.ac-app{--ac-ink:#28233e;--ac-muted:#77728a;--ac-purple:#7252d1;--ac-line:#e7e4ee;--ac-bg:#f7f7fb;display:flex;min-height:100vh;background:var(--ac-bg);color:var(--ac-ink);font:14px/1.65 Onest,system-ui,sans-serif;letter-spacing:-.15px}.ac-app *{box-sizing:border-box}.ac-app button,.ac-app input,.ac-app select,.ac-app textarea{font:inherit}.ac-app a,.ac-app button{touch-action:manipulation}.ac-app a{text-decoration:none;color:inherit}.ac-app button{cursor:pointer}.ac-app button:disabled{cursor:wait;opacity:.55}.ac-app :focus-visible{outline:3px solid #b6a1ee;outline-offset:3px}.ac-app h1,.ac-app h2,.ac-app h3,.ac-app p{margin:0}.ac-app h1{font-size:35px;font-weight:600;line-height:1.25;letter-spacing:-1.4px}.ac-app h2{font-size:22px;letter-spacing:-.65px}.ac-app h2,.ac-app h3{font-weight:600;line-height:1.4}.ac-app h3{font-size:17px}.ac-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;font-size:22px;line-height:1}.ac-sidebar{position:fixed;inset:0 auto 0 0;width:260px;background:#fff;border-right:1px solid var(--ac-line);padding:32px 22px 20px;display:flex;flex-direction:column;z-index:30;overflow-y:auto}.ac-logo{display:flex;gap:11px;align-items:center;font-size:18px;font-weight:600;letter-spacing:-.7px}.ac-logomark{display:grid;place-items:center;background:#7252d1;color:#fff;border-radius:10px;width:39px;height:39px;font-size:29px}.ac-logo small{display:block;color:var(--ac-muted);font-size:9px;font-weight:400;letter-spacing:0;margin-top:1px}.ac-workspace{display:flex;gap:11px;align-items:center;padding:16px 10px;background:#f7f6fa;border:1px solid #ece9f2;border-radius:9px;margin:32px 0 24px;font-size:11px;font-weight:600}.ac-workspace small{display:block;font-size:10px;font-weight:400;color:var(--ac-muted)}.ac-avatar,.ac-user{border-radius:50%;background:#e6dff6;display:grid;place-items:center;width:32px;height:32px;color:#7252d1;font-size:11px;font-weight:600}.ac-sidebar nav{display:grid;grid-gap:6px;gap:6px}.ac-sidebar nav a{display:flex;gap:11px;align-items:center;padding:11px 13px;color:#777184;border-radius:7px;font-size:12px}.ac-sidebar nav a.active{background:#eee8fb;color:#6a45cb;font-weight:600}.ac-sidecourse{margin-top:29px}.ac-sidecourse>p{font-size:10px;color:#9993a7;margin:0 12px 12px}.ac-sidecourse>a{display:flex;gap:10px;padding:9px 10px;font-size:10px;line-height:1.5;color:#777184;border-left:2px solid transparent}.ac-sidecourse>a span{color:#b7afc6}.ac-sidecourse>a.current{border-color:#7252d1;background:#faf8ff;color:#7252d1}.ac-sidefoot{margin-top:auto;padding:28px 10px 0}.ac-progressline{display:flex;justify-content:space-between;font-size:10px;color:var(--ac-muted)}.ac-progressline strong{color:var(--ac-ink);font-weight:600}.ac-bar{height:4px;background:#edeaf3;border-radius:3px;margin:9px 0 20px;overflow:hidden}.ac-bar i{display:block;height:100%;background:#9277dd}.ac-sidefoot>a{font-size:11px;display:flex;align-items:center;justify-content:space-between}.ac-sidefoot small{display:block;color:#9e98ab;font-size:9px;margin-top:14px}.ac-main{margin-left:260px;width:calc(100% - 260px);min-width:0}.ac-top{height:79px;background:#fff;border-bottom:1px solid var(--ac-line);justify-content:space-between;padding:0 42px;gap:24px;font-size:11px}.ac-top,.ac-top>div{display:flex;align-items:center}.ac-top>div{gap:12px}.ac-top .ac-muted{margin:0 9px}.ac-search{display:flex;gap:10px;align-items:center;background:#f8f8fb;border:1px solid #eeecf2;border-radius:7px;padding:9px 12px;width:310px;margin-left:auto;color:#938d9f}.ac-search input{background:none;border:0;outline:0;width:100%;min-width:0;color:var(--ac-ink);font-size:11px}.ac-searchhint{font-size:9px;white-space:nowrap;color:#a5a0ad}.ac-user{width:31px;height:31px;flex-shrink:0}.ac-content{max-width:1430px;margin:auto;padding:36px 42px 55px}.ac-heading{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:28px}.ac-heading .ac-hello{font-size:12px;color:#8e889b;margin-bottom:8px}.ac-heading p{font-size:12px;color:var(--ac-muted);margin-top:10px}.ac-hero{display:grid;grid-template-columns:1fr 46%;border-radius:14px;overflow:hidden;background:#e9e2f7;min-height:322px;position:relative}.ac-hero-copy{padding:32px 36px;z-index:1}.ac-pill{display:inline-block;border:1px solid #b8a7d8;border-radius:20px;padding:4px 10px;font-size:9px;white-space:nowrap;color:#6a558d}.ac-pill.muted{border-color:#e2ddec;background:#f7f4fc;color:#81738f}.ac-hero h2{font-size:39px;line-height:1.13;letter-spacing:-1.8px;margin:17px 0 15px;color:#382553}.ac-hero-copy>p{font-size:11px;line-height:1.8;max-width:330px;color:#766487}.ac-hero-meta{display:flex;gap:16px;font-size:9px;color:#8c789f;margin:20px 0}.ac-hero-image{position:relative;overflow:hidden}.ac-hero-image img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}.ac-hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#e9e2f7,transparent 25%,transparent 85%)}.ac-imagecaption{position:absolute;bottom:18px;right:20px;z-index:1;font-size:8px;color:white;background:#332c44aa;border-radius:5px;padding:5px 10px}.ac-button{border:1px solid transparent;border-radius:7px;background:#7252d1;color:#fff!important;display:inline-flex;align-items:center;justify-content:center;gap:14px;font-size:11px!important;font-weight:600;padding:11px 16px;line-height:1.5;white-space:nowrap}.ac-button.light{background:#fff;color:#604691!important}.ac-button.secondary{background:#fff;color:#685582!important;border-color:#e2dbea}.ac-button:hover{filter:brightness(.97)}.ac-summary{display:grid;grid-template-columns:1fr 1fr 2.3fr;margin:24px 0 36px;padding:21px 24px;border:1px solid var(--ac-line);border-radius:10px;background:white;grid-gap:26px;gap:26px}.ac-summary>div+div{border-left:1px solid var(--ac-line);padding-left:26px}.ac-summary strong{font-size:23px;font-weight:600;display:block;letter-spacing:-.8px}.ac-summary small{font-size:12px;color:#aaa2b7;font-weight:400}.ac-summary span{font-size:10px;color:#958b9f}.ac-production-note{display:flex;align-items:center;gap:13px}.ac-production-note>.ac-icon{color:#9f84d4;font-size:33px;flex-shrink:0}.ac-production-note p{font-size:10px;color:#958b9f;line-height:1.8}.ac-production-note b{font-size:11px;color:#5a4f68;font-weight:600}.ac-sectionhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:16px}.ac-sectionhead h2{font-size:21px}.ac-sectionhead