:root{--ink:#26322e;--muted:#69746f;--paper:#f7f7f2;--white:#fff;--green:#2b6454;--green-soft:#e7efe9;--line:#dce3dc;--purple:#726484;--warn:#9c492b;--shadow:0 16px 50px #263d3010}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}a{color:var(--green)}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid transparent;border-radius:10px;padding:11px 22px;background:var(--green);color:#fff;font-weight:600;transition:background .15s,transform .15s}button:hover:enabled{background:#204c40;transform:translateY(-1px)}button:disabled{opacity:.45;cursor:not-allowed}.secondary{background:#fff;color:var(--green);border-color:var(--line)}.secondary:hover:enabled{background:var(--green-soft)}.quiet{background:transparent;color:var(--muted);padding:8px 10px}.danger{background:#a64d35}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #a295bc;outline-offset:3px}.masthead{max-width:1120px;margin:auto;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-size:17px;letter-spacing:.04em;font-weight:650}.brand small{display:block;font-size:9px;letter-spacing:.2em;font-weight:500;color:var(--muted);line-height:1.4}.brand-icon{width:42px;height:42px;border:1px solid #cad9ce;background:var(--green-soft);border-radius:50%;display:grid;place-items:center;color:var(--green);font-size:34px}.version,.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--muted)}main{max-width:1056px;margin:42px auto 0;padding:0 28px;min-height:70vh}h1{font-size:clamp(30px,4vw,45px);line-height:1.3;letter-spacing:-.03em;font-weight:650;margin:16px 0 22px}h2{font-size:25px;line-height:1.45;margin:0 0 14px}h3{font-size:18px;margin:0 0 12px}p{margin:12px 0}.muted{color:var(--muted)}.hero{display:grid;grid-template-columns:1.55fr 1fr;gap:42px;align-items:center;margin-bottom:30px}.hero p{max-width:610px;color:var(--muted)}.sound-art{height:230px;border-radius:120px 120px 12px 12px;background:#e8eee5;display:flex;justify-content:center;align-items:center;gap:9px;position:relative;overflow:hidden}.sound-art:before{content:"";position:absolute;border:1px solid #cad8c6;width:260px;height:260px;border-radius:50%}.sound-art span{width:8px;background:#6e927d;border-radius:10px;z-index:1}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}.fact{padding:20px 22px;background:white;border:1px solid var(--line);border-radius:12px}.fact b{font-size:25px;font-weight:550;display:block;color:var(--green)}.fact span{font-size:13px;color:var(--muted)}.card{background:white;border:1px solid var(--line);border-radius:18px;padding:30px;margin:20px 0;box-shadow:var(--shadow)}.card.soft{background:#f0f3ec;box-shadow:none}.small{font-size:13px}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:24px}.notice{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:90vw;background:#24392f;color:white;padding:12px 24px;border-radius:10px;box-shadow:var(--shadow);z-index:10}.error{color:var(--warn);background:#fff1ea;border:1px solid #edd1c3;padding:12px 16px;border-radius:10px}.pill{display:inline-block;padding:3px 12px;border-radius:20px;background:var(--green-soft);color:var(--green);font-size:12px;font-weight:600}.consent{max-height:260px;overflow-y:auto;background:#f7f8f5;padding:20px;white-space:pre-line;border-radius:10px;border:1px solid var(--line)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}label.field{display:grid;gap:7px;font-size:14px}.field input,.field select,.field textarea,input.link-field{width:100%;padding:10px 12px;background:white;border:1px solid #cad5cd;border-radius:8px;color:var(--ink)}.field.wide{grid-column:1/-1}.check{display:flex;align-items:flex-start;gap:10px;margin:16px 0}.check input{width:18px;height:18px;margin-top:6px;accent-color:var(--green);flex-shrink:0}.session-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.session-head