/* =====================================================
   研途阅读 · v4「书房案头」视觉系统
   布局架构：左侧书架导航 + 案头工作台 + 线装书阅读室
   配色：宣纸 / 墨色 / 朱砂 / 琥珀（夜读）
   ===================================================== */
:root{
  --fs:18px;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  --bg:#f3ecdd;
  --bg-deep:#ece2cc;
  --paper:#fbf6ea;
  --paper-2:#f6efdf;
  --ink:#2b2418;
  --muted:#8a7c64;
  --line:#e0d4b8;
  --line-strong:#c9b98f;
  --cinnabar:#b5382f;
  --cinnabar-deep:#93291f;
  --indigo:#33566b;
  --gold:#c98f2d;
  --ok:#4a7c46;
  --bad:#b5382f;
  --warn:#c98f2d;
  --shadow:0 10px 30px rgba(70,55,25,.14);
  --shadow-sm:0 3px 12px rgba(70,55,25,.10);
  --glow:0 8px 22px rgba(181,56,47,.30);
  --noise:.045;
}
html[data-theme="dark"]{
  --bg:#16130f;
  --bg-deep:#100d0a;
  --paper:#221c13;
  --paper-2:#2a2317;
  --ink:#e8dcc2;
  --muted:#a08e6f;
  --line:#3c331f;
  --line-strong:#55462a;
  --cinnabar:#d4553f;
  --cinnabar-deep:#b23a2a;
  --indigo:#7fa2b8;
  --gold:#d4a24e;
  --ok:#7fae6d;
  --bad:#d4553f;
  --warn:#d4a24e;
  --shadow:0 12px 34px rgba(0,0,0,.5);
  --shadow-sm:0 3px 14px rgba(0,0,0,.4);
  --glow:0 8px 24px rgba(212,85,63,.28);
  --noise:.07;
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
html,body{margin:0; padding:0;}
body{
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(201,143,45,.10), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(181,56,47,.07), transparent 60%),
    var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  -webkit-text-size-adjust:100%;
  min-height:100vh;
}
html[data-theme="dark"] body{
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(212,162,78,.09), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(212,85,63,.08), transparent 60%),
    var(--bg);
}
body::after{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:var(--noise);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}
::selection{background:rgba(181,56,47,.22);}
::-webkit-scrollbar{width:9px;height:9px;}
::-webkit-scrollbar-thumb{background:rgba(138,124,100,.4);border-radius:99px;border:2px solid transparent;background-clip:content-box;}
::-webkit-scrollbar-track{background:transparent;}
button{font-family:inherit;}
button:focus-visible, input:focus-visible, summary:focus-visible{
  outline:2px solid var(--cinnabar); outline-offset:2px; border-radius:6px;
}

/* ---------- 顶栏 ---------- */
#topbar{
  position:fixed; top:0; left:0; right:0; z-index:80; height:56px;
  display:flex; align-items:center; gap:12px; padding:0 18px;
  background:linear-gradient(180deg, rgba(43,36,24,.06), transparent 70%), var(--paper);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.tbSeal{
  width:30px; height:30px; flex-shrink:0;
  background:var(--cinnabar); color:#fbf6ea;
  border-radius:6px; display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-size:16px; font-weight:700;
  box-shadow:inset 0 0 0 1.5px rgba(251,246,234,.35), var(--shadow-sm);
}
.tbBrand{display:flex; flex-direction:column; line-height:1.2; flex-shrink:0;}
.tbBrand b{font-family:var(--serif); font-size:16px; letter-spacing:2px;}
.tbBrand span{font-size:10px; color:var(--muted); letter-spacing:1px;}
.tbTitle{
  margin-left:14px; padding-left:16px; border-left:1px solid var(--line);
  font-family:var(--serif); font-size:14px; color:var(--muted); letter-spacing:2px;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.tbTools{margin-left:auto; display:flex; gap:8px; flex-shrink:0;}