p{font-size:11px;color:var(--ac-muted);margin-top:5px}.ac-sectionhead>span{font-size:10px;color:#9a94a3}.ac-modulegrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:21px;gap:21px}.ac-module{background:white;border:1px solid var(--ac-line);border-radius:11px;overflow:hidden;transition:transform .15s,border-color .15s}.ac-module:hover{transform:translateY(-3px);border-color:#bda7e9}.ac-module-art{height:133px;position:relative;padding:18px 21px;overflow:hidden}.ac-module-art>span{font-size:11px;opacity:.5}.ac-abstract{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:120px;height:100px}.ac-abstract i{display:block;position:absolute;width:65px;height:78px;background:#fff9;border:1px solid #ffffffc0;border-radius:8px;box-shadow:9px 12px 20px #60537c20;transform:rotate(-13deg);top:10px;left:12px}.ac-abstract i:nth-child(2){left:34px;top:1px;transform:rotate(2deg);background:#fffc}.ac-abstract i:nth-child(3){left:54px;top:20px;transform:rotate(15deg);height:56px;background:#59417835}.art-1 i{border-radius:50%;width:70px;height:70px}.art-2 i{height:45px;top:28px}.art-3 i{width:22px;height:70px;border-radius:20px}.art-3 i:nth-child(2){height:93px;top:0;left:48px}.art-3 i:nth-child(3){height:50px;left:84px;top:33px}.art-4 i{width:95px;height:55px}.art-5 i{border-radius:4px;transform:rotate(0);height:68px}.ac-module-body{padding:20px 22px}.ac-module-meta{display:flex;justify-content:space-between;font-size:9px;color:#a29baa;margin-bottom:10px}.ac-module h3{font-size:16px;min-height:44px;letter-spacing:-.5px}.ac-module p{font-size:10px;color:#968e9f;margin-top:10px;min-height:36px}.ac-module-link{border-top:1px solid #f0edf4;padding-top:12px;margin-top:14px;font-size:10px;color:#8060bd}.ac-bottomcall,.ac-module-link{display:flex;justify-content:space-between;align-items:center}.ac-bottomcall{margin-top:34px;background:#f0edf6;border-radius:10px;padding:24px 28px;gap:20px}.ac-bottomcall h2{font-size:17px}.ac-bottomcall p{font-size:10px;color:#968a9f;margin-top:6px}.ac-footer{max-width:1430px;margin:auto;display:flex;justify-content:space-between;padding:0 42px 24px;font-size:9px;color:#a59cad}.ac-feedback{position:-webkit-sticky;position:sticky;top:0;z-index:25;background:#e1f1e9;color:#275741;padding:12px 42px;font-size:12px}.ac-feedback.error{background:#ffe6e3;color:#903a39}.ac-feedback button{border:0;background:transparent;color:inherit;text-decoration:underline;margin-left:16px}.ac-close,.ac-menu{display:none}.ac-muted{color:var(--ac-muted);font-size:11px}.ac-breadcrumb{display:flex;gap:10px;color:#968da2;font-size:10px;margin-bottom:20px}.ac-breadcrumb a{color:#7153a6}.ac-lessonlayout{display:grid;grid-template-columns:minmax(0,1fr) 235px;grid-gap:26px;gap:26px}.ac-lesson{background:#fff;border:1px solid var(--ac-line);border-radius:12px;overflow:hidden}.ac-lessonintro{padding:28px 35px;background:#ece5f8}.ac-stagebadge{font-size:10px;color:#8267a6}.ac-lessonintro p{font-size:22px;line-height:1.5;letter-spacing:-.6px;color:#48355e;max-width:600px;margin:8px 0}.ac-lessonintro small{font-size:9px;color:#9382a9}.ac-tabs{display:flex;gap:24px;border-bottom:1px solid var(--ac-line);padding:0 32px}.ac-tabs button{border:0;background:none;padding:17px 0;font-size:11px;color:#8d819b;border-bottom:2px solid transparent}.ac-tabs button[aria-selected=true]{border-color:#7252d1;color:#7252d1;font-weight:600}.ac-reading{padding:32px 36px;max-width:850px}.ac-reading h2{font-size:21px;margin:24px 0 16px}.ac-reading h2:first-child{margin-top:0}.ac-reading h3{font-size:16px;margin:26px 0 12px}.ac-reading>p{font-size:13px;line-height:1.95;color:#6e637c;margin-bottom:17px}.ac-reading li{font-size:12px;line-height:1.9;color:#6e637c;margin-bottom:10px}.ac-steps{padding:0;list-style:none}.ac-steps li{display:flex;gap:13px;margin:14px 0;align-items:flex-start}.ac-steps li span{flex-shrink:0;background:#eee9f7;color:#8064aa;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;font-size:10px}.ac-example{background:#f2f7f5;border-left:3px solid #87b4a6;padding:20px 24px;margin:22px 0;border-radius:0 8px 8px 0}.ac-example>span{font-size:10px;color:#688e7f}.ac-example p{font-size:12px;line-height:1.9;color:#557365;margin-top:7px}.ac-lessonaside{align-self:start}.ac-lessonaside h3{font-size:12px;margin:12px 0}.ac-lessonaside>a{font-size:11px;display:flex;gap:10px;padding:13px 12px;border-radius:7px;color:#84788e}.ac-lessonaside>a.selected{background:#eae3f7;color:#6d4fa6}.ac-lessonaside>a span{font-size:10px}.ac-asideresource{background:white;border:1px solid var(--ac-line);padding:24px 20px;margin:22px 0;border-radius:9px}.ac-asideresource>.ac-icon{color:#8d6dc5;font-size:28px}.ac-asideresource p{font-size:11px;color:#93849e;line-height:1.8;margin:10px 0}.ac-asideresource a{font-size:10px;color:#7252d1}.ac-quiz{display:grid;grid-gap:9px;gap:9px}.ac-quiz button{text-align:left;border:1px solid var(--ac-line);background:#fff;color:#796c88;border-radius:7px;padding:13px 16px;font-size:12px}.ac-quiz button.correct{background:#e8f3ee;border-color:#9fc6b5;color:#2c694c}.ac-quiz button.incorrect{background:#fff0ec;border-color:#e6b6a9;color:#9d5b46}.ac-quizfeedback{font-size:11px!important;margin-top:14px}.ac-reading>.ac-button{margin-top:18px}.ac-field{display:flex;flex-direction:column;gap:8px;font-size:11px;color:#71627f;margin-bottom:20px}.ac-field small{color:#a598af;font-size:10px}.ac-editorlist>input,.ac-field input,.ac-field select,.ac-field textarea{width:100%;background:#fff;border:1px solid #ded7e8;padding:11px 13px;border-radius:6px;color:#43374e;resize:vertical;font-size:12px;line-height:1.8}.ac-field textarea{min-height:85px}.ac-fieldrow{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}.ac-textbutton{background:none;border:0;color:#7955b3;font-size:11px;padding:8px 0;text-decoration:underline;text-underline-offset:4px}.ac-script{white-space:pre-wrap;font-size:12px;line-height:1.95;color:#73657f;background:#faf8fc;border:1px solid var(--ac-line);padding:22px;border-radius:7px}.ac-lessonend{border-top:1px solid var(--ac-line);padding:23px 30px;display:flex;align-items:center;justify-content:space-between;gap:18px}.ac-lessonend label{font-size:10px;display:flex;gap:8px;align-items:center}.ac-lessonend input{accent-color:#7252d1;width:16px;height:16px}.ac-filter{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 25px}.ac-filter button{background:#fff;border:1px solid