:root{--g:#1e7a46;--g2:#e5f2ea;--g3:#f4f8f5;--ink:#1d2621;--sub:#5f6d66;--line:#e3ebe6;--red:#c0392b;--amber:#b7791f;--r:14px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:#fff;color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif}
body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
a{color:var(--g);text-decoration:none}
button{font:inherit;cursor:pointer}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;height:50px;padding:0 8px;background:#fff;border-bottom:1px solid var(--line)}
.topbar h1{flex:1;text-align:center;font-size:17px;margin:0;font-weight:600}
.topbar .back,.topbar .spacer{width:40px;height:40px;border:0;background:none;font-size:28px;color:var(--g);line-height:1}
.topbar .back.hide{visibility:hidden}
main{max-width:720px;margin:0 auto;padding:14px 14px 24px}
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;padding:6px 0 4px;color:#8a9690;font-size:11px}
.tabbar a i{font-style:normal;font-size:20px;line-height:1.2;filter:grayscale(1);opacity:.7}
.tabbar a.on{color:var(--g);font-weight:600}
.tabbar a.on i{filter:none;opacity:1}
.hidden{display:none!important}
.loading,.empty{text-align:center;color:var(--sub);padding:40px 10px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:12px}
.card.soft{background:var(--g3);border-color:var(--g2)}
.hero{background:var(--g);color:#fff;border-radius:var(--r);padding:18px;margin-bottom:12px}
.hero h2{margin:0 0 4px;font-size:20px}
.hero .meta{opacity:.9;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.stats div{background:rgba(255,255,255,.14);border-radius:10px;padding:8px;text-align:center}
.stats b{display:block;font-size:20px}
.stats span{font-size:12px;opacity:.9}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tile{display:block;background:var(--g3);border:1px solid var(--g2);border-radius:var(--r);padding:14px;color:var(--ink)}
.tile b{display:block;font-size:16px;color:var(--g)}
.tile span{font-size:13px;color:var(--sub)}
.tile .badge{float:right}
.badge{display:inline-block;min-width:20px;padding:0 7px;border-radius:10px;background:var(--g);color:#fff;font-size:12px;line-height:20px;text-align:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--g);background:var(--g);color:#fff;border-radius:12px;padding:10px 16px;font-size:15px;font-weight:600}
.btn.ghost{background:#fff;color:var(--g)}
.btn.light{background:var(--g2);border-color:var(--g2);color:var(--g)}
.btn.small{padding:5px 10px;font-size:13px;border-radius:9px}
.btn.block{display:flex;width:100%}
.btn:disabled{opacity:.5}
.btn.danger{background:#fff;color:var(--red);border-color:#f0c9c4}
.row{display:flex;gap:8px;align-items:center}
.row.wrap{flex-wrap:wrap}
.between{justify-content:space-between}
input,textarea,select{font:inherit;width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}
input:focus,textarea:focus{border-color:var(--g);box-shadow:0 0 0 3px var(--g2)}
textarea{min-height:90px;resize:vertical}
label.f{display:block;font-size:13px;color:var(--sub);margin:10px 0 4px}
.auth{max-width:380px;margin:30px auto}
.auth .logo{font-size:44px;text-align:center;color:var(--g);font-weight:700}
.seg{display:flex;background:var(--g3);border-radius:12px;padding:3px;margin:14px 0}
.seg button{flex:1;border:0;background:none;padding:8px;border-radius:10px;color:var(--sub)}
