/* Study content remains inside the AI study world, using the campus palette. */
.sc-study-b .sb-module-panel[hidden]{display:none!important}.sc-study-b .sb-module-panel{margin-top:22px;scroll-margin-top:100px;min-width:0;border:1px solid #d2e3f8;border-radius:16px;background:#fff;box-shadow:0 12px 40px #477fbb08;overflow:hidden}
.sc-study-b .sb-module-context{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 26px;background:#f5f9ff;border-bottom:1px solid #deebfa;font-size:13px;color:#536f92}.sc-study-b .sb-module-context>span{display:flex;align-items:center;gap:12px}.sc-study-b .sb-module-context i{font-style:normal;color:#9ab5d2}.sc-study-b .sb-module-context b{color:#214773;font-weight:500}.sc-study-b .sb-module-context>button{display:inline-flex;align-items:center;gap:9px;min-height:40px;border:0;background:transparent;padding:5px 0;color:#3265a5;font-size:13px;white-space:nowrap}.sc-study-b .sb-module-context svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6}
.sc-study-b.sb-exploring .sb-worlds{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.sc-study-b.sb-exploring .sb-world{height:105px;min-height:105px;border-radius:11px}.sc-study-b.sb-exploring .sb-world-content{width:100%;padding:17px 18px;justify-content:center}.sc-study-b.sb-exploring .sb-world-type{font-size:10px;margin-bottom:6px;gap:5px}.sc-study-b.sb-exploring .sb-world h2{font-size:21px;margin:0;letter-spacing:2px}.sc-study-b.sb-exploring .sb-world-description,.sc-study-b.sb-exploring .sb-world-tags,.sc-study-b.sb-exploring .sb-world-bottom,.sc-study-b.sb-exploring .sb-network,.sc-study-b.sb-exploring .sb-hub{display:none}.sc-study-b.sb-exploring .sb-art{width:66%;opacity:.32;animation:none}.sc-study-b.sb-exploring .sb-enter{position:absolute;inset:0;margin:0;width:100%;height:100%;border:0;background:transparent;box-shadow:none;border-radius:10px;color:transparent;font-size:0}.sc-study-b.sb-exploring .sb-enter svg{display:none}.sc-study-b.sb-exploring .sb-world-selected,.sc-study-b.sb-exploring .sb-world:has([aria-expanded=true]){border-color:#72a6f2;box-shadow:inset 0 -3px #2f75e7;background:#edf5ff}.sc-study-b.sb-exploring .sb-world:before{background:linear-gradient(100deg,#fff,#ffffffb0)}
.sc-study-b .uni-shell{--uni-ink:#17365f;--uni-muted:#587596;--uni-line:#d6e5f7;--uni-paper:#fff;padding:28px 30px 30px;color:var(--uni-ink);font:14px/1.75 var(--sb-sans);min-height:370px}.sc-study-b .uni-heading{align-items:flex-start;margin-bottom:24px;gap:20px}.sc-study-b .uni-heading h1{font:500 clamp(25px,2.3vw,31px)/1.55 var(--sb-serif);letter-spacing:2px;margin:7px 0 9px;color:#14355f}.sc-study-b .uni-heading h1:focus{outline:none}.sc-study-b .uni-eyebrow{font-size:12px;letter-spacing:.1em;color:#5f82ad;font-weight:500}.sc-study-b .uni-heading p{font-size:14px;line-height:1.9;color:#567494;margin:0;max-width:700px}.sc-study-b .uni-heading>.secondary{margin-top:12px}.sc-study-b .uni-section-line{margin:22px 0 18px;gap:16px}.sc-study-b .uni-section-line h2{color:#24466e;font-size:18px;font-weight:500}