var(--ac-line);border-radius:20px;padding:7px 15px;font-size:11px;color:#8a799b}.ac-filter button.selected{background:#7252d1;color:#fff;border-color:#7252d1}.ac-resourcegrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:22px;gap:22px}.ac-resource{background:white;border:1px solid var(--ac-line);border-radius:10px;padding:24px}.ac-resicon{display:block;color:#8e70c7;font-size:30px;margin-bottom:15px}.ac-resource h2{font-size:17px;margin:6px 0 17px}.ac-resource pre{white-space:pre-wrap;font:10px/1.8 Onest,sans-serif;background:#f8f6fb;padding:14px;color:#9a8fa5;min-height:235px;border-radius:6px}.ac-resource>div{display:flex;align-items:center;gap:20px;margin-top:17px}.ac-editorlayout{display:grid;grid-template-columns:250px minmax(0,1fr);grid-gap:25px;gap:25px;align-items:start}.ac-editorlist{background:#fff;border:1px solid var(--ac-line);border-radius:9px;padding:18px;max-height:78vh;overflow:auto;position:-webkit-sticky;position:sticky;top:20px}.ac-editorlist h3{font-size:10px;color:#9c8aaa;margin:23px 0 8px}.ac-editorlist button{display:block;width:100%;border:0;background:none;text-align:left;padding:10px 9px;font-size:11px;color:#786485;border-radius:6px}.ac-editorlist button small{display:block;font-size:9px;color:#b0a1b8;margin-top:4px}.ac-editorlist button.selected{background:#eee7f8;color:#7850b0}.ac-editorform{background:white;border:1px solid var(--ac-line);padding:28px 32px;border-radius:10px;min-width:0}.ac-editorbar{display:flex;justify-content:space-between;border-bottom:1px solid var(--ac-line);padding-bottom:18px;margin-bottom:24px;font-size:10px;color:#a088b2}.ac-editorbar a{color:#7252d1}.ac-editorform details{padding:16px 0;border-top:1px solid var(--ac-line);margin-bottom:15px}.ac-editorform summary{font-size:12px;color:#7252d1;cursor:pointer;margin-bottom:16px}.ac-save{position:-webkit-sticky;position:sticky;bottom:22px;box-shadow:0 4px 18px #563c6c33}.ac-editorform>.ac-muted{margin-top:14px}.ac-projectlayout{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(0,1.1fr);grid-gap:26px;gap:26px;align-items:start}.ac-projectlayout form h2{margin-bottom:25px}.ac-projects article{background:white;border:1px solid var(--ac-line);border-radius:9px;padding:23px;margin-bottom:17px}.ac-projects h2{font-size:19px;margin:14px 0 10px}.ac-projects p{font-size:12px;color:#857191;white-space:pre-wrap;overflow-wrap:anywhere}.ac-projects small{font-size:9px;color:#af9db9;display:block;margin:16px 0}.ac-projects article>div{display:flex;gap:25px}.ac-empty{padding:65px 40px;background:#f1edf6;text-align:center;border-radius:12px}.ac-empty>.ac-icon{font-size:42px;color:#a58ac3}.ac-empty p{max-width:330px;margin:auto}.ac-searchresults{display:grid;grid-gap:15px;gap:15px}.ac-searchresults>a{background:white;border:1px solid var(--ac-line);border-radius:10px;padding:22px 28px}.ac-searchresults span{font-size:10px;color:#967eaa}.ac-searchresults h2{font-size:19px;margin:8px 0}.ac-searchresults p{font-size:12px;color:#95849f}.ac-close,.ac-menu{border:0;background:none;color:#7252d1}@media(min-width:1600px){.ac-content{padding-top:44px}.ac-hero{min-height:370px}.ac-hero h2{font-size:48px}.ac-hero-copy{padding:40px}.ac-module-art{height:160px}}@media(max-width:1200px){.ac-sidebar{width:220px;padding:25px 15px}.ac-main{margin-left:220px;width:calc(100% - 220px)}.ac-content{padding:30px 26px}.ac-top{padding:0 26px}.ac-search{width:240px}.ac-searchhint{display:none}.ac-hero-copy{padding:28px}.ac-hero h2{font-size:35px}.ac-hero-meta{gap:10px}.ac-module-body{padding:17px}.ac-lessonlayout{grid-template-columns:minmax(0,1fr)}.ac-lessonaside{display:none}.ac-resourcegrid{grid-template-columns:repeat(2,minmax(0,1fr))}.ac-editorlayout{grid-template-columns:215px minmax(0,1fr)}.ac-editorform{padding:24px}.ac-summary{gap:16px}.ac-summary>div+div{padding-left:16px}}@media(max-width:900px){.ac-sidebar{transform:translateX(-100%);transition:transform .2s;width:260px}.ac-sidebar.open{transform:translateX(0)}.ac-main{margin-left:0;width:100%}.ac-menu{display:inline-flex;padding:4px}.ac-close{display:block;text-align:right;font-size:11px;margin-top:15px}.ac-scrim{position:fixed;inset:0;background:#21163077;border:0;z-index:29}.ac-modulegrid{gap:14px}.ac-top{height:66px}.ac-top>div>span{max-width:220px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.ac-content{padding:28px 24px}.ac-footer{padding:0 24px 22px}}@media(max-width:620px){.ac-top{padding:0 17px;gap:10px}.ac-top>div>span{max-width:145px;font-size:10px}.ac-search{width:35px;padding:7px;border:0;background:transparent}.ac-search input{width:0;padding:0}.ac-search:focus-within{position:absolute;left:15px;right:58px;width:auto;background:white;z-index:35;border:1px solid var(--ac-line);padding:10px}.ac-search:focus-within input{width:100%}.ac-search>span:first-child{font-size:23px}.ac-user{width:28px;height:28px}.ac-content{padding:25px 18px 35px}.ac-heading{display:block;margin-bottom:23px}.ac-heading h1{font-size:29px;letter-spacing:-1.1px}.ac-heading p{font-size:11px}.ac-heading>.ac-button,.ac-heading>.ac-pill{margin-top:17px}.ac-hero{display:flex;flex-direction:column;min-height:0}.ac-hero-copy{padding:28px 26px}.ac-hero h2{font-size:37px}.ac-hero-image{height:185px;order:2}.ac-hero-image:after{background:linear-gradient(180deg,#e9e2f7,transparent 20%)}.ac-hero-image img{object-position:center 47%}.ac-hero-meta{gap:16px}.ac-summary{grid-template-columns:1fr 1fr;padding:20px;gap:20px;margin:20px 0 30px}.ac-summary .ac-production-note{grid-column:1/-1;border-left:0;border-top:1px solid var(--ac-line);padding:16px 0 0}.ac-sectionhead h2{font-size:19px}.ac-sectionhead>span{display:none}.ac-modulegrid{grid-template-columns:1fr 1fr;gap:12px}.ac-module-art{height:105px;padding:12px}.ac-abstract{transform:translate(-50%,-50%) scale(.8)}.ac-module-body{padding:14px}.ac-module h3{font-size:13px;min-height:54px}.ac-module p{font-size:9px;min-height:47px}.ac-module-meta{font-size:8px}.ac-module-link{font-size:9px}.ac-bottomcall{padding:22px;display:block}.ac-bottomcall>.ac-button{margin-top:18px}.ac-footer{display:block;font-size:8px;padding:0 18px 20px}.ac-footer span{display:block;margin-top:6px}.ac-lessonintro{padding:24px}.ac-lessonintro p{font-size:21px}.ac-tabs{padding:0 21px;gap:19px}.ac-tabs button{font-size:10px}.ac-reading{padding:25px 