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.practice-jumps,.mobile-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px}.mobile-material{margin:25px 0 34px;border:1px solid #d3e5f5;border-radius:8px;background:#f8fbff;padding:19px 20px}.material-head{display:flex;flex-direction:column;gap:4px;padding-bottom:13px;border-bottom:1px solid #dce8f4}.material-head strong{color:#205c95;font-size:18px}.material-head span{font-size:12px;color:#7b90a7}.article .mobile-material pre{background:transparent;border:0;border-radius:0;padding:0;margin:19px 0 22px;font:15px/1.9 "Microsoft YaHei UI",sans-serif;white-space:pre-wrap;word-break:break-word}.article .mobile-material .secondary-action{font-size:14px}.projector .article .mobile-material pre{font-size:21px}.projector .material-head strong{font-size:25px}@media(max-width:720px){.mobile-material{padding:15px}.mobile-actions{flex-direction:column;align-items:stretch}.mobile-actions button{width:100%;font-size:14px}.practice-jumps{gap:8px}.practice-jumps a{font-size:12px;padding:8px 10px}.article .mobile-material pre{font-size:14px;line-height:1.9}.material-head strong{font-size:16px}.mobile-material>button{width:100%}}

.event-cover{margin:0 0 30px;line-height:0}.event-cover img{display:block;width:100%;height:auto;border:1px solid #dbe8f6;border-radius:8px;cursor:zoom-in}.article .feedback-poster{margin:24px auto 32px;max-width:580px}.article .feedback-poster img{width:100%;height:auto;margin:0 auto;border:0;border-radius:8px}.article .feedback-poster figcaption{font-size:13px;line-height:1.8;text-align:center;margin:10px 0 0;color:#7189a0}.projector .feedback-poster{max-width:760px}.projector .article .feedback-poster img{width:auto;max-width:100%;max-height:calc(100dvh - 140px);object-fit:contain}.projector .feedback-poster figcaption{font-size:18px}@media(max-width:720px){.event-cover{margin-bottom:23px}.event-cover img{border-radius:5px}.article .feedback-poster{margin:20px auto 28px}}

.profile-hero{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:32px;align-items:start;margin:25px 0 42px}.speaker-label{color:#7794af;font-size:13px;letter-spacing:.12em;margin-bottom:5px}.speaker-info h2{font-size:42px;font-weight:650;line-height:1.3;color:#153e6f;margin:0 0 12px}.speaker-role{font-size:17px;line-height:1.8;color:#416585;margin:0 0 21px}.speaker-credentials{padding:0;margin:0 0 24px;list-style:none;border-top:1px solid #dce8f4}.speaker-credentials li{padding:9px 0;border-bottom:1px solid #e6eef6;font-size:14px;color:#476883}.speaker-lead{font-size:16px;line-height:1.95;color:#3f607e;margin:22px 0}.instructor-contact{margin:0;text-align:center}.instructor-contact img{display:block;width:100%;height:auto;cursor:zoom-in;border:1px solid #dbe6f1;border-radius:8px;box-shadow:0 9px 30px #184a7910}.instructor-contact figcaption{font-size:13px;color:#718ca5;margin:11px 0 12px}.instructor-contact .primary-action{font-size:13px;padding:8px 13px}.consulting-topic{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid #e0eaf4}.topic-number{font-size:25px;line-height:1.7;color:#89b3d9;flex:0 0 34px}.article .consulting-topic h3{font-size:20px;margin:0 0 6px}.article .consulting-topic p{margin:0;font-size:16px;color:#637f99}.speaker-contact-note{background:#edf7ff;border-left:3px solid #0877ec;padding:16px 20px;font-size:15px;margin:26px 0;color:#315e87}.image-dialog.instructor-card-view img{width:100%;height:calc(94vh - 85px);max-height:calc(94vh - 85px);object-fit:contain}.projector .profile-hero{grid-template-columns:minmax(0,1fr) 380px;gap:42px}.projector .speaker-info h2{font-size:50px}.projector .speaker-role{font-size:24px}.projector .speaker-credentials li{font-size:21px}.projector .speaker-lead{font-size:23px}.projector .instructor-contact figcaption{font-size:18px}.projector .instructor-contact .primary-action{font-size:18px}.projector .article .consulting-topic h3{font-size:26px}.projector .article .consulting-topic p,.projector .speaker-contact-note{font-size:21px}@media(max-width:950px){.profile-hero{grid-template-columns:minmax(0,1fr) 270px;gap:24px}.speaker-info h2{font-size:36px}.speaker-role{font-size:15px}}@media(max-width:720px){.profile-hero,.projector .profile-hero{grid-template-columns:1fr;gap:29px}.speaker-info h2{font-size:36px}.speaker-role{font-size:16px}.speaker-credentials li{font-size:14px}.speaker-lead{font-size:16px}.instructor-contact{max-width:420px;width:100%;margin:0 auto}.instructor-contact .primary-action{width:100%;font-size:14px}.article .consulting-topic h3{font-size:18px}.article .consulting-topic p{font-size:15px}.consulting-topic{gap:13px}.speaker-contact-note{font-size:14px}}

