:root{color-scheme:light;--ink:#2b2927;--muted:#716d68;--paper:#f5f2eb;--line:#d1ccc3;--accent:#713d45}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 "PingFang SC","Microsoft YaHei",sans-serif}header,main,footer{width:min(1296px,calc(100% - 96px));margin:auto}header{height:122px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:inherit;text-underline-offset:4px}.brand{text-decoration:none;font-size:18px;letter-spacing:2px}.header-account{display:flex;align-items:center;gap:12px}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}#account-menu{position:relative}#account-menu>summary{display:flex;align-items:center;gap:14px;min-height:44px}#account-label{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chevron{font-size:20px}.sponsor-badge{display:inline-flex;align-items:center;justify-content:center;width:52px;height:25px;flex-shrink:0;clip-path:polygon(12% 0,88% 0,100% 50%,88% 100%,12% 100%,0 50%);background:var(--accent);color:#fff9ef;font:italic 700 18px/1 Georgia,serif;letter-spacing:-1px;position:relative}.sponsor-badge:after{content:"";position:absolute;inset:3px;border-top:1px solid #e1c9c1;border-bottom:1px solid #e1c9c1}.account-panel{position:absolute;z-index:5;right:0;top:54px;width:300px;padding:20px;background:#fffcf6;border:1px solid var(--line);box-shadow:0 12px 36px #29272715}.account-panel p{font-size:13px;margin:0 0 14px;line-height:1.8}.account-actions{display:flex;gap:8px;flex-wrap:wrap}.intro{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin:66px 0 46px}.eyebrow{font-size:13px;letter-spacing:4px;color:var(--accent)}h1{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-weight:500;font-size:clamp(48px,6.4vw,86px);line-height:1.32;margin:20px 0 24px;letter-spacing:1px}h1 span{color:var(--accent)}.intro-copy>p{font-size:20px;letter-spacing:1px;margin:0;color:#514c48}figure{margin:0}figure img{display:block;width:100%;height:auto;aspect-ratio:1.56;object-fit:cover}figcaption{font-size:13px;margin-top:10px;color:var(--muted)}.workspace{padding:0 0 64px}label{display:block;font-size:17px;margin-bottom:12px}.input-row{display:flex;gap:14px}input{min-width:0;flex:1;border:1px solid #bcb7af;border-radius:4px;background:#ffffff45;padding:18px 24px;font:inherit;color:var(--ink)}input::placeholder{color:#8a8580}button{border:1px solid var(--line);background:transparent;color:var(--ink);font:inherit;border-radius:4px;padding:12px 20px;cursor:pointer;min-height:44px;transition:background .15s}button:hover{background:#ebe5dc}.primary{background:var(--accent);color:#fffaf3;border-color:var(--accent)}.primary:hover{background:#5e3037}#parse-button{width:240px;min-height:64px;font-size:18px}.primary span{margin-left:16px}button:disabled{opacity:.55;cursor:wait}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.form-meta{display:flex;justify-content:space-between;gap:14px;margin-top:13px;font-size:13px;color:var(--muted)}footer{border-top:1px solid var(--line);padding:24px 0 30px;display:flex;justify-content:space-between;gap:32px;font-size:11px;color:var(--muted)}footer>span{white-space:nowrap;letter-spacing:2px}footer p{margin:0;max-width:660px}#status{padding:12px 16px;background:#eae6dd;border-radius:4px;font-size:14px}#status.error{background:#f3e3df;color:#8f3630}#result{border-top:1px solid var(--line);margin-top:32px;padding-top:28px}.song{display:flex;gap:20px;align-items:center}.cover-wrap{width:76px;height:76px;flex-shrink:0;display:grid;place-items:center;background:#e5ded2;overflow:hidden;font-size:24px}.cover-wrap img{width:100%;height:100%;object-fit:cover}.song-info{min-width:0;flex:1}.song-info .eyebrow{font-size:11px;letter-spacing:1px}h2{font-size:20px;font-weight:500;margin:0 0 10px}.song-info h2{font-family:"Songti SC",serif;font-size:26px;margin:6px 0;overflow-wrap:anywhere}#preview summary{font-size:13px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}audio{width:min(100%,440px);height:36px;margin-top:12px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.lyrics-details{margin-top:24px;border-top:1px solid var(--line);padding-top:20px}.lyrics-details>summary{font-size:13px}.lyrics-heading{display:flex;justify-content:space-between;align-items:center}.lyrics-heading h3{font-size:13px}.lyrics-heading