.sc-study-b .uni-shell .primary{background:#2165ed;border:1px solid #2165ed;color:#fff;box-shadow:0 4px 14px #2165ed12}.sc-study-b .uni-shell .primary:hover{background:#1354d6;border-color:#1354d6}.sc-study-b .uni-shell .secondary{background:#f7fbff;border:1px solid #bcd5f5;color:#2f64a6}.sc-study-b .uni-shell .secondary:hover{background:#edf5ff;border-color:#81aff0}.sc-study-b .uni-shell .ghost{background:transparent;color:#426f9f;border-color:transparent}.sc-study-b .uni-shell .ghost:hover{background:#edf5ff}.sc-study-b .uni-shell button{min-height:42px;border-radius:9px}.sc-study-b .uni-shell button:disabled{opacity:.5;cursor:not-allowed}.sc-study-b .uni-shell button:focus-visible,.sc-study-b .uni-shell input:focus-visible,.sc-study-b .uni-shell textarea:focus-visible,.sc-study-b .uni-shell select:focus-visible{outline:3px solid #85b7fa;outline-offset:3px}.sc-study-b .uni-shell input,.sc-study-b .uni-shell textarea,.sc-study-b .uni-shell select{color:#1d3c64;background:#fbfdff;border:1px solid #c5d9f1;border-radius:8px;font-size:14px;min-height:44px}.sc-study-b .uni-shell textarea{line-height:1.9}.sc-study-b .uni-shell input::placeholder,.sc-study-b .uni-shell textarea::placeholder{color:#7891ac}
.sc-study-b .uni-empty{position:relative;overflow:hidden;min-height:240px;padding:38px 22px 32px;border:1px solid #dfeafa;border-radius:12px;background:radial-gradient(ellipse at 50% 15%,#eaf5ff,transparent 65%),#fbfdff;margin:14px 0 0}.sc-study-b .uni-empty>span{width:62px;height:62px;margin:0 auto 18px;border:1px solid #c3dcfb;border-radius:17px;background:linear-gradient(135deg,#fff,#e5f1ff);box-shadow:0 0 0 7px #edf5ff;color:#3b7bcd;font:500 27px var(--sb-serif)}.sc-study-b .uni-empty h3{font:500 20px/1.5 var(--sb-serif);color:#2d527e;margin:12px 0 9px;letter-spacing:1px}.sc-study-b .uni-empty p{color:#627d9b;font-size:14px;margin:0;line-height:1.9}.sc-study-b .uni-loading{color:#547aa6;background:#f1f7ff;padding:14px 18px;border:1px solid #d4e5f9;border-radius:9px}
.sc-study-b .uni-material-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.sc-study-b .uni-material{background:linear-gradient(145deg,#fff,#f7fbff);border:1px solid #d5e5f7;border-top:3px solid #a8cdf9;min-height:210px;border-radius:10px;padding:24px;box-shadow:none;color:#21446f}.sc-study-b .uni-material:hover,.sc-study-b .uni-post-card:hover{transform:none;border-color:#83b2ee;box-shadow:0 5px 22px #377dce0d}.sc-study-b .uni-material-label{color:#5b7fa6;font-size:12px}.sc-study-b .uni-material h3{font:500 23px/1.6 var(--sb-serif);color:#193d6b}.sc-study-b .uni-material p,.sc-study-b .uni-post-card>p{font-size:14px;color:#587694;line-height:1.9}.sc-study-b .uni-material-foot{border-color:#dfeafa;color:#3d6b9f;font-size:13px}.sc-study-b .uni-back{color:#3f72ad;min-height:40px;margin-bottom:16px}.sc-study-b .uni-reading,.sc-study-b .uni-study,.sc-study-b .uni-post-detail,.sc-study-b .uni-post-editor,.sc-study-b .uni-comments{background:#fff;border:1px solid #d9e7f8;border-radius:12px;padding:28px 32px;box-shadow:none}.sc-study-b .uni-reading{max-width:900px;background:linear-gradient(180deg,#f7fbff,white 200px)}.sc-study-b .uni-reading>h2,.sc-study-b .uni-post-detail>h2{color:#1c3d64;font:500 29px/1.7 var(--sb-serif)}.sc-study-b .uni-prose{font-size:16px;line-height:2.15;color:#294768;max-width:76ch;margin:26px auto;white-space:pre-wrap}.sc-study-b .uni-reading-meta,.sc-study-b .uni-source,.sc-study-b .uni-muted{color:#587491;font-size:13px}.sc-study-b .uni-source{border-color:#d8e6f8}.sc-study-b .uni-study-head h2{color:#173b68}.sc-study-b .uni-study-head p,.sc-study-b .uni-study-body>h3{color:#557393}
