.activities-main{max-width:1200px;margin:0 auto;padding:36px 24px 64px;color:#243744}.activities-main h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.45;margin:12px 0}.activities-main h2{font-size:1.35rem;line-height:1.6}.activity-lead{font-size:1.1rem;line-height:1.9;max-width:44em}.activity-filters{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 14px}.activity-filters a{display:inline-block;padding:10px 16px;border:1px solid #b4c8cc;border-radius:999px;text-decoration:none;background:white;color:#285b65}.activity-filters a[aria-current=true]{background:#196579;color:white;border-color:#196579}.activities-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin:20px 0 40px}.activity-card{display:flex;flex-direction:column;text-decoration:none!important;border:1px solid #d5dfdd;border-radius:12px;padding:12px;background:white;overflow:hidden;transition:box-shadow .18s}.activity-card:hover{box-shadow:0 5px 18px #213e421a}.activity-card img{display:block;width:100%;height:auto;object-fit:contain;background:#fff}.activity-card h2{font-size:1rem;margin:6px 0 12px;color:#243744}.activity-category{font-size:.8rem;color:#647875;margin-top:12px}.activity-open{font-size:.85rem;color:#226576;margin-top:auto}.activity-card[hidden]{display:none}.activity-notice,.activity-guidance{background:#f1f5ef;border:1px solid #d3ded0;padding:20px 24px;border-radius:12px;margin:32px 0;font-size:.95rem;line-height:1.9}.activity-notice h2,.activity-guidance h2{margin-top:0}.activities-downloads{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0 28px}.activities-downloads a,.download-child,.activities-main button{display:inline-block;padding:12px 18px;border:1px solid #b4c8cc;border-radius:7px;background:white;color:#1f5867;text-decoration:none;font:inherit;cursor:pointer}.activities-downloads .download-child,.download-child{background:#196579;color:white;border-color:#196579;font-weight:700}.activity-bundles>div{padding:16px 0;border-bottom:1px solid #d8dfdb}.activity-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:start;margin-top:26px}.activity-sheet{padding:16px;background:#eef2ee;border-radius:12px}.activity-preview{display:block;width:100%;height:auto;object-fit:contain;box-shadow:0 2px 12px #24374415}.activity-zoom{margin:16px 0}.activity-single{display:block;text-align:center}.activity-howto{line-height:1.9}.activity-howto section{margin-bottom:24px}.activity-howto h2{margin:0 0 8px}.activity-howto p{margin:8px 0}.activity-answer{padding:14px 18px;background:#fff;border:1px solid #cedbd7;border-radius:8px}.activity-answer summary{cursor:pointer;font-weight:700}#activity-image-dialog{padding:56px 12px 12px;width:min(96vw,1300px);max-height:96vh;border:0;border-radius:12px;background:#f0f3ef;overflow:auto}#activity-image-dialog::backdrop{background:#14252bd4}#activity-image-dialog img{width:100%;height:auto;display:block}.activity-close{position:sticky;top:0;float:right;margin-top:-48px;z-index:2}.activities-entry{display:flex;flex-direction:column;gap:8px;max-width:1200px;margin:24px auto 32px;padding:22px 26px;background:#eef5ee;border:1px solid #b8cebe;border-left:5px solid #387747;border-radius:10px;color:#28533b;text-decoration:none!important}.activities-entry strong{font-size:clamp(1.25rem,2vw,1.65rem);line-height:1.6}.activities-entry span{line-height:1.8;font-size:.95rem}.activities-main a:focus-visible,.activities-main button:focus-visible{outline:3px solid #8c539f;outline-offset:3px}@media(max-width:900px){.activities-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}}@media(max-width:600px){.activities-main{padding:24px 16px 48px}.activities-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.activity-card{padding:9px}.activity-detail-layout{grid-template-columns:1fr;gap:24px}.activity-filters{gap:8px}.activity-filters a{padding:8px 12px;font-size:.9rem}.activity-notice,.activity-guidance{padding:16px}.activities-entry{margin:20px 0 24px;padding:18px}.activities-downloads{flex-direction:column}.activities-downloads a{text-align:center}.activity-howto h2{font-size:1.2rem}}@media(prefers-reduced-motion:reduce){.activity-card{transition:none}}

.activity-disclosure{font-size:.85rem;color:#566761;line-height:1.85;max-width:64em;margin:12px 0 22px}.activity-disclosure a{white-space:nowrap}#use-before{scroll-margin-top:20px}

#activity-image-dialog img{max-width:none}.activity-scale{position:sticky;top:0;margin-top:-48px;margin-bottom:12px;float:left;z-index:2}