94a582;font-family:Georgia,serif;font-size:13px}.course-outline summary>svg{color:#8b9d79;margin-left:auto;transition:transform .2s}.course-outline details[open] summary>svg{transform:rotate(180deg)}.course-outline ol{margin:0;padding:0 9px 12px;list-style:none}.course-outline li a{color:#67715d;border-radius:4px;align-items:flex-start;gap:9px;min-height:44px;padding:11px 9px;font-size:11px;line-height:1.9;display:flex}.course-outline li a>span:first-child{color:#8c9c7c;flex-shrink:0;padding-top:2px;font-family:Georgia,serif}.course-outline li a>span:nth-child(2){flex:1}.course-outline li a>svg{color:#8d9d7d;flex-shrink:0;margin-top:6px}.course-outline li a.is-current{color:var(--course-green);background:#eaf0e0;font-weight:600}.course-outline a:not(.is-current):hover{background:#f0f3e9}.course-outline-back{color:var(--course-green);justify-content:center;align-items:center;gap:7px;min-height:48px;font-size:10px;display:flex}.course-mobile-outline-toggle{display:none}.course-outline summary:focus-visible,.course-reader-main [role=tabpanel]:focus-visible{outline:2px solid var(--course-green);outline-offset:3px}@media (max-width:1050px){.course-hero{gap:25px}.course-hero h1{font-size:35px}.course-path-strip a{gap:6px;padding:0 9px}.course-path-strip strong{font-size:11px}.course-path-strip svg{display:none}.course-reader-layout{grid-template-columns:minmax(0,1fr) 230px;gap:27px}.course-reader-tabs>span{display:none}.course-chapter-output{max-width:240px}.course-source-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.course-breadcrumb{margin-bottom:23px;font-size:11px}.course-hero{grid-template-columns:minmax(0,1fr);gap:30px;padding:5px 0 28px}.course-hero h1{letter-spacing:-1px;margin-top:17px;font-size:clamp(28px,7.5vw,39px)}.course-hero-facts{gap:17px;font-size:10px}.course-featured-video{padding:13px}.is-compact .course-video-start strong{font-size:15px}.course-path-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-bottom:23px;padding:19px 0}.course-path-strip a{border:0;gap:10px;padding:0}.course-path-strip strong{font-size:12px}.course-continue{flex-wrap:wrap;gap:13px;padding:18px}.course-continue-icon{width:37px;height:37px}.course-continue>div:nth-child(2){flex-basis:calc(100% - 60px)}.course-continue h2{font-size:14px}.course-completion{margin-left:50px}.course-continue>a{margin-left:auto;padding:11px 14px}.course-curriculum{margin-top:34px}.course-section-heading{flex-direction:column;align-items:flex-start;gap:13px}.course-section-heading h2{font-size:24px}.course-catalog-toolbar{flex-wrap:wrap;gap:13px}.course-format-filters{gap:2px}.course-format-filters button{padding:10px 11px;font-size:11px}.course-search,.course-search input{width:100%}.course-chapter-list{gap:18px}.course-chapter-heading{flex-wrap:wrap;gap:12px;padding:19px}.course-chapter-heading h3{font-size:17px}.course-chapter-number{width:38px;height:38px;font-size:22px}.course-chapter-output{flex-basis:100%;max-width:none;margin-left:50px;font-size:10px}.course-lesson-list{padding:0 17px}.course-lesson-row{flex-wrap:wrap;align-items:flex-start;gap:8px 9px;padding:20px 0}.course-lesson-number{width:22px;height:26px;font-size:14px}.course-lesson-info{flex-basis:calc(100% - 36px)}.course-lesson-info h4{font-size:15px;line-height:1.7}.course-lesson-info>p{font-size:11px}.course-lesson-meta{gap:7px 10px;font-size:9px}.course-lesson-actions{flex-direction:row;gap:19px;margin-left:31px}.course-lesson-actions a{min-height:44px}.course-filter-meta{align-items:flex-start;font-size:10px}.course-filter-meta select{max-width:155px;font-size:10px}.course-source-library{margin-top:32px;padding-top:26px}.course-source-library