.lesson58{color:#182636;font-size:16px;line-height:1.65;margin:-18px -10px 0;--lc-line:#e1e7ed;--lc-teal:#078d86}.lesson58 *{box-sizing:border-box}.lesson58 button,.lesson58 input,.lesson58 textarea,.lesson58 select{font:inherit}.lesson58 button{cursor:pointer}.lesson58 [hidden]{display:none!important}.lesson58 svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.lesson58 a{color:inherit}.lesson58 button{border:0;background:transparent;color:inherit}.lc-breadcrumb{display:flex;gap:16px;align-items:center;color:#526976;font-size:15px;margin:0 0 18px}.lc-breadcrumb i{font-style:normal;color:#a0aab5}.lc-breadcrumb strong{color:#394556;font-weight:500}.lc-top{display:grid;grid-template-columns:minmax(0,2.05fr) minmax(330px,1fr);gap:14px}.lc-panel{background:#fff;border:1px solid var(--lc-line);border-radius:7px;min-width:0}.lc-video{min-width:0;border-radius:6px;overflow:hidden;position:relative;background:#152126;border:6px solid #142025}.lc-slide{aspect-ratio:2.07;background:radial-gradient(ellipse at 45% 20%,#fff 0,#f0f5f7 75%,#dde8e8);position:relative;padding:62px 8% 55px;overflow:hidden}.lc-slide-brand{position:absolute;right:32px;top:22px;color:#407773;font-weight:700;font-size:14px;letter-spacing:1px}.lc-slide-brand small{display:block;font-size:10px;font-weight:400;color:#8a9fa2}.lc-subject{font-size:14px;color:#4b5969;display:flex;align-items:center;gap:9px}.lc-subject i{width:30px;height:6px;border-radius:8px;background:#2d9c92}.lc-slide h2{font-size:43px;line-height:1.3;color:#142134;margin:10px 0 36px;letter-spacing:1px}.lc-diagram{display:flex;align-items:center;gap:12px}.lc-diagram>div{border-radius:11px;flex:1;text-align:center;background:#d1e9e5;padding:23px 8px 18px;min-width:0}.lc-diagram>div:nth-of-type(2){background:#d6e5f4}.lc-diagram>div:nth-of-type(3){background:#f0e6d1}.lc-diagram b{display:block;font-size:26px;color:#14283b;margin-bottom:2px}.lc-diagram span{display:block;font-size:17px;color:#73878d;line-height:1.5}.lc-diagram i{font-size:28px;font-style:normal;color:#677f88}.lc-books{position:absolute;bottom:0;left:0;transform:rotate(-1deg);width:150px;opacity:.55}.lc-books span{display:block;background:#e1e5e2;border:1px solid #82948f;border-left:18px solid #23423c;padding:0 12px;font-size:12px;height:20px}.lc-books span+span{background:#4f635d;color:#fff;width:170px}.lc-scale{position:absolute;bottom:0;right:-8px;width:100px!important;height:115px!important;color:#99adaf;opacity:.6}.lc-controls{height:48px;display:flex;align-items:center;gap:18px;padding:0 15px;background:#2d3438;color:white;font-size:14px;margin:0}.lc-controls button{display:flex;align-items:center;color:#fff;padding:0}.lc-controls button:first-child svg{fill:white;stroke:none}.lc-controls>span{white-space:nowrap;color:#c9ced0}.lc-controls b{font-weight:400;color:#fff}.lc-controls input[type=range]{min-width:20px;flex:1;width:100px;accent-color:#169e97;height:5px}.lc-controls select{background:transparent;border:0;color:white;width:62px;outline-offset:3px}.lc-controls select option{background:#2d3438}.lc-save-strip{display:flex;align-items:center;gap:14px;background:#fff;color:#526976;font-size:11px;padding:3px 10px}.lc-save-strip