.seg button.on{background:#fff;color:var(--g);font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.levels{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.levels button{border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px;text-align:left}
.levels button b{display:block;color:var(--g)}
.levels button span{font-size:12px;color:var(--sub)}
.levels button.on{border-color:var(--g);background:var(--g2)}
.tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:8px;background:var(--g2);color:var(--g);margin-right:4px;vertical-align:middle}
.tag.gray{background:#eef1ef;color:var(--sub)}
.tag.warn{background:#fdf3e1;color:var(--amber)}
.word-title{font-size:30px;font-weight:700;letter-spacing:.3px;margin:4px 0}
.zh{font-size:18px;color:var(--ink)}
.sec{margin-top:14px}
.sec h4{margin:0 0 6px;font-size:13px;color:var(--g);font-weight:700;display:flex;align-items:center;gap:6px}
.sec h4:before{content:"";width:3px;height:13px;border-radius:2px;background:var(--g)}
.sec p{margin:0}
.sec ul{margin:0;padding-left:18px}
.sec li{margin:3px 0}
.ex{padding:8px 10px;border-radius:10px;background:var(--g3);margin-bottom:6px}
.ex .es{font-size:16px}
.ex .cn{font-size:13px;color:var(--sub)}
.tok{cursor:pointer;border-radius:4px;padding:0 1px;border-bottom:1px dashed #9cc7ad}
.tok:active,.tok.on{background:var(--g2)}
.sentence{font-size:20px;line-height:1.8;word-break:normal}
.pager{display:flex;align-items:center;justify-content:space-between;color:var(--sub);font-size:13px;margin-bottom:8px}
.progress{height:4px;background:var(--g2);border-radius:2px;overflow:hidden;margin-bottom:12px}
.progress i{display:block;height:100%;background:var(--g);transition:width .2s}
.ratebar{position:sticky;bottom:calc(64px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(4,1fr);gap:6px;background:#fff;padding:8px 0}
.ratebar button{border:1px solid var(--line);background:#fff;border-radius:12px;padding:8px 2px;font-size:13px;line-height:1.3}
.ratebar button b{display:block;font-size:14px}
.ratebar button small{color:var(--sub)}
.ratebar .again b{color:var(--red)}.ratebar .hard b{color:var(--amber)}.ratebar .good b{color:var(--g)}.ratebar .easy b{color:#1565c0}
.swipe{touch-action:pan-y;transition:transform .2s}
.conj table{width:100%;border-collapse:collapse;font-size:14px}
.conj td{padding:4px 6px;border-bottom:1px solid var(--line)}
.conj td:first-child{color:var(--sub);width:42%}
.conj details{border:1px solid var(--line);border-radius:12px;margin-bottom:8px;overflow:hidden}
.conj summary{padding:10px 12px;font-weight:600;color:var(--g);background:var(--g3);cursor:pointer;list-style:none}
.conj summary::-webkit-details-marker{display:none}
.conj .tense{padding:6px 12px 10px}
.conj .tense h5{margin:8px 0 2px;font-size:13px;color:var(--ink)}
.conj .hl{background:#fff4c2}
.bd{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.bd:last-child{border-bottom:0}
.bd .w{min-width:84px;font-weight:600;color:var(--g)}
.bd .m{flex:1;font-size:14px}
.bd .m small{display:block;color:var(--sub)}
.err{background:#fff6f5;border:1px solid #f4d6d2;border-radius:10px;padding:8px 10px;margin-bottom:6px;font-size:14px}
.err s{color:var(--red)}.err b{color:var(--g)}
.ok{color:var(--g);font-weight:600}
.list a.item,.list div.item{display:flex;align-items:center;gap:10px;padding:12px 4px;border-bottom:1px solid var(--line);color:var(--ink)}