h2{font-size:20px;line-height:1.6}.course-source-grid{grid-template-columns:minmax(0,1fr);gap:10px}.course-lesson-heading{margin-bottom:24px}.course-lesson-heading h1{font-size:29px}.course-lesson-heading>p{font-size:13px}.course-reading-meta{gap:9px 14px;font-size:10px}.course-reader-layout{grid-template-columns:minmax(0,1fr);gap:20px}.course-outline{order:-1;max-height:none;display:none;position:static}.course-outline.is-mobile-open{display:block}.course-mobile-outline-toggle{width:100%;min-height:46px;color:var(--course-green);background:#f0f3e8;border:1px solid #dce3d2;border-radius:5px;align-items:center;gap:9px;margin-bottom:22px;padding:12px 14px;font-size:12px;display:flex}.course-mobile-outline-toggle>span{color:var(--course-muted);margin-left:auto;font-size:10px}.course-reader-tabs{gap:20px;margin-bottom:21px}.course-objectives{padding:17px}.course-article-toc{gap:8px 12px;padding-bottom:18px}.course-article-toc a{min-height:30px}.course-prose{font-size:15px;line-height:1.95}.course-prose h2{margin-top:31px;font-size:21px}.course-prose pre{padding:16px;font-size:12px}.course-player .course-video-start{gap:7px;padding:13px}.course-play-circle{width:42px;height:42px}.course-play-circle svg{width:20px}.course-video-start .course-video-kicker{display:none}.course-video-start strong{font-size:13px}.course-video-start>span:not(.course-play-circle){font-size:9px!important}.course-video-caption{font-size:9px}.course-video-bridge{flex-wrap:wrap}.course-video-bridge>div{flex-basis:calc(100% - 40px)}.course-video-bridge button{margin-left:auto}.course-exercise{margin-top:29px;padding:20px}.course-exercise h2{font-size:18px}.course-finish{flex-wrap:wrap;gap:13px}.course-finish>button{margin-left:auto}.course-lesson-pagination{gap:12px}.course-lesson-pagination a{padding:13px}.course-lesson-pagination strong{font-size:11px}}
.learning-experience{--learning-muted:var(--muted)}.learning-experience button,.learning-experience input,.learning-experience select,.learning-experience textarea{font:inherit}.learning-experience .course-breadcrumb{font-size:13px}.learning-experience .course-button{gap:12px;font-size:14px}.learning-experience .course-hero>div>p{font-size:15px}.learning-hero{grid-template-columns:1fr 1fr;align-items:start;gap:58px}.learning-hero-intro{padding-top:28px}.learning-hero-intro .course-text-link{margin-top:18px;font-size:14px}.learning-start{border:1px solid var(--line);background:#f6f8fa;border-radius:8px;min-width:0;padding:26px 28px}.learning-start h2{margin:12px 0 10px;font-size:28px;font-weight:600}.learning-start-lesson{font-size:17px;font-weight:550;line-height:1.7;display:block}.learning-start>p{color:var(--learning-muted);margin:9px 0 16px;font-size:13px;line-height:1.9}.learning-start-action{width:100%}.learning-plan-settings{border-top:1px solid var(--line);margin-top:17px;padding-top:4px}.learning-plan-settings>summary{min-height:44px;color:var(--accent);cursor:pointer;justify-content:space-between;align-items:center;gap:10px;font-size:13px;display:flex}.learning-plan-settings fieldset{border:0;min-width:0;margin:14px 0}.learning-plan-settings legend{margin-bottom:9px;font-size:14px;font-weight:550}.learning-plan-settings fieldset:not(.learning-time)>label{cursor:pointer;border-radius:5px;align-items:start;gap:11px;padding:10px;font-size:14px;display:flex}.learning-plan-settings label.is-selected{background:var(--accent-soft)}.learning-plan-settings input{accent-color:var(--accent);margin-top:4px}.learning-plan-settings