button{color:#056f74;border-bottom:1px solid #82aaa6}.lc-save-strip>span{margin-left:auto}.lc-tabs{display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--lc-line);padding:0 26px;height:66px}.lc-tabs button,.lc-tabs>a{font-size:18px;font-weight:500;height:100%;display:flex;align-items:center;position:relative;white-space:nowrap;padding:0}.lc-tabs .active{font-weight:700;color:#056f74}.lc-tabs .active:after{content:"";height:3px;position:absolute;bottom:0;left:0;right:0;background:#07988c;border-radius:5px}.lc-directory .lc-tabs{gap:40px}.lc-directory [data-panel=catalog]{padding:12px 7px}.lc-lesson{display:flex;align-items:center;width:100%;padding:16px 18px;gap:13px;text-align:left;border-radius:5px;white-space:nowrap;font-size:16px!important}.lc-play-dot{display:grid;place-items:center;width:24px;height:24px;border:1.5px solid #657283;border-radius:50%;flex-shrink:0}.lc-play-dot svg{width:12px;height:12px;fill:currentColor;stroke:none;margin-left:2px}.lc-lesson time{margin-left:auto;color:#8e9aaa;font-size:14px}.lc-lesson.selected{background:#e1f3f1;color:#056f74}.lc-lesson.selected .lc-play-dot{background:#078a81;border-color:#078a81;color:white}.lc-lesson.selected time{color:#259c95}.lc-files{padding:18px}.lc-files button{display:flex;width:100%;padding:15px 5px;gap:10px;border-bottom:1px solid var(--lc-line);text-align:left}.lc-files b{margin-left:auto;color:var(--lc-teal)}.lc-files output{font-size:13px;color:#8b6c3a}.lc-lower{margin-top:24px}.lc-save-state{margin-left:auto;color:#078b81;font-size:16px;white-space:nowrap}.lc-save-state span{color:#526976;font-size:14px}.lc-handout-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(290px,1fr);gap:36px;padding:19px 30px 24px}.lc-handout h2{font-size:22px;line-height:1.5;margin:0 0 6px}.lc-handout h3{font-size:18px;line-height:1.5;margin:8px 0 0}.lc-handout ul{margin:0;padding-left:35px;font-size:17px;line-height:1.75}.lc-text-tools{display:flex;justify-content:flex-end;align-items:center;gap:24px;margin:-3px 0 16px}.lc-text-tools>button{font-size:18px;color:#58677c;min-width:20px;padding:0}.lc-text-tools .lc-mark{display:flex;align-items:center;gap:9px;padding:14px 22px;border-radius:6px;background:#e6f5f3;color:#07847c;font-size:16px;white-space:nowrap}.lc-text-tools .lc-mark.active{background:#07887f;color:#fff}.lc-tip{background:#edf8f6;padding:21px 20px;border-radius:7px;display:flex;gap:14px;color:#087e78}.lc-tip svg{flex-shrink:0;margin-top:4px}.lc-tip h3{margin:0;font-size:18px}.lc-tip p{margin:10px 0 0;color:#526976;font-size:16px}.lc-note-editor,.lc-exercise{padding:24px 30px}.lc-note-editor h3,.lc-exercise h2{margin-top:0}.lc-note-editor textarea{width:100%;min-height:140px;border:1px solid #d6e2e7;border-radius:7px;padding:14px;resize:vertical}.lc-note-editor form>div{display:flex;align-items:center;gap:16px;margin-top:12px}.lc-note-editor form>div>span{color:#8a95a2;font-size:14px;margin-right:auto}.lc-note-editor button,.lc-exercise button{background:#078e85;color:#fff;padding:10px 20px;border-radius:6px}.lc-saved-note{display:flex;gap:20px;padding:18px 0;border-top:1px solid var(--lc-line);margin-top:20px}.lc-saved-note b{color:#07948b}.lc-saved-note p{margin:0;white-space:pre-wrap}.lc-exercise