22px}.ac-reading>p{font-size:12px}.ac-lessonend{padding:20px;display:block}.ac-lessonend .ac-button{margin-top:20px;width:100%}.ac-resourcegrid{grid-template-columns:1fr}.ac-resource pre{min-height:0}.ac-editorlayout{grid-template-columns:1fr}.ac-editorlist{position:static;max-height:235px}.ac-editorform{padding:23px 19px}.ac-fieldrow,.ac-projectlayout{grid-template-columns:1fr}.ac-feedback{padding:12px 18px}.ac-breadcrumb{font-size:9px}.ac-filter{gap:7px}.ac-filter button{font-size:10px;padding:7px 12px}}@media(prefers-reduced-motion:reduce){.ac-app *{transition:none!important;scroll-behavior:auto!important}}.ac-libraryintro{padding:32px;margin-bottom:28px;border:1px solid #e2d6f1;background:linear-gradient(120deg,#eee5fa,#f6f2fb);border-radius:22px}.ac-libraryintro h2{font-size:clamp(26px,3vw,40px);line-height:1.15;margin:18px 0}.ac-libraryintro small{display:block;margin-top:22px;color:#726582}.ac-bookgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:26px;gap:26px}.ac-bookcard{border:1px solid #e6e0ee;background:white;border-radius:22px;overflow:hidden}.ac-bookcard>a{display:block;background:#e8e0f1;padding:24px}.ac-bookcover{position:relative;width:min(100%,280px);aspect-ratio:3/4;margin:auto;background:#100d19;overflow:hidden;border-radius:16px;container-type:inline-size;box-shadow:0 15px 28px #20112e30}.ac-bookcover img{position:absolute;inset:auto 0 -2%;width:100%;height:76%;object-fit:cover;-webkit-mask-image:linear-gradient(transparent,black 20%);mask-image:linear-gradient(transparent,black 20%)}.ac-bookcover:before{content:"";position:absolute;inset:0;z-index:1;background:#0003}.ac-bookedition{position:absolute;top:7%;left:8%;right:8%;display:flex;justify-content:space-between;color:#baa7d4;letter-spacing:.13em;font-size:3cqw;z-index:2}.ac-bookedition>span{font-size:6cqw}.ac-bookcover>strong{top:19%;font-size:10.5cqw;line-height:1.04;letter-spacing:-.045em;color:#f7f0ff;text-wrap:balance}.ac-bookcover>strong,.ac-booksignature{position:absolute;left:8%;right:8%;z-index:2}.ac-booksignature{bottom:4.5%;padding-top:4%;border-top:1px solid #d4b7fa35;font-size:2.5cqw;letter-spacing:.12em;color:#cfbde4}.ac-bookbody{padding:24px}.ac-bookbody>span{font-size:11px;letter-spacing:.08em;color:#7b6b90}.ac-bookbody h2{font-size:21px;min-height:52px;margin:12px 0 22px}.ac-bookbody>div{display:flex;flex-wrap:wrap;gap:10px}.ac-pdfreader{background:#e5e0eb;border:1px solid #dcd4e6;border-radius:18px;padding:12px;overflow:hidden}.ac-pdftools{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:8px 0 20px}.ac-pdftools select{padding:8px;border:1px solid #c9bed7;border-radius:6px;background:white}.ac-pdfhint{font-size:12px;text-align:center;padding:16px}.ac-pdfhint a{text-decoration:underline}@media(max-width:620px){.ac-bookgrid{grid-template-columns:1fr}.ac-pdftools .ac-button{padding:10px;font-size:11px}.ac-libraryintro{padding:24px}.ac-pdftools label{font-size:12px}}.ac-pdftools option,.ac-pdftools select{color:#28233e;color-scheme:light}.ac-bookgrid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.ac-bookcard>a{padding:0}.ac-bookcard>a .ac-bookcover{width:100%;max-width:none;border-radius:0;box-shadow:none}.ac-bookbody{padding:16px}.ac-bookbody h2{font-size:16px;line-height:1.3;min-height:63px;margin:12px 0}.ac-bookbody>p{font-size:12px;color:#7b6b90}.ac-bookbody .ac-button{font-size:11px;padding:10px 12px;width:100%;justify-content:center}.ac-bookbody>div{gap:8px}.ac-access-owned{color:#247050!important}.ac-access-offer{color:#79649b!important}.ac-student-preview{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:20px;color:#776886;font-size:12px}.ac-student-preview-actions{display:flex;gap:8px;flex-wrap:wrap}.ac-student-preview button{border:1px solid #ded5e9;border-radius:8px;background:white;color:#674e8a;padding:8px 12px;cursor:pointer}.ac-upsell-detail{display:grid;grid-template-columns:280px 1fr;grid-gap:40px;gap:40px;align-items:center;background:white;border:1px solid #e6e0ee;border-radius:20px;padding:28px}.ac-upsell-detail p{line-height:1.7}@media(max-width:1050px){.ac-bookgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.ac-bookgrid{gap:12px}.ac-bookbody{padding:12px}.ac-bookbody h2{font-size:14px;min-height:72px}.ac-bookbody>span{font-size:9px}.ac-upsell-detail{grid-template-columns:1fr;padding:20px}.ac-upsell-detail .ac-bookcover{max-width:240px}}.ac-student-mode .ac-search,.ac-student-mode .ac-sidecourse,.ac-student-mode .ac-sidefoot,.ac-student-mode nav a[href="/academia#modulos"]{display:none}.ac-newlearning{margin-top:38px}.ac-video-course{display:grid;grid-template-columns:36% 1fr;background:white;border:1px solid #e6e0ee;border-radius:20px;overflow:hidden}.ac-video-course>img{width:100%;height:100%;object-fit:cover}.ac-video-course>div{padding:28px}.ac-video-course h2{font-size:26px;margin:18px 0 12px}.ac-video-course li,.ac-video-course p{line-height:1.65;font-size:14px}.ac-video-course ul{padding-left:18px}.ac-course-status{color:#82718f;font-size:12px!important}.ac-syllabus{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.ac-syllabus article{padding:22px;background:white;border:1px solid #e6e0ee;border-radius:16px}.ac-syllabus h2{font-size:19px}.ac-syllabus li{font-size:14px;line-height:1.7;margin:8px 0}.ac-syllabus ul{padding-left:18px}@media(max-width:700px){.ac-syllabus,.ac-video-course{grid-template-columns:1fr}.ac-video-course>img{height:210px}}.ac-account{position:relative;margin-left:auto;flex-shrink:0}.ac-account>.ac-user{border:0;cursor:pointer;font:inherit;color:#7250ca;display:grid;place-items:center}.ac-account>.ac-user:focus-visible{outline:3px solid #a18be0;outline-offset:3px}.ac-account-panel{position:absolute;top:48px;right:0;width:min(290px,calc(100vw - 32px));z-index:60;background:white;border:1px solid #e4ddeb;border-radius:14px;padding:20px;box-shadow:0 16px 50px #30204025;color:#28233e}.ac-account-panel strong{font-size:16px}.ac-account-panel p{font-size:12px;margin:6px 0;overflow-wrap:anywhere;color:#746781}.ac-account-panel>span{display:block;font-size:11px;color:#746781;margin:12px 0}.ac-account-panel nav{display:grid;border-top:1px solid #eee8f2;padding:10px 0;grid-gap:8px;gap:8px}.ac-account-panel nav a{font-size:14px;padding:6px 0}.ac-account-panel form button{width:100%;padding:10px;border:1px solid #e0d7eb;background:#f6f2fb;border-radius:8px;cursor:pointer;color:#674c8c;font:inherit;font-size:12px}.ac-sidebar>.ac-logo{margin-bottom:28px}.ac-bookbody{display:flex;flex-direction:column}.ac-bookbody h2{margin:0 0 18px}.ac-bookbody>div{margin-top:auto}.ac-bookbody .ac-content-access{background:#342447;color:#fff;border:1px solid #342447;box-shadow:none;font-weight:600}.ac-bookbody .ac-content-access:hover{background:#493161;border-color:#493161}.ac-bookbody .ac-unlock{position:relative;isolation:isolate;background:linear-gradient(110deg,#713de6,#9b52ee);color:white;border:1px solid #bd8eff;box-shadow:0 0 14px #934de54d,0 5px 16px #793bd539;transition:box-shadow .2s ease,transform .2s ease,filter .2s ease}.ac-bookbody .ac-unlock:hover{box-shadow:0 0 24px #a35bff88,0 7px 22px #793bd55c;transform:translateY(-2px);filter:brightness(1.08)}.ac-bookbody .ac-unlock:focus-visible{outline:3px solid #b78dec;outline-offset:4px;box-shadow:0 0 24px #a35bff88}@media(prefers-reduced-motion:reduce){.ac-bookbody .ac-unlock{transition:none}.ac-bookbody .ac-unlock:hover{transform:none}}.ac-app .ac-bookbody a.ac-content-access,.ac-app .ac-bookbody a.ac-unlock{color:#fff}.ac-fullaccess{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);grid-gap:30px;gap:30px;align-items:center;margin:0 0 32px;padding:32px;border:1px solid #aa77ec66;border-radius:22px;background:radial-gradient(ellipse at 90% 100%,#5a277d66,transparent 60%),linear-gradient(115deg,#191124,#29183d);box-shadow:0 0 24px #9b5de51c;color:#f4ebff}.ac-fullaccess-label{font-size:10px;letter-spacing:.16em;color:#c7a4ee}.ac-fullaccess h2{font-size:29px;line-height:1.16;margin:12px 0}.ac-fullaccess-copy>p{color:#ccbddc;font-size:13px;line-height:1.7;max-width:540px}.ac-fullaccess-includes{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.ac-fullaccess-includes span{padding:5px 9px;border:1px solid #c294ed33;border-radius:6px;background:#ffffff06;color:#dbc8ee;font-size:10px}.ac-fullaccess-action{display:flex;flex-direction:column;align-items:stretch;gap:12px}.ac-fullaccess-action>span{text-align:center;color:#eee0fa;font-size:13px}.ac-app .ac-fullaccess a.ac-unlock{background:linear-gradient(105deg,#773ce5,#ad54ee);border:1px solid #d3a1ff;color:white;box-shadow:0 0 22px #b468f86b,0 6px 24px #a23ff04d;padding:16px 12px;text-align:center;justify-content:center;font-size:13px;transition:box-shadow .2s ease,transform .2s ease}.ac-app .ac-fullaccess a.ac-unlock:hover{box-shadow:0 0 35px #bb7affaa,0 8px 30px #a23ff070;transform:translateY(-2px)}.ac-fullaccess-action small{font-size:10px;text-align:center;color:#bba5cf}@media(max-width:800px){.ac-fullaccess{grid-template-columns:1fr;gap:24px;padding:24px}}@media(prefers-reduced-motion:reduce){.ac-app .ac-fullaccess a.ac-unlock{transition:none}.ac-app .ac-fullaccess a.ac-unlock:hover{transform:none}}.ac-bundle-price{display:flex;align-items:baseline;justify-content:center;gap:12px;flex-wrap:wrap}.ac-bundle-price del{color:#bea7d0;font-size:20px}.ac-bundle-price strong{color:#fff;font-size:42px;line-height:1.1;letter-spacing:-1.6px}.ac-bundle-price>span{flex-basis:100%;text-align:center;color:#dbbaff;font-size:13px;font-weight:600}.ac-app .ac-top h1.ac-top-title{font-size:24px;font-weight:600;line-height:1.2;letter-spacing:-.8px;margin:0}@media(max-width:620px){.ac-app .ac-top h1.ac-top-title{font-size:20px}}.ac-app:has(.ac-reader-layout) .ac-content{padding:18px 24px 12px;max-width:none}.ac-app:has(.ac-reader-layout) .ac-footer{display:none}.ac-reader-back{font-size:12px;margin-bottom:12px}.ac-reader-layout{display:grid;grid-template-columns:230px minmax(0,1fr);height:calc(100dvh - 142px);min-height:420px;border:1px solid #e2dbe9;border-radius:16px;overflow:hidden;background:white}.ac-reader-index{display:flex;flex-direction:column;min-height:0;border-right:1px solid #e6deed;background:#fff}.ac-reader-indexhead{padding:18px 14px;border-bottom:1px solid #eee7f4}.ac-app .ac-reader-indexhead h2{font-size:17px;margin-bottom:12px}.ac-reader-indexhead input{width:100%;min-width:0;padding:9px 10px;background:#f7f4fa;border:1px solid #e6dfed;border-radius:8px;color:#28233e;font-size:12px}.ac-reader-index nav{overflow:auto;flex:1 1;padding:8px}.ac-reader-index nav button{display:flex;width:100%;gap:10px;text-align:left;border:0;border-radius:8px;background:transparent;color:#6d6179;padding:12px 9px;font-size:11px;line-height:1.5}.ac-reader-index nav button>span:first-child{font-size:10px;flex-shrink:0;color:#9b8ba9}.ac-reader-index nav button:hover{background:#f7f2fc}.ac-reader-index nav button[aria-current=page]{background:#eee4fc;color:#6e40b4;font-weight:600}.ac-reader-view{display:flex;flex-direction:column;min-width:0;min-height:0;background:#ece9f0}.ac-reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:10px 12px;background:white;border-bottom:1px solid #e3dce9;font-size:11px}.ac-reader-toolbar>div{display:flex;align-items:center;gap:8px}.ac-reader-toolbar button,.ac-reader-toolbar select{border:1px solid #e1d8eb;border-radius:6px;background:white;color:#49395e;padding:6px;font-size:11px}.ac-reader-toolbar>a{color:#7248ba}.ac-reader-stage{position:relative;flex:1 1;overflow:auto;min-height:0;padding:16px;display:flex;align-items:flex-start;justify-content:center}.ac-reader-stage canvas{flex-shrink:0;box-shadow:0 4px 20px #30204018}.ac-reader-loading{position:absolute;top:24px;background:#fff;padding:6px 12px;border-radius:8px;font-size:12px;z-index:1}.ac-reader-foot{padding:5px 12px;text-align:right;font-size:10px;background:white;color:#82728f}@media(max-width:700px){.ac-app:has(.ac-reader-layout) .ac-content{padding:12px}.ac-reader-layout{grid-template-columns:1fr;grid-template-rows:170px minmax(0,1fr);height:calc(100dvh - 130px);min-height:620px}.ac-reader-index{border-right:0;border-bottom:1px solid #e2dbe9}.ac-reader-indexhead{display:flex;align-items:center;gap:12px;padding:10px}.ac-app .ac-reader-indexhead h2{margin:0}.ac-reader-index nav button{padding:8px}.ac-reader-toolbar{gap:6px}.ac-app:has(.ac-reader-layout) .ac-top h1{font-size:15px;max-width:calc(100vw - 140px)}}.ac-bookcard:has(.ac-bookoverlay){position:relative;background:#100d19;border-color:#251931}.ac-bookbody.ac-bookoverlay{position:absolute;inset:auto 0 0;z-index:3;padding:44px 14px 14px;background:linear-gradient(0deg,rgba(8,5,15,.95) 0,rgba(8,5,15,.68) 45%,rgba(8,5,15,0));pointer-events:none}.ac-bookoverlay>div{width:100%;pointer-events:auto}.ac-bookcard:has(.ac-bookoverlay) .ac-booksignature{display:none}.ac-bookoverlay .ac-button{min-height:40px}.ac-app .ac-bookoverlay a.ac-content-access{background:#3f2b56;border-color:#9272b0;color:#fff}.ac-app .ac-bookoverlay a.secondary{background:#21162ee8;border-color:#79638e;color:#fff}.ac-bookcard:has(.ac-bookoverlay)>a:focus-visible{outline-offset:-4px}@media(max-width:620px){.ac-bookbody.ac-bookoverlay{padding:36px 8px 8px}.ac-bookoverlay .ac-button{font-size:10px;padding:8px 5px;min-height:38px}}.ac-top-back{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;flex-shrink:0;border-radius:10px;color:#49365f}.ac-top-back:hover{background:#eee7f8;color:#713de6}.ac-top-back:focus-visible{outline:2px solid #713de6;outline-offset:2px}.ac-app:has(.ac-reader-layout) .ac-reader-layout{height:calc(100dvh - 112px)}.ac-learner-shell .ac-sidebar{width:232px;background:#141119;border-right:1px solid #2d2537;padding:22px 14px 18px;transition:width .2s ease,transform .2s ease}.ac-learner-shell .ac-logo{color:#fff;font-size:16px;gap:10px;white-space:nowrap}.ac-learner-shell .ac-logo small{color:#ada2bc;font-size:9px}.ac-learner-shell .ac-logomark{flex-shrink:0;width:34px;height:34px;border-radius:9px;font-size:26px}.ac-learner-shell .ac-sidebar nav a{height:42px;color:#beb4ca;border-radius:10px;font-size:12px;padding:10px 12px;white-space:nowrap}.ac-learner-shell .ac-sidebar nav a:hover{background:#241c2e;color:#fff}.ac-learner-shell .ac-sidebar nav a.active{background:#8854ec;color:#fff}.ac-learner-shell .ac-main{margin-left:232px;width:calc(100% - 232px);transition:margin-left .2s ease,width .2s ease}.ac-collapse{display:grid;place-items:center;flex-shrink:0;width:34px;height:34px;padding:0;background:transparent;color:#8d80a0;border:0;border-radius:9px;cursor:pointer}.ac-collapse:hover{background:#241c2e;color:#fff}.ac-collapse:focus-visible,.ac-learner-shell .ac-sidebar a:focus-visible{outline:2px solid #bf9bff;outline-offset:3px}@media(min-width:901px){.ac-learner-shell.ac-sidebar-collapsed .ac-sidebar{width:68px;padding-left:12px;padding-right:12px}.ac-learner-shell.ac-sidebar-collapsed .ac-main{margin-left:68px;width:calc(100% - 68px)}.ac-sidebar-collapsed.ac-learner-shell .ac-brandname,.ac-sidebar-collapsed.ac-learner-shell .ac-navlabel,.ac-sidebar-collapsed.ac-learner-shell .ac-sidecourse,.ac-sidebar-collapsed.ac-learner-shell .ac-sidefoot{display:none}.ac-sidebar-collapsed.ac-learner-shell .ac-collapse,.ac-sidebar-collapsed.ac-learner-shell .ac-logo,.ac-sidebar-collapsed.ac-learner-shell .ac-sidebar nav a{justify-content:center;padding-left:0;padding-right:0}}@media(max-width:900px){.ac-learner-shell .ac-main{margin-left:0;width:100%}.ac-learner-shell .ac-sidebar{width:232px;transform:translateX(-100%)}.ac-learner-shell .ac-sidebar.open{transform:translateX(0)}.ac-learner-shell .ac-collapse{display:none}.ac-learner-shell .ac-menu{display:inline-flex}.ac-learner-shell .ac-close{display:block;color:#c4b5d5;margin-bottom:18px}}@media(prefers-reduced-motion:reduce){.ac-learner-shell .ac-main,.ac-learner-shell .ac-sidebar{transition:none}}.ac-learner-shell .ac-top{height:auto;min-height:76px;background:transparent;border:0;padding:22px 30px 12px;justify-content:flex-start}.ac-learner-shell .ac-top .ac-search{display:none}.ac-learner-shell .ac-content{padding-top:12px}.ac-sidebar-account{margin-top:auto;padding-top:18px;border-top:1px solid #33293e;display:grid;grid-gap:5px;gap:5px}.ac-sidebar-account button{display:flex;align-items:center;gap:12px;width:100%;min-height:42px;padding:10px 12px;border:0;border-radius:9px;background:transparent;color:#beb4ca;font-size:12px;cursor:pointer;text-align:left}.ac-sidebar-account button:hover{background:#241c2e;color:#fff}.ac-sidebar-account button:focus-visible{outline:2px solid #bf9bff;outline-offset:2px}.ac-sidebar-account svg{flex-shrink:0}.ac-sidebar-account p{font-size:11px;color:#ffbdc8}.ac-learner-shell .ac-collapse{margin:0}.ac-logo-toggle{border:0;background:transparent;padding:0;cursor:pointer}.ac-settings{width:min(420px,calc(100vw - 32px));border:1px solid #ddd3ec;border-radius:20px;padding:24px;background:#fff;color:#28213b;box-shadow:0 24px 80px #10092040}.ac-settings::-webkit-backdrop{background:#130d215c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.ac-settings::backdrop{background:#130d215c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.ac-settings-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.ac-settings-heading h2{font-size:22px;margin:0}.ac-settings-heading button{border:0;background:#f0eafa;border-radius:8px;width:32px;height:32px;font-size:23px;color:#49365f;cursor:pointer}.ac-settings p{font-size:12px;color:#80728d;margin:18px 0}.ac-settings label{display:flex;gap:10px;align-items:center;font-size:13px;padding:16px 0}.ac-settings small{font-size:11px;color:#80728d}.ac-settings input{accent-color:#8854ec}@media(min-width:901px){.ac-sidebar-collapsed .ac-sidebar-account button{justify-content:center;padding-left:0;padding-right:0}}@media(max-width:900px){.ac-learner-shell .ac-top{padding:16px 18px 8px;min-height:62px}.ac-learner-shell .ac-sidebar-account{margin-top:auto}}.ac-sidebar-account>a{display:flex;align-items:center;gap:12px;width:100%;min-height:42px;padding:10px 12px;border-radius:9px;color:#beb4ca;font-size:12px;text-align:left}.ac-sidebar-account>a:hover{background:#241c2e;color:#fff}@media(min-width:901px){.ac-sidebar-collapsed .ac-sidebar-account>a{justify-content:center;padding-left:0;padding-right:0}}.ac-owned-courses{margin-bottom:30px}.ac-app{font-family:var(--font-community-sans),"Hanken Grotesk",sans-serif}.ac-app .ac-bookcover strong,.ac-app h1,.ac-app h2,.ac-app h3{font-family:var(--font-kicker),"Bricolage Grotesque",sans-serif;font-weight:800}.ac-app button,.ac-app input,.ac-app select,.ac-app textarea{font-family:inherit}.ac-app .ac-logo{font-family:"General Sans",var(--font-sans),sans-serif;font-size:21px;font-weight:400;letter-spacing:-.7px}.ac-app .ac-logomark{background:transparent;border-radius:0;color:#c9b8ff;font-size:29px;width:30px;height:34px}.ac-app .ac-brandname b{color:#c9b8ff;font-weight:400}.ac-fullaccess{position:relative;overflow:hidden}.ac-app .ac-sidebar,.ac-fullaccess{isolation:isolate;background:#141119}.ac-fullaccess>.hero-plasma,.ac-sidebar>.hero-plasma{position:absolute;inset:0;width:100%;height:100%;display:block;image-rendering:pixelated;z-index:-3;pointer-events:none}.ac-fullaccess>.hero-glass,.ac-sidebar>.hero-glass{position:absolute;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(62% 62% at 50% 46%,rgba(6,6,10,.7),rgba(6,6,10,.55) 55%,rgba(6,6,10,.25))}.ac-fullaccess>.hero-sheen,.ac-sidebar>.hero-sheen{position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.07),transparent 28%),linear-gradient(90deg,transparent 10%,rgba(255,255,255,.05) 50%,transparent 90%);mix-blend-mode:screen}.ac-sidebar>.hero-glass{background:linear-gradient(180deg,rgba(10,7,16,.28),rgba(10,7,16,.66) 65%,rgba(10,7,16,.8))}.ac-app .ac-bookcover strong,.ac-app .ac-top h1.ac-top-title{font-weight:800}.ac-app .ac-sidebar{height:100dvh;overflow:hidden;overscroll-behavior:none}.ac-sidebar-brand{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-shrink:0;margin-bottom:26px}.ac-learner-shell .ac-sidebar-brand{padding:0 12px 0 13px}.ac-learner-shell .ac-logo{gap:11px}.ac-app .ac-learner-shell .ac-logomark,.ac-learner-shell .ac-logomark{width:24px;height:24px;font-size:26px;line-height:1}.ac-sidebar-collapsed.ac-learner-shell .ac-sidebar-brand{padding:0;justify-content:center}.ac-app .ac-sidebar-brand .ac-logo{margin:0;min-width:0}.ac-app .ac-sidebar nav{flex-shrink:0;margin-top:0}.ac-app .ac-sidebar-account{flex-shrink:0}@media(max-width:900px){.ac-app .ac-sidebar-brand .ac-close{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:36px;height:36px;padding:0;margin:0;border:1px solid #574368;border-radius:9px;background:#251a32;color:#e9deff}.ac-app .ac-sidebar-brand{margin-bottom:22px}}@media(max-height:500px){.ac-app .ac-sidebar{padding-top:10px;padding-bottom:10px}.ac-app .ac-sidebar-brand{margin-bottom:10px}.ac-app .ac-sidebar nav{gap:2px}.ac-app .ac-sidebar-account{padding-top:8px;gap:2px}.ac-app .ac-sidebar-account>a,.ac-app .ac-sidebar-account>button,.ac-learner-shell .ac-sidebar nav a{min-height:34px;height:34px;padding-top:5px;padding-bottom:5px}.ac-app .ac-collapse{min-height:28px;margin-top:6px;padding-top:4px;padding-bottom:4px}}.ac-top.ac-top-compact{min-height:0;padding-top:16px;padding-bottom:4px}.ac-top-backlink{display:inline-flex;align-items:center;gap:6px;padding:6px 12px 6px 9px;border:1px solid var(--ac-line,#e6e0ee);border-radius:999px;background:#fff;color:#49365f;font-size:12px;font-weight:600;line-height:1;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s}.ac-top-backlink:hover{background:#f4effa;border-color:#d8cbe8}.ac-top-backlink:focus-visible{outline:2px solid #8b5cf6;outline-offset:2px}.ac-top.ac-top-empty{min-height:0;padding-top:14px;padding-bottom:0}.ac-bottomnav,.ac-profile-logout{display:none}@media(max-width:900px){.ac-learner-shell{--ac-bottomnav-h:calc(64px + env(safe-area-inset-bottom,0px))}.ac-learner-shell .ac-scrim,.ac-learner-shell .ac-sidebar,.ac-learner-shell .ac-top .ac-menu{display:none}.ac-learner-shell .ac-main{padding-bottom:var(--ac-bottomnav-h)}.ac-learner-shell .ac-bottomnav{position:fixed;inset:auto 0 0;z-index:40;display:grid;grid-template-columns:repeat(4,1fr);align-items:stretch;height:var(--ac-bottomnav-h);padding:6px 10px env(safe-area-inset-bottom,0);background:#ffffffd9;-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-top:1px solid #e7e2ef;transition:transform .2s ease,opacity .2s ease}.ac-bottomnav a{display:flex;flex-direction:column;gap:3px;min-height:48px;min-width:44px;border-radius:14px;color:#7a7289;font-size:11px;font-weight:500;line-height:1.1;letter-spacing:-.1px;text-decoration:none;-webkit-tap-highlight-color:transparent}.ac-bottomnav a,.ac-bottomnav-icon{align-items:center;justify-content:center}.ac-bottomnav-icon{display:inline-flex;width:52px;height:28px;border-radius:999px;transition:background .15s,color .15s}.ac-bottomnav a.active{color:#5b3fc4;font-weight:650}.ac-bottomnav a.active .ac-bottomnav-icon{background:#ece5fb;color:#6a45d8}.ac-bottomnav a:active .ac-bottomnav-icon{background:#f2ecfb}.ac-bottomnav a:focus-visible{outline:2px solid #7252d1;outline-offset:-2px}.ac-bottomnav[data-hidden]{transform:translateY(100%);opacity:0;pointer-events:none}.ac-learner-shell .ac-top:not(:has(.ac-top-title,.ac-top-back,.ac-top-backlink)){display:none}.ac-learner-shell .ac-top:has(.ac-top-back,.ac-top-backlink){min-height:0;padding:12px 16px 4px}.ac-learner-shell .ac-top:has(.ac-top-back)>div{gap:6px;min-width:0}.ac-learner-shell .ac-top:has(.ac-top-back) h1.ac-top-title{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.ac-learner-shell .ac-main:not(:has(.ac-top-title,.ac-top-back,.ac-top-backlink)) .ac-content{padding-top:18px}.ac-app.ac-learner-shell:has(.ac-reader-layout) .ac-reader-layout{height:calc(100dvh - 160px - var(--ac-bottomnav-h));min-height:520px}.ac-learner-shell .ac-profile-logout{display:block;max-width:1140px;margin:28px auto 0;padding-top:20px;border-top:1px solid #e7e2ef}.ac-profile-logout button{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:48px;padding:12px 16px;border:1px solid #e3d9ee;border-radius:14px;background:#fff;color:#b3264a;font-size:14px;font-weight:600;cursor:pointer}.ac-profile-logout button:active{background:#fdf2f5}.ac-profile-logout button:disabled{opacity:.6;cursor:wait}.ac-profile-logout button:focus-visible{outline:2px solid #7252d1;outline-offset:2px}.ac-profile-logout p{margin:8px 0 0;color:#b3264a;font-size:12px;text-align:center}}.ac-learner-shell:has(.cp[data-fullscreen=true]) .ac-bottomnav{display:none}.ac-learner-shell:has(.cp[data-fullscreen=true]) .ac-main{padding-bottom:0}@media(orientation:landscape) and (max-height:500px){.ac-learner-shell:has(.cp) .ac-bottomnav{display:none}.ac-learner-shell:has(.cp) .ac-main{padding-bottom:0}}.ac-tpl-grid{columns:280px 3;column-gap:20px;margin-top:6px}.ac-tpl-card{display:block;width:100%;text-align:left;background:#fff;border:1px solid var(--ac-line);border-radius:12px;overflow:hidden;padding:0;cursor:pointer;transition:transform .15s,border-color .15s;page-break-inside:avoid;break-inside:avoid;margin:0 0 20px}.ac-tpl-card:focus-visible,.ac-tpl-card:hover{transform:translateY(-3px);border-color:#bda7e9}.ac-tpl-frame{position:relative;width:100%;background-size:cover;background-position:50%;overflow:hidden}.ac-tpl-poster,.ac-tpl-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}.ac-tpl-video{opacity:0;transition:opacity .35s