a{font-size:12px;color:var(--muted)}pre{font-family:inherit;font-size:14px;line-height:2;white-space:pre-wrap;overflow-wrap:anywhere;max-height:320px;overflow:auto}.quiet{border-color:transparent;font-size:13px}dialog{width:min(520px,calc(100% - 32px));border:1px solid var(--line);border-radius:8px;padding:28px;color:var(--ink);background:#fcfaf5}dialog::backdrop{background:#27222380}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.dialog-heading h2{margin:0}dialog p{line-height:1.8;font-size:14px}#product-list{display:grid;gap:12px;margin-top:18px}.product-option{text-align:left;display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:18px}.product-option small{display:block;color:var(--muted);margin-top:6px}#payment-panel{text-align:center}#payment-qr{max-width:100%;height:auto;background:white}#checkout-error{color:#a44232}[hidden]{display:none!important}@media(min-width:1500px){.intro{margin-top:66px;margin-bottom:48px}.workspace{padding-bottom:82px}}@media(max-width:800px){header,main,footer{width:calc(100% - 44px)}header{height:84px}.intro{gap:28px;margin:38px 0}h1{font-size:52px}.intro-copy>p{font-size:15px}.eyebrow{font-size:11px;letter-spacing:2px}#parse-button{width:160px}.form-meta{font-size:11px}.workspace{padding-bottom:46px}}@media(max-width:580px){header{height:76px}.brand{font-size:15px}#account-label{max-width:112px;font-size:14px}#account-menu>summary{gap:8px}.sponsor-badge{width:42px;height:22px;font-size:16px}.account-panel{width:min(300px,calc(100vw - 44px))}.intro{display:block;margin:34px 0 30px}h1{font-size:56px;margin:14px 0 18px}.intro-copy>p{font-size:16px}.intro figure{display:none}.input-row{flex-direction:column;gap:10px}input{width:100%;padding:16px;font-size:15px}#parse-button{width:100%;min-height:52px;font-size:16px}label{font-size:15px}.form-meta{flex-wrap:wrap;gap:5px;font-size:11px}.workspace{padding-bottom:46px}footer{flex-direction:column;gap:10px;font-size:10px}.actions{display:grid;grid-template-columns:1fr 1fr}.actions button{padding:10px;font-size:13px}.song-info h2{font-size:23px}.song{gap:14px}.cover-wrap{width:64px;height:64px}dialog{padding:20px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* The viewport is the layout budget. Results replace the editorial hero. */
body{min-height:100svh;min-height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100svh;height:100dvh}
header,main,footer{margin:0 auto}header{height:clamp(60px,10dvh,88px)}main{min-height:0;display:flex;flex-direction:column;justify-content:center;padding:clamp(12px,3dvh,30px) 0;gap:clamp(16px,4dvh,40px)}.intro{flex:1;min-height:0;margin:0;gap:clamp(24px,4vw,64px)}h1{font-size:clamp(40px,min(6vw,9dvh),80px);margin:12px 0 18px;line-height:1.25}.intro-copy>p{font-size:clamp(14px,2.3dvh,20px)}.intro figure{height:100%;max-height:42dvh;min-height:0;display:flex;flex-direction:column;justify-content:center}.intro figure img{min-height:0;height:calc(100% - 28px);object-fit:cover}.workspace{padding:0;flex:none}label{margin-bottom:8px}.input-row input{padding:14px 20px}#parse-button{min-height:52px}.form-meta{margin-top:8px}footer{min-height:48px;padding:8px 0;align-items:center;gap:16px}.footer-note{white-space:normal;letter-spacing:0}footer .quiet{padding:6px 0;min-height:32px;font-size:11px;white-space:nowrap}#status{margin:10px 0 0;padding:8px 12px;font-size:13px}main:has(#result:not([hidden])) .intro{display:none}#result{margin-top:18px;padding-top:18px}.actions{margin-top:16px}#show-lyrics{margin-top:8px;padding-left:0}.song-info h2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}dialog{max-height:calc(100dvh - 40px);overflow:auto}#lyrics-dialog pre{max-height:calc(100dvh - 220px)}#close-lyrics,#close-terms{float:right}.account-panel{max-height:calc(100dvh - 100px);overflow:auto}
@media(max-width:580px){header{height:64px}main{padding:20px 0;gap:24px}.intro{display:flex;align-items:center;flex:1}.intro figure{display:none}h1{font-size:clamp(38px,8.2dvh,56px);margin:12px 0 18px}.intro-copy>p{font-size:15px}.input-row{gap:8px}.input-row input{padding:12px 14px}#parse-button{min-height:46px}.form-meta{font-size:10px;gap:4px}footer{flex-direction:row;flex-wrap:wrap;justify-content:space-between;gap:2px 10px;padding:8px 0;font-size:10px}.footer-note{display:none}.song-info h2{font-size:22px}.actions{gap:8px}.actions button{min-height:42px;padding:8px}#result{margin-top:12px;padding-top:12px}}