h1{font-size:29px;margin:10px 0}.progress{height:5px;background:#dfe6de;border-radius:8px;overflow:hidden;margin-top:18px}.progress span{display:block;background:var(--green);height:100%;transition:width .3s}.listen-card{padding:26px 30px;background:linear-gradient(110deg,#edf2e9,#f7f8f4);border:1px solid #d9e3d6;border-radius:16px;margin:28px 0}.listen-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.clip-code{font-family:ui-monospace,monospace;color:var(--muted);font-size:12px;letter-spacing:.13em}.player{display:flex;gap:20px;align-items:center;margin-top:18px}.play-button{min-width:124px;border-radius:30px}.timeline{flex:1}.timeline progress{width:100%;height:8px;accent-color:var(--green);display:block}.time{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:6px;font-variant-numeric:tabular-nums}.play-note{font-size:13px;color:var(--muted);margin:14px 0 0}.question{font-size:21px;line-height:1.6;margin:20px 0 8px}.scale{display:grid;grid-template-columns:repeat(7,1fr);gap:9px;margin:24px 0 10px}.rating{position:relative}.rating input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.rating span{display:flex;flex-direction:column;align-items:center;border:1px solid #d8dfd7;border-radius:12px;padding:14px 4px;background:white;min-height:100px;justify-content:center}.rating b{font-size:24px;font-weight:550}.rating small{font-size:12px;white-space:nowrap}.rating input:checked+span{background:var(--green);color:white;border-color:var(--green);box-shadow:0 3px 10px #28574625}.rating input:focus-visible+span{outline:3px solid #a295bc;outline-offset:2px}.rating input:disabled+span{opacity:.45}.scale-anchors{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);gap:15px}.selection{min-height:52px;padding:12px 16px;border-radius:10px;background:#f7f8f5;color:var(--muted);font-size:14px;margin-top:20px}.trial-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:24px 0}.save-label{font-size:12px;color:var(--muted)}footer{padding:35px 20px;text-align:center;font-size:12px;color:var(--muted)}.center{text-align:center;max-width:740px;margin:55px auto}.completion-mark{font-size:40px;color:var(--green);display:block;margin:8px}.admin main{max-width:1350px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.admin-grid .card{margin:0}.table-wrap{overflow:auto;margin-top:18px}table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}th{text-align:left;background:#edf1eb;color:var(--green);padding:11px 12px}td{padding:10px 12px;border-bottom:1px solid var(--line)}td button{padding:5px 10px;font-size:12px}textarea{min-height:90px}.admin .card{box-shadow:none}.login{max-width:520px;margin:70px auto}.coverage-bars{display:grid;grid-template-columns:repeat(20,1fr);gap:4px;margin:18px 0}.coverage-bars span{display:block;height:30px;text-align:center;background:#e6eee6;font-size:9px;border-bottom:4px solid var(--green)}pre{white-space:pre-wrap;word-break:break-all}audio{max-width:100%}.loading{text-align:center;padding:60px}.link-field{font:12px ui-monospace,monospace!important}details summary{cursor:pointer;color:var(--green)}@media(max-width:700px){.masthead{padding:18px 20px}.brand{font-size:14px}.version{font-size:10px}main{margin-top:28px;padding:0 16px}.hero{grid-template-columns:1fr;gap:8px}.sound-art{display:none}.facts{gap:8px}.fact{padding:14px 10px}.fact b{font-size:21px}.fact span{font-size:11px}.card{padding:22px 18px}.fields{grid-template-columns:1fr}.scale{grid-template-columns:repeat(4,1fr);gap:8px}.rating span{min-height:80px;padding:8px 2px}.scale-anchors{font-size:11px}.listen-card{padding:20px 18px}.session-head{align-items:flex-start}.session-head h1{font-size:25px}.trial-bottom{align-items:flex-start;flex-direction:column}.trial-bottom button{width:100%}.admin-grid{grid-template-columns:1fr}.player{gap:12px}.play-button{min-width:100px;padding:10px 15px}.coverage-bars{grid-template-columns:repeat(10,1fr)}}