small{color:var(--learning-muted);margin-top:3px;font-size:12px;line-height:1.7;display:block}.learning-time label{align-items:center;gap:7px;min-height:44px;margin-right:15px;font-size:14px;display:inline-flex}.learning-plan-settings>a,.learning-start-records{min-height:44px;color:var(--accent);align-items:center;gap:8px;font-size:13px;display:flex}.learning-session-plan{border-top:1px solid var(--line);color:var(--learning-muted);margin-top:6px;padding-top:14px;font-size:13px}.learning-session-plan>strong{color:var(--ink);font-size:14px}.learning-session-plan ol{margin-top:8px;padding-left:19px;line-height:1.95;list-style:decimal}.learning-small{color:var(--learning-muted);font-size:12px;line-height:1.85}.learning-secondary,.learning-file-button{border:1px solid var(--line);min-height:44px;color:var(--accent);cursor:pointer;background:0 0;border-radius:5px;justify-content:center;align-items:center;gap:7px;padding:9px 13px;display:inline-flex;font-size:13px!important}.learning-secondary:hover,.learning-file-button:hover{background:#f6f8fa}.learning-secondary:disabled{opacity:.55;cursor:wait}.learning-records{margin:22px 0 48px;scroll-margin-top:30px}.learning-records-heading{justify-content:space-between;align-items:end;gap:20px;display:flex}.learning-records h2{margin-top:8px;font-size:26px;font-weight:600}.learning-records-heading p{color:var(--learning-muted);max-width:560px;margin-top:10px;font-size:14px;line-height:1.9}.learning-records-actions{flex-wrap:wrap;justify-content:end;gap:7px;display:flex}.learning-file-button{position:relative;overflow:hidden}.learning-file-button input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.learning-file-button:focus-within{outline:2px solid var(--accent);outline-offset:3px}.learning-record-summary{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));margin:23px 0 14px;padding:19px 0;display:grid}.learning-record-summary>div{border-left:1px solid var(--line);padding:0 20px}.learning-record-summary>div:first-child{border:0;padding-left:0}.learning-record-summary strong{font-family:var(--sans);color:var(--accent);font-size:27px;font-weight:400;display:block}.learning-record-summary small{color:var(--muted);font-size:14px}.learning-record-summary span{color:var(--learning-muted);margin-top:5px;font-size:13px;display:block}.learning-record-filters{flex-wrap:wrap;gap:5px;display:flex}.learning-record-filters button{min-height:44px;color:var(--learning-muted);background:0 0;border:0;border-radius:5px;align-items:center;gap:7px;padding:9px 14px;font-size:14px;display:inline-flex}.learning-record-filters .is-selected{color:var(--accent);background:var(--accent-soft)}.learning-record-empty{color:var(--learning-muted);padding:20px 0;font-size:14px;line-height:1.9}.learning-record-list{margin-top:12px;list-style:none}.learning-record-list li{border-top:1px solid var(--line);align-items:center;gap:15px;padding:17px 0;display:flex}.learning-record-list li>span{font-family:var(--sans);color:var(--muted);font-size:21px}.learning-record-list li>div{flex:1;min-width:0}.learning-record-list li>div>a{font-size:15px;font-weight:550}.learning-record-list p{color:var(--learning-muted);overflow-wrap:anywhere;white-space:pre-wrap;margin-top:6px;font-size:13px;line-height:1.8}.learning-record-open{min-height:44px;color:var(--accent);flex-shrink:0;align-items:center;gap:7px;font-size:13px;display:inline-flex}.learning-import-preview{border:1px solid var(--line);background:#f6f8fa;border-radius:6px;margin:18px 0;padding:22px}.learning-import-preview h3{font-size:19px}.learning-import-preview p{color:var(--learning-muted);margin:12px 