.la-native-player>.courseos-wb-player-head,.la-native-player .courseos-wb-canvas,.la-native-player .courseos-wb-thumbnails,.la-native-player>.courseos-wb-media-note,.la-native-player>.courseos-wb-embedded-media{display:none!important}.la-native-page{color:#203d38;background:#fff}.la-native-page>.la-dialog{width:100%;max-height:none;box-shadow:none;border-radius:0}.la-native-page .la-dialog-body{overflow:visible;padding:20px 30px}.la-native-page header{background:#eaf5f1}.la-native-page header small{font-size:14px}.la-native-page .la-prompt{display:none}.la-native-page .la-dialog>footer{justify-content:flex-end}.la-native-page button,.lt-teaching button{border:1px solid #b8d4c9;background:white;padding:10px 16px;border-radius:10px;color:#254e40;cursor:pointer;font:inherit}.la-native-page [data-la-countdown]{display:none}.la-native-page .la-frame{height:900px;min-height:780px;margin:0}.la-native-page .la-options,.la-native-page .la-fields{margin-top:20px}.lt-teaching{font-size:18px;line-height:1.6}.lt-teaching h3{font-size:21px}.lt-teaching [hidden]{display:none!important}.lt-step-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.lt-step-nav span{background:#f2f5f3;border-radius:30px;padding:7px 15px;color:#6c837b;font-size:14px}.lt-step-nav span.active{background:#087f78;color:white}.lt-step-nav span.done{background:#d9eee6;color:#226750}.lt-task{border-left:4px solid #dcaa50;background:#fff7e8;padding:12px 18px;margin:14px 0 20px}.lt-task b{font-size:22px}.lt-task p{margin:5px 0}.lt-cover{text-align:center;padding:20px 0}.lt-cover h1{font-size:42px;color:#16574c;margin:18px 0}.lt-cover>span{color:#577c6e;font-size:16px}.lt-journey{background:#e9f3ee;border-radius:12px;padding:20px;text-align:center;font-size:24px;letter-spacing:2px;margin:16px 0}.lt-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:18px 0}.lt-four{grid-template-columns:repeat(4,minmax(0,1fr))}.lt-card{border:1px solid #d4e3db;border-radius:14px;padding:18px 20px;background:#fafdfb}.lt-card h3{margin:10px 0;font-size:21px}.lt-card p{font-size:17px;color:#58756a;margin:6px 0}.lt-icon{font-size:38px;display:block}.lt-callout{background:#edf7f2;padding:16px 20px;border-radius:10px;margin:18px 0}.lt-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border-top:1px solid #dde9e2;padding:18px 0 8px;margin-top:24px;font-size:15px}.lt-controls [data-lt-message]{color:#a85918}.lt-teacher-only{font-size:14px;background:#f6f7f4;border-radius:8px;padding:12px 16px}.lt-teacher-only p{white-space:pre-wrap}.lt-process{padding:18px;background:#edf4ff;border-radius:12px;font-size:22px;text-align:center}.lt-field{display:grid;gap:8px;margin:16px 0}.lt-teaching textarea,.lt-teaching input,.lt-teaching select{border:1px solid 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40px}.lt-balance{display:flex;justify-content:center;align-items:center;gap:20px;padding:20px;background:#f3f8f5;border-radius:14px;margin:16px 0}.lt-pan{border-bottom:4px solid #659581;border-radius:20px;padding:10px 25px;font-size:40px;min-width:130px;text-align:center}.lt-beam{font-size:38px;text-align:center}.lt-beam small{display:block;font-size:14px}.lt-symbols{font-size:30px;padding:24px;text-align:center}.lt-batches{padding:18px;border:1px solid #d4e3db;border-radius:12px}.lt-batches h3{margin-top:0}.lt-batches [data-lt-batch-list]{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}.lt-batches label{display:grid;gap:6px;max-width:150px}.lt-batches input{width:130px}.lt-batches b{display:block;margin-top:12px}.lt-segments{display:flex;margin:24px 0;border:2px solid #458275;border-radius:8px;overflow:hidden}.lt-segments span{text-align:center;padding:18px 6px;background:#d9ede6;border-right:2px solid #458275;min-width:40px;flex:1}.lt-segments span:nth-child(even){background:#fff0d6}.lt-video video{width:100%;max-height:650px;background:#132926;border-radius:12px}.lt-video{margin:18px 0}.lt-history{border:1px solid #d4e3db;padding:16px 20px;border-radius:12px;background:#fff9ef;margin:18px 0}.lt-history h3{margin-top:0}.lt-history p{white-space:pre-wrap;font-size:16px}.lt-history b{color:#906b35}.lt-experiment-host{margin:18px -16px}.la-student .lt-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.la-student .lt-teaching{font-size:16px}.la-student .lt-cover h1{font-size:30px}.la-student .la-frame{height:900px}.la-native-page .la-fields label{font-size:16px}.la-native-page .la-fields textarea{min-height:75px}
@media(max-width:760px){.la-native-page .la-dialog-body{padding:14px}.lt-cards,.lt-four,.la-student .lt-cards{grid-template-columns:1fr}.lt-teaching{font-size:16px}.lt-cover h1{font-size:30px}.lt-relation{gap:10px;padding:12px}.lt-middle{padding:10px}.lt-node{font-size:30px}.lt-node b{font-size:14px}.lt-balance{gap:8px;padding:12px}.lt-pan{min-width:65px;padding:8px;font-size:28px}.lt-process,.lt-journey{font-size:17px}.lt-slots{flex-direction:column}.lt-video video{max-height:400px}.lt-experiment-host{margin:14px -6px}.lt-symbols{font-size:22px;padding:10px}}
.la-native-page [hidden],.la-student [hidden]{display:none!important}.lt-workbook{margin:18px 0;padding:14px 18px;border:1px solid #d5e4dc;border-radius:12px;background:#fafcfb;font-size:16px}.lt-workbook summary{cursor:pointer;color:#2a6657}.lt-relation{position:relative;height:280px;display:block;padding:0}.lt-triangle{position:absolute;inset:0;width:100%;height:100%}.lt-relation .lt-node{position:absolute;bottom:10px;left:12%;background:#eef5ef;padding:4px 12px;border-radius:14px}.lt-relation .lt-middle{left:50%;top:4px;bottom:auto;transform:translateX(-50%);border:0;background:#fff5e5}.lt-relation .lt-node:last-child{left:auto;right:12%}.lt-stone{color:#708178}.lt-relation .lt-node b{font-size:17px}@media(max-width:760px){.lt-relation{height:230px}.lt-relation .lt-node{left:2%;bottom:12px}.lt-relation .lt-node:last-child{right:2%}.lt-relation .lt-middle{left:50%}.lt-relation .lt-node b{font-size:13px}}
.la-native-player [data-wb-action="autoplay"],.la-native-player [data-wb-action="fullscreen-player"]{display:none}.lt-triangle{pointer-events:none}
.lt-page-web-activity{position:absolute;right:18px;bottom:16px;z-index:4;display:flex;flex-direction:column;gap:6px;padding:12px 14px;background:#ffffffed;border:1px solid #d6e5e2;border-radius:12px;box-shadow:0 6px 26px #20473826;backdrop-filter:blur(8px)}.lt-page-web-activity small{font-size:11px;color:#66897e}.lt-page-web-activity button{border:0;background:#087f78;color:white;border-radius:8px;padding:10px 16px;font:inherit;font-size:14px;cursor:pointer}.platform-ppt-stage:has(.cos-loading-active) .lt-page-web-activity{display:none}@media(max-width:600px){.lt-page-web-activity{right:8px;bottom:8px;padding:8px}.lt-page-web-activity button{font-size:12px;padding:8px 10px}}
.platform-interactive-resource{width:100%;height:75vh;min-height:640px;display:block;border:1px solid #d7e5df;border-radius:12px;background:#f8fbf9}.platform-asset-viewer-screen:has(.platform-interactive-resource){display:block!important;padding:16px!important}.platform-asset-viewer-screen:has(.platform-interactive-resource)>.platform-asset-viewer-message{font-size:12px;color:#6b8579;padding:0 0 10px;text-align:left}