:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#242b29;background:#f7f6f1;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-width:320px}
button{font:inherit;cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.48}
a{color:inherit}
small{font-weight:400;color:#586563}
main{width:min(1120px,calc(100% - 40px));margin:0 auto}
.site-head{height:74px;border-bottom:1px solid #cbd3cf;display:flex;justify-content:space-between;align-items:center;padding:0 max(20px,calc((100vw - 1120px)/2));gap:15px;background:#f7f6f1}
.wordmark{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:750;white-space:nowrap}
.wordmark small{display:block;font-size:11px;font-weight:500}
.mark{display:grid;place-items:center;width:33px;height:33px;border:2px solid #253e38;border-radius:50%;font-size:18px}
.head-right{display:flex;gap:14px;align-items:center}
.prototype-tag{font-size:10px;font-weight:750;letter-spacing:.1em;color:#62706b}
.api-status{display:inline-flex;gap:6px;align-items:center;padding:7px 10px;border:1px solid #afbeb8;border-radius:30px;white-space:nowrap;font-size:11px;font-weight:650;background:#e6f0e9}
.api-status:before{content:"";height:6px;width:6px;background:#3b8055;border-radius:50%}
.api-status.offline{background:#f7eadf;border-color:#e2bc9c}
.api-status.offline:before{background:#c47535}
.intro{display:flex;justify-content:space-between;align-items:end;gap:30px;padding:58px 0 43px}
.intro h1{font-size:clamp(31px,4.5vw,53px);line-height:1.08;margin:10px 0 8px;letter-spacing:-.05em;font-weight:720}
.eyebrow{color:#436e62;font-size:11px;text-transform:uppercase;font-weight:750;letter-spacing:.1em;margin:0}
.zh-intro{font-size:17px;margin:0;color:#5b6864}
.intro-aside{width:300px;line-height:1.5;font-size:13px;color:#45534f;margin:0 0 5px}
.intro-aside small{display:block;margin-top:5px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:32px}
.steps a{text-decoration:none;border:1px solid #bac8c1;padding:12px;border-radius:8px;background:#fff;font-size:12px;font-weight:650;white-space:nowrap}
.steps a:hover,.steps a:focus-visible{border-color:#294e41;background:#eaf3ed}
.steps b{color:#31735b;margin-right:8px}
.stage{border:1px solid #bac8c1;background:#fff;border-radius:13px;margin:0 0 18px;padding:25px;scroll-margin-top:18px}
.stage.locked{background:#fcfcfa}
.stage-heading{display:flex;align-items:flex-start;gap:13px;margin-bottom:24px}
.stage-number{border:1px solid #5d796d;color:#2a5c45;border-radius:50%;height:31px;min-width:31px;display:grid;place-items:center;font-size:11px;font-weight:750}
.stage-heading h2{font-size:21px;line-height:1.2;letter-spacing:-.02em;margin:1px 0 5px}
.stage-heading p{font-size:12px;color:#61706a;margin:0}
.capture-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(230px,.8fr);gap:18px}
.mic-well{min-height:267px;border:1.5px dashed #91aca0;border-radius:11px;background:#f6faf6;text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:25px}
.mic-pulse{width:66px;height:66px;border:2px solid #5d8f78;border-radius:50%;display:grid;place-items:center;font-size:31px;color:#376b54}
.mic-pulse.recording{animation:pulse 1.25s ease-in-out infinite;background:#deeee2}
@keyframes pulse{50%{box-shadow:0 0 0 14px rgba(72,132,91,.1)}
}
.mic-instruction{font-weight:700;font-size:15px;margin:17px 0}
.mic-instruction span{font-size:12px;font-weight:500}
.button-row{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.button{border:1px solid #547063;background:#fff;color:#244b3a;border-radius:8px;min-height:39px;padding:8px 14px;font-weight:720;font-size:12px;line-height:1.1;white-space:nowrap}
.button small{font-size:10px;display:block;margin-top:4px;color:inherit;font-weight:400}
.button:hover:not(:disabled),.instrument:hover,.mood:hover,.sample-btn:hover{background:#eaf3ed}
