:root{color-scheme:light;--ink:#24444a;--muted:#61756f;--teal:#38696c;--paper:#f7f7ef;--line:#dfe6da;--white:#fffffb;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:var(--teal);text-underline-offset:4px}button:disabled{opacity:.42;cursor:default}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #b18c48;outline-offset:4px}[hidden]{display:none!important}main{max-width:1080px;margin:auto;padding:28px 26px 195px}
.hero{position:relative;isolation:isolate;overflow:hidden;min-height:290px;padding:38px 40px;border:1px solid #e8e7d9;border-radius:24px;background:#f7f2e5}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:right 35%;z-index:-1}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#f8f4e6ed,#f8f4e660 46%,transparent 75%)}.hero-copy{max-width:490px}.eyebrow{font-size:11px;color:var(--teal);letter-spacing:2.2px;font-weight:600}h1{font-family:"Songti SC","SimSun",Georgia,serif;font-size:46px;line-height:1.3;letter-spacing:4px;margin:17px 0 10px;font-weight:600}.subtitle{font-family:Georgia,serif;font-size:23px;font-style:italic;color:#5e7d7c;margin:0}.intro{font-size:14px;color:#5d7876;margin:23px 0 0;line-height:1.9}
.settings{margin:23px 0 17px}.setting-label{font-size:12px;color:var(--muted);margin-bottom:10px}.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.voices button{display:flex;align-items:center;justify-content:center;gap:11px;min-height:62px;padding:13px 16px;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:var(--white)}.voices span{font-size:17px;font-weight:500}.voices small{font-size:9px;letter-spacing:1.2px;color:var(--muted)}.voices button[aria-pressed=true]{background:#e6eee4;border-color:#7ca09a;box-shadow:inset 0 0 0 1px #7ca09a}.voice-note{font-size:12px;color:var(--muted);min-height:22px;margin:11px 3px 16px}.modes{display:flex;gap:6px;background:#eaf0e8;border:1px solid #dfe6da;border-radius:14px;padding:5px}.modes button{flex:1;border:0;border-radius:10px;padding:11px;color:#698077;background:transparent;min-height:46px;font-family:Georgia,serif;font-size:19px}.modes span{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;margin-left:8px}.modes [aria-selected=true]{background:var(--white);color:var(--teal);box-shadow:0 2px 8px #24444a0b}
.tools{display:flex;align-items:center;flex-wrap:wrap;gap:13px;margin:18px 0 26px}.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:13px;min-height:44px;border:1px solid var(--line);border-radius:12px;padding:9px 15px;background:var(--white);color:var(--teal);text-decoration:none}.button.primary{background:var(--teal);color:var(--white);border-color:var(--teal)}.button:hover:not(:disabled){border-color:#7ca09a}.speed-label,.loop-label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);min-height:44px}.speed-label select{min-height:44px;padding:7px 24px 7px 11px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--white)}input[type=checkbox]{accent-color:var(--teal);width:17px;height:17px}.reference-links{display:flex;gap:18px;margin-left:auto;align-items:center}.reference-links a{font-size:12px;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.section-heading{margin:0 3px 18px;display:flex;justify-content:space-between;align-items:center;gap:14px}.section-heading h2{font-family:"Songti SC","SimSun",serif;font-size:23px;letter-spacing:2px;margin:0;font-weight:600}.section-heading p{font-size:12px;color:var(--muted);margin:0}
.phrase-card{background:var(--white);border:1px solid var(--line);border-radius:19px;padding:22px 23px;margin:15px 0;scroll-margin-top:20px;box-shadow:0 3px 18px #24444a03}.phrase-card.is-playing{border-color:#779c94;box-shadow:0 0 0 2px #38696c0c}.phrase-head{display:flex;align-items:center;gap:12px;justify-content:space-between;margin-bottom:16px}.phrase-head h3{font-size:15px;font-weight:500;margin:0}.phrase-head small{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:4px}.phrase-actions{display:flex;gap:7px;flex-shrink:0}.phrase-actions .button{min-height:38px;font-size:12px;padding:7px 