label{display:block;padding:8px 0}.lc-exercise button{margin-top:15px}.lc-question-page h1{font-size:38px;line-height:1.3;margin:12px 0 23px}.lc-qa-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1fr);gap:18px}.lc-source{padding:24px 18px}.lc-source .lc-video{border:0}.lc-slide-compact{aspect-ratio:2.3;padding:55px 32px 40px;background:linear-gradient(110deg,#dce5e3,#f0f5f3 63%,#bccac4)}.lc-slide-compact .lc-subject,.lc-slide-compact .lc-slide-brand{display:none}.lc-slide-compact h2{font-size:24px;color:#284c4e;margin:0 0 40px}.lc-slide-compact h2:after{content:"";display:block;width:70px;height:3px;background:#137e77;position:relative;top:16px}.lc-compact-caption{font-size:22px;color:#43656a;margin:0}.lc-slide-compact .lc-books{left:auto;right:0;width:170px;bottom:0;opacity:.85}.lc-slide-compact .lc-scale{display:none}.lc-large-play{position:absolute;top:46%;left:50%;width:70px;height:70px;border-radius:50%;background:#293434a3!important;color:#fff!important;display:grid;place-items:center;transform:translate(-50%,-15%)}.lc-large-play svg{fill:white;stroke:none;width:36px;height:36px;margin-left:5px}.lc-source .lc-controls{gap:12px;padding:0 12px}.lc-transcript>strong{display:inline-block;margin:16px 0 4px;padding:3px 15px;background:#dff4f2;color:#067d79;border-radius:4px;font-size:16px}.lc-transcript>button{display:grid;grid-template-columns:63px 1fr;gap:12px;width:100%;padding:14px;text-align:left;font-size:16px;line-height:1.75;border-radius:4px}.lc-transcript time{color:#8a95a7}.lc-transcript .on{background:#edf8f7}.lc-transcript .on time{color:#008f85}.lc-conversation{padding:24px 29px 26px}.lc-conversation h2{font-size:var(--yk-type-section);margin:0 0 24px}.lc-message{display:grid;grid-template-columns:52px 1fr;gap:18px;margin-bottom:26px}.lc-avatar{height:52px;width:52px;border-radius:50%;background:#dceaf9;color:#5f83a1;display:grid;place-items:center;font-size:20px;font-weight:700}.assistant .lc-avatar{background:#e1f6f2;color:#047d70;font-size:30px}.lc-message label{display:block;font-size:15px;margin:0 0 5px}.lc-message label small{float:right;color:#8d99a7;font-weight:400}.lc-message p{margin:0;padding:13px 17px;background:#f4f6f8;border-radius:10px;line-height:1.85;font-size:16px}.assistant p{background:#edf8f8}.lc-evidence{display:flex;gap:40px;padding:10px 14px;color:#078a82}.lc-evidence a{text-decoration:underline}.lc-evidence button{padding:0}.lc-evidence-panel{background:#f5f8f9;padding:14px;font-size:14px}.lc-question-form{display:flex;gap:10px;margin-top:25px}.lc-question-form input{min-width:0;flex:1;padding:13px 15px;border:1px solid #d7e0e7;border-radius:6px}.lc-question-form button{background:#008d87;color:#fff;padding:13px 24px;border-radius:6px;white-space:nowrap}.lc-local-notice{font-size:14px;color:#8d99a8;margin:13px 0 0}.lc-question-status{font-size:13px;color:#9a6b32}
@media(max-width:1250px){.lc-lesson{font-size:14px!important;padding:16px 10px;gap:8px}.lc-top{grid-template-columns:minmax(0,1.8fr) minmax(310px,1fr)}.lc-slide{padding:45px 7%}.lc-slide h2{font-size:34px;margin-bottom:25px}.lc-diagram b{font-size:22px}.lc-diagram span{font-size:14px}.lc-conversation{padding:20px}.lc-message{gap:10px}.lc-handout-layout{grid-template-columns:minmax(0,1.5fr) minmax(290px,1fr)}}