:root{--question-ink:#171717;--question-muted:#626262}
.questionnaire{max-width:840px;margin-top:24px;color:var(--question-ink);font-size:14px;line-height:1.65}
.questionnaire-panel{position:relative;background:#fff;border:1px solid #dedede;border-radius:16px;padding:24px 28px}
.questionnaire .session-head{align-items:flex-start;gap:12px}
.questionnaire .session-head h1{font-size:14px;font-weight:400;margin:14px 0 0}
.questionnaire .eyebrow{font-size:12px;letter-spacing:0;color:#555}
.questionnaire .session-head>.small{font-size:11px;text-align:right}
.questionnaire .quiet{font-size:11px;padding:3px;color:#666}
.questionnaire .progress-summary{text-align:right;font-size:12px;color:#555;margin-top:4px;margin-bottom:8px}
.questionnaire .progress{height:4px;background:#f0f0f0;margin-top:0;border-radius:0}
.questionnaire .progress span{background:#4b91cd}
.questionnaire-panel>.save-label{font-size:11px;margin:8px 0;color:#777}
.questionnaire .listen-card{border:0;background:none;padding:15px 20px 12px;margin:8px 0 0;text-align:center}
.questionnaire .listen-top{display:flex;flex-direction:column;gap:2px}
.questionnaire .listen-top h3{font-size:16px;margin:0}
.questionnaire .headphone-symbol{font-size:23px;color:#555;line-height:1.2}
.questionnaire .clip-code{font-size:10px;letter-spacing:.06em}
.questionnaire .player{max-width:390px;margin:14px auto 0;gap:14px}
.questionnaire .play-button{min-width:92px;padding:6px 12px;background:#171717;border-radius:20px;font-size:12px}
.questionnaire .timeline progress{height:5px;accent-color:#555}
.questionnaire .play-note{font-size:12px;margin-top:9px}
.questionnaire .card{border:0;box-shadow:none;border-radius:0;padding:0;margin:20px 0 0}
.questionnaire .question{font-size:16px;margin:0 0 10px}
.questionnaire .card>.muted{font-size:13px;color:#555;margin:10px 0}
.questionnaire fieldset legend{font-size:11px}
.questionnaire .scale{display:flex;flex-direction:column;gap:2px;margin:8px 0}
.questionnaire .rating{display:flex;align-items:flex-start;gap:10px;padding:5px 0;cursor:pointer;min-height:34px}
.questionnaire .rating input{position:static;opacity:1;width:17px;height:17px;flex-shrink:0;margin:3px 0 0;accent-color:#171717}
.questionnaire .rating>span{display:flex;flex-direction:row;align-items:baseline;gap:6px;justify-content:flex-start;border:0;border-radius:0;padding:0;min-height:0;font-size:13px;background:transparent}
.questionnaire .rating b{font-size:13px;font-weight:400;white-space:nowrap}
.questionnaire .rating .anchor-text{display:inline;min-height:0;border:0;border-radius:0;padding:0;background:none}
.questionnaire .rating input:checked+span{background:transparent;color:#111;box-shadow:none;font-weight:600}
.questionnaire .rating input:disabled+span{opacity:.5}
.questionnaire .selection{font-size:12px;min-height:24px;padding:0;background:transparent;margin-top:12px;color:#555}
.questionnaire .card>.small.muted{font-size:11px;margin:8px 0}
.questionnaire .trial-bottom{margin:16px 0 0;gap:14px}
.questionnaire #submit-rating{background:#141414;border-radius:24px;padding:8px 18px;font-size:13px}
@media(max-width:600px){.questionnaire{padding:0 10px;margin-top:16px}.questionnaire-panel{padding:18px 16px}.questionnaire .session-head>.small{max-width:125px;overflow-wrap:anywhere}.questionnaire .listen-card{padding:12px 0}.questionnaire .trial-bottom{flex-direction:row;align-items:center}.questionnaire .trial-bottom button{width:auto;flex-shrink:0}.questionnaire .save-label{font-size:10px}.questionnaire .rating>span{font-size:12px}.questionnaire .question{font-size:15px}}