12px}.toggle-score{background:transparent;border:0;min-width:44px;min-height:38px;font-size:11px;color:var(--muted);padding:4px}.score-label{display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:.4px;color:#718278;margin:0 0 9px}.score-strip{overflow:auto;overscroll-behavior-x:contain;background:#fff;border:1px solid #e5e8df;border-radius:11px;margin:8px 0;scrollbar-width:thin}.score-image{position:relative;display:block;padding:8px 6px;background:#fff;border:0;max-width:none;text-align:left}.score-image img{display:block;width:100%;height:auto}.score-strip.is-current{border-color:#709b93;box-shadow:0 0 0 2px #38696c0b}.score-image:focus-visible{outline-offset:-4px}.crop-caption{font-size:10px;color:#879189;padding:4px 7px 1px}.point-label{font-size:11px;color:var(--muted);margin:18px 0 10px}.words{display:flex;flex-wrap:wrap;gap:8px}.word{border:1px solid transparent;border-radius:11px;background:#f1f4ec;padding:10px 13px;min-height:66px;min-width:48px;display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;color:var(--ink)}.word .en{font-family:Georgia,serif;font-size:21px;line-height:1.25}.word .cn{font-size:10px;color:#5c7466}.word:hover{background:#e7efe2;border-color:#bdd0c2}.word.is-active{background:var(--teal);color:var(--white)}.word.is-active .cn{color:#dce9dd}.translation{font-size:12px;color:var(--muted);margin:15px 0 0;padding-top:13px;border-top:1px solid #edf0e6;line-height:1.85}.rest-note{padding:13px 16px;border-radius:10px;background:#eff3eb;color:var(--muted);font-size:13px;margin:14px 0}.note-grid{display:flex;flex-wrap:wrap;gap:8px}.measure-group{border:1px solid #e4e9df;border-radius:12px;background:#f7f8f0;padding:9px 8px;display:flex;flex-direction:column;gap:6px;max-width:100%}.measure-label{font-size:9px;color:#7d887b;padding-left:3px}.measure-notes{display:flex;gap:5px;flex-wrap:wrap}.note-button{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:56px;min-height:89px;padding:8px 7px;gap:2px;border:1px solid #e0e7dc;border-radius:8px;background:#fffffb;color:var(--ink)}.note-symbol{font-family:"Segoe UI Symbol","Apple Symbols",Georgia,serif;font-size:24px;line-height:1.15}.note-pitch{font-size:11px;line-height:1.3}.note-syllable{font-family:Georgia,serif;font-size:12px;line-height:1.4;min-height:17px}.note-beats{font-size:9px;color:var(--muted)}.note-button.is-active{background:var(--teal);border-color:var(--teal);color:white}.note-button.is-active .note-beats{color:#dce9dd}.note-button.rest{color:#82917e;background:#f0f3ea}.tie-hint{font-size:9px;color:#758577}.footer-note{font-size:10px;color:#788371;line-height:2;margin:25px 4px}.load-note{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:25px;color:var(--muted);font-size:13px}
.player{position:fixed;z-index:20;bottom:calc(12px + env(safe-area-inset-bottom));left:16px;right:16px;max-width:1028px;margin:auto;display:flex;align-items:center;gap:20px;justify-content:space-between;padding:16px 21px;border:1px solid #d9e3d4;border-radius:19px;background:#fffffbf2;box-shadow:0 8px 35px #24444a16;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.now{flex:1;min-width:0}.now-label{font-size:10px;letter-spacing:1px;color:#6c806f;margin-bottom:5px}.now-title{font-family:Georgia,"Songti SC","SimSun",serif;font-size:17px;line-height:1.45;overflow-wrap:anywhere}.now-detail{font-size:11px;color:var(--muted);line-height:1.6;margin-top:5px}.now-title.error{color:#a33425}.player-actions{display:flex;gap:7px;flex-shrink:0}
dialog{border:1px solid var(--line);border-radius:18px;background:var(--paper);color:var(--ink);width:min(1100px,95vw);max-height:90dvh;padding:21px;overflow:auto}dialog::backdrop{background:#123336a8}.dialog-head{position:sticky;top:-21px;padding:12px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--paper);z-index:1}.dialog-head h2{font-size:17px;margin:0;font-weight:500}.dialog-hint{font-size:12px;color:var(--muted);margin:3px 0 15px}#score-dialog-body .score-strip{margin-bottom:16px}
