/* ============================================================
   Jazz Chants · 节奏英语跟读  —  视觉规范
   主色 #6366F1（靛蓝）| 辅色 #F59E0B（琥珀）| 底 #F7F8FD
   圆角 24/16 | Inter + Noto Sans SC
   ============================================================ */
:root{
  --blue:#6366F1; --blue-d:#4F46E5; --blue-l:#EEF0FF; --blue-t:#F6F7FF;
  --ink:#1A1A2E; --ink2:#6B6B8A; --ink3:#8A90AC; --line:#EBEEF5; --bg:#F7F8FD;
  --pink:#F2557E; --pink-l:#FFEBF1; --amber:#F59E0B; --amber-l:#FFF6E5; --teal:#2ECDC2;
  --r-l:24px; --r-m:20px; --r-s:16px; --r-pill:999px;
  --sh:0 8px 32px rgba(99,102,241,.08);
  --sh-btn:0 8px 18px rgba(99,102,241,.32);
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%;overflow:hidden}
body{
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:#E9EBF5;color:var(--ink);font-size:14px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
/* 固定为视口高度：让 #view 成为唯一滚动容器，底部 tabbar / 播放悬浮条才不会随内容漂移 */
#phone{
  position:relative;width:100%;max-width:430px;margin:0 auto;
  height:100vh;height:100dvh;background:var(--bg);display:flex;flex-direction:column;overflow:hidden;
}
@media(min-width:520px){
  body{padding:24px 0}
  #phone{height:calc(100vh - 48px);border-radius:28px;
    box-shadow:0 24px 60px rgba(26,26,46,.14)}
}
.statusbar{flex:none;height:44px;display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;font-size:14px;font-weight:600;letter-spacing:.2px}
.statusbar .icons{display:flex;align-items:center;gap:6px}
.statusbar svg{display:block}
#view{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding:0 20px 20px;
  scrollbar-width:none;overscroll-behavior:contain}
#view::-webkit-scrollbar{display:none}
/* 播放悬浮条出现时，给内容留出底部空间，避免遮挡最后几行文字 */
#view.has-mini{padding-bottom:104px}
.tabbar{flex:none;padding:8px 20px calc(8px + var(--safe-b));background:var(--bg)}
.tabbar-inner{display:flex;height:58px;padding:4px;background:#fff;border:1px solid var(--line);
  border-radius:32px;box-shadow:0 6px 20px rgba(99,102,241,.1)}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  border-radius:26px;color:var(--ink3);font-size:10px;font-weight:500;cursor:pointer;
  transition:background .18s,color .18s;text-decoration:none}
.tab.on{background:var(--blue);color:#fff}
.tab svg{width:18px;height:18px}
/* 通用 */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh)}
.page-title{font-size:22px;font-weight:800;letter-spacing:-.2px;margin:4px 0 0}
.sec-title{font-size:15px;font-weight:700;margin:0}
.sub{font-size:11px;color:var(--ink2)}
.row{display:flex;align-items:center}
.between{justify-content:space-between}
.gap8{gap:8px}.gap10{gap:10px}.gap12{gap:12px}.gap14{gap:14px}.gap16{gap:16px}
.stack{display:flex;flex-direction:column}
.press{transition:transform .12s}.press:active{transform:scale(.985)}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:6px 0 14px}
.iconbtn{width:36px;height:36px;flex:none;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;cursor:pointer}
.iconbtn svg{width:16px;height:16px}
.chip{display:inline-flex;align-items:center;padding:6px 9px;border-radius:10px;font-size:11px;font-weight:600;
  background:var(--blue-l);color:var(--blue-d)}
.chip.amber{background:var(--amber-l);color:#B45309}
.progress{width:100%;height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.progress > i{display:block;height:100%;border-radius:3px;background:var(--blue)}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;height:46px;border:none;width:100%;
  border-radius:var(--r-pill);background:var(--blue);color:#fff;font-size:15px;font-weight:700;
  cursor:pointer;box-shadow:var(--sh-btn);font-family:inherit}
.btn svg{width:14px;height:14px}
.btn.ghost{background:#fff;color:var(--blue-d);border:1px solid var(--line);box-shadow:none}
/* 首页 hero */
.hero{border-radius:var(--r-l);padding:18px;color:#fff;background:linear-gradient(150deg,#6D6BF5,#4F46E5 55%,#3F37C9);
  position:relative;overflow:hidden;box-shadow:0 12px 30px rgba(79,70,229,.28)}
.hero:after{content:"";position:absolute;right:-40px;bottom:-60px;width:150px;height:150px;border-radius:50%;
  background:rgba(255,255,255,.10)}
.hero:before{content:"";position:absolute;right:34px;top:-52px;width:96px;height:96px;border-radius:50%;
