.b2b-course-active{background:#f7f5f0}.b2b-course-active .fl-hero{background:#f7f5f0}.b2b-course-active .fl-hero-copy h1 em,.b2b-course-active .fl-section-head em,.b2b-course-active .fl-final em{color:#dd5b22}.b2b-course-active .fl-actions button,.b2b-course-active .fl-dark>button,.b2b-course-active .fl-demos>button,.b2b-course-active .fl-final button,.b2b-course-active .b2b-offer button{background:#ee6a2c}.b2b-course-active .fl-terminal strong{color:#f0a56d}.b2b-pipeline{padding-bottom:88px}.pipeline-row{max-width:1180px;margin:42px auto;display:flex;align-items:center;justify-content:center;gap:14px}.pipeline-row span{border:1px solid #4b5561;padding:22px 14px;min-width:128px;text-align:center;color:#fff;font-weight:700}.pipeline-row span b{display:block;color:#f0a56d;font-size:12px;margin-bottom:8px}.pipeline-row>i{color:#f0a56d;font-style:normal}.b2b-graduation{padding:100px max(24px,calc((100% - 1180px)/2));background:#efece5}.b2b-graduation>div:last-child{display:grid;grid-template-columns:repeat(2,1fr);max-width:900px;margin:38px auto 0;gap:1px;background:#d7d1c7;border:1px solid #d7d1c7}.b2b-graduation>div:last-child span{background:#fff;padding:20px 24px;font-size:16px}.b2b-offer .fl-section-head{text-align:center}.b2b-offer article{max-width:760px}.b2b-offer h3 small{font-size:.45em;margin-right:4px}.b2b-offer .offer-note{display:block;color:#6a7078;line-height:1.7;margin-top:18px}.b2b-classroom{max-width:1180px;margin:0 auto;padding:20px 0 60px}.b2b-class-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:34px}.b2b-class-head small{color:#b84c1e;font-weight:700;letter-spacing:.08em}.b2b-class-head h1{font-size:38px;margin:9px 0}.b2b-class-head p{font-size:17px;color:#56616d}.b2b-class-head>a{background:#23384c;color:#fff;padding:12px 18px;text-decoration:none;white-space:nowrap}.b2b-classroom .cr-learning>aside{max-height:calc(100vh - 80px)}.b2b-nav-group>b{display:block;padding:17px 18px 9px;font-size:13px;color:#9b4a26;border-top:1px solid #edf1f4}.b2b-prompt{border-top:1px solid #e7edf2;padding:24px 0}.b2b-prompt pre{white-space:pre-wrap;background:#172532;color:#e8edf2;padding:22px;line-height:1.8;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;border-radius:7px}.b2b-prompt button{margin-top:10px;background:#e8edf2;padding:10px 14px;border-radius:5px}.b2b-course-active .cr-detail-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:26px}.b2b-course-active .cr-detail-grid ol,.b2b-course-active .cr-inputs ul,.b2b-course-active .cr-accept ul{padding-left:22px;line-height:1.9;color:#526171}.b2b-course-active .cr-detail-grid li,.b2b-course-active .cr-inputs li,.b2b-course-active .cr-accept li{margin:9px 0}.b2b-course-active button:disabled{opacity:.35;cursor:not-allowed}
@media(max-width:1000px){.pipeline-row{display:grid;grid-template-columns:repeat(3,1fr)}.pipeline-row>i{display:none}.pipeline-row span{min-width:0}.b2b-class-head h1{font-size:32px}}
@media(max-width:760px){.pipeline-row{grid-template-columns:1fr 1fr;gap:8px}.pipeline-row span{padding:17px 8px;font-size:14px}.b2b-graduation{padding:70px 20px}.b2b-graduation>div:last-child{grid-template-columns:1fr}.b2b-classroom{padding:10px 0 30px}.b2b-class-head{display:block}.b2b-class-head h1{font-size:28px}.b2b-class-head>a{display:inline-block;margin-top:18px}.b2b-course-active .cr-detail-grid{grid-template-columns:1fr}.b2b-course-active .cr-course{padding-top:20px}}
.b2b-final-stage{padding:24px 28px!important;background:#f7f5f0}.b2b-final-stage p{color:#56616d;line-height:1.8;margin:4px 0}.b2b-final-stage b{color:#202c37}

/* Lesson 01 courseware and full script */
.b2b-lesson-materials{margin:26px 0;border:1px solid #dce3e8;border-radius:12px;overflow:hidden;background:#f8fafb}
.b2b-material-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:22px 24px;background:#eef2f5;border-bottom:1px solid #dce3e8}
.b2b-material-head small{display:block;color:#b84c1e;font-weight:700;letter-spacing:.06em;margin-bottom:6px}
.b2b-material-head h4{margin:0}
.b2b-material-tabs{display:flex;gap:6px}
.b2b-material-tabs button{padding:10px 15px;border:1px solid #cbd5dc;border-radius:6px;background:#fff;color:#314252;font-weight:700}
.b2b-material-tabs button.active{background:#20364b;color:#fff;border-color:#20364b}
.b2b-material-panel{display:none;padding:18px}
.b2b-material-panel.active{display:block}
.b2b-material-tools{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:14px}
.b2b-material-tools p{margin:0;color:#5c6872;line-height:1.7}
.b2b-material-tools a{flex:none;padding:10px 14px;background:#e8672c;color:#fff;text-decoration:none;border-radius:5px;font-weight:700}
.b2b-material-panel iframe{display:block;width:100%;height:min(720px,72vh);border:1px solid #cfd8de;border-radius:8px;background:#fff}
.b2b-material-panel[data-material-panel="text"] iframe{height:820px}
@media(max-width:760px){.b2b-material-head,.b2b-material-tools{display:block}.b2b-material-tabs{margin-top:16px}.b2b-material-tools a{display:inline-block;margin-top:12px}.b2b-material-panel{padding:10px}.b2b-material-panel iframe{height:70vh}.b2b-material-panel[data-material-panel="text"] iframe{height:75vh}}