:root{--chapter-red:#91251f}
.body{top:126px}
.strategy-emphasis{color:var(--chapter-red)}
.chapter-progress{position:absolute;left:32px;right:32px;bottom:0;height:50px;border-top:1px solid #cbd4df;font-weight:400;background:#fff;z-index:3}
.progress-main,.progress-sub{display:flex;align-items:stretch;justify-content:center;height:25px;gap:12px}
.chapter-progress button{border:0;background:transparent;color:#6b7582;white-space:nowrap;font:19px/24px MBA-YaHei,sans-serif;padding:0 12px;position:relative}
.progress-main>button{flex:1;border-top:3px solid #e3e7ec;line-height:21px}
.progress-main>button:last-child{flex:2.25}.progress-main>button:first-child{flex:.45}
.progress-main>button.done{border-color:#8c9db2}.chapter-progress button.done{color:#52647c}
.chapter-progress button.active{color:var(--chapter-red);font-weight:700}.progress-main>button.active{border-color:var(--chapter-red)}
.progress-sub button{font-size:19px;line-height:24px}.progress-sub button.active{background:#f8eeec}.progress-sub>span{font-size:19px;line-height:24px;color:#52647c}
.chapter-progress button:hover{background:#f1f3f6}.chapter-progress button:focus-visible{outline:2px solid var(--chapter-red);outline-offset:-2px}
.chapter-agenda{color:#273343;font-weight:400}
.chapter-transition{display:flex;align-items:center;gap:30px;font-size:32px;line-height:1.5;border-bottom:1px solid #cbd4df;padding:4px 0 28px}
.chapter-transition>span:first-child{color:#536278}.chapter-transition-arrow{color:#8a98ab}.chapter-transition strong{color:var(--chapter-red);font-weight:700}
.chapter-columns{display:grid;grid-template-columns:370px 440px 1fr;gap:40px;margin-top:46px}
.chapter-column h2{font-size:38px;line-height:1.3;margin:0 0 13px;color:var(--blue)}
.chapter-column.active h2{color:var(--chapter-red)}
.chapter-subtitle{font-size:25px;line-height:1.4;font-weight:400;min-height:78px;color:#52647c}
.chapter-column ol{list-style:none;margin:24px 0 0;padding:0}.chapter-column li{margin:0 0 17px}
.chapter-column button{border:0;background:transparent;display:flex;align-items:baseline;gap:10px;padding:3px 0;width:100%;text-align:left;font:29px/1.45 MBA-YaHei,sans-serif;color:#344359}
.chapter-column li.done button{color:#6a7788}.chapter-column li.active button{color:var(--chapter-red);font-weight:700}
.chapter-status{width:22px;flex:none}.chapter-now{font-size:18px;white-space:nowrap;border-bottom:1px solid currentColor;margin-left:auto}

.dialog-content pre{color:#111;font-weight:400}

/* Eight Agent subsections: preserve type size, reduce empty spacing. */
.progress-sub{gap:5px}.progress-sub button{padding:0 7px}.chapter-column:last-child li{margin-bottom:9px}.chapter-column:last-child button{font-size:29px;line-height:1.35}.chapter-column:last-child ol{margin-top:17px}