  background:rgba(255,255,255,.07)}
.hero .k{font-size:10px;letter-spacing:.6px;font-weight:700;opacity:.85}
.hero .t{font-size:19px;font-weight:800;letter-spacing:-.3px;margin-top:4px;line-height:1.3}
.hero .s{font-size:11px;opacity:.85;margin-top:4px}
.hero .go{margin-top:14px;display:flex;align-items:center;gap:7px;height:40px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;color:var(--blue-d);font-size:13px;font-weight:700;border:none;cursor:pointer;font-family:inherit;width:auto}
.hero .go svg{width:12px;height:12px}
/* 统计 */
.statgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:12px 10px;text-align:center}
.stat b{display:block;font-size:17px;font-weight:800;letter-spacing:-.3px}
.stat small{display:block;font-size:10px;color:var(--ink3);margin-top:3px}
/* 教材网格 */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bcard{position:relative;border-radius:var(--r-m);padding:14px;height:96px;color:#fff;cursor:pointer;
  display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;border:none;
  text-align:left;font-family:inherit}
.bcard:after{content:"";position:absolute;right:-26px;top:-26px;width:78px;height:78px;border-radius:50%;
  background:rgba(255,255,255,.16)}
.bcard b{font-size:14px;font-weight:700;line-height:1.25;display:block}
.bcard small{font-size:10px;opacity:.88;display:block}
.bcard .vol{font-size:11px;font-weight:700;opacity:.82;letter-spacing:.4px}
/* 课文行 */
.lrow{display:flex;align-items:center;gap:10px;width:100%;padding:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-s);cursor:pointer;text-align:left;font-family:inherit}
.lrow .n{width:30px;height:30px;flex:none;border-radius:10px;background:var(--blue-l);color:var(--blue-d);
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.lrow .n.dim{background:#F2F4FB;color:var(--ink3)}
.lrow .m{flex:1;min-width:0}
.lrow .m b{display:block;font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lrow .m small{display:block;font-size:10px;color:var(--ink2);margin-top:2px}
.lrow.cur{background:var(--blue-t);border-color:var(--blue);border-width:1.5px}
.lrow.cur .n{background:var(--blue);color:#fff}
.lrow .play{width:18px;height:18px;flex:none}
/* 歌词行（只作文本展示，点击不联动音频） */
.sent{background:#fff;border:1px solid var(--line);border-radius:var(--r-s);padding:12px}
.sent + .sent{margin-top:8px}
.sent .en{display:flex;gap:8px;align-items:flex-start}
.sent .idx{font-size:11px;font-weight:700;color:var(--ink3);flex:none;padding-top:2px;width:18px;font-variant-numeric:tabular-nums}
.sent .en p{margin:0;font-size:14.5px;font-weight:500;color:var(--ink);flex:1;line-height:1.55}
.sent .tools{display:flex;gap:6px;flex:none;padding-top:1px}
.sent .spk{width:16px;height:16px;flex:none;opacity:.4;cursor:pointer;border:none;background:none;padding:0}
.sent .spk:hover{opacity:1}
/* 播放器 */
.player{padding:16px;border-radius:var(--r-l)}
.seg{display:flex;padding:4px;gap:4px;background:#F2F4FB;border-radius:var(--r-pill)}
.seg button{flex:1;height:34px;border:none;background:transparent;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--ink2);cursor:pointer;font-family:inherit}
.seg button.on{background:var(--blue);color:#fff}
.track{position:relative;height:6px;border-radius:3px;background:var(--line);margin:14px 0 8px;cursor:pointer}
.track > i{position:absolute;left:0;top:0;height:100%;border-radius:3px;background:var(--blue)}
.track > b{position:absolute;top:50%;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;
  background:var(--blue);border:2px solid #fff;box-shadow:0 2px 6px rgba(99,102,241,.45)}
.ctrl{display:flex;align-items:center;justify-content:space-evenly;margin-top:8px;gap:6px}
.ctrl .rnd{width:34px;height:34px;flex:none;border-radius:50%;background:#F2F4FB;border:none;display:flex;
  align-items:center;justify-content:center;cursor:pointer}
.ctrl .rnd svg{width:16px;height:16px}
.ctrl .big{width:56px;height:56px;flex:none;border-radius:50%;border:none;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-btn)}
.ctrl .big svg{width:20px;height:20px}
.ctrl .big.on{background:#EDF0F8}
.ctrl .big.on svg path{fill:var(--ink2)}
.pill{padding:7px 10px;border-radius:14px;background:#fff;border:1px solid var(--line);font-size:10px;