/* ---------- 书架侧栏（宽屏）/ 底栏（窄屏） ---------- */
#shelf{
  position:fixed; left:0; top:56px; bottom:0; width:200px; z-index:70;
  display:flex; flex-direction:column; gap:4px;
  padding:22px 14px; box-sizing:border-box;
  background:linear-gradient(180deg, rgba(43,36,24,.04), rgba(43,36,24,.10)), var(--paper-2);
  border-right:1px solid var(--line);
}
#shelf::before{
  content:"书 架"; position:absolute; top:10px; left:0; right:0;
  text-align:center; font-family:var(--serif); font-size:11px; letter-spacing:6px; color:var(--muted); opacity:.8;
}
.shelfItem{
  display:flex; align-items:center; gap:11px;
  border:0; background:transparent; color:var(--muted);
  padding:12px 14px; border-radius:10px; cursor:pointer;
  font-size:14.5px; font-weight:600; letter-spacing:1px;
  transition:all .15s; position:relative; text-align:left;
}
.shelfItem i{font-style:normal; font-size:17px; width:22px; text-align:center; flex-shrink:0;}
.shelfItem:hover{color:var(--ink); background:rgba(43,36,24,.05);}
.shelfItem.on{
  color:var(--cinnabar);
  background:linear-gradient(90deg, rgba(181,56,47,.12), transparent 85%);
}
.shelfItem.on::before{
  content:""; position:absolute; left:0; top:22%; bottom:22%; width:3px;
  background:var(--cinnabar); border-radius:3px;
}

/* ---------- 主舞台 ---------- */
#stage{
  margin-left:200px; padding:74px 30px 60px;
  max-width:960px;
}
@media (min-width:1240px){
  #stage{margin-left:200px; margin-right:auto;}
}

/* ---------- 通用按钮 ---------- */
.inkBtn{
  border:1px solid var(--line-strong); background:var(--paper); color:var(--ink);
  border-radius:9px; min-width:38px; height:38px; font-size:15px; cursor:pointer;
  flex-shrink:0; transition:transform .1s, background .15s;
  font-family:var(--serif);
}
.inkBtn:hover{background:var(--paper-2);}
.inkBtn:active{transform:scale(.93);}
.brushBtn{
  width:100%; margin-top:26px; border:0; border-radius:12px;
  background:linear-gradient(135deg, var(--cinnabar), var(--cinnabar-deep));
  color:#fbf6ea; font-size:16.5px; font-weight:700; letter-spacing:3px;
  padding:15px 0; cursor:pointer; box-shadow:var(--glow);
  font-family:var(--serif); transition:transform .1s, filter .15s;
}
.brushBtn:hover{filter:brightness(1.07);}
.brushBtn:active{transform:scale(.98);}
.brushBtn.slim{margin-top:12px; padding:12px 0; font-size:14px; letter-spacing:1px;}
.brushBtn.inline{width:auto; padding:9px 16px; margin-top:0; font-size:13px;}

/* ---------- 工作台 ---------- */
#home{padding-top:4px;}
.deskGreet{margin-bottom:20px;}
.deskGreet h1{
  font-family:var(--serif); font-size:30px; margin:0; letter-spacing:4px; font-weight:700;
}
.deskGreet h1::after{
  content:""; display:block; width:64px; height:3px; margin-top:10px;
  background:linear-gradient(90deg, var(--cinnabar), transparent);
}
.deskGreet p{margin:10px 0 0; color:var(--muted); font-size:13px; letter-spacing:1px;}
.deskGrid{
  display:grid; grid-template-columns:1.55fr 1fr; gap:18px; align-items:start;
}

/* 卷宗纸卷 */
.scrollBox{
  background:var(--paper); border:1px solid var(--line);
  border-radius:4px 14px 4px 14px; padding:20px 22px 24px;
  box-shadow:var(--shadow); position:relative;
}
.scrollBox::before{
  content:""; position:absolute; inset:6px; border:1px dashed var(--line-strong);
  border-radius:3px 10px 3px 10px; pointer-events:none; opacity:.6;
}
.scrollHead{
  font-family:var(--serif); font-size:16px; font-weight:700; letter-spacing:2px;
  padding-bottom:12px; margin-bottom:6px; border-bottom:1px solid var(--line);
  position:relative;
}
.scrollHead::before{content:"◈ "; color:var(--cinnabar);}

