.es-settings{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin:0 0 24px;padding:14px 18px;border:1px solid #ded7e9;border-radius:12px;background:#faf8fd;color:#736481;font:12px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.es-settings,.es-settings *{box-sizing:border-box}.es-title{display:inline-flex;align-items:center;gap:7px;font-weight:600}.es-settings label{display:flex;align-items:center;gap:7px}.es-settings select{max-width:100%;min-height:36px;border:1px solid #e0d9e9;border-radius:7px;padding:5px 22px 5px 9px;font:inherit;background:#fff;color:#645375;cursor:pointer}.es-settings select:focus-visible,.es-actions .es-speak:focus-visible{outline:3px solid #9c8ed2;outline-offset:3px}.es-settings .es-status{flex-basis:100%;color:#81738f;font-size:11px}.es-settings .es-status.is-error{color:#a34d55}.es-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:9px 0 12px}.es-actions .es-speak{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;max-width:100%;padding:6px 10px;border:1px solid #ded6e9;border-radius:8px;background:#faf8fd;color:#79658f;cursor:pointer;font:12px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.es-actions .es-speak:hover{background:#f1ebf8;border-color:#b9a7ce}.es-actions .es-speak[aria-pressed=true]{background:#eae1f4;color:#64487f;border-color:#a68dc3}.es-actions .es-speak:disabled{opacity:.5;cursor:default}.es-actions .es-inline-error{flex-basis:100%;color:#a34d55;font:12px/1.7 system-ui,sans-serif}.es-actions svg,.es-title svg{flex:none;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}@media(max-width:620px){.es-settings{gap:10px 14px;padding:14px;margin-bottom:18px}.es-title{width:100%}.es-settings label{min-width:0}.es-actions .es-speak{min-height:40px}}.en-app{max-width:1140px;margin:0 auto;color:#294636;font:14px/1.65 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.en-app *,.en-app *:before,.en-app *:after{box-sizing:border-box}.en-app button,.en-app input{font:inherit}.en-app button{color:inherit;cursor:pointer;transition:background .15s,border-color .15s}.en-app button:focus-visible,.en-app a:focus-visible,.en-app input:focus-visible,.en-app .noun-probe:focus-visible{outline:3px solid #9c8ed2;outline-offset:4px}.en-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0 32px}.en-brand{display:flex;align-items:center;gap:10px;font-size:10px;font-weight:600;letter-spacing:1.8px;color:#7a9276}.en-brand-symbol{display:grid;place-items:center;width:27px;height:28px;background:#e4eddf;color:#59804b;border-radius:7px;font:italic 23px Georgia,serif;letter-spacing:0}.en-header h1{margin:15px 0 7px;font-size:clamp(25px,3.5vw,36px);font-weight:650;letter-spacing:-1px;line-height:1.45}.en-header h1>span{color:#80a968}.en-header p{margin:0;color:#69775f}.en-open{flex:none;display:inline-block;padding:8px 12px;color:#65765a;font-size:12px;border:1px solid #dce3d5;border-radius:8px;background:#ffffff85;text-decoration:none}.en-open:hover{background:#edf4e6}.en-workspace{display:grid;grid-template-columns:224px minmax(0,1fr);align-items:start;gap:24px}.en-controls{position:sticky;top:20px;padding:22px 16px;background:#fafcf6;border:1px solid #e0e6d9;border-radius:16px}.en-label{display:flex;align-items:center;gap:8px;color:#63785b;font-size:12px;font-weight:600}.en-label>span{font:10px monospace;color:#829c72;background:#eaf0e3;border-radius:4px;padding:3px 5px}.en-rules{display:grid;gap:9px;margin-top:18px}.en-rule{display:flex;align-items:center;gap:10px;width:100%;padding:10px 9px;text-align:left;border:1px solid #e3e8da;border-radius:10px;background:#fff}.en-rule-symbol{display:grid;place-items:center;width:30px;flex:none;color:#83976f;font:21px Georgia,serif}.en-rule strong{display:block;font-size:13px;font-weight:600}.en-rule small{display:block;margin-top:3px;color:#78896a;font-size:12px}.en-rule:hover{border-color:#a2bc88}.en-rule.is-active{background:#edf4e5;border-color:#93b278;box-shadow:0 3px #dae5cc}.en-side-note{color:#748564;font-size:12px;line-height:1.9;margin:24px 0 0;padding-top:18px;border-top:1px solid #e3e8da}.en-stage{min-width:0;border-radius:18px;background:#fff;border:1px solid #e2e8dc;padding:28px 30px 24px}.en-stage-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.en-kicker{color:#70885e;font-size:12px}.en-stage h2{font:600 clamp(25px,3vw,34px)/1.4 Georgia,"Times New Roman",serif;margin:5px 0 4px;overflow-wrap:anywhere}.en-stage-heading p{margin:0;color:#778668;font-size:13px}.en-change-pill{flex:none;background:#faefda;color:#99712c;border:1px solid #efe1c0;border-radius:7px;padding:5px 11px;font-size:12px}.en-word-label{margin-top:24px}.en-examples{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.en-examples button{border:1px solid #e1e7d8;border-radius:7px;background:#fff;padding:7px 13px;min-height:40px;font-size:13px}.en-examples button.is-active{background:#edf4e6;border-color:#a2bb89;color:#537540}.en-quantity{display:flex;align-items:center;gap:15px;margin:23px 0 20px;font-size:12px;color:#72835f}.en-quantity>div{display:flex;gap:7px}.en-quantity button{width:38px;height:36px;border:1px solid #e2e7da;border-radius:7px;background:#fff}.en-quantity button.is-active{color:#886125;border-color:#d9bb7f;background:#fcf2dc}.en-phrases{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr);align-items:center;gap:16px;padding:18px 0;margin-bottom:22px;border-top:1px solid #e9eee2;border-bottom:1px solid #e9eee2}.en-phrases small{display:block;color:#728362;font-size:11px}.en-phrases strong{display:block;font:600 21px/1.5 Georgia,Times New Roman,serif;color:#507449;margin:5px 0;overflow-wrap:anywhere}.en-phrases>div:last-child strong{color:#946d31}.en-phrases>div>span{color:#798969;font-size:12px}.en-phrase-arrow{color:#a8b796;font-size:24px}.en-morph{display:block;width:100%;height:398px}.en-legend{display:flex;justify-content:center;flex-wrap:wrap;gap:24px;color:#6d7d61;font-size:12px;margin-top:15px}.en-legend span{display:flex;align-items:center;gap:6px}.en-legend i{display:inline-block;width:8px;height:8px;border-radius:3px}.en-kept{background:#77a287}.en-removed{background:#cb8a9a}.en-added{background:#d9af62}.en-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:24px 0 20px}.en-steps button{display:flex;align-items:center;justify-content:center;gap:7px;background:#f9fbf6;border:1px solid #e3e9da;border-radius:9px;padding:10px 8px;min-height:44px}.en-steps button>span{color:#9bac88;font:11px monospace}.en-steps strong{font-size:13px;font-weight:500}.en-steps button.is-active{border-color:#b5a5d3;background:#f2edf8;color:#806598}.en-playback{display:flex;gap:10px;flex-wrap:wrap}.en-playback