0;font-size:14px;line-height:1.8}.learning-import-preview fieldset{border:0;margin-top:16px}.learning-import-preview legend{margin-bottom:8px;font-size:14px;font-weight:550}.learning-import-preview label{align-items:center;gap:8px;min-height:44px;font-size:14px;display:flex}.learning-record-message,.learning-error{color:#765f32;background:#f4eddd;border-radius:5px;margin:12px 0;padding:12px 14px;font-size:14px;line-height:1.85}.learning-video-intro{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;align-items:center;gap:38px;margin:56px 0;padding-top:38px;display:grid}.learning-video-intro h2{margin:13px 0;font-size:25px;font-weight:600;line-height:1.7}.learning-video-intro p{color:var(--learning-muted);font-size:14px;line-height:1.9}.learning-video-intro>div>a{min-height:44px;color:var(--accent);align-items:center;gap:8px;margin-top:14px;font-size:14px;display:flex}.learning-experience .course-lesson-info p,.learning-experience .course-section-heading p{font-size:14px}.learning-experience .course-lesson-info h4{font-size:16px}.learning-experience .course-lesson-meta{font-size:12px}.learning-experience .course-lesson-actions a{min-height:40px;font-size:13px}.learning-experience .course-catalog-toolbar button,.learning-experience .course-search input{font-size:14px}.learning-experience .course-filter-meta,.learning-experience .course-filter-meta select,.learning-experience .course-reading-meta{font-size:13px}.learning-reader-tabs{z-index:5;background:#fff;position:sticky;top:0}.learning-experience .course-reader-tabs button{min-height:50px;padding:12px 14px;font-size:14px}.learning-tab-short{display:none}.learning-experience .course-prose{font-size:16px}.learning-experience .course-prose h2{scroll-margin-top:85px}.learning-terms{border-bottom:1px solid var(--line);margin:18px 0;padding:12px 0}.learning-terms summary{min-height:44px;color:var(--accent);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;font-size:14px;display:flex}.learning-terms dl{gap:13px;margin:12px 0;display:grid}.learning-terms dl>div{grid-template-columns:85px 1fr;gap:12px;font-size:14px;line-height:1.8;display:grid}.learning-terms dt{color:var(--ink);font-weight:550}.learning-terms dd,.learning-terms p{color:var(--learning-muted)}.learning-terms p{margin-top:18px;font-size:13px;line-height:1.9}.learning-terms a{margin:0 4px;text-decoration:underline}.learning-next-action{border-top:1px solid var(--line);align-items:center;gap:20px;margin-top:32px;padding:25px 0;display:flex}.learning-next-action>div{flex:1}.learning-next-action strong{font-size:17px}.learning-next-action p{color:var(--learning-muted);margin-top:9px;font-size:14px;line-height:1.9}.learning-next-action button{flex-shrink:0}.learning-outline-workspace{min-height:44px;color:var(--accent);align-items:center;gap:7px;margin-top:8px;font-size:12px;display:flex}.learning-practice{flex-direction:column;gap:30px;display:flex}.learning-practice .course-exercise{margin:0}.learning-practice .course-exercise p,.learning-practice .course-exercise>div p{font-size:14px}.learning-block-heading{color:var(--accent);align-items:center;gap:12px;margin-bottom:16px;display:flex}.learning-block-heading>div{flex:1}.learning-block-heading span{color:var(--muted);font-size:12px;line-height:1.8;display:block}.learning-block-heading h2{color:var(--ink);margin-top:4px;font-size:22px;font-weight:600;line-height:1.55}.learning-lab,.learning-self-check,.learning-notebook{border-top:1px solid var(--line);padding:26px 0}.learning-lab>p,.learning-self-check>p{color:var(--learning-muted);margin-bottom:19px;font-size:14px;line-height:1.9}.learning-range{flex-wrap:wrap;align-items:center;gap:13px;margin:20px 