ease}.ac-tpl-video.is-playing{opacity:1}.ac-tpl-pending{position:absolute;inset:0;display:grid;place-items:center;color:#fffc;font-size:11px;letter-spacing:.02em}.ac-tpl-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px}.ac-tpl-meta h3{font-size:15px;letter-spacing:-.2px;text-wrap:balance}.ac-tpl-cat{display:block;font-size:10.5px;color:#9a90ac;margin-bottom:3px;text-transform:uppercase;letter-spacing:.05em}.ac-tpl-lock{display:inline-flex;align-items:center;gap:5px;flex-shrink:0;font-size:11px;color:#8a5a2e;background:#fdf1e3;border:1px solid #f0dcbb;border-radius:20px;padding:4px 9px 4px 7px}.ac-tpl-lock svg{width:10px;height:10px}.ac-tpl-back{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#7153a6;margin-bottom:18px}.ac-tpl-detail{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);grid-gap:30px;gap:30px;align-items:start}.ac-tpl-detail-media{position:relative;border-radius:14px;overflow:hidden;background:#1c1730;aspect-ratio:16/10}.ac-tpl-detail-media img,.ac-tpl-detail-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.ac-tpl-detail-info{background:#fff;border:1px solid var(--ac-line);border-radius:14px;padding:28px 26px}.ac-tpl-detail-info>.ac-pill{margin-bottom:14px}.ac-tpl-detail-info h1{margin-bottom:14px;text-wrap:balance}.ac-tpl-detail-info h3{font-size:15px;margin:0 0 10px}.ac-tpl-detail-info>p{font-size:15px;line-height:1.7;text-wrap:pretty;color:#6e637c;margin-bottom:20px}.ac-tpl-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;padding:0;list-style:none}.ac-tpl-chips li{font-size:12px;color:#7153a6;background:#f3eefb;border:1px solid #e6dbf7;border-radius:20px;padding:6px 12px}.ac-tpl-includes{margin:0 0 24px;padding:0;list-style:none;display:grid;grid-gap:9px;gap:9px}.ac-tpl-includes li{display:grid;grid-template-columns:16px minmax(0,1fr);grid-gap:9px;gap:9px;align-items:start;font-size:14px;color:#5f5470;line-height:1.6}.ac-tpl-includes code{font-size:12px;background:#f3eefb;border-radius:5px;padding:1px 5px;overflow-wrap:anywhere}.ac-tpl-includes li svg{flex-shrink:0;margin-top:3px;color:#8fbfa2}.ac-tpl-unlock{background:#f8f3ec;border:1px solid #f0e1c9;border-radius:11px;padding:18px 20px}.ac-tpl-unlock p{font-size:14px;color:#8a6d3f;line-height:1.7;margin-bottom:12px}.ac-tpl-detail-error{margin-top:12px;font-size:13px;color:#903a39}@media(max-width:900px){.ac-tpl-detail{grid-template-columns:1fr}.ac-tpl-detail-media{aspect-ratio:16/10}}@media(max-width:620px){.ac-tpl-grid{column-count:2;column-gap:12px}.ac-tpl-card{margin-bottom:12px}.ac-tpl-meta{padding:10px 12px}.ac-tpl-meta h3{font-size:13px}.ac-tpl-cat,.ac-tpl-lock span{display:none}.ac-tpl-detail-info{padding:22px 18px}}@media(max-width:420px){.ac-tpl-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.ac-tpl-video{display:none}.ac-bottomnav{transition:none}}.ac-mobilebar{display:none}@media(max-width:900px){.ac-learner-shell .ac-mobilebar{position:-webkit-sticky;position:sticky;top:0;z-index:28;display:flex;align-items:center;justify-content:space-between;gap:12px;height:calc(60px + env(safe-area-inset-top,0px));padding:env(safe-area-inset-top,0) 14px 0 16px;background:#141119;border-bottom:1px solid #2d2537;color:#fff}.ac-mobilebar-logo{display:inline-flex;align-items:center;gap:10px;color:#fff!important;font-size:17px;font-weight:600;letter-spacing:-.4px}.ac-mobilebar-logo b{font-weight:600;color:#b9a4ff}.ac-mobilebar-logo .ac-logomark{width:34px;height:34px;border-radius:9px;font-size:24px}.ac-mobilebar-menu{display:inline-grid;place-items:center;width:44px;height:44px;margin-right:-8px;border:0;border-radius:10px;background:none;color:#fff}.ac-mobilebar-menu svg{width:22px;height:22px}.ac-mobilebar-menu:active{background:#ffffff14}.ac-mobilebar-menu:focus-visible{outline:2px solid #b6a1ee;outline-offset:2px}.ac-learner-shell .ac-scrim,.ac-learner-shell .ac-sidebar{display:flex}.ac-app.ac-learner-shell .ac-sidebar{flex-direction:column;z-index:30;width:min(280px,84vw);inset:0 0 0 auto;border-right:0;border-left:1px solid #2d2537;transform:translateX(100%)}.ac-app.ac-learner-shell .ac-sidebar.open{transform:translateX(0)}.ac-learner-shell .ac-scrim{display:block}.ac-learner-shell .ac-main{padding-bottom:0}.ac-learner-shell{--ac-bottomnav-h:0px}.ac-learner-shell .ac-bottomnav{display:none}}@media(max-width:900px){.ac-learner-shell:has(.oj-hero,.oc-hero) .ac-mobilebar{border-bottom-color:transparent}.ac-learner-shell .ac-content:has(>.oj-hero:first-child,>.oc-course:first-child>.oc-hero:first-child){padding-top:0}.ac-learner-shell .ac-content>.oc-course:first-child>.oc-hero:first-child,.ac-learner-shell .ac-content>.oj-hero:first-child{width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);margin-top:0;border-radius:0 0 24px 24px;border-top:0}.ac-learner-shell .ac-main:has(.oj-hero,.oc-hero) .ac-top{background:#141119;border-bottom:0;padding:2px 16px 10px;min-height:0}.ac-learner-shell .ac-main:has(.oj-hero,.oc-hero) .ac-top-backlink{background:#ffffff12;border-color:#ffffff1f;color:#e9e3f3}}@media(max-width:900px){.ac-mobilebar-left{display:flex;align-items:center;gap:4px;min-width:0}.ac-mobilebar-back{display:inline-grid;place-items:center;width:40px;height:40px;margin-left:-10px;border-radius:10px;color:#fff!important}.ac-mobilebar-back:active{background:#ffffff14}.ac-mobilebar-back:focus-visible{outline:2px solid #b6a1ee;outline-offset:2px}.ac-learner-shell .ac-top .ac-top-back,.ac-learner-shell .ac-top .ac-top-backlink{display:none}.ac-learner-shell .ac-top:not(:has(.ac-top-title)){display:none}}.hero-back{display:inline-grid;place-items:center;width:38px;height:38px;margin:0 0 14px -6px;border-radius:11px;background:#ffffff12;border:1px solid #ffffff1f;color:#fff!important;transition:background .15s}.hero-back:hover{background:#ffffff22}.hero-back:focus-visible{outline:2px solid #b6a1ee;outline-offset:2px}.ac-learner-shell .ac-main:has(.hero-back) .ac-top:has(.ac-top-backlink,.ac-top-back):not(:has(.ac-top-title)){display:none}@media(max-width:900px){.hero-back{display:none}}.hero-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}.hero-top>p{margin:0!important}.hero-top .hero-back{margin:0 0 0 -4px;width:34px;height:34px;border-radius:10px;flex:none}.ac-app .ac-wordmark{display:block;height:22px;width:auto;max-width:100%}.ac-app .ac-brandmark{display:block;height:24px;width:auto}.ac-app .ac-mobilebar-logo .ac-wordmark{height:20px}