@media(max-width:1000px){.lesson58{margin:0}.lc-top{grid-template-columns:1fr}.lc-directory [data-panel=catalog]{display:grid;grid-template-columns:1fr 1fr}.lc-lesson{font-size:15px!important}.lc-slide{padding:55px 8%}.lc-slide h2{font-size:40px}.lc-diagram span{font-size:17px}.lc-diagram b{font-size:26px}.lc-qa-layout{grid-template-columns:1fr 1fr}.lc-message{grid-template-columns:32px 1fr}.lc-avatar{width:32px;height:32px;font-size:15px}.lc-conversation h2{font-size:var(--yk-type-section)}.lc-source{padding:14px}.lc-message p{font-size:14px}.lc-transcript>button{font-size:14px;padding:10px;grid-template-columns:45px 1fr}.lc-question-form{flex-wrap:wrap}.lc-question-form button{width:100%}.lc-slide-compact{padding:30px 25px}.lc-slide-compact h2{font-size:22px}.lc-controls{gap:10px}}
@media(max-width:650px){.lc-breadcrumb{font-size:13px;gap:10px;margin-bottom:12px}.lc-video{border-width:3px}.lc-slide{padding:29px 7% 40px;aspect-ratio:1.78}.lc-slide-brand{top:9px;right:12px;font-size:10px}.lc-slide-brand small{display:none}.lc-subject{font-size:10px;gap:5px}.lc-subject i{width:16px;height:4px}.lc-slide h2{font-size:24px;margin:7px 0 20px}.lc-diagram{gap:6px}.lc-diagram>div{padding:13px 4px;border-radius:7px}.lc-diagram b{font-size:16px}.lc-diagram span{font-size:10px}.lc-diagram i{font-size:16px}.lc-books{width:85px}.lc-books span{height:12px;font-size:7px;border-left-width:10px;padding:0 3px}.lc-books span+span{width:100px}.lc-scale{width:47px!important;height:62px!important}.lc-controls{height:42px;gap:8px;padding:0 8px;font-size:10px}.lc-controls select{width:47px;font-size:11px}.lc-controls svg{width:17px;height:17px}.lc-controls [data-mute]{display:none}.lc-save-strip{font-size:9px;gap:4px;flex-wrap:wrap}.lc-save-strip>span{margin:0}.lc-tabs{height:55px;padding:0 16px;gap:25px;overflow-x:auto}.lc-tabs button,.lc-tabs>a{font-size:16px}.lc-save-state{display:none}.lc-directory [data-panel=catalog]{display:block;padding:7px}.lc-lesson{padding:12px 10px;font-size:14px!important}.lc-lesson time{font-size:12px}.lc-handout-layout{display:flex;flex-direction:column-reverse;gap:18px;padding:18px}.lc-text-tools{margin:0;justify-content:space-between;gap:15px}.lc-text-tools .lc-mark{padding:9px 14px;font-size:14px}.lc-tip{display:none}.lc-handout h2{font-size:20px}.lc-handout h3{font-size:16px}.lc-handout ul{font-size:15px;padding-left:25px}.lc-lower{margin-top:16px}.lc-note-editor,.lc-exercise{padding:18px}.lc-note-editor form>div{flex-wrap:wrap}.lc-question-page h1{font-size:26px;margin:12px 0 20px}.lc-qa-layout{grid-template-columns:1fr}.lc-source{padding:14px}.lc-slide-compact{padding:32px 20px 40px;aspect-ratio:1.9}.lc-slide-compact h2{font-size:20px;margin-bottom:28px}.lc-compact-caption{font-size:16px}.lc-large-play{width:45px;height:45px;top:50%}.lc-large-play svg{width:26px;height:26px}.lc-source .lc-controls{padding:0 7px;gap:7px}.lc-transcript>button{font-size:14px;grid-template-columns:40px 1fr;gap:8px}.lc-conversation{padding:20px 16px}.lc-conversation h2{font-size:var(--yk-type-section)}.lc-message{grid-template-columns:32px 1fr;gap:10px}.lc-message label{font-size:13px}.lc-message label small{font-size:11px}.lc-message p{padding:10px 13px;font-size:14px}.lc-evidence{font-size:13px;gap:15px;padding:9px 0}.lc-question-form{flex-wrap:nowrap}.lc-question-form input{font-size:14px;padding:12px}.lc-question-form button{width:auto;font-size:14px;padding:12px}.lc-local-notice{font-size:12px}}