button{border-radius:8px;background:#fff;border:1px solid #dfe6d5;color:#637c50;min-height:44px;padding:9px 16px;font-size:13px}.en-playback .en-play{color:#fff;background:#759d53;border-color:#759d53;box-shadow:0 3px #527b36;min-width:125px;font-weight:600}.en-playback button:last-child{margin-left:auto}.en-scrubber{display:flex;align-items:center;gap:12px;margin:24px 0 20px;color:#79876b;font-size:12px}.en-scrubber input{flex:1;width:100%;min-width:20px;accent-color:#8974b7;height:22px;cursor:ew-resize}.en-scrubber output{min-width:34px;text-align:right;font-variant-numeric:tabular-nums}.en-scrubber>span{flex:none}.en-observation{display:flex;align-items:flex-start;gap:12px;background:#f4f0f9;padding:17px 18px;border-radius:10px;min-height:96px}.en-observation>span{color:#a798c5;font-size:19px;line-height:1.2}.en-observation strong{font-size:14px;font-weight:600;color:#705b92;overflow-wrap:anywhere}.en-observation p{font-size:13px;line-height:1.9;margin:5px 0 0;color:#766588}.en-export-status{font-size:12px;color:#6b7f58;margin:10px 0 0}.en-export-status:empty{display:none}.en-reading{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;margin-top:24px}.en-reading>section{min-width:0;padding:25px 27px;border:1px solid #e1e7d8;border-radius:14px;background:#fff}.en-section-label{color:#95a086;font-size:10px;letter-spacing:1.2px}.en-reading h3{font-size:15px;color:#627a50;margin:9px 0 20px;font-weight:600;line-height:1.8}.en-sentence-card p{font:19px/1.8 Georgia,Times New Roman,serif;margin:10px 0;padding:8px 13px;border-radius:7px;background:#f4f7ef;color:#617b50;overflow-wrap:anywhere}.en-sentence-card b{font-weight:600;border-bottom:2px solid #b6cc9c;color:#426733}.en-sentence-card small{display:block;color:#768867;font-size:12px;line-height:1.8;margin-top:16px}.en-reading .en-note-card{background:#faf8ee;border-color:#eae5d1}.en-note-card h3{color:#8d783f}.en-note-card p{color:#7a6d48;font-size:14px;line-height:2;margin:0}.en-footer{display:flex;align-items:baseline;justify-content:space-between;gap:20px;font-size:12px;color:#778569;padding:24px 0 0}.en-footer>span{flex:none}.en-footer p{margin:0}@media(max-width:850px){.en-workspace{grid-template-columns:195px minmax(0,1fr);gap:16px}.en-controls{padding:18px 12px}.en-rule{gap:6px;padding:10px 7px}.en-rule-symbol{width:24px}.en-stage{padding:22px 20px}.en-reading{gap:16px}.en-playback button:last-child{margin-left:0}.en-footer{display:block}.en-footer p{margin-top:7px}}@media(max-width:620px){.en-header{display:block;padding:8px 0 24px}.en-open{margin-top:15px}.en-workspace{grid-template-columns:minmax(0,1fr);gap:18px}.en-controls{position:static;padding:18px}.en-rules{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:14px}.en-rule{min-width:0;padding:10px 8px}.en-rule-symbol{display:none}.en-rule strong{font-size:12px}.en-rule small{font-size:11px;overflow-wrap:anywhere}.en-side-note{display:none}.en-stage{padding:21px 18px}.en-stage-heading{gap:8px}.en-phrases{gap:9px;grid-template-columns:minmax(0,1fr) 15px minmax(0,1fr)}.en-phrases strong{font-size:18px}.en-phrase-arrow{font-size:19px}.en-steps button{gap:4px;padding:9px 4px}.en-steps strong{font-size:12px}.en-steps button>span{font-size:10px}.en-playback{display:grid;grid-template-columns:1fr 1fr;gap:12px}.en-playback .en-play{min-width:0}.en-playback button{padding:9px 7px}.en-playback button:last-child{grid-column:1 / -1}.en-reading{grid-template-columns:minmax(0,1fr)}.en-reading>section{padding:23px 22px}}@media(prefers-reduced-motion:reduce){.en-app button{transition:none}}@media(max-width:400px){.en-phrases{grid-template-columns:minmax(0,1fr);gap:8px}.en-phrase-arrow{transform:rotate(90deg);justify-self:center}}.et-app{--et-green: #3d7957;--et-ink: #294636;--et-muted: #7f8d7a;max-width:1140px;margin:0 auto;color:var(--et-ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif;font-size:14px;line-height:1.6}.et-app *,.et-app *:before,.et-app *:after{box-sizing:border-box}.et-app button,.et-app input,.et-app select{font:inherit}.et-app button,.et-app select,.et-app summary{cursor:pointer}.et-app button{color:inherit}.et-app button:focus-visible,.et-app a:focus-visible,.et-app summary:focus-visible,.et-app select:focus-visible,.et-app input:focus-visible,.et-app .tense-probe:focus-visible{outline:3px solid #9c8ed2;outline-offset:4px}.et-app button{transition:background .16s,border-color .16s,box-shadow .16s}.et-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0 32px}.et-brand{display:flex;align-items:center;gap:10px;font-size:10px;letter-spacing:1.8px;font-weight:600;color:#7a9276}.et-brand-symbol{display:grid;place-items:center;width:27px;height:28px;background:#e4eddf;color:#59804b;border-radius:7px;font:italic 23px Georgia,serif;letter-spacing:0}.et-header h1{margin:15px 0 7px;color:#294636;font-size:clamp(25px,3.5vw,36px);font-weight:650;letter-spacing:-1.1px;line-height:1.45}.et-title-dot{color:#80a968;padding-left:3px}.et-header p{margin:0;color:#69775f;font-size:14px}.et-open{display:inline-block;flex:none;color:#75816c;font-size:12px;text-decoration:none;border:1px solid #dce3d5;border-radius:8px;padding:8px 12px;background:#ffffff85}.et-open:hover{background:#eef5e9;color:#477047}.et-workspace{display:grid;grid-template-columns:224px minmax(0,1fr);gap:24px;align-items:start}.et-controls{border:1px solid #e0e6d9;border-radius:16px;padding:24px 18px;background:#fafcf6;position:sticky;top:24px}.et-step-label{display:flex;align-items:center;gap:8px;color:#63785b;font-size:12px;font-weight:600;margin-bottom:18px}.et-step-label>span{color:#94a787;font:10px monospace;padding:3px 5px;background:#eaf0e3;border-radius:4px}.et-times{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.et-time-button{border:1px solid #e4e9dc;border-radius:9px;background:#fff;padding:10px 2px;min-height:63px}.et-time-button span{display:block;font-size:13px;font-weight:600}.et-time-button small{display:block;font-size:10px;letter-spacing:.3px;color:#718063;margin-top:3px}.et-time-button.is-active{background:#e9f1df;border-color:#8bac72;color:#49783c;box-shadow:0 3px #d0dfbf}.et-second-step{margin-top:32px}.et-aspects{display:grid;gap:10px}.et-aspect-button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:13px 9px;background:#fff;border:1px solid #e3e8da;border-radius:10px}.et-aspect-symbol{display:grid;place-items:center;flex:none;width:30px;height:34px;color:#9cab8a;font:21px Georgia,serif}.et-aspect-text strong{display:block;font-size:14px;font-weight:600}.et-aspect-text small{display:block;font-size:12px;color:#6c7b5e;margin-top:2px}.et-aspect-check{font-size:12px;margin-left:auto;visibility:hidden;color:#638c4e}.et-aspect-button.is-active{border-color:#93b278;background:#edf4e5;box-shadow:0 