.rs-top{display:flex;gap:24px;align-items:center;padding:20px max(4vw,18px);border-bottom:1px solid var(--line)}.rs-top nav{display:flex;gap:20px;margin-left:auto;font-size:13px}.rs-top select{max-width:28vw;padding:10px;border:1px solid var(--line);border-radius:8px;background:#fffef8;color:var(--ink)}#rs-main{max-width:1350px;margin:auto;padding:28px 38px 80px}.rs-hero{position:relative;overflow:hidden;isolation:isolate;padding:38px 42px 32px;border-radius:22px;background:linear-gradient(100deg,#173d30ef,#173d30bd 60%,#173d3055),url('/static/IMG/classrooms/forest-window/themes-v6/library/background.webp') center 42%/cover;color:#fff9e7}.rs-hero h1{font:500 clamp(28px,3vw,40px)/1.5 Georgia,"Noto Serif CJK SC",serif;margin:12px 0}.rs-hero p{max-width:720px;line-height:1.8;font-size:14px;color:#e3e9d7;white-space:pre-wrap}.rs-hero small{letter-spacing:2px;opacity:.7}.rs-hero .lc-button{background:#e5eccf;color:#294b3d;border:0}.rs-hero .outline{color:#fff5d8;background:#ffffff10;border:1px solid #fff4d44a}.rs-tabs{display:flex;gap:24px;overflow-x:auto;scrollbar-width:thin;position:sticky;top:0;z-index:8;background:#f8f7f0f5;backdrop-filter:blur(10px);border-bottom:1px solid var(--line);margin:10px 0 26px;padding-top:10px}.rs-tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:14px 0;color:var(--soft);white-space:nowrap;font:inherit;font-size:14px}.rs-tabs button.active{color:var(--ink);border-color:#527858}.rs-row{display:flex;gap:16px;align-items:center;justify-content:space-between}.rs-row h2{font-size:21px;font-weight:500}.rs-columns{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:24px}.rs-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.rs-card{padding:24px;border:1px solid var(--line);border-radius:16px;background:#fffef8;min-width:0}.rs-card h3{font-size:19px;line-height:1.55;font-weight:500;margin:12px 0;overflow-wrap:anywhere}.rs-card p{font-size:13px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere}.rs-card .lc-actions{border-top:1px solid #e8eadf;padding-top:15px}.rs-card .lc-button{font-size:12px;padding:8px 12px}.rs-entry{padding:18px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.7;overflow-wrap:anywhere}.rs-entry:first-child{padding-top:0}.rs-entry:last-child{border:0}.rs-entry small{display:block;color:var(--soft);font-size:12px;margin-top:6px}.rs-task{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.rs-task b{font-size:14px;line-height:1.8;font-weight:500}.rs-task small{display:block;font-size:12px;color:var(--soft);margin-top:5px}.rs-task .lc-actions{margin:0;padding:0;border:0}.rs-task .lc-button{padding:7px 11px;font-size:12px}.rs-task.done b{text-decoration:line-through;color:var(--soft)}.rs-toolbar{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 24px}.rs-toolbar input,.rs-toolbar select{padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#fffef8;color:var(--ink);max-width:100%}.rs-count{font:28px Georgia,serif;color:var(--ink);margin:14px 0 4px}.rs-status{display:inline-block;font-size:11px;padding:4px 9px;border-radius:30px;background:#e9eee0;color:#4c6c54}.rs-note{background:#eaf0e2;border-left:3px solid #a3b88e;padding:16px 20px;font-size:13px;line-height:1.9;margin:20px 0}.rs-node{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.rs-node time{font-size:13px;color:var(--soft)}.rs-node b{font-weight:500}.rs-checkboxes{display:flex;flex-wrap:wrap;gap:10px}.rs-checkboxes label{display:flex!important;flex-direction:row!important;align-items:center;gap:8px!important;font-size:13px;background:#edf0e5;padding:9px 12px;border-radius:9px}.rs-checkboxes input{width:auto!important}#rs-dialog{width:min(800px,94vw);max-height:90dvh;border:1px solid var(--line);border-radius:18px;padding:0;color:var(--ink);background:var(--paper)}#rs-dialog::backdrop{background:#112f236b;backdrop-filter:blur(3px)}#rs-dialog>header{display:flex;position:sticky;top:0;align-items:center;justify-content:space-between;padding:18px 24px;background:var(--paper);border-bottom:1px solid var(--line);z-index:2}#rs-dialog h2{font-size:20px;font-weight:500;margin:0}#rs-close{border:0;background:none;font-size:27px;color:var(--soft)}#rs-form{padding:24px}#rs-form form>p{font-size:13px;line-height:1.9;color:var(--soft)}#rs-form .lc-form-grid textarea{min-height:90px}.rs-wide{grid-column:1/-1}.rs-stage{border-bottom:1px solid var(--line);padding:18px 0}.rs-stage summary{font-size:15px;line-height:1.7;cursor:pointer}.rs-stage p{font-size:13px;line-height:1.8;white-space:pre-wrap}.rs-actions-mobile{display:none}.rs-muted{font-size:12px;color:var(--soft)}.rs-feed{border-left:1px solid #cdd8c4;padding-left:22px}.rs-feed .rs-entry{position:relative}.rs-feed .rs-entry:before{content:'';position:absolute;left:-27px;top:24px;width:8px;height:8px;border-radius:50%;background:#8ca27c}.rs-feed .rs-entry:first-child:before{top:7px}.rs-ellipsis{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:900px){.rs-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.rs-columns{grid-template-columns:1fr}.rs-top{flex-wrap:wrap;gap:12px}.rs-top select{max-width:100%;width:100%}#rs-main{padding:20px}.rs-hero{padding:28px}.rs-tabs{gap:22px}.rs-top .lc-brand{font-size:22px}}
@media(max-width:540px){#rs-main{padding:14px 14px max(40px,env(safe-area-inset-bottom))}.rs-hero{padding:25px 22px;border-radius:16px}.rs-hero h1{font-size:27px}.rs-grid{grid-template-columns:1fr}.rs-card{padding:21px}.rs-tabs{gap:22px;font-size:13px}.rs-top{padding:16px}.rs-top nav{font-size:12px;gap:13px}.rs-node{grid-template-columns:1fr;gap:8px}.rs-row{align-items:flex-start}.rs-row h2{font-size:19px}.rs-task{grid-template-columns:1fr}.rs-task .lc-actions{justify-content:flex-start}.rs-toolbar{gap:8px}.lc-metric b{font-size:24px}#rs-form{padding:20px}.lc-form-grid{grid-template-columns:1fr}.rs-top .lc-brand span{font-size:11px}.rs-checkboxes{gap:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.rs-feature-topics{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:540px){.rs-feature-topics{grid-template-columns:1fr}}