.sc-study-b .uni-tabs{background:#f0f6ff;border:1px solid #d8e7fa;padding:4px;border-radius:10px}.sc-study-b .uni-tabs button{color:#56789e;padding:8px 14px;border:0;background:transparent;min-height:38px}.sc-study-b .uni-tabs button.active{background:#fff;color:#215fc1;box-shadow:0 2px 7px #2660aa0c}.sc-study-b .uni-filter{gap:9px}.sc-study-b .uni-filter button{background:#f5f9ff;color:#456c9d;border:1px solid #d7e6f8;padding:8px 18px}.sc-study-b .uni-filter button.active{background:#e8f2ff;border-color:#8fb8f1;color:#225fb8}.sc-study-b .uni-post-card{background:#fff;border:1px solid #d7e6f8;border-radius:12px;padding:24px;color:#25446c;box-shadow:none}.sc-study-b .uni-post-card h2{color:#20446d;font:500 24px/1.7 var(--sb-serif)}.sc-study-b .uni-post-card-meta,.sc-study-b .uni-post-card-foot{color:#5c7da2;font-size:12px;border-color:#e0ebf8}.sc-study-b .uni-post-card-meta b,.sc-study-b .uni-featured{background:#eaf3ff;color:#326aab;border:1px solid #cbdef8}.sc-study-b .uni-post-editor label,.sc-study-b .uni-comments form label{color:#31577f;font-size:14px}.sc-study-b .uni-post-editor>h2,.sc-study-b .uni-comments h2{color:#244a76}.sc-study-b .uni-comments time{color:#617e9b}.sc-study-b .uni-feedback{background:#edf6ff;border:1px solid #c9e0fb;color:#315f94;font-size:14px}.sc-study-b .uni-feedback.error{background:#fff5f5;border-color:#e7c3c5;color:#954a52}.sc-study-b .uni-answer-pair>section{background:#f6faff;border:1px solid #dce9f9;padding:22px}.sc-study-b .uni-answer-pair>section:last-child{background:#edf5ff;border-color:#c5dcfa}.sc-study-b .uni-answer-pair h4{color:#3b689b;font-size:14px}.sc-study-b .uni-result{background:#fff;border:1px solid #cfdef3;border-radius:12px}.sc-study-b .uni-answer-result>h3{color:#4f75a1}.sc-study-b .uni-question{border-color:#d8e6f7;background:#fbfdff}.sc-study-b .uni-question-prompt{color:#244970}.sc-study-b .uni-preserve{color:#2b4b6d;font-size:15px;line-height:2}
.portal-fixed-identity .portal-current-account{background:transparent!important;border:0!important;box-shadow:none!important;cursor:pointer}.portal-fixed-identity .portal-current-account:focus-visible{outline:3px solid #8cb7f7;outline-offset:3px}.portal-fixed-identity .portal-current-account b{color:#53769f!important}
@media(min-width:1100px){.sc-study-b.sb-exploring .sb-world h2{font-size:23px}.sc-study-b.sb-exploring .sb-world-type{font-size:11px}}
@media(max-width:950px){.sc-study-b .uni-material-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sc-study-b.sb-exploring .sb-worlds{gap:10px}.sc-study-b.sb-exploring .sb-world-content{padding:15px 12px}.sc-study-b.sb-exploring .sb-world h2{font-size:19px;letter-spacing:1px}.sc-study-b.sb-exploring .sb-world-type{font-size:9px}.sc-study-b .uni-shell{padding:24px}}
@media(max-width:650px){.sc-study-b.sb-exploring .sb-worlds{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.sc-study-b.sb-exploring .sb-world{height:78px;min-height:78px}.sc-study-b.sb-exploring .sb-world-content{padding:10px 14px}.sc-study-b.sb-exploring .sb-world h2{font-size:21px}.sc-study-b.sb-exploring .sb-world-type{font-size:9px;margin-bottom:3px}.sc-study-b .sb-module-panel{margin-top:16px;border-radius:12px;scroll-margin-top:82px}.sc-study-b .sb-module-context{padding:10px 16px;gap:10px;flex-wrap:wrap}.sc-study-b .sb-module-context>span{order:3;width:100%;font-size:12px;padding-bottom:4px}.sc-study-b .uni-shell{padding:22px 17px;min-height:350px}.sc-study-b .uni-heading h1{font-size:27px}.sc-study-b .uni-heading p{font-size:13px}.sc-study-b .uni-heading>.secondary{margin-top:0;font-size:12px;min-height:38px}.sc-study-b .uni-material-grid{grid-template-columns:1fr}.sc-study-b .uni-reading,.sc-study-b .uni-study,.sc-study-b .uni-post-detail,.sc-study-b .uni-post-editor,.sc-study-b .uni-comments{padding:23px 17px}.sc-study-b .uni-prose{font-size:15px}.sc-study-b .uni-empty{min-height:230px}.sc-study-b .uni-section-line{gap:12px}.sc-study-b .uni-section-line>.primary{width:100%}.sc-study-b .uni-tabs{display:flex;width:100%;min-width:0}.sc-study-b .uni-tabs button{flex:1;padding:8px 6px;font-size:12px}.sc-study-b .uni-empty p{font-size:13px}}
