.brand .logo{font-family:Georgia,'Songti SC',serif}
.lockup-cn{letter-spacing:.04em}
html[lang=en] .lockup-cn{font:600 19px/1.1 Georgia,'Songti SC',serif;letter-spacing:.02em}
.lockup-co i{font-style:italic}
header{display:flex;justify-content:space-between;align-items:center}
.demotag{font-size:12px;color:#8b5334;background:#f3e9de;border-radius:12px;padding:3px 10px}
#leveltabs a small{white-space:nowrap}
.bookhead{display:flex;gap:14px;align-items:center;margin:4px 0 8px}
.bookthumb{width:64px;height:auto;aspect-ratio:3/4;border-radius:6px;box-shadow:0 2px 6px #0002;flex:0 0 auto}
.bookhead h3{margin:0;font-size:17px}.bookhead p{margin:4px 0 0}
.lesson-columns h4{margin:16px 0 6px;font-size:14px;color:var(--muted)}
.lesson-columns .links .btn{white-space:normal;text-align:left}
.bookhero{display:flex;gap:20px;align-items:center;margin:0 0 20px}
.bookhero img{width:120px;border-radius:8px;box-shadow:0 4px 12px #0002}
.bookhero p{margin:4px 0}
.unittable td{vertical-align:middle}.unittable td:first-child{min-width:200px}
.unittable td .links{margin:0}.unittable tr.hl td{background:#fbf3e8}
.unittable td a{margin-right:8px;white-space:nowrap}
.shelfcard .shelfcover img{object-fit:cover}
.lc .cv img{object-fit:cover}
.empty.planned{text-align:left;padding:24px}
.empty.planned h2{margin-top:0}
.planslots{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;margin-top:14px}
.planslots .upslot{margin:0}
.demonote{margin:0;font-size:13px;color:#8b5334;background:#fbf3e8;border-radius:6px;padding:8px 10px}
.about{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.about .panel h2{font-size:18px;margin-top:0}.about ul{margin:0;padding-left:20px;line-height:1.8}
.flowstep{padding:6px 0;border-top:1px dashed var(--line)}.flowstep:first-of-type{border-top:0}
.flowstep small{margin-left:6px}.flowstep p{margin:2px 0 4px;font-size:14px}
.lessonplan dl{grid-template-columns:72px 1fr}
@media(max-width:720px){
  header{display:none}
  .lockup-cn,html[lang=en] .lockup-cn{font-size:16px}
  .bookhero img{width:84px}
  .unittable td:first-child{min-width:0}
  .unittable tr{grid-template-columns:1fr}
  .unittable td:last-child{grid-column:1;grid-row:auto}
}
@media(max-width:720px){.zoom-controls [data-zoom]{display:none}}
.page-sheet img{background:#fffdf8}

#leveltabs{grid-template-columns:repeat(6,minmax(0,1fr))}
html[lang=en] .titleline h1,html[lang=en] .levelnumber{font-family:Georgia,'Songti SC',serif}
.lc .n{left:auto;right:5px}
.shelfcover img,.shelfcard .shelfcover img{object-fit:contain;transform:none;background:none}
@media(max-width:720px){
  header{display:flex;height:auto;padding:6px 16px;border:0;background:none;justify-content:flex-start}
  header #breadcrumb{display:none}
  .classrhythm{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:10px 12px;margin:0 0 12px}
  .classrhythm span{display:none}.classrhythm b{font-size:13px}
  .syslegend{display:flex}
  .page-sheet.whole{height:auto;width:100%}
  .page-sheet.whole img{height:auto;width:100%;flex:none}
  .inline-stage.whole{overflow:auto}
}
.lessonplan dl{grid-template-columns:max-content 1fr;column-gap:16px}

button.demotag{border:0;cursor:pointer;font:inherit;font-size:12px}button.demotag:hover{background:#eee1d2}button.demotag.on{background:#e3f0e6;color:#2f6b45}

.audiorow{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:10px 0;padding:10px 12px;background:#fbf6ee;border-radius:8px}
.audiorow span{font-size:14px;font-weight:600;color:var(--ink)}.audiorow small{font-weight:400;color:var(--muted)}
.audiorow select{max-width:100%;font-size:13px}.audiorow audio{width:100%;height:36px}
.lockednote{font-size:13px;color:var(--muted);background:#f3ede3;border-radius:8px;padding:8px 10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.unitres{border:1px solid var(--line);border-radius:8px;margin:8px 0;padding:8px 12px;background:#fffdf9}.unitres summary{font-weight:600}