/* 05/06 本讲延伸与资料入口（新增，均携带 lid + 当前进度 at）。 */
.lc-links{margin-top:18px;padding-top:14px;border-top:1px solid var(--lc-line)}
.lc-links h3{margin:0 0 6px;font-size:17px}
.lc-links a{display:flex;align-items:center;gap:8px;padding:9px 0;font-size:15px;color:#077d76;border-bottom:1px dashed #e7edf1}
.lc-links a:last-of-type{border-bottom:0}
.lc-links a:after{content:"";display:inline-block;width:7px;height:7px;border-right:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg);margin-left:auto}
.lc-files a.lc-file-link{display:flex;width:100%;padding:15px 5px;gap:10px;border-bottom:1px solid var(--lc-line);color:#077d76;text-decoration:none}
.lc-files a.lc-file-link>b{margin-left:auto;color:var(--lc-teal)}
.lc-note-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px}
.lc-note-all{font-size:14px;color:#077d76;white-space:nowrap}
.lc-links a:focus-visible,.lc-files a.lc-file-link:focus-visible,.lc-note-all:focus-visible{outline:3px solid #4ba9d1;outline-offset:3px;border-radius:4px}
@media(max-width:650px){.lc-links a{font-size:14px}.lc-note-head{flex-wrap:wrap;gap:6px}}

/* P2-1: script-driven lesson video */
.lc-video-track{position:relative;min-height:220px;background:#0f2b33;border-radius:10px;overflow:hidden;color:#e8f4f2;}
.lc-video-section{display:none;padding:26px 30px 18px;min-height:200px;flex-direction:column;gap:12px;}
.lc-video-section.active{display:flex;}
.lc-video-section.done{display:none;}
.lc-video-idx{display:inline-block;font-size:12px;color:#7fd4c9;letter-spacing:2px;margin-bottom:6px;}
.lc-video-caption p{margin:0;font-size:20px;line-height:1.7;font-weight:600;}
.lc-video-board{margin:6px 0 0;padding:12px 16px;list-style:none;background:rgba(25,149,142,.12);border-left:3px solid #19958e;border-radius:6px;display:flex;flex-wrap:wrap;gap:8px 22px;}
.lc-video-board li{font-size:14px;color:#bfe8e3;}
.lc-video-board li::before{content:"▸ ";color:#7fd4c9;}
.lc-video-final{display:none;align-items:center;justify-content:center;flex-direction:column;gap:8px;min-height:200px;}
.lc-video-final b{font-size:24px;}

/* P2: 课件 iframe 容器（16:9 自适应，与外层播放器对齐） */
.lc-video-embed{position:relative;width:100%;padding-top:56.25%;background:#0f2b33;border-radius:10px;overflow:hidden;box-shadow:0 8px 24px rgba(15,43,51,.18)}
.lc-video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}

/* P2: 真实字幕列表 */
.lc-subtitles{margin-top:14px}
.lc-transcript{border:1px solid #DCD6C8;border-radius:10px;padding:14px 16px;background:#FDFCF9;max-height:320px;overflow:auto}
.lc-transcript strong{display:block;font-size:15px;color:#1B3A5C;margin-bottom:10px}
.lc-transcript button{display:flex;gap:12px;width:100%;text-align:left;border:0;background:transparent;padding:7px 8px;border-radius:8px;cursor:pointer;font:inherit}
.lc-transcript button:hover,.lc-transcript button.on{background:#E2EFDA}