3px #dae5cc}.et-aspect-button.is-active .et-aspect-check{visibility:visible}.et-aspect-button.is-active .et-aspect-symbol{color:#698f4d}.et-control-note{display:flex;gap:8px;align-items:flex-start;margin-top:26px;padding-top:20px;border-top:1px solid #e4eadb;color:#6b7c5f;font-size:12px;line-height:1.9}.et-control-note>span{font-size:25px;line-height:1.1;color:#afbe9a}.et-control-note p{margin:0}.et-control-note strong{font-weight:500;color:#6c845b}.et-tags{display:flex;gap:6px;margin-top:18px}.et-tags>span{font-size:11px;padding:2px 7px;border-radius:4px;background:#eaf0e3;color:#647852}.et-stage{border-radius:18px;background:#fff;border:1px solid #e2e8dc;padding:28px 30px 26px;box-shadow:0 8px 26px #42623404;scroll-margin-top:20px}.et-stage-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.et-kicker{color:#7e9671;font-size:11px;letter-spacing:.8px}.et-stage h2{margin:4px 0 0;color:#2e4e3a;font-size:27px;font-weight:650;line-height:1.45}.et-reference-pill{background:#f8f0df;color:#896225;border:1px solid #f0e3c6;padding:5px 11px;border-radius:6px;font-size:12px;white-space:nowrap}.et-focus{color:#607454;font-size:14px;margin:9px 0 20px}.et-example{border-top:1px solid #edf0e7;border-bottom:1px solid #edf0e7;padding:19px 0;margin-bottom:23px}.et-sentence{font-family:Georgia,Times New Roman,serif;font-size:clamp(21px,2.7vw,29px);color:#385542;line-height:1.65;margin:0}.et-verb{color:#377848;background:#e8f2df;box-shadow:0 3px #d7e7c7;border-radius:4px;font-weight:600;box-decoration-break:clone;-webkit-box-decoration-break:clone}.et-translation{color:#6b7b60;font-size:14px;margin:9px 0 0}.et-chart-top{display:flex;justify-content:space-between;align-items:center;color:#6a8061;font-size:12px;font-weight:600;margin-bottom:12px}.et-drag-hint{color:#7c6d95;font-size:12px;font-weight:400}.et-timeline{display:block;width:100%;height:280px;overflow:visible}.et-legend{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:20px;font-size:12px;color:#627754;margin-top:14px}.et-legend>span{display:flex;align-items:center;gap:6px}.et-dot{width:7px;height:7px;border-radius:50%;display:inline-block}.et-green{background:#38936c}.et-violet{background:#8371c8}.et-dash{height:12px;border-left:2px dashed #b8852f;width:3px;display:inline-block}.et-summary{margin:16px 0 22px;color:#627954;font-size:13px;line-height:1.8}.et-playback{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.et-play,.et-reset,.et-export{border-radius:8px;padding:9px 14px;min-height:44px;font-size:13px!important;line-height:1.5}.et-play{background:#759d53;border:1px solid #759d53;color:#fff!important;box-shadow:0 3px #527b36;min-width:114px;font-weight:600!important}.et-play:hover{background:#86ab62}.et-reset{background:#fff;border:1px solid #e1e7d8;color:#63794f!important}.et-reset:hover,.et-export:hover{background:#f5f8ef}.et-speed{display:flex;align-items:center;gap:6px;font-size:12px;color:#6b7b5d;margin-left:auto}.et-speed select{border:1px solid #e5e9dd;background:#fff;border-radius:6px;padding:8px 5px;min-height:40px;color:#567547;font-size:12px}.et-export{color:#63794f!important;background:#fff;border:1px solid #e1e7d8;padding-left:10px;padding-right:10px}.et-scrubber{display:flex;align-items:center;gap:12px;margin:24px 0 20px;color:#6c7b5d;font-size:12px}.et-scrubber input{width:100%;flex:1;min-width:40px;accent-color:#8371c8;cursor:ew-resize;height:18px}.et-observation{display:flex;align-items:flex-start;gap:12px;background:#f4f1f9;padding:16px 18px;border-radius:10px;color:#8b7ea8;min-height:83px}.et-observation-icon{color:#a798c5;font-size:19px;line-height:1.1;padding-top:1px}.et-observation strong{color:#705b92;font-size:14px;font-weight:600}.et-observation p{margin:5px 0 0;font-size:13px;color:#766588;line-height:1.8}.et-export-status{font-size:12px;color:#637754;margin-top:8px}.et-export-status:empty{display:none}.et-reading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:22px;margin-top:25px}.et-formula-card,.et-note-card{border-radius:14px;border:1px solid #e3e8d9;padding:24px 27px;background:#fff;position:relative;overflow:hidden}.et-section-label{font-size:9px;letter-spacing:1.3px;color:#99a287}.et-reading h3{color:#637754;font-size:15px;font-weight:600;margin:6px 0 16px}.et-formula{padding:13px 16px;background:#f1f6e9;border-radius:7px;color:#56733e;font-size:14px;font-weight:500;line-height:1.8}.et-formula-card p,.et-formula-card small{color:#71805f;font-size:12px;line-height:1.8}.et-signals{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 9px}.et-signals span{padding:4px 9px;border-radius:5px;background:#f4f6ef;border:1px solid #e6ebdc;color:#637b48;font-size:12px}.et-note-card{background:#faf8ee;border-color:#eae5d1}.et-note-card h3{color:#9c8a58}.et-note-card .et-section-label{color:#b3a47e}.et-note-card p{color:#7a6d48;font-size:14px;line-height:2;max-width:95%;position:relative;z-index:1;margin:0}.et-note-mark{position:absolute;right:15px;bottom:-28px;font-size:110px;line-height:1;color:#eee8d3}.et-overview{border:1px solid #e1e7d8;border-radius:14px;margin-top:24px;padding:0 24px;background:#ffffff80}.et-overview summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 0;color:#71865e}.et-overview summary::-webkit-details-marker{display:none}.et-overview summary strong{display:block;font-size:13px;font-weight:500}.et-overview summary small{display:block;margin-top:3px;color:#72825e;font-size:12px}.et-overview summary>span:last-child{font-size:23px;color:#b1bea2}.et-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0 0 24px}.et-matrix-card{text-align:left;background:#fff;border:1px solid #e3e8db;border-radius:10px;padding:16px}.et-matrix-card:hover{border-color:#a9bf94;background:#f5f9ef}.et-matrix-card.is-active{background:#eef5e5;border-color:#a2bc89}.et-matrix-card strong{display:block;font-size:14px;font-weight:500;color:#56703f}.et-matrix-card span{display:block;font-size:12px;color:#697f52;margin:4px 0 8px}.et-matrix-card small{display:block;font-size:12px;color:#74835f;line-height:1.7}.et-footer{display:flex;justify-content:space-between;align-items:baseline;gap:25px;color:#778569;padding:23px 1px 0;font-size:12px}.et-footer>span{flex:none;color:#8da17c}.et-footer p{text-align:right;line-height:1.8;margin:0}@media(max-width:850px){.et-workspace{grid-template-columns:195px minmax(0,1fr);gap:16px}.et-controls{padding:20px 12px}.et-stage{padding:24px 20px}.et-playback{gap:8px}.et-speed{margin-left:0}.et-reading{gap:16px}.et-formula-card,.et-note-card{padding:22px}.et-footer{display:block}.et-footer