@media(max-height:560px){header{height:52px}main{gap:12px;padding:10px 0}.eyebrow{font-size:10px}h1{font-size:36px;margin:6px 0 10px}.intro-copy>p{font-size:13px}.intro figure{max-height:34dvh}footer{min-height:36px;padding:2px 0}.input-row{flex-direction:row}.input-row input{width:auto}#parse-button{width:130px;min-height:44px;font-size:14px}.form-meta{font-size:10px}label{font-size:13px}.actions{display:flex;margin-top:8px}.actions button{min-height:36px;padding:6px 12px}#result{margin-top:8px;padding-top:8px}.cover-wrap{width:48px;height:48px}#status{font-size:11px;padding:4px 8px}.song-info h2{font-size:19px;margin:2px 0}}
#show-preview{min-height:30px;padding:2px 0;font-size:12px;color:var(--accent)}#preview audio{width:100%;margin-top:20px}main:has(#result:not([hidden])){gap:0}.song-info h2{-webkit-line-clamp:1}#show-lyrics{min-height:32px;padding-top:4px;padding-bottom:4px}
@media(max-width:580px){main:has(#result:not([hidden])){padding:12px 0}.song-info h2{font-size:20px}.song-info .eyebrow{font-size:10px}#status{font-size:12px;padding:6px 10px}.actions{margin-top:10px}}
@media(max-height:560px) and (min-width:581px){#result{display:grid;grid-template-columns:1fr auto;gap:4px 20px;align-items:center}.actions{margin:0}#show-lyrics{grid-column:2;justify-self:end;margin:0}.song-info h2{max-width:40vw}.form-meta{margin-top:4px}main:has(#result:not([hidden])) label{display:none}}
/* Tool-first, single-screen edition. */
body{grid-template-rows:auto minmax(0,1fr)}header{height:clamp(60px,10dvh,88px)}main{width:min(1000px,calc(100% - 96px));justify-content:center;gap:32px;padding:24px 0 10dvh}.intro{display:block;flex:none;min-height:0;text-align:center;margin:0}.intro h1{font-size:clamp(28px,3.8vw,48px);line-height:1.3;margin:0 0 16px;letter-spacing:0}.intro>p{font-size:18px;color:var(--muted);margin:0}.workspace{width:100%}#parse-form>label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.input-row{gap:0}input{border-color:#b2999d;border-radius:5px 0 0 5px;padding:18px 24px;font-size:17px}#parse-button{border-radius:0 5px 5px 0;width:200px;min-height:64px}.form-meta{justify-content:center;text-align:center;margin-top:20px;font-size:14px}.help-entry{text-align:center;margin-top:18px}#show-terms{font-size:13px;color:var(--accent);padding:8px 16px;min-height:40px}#show-terms:hover{background:#eee6e3}#terms-dialog{width:min(560px,calc(100% - 32px));padding:28px 32px}#terms-dialog .dialog-heading{padding-bottom:12px}#terms-title{font-family:"Songti SC",serif;font-size:26px}.instructions{border-top:1px solid var(--line);padding:14px 0}.instructions h3{font-size:16px;margin:0 0 10px}.instructions ol{padding-left:24px;margin:0;font-size:14px}.instructions li{padding:4px 0 4px 6px}.instructions li::marker{color:var(--accent)}.instructions dl{display:grid;grid-template-columns:48px 1fr;gap:8px 12px;margin:0;font-size:14px}.instructions dt{color:var(--accent)}.instructions dd{margin:0}.instructions p{font-size:13px;margin:8px 0}.acknowledge{text-align:center}.acknowledge button{min-width:140px;color:var(--accent);border-color:var(--accent)}main:has(#result:not([hidden])){padding:18px 0;gap:0}.workspace:has(#result:not([hidden])) .help-entry{margin-top:8px}#result{margin-top:12px}
@media(max-width:580px){main{width:calc(100% - 40px);gap:26px;padding:20px 0 12dvh}.intro{display:block}.intro h1{font-size:clamp(27px,7.8vw,38px);margin-bottom:12px}.intro>p{font-size:14px}.input-row{flex-direction:column;gap:8px}.input-row input{width:100%;border-radius:4px;padding:14px;font-size:16px}#parse-button{width:100%;border-radius:4px;min-height:48px;font-size:16px}.form-meta{font-size:11px;margin-top:14px}.help-entry{margin-top:14px}#terms-dialog{padding:20px}.instructions{padding:10px 0}.instructions li{padding-top:2px;padding-bottom:2px}}
@media(max-height:560px){main{gap:18px;padding:14px 0}.intro h1{font-size:30px;margin-bottom:8px}.intro>p{font-size:14px}#parse-button{min-height:46px}.input-row input{padding:10px 16px}.form-meta{margin-top:10px}.help-entry{margin-top:6px}main:has(#result:not([hidden])){padding:8px 0}.workspace:has(#result:not([hidden])) .help-entry{position:absolute;right:48px;top:8px}#result{margin-top:8px}}