.button.primary{background:#2b6049;border-color:#2b6049;color:#fff}
.button.primary:hover:not(:disabled){background:#1f4b39}
.button.text-button{border-color:transparent;background:transparent}
.button:focus-visible,.sample-btn:focus-visible,.mood:focus-visible,.instrument:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #e8a568;outline-offset:2px}
.subtle{font-size:11px;line-height:1.45;color:#65716c}
.sample-panel{border:1px solid #d4dbd6;border-radius:11px;padding:19px;background:#fff}
.sample-panel h3,.sound-play h4{font-size:14px;margin:0 0 9px}
.sample-panel h3 small,.sound-play h4 small{display:block;font-size:11px;margin-top:3px}
.sample-panel .subtle{margin:0 0 22px}
.sample-buttons{display:grid;gap:9px}
.sample-btn{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:1px solid #b9c9be;border-radius:8px;background:#f8faf7;padding:12px;min-height:58px;color:#2b4237;font-size:13px;font-weight:700}
.sample-btn span:last-child{margin-left:auto}
.sample-btn small{display:block;font-size:10px;margin-top:3px}
.sample-icon{height:31px;width:31px;display:grid;place-items:center;border:1px solid #8da999;border-radius:7px;font-size:17px}
.empty-state{border:1px dashed #c1cec4;border-radius:8px;padding:23px;text-align:center;color:#6b7a70;background:#f8f9f6;font-size:13px;line-height:1.5}
.empty-state small{font-size:11px}
.motif-visual{height:160px;position:relative;border:1px solid #c2d0c4;border-radius:8px;background:repeating-linear-gradient(to bottom,#f5f8f5 0,#f5f8f5 30px,#dce4de 31px,#f5f8f5 32px);overflow:hidden}
.motif-visual svg{width:100%;height:125px}
.motif-axis{display:flex;justify-content:space-between;padding:4px 14px;font-size:10px;color:#607067}
.motif-visual + .button-row{margin-top:15px;justify-content:flex-start}
#motif-summary{margin-bottom:0}
.mood-group{display:flex;flex-wrap:wrap;gap:10px}
.mood{min-width:125px;min-height:62px;background:#fff;border:1px solid #a8baa9;border-radius:9px;font-size:13px;font-weight:750;color:#294439;padding:10px}
.mood span{font-size:16px;margin-right:5px}
.mood small{display:block;margin-top:2px;font-size:10px}
.mood.selected,.instrument.selected{border:2px solid #346e50;background:#e6f3e9}
.generate-row{display:flex;gap:13px;align-items:center;flex-wrap:wrap;margin-top:19px}
.process{display:flex;align-items:center;gap:12px;border:1px solid #b5cabe;border-radius:9px;background:#edf6ee;padding:12px;margin-top:18px}
.process strong{display:block;font-size:13px}
.process small{display:block;margin-top:2px}
.process .text-button{margin-left:auto}
.spinner{width:17px;height:17px;border:2px solid #a6c2ad;border-top-color:#2b6049;border-radius:50%;animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}
}
.creation{margin-top:25px;border-top:1px solid #d1dcd3;padding-top:22px}
.creation-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}
.creation-title h3{font-size:19px;margin:5px 0}
.creation-title p:last-child{margin:0}
.film{position:relative;border:1px solid #99ad9e;background:#f2f7f2;border-radius:9px;padding:14px;overflow:hidden}
.film svg{display:block;width:100%;height:auto;max-height:240px}
.film-caption{position:absolute;bottom:12px;left:15px;border:1px solid #b6cbb9;background:#fff;padding:6px 9px;border-radius:6px;font-size:11px;font-weight:650}
.timeline{display:flex;align-items:center;gap:12px;margin:11px 0 16px}
.timeline-rail{height:7px;background:#dbe5dc;border-radius:7px;overflow:hidden;flex:1}
.timeline-fill{height:100%;width:0;background:#45805c}
.timeline span{font-size:10px;color:#526259}
.event-chips{display:flex;flex-wrap:wrap;gap:7px}
.event-chip{font-size:10px;border:1px solid #bad0bd;border-radius:30px;padding:5px 8px;color:#45654b;background:#f3f8f2}