.list .item .w{font-weight:600;min-width:90px}
.list .item .c{flex:1;color:var(--sub);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chips{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;margin-bottom:8px}
.chips button{flex:none;border:1px solid var(--line);background:#fff;border-radius:16px;padding:4px 12px;font-size:13px;color:var(--sub)}
.chips button.on{background:var(--g);border-color:var(--g);color:#fff}
.sheet{position:fixed;inset:0;z-index:50}
.sheet-mask{position:absolute;inset:0;background:rgba(0,0,0,.35)}
.sheet-body{position:absolute;left:0;right:0;bottom:0;max-height:86vh;overflow:auto;background:#fff;border-radius:18px 18px 0 0;padding:6px 16px calc(20px + env(safe-area-inset-bottom));max-width:720px;margin:0 auto;animation:up .2s}
@keyframes up{from{transform:translateY(40px);opacity:.5}to{transform:none;opacity:1}}
.sheet-handle{width:40px;height:4px;border-radius:2px;background:#d5ddd8;margin:6px auto 10px}
.toast{pointer-events:none;position:fixed;left:50%;top:40%;transform:translateX(-50%);background:rgba(20,30,25,.88);color:#fff;padding:10px 16px;border-radius:12px;z-index:80;max-width:80vw;text-align:center;font-size:14px}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--g2);border-top-color:var(--g);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.wait{display:flex;align-items:center;gap:8px;color:var(--sub);padding:14px 0;font-size:14px}
.note{font-size:13px;color:var(--sub)}
.flash .prompt{font-size:20px;font-weight:600;margin:6px 0 10px}
.flash .answer{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.res-correct{color:var(--g)}.res-partial{color:var(--amber)}.res-wrong{color:var(--red)}
@media (min-width:700px){main{padding-top:20px}.grid2{grid-template-columns:repeat(3,1fr)}}
/* ---- 多语言 ---- */
.langbar{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.langbar .chips{margin-bottom:0;padding-bottom:0}
.chips.langs button{font-size:14px;padding:5px 14px}
.seg a{flex:1;display:flex}
.seg a button{flex:1}
.jp{font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP","Noto Sans CJK JP",-apple-system,"PingFang SC",sans-serif}
ruby rt{font-size:.5em;color:var(--sub);font-weight:400}
.word-title ruby rt{font-size:.42em}
.particle{color:#c05621;font-weight:600}
.tok.particle{border-bottom-color:#f0b37e}
.ipa{font-family:"Lucida Sans Unicode","Arial Unicode MS","Segoe UI","Noto Sans",sans-serif}
.speak{padding:2px 8px;margin-left:6px;font-size:14px;vertical-align:middle;border-radius:10px}
.jtable{width:100%;border-collapse:collapse}
.jtable td,.jtable th{padding:6px 4px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.jtable th{font-size:12px;color:var(--sub);font-weight:600}
.jtable td:first-child{color:var(--sub);font-size:13px;white-space:nowrap;width:96px}
.jtable.irr td:first-child{color:var(--ink);font-size:15px;width:auto}
.jtable tr.hl td{background:#fff6d6}
.ja-conj .jp{font-size:18px}
.kana-grid{display:grid;gap:6px;margin-bottom:10px}
.kana-cell{border:1px solid var(--line);background:#fff;border-radius:10px;padding:6px 2px;display:flex;flex-direction:column;align-items:center;min-height:72px;cursor:pointer}
.kana-cell b{font-size:24px;line-height:1.2;color:var(--ink);font-weight:500}
.kana-cell span{font-size:12px;color:var(--g);font-weight:600}
.kana-cell small{font-size:11px;color:var(--sub)}