.sc-study-b.sb-exploring .sb-worlds{position:sticky;top:88px;z-index:8;background:#f5faff;padding:8px 0}.sc-study-b .sb-module-panel{scroll-margin-top:220px}
.uni-exam-sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:25px 0 24px}.uni-exam-sections>button{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:70px;padding:17px 21px;border:1px solid #d1e2f8;border-radius:10px;background:#f7fbff;color:#54789f;text-align:left;cursor:pointer}.uni-exam-sections>button>span{font-size:18px;font-weight:500}.uni-exam-sections>button>small{font-size:12px;color:#6080a5}.uni-exam-sections>button[aria-pressed=true]{border-color:#89b6f1;background:linear-gradient(110deg,#eaf3ff,#f4f9ff);color:#1e5fb9;box-shadow:inset 3px 0 #3d7feb}.uni-exam-privacy{background:#f3f8ff;padding:13px 16px;border:1px solid #dae8fa;border-radius:9px;line-height:1.9}
@media(max-width:650px){.uni-exam-sections{gap:10px;margin:22px 0}.uni-exam-sections>button{flex-direction:column;align-items:flex-start;justify-content:center;padding:15px;gap:3px;min-height:82px}.uni-exam-sections>button>span{font-size:17px}.uni-exam-sections>button>small{font-size:11px}}
@media(max-width:650px){.sc-study-b.sb-exploring .sb-worlds{grid-template-columns:repeat(4,minmax(0,1fr));top:70px;gap:7px}.sc-study-b.sb-exploring .sb-world{height:66px;min-height:66px}.sc-study-b.sb-exploring .sb-world-content{padding:9px 6px}.sc-study-b.sb-exploring .sb-world-type{display:none}.sc-study-b.sb-exploring .sb-world h2{font-size:16px;letter-spacing:0}.sc-study-b .sb-module-panel{scroll-margin-top:170px}}
@media(max-width:400px){.sc-study-b.sb-exploring .sb-worlds{gap:5px}.sc-study-b.sb-exploring .sb-world h2{font-size:13px}.sc-study-b .sb-module-panel{scroll-margin-top:165px}}
@media(prefers-reduced-motion:reduce){.sc-study-b .sb-module-panel,.sc-study-b .uni-shell *{scroll-behavior:auto;transition:none!important;animation:none!important}}
/* Compact reading and writing galleries; the whole card opens the work. */
.sc-study-b .uni-gallery-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 24px;padding:0}
.sc-study-b .uni-gallery-heading h2{font-family:'STSong','Songti SC','SimSun',serif;color:#153960;font-size:27px;letter-spacing:2px;margin:0}
.sc-study-b .uni-gallery-heading>div{display:flex;align-items:center;gap:14px}
.sc-study-b .uni-gallery-count{font-size:13px;color:#547292}
.sc-study-b .uni-gallery-heading button{min-height:44px;font-size:13px}
.sc-study-b .uni-gallery-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.sc-study-b button.uni-work-card{padding:0;text-align:left;display:flex;flex-direction:column;width:100%;min-width:0;border:1px solid #d4e3f5;border-radius:10px;background:#fff;color:#173b63;overflow:hidden;box-shadow:none;transition:border-color .18s,box-shadow .18s}
.sc-study-b button.uni-work-card:hover{border-color:#7caff5;box-shadow:0 8px 24px #3a77b914}
.sc-study-b button.uni-work-card:focus-visible{outline:3px solid #75a9f4;outline-offset:4px}