.lc-transcript time{flex:0 0 52px;color:#B8933F;font-variant-numeric:tabular-nums}
.lc-transcript span{color:#1B3A5C;line-height:1.6}

/* 05/06 local shell geometry. Does not style any route without .lesson58. */
body:has(.lesson58)>header{height:78px;padding:0 32px}
body:has(.lesson58)>header .brand{font-size:28px;gap:18px}
body:has(.lesson58)>header .brand b{display:flex;align-items:center}
body:has(.lesson58)>header svg,body:has(.lesson58)>aside svg,body:has(.lesson58)>.mobile svg{display:block}
body:has(.lesson58)>aside{width:222px;padding:22px 11px;top:78px}
body:has(.lesson58)>aside nav{gap:8px}
body:has(.lesson58)>aside nav a{padding:13px 20px;gap:19px;font-size:20px;height:56px;border-radius:8px}
body:has(.lesson58)>aside nav a b{display:flex;align-items:center}
body:has(.lesson58)>main{margin-left:222px;padding:24px 28px 70px;max-width:none}
body:has(.lesson58) .lesson58{margin:0}
body:has(.lesson58) .lc-save-strip{position:absolute;bottom:49px;left:0;right:0;background:#ffffffa6;padding:2px 10px;min-height:19px}
body:has(.lesson58) .lc-progress-output{position:absolute;left:118px;bottom:49px;font-size:11px;color:#167b72;z-index:1}
body:has(.lesson58) .lc-question-page .lc-progress-output{bottom:49px;left:10px;background:#fff}
body:has(.lesson58) .lc-lower{margin-top:24px}
body:has(.lc-question-page)>aside{width:230px}
body:has(.lc-question-page)>main{margin-left:230px;padding:29px 32px 60px}
body:has(.lc-question-page) .lc-breadcrumb{font-size:17px;margin-bottom:12px}
body:has(.lc-question-page) .lc-question-page h1{font-size:38px;margin-top:11px;margin-bottom:23px}
body:has(.lesson58) .lc-controls input[type=range]{appearance:none;background:linear-gradient(to right,#19958e 0 44%,#7e878e 44%);border-radius:5px;height:6px}
body:has(.lesson58) .lc-controls input[type=range]::-webkit-slider-thumb{appearance:none;width:15px;height:15px;background:#f5ffff;border-radius:50%;border:1px solid #b4d9d8}
body:has(.lesson58) .lc-source .lc-controls input[type=range]{height:5px}
body:has(.lesson58) .lc-text-tools .lc-mark svg{width:17px;height:20px}
body:has(.lesson58) .lc-lesson{padding-top:16px;padding-bottom:16px}
@media(min-width:1251px){body:has(.lesson58) .lc-lesson{font-size:17px!important}}
body:has(.lesson58) .lc-lower .lc-tabs{gap:43px}
body:has(.lesson58) .lc-lower .lc-tabs [data-tab=notes]{margin-left:auto;font-size:14px;color:#526976}
body:has(.lesson58) .lc-save-state{margin-left:0}
body:has(.lesson58) .lc-message p{font-size:17px;line-height:1.8}
body:has(.lesson58) .lc-transcript>button{font-size:17px}
/* Round 5: reference-driven visual redteam fixes. */
body:has(.lesson58) .lc-lower .lc-tabs>[data-tab=handout]{min-width:63px;justify-content:center}
body:has(.lesson58) .lc-lower .lc-tabs>[data-tab=handout].active:after{left:0;right:0}
body:has(.lesson58) .lc-handout-layout{grid-template-columns:minmax(0,1fr) 390px}
body:has(.lesson58) .lc-tip h3{font-size:20px}
body:has(.lesson58) .lc-tip p{font-size:18px;line-height:1.55}
body:has(.lesson58) .lc-transcript>button{font-size:18px;line-height:1.7}
body:has(.lesson58) .lc-transcript .on time{position:relative;padding-left:12px}