.kana-cell.empty{border:0;background:none;cursor:default}
.kana-cell:active{background:var(--g2)}
.confuse-row{display:flex;gap:8px}
.confuse-row .kana-cell{flex:1;min-height:64px}
.confuse-row .kana-cell b{font-size:32px}
.quiz-q{font-size:56px;text-align:center;font-weight:600;margin:10px 0 14px;color:var(--ink)}
.quiz-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.qopt{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px;font-size:20px;color:var(--ink)}
.qopt.jp{font-size:28px}
.qopt.right{border-color:var(--g);background:var(--g2);color:var(--g)}
.qopt.wrongpick{border-color:var(--red);background:#fdecea;color:var(--red)}
.pairs{display:flex;flex-wrap:wrap;gap:6px}
.pair{background:var(--g3);border-radius:10px;padding:4px 8px}
.chips a{flex:none}
/* 语法 / 词源 / 批量导入 / 模板 */
.glinks a{display:inline-block;margin:2px 12px 0 0;font-size:13px}
.ety p{margin:0 0 6px}
.ety ul{margin:0 0 4px}
details.bulk{margin-top:10px}
details.bulk summary{cursor:pointer;color:var(--g);font-size:14px}
details.bulk textarea{margin-top:8px;min-height:110px}
.bulk-progress{margin-top:10px}
.lesson ul{padding-left:20px}
.exq{margin-bottom:8px}
.exq p{margin:0 0 2px}
details.ans summary{cursor:pointer;color:var(--g);font-size:13px}
table.tpl{width:100%;border-collapse:collapse;font-size:13px}
table.tpl{table-layout:fixed}
table.tpl td{border-top:1px solid var(--line);padding:6px 4px;vertical-align:top;overflow-wrap:anywhere;word-break:break-word}
table.tpl td:first-child{width:34%}
pre.tpl-json{white-space:pre-wrap;word-break:break-all;font-size:12px;background:var(--g2);padding:8px;border-radius:8px;max-height:320px;overflow:auto}
/* 纠错卡片（句子讲解最上面） */
.corr{border-radius:12px;padding:10px 12px;margin-top:10px;border:1px solid #e5e5e5}
.corr.good{background:#f1faf3;border-color:#cfe9d6}.corr.bad{background:#fff6f5;border-color:#f4d6d2}.corr.info{background:#f5f8ff;border-color:#d8e2f7}
.corr .verdict{font-size:17px;font-weight:700;margin:2px 0 8px}.verdict.ok{color:var(--g)}.verdict.bad{color:var(--red)}
.errtab{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:8px}
.errtab th{text-align:left;font-weight:600;color:#888;font-size:12px;padding:4px 6px;border-bottom:1px solid #eee}
.errtab td{padding:6px;border-bottom:1px solid #f0e0de;vertical-align:top}.errtab s{color:var(--red)}.errtab b{color:var(--g)}
@media (max-width:560px){.errtab thead{display:none}.errtab tr{display:block;padding:6px 0;border-bottom:1px solid #f0e0de}.errtab td{display:block;border:0;padding:2px 0}
.errtab td::before{content:attr(data-label) "：";color:#999;font-size:12px}}
.corr .fix{margin:6px 0}.corr .alts p{margin:4px 0}
/* 长按查词：触屏上关掉系统选词菜单（输入框仍可选中） */
@media (pointer:coarse){#view,#sheetContent{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
#view input,#view textarea,#sheetContent input,#sheetContent textarea{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}}
.kbsrc{color:#aaa;font-size:11px;margin-left:4px;white-space:nowrap}
.kb-sheet .zh{margin:4px 0}
#kbMore .sec:first-of-type{margin-top:8px}
.chips a{flex:none;border:1px solid var(--line);background:#fff;border-radius:16px;padding:4px 12px;font-size:13px;color:var(--sub);text-decoration:none}
.chips a.on{background:var(--g);border-color:var(--g);color:#fff}
/* 闪卡批改 */
