.osu-root{font:inherit;color:#233b53;max-width:100%;line-height:1.55}
.osu-root *{box-sizing:border-box}
.osu-root [hidden]{display:none!important}
.osu-hero{background:linear-gradient(105deg,#e5f4ff,#f5edff 65%,#fff4e6);border:1px solid #dfebf7;border-radius:22px;padding:30px 27px;margin-bottom:23px}
.osu-kicker,.osu-eyebrow{font-size:11px;color:#215c9a;letter-spacing:.055em;font-weight:800}
.osu-hero h1{font-size:clamp(29px,3.8vw,42px);margin:12px 0 13px;color:#193b61;letter-spacing:-.03em}
.osu-hero p{max-width:720px;font-size:15px;line-height:1.65;margin:0 0 19px}
.osu-main-download,.osu-root .osu-play,.osu-root .osu-speak{background:#1758a6;color:#fff!important;text-decoration:none;display:inline-block;border:0;border-radius:10px;font-weight:800;padding:12px 17px;cursor:pointer;font-size:14px}
.osu-main-download:hover,.osu-root .osu-play:hover,.osu-root .osu-speak:hover{background:#11467f;color:#fff!important}
.osu-agebar{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 22px}
.osu-agebar button{border:1px solid #d5e1ee;background:#fff;border-radius:100px;padding:9px 17px;font-size:14px;cursor:pointer;color:#244a74;font-weight:750}
.osu-agebar button[aria-pressed="true"]{background:#1758a6;color:#fff;border-color:#1758a6}
.osu-game{padding:22px;border:1px solid #d9e6f3;border-radius:18px;background:#f8fbff;margin-bottom:19px}
.osu-game-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.osu-counter{font-size:13px;color:#60738a;font-weight:750}
.osu-game h2,.osu-listening h2,.osu-section-top h2{color:#1c426d;font-size:23px;margin:8px 0}
.osu-game>p,.osu-listening p,.osu-section-top p{font-size:14px;color:#526477;margin:0 0 15px}
.osu-answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}
.osu-answers button{padding:13px;border:1px solid #bcd3e7;background:#fff;cursor:pointer;color:#234b71;border-radius:10px;font-size:15px;font-weight:750;text-align:left;min-height:56px}
.osu-answers button:hover{border-color:#1758a6;background:#f0f7ff}
.osu-answers button[aria-pressed="true"]{border-color:#1758a6;background:#deefff}
.osu-feedback{min-height:25px;color:#254f73!important;font-weight:750;margin:15px 0 5px!important}
.osu-root .osu-next,.osu-root .osu-change{padding:11px 15px;border:1px solid #bdd0e3;border-radius:10px;background:#fff;color:#24598f;font-weight:750;cursor:pointer;font-size:13px}
.osu-root .osu-next:disabled{opacity:.5;cursor:not-allowed}
.osu-listening{border:1px solid #e5def2;background:#faf7ff;border-radius:18px;padding:22px;margin-bottom:27px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.osu-listening .osu-instruction{font-size:16px;font-weight:750;color:#36456b;margin-top:14px}
.osu-listening .osu-speech-info{color:#8c5e27;font-size:12px;margin:7px 0 0}
.osu-speech-buttons{display:flex;flex-direction:column;gap:9px}
.osu-section-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:18px 0 13px}
.osu-section-top h2{margin:0 0 4px}
.osu-age-download{color:#1758a6;font-size:13px;text-decoration:none;font-weight:800}
.osu-age-download:hover{text-decoration:underline}
.osu-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.osu-card{min-width:0;border:1px solid #e1e8f0;border-radius:15px;background:#fff;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 3px 10px #1b44620b}
.osu-thumb{background:#f7f9fd;padding:10px;display:block}
.osu-thumb img{display:block;width:100%;height:auto;aspect-ratio:595 / 842;object-fit:contain;background:#fff;border-radius:5px}
.osu-body{padding:15px;display:flex;flex-direction:column;flex:1}
.osu-body>span{font-size:11px;color:#3f78ae;font-weight:800}
.osu-body h3{color:#1e3a57;font-size:16px;line-height:1.35;margin:7px 0}
.osu-body p{font-size:12px;line-height:1.55;color:#627185;margin:0 0 13px;flex:1}
.osu-body a{color:#16559c;text-decoration:none;font-size:12px;font-weight:800}
.osu-body a:hover{text-decoration:underline}
.osu-footnote{color:#697a8a;font-size:12px;line-height:1.6;margin:18px 0}
@media(max-width:780px){.osu-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.osu-listening{grid-template-columns:1fr}.osu-speech-buttons{flex-direction:row;flex-wrap:wrap}}
@media(max-width:540px){.osu-grid,.osu-answers{grid-template-columns:1fr}.osu-hero,.osu-game,.osu-listening{padding:19px}.osu-card{display:grid;grid-template-columns:34% 1fr}.osu-thumb{padding:8px}.osu-body{padding:12px}}