p{text-align:left;margin-top:6px}}@media(max-width:620px){.et-header{display:block;padding:8px 0 24px}.et-open{margin-top:15px;font-size:12px}.et-workspace{grid-template-columns:minmax(0,1fr);gap:18px}.et-controls{position:static;padding:18px}.et-step-label{margin-bottom:12px}.et-time-button{min-height:50px;padding:6px}.et-times{gap:10px}.et-second-step{margin-top:20px}.et-aspects{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.et-aspect-button{padding:10px 8px;gap:6px}.et-aspect-check{display:none}.et-aspect-symbol{width:23px;font-size:19px}.et-control-note,.et-tags{display:none}.et-stage{padding:21px 18px}.et-stage h2{font-size:23px}.et-stage-heading{flex-wrap:wrap}.et-reference-pill{font-size:11px;padding:4px 7px}.et-timeline{height:260px}.et-playback{display:grid;grid-template-columns:1fr 1fr;gap:12px}.et-speed{justify-content:center}.et-legend{gap:13px;font-size:11px}.et-reading{grid-template-columns:minmax(0,1fr)}.et-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}.et-matrix-card{padding:12px}.et-overview{padding:0 18px}}@media(prefers-reduced-motion:reduce){.et-app button{transition:none}}.ec-app{max-width:1140px;margin:0 auto;color:#294636;font:14px/1.7 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.ec-app *,.ec-app *:before,.ec-app *:after{box-sizing:border-box}.ec-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:15px 0 26px}.ec-eyebrow{font-size:11px;color:#859872;letter-spacing:1.5px}.ec-header h1{margin:10px 0;font-size:clamp(26px,3.5vw,36px);line-height:1.5}.ec-header p{color:#6c805e;margin:0}@media(max-width:720px){.ec-header{display:block}}.ec-toolbar{background:#fff;padding:20px;border:1px solid #e0e7d6;border-radius:13px;margin-bottom:22px}.ec-groups{display:flex;flex-wrap:wrap;gap:8px}.ec-app button,.ec-app input{font:inherit}.ec-app button{cursor:pointer;background:#f9fbf5;color:#64804e;border:1px solid #dee6d3;border-radius:7px;padding:8px 12px;min-height:42px;font-size:13px}.ec-app button.is-active{background:#e9f1df;border-color:#a9c18e;color:#4c7437}.ec-app button:disabled{color:#a1ad93;cursor:default}.ec-app button:focus-visible,.ec-app input:focus-visible,.ec-app a:focus-visible{outline:3px solid #9c8ed2;outline-offset:3px}.ec-search-row{display:flex;align-items:center;gap:12px;margin-top:16px}.ec-search-row input{min-width:0;width:340px;padding:9px 12px;border:1px solid #dce5d2;border-radius:7px;color:#47663a;background:#fff}.ec-search-row>span{margin-left:auto;color:#7b8c6c;font-size:12px;white-space:nowrap}.ec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.ec-card{min-width:0;display:flex;flex-direction:column;border:1px solid #e0e7d7;border-radius:14px;background:#fff;padding:20px}.ec-card-label{color:#85986f;font-size:11px}.ec-card h2{margin:6px 0 0;font-size:20px;font-weight:600;line-height:1.5}.ec-card-subtitle{color:#80916d;font-size:12px;margin:4px 0 14px}.ec-example{font:18px/1.8 Georgia,Times New Roman,serif;color:#476b3f;margin:0 0 14px}.ec-emphasis{color:#9b7437;background:#fcf3e0;border-radius:3px}.ec-figure{display:block;width:100%;height:auto;margin-top:auto}.ec-explanation{color:#70845f;font-size:13px;line-height:1.9;margin:16px 0}.ec-card>a{color:#5c8246;font-size:12px;text-decoration:none;margin-top:auto;padding-top:12px;border-top:1px solid #e6ecdf}.ec-card>a:hover{text-decoration:underline}.ec-empty{background:#fff;border-radius:12px;color:#738960;padding:30px;text-align:center}.ec-empty:empty{display:none}@media(max-width:950px){.ec-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}@media(max-width:620px){.ec-grid{grid-template-columns:minmax(0,1fr)}.ec-toolbar{padding:16px}.ec-search-row{flex-wrap:wrap}.ec-search-row input{width:100%}.ec-search-row>span{margin-left:auto}}.em-app{max-width:1140px;margin:0 auto;color:#294636;font:14px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.em-app *,.em-app *:before,.em-app *:after{box-sizing:border-box}.em-app [hidden]{display:none!important}.em-app button{font:inherit;cursor:pointer}.em-app button:focus-visible,.em-app summary:focus-visible,.em-map-scroll:focus-visible,.em-place:focus-visible{outline:3px solid #9c8ed2;outline-offset:3px}.em-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:15px 0 26px}.em-eyebrow{color:#829470;font-size:11px;letter-spacing:2px}.em-header h1{margin:10px 0 8px;font-size:clamp(26px,3.5vw,36px);line-height:1.45;font-weight:650;letter-spacing:-1px}.em-header h1 span{color:#80a968}.em-header p{margin:0;color:#6c805e}.em-classroom{padding:22px;border:1px solid #dae4cf;border-radius:18px;background:#fffdf8;box-shadow:0 8px 32px #42513706}.em-classroom-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.em-classroom-title{color:#55724a;font-size:13px;font-weight:600}.em-app .em-fullscreen{min-height:38px;padding:6px 12px;border:1px solid #d4dfc9;border-radius:8px;background:#f5f8ef;color:#617e50;font-size:12px}.em-relation-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.em-relation-tabs button{min-height:70px;padding:11px 8px;border:1px solid #e0e6d8;border-top:3px solid var(--relation-color);border-radius:9px;color:#6c7768;background:#fff}.em-relation-tabs button strong{display:block;color:var(--relation-color);font-size:15px;font-weight:650}.em-relation-tabs button span{display:block;margin-top:5px;font-size:12px}.em-relation-tabs button.is-active{border-color:var(--relation-color);background:color-mix(in srgb,var(--relation-color) 8%,white);box-shadow:0 2px color-mix(in srgb,var(--relation-color) 25%,transparent)}.em-comparisons{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:14px 0 18px;color:#849077;font-size:12px}.em-comparisons>div{display:flex;flex-wrap:wrap;gap:8px}.em-comparisons button{min-height:36px;padding:6px 12px;border:1px solid #dee4d4;border-radius:20px;background:transparent;color:#6a7c5c;font-size:12px}.em-comparisons button[aria-pressed=true]{border-color:#9bae86;background:#edf3e4;color:#466a37}.em-map-scroll{overflow-x:auto;border:1px solid #dce5d3;border-radius:13px;scrollbar-width:thin;scrollbar-color:#bdcbb0 #eff4e9}.em-map{display:block;width:100%;height:auto;font-family:inherit}.em-place{cursor:pointer}.em-place .em-place-tile{transition:filter .15s}.em-place:hover .em-place-tile,.em-place:focus-visible .em-place-tile{filter:brightness(1.03);stroke:#718968}.em-map-caption{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 16px;min-height:46px;padding:4px 2px}.em-map-hint{color:#819273;font-size:11px}.em-map-caption .es-actions{margin:0}.em-map-caption .es-speak{min-height:32px;padding:3px 9px;font-size:11px}.em-scroll-hint{display:none}.em-learning{margin-top:8px}.em-comparison-title{margin:3px 0 