:root{--ink:#1d3557;--muted:#526784;--blue:#1654d1;--paper:#f5f7fc;--line:#d9e2f2;--orange:#dc650e}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei",sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,summary{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ef7d21;outline-offset:4px}.topbar{height:86px;background:#ffffff;border-bottom:1px solid var(--line);padding:0 5.2%;display:flex;align-items:center;gap:55px}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:700}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:2px;margin-top:3px}.topbar nav{display:flex;gap:32px;font-size:13px;height:100%;align-items:center}.topbar nav a:first-child{color:var(--blue);font-weight:650}.topbar nav span{color:#536783}.local{margin-left:auto;color:#526784;font-size:11px;letter-spacing:1px;white-space:nowrap}.local i{display:inline-block;background:#e26916;width:6px;height:6px;border-radius:50%;margin-right:6px}main{max-width:1440px;padding:38px 5.2% 60px;margin:auto}.hero{display:grid;grid-template-columns:.9fr 1.1fr;min-height:425px;background:#edf3ff;border:1px solid #d6e1f7;border-radius:22px;overflow:hidden;position:relative}.hero-copy{padding:44px 0 42px 42px;z-index:1;pointer-events:none}.eyebrow{font-size:11px;letter-spacing:2.5px;color:#4c6488;display:flex;align-items:center;gap:9px}.eyebrow:before{content:"";height:1px;width:23px;background:#ef7d21}.hero h1{font-family:"Songti SC","Noto Serif SC",serif;font-size:48px;line-height:1.3;letter-spacing:1px;font-weight:600;margin:23px 0 18px}.hero h1 em{font-style:normal;color:#ad4508}.hero p{color:#4b6387;font-size:13px;line-height:2;max-width:360px}.hero-actions{display:flex;align-items:center;gap:20px;margin-top:26px;pointer-events:auto}.primary{border:0;background:var(--blue);color:white;border-radius:8px;padding:13px 19px;font-size:13px;display:inline-flex;gap:22px;align-items:center}.text-link{font-size:12px;color:#1450bc}.hero-scene{position:relative;min-width:0;background:#f1f5fd}.hero-scene img{width:100%;height:100%;object-fit:contain;position:absolute;inset:0}.scene-tag{position:absolute;bottom:20px;right:24px;background:#ffffffed;padding:9px 13px;border-radius:8px;font-size:10px;letter-spacing:1px;backdrop-filter:blur(8px)}.scene-tag b{display:block;font-size:12px;letter-spacing:0;margin-top:5px}.info-row{display:flex;padding:24px 0;gap:30px;color:#526784;font-size:11px;border-bottom:1px solid var(--line)}.info-row b{font-size:20px;font-weight:500;color:var(--ink);margin-right:7px}.info-row .right{margin-left:auto;align-self:center;font-size:11px}.section-title{display:flex;justify-content:space-between;align-items:end;margin:34px 0 22px}h2{font-size:23px;font-weight:600;letter-spacing:.5px;margin:0 0 8px}.section-title p{margin:0;color:var(--muted);font-size:12px}.search{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);padding:0 14px;border-radius:9px;width:280px}.search input{background:none;border:0;padding:12px 0;outline:none;min-width:0;width:100%;font-size:12px}.search span{font-size:22px;color:#526784}.filters{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:24px}.filter{border:1px solid var(--line);background:transparent;border-radius:7px;padding:9px 16px;font-size:12px;color:#496182}.filter.active{background:var(--blue);color:white;border-color:var(--blue)}.filter span{opacity:.6;margin-left:5px;font-size:10px}.result-count{margin-left:auto;font-size:11px;color:#526784}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff;transition:transform .18s,box-shadow .18s}.