  font-weight:600;color:var(--ink2);cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:4px}
.pill.on{background:var(--blue);border-color:var(--blue);color:#fff}
.pillrow{display:flex;gap:6px;flex-wrap:wrap}
/* 开关 */
.sw{position:relative;width:40px;height:22px;border-radius:11px;background:#D8DCEA;border:none;cursor:pointer;
  flex:none;transition:background .18s}
.sw.on{background:var(--blue)}
.sw i{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;
  box-shadow:0 1px 3px rgba(0,0,0,.18);transition:left .18s}
.sw.on i{left:20px}
.srow{display:flex;align-items:center;gap:12px;padding:13px 14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-m);cursor:pointer;width:100%;text-align:left;font-family:inherit}
.srow .ic{width:34px;height:34px;flex:none;border-radius:11px;display:flex;align-items:center;justify-content:center}
.srow .ic svg{width:18px;height:18px}
.srow b{flex:1;font-size:13px;font-weight:600;color:var(--ink)}
.srow span{font-size:12px;color:var(--ink3)}
.srow .cv{width:14px;height:14px;flex:none}
.bars{display:flex;align-items:flex-end;justify-content:space-between;height:64px;padding:0 4px}
.bars div{width:16px;border-radius:5px;background:#DCE0FF}
.bars div.on{background:var(--blue)}
.axis{display:flex;justify-content:space-between;padding:6px 4px 0;font-size:9px;color:var(--ink3)}
/* 弹层（fixed：长页面也能贴住可视区底部） */
.mask{position:fixed;inset:0;background:rgba(20,22,40,.42);display:flex;align-items:flex-end;
  justify-content:center;z-index:50}
.sheet{width:100%;max-width:430px;background:#fff;border-radius:26px 26px 0 0;padding:18px 18px calc(18px + var(--safe-b));
  max-height:82vh;overflow-y:auto}
.sheet h3{margin:0 0 4px;font-size:16px;font-weight:700}
.sheet textarea{width:100%;height:180px;margin-top:12px;padding:12px;border-radius:14px;border:1px solid var(--line);
  background:#FAFBFF;font-size:12px;line-height:1.7;font-family:ui-monospace,Menlo,Consolas,monospace;resize:none}
.sheet .hint{font-size:11px;color:var(--ink2);line-height:1.7;margin-top:8px}
.sheet .acts{display:flex;gap:10px;margin-top:14px}
.sheet .acts .btn{height:44px;font-size:14px}
.toast{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);background:rgba(26,26,46,.9);
  color:#fff;font-size:12px;padding:9px 16px;border-radius:var(--r-pill);z-index:80;opacity:0;
  transition:opacity .2s;pointer-events:none;white-space:nowrap}
.toast.on{opacity:1}
.empty{padding:28px 8px;text-align:center;color:var(--ink3);font-size:12px;line-height:1.8}
.mini{display:flex;align-items:center;gap:10px;padding:12px;border-radius:var(--r-m);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh)}
.mini .mb{width:32px;height:32px;flex:none;border-radius:50%;background:var(--blue);border:none;display:flex;
  align-items:center;justify-content:center;cursor:pointer;color:#fff}
.mini .mb svg{width:12px;height:12px}
.grad{border-radius:var(--r-l);padding:16px;color:#fff;border:none;cursor:pointer;text-align:left;
  font-family:inherit;display:block;width:100%;position:relative;overflow:hidden}
.grad:after{content:"";position:absolute;right:-30px;bottom:-40px;width:110px;height:110px;border-radius:50%;
  background:rgba(255,255,255,.13)}
.grad b{display:block;font-size:15px;font-weight:700}
.grad small{display:block;font-size:10px;opacity:.88;margin-top:3px}
.mode{display:flex;align-items:center;gap:12px;padding:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-m);cursor:pointer;width:100%;text-align:left;font-family:inherit}
.mode .mic{width:38px;height:38px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center}
.mode .mic svg{width:20px;height:20px}
.mode b{display:block;font-size:13px;font-weight:600;color:var(--ink)}
.mode small{display:block;font-size:10px;color:var(--ink2);margin-top:2px}
.mode .mid{flex:1;min-width:0}
.mode>svg{width:16px;height:16px;flex:none}
/* 导语卡 */
.note{display:flex;gap:10px;padding:12px 14px;background:linear-gradient(180deg,#FFFCF5,#FFF7E8);
  border:1px solid #F7E6C4;border-radius:var(--r-s)}
.note .ni{width:20px;height:20px;flex:none;margin-top:1px}
.note b{display:block;font-size:10px;font-weight:700;color:#B45309;letter-spacing:.3px}