0;font-size:14px;display:flex}.learning-range input{accent-color:var(--accent);width:min(100%,350px);min-height:44px}.learning-lab-values{background:#f6f8fa;border-radius:5px;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0;padding:17px;display:grid}.learning-lab-values span{color:var(--learning-muted);overflow-wrap:anywhere;min-width:0;font-size:13px}.learning-lab-values strong{color:var(--ink);margin-top:6px;font-size:23px;display:block}.learning-inline-actions{color:var(--learning-muted);flex-wrap:wrap;align-items:center;gap:10px;margin:19px 0 8px;font-size:13px;display:flex}.learning-lab-feedback{color:var(--ink);overflow-wrap:anywhere;background:#f6f8fa;border-radius:5px;margin-top:18px;padding:14px 17px;font-size:14px;line-height:1.9}.learning-lab-footer{border-top:1px solid var(--line);margin-top:25px;padding-top:16px}.learning-lab-footer p{color:var(--learning-muted);font-size:13px;line-height:1.9}.learning-lab-footer a{min-height:44px;color:var(--accent);align-items:center;gap:8px;margin-top:8px;font-size:13px;display:flex}.learning-text-experiment{align-items:end;gap:12px;margin:20px 0;display:flex}.learning-text-experiment label{flex:1;min-width:0;font-size:14px}.learning-text-experiment input{border:1px solid var(--line);background:#fff;border-radius:4px;width:100%;min-height:44px;margin-top:8px;padding:10px;display:block}.learning-token-sequence{flex-wrap:wrap;gap:7px;margin:17px 0 11px;display:flex}.learning-token-sequence code{overflow-wrap:anywhere;background:var(--accent-soft);border:1px solid var(--line);border-radius:4px;max-width:100%;padding:9px 11px;font-size:14px;display:block}.learning-pair-choice{flex-wrap:wrap;align-items:center;gap:11px;margin-top:18px;font-size:14px;display:flex}.learning-pair-choice select{border:1px solid var(--line);background:#fff;border-radius:4px;max-width:100%;min-height:44px;padding:9px}.learning-checkbox{align-items:center;gap:9px;min-height:44px;font-size:14px;display:flex}.learning-checkbox input,.learning-question input{accent-color:var(--accent);flex-shrink:0;width:17px;height:17px}.learning-table-scroll{max-width:100%;margin-top:16px;overflow-x:auto}.learning-attention-table{border-collapse:collapse;width:100%;font-size:13px}.learning-attention-table caption{text-align:left;color:var(--learning-muted);margin:8px 0 12px;font-size:12px}.learning-attention-table th,.learning-attention-table td{text-align:right;border-bottom:1px solid var(--line);padding:11px 7px}.learning-attention-table th:first-child{text-align:left}.learning-attention-table .is-masked{color:var(--muted);background:#f6f8fa}.learning-question{border:0;min-width:0;margin:26px 0}.learning-question legend{overflow-wrap:anywhere;width:100%;margin-bottom:14px;font-size:16px;font-weight:550;line-height:1.85}.learning-question>div:first-of-type{gap:9px;display:grid}.learning-question label{border:1px solid var(--line);cursor:pointer;border-radius:5px;align-items:start;gap:11px;min-height:48px;padding:13px 15px;font-size:14px;line-height:1.85;display:flex}.learning-question input{margin-top:5px}.learning-question label.is-selected{border-color:var(--accent);background:#f6f8fa}.learning-answer{background:#f6f8fa;border-left:3px solid #89a771;margin-top:15px;padding:11px 15px;font-size:14px;line-height:1.9}.learning-answer.is-wrong{background:#f4efdf;border-color:#b49652}.learning-answer p{color:var(--learning-muted);margin:6px 0}.learning-answer button{min-height:44px;color:var(--accent);background:0 0;border:0;padding:5px 