.staff-label{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:11px;margin:3px 0 9px}.staff-zoom{border:0;background:transparent;color:var(--teal);font-size:11px;min-height:38px;padding:5px 7px;flex-shrink:0}.staff-row{overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;border-radius:12px;border:1px solid #e5e9df;background:#fffffc;margin:10px 0;scrollbar-width:thin;scroll-behavior:smooth}.staff-row>svg{display:block;width:var(--staff-width);height:var(--staff-height);max-width:none}.notation.is-zoomed .staff-row>svg{width:calc(var(--staff-width)*1.35);height:calc(var(--staff-height)*1.35)}.staff-note,.staff-lyric{cursor:pointer;outline:none}.staff-note .note-hitbox,.staff-lyric .lyric-hitbox{fill-opacity:0;pointer-events:all}.staff-note:hover>.note-hitbox,.staff-note:focus-visible>.note-hitbox,.staff-note.is-active>.note-hitbox{fill:#c2d9cf;fill-opacity:.55}.staff-lyric:hover>.lyric-hitbox,.staff-lyric:focus-visible>.lyric-hitbox,.staff-lyric.is-active>.lyric-hitbox{fill:#dce9d7;fill-opacity:.8}.staff-note.is-active .vf-notehead path{fill:#246765}.staff-lyric.is-active .lyric-text{fill:#246765;font-weight:600}.staff-row.is-current{border-color:#86a99d;box-shadow:0 0 0 1px #86a99d24}
@media(max-width:700px){main{padding:18px 17px 215px}.hero{min-height:280px;padding:31px 28px}.hero-copy{max-width:55%}h1{font-size:36px;letter-spacing:2px}.subtitle{font-size:20px}.intro{font-size:12px}.voices button{gap:7px}.voices span{font-size:16px}.voices small{font-size:8px}.reference-links{width:100%;justify-content:flex-end;margin-top:-4px}.section-heading{align-items:flex-start;flex-direction:column;gap:6px}.phrase-card{padding:19px 17px}.player-actions{gap:5px}.player-actions .button{padding:9px 10px;font-size:12px}.now-title{font-size:16px}}
@media(max-width:520px){main{padding:13px 12px 240px}.hero{min-height:0;padding:22px 22px 125px;border-radius:20px}.hero>img{inset:auto 0 0;height:137px;object-position:right bottom;mask-image:linear-gradient(to bottom,transparent,#000 20%);-webkit-mask-image:linear-gradient(to bottom,transparent,#000 20%)}.hero:after{display:none}.hero-copy{max-width:100%}h1{font-size:34px;letter-spacing:3px;margin:12px 0 9px}.eyebrow{font-size:9px;letter-spacing:1.5px}.subtitle{font-size:19px}.intro{margin:14px 0 0;font-size:12px}.settings{margin-top:19px}.voices{gap:7px}.voices button{flex-direction:column;gap:3px;padding:10px 6px;min-height:67px;border-radius:12px}.voices span{font-size:16px}.voices small{font-size:8px;letter-spacing:.9px}.voice-note{font-size:11px;margin:10px 2px 13px}.modes span{font-size:13px}.modes button{padding:9px;min-height:44px;font-size:18px}.tools{gap:9px;margin:15px 0 21px;justify-content:space-between}.tools>.button{font-size:12px;padding:9px 12px}.speed-label,.loop-label{font-size:11px;gap:6px}.speed-label select{font-size:11px;padding:7px 18px 7px 8px}.reference-links{gap:20px;margin:0}.reference-links a{font-size:12px;min-height:34px}.section-heading h2{font-size:20px}.section-heading p{font-size:11px}.phrase-card{padding:17px 13px;border-radius:16px;margin:12px 0}.phrase-head{gap:7px;align-items:flex-start;margin-bottom:14px}.phrase-head h3{font-size:13px}.phrase-head small{font-size:10px}.phrase-actions{gap:3px}.phrase-actions .button{padding:6px 9px;font-size:11px;min-height:36px}.toggle-score{font-size:10px;min-width:36px}.score-label{font-size:9px;letter-spacing:0}.words{gap:6px}.word{padding:9px 10px;min-height:63px;border-radius:10px}.word .en{font-size:19px}.word .cn{font-size:9px}.note-grid{gap:6px}.measure-group{padding:7px 6px}.note-button{min-width:49px;min-height:87px;padding:7px 5px}.note-pitch{font-size:10px}.note-syllable{font-size:11px}.player{left:10px;right:10px;bottom:calc(8px + env(safe-area-inset-bottom));padding:12px 13px;border-radius:16px;gap:11px;align-items:flex-start}.player-actions{flex-direction:column;gap:5px}.player-actions .button{min-height:32px;padding:5px 10px;font-size:11px}.now-title{font-size:15px}.now-detail{font-size:10px}.now-label{font-size:9px}.footer-note{font-size:9px}dialog{padding:14px;width:96vw;border-radius:13px}.dialog-head{top:-14px}}