.note p{margin:3px 0 0;font-size:12px;color:#7C5A17;line-height:1.65}
.scroll-h{display:flex;gap:10px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.scroll-h::-webkit-scrollbar{display:none}
.rcard{flex:none;width:172px;padding:13px;border-radius:var(--r-m);background:#fff;border:1px solid var(--line);
  text-align:left;cursor:pointer;font-family:inherit}
.rcard b{display:block;font-size:13px;font-weight:700;line-height:1.35;color:var(--ink);height:36px;overflow:hidden}
.rcard small{display:block;font-size:10px;color:var(--ink2);margin-top:4px}
.wave{display:flex;align-items:flex-end;gap:2px;height:14px}
.wave i{width:2.5px;border-radius:2px;background:var(--blue);height:5px}
.wave.go i{animation:w .9s ease-in-out infinite}
.wave.go i:nth-child(2){animation-delay:.15s}
.wave.go i:nth-child(3){animation-delay:.3s}
.wave.go i:nth-child(4){animation-delay:.45s}
@keyframes w{0%,100%{height:5px}50%{height:14px}}
svg{display:block}
.play svg,.spk svg,.cv svg,.ni svg{width:100%;height:100%}
@media(max-width:519px){ .statusbar{display:none} }
@media(display-mode:standalone){ .statusbar{display:none} }

/* ---------------- 真实音频：状态行 / 管理 / 校对 ---------------- */
.audiorow{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:-4px}
.abadge{display:flex;align-items:center;gap:5px;font-size:10px;font-weight:600;color:var(--ink2);
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px 9px}
.abadge svg{width:13px;height:13px}
.abadge.on{color:var(--blue);border-color:#CBD8FF;background:#F5F8FF}
.abtns{display:flex;gap:6px}
.audiocta{display:flex;align-items:center;gap:11px;width:100%;text-align:left;padding:12px 13px;
  border:1.5px dashed #C6D3FF;background:linear-gradient(180deg,#F7FAFF,#EFF4FF);border-radius:var(--r-s);
  font-family:inherit;cursor:pointer;color:var(--ink)}
.audiocta .act-ico{flex:none;width:34px;height:34px;border-radius:11px;background:#E2E9FF;
  display:flex;align-items:center;justify-content:center}
.audiocta .act-ico svg{width:17px;height:17px}
.audiocta .act-mid{flex:1;min-width:0}
.audiocta .act-mid b{display:block;font-size:12.5px;font-weight:700;letter-spacing:-.1px}
.audiocta .act-mid small{display:block;font-size:10px;color:var(--ink2);margin-top:2px;line-height:1.35}
.audiocta .act-go{flex:none;display:flex;align-items:center;gap:4px;font-size:11px;font-weight:700;color:#fff;
  background:var(--blue);border-radius:12px;padding:7px 10px;box-shadow:var(--sh-btn)}
.sheet .warnbox{background:#FFF6E5;border:1px solid #FFE0A3;color:#8A5B00;border-radius:10px;padding:8px 10px}
.sheet .okbox{background:#EDF7EE;border:1px solid #C8E6CB;color:#2F6B37;border-radius:10px;padding:8px 10px}
.sheet .bar{height:6px;border-radius:3px;background:#EBEEF5;margin-top:12px;overflow:hidden}
.sheet .bar i{display:block;height:6px;background:var(--blue);border-radius:3px;transition:width .25s}
.revlist{margin-top:10px;max-height:46vh;overflow-y:auto;border:1px solid var(--line);border-radius:14px}
.revrow{display:flex;align-items:center;gap:8px;padding:9px 10px;border-bottom:1px solid #F0F3FA}
.revrow:last-child{border-bottom:none}
.revrow.on{background:#F5F8FF}
.revrow .ri{width:26px;flex:none;font-size:11px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums}
.revrow .rt{flex:1;min-width:0;font-size:11px;font-variant-numeric:tabular-nums;cursor:pointer;color:var(--ink)}
.revrow .rt em{color:var(--ink2);font-style:normal}
.revrow .rb{display:flex;gap:3px;flex:none}
.mini-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:4px 6px;font-size:10px;
  font-family:inherit;color:var(--ink2);cursor:pointer}
.mini-btn:hover{border-color:var(--blue);color:var(--blue)}
.mini-btn:disabled{opacity:.45;cursor:default}
/* 排版编辑 */
.layrow{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid #F0F3FA}
.layrow:last-child{border-bottom:none}
.layrow .ri{width:24px;flex:none;font-size:11px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums}
.lay-in{flex:1;min-width:0;height:34px;border:1px solid var(--line);border-radius:10px;padding:0 10px;
  font-size:12px;font-family:inherit;color:var(--ink);background:#FAFBFF}
.lay-in:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(99,102,241,.12)}