body.presentation-mode{overflow:hidden;background:#172820}
.presenter-shell{height:100dvh;display:grid;grid-template-rows:52px minmax(0,1fr) 106px;color:#243c30}
.p-documentary-duration{font-size:12px;color:#697968;padding:8px}
.presenter-top{display:flex;align-items:center;gap:22px;padding:0 24px;background:#fcfaf3;border-bottom:1px solid #ddd}
.presenter-top .brand{font-size:15px;gap:10px}.presenter-top .brand-icon{width:30px;height:30px;font-size:22px}.presenter-grade{font-size:13px;color:#667266;margin-right:auto}.presenter-top-tools{display:flex;gap:8px;margin-left:auto}.presenter-top .btn{padding:6px 12px;font-size:12px}
.presenter-main{min-width:0;min-height:0;display:grid;place-items:center;container-type:size;padding:12px;background:#172820}
.presentation-stage{width:min(100cqw,177.777cqh);aspect-ratio:16/9;position:relative;container-type:inline-size;overflow:hidden;border-radius:5px;box-shadow:0 12px 50px #0004;background:#f7f3e7}
.p-slide{position:absolute;inset:0;overflow:hidden;background:#f7f3e7;isolation:isolate;animation:ppt-enter .3s ease-out;color:#203f30}
.p-sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.p-documentary .p-backdrop{object-fit:contain;background:#0b2521}.p-video-fallback{display:none;position:absolute;left:5%;right:5%;bottom:4%;margin:0;padding:1.2cqw;background:#fff8e8;color:#203f30;border-radius:8px;font-size:1.6cqw;line-height:1.5}.presentation-stage[data-motion-state="fallback"] .p-video-fallback{display:block}
.p-backdrop{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-3}.p-shade{position:absolute;inset:0;background:linear-gradient(90deg,#11291bef 0%,#11291bd9 31%,#10291b55 61%,#10291b08 100%);z-index:-2}
.p-backdrop-video{pointer-events:none}
.p-motion-video .p-copy{left:7.5%;top:5%;width:85%;color:#fff8e7}.p-motion-video .p-kicker{font-size:1.15cqw;margin-bottom:.6cqw}.p-motion-video .p-copy h1{font-size:3cqw;line-height:1.3;margin-bottom:.65cqw}.p-motion-video .p-subtitle{font-size:1.35cqw;line-height:1.5;color:#e7ecdd;max-width:100%}
.p-copy{position:absolute;left:5.5%;top:16%;width:50%;z-index:2}.p-kicker{display:block;font-size:1.35cqw;font-weight:800;letter-spacing:.15em;color:#b56335;margin-bottom:1.6cqw}.p-copy h1{font-family:var(--sans);font-size:4.2cqw;font-weight:800;line-height:1.35;letter-spacing:-.045em;word-break:keep-all;margin:0 0 2.3cqw;outline:none}.p-subtitle{font-size:1.8cqw;line-height:1.8;word-break:keep-all;margin:0;max-width:95%}
.has-image .p-copy{color:#fff8e7}.has-image .p-kicker{color:#ffd394}.has-image .p-subtitle{color:#e7ecdd}.p-art-caption{position:absolute;bottom:2%;right:2%;font-size:1.2cqw;background:#fcfaf0ef;color:#4e584a;padding:.35cqw .65cqw;border-radius:3px;z-index:3;max-width:55%}
.p-image:not(.has-visual) .p-copy{left:52%;width:42%;top:15%}.p-image:not(.has-visual) .p-copy h1{font-size:3.8cqw}.p-image:not(.has-visual) .p-shade{background:linear-gradient(90deg,#10291b00 0%,#10291b15 33%,#11291bd9 56%,#11291bf5 100%)}
.p-visual{position:absolute;right:5.5%;top:17%;width:37%;height:67%;display:flex;flex-direction:column;justify-content:center;gap:2cqw;z-index:2}.p-notice{background:#fffbea;color:#27412f;padding:2.3cqw;border-radius:1cqw;box-shadow:0 5px 25px #10201733;font-family:var(--sans);font-weight:600;font-size:2.15cqw;line-height:1.6;word-break:keep-all}