14px;color:#59714a;font-size:16px;font-weight:600}.em-comparison-title:empty{display:none}.em-examples{display:grid;grid-template-columns:1fr;gap:14px}.em-examples.is-comparing{grid-template-columns:repeat(2,minmax(0,1fr))}.em-example{padding:16px 18px;border:1px solid #e0e6d8;border-left:4px solid var(--relation-color);border-radius:10px;background:#fff}.em-example-heading{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}.em-example h2{margin:0;color:var(--relation-color);font-size:18px;font-weight:650}.em-example-heading>span{color:#829077;font-size:12px}.em-sentence{margin:8px 0 5px;font-size:clamp(19px,2vw,24px);line-height:1.5}.em-emphasis{color:var(--relation-color);font-weight:650}.em-translation{margin:0;color:#75816d;font-size:13px}.em-example .es-actions{margin:9px 0}.em-key{margin:10px 0 2px;color:#4f6944;font-size:14px;font-weight:600}.em-hint{margin:0;color:#7c8773;font-size:12px}.em-display-status{color:#9d653e;font-size:12px}.em-display-status:empty{display:none}.em-speech-options{margin-top:18px;border-top:1px solid #e0e6d8}.em-speech-options summary{padding:14px 2px;color:#7a816e;font-size:12px;cursor:pointer}.em-speech-options .es-settings{margin-bottom:0}.em-quiz-heading{display:flex;justify-content:space-between;gap:12px;color:#517741;font-weight:600}.em-quiz-score{color:#869479;font-size:12px;font-weight:400}.em-progress{height:6px;margin:12px 0 20px;overflow:hidden;border-radius:6px;background:#e6eddc}.em-progress span{display:block;height:100%;border-radius:inherit;background:#85a962;transition:width .2s}.em-quiz{padding:6px 2px 0}.em-question-hint{margin:0;color:#809173;font-size:12px}.em-question{margin:9px 0 17px;font-size:clamp(20px,2.3vw,28px);font-weight:500;line-height:1.6}.em-question-blank{padding:1px 10px;color:#6c8b45;background:#f0f5e8;border-bottom:2px solid #a6bc8d;border-radius:4px;font-weight:650}.em-choices{display:flex;flex-wrap:wrap;gap:10px}.em-choices button,.em-result button{min-height:46px;padding:10px 22px;border:1px solid #d3ddc7;border-bottom-width:3px;border-radius:10px;color:#506d42;background:#fff;font-size:16px}.em-choices button:hover:enabled{background:#f2f6ec}.em-choices button.is-incorrect{border-color:#d9a38d;color:#a5674d;background:#fff4ee}.em-choices button.is-correct{border-color:#8faf70;color:#4d7539;background:#edf6e3}.em-choices button:disabled{cursor:default}.em-feedback{margin:14px 0 8px;color:#a5674d;font-size:14px}.em-feedback.is-correct{color:#597947}.em-feedback:empty{display:none}.em-app .em-next{min-height:44px;padding:9px 22px;border:1px solid #668c49;border-bottom-width:3px;border-radius:9px;background:#89a968;color:#fff}.em-result{padding:16px 10px;text-align:center}.em-result-mark{display:inline-grid;place-items:center;width:50px;height:50px;border-radius:50%;color:#668b46;background:#edf5e2;font-size:28px}.em-result h2{margin:12px 0;font-size:25px}.em-result p{color:#78876a}.em-result button{margin-top:8px}.em-classroom:fullscreen{display:flex;flex-direction:column;width:100%;height:100dvh;padding:18px max(22px,calc((100vw - 1480px)/2));border:0;border-radius:0;overflow-y:auto;background:#fffdf8}.em-classroom:fullscreen .em-classroom-bar{margin-bottom:10px}.em-classroom:fullscreen .em-map-scroll{flex:1 0 240px;min-height:240px}.em-classroom:fullscreen .em-map{width:100%;height:100%;min-height:240px}.em-classroom:fullscreen .em-example{padding:12px 16px}.em-classroom:fullscreen .em-example-heading,.em-classroom:fullscreen .em-hint{display:none}.em-classroom:fullscreen .em-sentence{margin-top:0}.em-classroom:fullscreen .em-example .es-actions{float:right;margin:0 0 0 12px}.em-classroom:fullscreen .em-key{margin-top:8px}.em-classroom:fullscreen .em-relation-tabs button{min-height:58px;padding:7px}.em-classroom:fullscreen .em-comparisons{margin:10px 0 12px}@media(max-width:720px){.em-header{display:block}.em-classroom{padding:15px}.em-relation-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.em-examples.is-comparing{grid-template-columns:1fr}.em-relation-tabs button strong{font-size:13px}.em-classroom:fullscreen{padding:12px}}@media(max-width:620px){.em-header{padding-bottom:22px}.em-map{min-width:680px}.em-scroll-hint{display:inline}.em-example{padding:13px}.em-example-heading{gap:3px 8px}.em-sentence{font-size:20px}.em-choices button{flex:1 1 100%}.em-comparisons{gap:7px}.em-comparisons>span{width:100%}.em-comparisons button{min-height:40px}.em-classroom:fullscreen .em-map{height:auto}}@media(max-width:380px){.em-classroom{padding:12px}.em-relation-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(prefers-reduced-motion:reduce){.em-place .em-place-tile,.em-progress span{transition:none}}.ep-app{max-width:1140px;margin:0 auto;color:#294636;font:14px/1.65 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.ep-app *,.ep-app *:before,.ep-app *:after{box-sizing:border-box}.ep-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:15px 0 26px}.ep-eyebrow{color:#819770;font-size:11px;letter-spacing:2px}.ep-header h1{margin:10px 0 8px;font-size:clamp(25px,3.2vw,36px);line-height:1.45;font-weight:650;letter-spacing:-1px}.ep-header h1 span{color:#84a96b}.ep-header p{margin:0;color:#78896c}.ep-workspace{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:start;gap:22px}.ep-board,.ep-study,.ep-pair-picker{padding:22px;border:1px solid #dce5d2;border-radius:15px;background:#fffef9}.ep-study{position:sticky;top:24px;min-width:0;scroll-margin-top:20px}.ep-filters,.ep-pair-tabs{display:flex;flex-wrap:wrap;gap:7px}.ep-app button{cursor:pointer;font:inherit}.ep-filters button,.ep-pair-tabs button,.ep-animation button{min-height:40px;padding:7px 12px;border:1px solid #dbe4d1;border-radius:8px;background:#fff;color:#728a5e;font-size:12px}.ep-filters button[aria-pressed=true],.ep-pair-tabs button[aria-pressed=true]{background:#eaf2e1;border-color:#b3c79c;color:#54753d}.ep-app button:focus-visible,.ep-app a:focus-visible,.ep-app summary:focus-visible,.ep-app input:focus-visible,.ep-sound-tile:focus-visible{outline:3px solid #a493cc;outline-offset:3px}.ep-board-hint{margin:16px 0 7px;color:#8a9b7c;font-size:11px}.ep-chart{display:block;width:100%;overflow:visible}.ep-chart-label{font-size:12px;font-weight:600}.ep-sound-tile{cursor:pointer}.ep-sound-tile:hover rect{stroke:#9bb77e}.ep-tile-symbol{font:27px Georgia,Times New Roman,serif}.ep-tile-word{font:11px system-ui,sans-serif;fill:#849078}.ep-sound-heading{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}.ep-current-symbol{color:var(--sound-color, #6f9251);font:52px/1.4 Georgia,Times New Roman,serif}.ep-group{display:inline-block;padding:2px 9px;border-radius:5px;background:#edf3e7;color:#6d8758;font-size:11px}.ep-sound-heading