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px #163f9a16}.cover{position:relative;display:block;width:100%;aspect-ratio:1.8;background:#e8effc;overflow:hidden}.cover img{width:100%;height:100%;object-fit:cover}.cover .pill{position:absolute;left:14px;top:13px;font-size:10px;background:#ffffffed;border:1px solid #ffffff;padding:5px 8px;border-radius:5px}.cover .arrow{position:absolute;right:14px;bottom:12px;width:29px;height:29px;border-radius:50%;background:#ffffffde;display:grid;place-items:center}.card-body{padding:19px 19px 16px}.card-body h3{font-size:16px;line-height:1.6;margin:0 0 9px;font-weight:600}.card-body p{color:var(--muted);font-size:11px;line-height:1.8;min-height:40px;margin:0 0 16px}.card-bottom{display:flex;border-top:1px solid #e1e7f2;padding-top:12px;font-size:10px;color:#526784;align-items:center}.card-bottom button{margin-left:auto;background:none;border:0;color:#1450bc;font-size:12px;padding:6px}.cube-art{display:grid;place-items:center;height:100%;background:radial-gradient(at 70% 20%,#fff0df,#dce8ff);font-size:76px;color:#1654d1}.cube-art span{display:block;transform:rotate(-20deg);font-family:serif;text-shadow:8px 10px 0 #aec8f4}.more{margin:28px auto 0;display:block;background:#fff;border:1px solid var(--line);padding:11px 30px;border-radius:8px;color:#1450bc;font-size:12px}.empty{grid-column:1/-1;padding:65px;text-align:center;color:#526784;border:1px dashed #c7d7f2;border-radius:12px}.breadcrumbs{font-size:11px;color:#526784;margin-bottom:25px}.detail{display:grid;grid-template-columns:1.1fr 1fr;gap:38px}.detail .cover{border-radius:16px;aspect-ratio:1.35}.detail h1{font-family:"Songti SC",serif;font-size:33px;line-height:1.5;margin:12px 0}.detail p{color:#526784;line-height:1.9}.badge{display:inline-block;padding:6px 10px;border-radius:5px;background:#fff0df;font-size:11px;color:#a94306;margin-right:8px}.meta-list{font-size:11px;color:#526784;line-height:2}.outline{margin-top:30px;padding:25px;border:1px solid var(--line);border-radius:14px;background:#fff}.outline h3{margin-top:0}.outline ol{line-height:2.4;color:#496182;font-size:13px}.secondary{background:#fff;border:1px solid #c7d7f2;border-radius:8px;padding:12px 17px;color:#1450bc;cursor:pointer}.player-page{padding:16px 3%}.player-heading{display:flex;gap:16px;align-items:center;margin-bottom:12px;flex-wrap:wrap}.player-heading h1{font-size:17px;margin:0;flex:1}.back{font-size:12px;color:#1450bc}.player-heading button{padding:8px 12px;font-size:12px}.player-stage{background:#e8effc;border:1px solid #d3dff5;border-radius:12px;height:calc(100vh - 215px);min-height:440px;position:relative;overflow:hidden}.player-stage iframe{width:100%;height:100%;border:0;display:block;background:#f1f5fd}.player-stage:fullscreen{height:100vh;width:100vw;border-radius:0;border:0}.exit-full{display:none;position:absolute;right:12px;top:12px;z-index:9;padding:8px 13px;border:1px solid #ddd;background:#ffffff;border-radius:7px;cursor:pointer}.player-stage:fullscreen .exit-full{display:block}.load-status{position:absolute;inset:0;background:#f1f5fded;display:grid;place-content:center;text-align:center;z-index:5;color:#496182}.load-status[hidden]{display:none}.load-status p{max-width:400px;line-height:1.8}.player-note{display:flex;gap:12px;justify-content:space-between;font-size:10px;color:#526784;padding:12px 0;line-height:1.8}.player-note button{background:none;border:0;color:#1450bc;font-size:11px;cursor:pointer}.workspace{max-width:1000px;margin:auto}.workspace h1{font-family:"Songti SC",serif;font-size:36px}.workspace p{color:#496182;line-height:2}.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}.work-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.work-box h3{font-size:17px}.work-box code{display:block;background:#f1f5fd;border-radius:5px;padding:12px;font-size:11px;overflow:auto;line-height:1.8}.work-box p{font-size:12px}.loading{text-align:center;padding:100px}footer{padding:25px 5.2%;border-top:1px solid var(--line);font-size:10px;color:#526784;display:flex;justify-content:space-between}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#1648a6;color:white;padding:13px 24px;border-radius:9px;display:none;font-size:12px;z-index:30}.notice{padding:12px 16px;border:1px solid #f2d0ab;background:#fff3e5;border-radius:8px;color:#95400b;font-size:12px;line-height:1.8;margin:20px 0}.version{font:10px ui-monospace,monospace;color:#526784;overflow-wrap:anywhere}