body:has(.lesson58) .lc-transcript .on time:before{content:"";position:absolute;left:-10px;top:8px;border-left:10px solid #008c82;border-top:8px solid transparent;border-bottom:8px solid transparent}
body:has(.lesson58) .lc-message p{font-size:18px;line-height:1.72}
body:has(.lesson58) .lc-sprout{width:31px;height:31px;color:#075a53}
body:has(.lesson58) .lc-books{width:163px;opacity:.8;filter:drop-shadow(2px 4px 3px #1c373640);z-index:1}
body:has(.lesson58) .lc-books span{height:21px;background:repeating-linear-gradient(0deg,#dce3df 0 1px,#f5f7f4 2px 3px);border:1px solid #9fafaa;border-left:23px solid #59736b;color:#65756e;font-family:Georgia,serif;font-size:13px;padding-left:8px;text-shadow:0 1px white}
body:has(.lesson58) .lc-books span+span{width:185px;background:linear-gradient(90deg,#365449,#6c8177 85%,#ced8d2);color:#eef2e9;border-left:12px solid #1d3e32;text-shadow:none}
body:has(.lesson58) .lc-books:before{content:"";display:block;height:15px;width:140px;margin-left:9px;background:repeating-linear-gradient(0deg,#cdd5d1 0 1px,#ecf0ec 2px 3px);border:1px solid #9daa9f;border-left:9px solid #587669;transform:translateY(1px) rotate(2deg)}
body:has(.lesson58) .lc-plant{position:absolute;left:-27px;bottom:23px;width:100px;height:160px;filter:blur(2px);opacity:.5}
body:has(.lesson58) .lc-scale{stroke-width:1.2;color:#7c9392;filter:drop-shadow(3px 2px 1px #758a8340)}
body:has(.lesson58) .lc-slide-compact .lc-plant{left:auto;right:-18px;top:-32px;bottom:auto;width:125px;height:210px;filter:blur(5px);opacity:.6}
body:has(.lesson58) .lc-slide-compact .lc-books{width:195px;transform:rotate(3deg);bottom:3px;right:-12px;left:auto}
body:has(.lesson58) .lc-slide-compact .lc-books span{height:29px;border-left:0;text-align:center;background:linear-gradient(#d9d9cf,#f5f2e8 30%,#d9d9cf);font-size:16px;color:#39443f}
body:has(.lesson58) .lc-slide-compact .lc-books span+span{width:208px;background:linear-gradient(#d6d9cd,#edebdf 45%,#c7cdbf)}
@media(min-width:1251px){
 body:has(.lesson58:not(.lc-question-page)) .lc-controls>button:first-child{margin-right:15px}
 body:has(.lesson58:not(.lc-question-page)) .lc-controls input[type=range]{margin-left:9px;flex:0 0 409px;max-width:none}
 body:has(.lesson58:not(.lc-question-page)) .lc-controls{padding-right:24px}
 body:has(.lesson58:not(.lc-question-page)) .lc-controls [data-mute]{margin-left:auto}
 body:has(.lesson58:not(.lc-question-page)) .lc-controls select,
 body:has(.lesson58:not(.lc-question-page)) .lc-controls [data-mini],
 body:has(.lesson58:not(.lc-question-page)) .lc-controls [data-fullscreen]{margin-left:6px}
 body:has(.lc-question-page)>aside{padding-top:19px}
 body:has(.lc-question-page)>aside nav a{height:66px}
 body:has(.lc-question-page) .lc-conversation{padding-right:24px}
 body:has(.lc-question-page) .lc-message:first-child{margin-bottom:35px}
 body:has(.lc-question-page) .lc-message p{font-size:17px;line-height:31px}
 body:has(.lc-question-page) .lc-message.assistant p{padding-bottom:7px}
 body:has(.lc-question-page) .lc-question-form{margin-top:20px}
}
body:has(.lesson58) .lc-evidence a:after,body:has(.lesson58) .lc-evidence button:after{content:"";display:inline-block;width:7px;height:7px;border-right:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg);margin-left:11px}
