:root{color-scheme:dark;font-family:ui-rounded,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#edf4ff;background:#081628;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0%,#163653 0,transparent 55%),#081628;min-height:100vh}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #f8d584;outline-offset:4px}button:disabled{cursor:default;opacity:.65}main{max-width:1040px;margin:auto;padding:28px 32px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.brand{display:flex;gap:12px;align-items:center;color:#eed69f;text-decoration:none;font-size:28px}.brand span{font-size:12px;letter-spacing:.2em;font-weight:600}.quiet{color:#dbe6f6;border:1px solid #ffffff32;background:#11243bbf;border-radius:30px;padding:10px 18px;font-size:14px}.heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.eyebrow{font-size:14px;letter-spacing:.15em;color:#9bafc5;margin:0 0 8px}h1{font-size:clamp(30px,5vw,44px);letter-spacing:.06em;margin:0;font-weight:600}.score{color:#f3d497;border:1px solid #e7c98b36;border-radius:24px;padding:12px 20px;font-size:16px}.score b{font-size:24px;margin:0 4px}nav{display:flex;gap:8px;margin-bottom:18px}.tab{border:1px solid #ffffff20;border-radius:12px;background:transparent;color:#a9bdd3;padding:13px 24px;font-size:16px}.tab.selected{color:#f5dfa9;background:#e6c47917;border-color:#d9ba7960}.scene{position:relative;overflow:hidden;min-height:355px;border-radius:24px 24px 0 0;background:#142e48 url('island.png') center 58%/cover;border:1px solid #ffffff1c;border-bottom:0}.scene-shade{position:absolute;inset:0;background:linear-gradient(90deg,#091d37e8 0%,#091d37bd 43%,#091d3730 100%)}.story{position:relative;z-index:1;padding:32px 36px;max-width:640px}.chapter{display:inline-block;font-size:14px;color:#dbca9f;letter-spacing:.05em}h2{font-size:clamp(25px,4vw,34px);margin:14px 0 10px;font-weight:600}p{font-size:16px;line-height:1.7}#hint{color:#c7d8ea;margin:0}.stars{font-size:32px;letter-spacing:8px;color:#f9d589;margin:16px 0;text-shadow:0 0 20px #ffc35a88}.actions{display:flex;gap:10px;flex-wrap:wrap}.gold{border:0;background:#f2d394;color:#263145;border-radius:30px;padding:12px 22px;font-weight:600;min-height:46px}#feedback{color:#fff0cc;margin:16px 0 0;min-height:28px}.instrument{background:#13273e;border:1px solid #ffffff1c;border-top:0;border-radius:0 0 24px 24px;padding:20px 32px 22px}.instrument-title{display:flex;justify-content:space-between;gap:12px;color:#d4e2f2;font-size:14px;margin-bottom:16px}#keyhint{color:#8fa7c1}.keyboard{position:relative;display:flex;height:164px;gap:3px;user-select:none}.key{flex:1;position:relative;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:4px;padding-bottom:13px;border:1px solid #dce3eb;border-radius:0 0 9px 9px;background:linear-gradient(#fff,#dfe6ec);color:#344257;font-size:23px;box-shadow:0 5px 0 #8795a7}.key small{font-size:12px;color:#67778c}.key.black{position:absolute;top:0;z-index:2;width:8%;height:59%;padding:0;border:1px solid #06111f;background:linear-gradient(100deg,#344056,#111d30);box-shadow:0 4px 0 #030b14;border-radius:0 0 5px 5px}.key.active{background:#f4cf81;transform:translateY(3px);box-shadow:0 2px 0 #9d814b}.key.black.active{background:#aa8750}.footnote{display:flex;justify-content:space-between;gap:12px;color:#9fb4cc;font-size:13px;line-height:1.6;margin-top:18px}.tap{width:100%;min-height:160px;border:2px solid #e6c98c78;border-radius:16px;color:#fae4b9;background:#20384e;font-size:28px;box-shadow:0 5px 0 #08182c}.tap span{display:block;font-size:14px;color:#b9cbe0;margin-top:10px}.tap.active{background:#405778;transform:translateY(3px)}[hidden]{display:none!important}footer{display:flex;justify-content:space-between;gap:30px;color:#8fa6bf;margin-top:22px;font-size:14px}details{max-width:540px;text-align:right}summary{cursor:pointer}details p{text-align:left;font-size:14px}@media(max-width:600px){main{padding:20px 16px}header{margin-bottom:26px}.brand span{font-size:11px;letter-spacing:.12em}.quiet{padding:9px 12px}.heading{margin-bottom:18px}.score{padding:8px 10px}nav{gap:8px}.tab{flex:1;padding:12px 8px;font-size:14px}.story{padding:24px 22px}.scene{min-height:350px;background-position:65% center}.scene-shade{background:linear-gradient(90deg,#091d37df,#091d3775)}.instrument{padding:19px 16px}.instrument-title{font-size:14px}#keyhint{display:none}.keyboard{height:146px}.key{font-size:21px}.footnote{flex-direction:column;gap:3px;font-size:13px}.stars{letter-spacing:5px}footer{display:block}footer>span{display:block;margin-bottom:14px}details{text-align:left}.brand{gap:7px}}
@media(prefers-reduced-motion:no-preference){button{transition:background .16s,transform .1s}.stars{transition:color .2s}}

.audio-help{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}.audio-help p{color:#bacce0;font-size:14px;flex:1;min-width:220px;margin:0}.audio-help button{font-size:14px}
h1{font-size:clamp(26px,4.6vw,40px);letter-spacing:-.02em}.heading{gap:14px}.score{flex-shrink:0}.eyebrow{letter-spacing:.06em}.story{max-width:700px}.embedded main{padding:22px}.embedded header .brand{display:none}.embedded header{justify-content:flex-end;margin-bottom:12px}@media(max-width:600px){.embedded main{padding:16px 12px}.tab{font-size:14px}.story{padding:22px 18px}.scene{min-height:380px}.score b{font-size:20px}.audio-help p{min-width:180px}}