@media(min-width:1550px){.hero h1{font-size:54px}.hero{min-height:470px}}@media(max-width:950px){.topbar{gap:25px}.topbar nav{gap:20px}.hero h1{font-size:38px}.hero-copy{padding:32px 0 32px 28px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail{grid-template-columns:1fr 1fr;gap:22px}.hero{min-height:375px}}@media(max-width:650px){.topbar{height:auto;min-height:76px;padding:14px 5%;gap:15px;flex-wrap:wrap}.brand{font-size:17px}.brand small{font-size:9px;letter-spacing:1px}.topbar nav{order:3;width:100%;height:auto;justify-content:space-between;gap:10px;font-size:12px}.local{font-size:10px}.topbar nav a{padding-top:4px}main{padding:22px 5% 36px}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:28px 25px 20px}.hero h1{font-size:35px;margin:16px 0 12px}.hero p{font-size:12px}.hero-actions{margin-top:18px}.hero-scene{height:235px}.scene-tag{font-size:9px;bottom:12px;right:12px}.info-row{gap:15px;flex-wrap:wrap;padding:18px 0}.info-row b{font-size:18px}.info-row .right{width:100%;margin:0;font-size:10px}.section-title{display:block;margin-top:26px}h2{font-size:21px}.search{width:100%;margin-top:18px}.filters{gap:6px}.filter{padding:8px 11px}.result-count{width:100%;margin-top:8px}.grid{grid-template-columns:1fr;gap:17px}.card-body h3{font-size:16px}.detail{display:flex;flex-direction:column;gap:15px}.detail .cover{aspect-ratio:1.7}.detail h1{font-size:26px}.player-page{padding:14px 3%}.player-stage{height:calc(100dvh - 255px);min-height:400px}.player-heading h1{flex-basis:75%;font-size:14px}.player-note{display:block}.player-note button{padding:8px 0}.work-grid{grid-template-columns:1fr}.workspace h1{font-size:28px}footer{display:block;line-height:2}footer span{display:block}}

.player-stage.is-fullscreen{position:fixed;inset:0;width:100vw;height:100dvh;z-index:100;border-radius:0;border:0}.player-stage.is-fullscreen .exit-full{display:block}

[hidden]{display:none!important}

.progress-bar{display:flex;align-items:center;gap:12px;padding:14px 0;font-size:12px;color:#496182;flex-wrap:wrap}.assessment{border:1px solid var(--line);border-radius:12px;padding:20px;background:#fff;margin:8px 0 20px}.assessment h3{margin:15px 0 8px}.assessment p{font-size:13px;line-height:1.8}.answer-options{display:flex;gap:10px;margin:15px 0}.answer-options button{min-width:80px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}td,th{padding:13px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}td small{display:block;color:#526784;max-width:350px;line-height:1.8;margin-top:6px}td button{white-space:nowrap;font-size:11px;padding:8px 10px}.login-form{max-width:500px}.login-form label{display:block;font-size:13px;margin-bottom:20px}.login-form input{display:block;width:100%;padding:12px;margin-top:8px;border:1px solid var(--line);border-radius:6px}#manageSearch{padding:10px;border:1px solid var(--line);border-radius:6px}#packageFile{max-width:100%;margin:15px 0}button:disabled{opacity:.45;cursor:default}

.primary:hover,.filter.active:hover{background:#1046b5}.secondary:hover{background:#edf3ff}.text-link:hover,.back:hover{color:#ad4508}.topbar nav a:hover{color:#ad4508}.workspace>h1,.section-title h2{color:#1648a6}.hero-actions .text-link{color:#ad4508}.badge{border:1px solid #f2d0ab}
.table-wrap table{min-width:700px}.table-wrap td:first-child{min-width:180px}.table-wrap td:nth-child(3){min-width:130px}.table-wrap td:last-child{min-width:220px}.table-wrap td .secondary{display:inline-block;margin:0 5px 6px 0;font-size:11px;padding:8px 10px}