/* Account text redactions: percentages belong to the actual image plane. */
.image-redaction-frame{position:relative;display:block;max-width:100%;line-height:0}
.image-redaction-layer{position:absolute;display:block;overflow:hidden;pointer-events:none;z-index:2;line-height:0}
.image-redaction-layer[hidden]{display:none}
.image-redaction-plane{position:absolute;display:block;pointer-events:none}
.image-redaction-mask{position:absolute;display:block;background:#292c32!important;opacity:1!important;filter:none!important;mix-blend-mode:normal;pointer-events:none;border:0;border-radius:0;box-shadow:none}
.image-dialog-stage{display:contents}
.image-dialog-stage.image-redaction-frame{display:block;flex:0 0 auto;max-width:100%;margin:auto}

/* Event cover entrance; course reading keeps its own navigation at #learn. */
.landing-page{background:linear-gradient(180deg,#a8ddff 0%,#e6f6ff 68%,#f5fbff 100%)}
.landing-page .topbar,.landing-page .sidebar,.landing-page .toc,.landing-page .back-top{display:none!important}
.landing-page .main-shell{margin:0;padding:0;min-height:100svh}
.landing-page .reading-layout{display:block;max-width:none;margin:0;padding:0}
.landing-page .article-wrap{max-width:none;margin:0}
.landing{display:flex;flex-direction:column;min-height:100svh;max-width:2048px;margin:0 auto}
.landing-media{display:flex;align-items:center;justify-content:center;flex:1;min-height:0;margin:0;line-height:0}
.landing-poster{display:block;width:100%;height:auto;max-height:calc(100svh - 200px);object-fit:contain;cursor:zoom-in}
.landing-entry{display:flex;align-items:center;justify-content:space-between;gap:30px;width:min(1160px,100%);margin:0 auto;padding:22px 32px calc(26px + env(safe-area-inset-bottom,0px))}
.landing-kicker{margin:0 0 6px;font-size:12px;font-weight:600;letter-spacing:.12em;color:#39749d}
.landing-copy h1{margin:0;color:#123e73;font-size:30px;line-height:1.4;font-weight:700;letter-spacing:-.035em}
.landing-copy h1 span{display:block;font-size:21px;font-weight:500;letter-spacing:.02em;margin-top:3px}
.landing-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:11px 0 0;color:#607d98;font-size:13px;line-height:1.8}
.landing-meta i{font-style:normal;color:#91abc1}
.landing-start{display:flex;align-items:center;justify-content:space-between;gap:44px;flex-shrink:0;min-height:58px;min-width:216px;padding:15px 25px;border:1px solid #0875e6;border-radius:999px;background:linear-gradient(115deg,#0877ec,#0059d6);color:#fff;font-size:18px;font-weight:600;line-height:1.5;box-shadow:0 8px 24px #0877ec26;transition:background .18s ease,box-shadow .18s ease}
.landing-start:hover{text-decoration:none;background:#0561cf;box-shadow:0 10px 28px #0877ec38}
.landing-start>span:last-child{font-size:25px;line-height:1;font-weight:400}
@media(max-width:720px){
 .landing-media{flex:none;padding-top:24px}
 .landing-poster{max-height:none}
 .landing-entry{flex:1;flex-direction:column;align-items:stretch;justify-content:center;gap:26px;width:min(520px,100%);padding:30px 22px calc(32px + env(safe-area-inset-bottom,0px))}
 .landing-kicker{font-size:11px;letter-spacing:.08em;margin-bottom:12px}
 .landing-copy h1{font-size:clamp(23px,6.4vw,29px);line-height:1.45}
 .landing-copy h1 span{font-size:clamp(18px,4.9vw,22px);margin-top:8px;letter-spacing:0}
 .landing-meta{font-size:12px;gap:8px;margin-top:18px}
 .landing-start{width:100%;min-width:0;min-height:56px;padding:15px 24px;font-size:17px}
}
@media(prefers-reduced-motion:reduce){.landing-start{transition:none}}
@media(max-width:720px){
 .topbar .brand{min-width:0;flex-shrink:1}
 .topbar .brand>span:last-child{min-width:0;overflow:hidden;text-overflow:ellipsis}
 .topbar .toplinks{flex-shrink:0}
 .sidebar{visibility:hidden}
 .sidebar.open{visibility:visible}
}

/* Quiet cumulative end targets for the lecturer; practice remains separate. */
.article-header,.home-hero{position:relative}
.pacing-mark{position:absolute;top:0;right:0;color:#91a0b2;font-family:ui-monospace,Consolas,monospace;font-size:11px;font-weight:400;line-height:18px;font-variant-numeric:tabular-nums;letter-spacing:.02em;white-space:nowrap;cursor:default}
.article-header .eyebrow,.home-hero .home-course-title{padding-right:52px}