p{margin:5px 0 0;color:#8a997c;font-size:11px}.ep-recording-note{margin:0 0 10px;color:#8a9780;font-size:11px}.ep-mouth{margin:12px 0 0;color:#5d7151;line-height:1.9}.ep-diagram{display:block;width:100%;height:auto;margin-top:12px;overflow:visible}.ep-diagram-label{fill:#87967a;font:13px system-ui,sans-serif}.ep-animation{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}.ep-animation label{display:flex;align-items:center;gap:8px;color:#819274;font-size:11px}.ep-animation input{width:95px;accent-color:#8baa65}.ep-tip{margin:17px 0;padding:12px 14px;border-left:3px solid #c8b58d;border-radius:4px;background:#f7f2e8;color:#89734d;font-size:12px}.ep-word-title{margin:18px 0 10px;font-size:13px;font-weight:600;color:#6a805c}.ep-words{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ep-word{min-width:0;padding:12px;border:1px solid #e0e6d8;border-radius:9px;background:#fff}.ep-word strong{display:block;font:21px Georgia,serif;color:#557445}.ep-word [data-meaning]{display:block;color:#94a088;font-size:11px}.ep-word-ipa{margin:5px 0;color:#809170;font:16px Georgia,serif;overflow-wrap:anywhere}.ep-word .es-actions{margin:9px 0 0}.ep-word .es-speak{font-size:11px;padding:5px 8px}.ep-open-comparison{display:inline-block;margin-top:17px;color:#789258;font-size:12px;text-decoration:none}.ep-pair-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:20px}.ep-pair-grid .ep-study{position:static}.ep-pair-grid .ep-words{grid-template-columns:1fr}.ep-pair-tip{margin:18px 0;padding:13px 17px;color:#657e51;border-radius:9px;background:#eaf1e2}.ep-pair-tabs button{font:17px Georgia,serif;min-height:42px}.ep-settings{margin-top:20px;border-top:1px solid #e0e6d8}.ep-settings summary,.ep-footer summary{padding:14px 0;color:#849075;font-size:12px;cursor:pointer}.ep-footer{margin-top:22px;color:#8a977d;font-size:11px;line-height:1.9}.ep-credits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 20px}.ep-credits p{margin:0}.ep-credits a{color:#789263}@media(max-width:1100px)and (min-width:961px){.ep-workspace{grid-template-columns:1fr}.ep-study{position:static}}@media(max-width:820px){.ep-workspace,.ep-pair-grid{grid-template-columns:1fr}.ep-study{position:static}}@media(max-width:720px){.ep-header{display:block}}@media(max-width:480px){.ep-board,.ep-study,.ep-pair-picker{padding:15px}.ep-filters button{padding:7px 9px}.ep-credits,.ep-words{grid-template-columns:1fr}}.eg-app{color:#42563d;font:15px/1.8 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif;max-width:1140px;margin:0 auto}.eg-app,.eg-app *{box-sizing:border-box}.eg-app h1,.eg-app h2,.eg-app h3,.eg-app p{margin:0}.eg-app button,.eg-app a,.eg-app input,.eg-app summary{-webkit-tap-highlight-color:transparent}.eg-app button{font:inherit;cursor:pointer}.eg-app button:disabled{cursor:default;opacity:.5}.eg-app [hidden]{display:none!important}.eg-app a{color:#547841;text-decoration:none}.eg-app a:hover{color:#344f29}.eg-app button:focus-visible,.eg-app a:focus-visible,.eg-app summary:focus-visible,.eg-sentence-block:focus-visible{outline:3px solid #a493cc;outline-offset:3px}.eg-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:0 24px;margin:0 0 20px}.eg-header>div:first-child{display:contents}.eg-eyebrow{grid-row:1;grid-column:1;color:#82936f;font-size:10px;letter-spacing:2px;margin-bottom:9px}.eg-header h1{grid-row:2;grid-column:1;color:#486638;font-size:clamp(24px,2.7vw,34px);font-weight:600;line-height:1.4;letter-spacing:-.5px;overflow-wrap:anywhere}.eg-header p{grid-row:3;grid-column:1 / -1;margin-top:10px;color:#7b8b6d;font-size:13px;max-width:750px}.eg-header .el-header-actions{grid-row:2;grid-column:2;max-width:320px}.eg-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-bottom:22px;font-size:12px;color:#88957b}.eg-breadcrumb a{color:#6c8858}.eg-course-intro{border:1px solid #dce5d2;border-radius:16px;padding:28px;background:linear-gradient(110deg,#edf4e5,#fafcf6)}.eg-intro-message{font-size:16px;color:#557344}.eg-course-stats{display:flex;flex-wrap:wrap;gap:25px 45px;margin:22px 0}.eg-course-stats p{display:flex;flex-direction:column}.eg-course-stats strong{font:34px Georgia,serif;color:#698d50}.eg-course-stats span{margin-top:5px;font-size:12px;color:#7e9170}.eg-primary,.eg-secondary{border-radius:9px;border:1px solid #b3c69d;padding:10px 18px;font-size:13px;min-height:44px}.eg-primary,a.eg-primary{background:#67894e;color:#fff}.eg-primary:hover,a.eg-primary:hover{background:#56783e;color:#fff}.eg-secondary{background:#fff;color:#637f50}.eg-link-button{display:inline-flex;align-items:center;justify-content:center;margin:4px 8px 0 0}.eg-course-group{margin-top:34px}.eg-group-heading{display:grid;grid-template-columns:37px 1fr;align-items:center;gap:0 10px;margin-bottom:15px}.eg-group-heading>span{grid-row:span 2;color:#9eb687;font:26px Georgia,serif}.eg-group-heading h2{font-size:20px;font-weight:600}.eg-group-heading p{font-size:12px;color:#829075}.eg-lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.eg-lesson-card{display:flex;flex-direction:column;border:1px solid #dde5d4;border-radius:12px;padding:20px;background:#ffffffd9;transition:border-color .15s,background .15s}.eg-lesson-card:hover{border-color:#aebf9a;background:#f9fcf5}.eg-lesson-count{font-size:10px;color:#94a484;letter-spacing:1px}.eg-lesson-card h3{font-size:17px;font-weight:600;margin:7px 0}.eg-lesson-card p{color:#7c8b70;font-size:13px;margin-bottom:15px}.eg-card-footer{margin-top:auto;font-size:11px;color:#82996d}.eg-analogy{padding:20px 24px;background:#ecf2e3;border-left:4px solid #a8bf8c;border-radius:7px;color:#557145}.eg-diagram-section,.eg-section{margin-top:30px}.eg-diagram-section{padding:24px;border:1px solid #dbe3d2;border-radius:14px;background:#fffef9}.eg-section-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}.eg-section-number{display:block;color:#8a9e77;font-size:11px;letter-spacing:1px;margin-bottom:4px}.eg-app h2{font-size:21px;font-weight:600;color:#516c43}.eg-section-note{font-size:13px;color:#829075;margin:9px 0 16px!important}.eg-diagram-tools{display:flex;gap:8px;flex-wrap:wrap}.eg-diagram-tools button{border:1px solid #d4dfc9;border-radius:7px;padding:7px 11px;background:#f5f8ef;font-size:12px;color:#6c8656}.eg-diagram-tools button[data-find][aria-pressed=true]{background:#eee9f6;color:#796296;border-color:#c6b7da}.eg-sentence-diagram{display:block;width:100%;overflow:visible}.eg-sentence-block{cursor:pointer}.eg-sentence-block:hover rect{fill:#edf3e5}.eg-block-number{font:11px system-ui,sans-serif}.eg-block-english{fill:#42583a;font:19px Georgia,Times New Roman,serif}.eg-block-role{font:12px