.topbar nav a[aria-current="page"]{color:#1654d1;text-decoration:underline;text-decoration-color:#ef7d21;text-underline-offset:7px;text-decoration-thickness:2px}summary::marker{color:#dc650e}summary:hover{color:#ad4508}details[open]>summary{color:#1654d1}

.brand{flex-direction:column;gap:0;flex-shrink:0}.brand-logo{display:block;width:230px;height:auto;max-width:100%;object-fit:contain}.brand small{margin-top:-7px;color:#1d3557;letter-spacing:2px;font-size:10px}@media(max-width:650px){.brand-logo{width:180px}.brand small{font-size:9px;margin-top:-5px}.topbar{column-gap:10px}}

.tutor-page h1{color:#1648a6;font-family:"Songti SC",serif;font-size:32px}.tutor-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.known-goal{display:grid;grid-template-columns:1fr 1fr;gap:20px;font-size:13px;line-height:2}.tutor-scene{width:100%;height:650px;border:1px solid #d9e2f2;border-radius:12px;background:#f1f5fd}.tutor-page textarea{display:block;width:100%;margin:10px 0 18px;padding:12px;border:1px solid #c7d7f2;border-radius:8px;color:#1d3557;background:white;font:inherit;line-height:1.8}.context-banner{padding:14px;border-left:4px solid #ef7d21;background:#edf3ff}.player-heading>a.secondary{font-size:12px;padding:8px 12px}@media(max-width:650px){.tutor-page .outline{padding:16px}.known-goal{grid-template-columns:1fr;gap:5px}.tutor-scene{height:760px}.tutor-page .hero-actions{flex-wrap:wrap}.topbar nav{gap:8px;flex-wrap:wrap}.tutor-page h1{font-size:26px}}

.english-controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:16px 0}.english-controls span{font-size:12px;color:#496182}#lessonAudio{max-width:100%;width:350px}.english-stage{height:auto;min-height:600px}.english-stage iframe{height:900px}.english-stage:fullscreen,.english-stage.is-fullscreen{height:100dvh}.english-stage:fullscreen iframe,.english-stage.is-fullscreen iframe{height:100%!important}.english-stage .load-status{font-size:14px;padding:20px}@media(max-width:650px){.english-controls button{min-height:44px;padding:10px}.english-stage iframe{height:1400px}.player-heading h1{flex-basis:65%}}
.voice-transport{background:#fff;border:1px solid #d9e2f2;border-radius:12px;padding:14px;margin-bottom:14px}.voice-buttons{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.voice-buttons button{min-height:44px}.voice-buttons label{display:flex;align-items:center;gap:7px;font-size:12px}.voice-buttons select{max-width:280px;min-height:44px;border:1px solid #c7d7f2;color:#1654d1;background:#fff;border-radius:6px;padding:7px}.voice-buttons input[type=range]{width:100px;accent-color:#1654d1}.voice-transport audio{display:block;width:min(100%,560px);margin-top:10px}.voice-transport p{font-size:12px;line-height:1.8;color:#496182}.voice-transport #voiceTranscript{font-size:14px;color:#1d3557;background:#edf3ff;padding:12px;border-left:4px solid #ef7d21;border-radius:6px}.voice-stage{height:720px;min-height:600px}.voice-stage:fullscreen{height:100vh}.voice-stage iframe{height:100%}@media(max-width:650px){.voice-buttons{gap:8px}.voice-buttons select{max-width:225px}.voice-stage{height:760px;min-height:650px}.voice-transport{padding:12px}.voice-page .player-heading h1{flex-basis:65%}}
/* ---- voice页 播放条 · 更多菜单 · 录制模式（统一设计令牌） ---- */
.voice-page{--r-sm:8px;--r-md:10px;--r-lg:14px;--s1:4px;--s2:8px;--s3:12px;--s4:16px;--fs-xs:11.5px;--fs-sm:12.5px;--fs-md:14px;--ring:0 0 0 3px rgba(22,84,209,.28);--ease:cubic-bezier(.2,.7,.2,1)}
.vbar-wrap{position:relative;padding:var(--s2) var(--s3)!important;border-radius:var(--r-lg)!important}
.vbar{display:flex;align-items:center;gap:var(--s2);min-height:48px}
.vbar button,.vmenu button,.vrec-ui button{font:inherit;margin:0;transition:background-color .15s,border-color .15s,color .15s,box-shadow .15s,transform .1s}
.vbar button:focus-visible,.vmenu :is(button,select,input,summary):focus-visible,.vprog-track:focus-visible,.vlink:focus-visible,.vrec-ui button:focus-visible{outline:none;box-shadow:var(--ring)}