@media(max-width:1000px){
 body:has(.lesson58)>header{height:64px;padding:0 16px}
 body:has(.lesson58)>header .brand{font-size:21px;gap:9px}
 body:has(.lesson58)>header .brand svg{width:28px;height:28px}
 body:has(.lesson58)>aside{display:none}
 body:has(.lesson58)>main{margin:0;padding:22px 18px 90px}
 body:has(.lesson58)>.mobile b{display:flex;align-items:center}
 body:has(.lesson58)>.mobile svg{width:23px;height:23px}
 body:has(.lesson58) .lc-question-page h1{font-size:30px}
 body:has(.lesson58) .lc-save-state{display:none}
 body:has(.lesson58) .lc-message p{font-size:15px}
 body:has(.lesson58) .lc-transcript>button{font-size:15px}
}
@media(max-width:650px){
 body:has(.lesson58)>header .user{gap:9px}
 body:has(.lesson58)>header .user i{width:32px;height:32px}
 body:has(.lesson58)>main{padding:20px 14px 85px}
 body:has(.lesson58) .lc-save-strip{bottom:42px;font-size:8px;min-height:15px;padding:1px 4px}
 body:has(.lesson58) .lc-save-strip button{padding:0 3px}
 body:has(.lesson58) .lc-slide:not(.lc-slide-compact){aspect-ratio:auto;min-height:244px;padding-bottom:43px}
 body:has(.lesson58) .lc-slide-compact{min-height:177px}
 body:has(.lesson58) .lc-slide-compact{width:100%;min-width:0;aspect-ratio:auto}
 body:has(.lesson58) .lc-slide-compact .lc-large-play{left:75%}
 body:has(.lesson58) .lc-source .lc-controls [data-mini]{display:none}
 body:has(.lesson58) .lc-controls [data-mini]{display:none}
 body:has(.lesson58) .lc-transcript .on time{padding-left:0}
 body:has(.lesson58) .lc-transcript .on time:before{left:-11px;top:6px;border-left-width:7px;border-top-width:7px;border-bottom-width:7px}
 body:has(.lesson58) .lc-diagram>div{height:98px;flex:1 1 0;display:flex;flex-direction:column;justify-content:center;padding:10px 3px}
 body:has(.lesson58) .lc-diagram b{font-size:14px;white-space:nowrap}
 body:has(.lesson58) .lc-diagram span{font-size:10px;line-height:1.45}
 body:has(.lesson58) .lc-books{width:90px}
 body:has(.lesson58) .lc-books span{height:12px;font-size:7px;border-left-width:9px}
 body:has(.lesson58) .lc-books span+span{width:105px}
 body:has(.lesson58) .lc-books:before{height:9px;width:80px}
 body:has(.lesson58) .lc-plant{width:58px;height:95px;left:-18px;bottom:14px}
 body:has(.lesson58) .lc-slide-compact .lc-plant{width:76px;height:128px;right:-17px;top:-20px}
 body:has(.lesson58) .lc-slide-compact .lc-books{width:105px;right:-8px}
 body:has(.lesson58) .lc-slide-compact .lc-books span{height:15px;font-size:9px}
 body:has(.lesson58) .lc-slide-compact .lc-books span+span{width:117px}
 body:has(.lesson58) .lc-progress-output{bottom:43px;left:73px;font-size:8px}
 body:has(.lesson58) .lc-lesson{padding:12px 8px}
 body:has(.lesson58) .lc-lower .lc-tabs{gap:25px;padding:0 14px}
 body:has(.lesson58) .lc-lower .lc-tabs [data-tab=notes]{font-size:15px}
 body:has(.lesson58) .lc-question-page h1{font-size:25px}
 body:has(.lesson58) .lc-question-page .lc-breadcrumb{font-size:13px}
 body:has(.lesson58) .lc-message p{font-size:14px}
 body:has(.lesson58) .lc-transcript>button{font-size:14px}
 body:has(.lesson58) .lc-source .lc-controls{gap:6px;font-size:9px;padding:0 6px}
}

body:has(.lesson58) a.lc-lesson{text-decoration:none}