system-ui,sans-serif}.eg-diagram-feedback{min-height:48px;margin-top:4px!important;padding:10px 14px;border-radius:8px;background:#f1f5e9;color:#687e53;font-size:13px}.eg-explanations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-top:16px}.eg-explanations article{padding:21px 23px;background:#ffffffb8;border:1px solid #e0e6d9;border-radius:11px}.eg-explanations h3{font-size:16px;font-weight:600;color:#567441;margin-bottom:9px}.eg-explanations p{font-size:14px;color:#68785d;line-height:1.95}.eg-examples{border-top:1px solid #dce5d2;margin-top:17px}.eg-example{display:flex;gap:18px;padding:21px 4px;border-bottom:1px solid #e0e6d8}.eg-example-index{flex:0 0 24px;padding-top:5px;color:#9bae89;font:16px Georgia,serif}.eg-example-text{min-width:0}.eg-english{font:22px/1.55 Georgia,Times New Roman,serif;color:#435b37;overflow-wrap:anywhere}.eg-chinese{margin-top:5px!important;font-size:14px;color:#7a876e}.eg-example-note{display:inline-block;margin-top:8px!important;font-size:12px;color:#84724d;background:#f3efdf;border-radius:4px;padding:3px 8px}.eg-comparisons{display:grid;gap:16px;margin-top:16px}.eg-comparisons article{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid #dedfd8;border-radius:12px;background:#fff;overflow:hidden}.eg-language-side{padding:18px 23px;background:#f6f1e7}.eg-language-side.is-english{background:#eff4e8}.eg-language-label{display:block;color:#947f5a;font-size:11px;margin-bottom:6px}.is-english .eg-language-label{color:#7b9362}.eg-language-side p{font-size:16px}.eg-language-side p[lang=en]{font:21px/1.55 Georgia,serif;color:#4a6740}.eg-difference{grid-column:1 / -1;padding:14px 23px;font-size:13px;color:#747969;border-top:1px solid #e5e7dc}.eg-mistakes{display:grid;gap:13px;margin-top:16px}.eg-mistakes article{background:#fffdfa;border:1px solid #e6e0d4;border-radius:10px;padding:18px 22px}.eg-wrong{color:#ae6c5a;font-size:14px}.eg-correct{color:#5e8050;font-size:16px;margin-top:5px!important}.eg-mistake-reason{color:#88816d;font-size:13px;margin-top:9px!important}.eg-exercise-entry{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;margin-top:32px;padding:24px;background:#edf3e6;border:1px solid #d2dfc5;border-radius:12px}.eg-exercise-entry p{margin-top:4px;font-size:13px;color:#7f9170}.eg-lesson-navigation{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px 20px;margin:25px 0;font-size:12px}.eg-speech-settings{border-top:1px solid #dfe6d5;margin-top:30px}.eg-speech-settings summary{cursor:pointer;padding:12px 0;font-size:12px;color:#829274}.eg-footer{margin:20px 0 0;font-size:11px;color:#929e86}.eg-practice{padding:clamp(20px,3.5vw,40px);background:#fffef9;border:1px solid #dde5d4;border-radius:16px;max-width:850px;margin:0 auto}.eg-practice-progress{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:13px;color:#7e916c}.eg-practice-progress strong{font-weight:500}.eg-practice progress{width:100%;height:8px;display:block;margin:10px 0 26px;appearance:none;border:0;border-radius:8px;background:#eaf0e2}.eg-practice progress::-webkit-progress-bar{background:#eaf0e2;border-radius:8px}.eg-practice progress::-webkit-progress-value{background:#9cba77;border-radius:8px}.eg-practice progress::-moz-progress-bar{background:#9cba77;border-radius:8px}.eg-question-lesson{display:inline-block;font-size:12px;margin-bottom:13px;color:#819769!important}.eg-practice h2{font-size:24px;line-height:1.6;overflow-wrap:anywhere}.eg-choices{display:grid;gap:12px;margin:24px 0}.eg-choices button{display:flex;align-items:center;text-align:left;gap:15px;padding:15px 18px;min-height:58px;border-radius:10px;border:1px solid #d7e0cc;background:#fff;color:#526749;font-size:17px}.eg-choices button:hover:enabled{background:#f4f8ed;border-color:#aebf95}.eg-choice-letter{flex:0 0 29px;height:29px;border:1px solid #dae2cf;border-radius:6px;display:grid;place-items:center;font-size:13px;color:#8b9e76}.eg-choices button.is-correct{background:#edf5e3;border-color:#91b16b;color:#507b35;opacity:1}.eg-choices button.is-wrong{background:#fcf0e9;border-color:#d7ae91;color:#a57555}.eg-feedback{border-radius:8px;background:#f3f5ee;color:#83916e;font-size:14px;padding:15px 18px;min-height:58px}.eg-feedback.is-correct{background:#eaf3df;color:#5c7c41}.eg-feedback.is-wrong{background:#fcf2e5;color:#98724d}.eg-practice-actions{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:22px}.eg-result-score{font:52px Georgia,serif;color:#729150;margin:24px 0 12px!important}.eg-result-score+p{font-size:13px;color:#819174}.eg-review-list{padding-left:0;list-style:none;font-size:13px;margin:20px 0}.eg-review-list li{padding:9px 0;border-top:1px solid #e3e8da}.eg-review-list span{color:#86966e}.eg-back-to-study{display:block;margin:20px auto;max-width:850px;font-size:13px}@media(max-width:720px){.eg-header{display:block}.eg-header>div:first-child{display:block}.eg-header .el-header-actions{max-width:100%}.eg-explanations,.eg-lesson-grid,.eg-comparisons article{grid-template-columns:1fr}.eg-course-intro{padding:21px}.eg-diagram-section{padding:18px}.eg-english{font-size:20px}.eg-difference{grid-column:1}.eg-course-stats{gap:20px 25px}}@media(max-width:480px){.eg-example{gap:10px}.eg-analogy{padding:16px}.eg-explanations article{padding:18px}.eg-practice h2{font-size:21px}.eg-practice-actions>button{width:100%}.eg-language-side{padding:16px}.eg-course-stats strong{font-size:28px}.eg-course-stats span{font-size:11px}.eg-course-stats{gap:17px}.eg-diagram-tools{flex-direction:column;align-items:flex-start}}@media(prefers-reduced-motion:reduce){.eg-lesson-card{transition:none}}.english-lab-body{box-sizing:border-box;margin:0;padding:28px clamp(16px,2.5vw,44px) 40px;background:#f5f7f0;min-width:300px}.el-lab{--el-sidebar-width: 236px;display:grid;grid-template-columns:var(--el-sidebar-width) minmax(0,1fr);align-items:start;gap:28px;max-width:1580px;margin:0 auto;transition:grid-template-columns .2s,gap .2s}.el-content{min-width:0;grid-column:2;grid-row:1}.el-navigation{position:fixed;z-index:20;grid-column:1;top:28px;bottom:28px;width:var(--el-sidebar-width);display:flex;flex-direction:column;overflow:hidden;padding:24px 14px;border:1px solid #dee6d5;border-radius:16px;background:#fafcf7;color:#637857;font:13px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.el-navigation,.el-navigation *{box-sizing:border-box}.el-navigation-brand{display:flex;flex-shrink:0;align-items:center;gap:9px;margin:0 5px 32px}.el-brand-mark{display:grid;place-items:center;width:34px;height:36px;background:#e5eedc;border-radius:10px;color:#6d924e;font:italic 28px Georgia,serif}.el-navigation-brand strong{display:block;color:#526c3f;font-size:14px}.el-navigation-brand