.vbar button:active:not(:disabled),.vmenu button:active:not(:disabled){transform:scale(.96)}
.vicon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;padding:0!important;border-radius:var(--r-md);border:1px solid #c7d7f2;background:#fff;color:#1654d1;line-height:0}
.vicon:hover:not(:disabled){background:#eef4ff;border-color:#9fbbef}
.vicon:disabled{opacity:.4;cursor:not-allowed}
.vicon svg,.vauto-start svg,.vmore svg,.vrec-start svg{width:20px;height:20px;fill:currentColor;display:block;flex:none}
.vplay{font-size:0!important;color:#fff;background:#1654d1;border-color:#1654d1;width:48px;height:48px;border-radius:50%}
.vplay:hover:not(:disabled){background:#1146b4;border-color:#1146b4}
.vplay::before,.vtoggle::before{content:"";width:22px;height:22px;background:currentColor;-webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat}
.vplay,.vtoggle[data-state=play]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8.6 5.4v13.2L19 12z'/%3E%3C/svg%3E")}
.vplay[data-state=pause],.vtoggle[data-state=pause]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 5h3.6v14H7zM13.4 5H17v14h-3.6z'/%3E%3C/svg%3E")}
.vplay[data-state=replay]{--ic:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 5V2L7 6l5 4V7a5 5 0 1 1-5 5H5a7 7 0 1 0 7-7z'/%3E%3C/svg%3E")}
.vtoggle{font-size:0!important}.vtoggle::before{width:20px;height:20px}
.vprog{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:6px;padding:0 var(--s1)}
.vprog-top{display:flex;gap:var(--s2);justify-content:space-between;align-items:baseline;font-size:var(--fs-md);color:#1d3557;white-space:nowrap}
#vNodeLabel{overflow:hidden;text-overflow:ellipsis;font-weight:600}#vTime{color:#7086a6;font-variant-numeric:tabular-nums;font-size:var(--fs-xs)}
.vprog-track{height:6px;background:#e3eaf6;border-radius:3px;cursor:pointer;position:relative}
#vFill{position:absolute;inset:0 auto 0 0;width:0;background:#1654d1;border-radius:3px;transition:width .25s linear}
.auto-teach-bar{display:flex;gap:var(--s2)}.auto-teach-bar #atPause,.auto-teach-bar #atStop{display:none}
.auto-teach-bar.running #atPause,.auto-teach-bar.running #atStop{display:inline-flex}.auto-teach-bar.running #atStart{display:none}
.vauto-start{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 16px 0 13px!important;border-radius:var(--r-md);border:1px solid #e8762d;background:#e8762d;color:#fff;font-size:var(--fs-sm)!important;font-weight:600;white-space:nowrap}
.vauto-start:hover:not(:disabled){background:#d4651f;border-color:#d4651f}.vauto-start svg{width:18px;height:18px}
.vmore{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 14px 0 12px!important;border-radius:var(--r-md);border:1px solid #c7d7f2;background:#fff;color:#1654d1;font-size:var(--fs-sm)!important;white-space:nowrap}
.vmore:hover,.vmore[aria-expanded=true]{background:#eef4ff;border-color:#9fbbef}.vmore svg{width:18px;height:18px}
.vbar-wrap p.vstatus{margin:var(--s1) 2px 0;font-size:var(--fs-xs);line-height:1.6;color:#7a8ca6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vstatus #voiceRetry{min-height:24px;padding:0 8px;margin-left:6px;font-size:var(--fs-xs)}
.vguide{margin-top:2px}.vlink{background:none;border:0;color:#1654d1;font-size:var(--fs-sm);padding:4px 2px;min-height:32px;cursor:pointer;border-radius:6px}.vlink:hover{text-decoration:underline}
.vbar-wrap #voiceTranscript{margin:var(--s1) 0 0}
.vaudio{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden;clip:rect(0 0 0 0);opacity:0}
.vmenu{position:absolute;right:var(--s3);top:66px;z-index:40;width:min(440px,calc(100% - 24px));max-height:72vh;overflow:auto;background:#fff;border:1px solid #d9e2f2;border-radius:var(--r-lg);box-shadow:0 16px 44px rgba(20,40,80,.18);padding:var(--s3) var(--s4) var(--s4);transform-origin:top right;animation:vpop .16s var(--ease)}
@keyframes vpop{from{opacity:0;transform:translateY(-6px) scale(.98)}}