.ratebar button.suggest{outline:3px solid var(--g);outline-offset:1px;transform:translateY(-1px)}
.suggest-note{margin:10px 0 4px;text-align:center}
#gradeCard{margin-bottom:10px}
.ai-err{background:#fff8ec;border:1px solid #f1d7a6;border-radius:12px;padding:10px 12px;margin:10px 0}
.ai-err b{color:#a15c00}.ai-err p{margin:4px 0 8px;font-size:14px}
/* 日语注音层 */
.topbar .jr-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--sub);font-size:16px;line-height:1;position:relative;padding:4px 0 0}
.topbar .jr-btn.on{background:var(--g);border-color:var(--g);color:#fff}
.topbar .jr-btn.hide{display:none}
.topbar .jr-btn rt{font-size:9px}
.topbar .jr-btn s{position:absolute;left:6px;right:6px;top:50%;border-top:2px solid #c0392b;transform:rotate(-30deg)}
.jrw{overflow-wrap:anywhere}
.jr{display:inline-flex;flex-direction:column;align-items:center;vertical-align:baseline;margin:0 1px;line-height:1.25;text-indent:0;max-width:100%}
.jr .jrb{white-space:nowrap}
.jr .jrb ruby rt{font-size:.55em;color:var(--g);font-weight:400;letter-spacing:0}
.jr .jro{font-size:.58em;color:var(--sub);font-weight:400;letter-spacing:0;white-space:nowrap;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-style:normal}
.jr.pt .jro{color:#b06a00}
.jr .jpy{display:none;font-size:.52em;color:#8a6d3b;font-weight:400;white-space:nowrap}
body.jpy-on .jr .jpy{display:block}
.switch{display:flex;gap:8px;align-items:center;margin:6px 0;font-size:15px}
.switch input{width:18px;height:18px}
.tts-row{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-top:1px solid var(--line)}
.tts-row .note{font-size:12px}
.speak.busy{opacity:.55;animation:ttsPulse 1s infinite}
@keyframes ttsPulse{50%{transform:scale(.9)}}
/* 视频学习 */
.vid-pick{cursor:pointer}
.vid-pick.disabled{opacity:.5;pointer-events:none}
.vid-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.list div.item.vid-item{flex-wrap:wrap;gap:6px 10px}
.vid-main{display:flex;align-items:center;gap:10px;flex:1;min-width:0;color:var(--ink)}
.vid-txt{display:flex;flex-direction:column;flex:1;min-width:0}
.vid-txt b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vid-ico{font-size:22px;flex:none}
.vid-ico.big{font-size:56px}
.vid-ops{display:flex;gap:6px;flex:none}
.vid-player{display:block;width:100%;max-height:70vh;background:#000;border-radius:12px}
.vid-audio{display:flex;flex-direction:column;align-items:center;gap:12px;padding:28px 14px;background:#fff;border:1px solid var(--line);border-radius:12px}
.vid-audio audio{width:100%}
.vid-subs{margin-top:12px}
main:has(.vid-layout){max-width:1100px}
@media (min-width:900px){.vid-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:16px;align-items:start}.vid-subs{margin-top:0}}
/* 视频字幕（第 3 阶段） */
.sub-list{position:relative;max-height:46vh;overflow-y:auto;margin-top:6px;-webkit-overflow-scrolling:touch}
.sub-line{display:flex;gap:10px;align-items:baseline;padding:9px 8px;border-radius:10px;cursor:pointer;line-height:1.5}
.sub-line+.sub-line{margin-top:2px}
.sub-line:hover{background:#f5f7f6}
.sub-t{flex:none;font-size:12px;color:var(--sub);font-variant-numeric:tabular-nums;min-width:34px}
.sub-x{font-size:19px;color:var(--ink)}
.sub-line.on{background:var(--g2)}
.sub-line.on .sub-x{color:var(--g);font-weight:600}
@media (min-width:900px){.sub-list{max-height:calc(100vh - 210px)}.sub-x{font-size:20px}}
/* 账号管理 */