small{display:block;margin-top:3px;color:#8d9a80;font-size:8px;letter-spacing:.6px}.el-navigation-label{display:block;flex-shrink:0;margin:0 10px 10px;font-size:11px;color:#8a987d}.el-navigation-links{min-height:0;flex:1;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#b6c9a2 #eef3e7;scrollbar-gutter:stable}.el-navigation-links::-webkit-scrollbar{width:6px;height:6px}.el-navigation-links::-webkit-scrollbar-track{background:#eef3e7;border-radius:8px}.el-navigation-links::-webkit-scrollbar-thumb{background:#b6c9a2;border-radius:8px}.el-navigation-links::-webkit-scrollbar-thumb:hover{background:#92ae79}.el-menu-list,.el-menu-children{display:grid;gap:7px;margin:0;padding:0;list-style:none}.el-navigation [hidden]{display:none!important}.el-menu-row{display:flex;align-items:center;min-width:0;gap:2px}.el-navigation a{display:flex;flex:1;min-width:0;align-items:center;gap:8px;min-height:52px;padding:11px 10px;border:1px solid transparent;border-radius:9px;color:#728665;text-decoration:none}.el-navigation a:hover{background:#f1f6ea}.el-navigation a[aria-current=page]{background:#eaf2e1;border-color:#bad0a3;color:#4d7039}.el-navigation a:focus-visible,.el-navigation button:focus-visible,.el-menu-toggle:focus-visible,.el-version-links a:focus-visible{outline:3px solid #9c8ed2;outline-offset:2px}.el-navigation-index{flex:none;width:23px;text-align:center;font:17px Georgia,serif;color:#80986b}.el-menu-labels{display:block;min-width:0}.el-navigation-links strong{display:block;font-size:14px;font-weight:600;line-height:1.6;overflow-wrap:anywhere}.el-navigation-links small{display:block;color:#8a9a79;font-size:9px;line-height:1.6;margin-top:2px;overflow-wrap:anywhere}.el-branch-toggle,.el-group-toggle{border:0;border-radius:7px;color:#839971;background:transparent;cursor:pointer;font:inherit}.el-branch-toggle{display:grid;place-items:center;flex:0 0 28px;width:28px;height:40px;padding:0}.el-branch-toggle:hover,.el-group-toggle:hover{background:#eef4e7;color:#55733f}.el-branch-chevron{display:block;font:20px/1 Georgia,serif;transform:rotate(0)}[aria-expanded=true]>.el-branch-chevron{transform:rotate(90deg)}.el-group-toggle{display:flex;align-items:center;justify-content:space-between;gap:7px;width:100%;min-height:38px;padding:7px 9px;text-align:left;font-size:12px}.el-menu-children{margin:6px 0 9px 14px;padding-left:9px;border-left:1px solid #dde7d2;gap:3px}.el-menu-children .el-menu-children{margin-left:6px;padding-left:6px}.el-menu-children a{min-height:36px;padding:8px;border-radius:6px}.el-menu-children .el-menu-labels strong{font-size:12px;font-weight:400}.el-menu-item.is-active-branch>.el-menu-row>a{color:#50713c;background:#f0f5e9}.el-menu-item.is-active-branch>.el-menu-row>.el-group-toggle{color:#526e40;font-weight:600}.el-page-toolbar{display:flex;justify-content:flex-end;max-width:1140px;margin:0 auto 8px}.el-header-actions{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;flex:0 0 auto;gap:10px;max-width:42%}.el-header-actions .el-page-toolbar{max-width:100%;margin:0}.el-versions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px 12px;color:#7c8b72;font:12px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.el-version-label{font-size:11px}.el-version-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px;padding:4px;border:1px solid #dfe6d6;border-radius:11px;background:#ffffffb3}.el-version-links a{display:flex;align-items:center;justify-content:center;box-sizing:border-box;min-height:36px;padding:7px 12px;border:1px solid transparent;border-radius:7px;color:#738665;font-size:12px;text-decoration:none}.el-version-links a:hover{background:#f3f6ee}.el-version-links a[aria-current=true]{color:#775d90;background:#f2edf8;border-color:#c9b9dc}.el-fallback{margin:0 0 20px;padding:12px 16px;border:1px solid #eadfbe;border-radius:9px;background:#fbf6e9;color:#8d723e;font:13px/1.8 system-ui,sans-serif}.el-mobile-header,.el-nav-backdrop,.el-menu-close,.el-version-short{display:none}.el-collapse-toggle{display:flex;flex-shrink:0;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:38px;margin-top:20px;padding:7px 12px;border:1px solid #e0e7d8;border-radius:8px;background:#f7faf2;color:#7a8d68;font:12px system-ui,sans-serif;cursor:pointer}.el-collapse-toggle>span:last-child{font-size:21px;line-height:1}@media(max-width:1150px)and (min-width:961px){.el-lab{--el-sidebar-width: 212px;gap:20px}.el-navigation{padding:20px 10px}.el-navigation-brand{gap:6px;margin-left:0;margin-right:0}}@media(min-width:961px){.el-lab.is-sidebar-collapsed{--el-sidebar-width: 68px;gap:20px}.is-sidebar-collapsed>.el-navigation{padding:18px 8px}.is-sidebar-collapsed .el-navigation-brand{justify-content:center;margin:0 0 25px}.is-sidebar-collapsed .el-navigation-brand>span:not(.el-brand-mark),.is-sidebar-collapsed .el-navigation-label,.is-sidebar-collapsed .el-menu-labels,.is-sidebar-collapsed .el-collapse-label,.is-sidebar-collapsed .el-menu-children,.is-sidebar-collapsed .el-branch-toggle{display:none}.is-sidebar-collapsed .el-navigation a{justify-content:center;min-height:45px;padding:9px 4px}.is-sidebar-collapsed .el-navigation-index{width:auto;font-size:21px}.is-sidebar-collapsed .el-navigation-links{scrollbar-gutter:auto}.is-sidebar-collapsed .el-collapse-toggle{justify-content:center;padding:6px}}@media(max-width:480px){.el-version-name{display:none}.el-version-short{display:inline}.el-version-links a{min-height:40px;min-width:44px}}@media(max-width:720px){.el-header-actions{max-width:100%;align-items:flex-start;margin-top:18px}.el-header-actions .el-page-toolbar{align-self:flex-end}}@media(prefers-reduced-motion:reduce){.el-lab{transition:none}}@media(max-width:960px){.english-lab-body{padding:16px 16px 28px}.el-lab{display:block}.el-mobile-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px;color:#7a8a6b;font:12px/1.5 system-ui,sans-serif}.el-menu-toggle{min-height:42px;padding:8px 12px;border:1px solid #cfdbc4;border-radius:9px;background:#fff;color:#55743e;font:inherit;font-size:13px;cursor:pointer}.el-navigation{display:none;z-index:101;top:12px;bottom:12px;left:12px;width:min(288px,calc(100vw - 44px));padding:25px 16px;background:#fafcf6;box-shadow:8px 0 40px #253a3333}.el-navigation-brand{margin-right:25px}.el-collapse-toggle{display:none}.el-menu-close{display:block;position:absolute;top:10px;right:8px;width:36px;height:36px;border:0;border-radius:8px;background:transparent;color:#6c805a;cursor:pointer;font-size:24px}.is-menu-open>.el-navigation{display:flex}.is-menu-open>.el-nav-backdrop{display:block;position:fixed;z-index:100;inset:0;border:0;background:#21362b66;touch-action:none}}