0;text-decoration:underline}.learning-score{font-family:var(--sans);color:var(--accent)!important;font-size:24px!important}.learning-result-summary{margin-top:17px;font-size:14px;line-height:1.9}.learning-notebook label{color:var(--learning-muted);margin-bottom:11px;font-size:14px;line-height:1.9;display:block}.learning-notebook textarea{border:1px solid var(--line);resize:vertical;background:#fff;border-radius:5px;width:100%;padding:14px;font-size:15px;line-height:1.9}.learning-note-meta{color:var(--learning-muted);flex-wrap:wrap;justify-content:space-between;align-items:start;gap:8px;margin-top:10px;font-size:12px;line-height:1.8;display:flex}.learning-experience .course-video-caption{font-size:12px}.learning-experience .course-video-caption a,.learning-experience .course-video-caption button{min-height:44px;font-size:12px}.learning-experience .course-video-bridge p,.learning-experience .course-lesson-sources p{font-size:13px}.learning-experience .course-lesson-sources a{min-height:44px;font-size:13px}@media (max-width:900px){.learning-hero{gap:26px}.learning-records-heading{display:block}.learning-records-actions{justify-content:start;margin-top:18px}.learning-start{padding:23px}}@media (max-width:650px){.learning-hero,.learning-video-intro{grid-template-columns:1fr;gap:22px}.learning-hero-intro{padding-top:0}.learning-hero .learning-start{order:-1}.learning-experience .course-hero h1{margin:0 0 12px;font-size:25px;line-height:1.4}.learning-hero-intro .course-text-link{margin-top:7px}.learning-experience .course-breadcrumb{margin-bottom:20px}.learning-start h2{margin-top:8px;font-size:25px}.learning-start{padding:20px}.learning-record-summary{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:18px}.learning-record-summary>div:nth-child(3){border-left:0;padding-left:0}.learning-record-list li{flex-wrap:wrap;align-items:start}.learning-record-open{margin-left:35px}.learning-record-filters button{padding:9px;font-size:13px}.learning-tab-full{display:none}.learning-tab-short{display:inline}.learning-experience .course-reader-tabs{gap:6px}.learning-experience .course-reader-tabs button{padding:12px 10px}.learning-next-action{flex-direction:column;align-items:stretch}.learning-text-experiment{flex-wrap:wrap}.learning-text-experiment label{flex-basis:100%}.learning-block-heading h2{font-size:21px}.learning-lab-values{gap:10px;padding:14px 11px}.learning-lab-values strong{font-size:19px}.learning-terms dl>div{grid-template-columns:72px 1fr;gap:9px}}.blog-body .learning-start{border-color:var(--line);background:#f6f8fa;border-radius:4px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px 24px;padding:20px;display:grid}.blog-body .learning-start h2{margin:0 0 7px;font-size:19px}.blog-body .learning-start-current>p{color:var(--muted);margin-top:7px;font-size:13px;line-height:1.8}.blog-body .learning-start-lesson{font-size:16px}.blog-body .learning-start-action{width:auto}.blog-body .learning-plan-settings,.blog-body .learning-start-records,.blog-body .learning-start .learning-error{grid-column:1/-1;margin-top:0}.blog-body .learning-start-records{width:fit-content}.blog-body .learning-records{border-top:1px solid var(--line);margin:40px 0;padding-top:24px}.blog-body .learning-records h2{margin-top:0;font-size:23px}.blog-body .learning-record-summary strong{font-family:var(--sans);color:var(--ink);font-size:21px;font-weight:600}.blog-body .learning-reader-tabs{background:var(--paper)}@media (max-width:650px){.blog-body .learning-start{grid-template-columns:minmax(0,1fr);gap:12px;padding:16px}.blog-body .learning-start-action{justify-self:start}.blog-body .learning-start h2{font-size:19px}}