.vmenu-head{display:flex;justify-content:space-between;align-items:center}
.vmenu-head b{font-size:var(--fs-md)}.vmenu-head .vicon{width:36px;height:36px;min-width:36px;font-size:20px;line-height:1}
.vmenu h3{font-size:var(--fs-xs);color:#7086a6;margin:var(--s3) 0 var(--s2);font-weight:600;letter-spacing:.04em}
.vmenu-group{padding-bottom:var(--s2)}.vmenu-group+.vmenu-group{border-top:1px solid #eef2f8}
.vgrid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s2)}
.vgrid>button{height:44px;min-height:44px;border-radius:var(--r-md);font-size:var(--fs-sm);width:100%}
.vgrid>button[hidden]{display:none}
.vrow{grid-column:1/-1;display:flex;align-items:center;gap:var(--s2);font-size:var(--fs-sm);min-height:40px}
.vrow input[type=range]{flex:1;accent-color:#1654d1}
.vcheck input{width:18px;height:18px;accent-color:#1654d1}
.vfield select{flex:1;min-height:44px;border:1px solid #c7d7f2;color:#1654d1;background:#fff;border-radius:var(--r-sm);padding:0 10px;font-size:var(--fs-sm)}
.vmenu .auto-teach .voice-buttons{gap:var(--s2) var(--s4)}.vmenu .auto-teach .voice-buttons label{font-size:var(--fs-sm)}
.vmenu .auto-teach select,.vmenu .auto-teach input[type=number]{min-height:36px;border:1px solid #c7d7f2;border-radius:var(--r-sm);padding:0 8px;background:#fff;color:#1d3557;font-size:var(--fs-sm)}
.vmenu details summary{cursor:pointer;font-size:var(--fs-sm);margin:var(--s2) 0;min-height:32px;line-height:32px;border-radius:6px}
.vmuted,.vmenu p.vmeta{font-size:var(--fs-xs)!important;color:#8a9bb3!important;line-height:1.5!important;margin:var(--s2) 0 0}
.voverlay{position:fixed;inset:0;z-index:39;background:transparent}
/* 录制模式 */
.vrec-ui{display:none}
body.vrec{background:#0e1726;overflow:hidden}
body.vrec .topbar,body.vrec footer,body.vrec .player-heading,body.vrec .voice-transport,body.vrec .voice-page>p,body.vrec .notice,body.vrec #toast{display:none!important}
body.vrec .voice-page{padding:0;margin:0;max-width:none}
body.vrec #stage{position:fixed;z-index:100;left:50%;top:50%;transform:translate(-50%,-50%);width:min(100vw,calc(100vh*16/9));height:min(100vh,calc(100vw*9/16));min-height:0;border:0;border-radius:0;margin:0}
body.vrec .vrec-ui:not([hidden]){display:block}
.vrec-exit{position:absolute;top:12px;right:12px;z-index:5;width:32px;height:32px;border-radius:50%;border:0;background:rgba(15,25,45,.35);color:#fff;font-size:18px;line-height:1;opacity:.35}
.vrec-exit:hover,.vrec-exit:focus-visible{opacity:1}
.vrec-start{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:5;display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 26px;border-radius:28px;border:0;background:#e8762d;color:#fff;font-size:18px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.25)}
body[data-at-state=running] .vrec-start,body[data-at-state=paused] .vrec-start,body[data-at-state=finished] .vrec-start{display:none}
.vlower{position:absolute;left:3.5%;right:30%;bottom:5%;z-index:4;pointer-events:none;color:#fff;background:linear-gradient(90deg,rgba(12,24,48,.86),rgba(12,24,48,.62) 70%,rgba(12,24,48,0));border-left:4px solid #e8762d;border-radius:4px;padding:14px 22px 16px;transition:opacity .3s}
.vlower-k{display:block;font-size:clamp(11px,.85vw,15px);letter-spacing:.08em;opacity:.8}
.vlower b{display:block;font-size:clamp(16px,1.6vw,30px);margin:2px 0 6px;font-weight:650}
.vlower p{margin:0;font-size:clamp(12px,1.05vw,20px);line-height:1.5;opacity:.95;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
body:not([data-at-state=running]):not([data-at-state=paused]):not([data-at-state=finished]) .vlower{opacity:0}
@media (min-width:1600px){.vbar{gap:var(--s3)}}
@media (max-width:640px){
 .vbar{gap:6px}.vauto-t,.vmore-t,#vTime{display:none}
 .vauto-start,.vmore{width:44px;padding:0!important}
 .vprog-top{font-size:var(--fs-sm)}
 .voverlay{background:rgba(10,20,40,.45);z-index:59;animation:vfade .2s}