.sc-study-b .uni-work-cover{width:100%;height:165px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:25px 17px;position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(135deg,#e7f3ff,#d4e6ff);color:#1d4e82;border-bottom:1px solid #d5e5f6}
.sc-study-b .uni-work-cover:before,.sc-study-b .uni-work-cover:after{content:'';position:absolute;border:1px solid #ffffffb8;border-radius:50%;width:165px;height:165px;right:-50px;top:-80px;z-index:-1}
.sc-study-b .uni-work-cover:after{width:210px;height:210px;top:60px;left:-75px;right:auto;border-color:#86b4e43d}
.sc-study-b .uni-cover-1{background:linear-gradient(130deg,#e9edfc,#dde8fa)}
.sc-study-b .uni-cover-2{background:linear-gradient(130deg,#e1f2f5,#e6f3fd)}
.sc-study-b .uni-cover-3{background:linear-gradient(130deg,#f1f7ff,#dbe8f7)}
.sc-study-b .uni-work-cover i{position:absolute;inset:12px;border:1px solid #ffffffb0;border-radius:3px;z-index:-1}
.sc-study-b .uni-cover-kind{font-size:10px;letter-spacing:3px;color:#4a719d;line-height:1.5;margin-bottom:13px}
.sc-study-b .uni-work-cover strong{font-family:'STSong','Songti SC','SimSun',serif;font-size:25px;letter-spacing:2px;line-height:1.5;text-align:center;max-width:100%;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.sc-study-b .uni-cover-sign{font-size:11px;color:#52779b;margin-top:12px;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.sc-study-b .uni-cover-paper{background:linear-gradient(140deg,#eef5ff,#e2ecfc)}
.sc-study-b .uni-work-info{display:flex;flex-direction:column;gap:9px;padding:18px;width:100%;flex:1}
.sc-study-b .uni-work-info>strong{font-size:16px;line-height:1.65;color:#20476e;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sc-study-b .uni-work-author,.sc-study-b .uni-work-category{font-size:12px;color:#5b7591;line-height:1.5;display:flex;justify-content:space-between;gap:5px}
.sc-study-b .uni-work-category b{color:#326cab;font-weight:500}
.sc-study-b .uni-work-excerpt{font-size:13px;line-height:1.8;color:#58718c;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.sc-study-b .uni-work-open{display:flex;align-items:center;justify-content:space-between;gap:7px;font-size:12px;line-height:1.5;color:#3169a8;border-top:1px solid #ebf1f8;padding-top:12px;margin-top:auto}
.sc-study-b .uni-source a{color:#1761f5;text-decoration:underline;text-underline-offset:3px}
@media(max-width:650px){.sc-study-b .uni-gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}}
@media(max-width:520px){.sc-study-b .uni-gallery-heading{gap:10px;align-items:flex-start}.sc-study-b .uni-gallery-heading h2{font-size:23px;white-space:nowrap}.sc-study-b .uni-gallery-heading>div{gap:4px;flex-wrap:wrap;justify-content:flex-end}.sc-study-b .uni-gallery-heading button{font-size:12px;padding:9px}.sc-study-b .uni-gallery-grid{gap:12px}.sc-study-b .uni-work-cover{height:140px;padding:18px 12px}.sc-study-b .uni-work-cover strong{font-size:21px;letter-spacing:1px}.sc-study-b .uni-work-info{padding:13px;gap:7px}.sc-study-b .uni-work-info>strong{font-size:14px}.sc-study-b .uni-work-excerpt{font-size:12px;min-height:43px}.sc-study-b .uni-work-open{font-size:11px;flex-wrap:wrap}}

/* Inside a learning module, show only its content. */
.sc-study-b.sb-exploring .sb-worlds{display:none!important}
.sc-study-b.sb-exploring .sb-module-panel{margin-top:0;border:0;background:transparent;box-shadow:none;overflow:visible;scroll-margin-top:96px}
.sc-study-b.sb-exploring .uni-shell{padding:4px 0 30px}