.chips{display:flex; flex-wrap:wrap; gap:8px; text-align:left;}
.chipBtn{
  border:1px solid var(--line-strong); background:transparent; color:var(--ink);
  border-radius:4px; padding:8px 13px; font-size:13.5px; cursor:pointer;
  transition:all .15s; font-family:var(--serif);
}
.chipBtn:active{transform:scale(.95);}
.chipBtn.on{
  border-color:var(--cinnabar); color:var(--cinnabar);
  background:rgba(181,56,47,.08); font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(181,56,47,.25);
}

.inkLabel{
  display:flex; align-items:center; gap:8px;
  font-family:var(--serif); font-size:13px; color:var(--muted);
  margin:22px 0 10px; font-weight:700; letter-spacing:2px;
}
.inkLabel::before{content:"❖"; color:var(--cinnabar); font-size:11px;}
.inkLabel.inline{margin:0;}
.inkHint{font-weight:400; letter-spacing:0; font-size:12px;}
.rowSplit{justify-content:space-between;}

.seg{
  display:flex;background:var(--paper-2);border-radius:10px;padding:3px;gap:3px;
  border:1px solid var(--line);
}
.seg button{
  flex:1;border:0;background:transparent;color:var(--muted);
  padding:9px 0;border-radius:8px;font-size:13.5px;cursor:pointer;transition:all .15s;
  font-weight:600; font-family:var(--serif);
}
.seg button.on{background:var(--ink);color:var(--paper);font-weight:700;}

/* AI 设置卷宗 */
details.cfg{margin-top:18px;border:1px solid var(--line);border-radius:8px;
  background:var(--paper-2);padding:0 14px;}
details.cfg summary{
  cursor:pointer;padding:12px 0;font-size:13px;font-weight:700;list-style:none;
  display:flex;align-items:center;gap:7px;color:var(--ink); font-family:var(--serif);
}
details.cfg summary::-webkit-details-marker{display:none;}
details.cfg summary::after{content:"▾";margin-left:auto;color:var(--muted);transition:transform .2s;}
details.cfg[open] summary::after{transform:rotate(180deg);}
.cfgNote{font-size:12px;color:var(--muted);line-height:1.9;margin:4px 0 12px;}
.cfgPresets{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;}
.wbChip{border:1px solid var(--ok);background:rgba(74,124,70,.10);color:var(--ok);border-radius:4px;padding:5px 11px;font-size:12px;font-weight:700;cursor:pointer;}
.aiPreset{border:1px solid var(--line-strong);background:var(--paper);color:var(--indigo);border-radius:4px;padding:5px 11px;font-size:12px;font-weight:700;cursor:pointer;}
.aiPreset:active{transform:scale(.96);}
.aiIn{border:1px solid var(--line-strong);background:var(--paper);color:var(--ink);border-radius:6px;padding:10px 12px;font-size:13px;width:100%; font-family:var(--sans);}
.aiIn::placeholder{color:var(--muted);opacity:.7;}
.btnRow{display:flex;gap:8px;margin-top:12px;}
.btnRow button{flex:1;border:0;border-radius:6px;padding:11px 0;font-size:13.5px;font-weight:700;cursor:pointer; font-family:var(--serif);}
#aiSave{background:var(--ink);color:var(--paper);}
#aiTest{border:1px solid var(--line-strong)!important;background:var(--paper)!important;color:var(--ink)!important;}
#aiCfgMsg{font-size:12px;color:var(--muted);margin-top:10px;min-height:16px;line-height:1.7;}