.event-chip.active{background:#316c4a;color:white;border-color:#316c4a}
.sound-play{margin-top:18px;padding:14px;border:1px solid #d2ded3;border-radius:8px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.sound-play p{margin:0}
.instrument-controls{display:flex;gap:5px}
.instrument{border:1px solid #a8bdac;background:#fff;border-radius:6px;min-width:68px;padding:8px;font-size:11px;font-weight:700}
.instrument small{display:block;font-size:9px}
.compare-intro{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:15px;background:#eef5ef;border-radius:8px;margin-bottom:14px}
.compare-intro strong{font-size:13px}
.compare-intro strong small{font-size:10px}
.compare-intro p{font-size:11px;color:#60716a;margin:5px 0 0}
.recommendations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.recommendation{border:1px solid #bfcec2;border-radius:8px;padding:16px;min-width:0}
.recommendation h3{font-size:15px;margin:5px 0}
.recommendation .work{font-size:11px;color:#68766c;margin:0 0 12px}
.recommendation .reason{border-left:3px solid #83ad89;padding-left:9px;font-size:12px;line-height:1.45;margin-bottom:13px}
.recommendation .reason small{display:block;margin-top:3px}
.recommendation .mini-contour{width:100%;height:54px;border:1px solid #e1e8e1;background:#f9fbf8;border-radius:5px;margin-bottom:11px}
.recommendation .actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.recommendation .actions a{font-size:11px;color:#2b6049;text-decoration:underline}
.catalog-note{font-size:10px;color:#6a786d;line-height:1.55;margin-bottom:0}
.method{border:1px solid #c8d2ca;border-radius:8px;background:#fff;padding:13px 17px;margin:28px 0 45px;font-size:12px;line-height:1.55;color:#4d5c52}
.method summary{cursor:pointer;font-weight:700}
.method p{margin-bottom:0}
footer{border-top:1px solid #ccd5ce;padding:22px 20px;text-align:center;font-size:11px;color:#758078}
footer span{margin-left:10px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[hidden]{display:none!important}
@media(max-width:720px){.prototype-tag{display:none}
.intro{display:block;padding:37px 0 27px}
.intro-aside{width:auto;max-width:400px;margin-top:18px}
.steps{grid-template-columns:repeat(2,1fr);gap:7px;margin-bottom:20px}
.capture-layout,.recommendations{grid-template-columns:1fr}
.stage{padding:18px}
.mic-well{min-height:235px}
.sound-play{display:block}
.instrument-controls{margin-top:12px}
.creation-title{align-items:flex-start}
.film-caption{max-width:calc(100% - 30px)}
}
@media(max-width:420px){main{width:calc(100% - 24px)}
.site-head{height:66px;padding:0 12px}
.wordmark{font-size:14px}
.api-status{font-size:10px}
.intro h1{font-size:31px}
.steps a{font-size:10px;padding:10px}
.stage-heading h2{font-size:18px}
.mood{min-width:calc((100% - 20px)/3);padding:7px 2px;font-size:10px}
.mood small{font-size:9px}
.button{padding:8px 10px}
.mic-instruction{font-size:13px}
.creation-title{flex-wrap:wrap}
.compare-intro{align-items:flex-start;flex-wrap:wrap}
.instrument{flex:1;min-width:0}
.instrument-controls{width:100%}
}


.studio-option{border:1px solid #c7d6ca;background:#fbfcf9;border-radius:8px;padding:13px;margin:0 0 15px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.studio-option strong{font-size:12px}
.studio-option strong small{display:block;font-size:10px}
.studio-option p{font-size:10px;color:#68776b;margin:5px 0 0}
.studio-result{width:100%;border-top:1px solid #d9e3d9;padding-top:10px}
.studio-result audio{width:100%;max-width:460px;display:block}
.error-line{font-size:12px;color:#a33e2d;font-weight:650;margin:10px 0 0}

.instrument-controls{flex-wrap:wrap}.reset-sound{background:#f5f8f4;border-style:dashed}.recommendation .excerpt{font-size:10px;color:#607169;line-height:1.45;margin:0 0 10px}