.p-cards .p-copy,.p-recap .p-copy{top:8%;width:88%}.p-cards .p-copy h1,.p-recap .p-copy h1{font-size:3.3cqw;margin-bottom:1.2cqw}.p-cards .p-visual,.p-recap .p-visual{top:43%;left:5.5%;width:89%;height:48%}.p-cards.has-image .p-shade{background:#173521df}.p-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:1.7cqw;width:100%;height:100%;align-items:stretch}.p-card{background:#e4eada;padding:2cqw;border-radius:1.3cqw;min-width:0;display:flex;flex-direction:column;justify-content:center;color:#233d2c}.p-card-number{font-size:1.3cqw;color:#8a6640;margin-bottom:1cqw}.p-card h2{font-size:2.5cqw;line-height:1.5;word-break:keep-all;margin:0 0 1cqw}.p-card p{font-size:1.65cqw;line-height:1.7;word-break:keep-all;margin:0}
.p-equation .p-visual{background:#204b37;border-radius:2cqw;color:#fff3d6;padding:3cqw}.p-equation-parts{display:flex;align-items:center;justify-content:center;gap:1.6cqw;font-size:4cqw}.p-equation-parts b{font-size:2.3cqw;color:#d8bc82}.p-equation-result{font-size:15cqw;line-height:1.2;text-align:center;font-weight:800}.p-ox-choices{display:flex;gap:2cqw}.p-ox-choices span{font-size:10cqw;font-weight:800;width:50%;text-align:center;background:#e1e9d5;border-radius:2cqw}.p-ox-answer{font-size:20cqw;font-weight:800;color:#2e6845;text-align:center;line-height:1}
.p-activity .p-copy{width:43%;top:10%;color:#203f30}.p-activity .p-copy h1{font-size:3.5cqw}.p-activity .p-backdrop{left:52%;width:48%;object-position:center}.p-activity .p-shade{background:linear-gradient(90deg,#f7f3e7 47%,#f7f3e700 63%)}.p-activity .p-kicker{color:#b56335}.p-activity .p-subtitle{color:#435842}.p-activity .p-visual{width:42%;right:4%;top:18%;height:68%}.p-activity .p-cards-grid{display:flex;flex-direction:column;gap:1cqw}.p-activity .p-card{padding:1.3cqw 1.8cqw;background:#fffbeeef;flex:1}.p-activity .p-card-number{display:none}.p-activity .p-card h2{font-size:1.9cqw;margin-bottom:.4cqw}.p-activity .p-card p{font-size:1.4cqw}
.p-compare .p-copy{width:43%;top:14%}.p-compare .p-visual{height:70%;top:15%;width:43%;right:4%}.p-compare .p-cards-grid{display:flex;flex-direction:column;gap:1.3cqw}.p-compare .p-card h2{font-size:3cqw}.p-compare .p-card{padding:1.8cqw}.p-compare .p-card-number{display:none}
.p-recap:not(.has-visual) .p-copy{top:23%}.p-finish .p-shade{background:#143522d9}.p-finish .p-copy{width:80%;left:10%;top:22%;text-align:center}.p-finish .p-copy h1{font-size:4.8cqw}.p-finish .p-subtitle{max-width:none}
.p-quiz .p-copy{top:6%;left:5.5%;width:89%;height:28%}.p-quiz .p-kicker{margin-bottom:1cqw}.p-quiz .p-copy h1{font-family:var(--sans);font-size:2.9cqw;line-height:1.5;letter-spacing:-.04em;margin:0}.p-quiz-options{position:absolute;top:37%;left:5.5%;width:89%;height:37%;display:grid;grid-template-columns:1fr 1fr;gap:1.2cqw}.p-option{display:flex;align-items:center;gap:1.3cqw;padding:1.2cqw 1.6cqw;border:2px solid transparent;border-radius:1cqw;background:#e9eddf;min-width:0}.p-option>span{display:grid;place-items:center;flex-shrink:0;width:2.5cqw;height:2.5cqw;border-radius:50%;background:#d6dfc8;font-size:1.5cqw}.p-option p{font-size:1.65cqw;line-height:1.6;margin:0;word-break:keep-all}.p-option b{font-size:2cqw;margin-left:auto}.p-option.is-answer{background:#cbe6c9;border-color:#376b45}.p-feedback{position:absolute;left:5.5%;right:5.5%;bottom:4%;max-height:21%;padding:1cqw 1.5cqw;border-radius:1cqw;background:#204b37;color:#fff7dc;display:flex;align-items:center;gap:1.5cqw}.p-feedback strong{white-space:nowrap;font-size:1.55cqw}.p-feedback p{font-size:1.25cqw;line-height:1.7;margin:0;word-break:keep-all}.p-wait-message{position:absolute;bottom:7%;left:5.5%;font-size:1.6cqw;color:#65755c;margin:0}.p-open-answer{position:absolute;top:38%;left:5.5%;width:89%;padding:2cqw 2.5cqw;max-height:35%;background:#e6ead9;border-radius:1.2cqw}.p-open-answer span{font-size:1.3cqw;color:#9d5a2e;font-weight:700}.p-open-answer p{font-size:1.9cqw;line-height:1.7;margin:1cqw 0 0;word-break:keep-all}