.inv-code{font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:1px}
.inv-new{margin-top:12px;padding:12px;border-radius:12px;background:var(--g2)}
.inv-new .inv-code{font-size:24px;color:var(--g)}
.list .item.user-item .c{white-space:normal;line-height:1.5}
/* 视频学习：单句复读 / 跟读 / 播放模式 */
.sub-x{flex:1;min-width:0}
.sub-ops{flex:none;display:flex;align-items:center;gap:4px;align-self:center}
.sub-btn{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:13px;line-height:1;padding:0;color:var(--g);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.sub-btn:hover{background:var(--g2)}
.sub-line.rep{background:#fff6e0}
.sub-line.rep [data-act=rep]{background:var(--g);color:#fff;border-color:var(--g)}
.sub-sc{font-size:11px;font-weight:700;border-radius:9px;padding:1px 6px;font-variant-numeric:tabular-nums}
.sub-sc.hi,.shd-score.hi{color:#1b8a4b;background:#e3f5ea}.sub-sc.mid,.shd-score.mid{color:#a86b00;background:#fff1d6}.sub-sc.lo,.shd-score.lo{color:#c0392b;background:#fde8e6}
.vid-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 10px;margin-top:12px;position:sticky;bottom:calc(60px + env(safe-area-inset-bottom));z-index:10;box-shadow:0 -2px 10px rgba(0,0,0,.05)}
.vid-bar .seg{margin:0;flex:1 1 auto}
.vid-modes button{white-space:nowrap}
.vid-sel{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--sub);white-space:nowrap}
.vid-sel select{padding:4px 6px;font-size:13px;width:auto;min-width:0}
@media (min-width:900px){.vid-subs{grid-row:span 2}.vid-bar{grid-column:1;position:static;box-shadow:none;margin-top:0}}
.shd-ref{font-size:20px;line-height:1.5;margin:4px 0 8px}
.shd-opt{display:flex;align-items:center;gap:6px}
.shd-opt input{width:auto;margin:0}
.shd-state{margin-top:8px}
.shd-rec{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.shd-dot{width:10px;height:10px;border-radius:50%;background:#e53935;animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}
.shd-meter{flex:1;min-width:60px;height:6px;border-radius:3px;background:#eef2f0;overflow:hidden}
.shd-meter i{display:block;height:100%;width:0;background:var(--g);transition:width .1s}
.shd-res{margin-top:10px;border-top:1px solid var(--line);padding-top:10px}
.shd-score{font-size:30px;min-width:64px;text-align:center;border-radius:12px;padding:4px 8px}
.shd-words{font-size:20px;line-height:1.7;margin:8px 0 4px}
.shd-w.ok{color:#1b8a4b}.shd-w.close{color:#b7791f;text-decoration:underline dotted}.shd-w.wrong,.shd-w.missed{color:#c0392b;font-weight:600}.shd-w.missed{text-decoration:line-through}
@media (max-width:899px){.vid-bar{padding:6px 8px;gap:6px 10px}.vid-modes button{padding:6px 4px;font-size:13px}}
/* 卡拉 OK 逐词高亮 + 中文翻译 */
.sub-w{display:block}
.kw{border-radius:4px;transition:background-color .12s,color .12s}
.sub-line.on .sub-x{font-weight:400}
.sub-line.on .kw{color:var(--ink)}
.sub-line.on .kw.done{color:var(--g);font-weight:600}
.sub-line.on .kw.now{color:#fff;background:var(--g);font-weight:600;box-shadow:0 0 0 2px var(--g)}
.sub-zh{display:block;font-size:15px;color:var(--sub);margin-top:2px;font-weight:400;cursor:text}
.sub-zh.empty{display:none}
.sub-line.on .sub-zh{color:#3d5c4c}
.sub-list.no-zh .sub-zh{display:none}
#zhToggle.on{background:var(--g2);color:var(--g)}
#subTr{margin:4px 0 0}
#subTr:empty{display:none}
#trText{width:100%;font-size:16px}
@media (min-width:900px){.sub-zh{font-size:16px}}