/* 案头右侧 */
.deskSide{display:flex; flex-direction:column; gap:14px;}
.statTiles{
  display:grid; grid-template-columns:repeat(3,1fr); gap:10px;
}
.tile{
  background:var(--paper); border:1px solid var(--line); border-radius:8px;
  padding:14px 0 12px; text-align:center; box-shadow:var(--shadow-sm); position:relative;
}
.tile::before{content:""; position:absolute; top:0; left:18%; right:18%; height:2px; background:var(--cinnabar); opacity:.55;}
.tile b{
  font-family:var(--serif); font-size:22px; display:block; font-variant-numeric:tabular-nums; color:var(--cinnabar);
}
.tile span{font-size:11px; color:var(--muted); margin-top:3px; display:block; letter-spacing:1px;}

.stationery{
  background:var(--paper); border:1px solid var(--line); border-radius:8px;
  padding:14px; box-shadow:var(--shadow-sm);
}
.stHead{font-family:var(--serif); font-size:13px; letter-spacing:2px; color:var(--muted); margin-bottom:10px;}
.stationeryItem{
  display:flex; flex-direction:column; width:100%; text-align:left;
  border:1px solid var(--line); background:var(--paper-2); color:var(--ink);
  border-radius:8px; padding:11px 14px; margin-bottom:8px; cursor:pointer;
  font-size:14.5px; font-weight:700; transition:all .15s; font-family:var(--serif);
}
.stationeryItem:last-child{margin-bottom:0;}
.stationeryItem span{font-size:11.5px; color:var(--muted); font-weight:400; margin-top:3px; font-family:var(--sans);}
.stationeryItem:hover{border-color:var(--cinnabar); transform:translateX(3px);}
.stationeryItem:active{transform:scale(.98);}

.deskTip{
  color:var(--muted); font-size:12px; line-height:2;
  background:var(--paper-2); border-left:3px solid var(--line-strong);
  padding:12px 14px; border-radius:0 8px 8px 0;
}

/* ---------- 场景头（背词/测试/跟读/填空） ---------- */
.sceneHead{
  display:flex; align-items:center; gap:10px; margin-bottom:14px;
  padding-bottom:12px; border-bottom:1px solid var(--line);
}
.sceneTitle{font-family:var(--serif); font-size:19px; font-weight:800; letter-spacing:2px; flex:1;}
.sceneCount{font-size:13px; color:var(--muted); font-weight:700; font-variant-numeric:tabular-nums; letter-spacing:1px;}

.wBarWrap{height:5px;background:var(--line);border-radius:99px;margin:0 2px 20px;overflow:hidden;}
#wBar{height:100%;width:0;background:linear-gradient(90deg,var(--cinnabar),var(--gold));border-radius:99px;transition:width .25s;}
#qBar{height:100%;width:0;background:linear-gradient(90deg,var(--cinnabar),var(--gold));border-radius:99px;transition:width .25s;}