 @keyframes vfade{from{opacity:0}}
 .vmenu{position:fixed;left:0;right:0;bottom:0;top:auto;width:auto;max-height:84vh;border-radius:18px 18px 0 0;padding:var(--s3) var(--s4) calc(var(--s4) + env(safe-area-inset-bottom));z-index:60;animation:vsheet .22s var(--ease)}
 @keyframes vsheet{from{transform:translateY(100%)}}
 body.vsheet-open{overflow:hidden}
 .voice-page .player-heading{flex-wrap:wrap}
 .vlower{right:4%;padding:10px 14px}
}
@media (prefers-reduced-motion:reduce){.vmenu,.voverlay{animation:none!important}.vbar button,.vmenu button{transition:none!important}#vFill{transition:none}}
#atState::before{content:' · '}
.vform{display:grid;gap:8px;margin-top:8px}
.vfrow{display:grid;grid-template-columns:4.5em minmax(0,1fr);align-items:center;gap:8px;font-size:var(--fs-sm)}
.vfrow select,.vfrow input{min-height:40px;width:100%;min-width:0;border:1px solid #c7d7f2;border-radius:var(--r-sm);padding:0 10px;background:#fff;color:#1654d1;font-size:var(--fs-sm);box-sizing:border-box}
.vfctl{display:flex;align-items:center;gap:6px}.vfctl input{width:6em}
.vnodes{display:grid;grid-template-columns:1fr;gap:4px;margin-top:8px;font-size:var(--fs-sm)}
.vhint{margin-left:auto;font-size:12px;color:#c2410c;background:#fff4e8;border-radius:999px;padding:2px 8px}
.vhint-line{display:block;margin:4px 0 0;background:none;padding:0;color:#64748b}
.vdis{opacity:.55;cursor:not-allowed}
.vaudiost::before,#atState::before{content:' · '}
.vbar button{flex-shrink:0}.vmore{min-width:44px}.vprog{min-width:0}

/* 脚本课堂的手机外壳让出场景，首页与其他播放器保持各自布局。 */
.player-tools{display:none}.player-actions{display:flex;gap:8px;align-items:center}
@media(max-width:900px){
 body.cn-script-classroom .topbar{min-height:48px;height:48px;padding:2px 12px;flex-wrap:nowrap;gap:8px}
 body.cn-script-classroom .topbar nav,body.cn-script-classroom .brand small{display:none}
 body.cn-script-classroom .brand-logo{width:130px}
 body.cn-script-classroom .local{font-size:10px;letter-spacing:0}
 body.cn-script-classroom .player-page{padding:6px 8px 20px}
 body.cn-script-classroom .player-heading{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) 44px;gap:8px;margin-bottom:6px;min-height:44px}
 body.cn-script-classroom .player-heading h1{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 body.cn-script-classroom .player-heading .back{font-size:12px;white-space:nowrap}
 body.cn-script-classroom .player-tools{display:grid;place-items:center;width:44px;height:44px;padding:0;font-size:15px;color:#a3430e;border-color:#edc7aa}
 body.cn-script-classroom .player-actions{display:none;position:absolute;z-index:12;right:0;top:calc(100% + 4px);min-width:160px;padding:8px;background:#fff;border:1px solid #e5d9cd;border-radius:12px;box-shadow:0 8px 28px #26374b20}
 body.cn-script-classroom .player-actions.is-open{display:flex;flex-direction:column;align-items:stretch}
 body.cn-script-classroom .player-actions .secondary{font-size:13px;min-height:44px;text-align:left;padding:12px;color:#a3430e}
 body.cn-script-classroom .player-stage{height:calc(100dvh - 116px);min-height:240px;border-radius:12px}
 body.cn-script-classroom .player-stage:fullscreen,body.cn-script-classroom .player-stage.is-fullscreen{height:100dvh;min-height:0}
 body.cn-script-classroom .exit-full{top:58px;right:8px;padding:0;width:44px;height:44px;font-size:0;border-radius:50%;color:#a3430e}
 body.cn-script-classroom .exit-full::before{content:'↙';font-size:22px}
 body.cn-script-classroom .progress-bar{font-size:11px;gap:8px;padding:10px 0}
}
@media(max-width:900px) and (max-height:500px){
 body.cn-script-classroom .topbar{display:none}
 body.cn-script-classroom .player-stage{height:calc(100dvh - 68px);min-height:200px}
 body.cn-script-classroom .player-stage:fullscreen,body.cn-script-classroom .player-stage.is-fullscreen{height:100dvh;min-height:0}
}