/* 阅读 */
.rd-tools{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin:0 0 10px}
.rd-tools .btn.on{background:var(--g);color:#fff;border-color:var(--g)}
.rd-hint{flex:1 1 200px;font-size:13px}
.rd-lang{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.rd-status{margin-bottom:10px}
.rd-status.bad{border-color:#f0c9c4}
.rd-text{font-size:18px;line-height:1.85;padding-bottom:70px}
.rd-text.rd-ja{font-size:19px;line-height:2.1}
.rd-page{margin:0 0 22px}
.rd-page+.rd-page{border-top:1px dashed var(--line);padding-top:12px}
.rd-ph{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:4px}
.rd-ph .note{font-size:12px}
.rd-pops{display:flex;gap:6px}
.rd-img{display:block;margin:6px 0 12px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--g3)}
.rd-img img{display:block;width:100%;height:auto}
.rd-pending{display:flex;align-items:center;gap:10px;padding:14px;border:1px dashed var(--line);border-radius:10px}
.rd-para{position:relative;margin:0 0 14px}
.rd-p{margin:0;word-wrap:break-word;overflow-wrap:anywhere}
.rd-pt{display:flex;gap:4px;justify-content:flex-end;margin-top:2px;opacity:.75}
.rd-pt .btn{padding:2px 8px;min-height:0;font-size:13px}
.rd-tr{font-size:15px;line-height:1.6;background:var(--g3);border-radius:8px;padding:8px 10px;margin-top:4px}
.rd-s{border-radius:4px;transition:background .15s}
.rd-selmode .rd-s{cursor:pointer;background:linear-gradient(transparent 92%,#cfe3d7 0)}
.rd-selmode .rd-s:hover{background-color:var(--g3)}
.rd-s.on{background:#fff1b8!important;box-shadow:0 0 0 2px #fff1b8}
.rd-bar{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(66px + env(safe-area-inset-bottom));z-index:25;display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 8px 6px 14px;box-shadow:0 6px 24px rgba(0,0,0,.14);max-width:calc(100vw - 20px);white-space:nowrap}
.rd-bar .note{font-size:13px}
.rd-ex-q{font-size:17px;background:var(--g3);border-radius:8px;padding:8px 10px;margin:0 0 10px}
.rd-edit{width:100%;min-height:45vh;font-size:16px;line-height:1.6}
@media (pointer:fine){.rd-text{user-select:text}}
.rd-range-row{gap:8px;flex-wrap:nowrap}
.rd-range-row input{flex:1;min-width:0}
/* 听写 */
.dict-tabs{margin-bottom:12px}
.dict-row{display:flex;align-items:center;gap:10px;margin:0 0 10px;flex-wrap:wrap}
.dict-row .chips{margin:0}
.dict-stats{margin:10px 0 0;font-size:13px}
.dict-play{display:flex;align-items:center;gap:10px;justify-content:center;margin:4px 0 8px;flex-wrap:wrap}
.dict-big{font-size:30px;width:76px;height:76px;border-radius:50%;padding:0;line-height:1}
.dict-hint{min-height:1.4em;text-align:center;font-size:14px;margin-bottom:8px}
.dict-in{width:100%;font-size:20px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;text-align:center}
.dict-ta{text-align:left;min-height:96px;font-size:18px;line-height:1.6}
.dict-in[readonly]{background:var(--g3)}
.dict-verdict{font-weight:600;margin:14px 0 6px;font-size:17px}
.dict-verdict.correct{color:var(--g)}
.dict-verdict.near{color:var(--amber)}
.dict-verdict.wrong,.dict-verdict.empty{color:var(--red)}
.dict-ans{font-size:22px;margin:4px 0}
.dict-ans .speak{vertical-align:middle;margin-left:6px}
.dict-meta{margin-top:6px}
.dict-info{color:var(--sub);font-size:15px;margin-top:2px}
.dict-diff{font-size:19px;line-height:2.2;margin:8px 0;word-wrap:break-word}