/* 卡片 */
.wCard{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:6px 16px 6px 16px;padding:32px 22px;text-align:center;margin-bottom:18px;
  box-shadow:var(--shadow);
}
.wWord{font-family:var(--serif);font-size:42px;font-weight:700;line-height:1.2;word-break:break-word;color:var(--cinnabar);}
.wIpaRow{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px;}
.wIpa{color:var(--muted);font-size:15px;}
.wSpeak{position:absolute;top:12px;right:12px;min-width:40px;height:40px;font-size:16px;}
.wTagWrap{margin-top:14px;}
.wTag{display:inline-block;font-size:11.5px;font-weight:600;color:var(--muted);background:var(--paper-2);border:1px solid var(--line);border-radius:3px;padding:3px 10px;margin:0 3px;}
.wMeaning{display:none;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line-strong);font-size:17px;line-height:1.7;}
.wMeaning.shown{display:block;}
.wEx{display:none;margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);white-space:pre-line;text-align:left;}
.wEx.shown{display:block;}
.wBtns{margin-top:8px;}
.wJudgeRow{display:flex;gap:10px;}
.wBtn{width:100%;border:0;border-radius:10px;padding:14px 0;font-size:15.5px;font-weight:700;color:#fbf6ea;cursor:pointer;transition:transform .1s; font-family:var(--serif); letter-spacing:1px;}
.wBtn:active{transform:scale(.97);}
.wBtn.reveal,.wBtn.again{background:linear-gradient(135deg,var(--ink),#4a4030);box-shadow:var(--shadow-sm);}
.wBtn.ok{background:var(--ok);}
.wBtn.no{background:var(--bad);}
.wDone{font-size:24px;font-weight:800; font-family:var(--serif);}
.wDoneSub{color:var(--muted);font-size:13.5px;line-height:1.9;margin-top:10px;}
.qStem{font-size:15px;font-weight:700;margin:0 0 8px;}
.qBody{font-family:Georgia,"Times New Roman",var(--serif);font-size:15.5px;line-height:1.8;margin:0 0 16px;padding:12px 14px;background:var(--paper-2);border-radius:6px;}
.qOpt{display:block;width:100%;text-align:left;border:1px solid var(--line-strong);background:var(--paper);color:var(--ink);border-radius:8px;padding:12px 14px;margin-bottom:10px;font-size:14px;cursor:pointer;line-height:1.65;transition:transform .1s;}
.qOpt:active{transform:scale(.985);}
.qOpt b{margin-right:8px;color:var(--cinnabar);font-family:var(--serif);}
.qOpt.right{border-color:var(--ok);background:rgba(74,124,70,.10);}
.qOpt.wrong{border-color:var(--bad);background:rgba(181,56,47,.10);}
.qOpt:disabled{cursor:default;}
.qOpt.sel{border-color:var(--cinnabar);background:rgba(181,56,47,.10);font-weight:600;}
.qOpt.sel b{color:var(--cinnabar);}
/* 提交后逐题详解 */
.qReviewItem{
  background:var(--paper);border:1px solid var(--line);border-radius:6px 12px 6px 12px;
  padding:14px 14px 12px;margin-top:12px;text-align:left;
}
.qRevHead{display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.qRevNo{font-size:12px;color:var(--muted);font-weight:700;}
.qRevRes{margin-left:auto;font-weight:800;font-size:13px;}
.qRevRes.g{color:var(--ok);}
.qRevRes.r{color:var(--bad);}
.qRevAns{
  margin-top:8px;font-size:12.5px;color:var(--muted);
  background:var(--paper-2);border-radius:6px;padding:8px 10px;line-height:1.6;
  white-space:pre-line;
}
.qExplain{display:none;margin-top:4px;padding:10px 12px;background:var(--paper-2);border-radius:6px;font-size:13px;color:var(--muted);line-height:1.8;}
.qExplain.shown{display:block;}
.wrongBody{font-size:13.5px;line-height:1.7;margin:2px 0 8px;word-break:break-word;}
.wrongAns{display:flex;flex-direction:column;gap:3px;font-size:12.5px;line-height:1.6;}
.wrongAns .bad{color:var(--bad);}
.wrongAns .good{color:var(--ok);}