.p-recap.has-image .p-shade{background:linear-gradient(90deg,#142d21d9 0%,#142d21a8 55%,#142d2159 100%)}.p-recap.has-image .p-card{background:#f1f2e8ed}.p-recap .p-subtitle{font-size:1.95cqw;line-height:1.55}
.presenter-controls{background:#fcfaf3;padding:8px 24px 10px;display:grid;grid-template-rows:28px 1fr;gap:6px}.presenter-cue{display:flex;align-items:center;gap:12px;min-width:0}.presenter-cue>span{flex-shrink:0;font-size:11px;color:#a46139;font-weight:800}.presenter-cue p{font-size:13px;margin:0;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.presenter-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}.presenter-tools,.presenter-actions{display:flex;align-items:center;gap:8px}.presenter-tools .btn{font-size:12px;padding:9px 10px}.presenter-tools .timer{font-size:13px;padding:8px}.presenter-status{display:flex;align-items:center;gap:14px;margin-right:auto;margin-left:20px;min-width:0}.presenter-status b{font-size:18px;font-variant-numeric:tabular-nums;white-space:nowrap}.presenter-status b span{font-size:13px;font-weight:400;color:#6b7665}.presenter-status small{font-size:12px;color:#6b7665;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}.presenter-actions .btn{min-width:90px;padding:12px 22px;font-size:15px}.presenter-actions [data-action=next]{min-width:136px;background:#c65e34;color:white}.presenter-video-frame{aspect-ratio:16/9}.presenter-video-frame iframe{height:100%;width:100%;border:0}
@keyframes ppt-enter{from{opacity:.4;transform:translateX(10px)}to{opacity:1;transform:none}}
@media(max-width:800px){.presenter-top{padding:0 12px;gap:10px}.presenter-grade{display:none}.presenter-controls{padding:7px 12px}.presenter-status{margin-left:0}.presenter-status small{display:none}.presenter-tools .btn{padding:8px;font-size:11px}.presenter-actions .btn{min-width:65px;padding:10px 13px;font-size:13px}.presenter-actions [data-action=next]{min-width:100px}.presenter-cue p{font-size:12px}.presenter-main{padding:8px}}
@media(max-width:520px){.presenter-top .brand span:last-child{display:none}.presenter-tools .timer{display:none}.presenter-tools{gap:2px}.presenter-status b{font-size:14px}.presenter-status b span{font-size:11px}.presenter-actions{gap:2px}.presenter-actions .btn{min-width:48px;padding:10px}.presenter-actions [data-action=next]{min-width:82px}.presenter-nav{gap:5px}.presenter-cue>span{display:none}}
@media(prefers-reduced-motion:reduce){.p-slide{animation:none}}
.p-youtube{background:#12301f;color:#fff8e7}.p-youtube .p-copy{left:5%;top:13%;width:30%}.p-youtube .p-kicker{color:#ffd394}.p-youtube .p-copy h1{font-size:3.1cqw;line-height:1.35}.p-youtube .p-subtitle{font-size:1.5cqw;line-height:1.7;color:#e7ecdd}
.p-youtube-figure{position:absolute;right:4.5%;top:50%;transform:translateY(-50%);width:57%;margin:0}.p-youtube-frame{aspect-ratio:16/9;border-radius:1cqw;overflow:hidden;background:#000;box-shadow:0 2cqw 5cqw #0006}.p-youtube-frame iframe{display:block;width:100%;height:100%;border:0}.p-youtube-figure figcaption{display:flex;justify-content:space-between;gap:1cqw;margin-top:.8cqw;font-size:1.05cqw;color:#cfd9cb}.p-youtube-figure figcaption a{color:#ffd394;font-weight:700;white-space:nowrap}