.dd{display:inline-block;position:relative;padding:0 3px;border-radius:5px;line-height:1.5}
.dd small{display:block;font-size:11px;line-height:1.1;color:var(--red);text-decoration:line-through}
.dd.ok{background:#e3f4e9;color:#17663a}
.dd.accent{background:#fff1d6;color:#8a5a00}
.dd.accent small{color:#8a5a00}
.dd.wrong{background:#fde4e1;color:var(--red)}
.dd.missing{border:1px dashed #b9c4be;color:#8a9690}
.dd.extra{background:#fde4e1;color:var(--red);text-decoration:line-through}
.dict-legend{font-size:12px;margin:2px 0 8px}
.dict-legend .dd{font-size:12px}
.dict-score{font-size:18px}
.dict-score b{font-size:26px;color:var(--g)}
.dict-miss{gap:8px}
.dict-miss .c{flex:1;min-width:0}
.tag.amber{background:#fff1d6;color:#8a5a00}
.grid2 .tile.wide{grid-column:1/-1}
/* 口语对话 */
.spk-topics{margin-bottom:10px}
.spk-qhead{display:flex;align-items:center;justify-content:space-between;gap:8px}
.spk-gram{color:var(--accent,#2563eb);font-weight:600}
.spk-prompt{font-size:21px;line-height:1.5;margin:8px 0 6px;word-break:break-word}
.spk-zh{background:rgba(0,0,0,.04);border-radius:10px;padding:8px 10px;margin:4px 0 8px}
.spk-tools{gap:8px;margin-top:8px}
.spk-heard{margin-top:10px;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.spk-heard b{font-size:17px;word-break:break-word}
.spk-edit{margin-top:10px;display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.spk-edit textarea{width:100%;box-sizing:border-box;font-size:16px;padding:8px;border-radius:10px;border:1px solid rgba(0,0,0,.2);font-family:inherit}
#spkRes .verdict{margin:12px 0 4px;padding:8px 10px;border-radius:10px;background:rgba(0,0,0,.04)}
#spkRes .verdict.good b{color:var(--g)}#spkRes .verdict.bad b{color:var(--red)}#spkRes .verdict.info b{color:#b45309}
.spk-h{margin:12px 0 4px;font-size:15px}
.spk-line{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:17px;margin:4px 0}
.spk-pron{margin:4px 0;padding-left:20px}
.spk-priv{margin-top:10px;font-size:12px}
/* 精听模式 */
.jt-view{margin:0}.jt-view button{padding:4px 10px;font-size:13px}
.jt-box{margin-top:8px;display:flex;flex-direction:column;gap:10px}
.jt-head{display:flex;justify-content:space-between;align-items:center}
.jt-head b{font-size:20px}
.jt-ctl{display:grid;grid-template-columns:2fr 1fr;gap:8px}
.jt-big{font-size:18px;padding:14px 10px}
.jt-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.jt-row .jt-rate{flex:1;justify-content:center}
.jt-rate button{padding:5px 8px;font-size:13px}
.jt-box textarea{width:100%;box-sizing:border-box;font-size:17px;padding:10px;border-radius:10px;border:1px solid rgba(0,0,0,.2);font-family:inherit;resize:vertical}
.jt-hint{font-family:ui-monospace,Menlo,monospace;letter-spacing:1px;color:#555;background:rgba(0,0,0,.04);border-radius:8px;padding:6px 10px;word-break:break-word}
.jt-orig{font-size:20px;line-height:1.6;margin-top:8px}
.jt-orig .kw{cursor:pointer;border-radius:4px;padding:0 1px}
.jt-orig .kw.done{color:var(--g);font-weight:600}
.jt-orig .kw.now{color:#fff;background:var(--g);font-weight:600}
.jt-zh{color:#3d5c4c;margin:2px 0 6px}
.jt-keys{font-size:12px;margin:0}
@media (pointer:coarse){.jt-keys{display:none}}
.jt-rate button{white-space:nowrap}
.jt-row.jt-nav{flex-wrap:nowrap;gap:6px}.jt-nav>button{flex:none;padding:6px 8px}.jt-nav .jt-rate{min-width:0}.jt-nav .jt-rate button{padding:5px 3px;font-size:12px}