video{display:block;width:100%;aspect-ratio:16/9;background:#14213d;border-radius:12px}figure{margin:24px 0}figure img{display:block;width:100%;height:auto;border:1px solid #d7dfdf;border-radius:8px}figcaption{font-size:.9rem;color:#4f6669;line-height:1.8;margin-top:10px}.step{border-top:1px solid #dbe3e0;padding:32px 0 18px;scroll-margin-top:30px}.step-num{font-size:.8rem;color:#176479;letter-spacing:.1em;font-weight:700}.step h3{font-size:1.4rem;margin:6px 0 15px}.step p{line-height:1.95}table{width:100%;border-collapse:collapse;line-height:1.75}th,td{padding:14px;text-align:left;border-bottom:1px solid #dbe3e0}th{background:#f0f5f3}li{margin-bottom:10px;line-height:1.8}.prompt-mini{background:#f0f4f3;padding:20px;border-radius:10px}.prompt-mini pre{font:14px/1.9 system-ui}summary{cursor:pointer;padding:16px 0;color:#235c68}details{border-bottom:1px solid #dde5e1}.seek-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.seek-list button{border:1px solid #d6e0dc;background:#fff;border-radius:6px;padding:12px;text-align:left;font:14px/1.5 system-ui;color:#193846;cursor:pointer}.seek-list span{display:inline-block;margin-right:10px;font-variant-numeric:tabular-nums;color:#347181}small{font-size:1rem;white-space:nowrap;color:#4f6669}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:30px 0}.stats div{border-top:3px solid #2a6e83;padding:18px 0}.stats b{display:block;font-size:1.6rem;line-height:1.4;color:#193b50}.stats span{font-size:.85rem;color:#546e74}.chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.chapter-card{display:block;padding:24px;border:1px solid #d6e0df;border-radius:12px;text-decoration:none!important;background:#fbfdfd;color:#183747!important;transition:transform .2s,border-color .2s}.chapter-card:hover{border-color:#26768b;transform:translateY(-3px)}.chapter-card b{font-size:.8rem;letter-spacing:.1em;color:#2a6e83}.chapter-card h3{font-size:1.35rem}.chapter-card span{font-weight:700}.hero-result{width:100%;border:1px solid #e0e7e4;border-radius:12px}.main{min-width:0}.step{overflow-wrap:anywhere}#transcript p{line-height:1.9}@media(max-width:750px){.chapter-grid,.seek-list{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}th,td{padding:8px;font-size:.9rem}.hero h1{font-size:2rem}section{padding:22px}figure{margin:16px -5px}aside{display:none}.grid{display:block}}
/* Preserve the proportions of each real screen capture. */
figure img{aspect-ratio:auto}.step:before{content:none;display:none}
.playback-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 0;font-size:.9rem;color:#375764}
.playback-tools select{padding:6px 10px;border:1px solid #bed0cd;border-radius:6px;background:white;color:#173f4c}

.topnav{display:flex;gap:9px;flex-wrap:wrap;margin-top:25px}.topnav a{padding:6px 12px;background:white;border:1px solid #d8dfea;border-radius:9px;text-decoration:none;font-size:13px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.step>p{font-size:16px}.prompt-block{white-space:pre-wrap;overflow-wrap:anywhere}.figure-label{display:block;color:#53666a;font-size:13px}.read-note{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.95 system-ui;background:#f6f8fb;color:#253a45}.figure-large{width:100%;height:auto}.download-list{display:grid;gap:10px}.download-list a{padding:12px;border:1px solid #dce4e9;border-radius:8px;text-decoration:none}.flow-diagram{display:flex;gap:15px;flex-wrap:wrap;align-items:center}.flow-diagram b{padding:18px 22px;background:#eef0fb;border-radius:12px;color:#514581}.checks label{display:flex;gap:10px;padding:9px 0}audio{max-width:100%;width:100%}@media(max-width:600px){section{padding:20px 16px}.wrap{padding:20px 12px}.step{padding-top:24px}.stats b{font-size:1.25rem}header span{display:none}.hero h1{font-size:32px}}