/* ---------- 我的主页（书房） ---------- */
#profile{display:none;}
.meHead{display:flex;align-items:center;gap:12px;padding:0 0 16px;}
.meTitle{font-family:var(--serif);font-size:22px;font-weight:800;letter-spacing:3px;}
.meSlogan{color:var(--muted);font-size:12.5px;letter-spacing:1px;margin-left:auto;}
.meCard{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  background:linear-gradient(135deg, var(--ink), #463c2c);
  border-radius:8px 18px 8px 18px;padding:22px 22px;color:#f2ead6;
  box-shadow:var(--shadow); position:relative;overflow:hidden;
}
.meCard::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(320px 170px at 92% -20%, rgba(212,162,78,.22), transparent 60%);
}
.meCard .avatar{
  width:54px;height:54px;border-radius:14px;flex-shrink:0;
  background:rgba(251,246,234,.14);border:1.5px solid rgba(251,246,234,.35);
  display:flex;align-items:center;justify-content:center;font-size:27px;
}
.meName{font-family:var(--serif);font-size:19px;font-weight:800;letter-spacing:2px;}
.meSub{font-size:12.5px;opacity:.75;margin-top:4px;letter-spacing:1px;}
.meStats{margin-left:auto;display:flex;gap:22px;}
.meStats div{text-align:center;}
.meStats b{font-family:var(--serif);font-size:20px;display:block;color:var(--gold);font-variant-numeric:tabular-nums;}
.meStats span{font-size:11px;opacity:.75;margin-top:2px;display:block;}
.favCard{
  display:flex;align-items:center;gap:10px;
  background:var(--paper);border:1px solid var(--line);
  border-radius:6px 12px 6px 12px;padding:13px 14px;margin-bottom:10px;cursor:pointer;
  box-shadow:var(--shadow-sm);transition:transform .12s;
}
.favCard:active{transform:scale(.985);}
.favMain{flex:1;min-width:0;}
.favTitle{font-family:Georgia,"Times New Roman",var(--serif);font-size:15px;font-weight:700;line-height:1.45;}
.favCn{color:var(--muted);font-size:12.5px;margin-top:3px;}
.favMeta{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;}
.favMeta span{background:var(--paper-2);color:var(--muted);font-size:11px;border-radius:3px;padding:2.5px 8px;border:1px solid var(--line);}
.favStar{border:0;background:transparent;font-size:22px;color:var(--gold);cursor:pointer;flex-shrink:0;padding:2px 4px;}
.clearHist{border:1px solid var(--line-strong);background:var(--paper);color:var(--muted);border-radius:6px;font-size:11.5px;padding:5px 10px;cursor:pointer;}
.clearHist:active{transform:scale(.95);}
.histDel{border:0;background:transparent;color:var(--muted);font-size:15px;cursor:pointer;flex-shrink:0;padding:6px;}
.histDel:active{color:var(--bad);}
.empty{
  display:none; color:var(--muted); font-size:13.5px; line-height:2; text-align:center;
  padding:34px 10px; background:var(--paper-2); border-radius:8px;
  border:1px dashed var(--line-strong);
}

/* ---------- AI 生成中 ---------- */
#aiLoad{
  position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;
  background:rgba(20,15,8,.62);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.aiCard{
  background:var(--paper);border:1px solid var(--line-strong);
  border-radius:8px 18px 8px 18px;padding:26px 32px;text-align:center;
  box-shadow:var(--shadow);min-width:250px;
}
.spin{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;border:4px solid var(--line);border-top-color:var(--cinnabar);animation:spR .8s linear infinite;}
@keyframes spR{to{transform:rotate(360deg)}}
.aiCard b{font-size:15px; font-family:var(--serif);}
.aiSec{color:var(--muted);font-size:13px;margin-top:4px;}
.aiCard button{margin-top:14px;border:1px solid var(--line-strong);background:var(--paper);color:var(--muted);border-radius:99px;padding:5px 14px;font-size:12px;cursor:pointer;}

/* ---------- 阅读室（线装书） ---------- */
#reader{display:none;}
.bookCtl{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:10px 12px;margin:0 0 14px;
  background:var(--paper);border:1px solid var(--line);border-radius:8px;
  box-shadow:var(--shadow-sm);
}
.bookCtl .seg{flex:1;min-width:150px;max-width:220px;}
.bookCtl .seg button{padding:7px 0;font-size:12.5px;}
.starBtn.on{color:var(--gold);border-color:var(--gold);background:rgba(201,143,45,.14);}
.pgCtl{display:none;align-items:center;gap:8px;margin-left:auto;}
body.flip-on .bookCtl .pgCtl{display:flex;}
.pgInd{font-size:13px;color:var(--muted);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:1px;min-width:64px;text-align:center; font-family:var(--serif);}
.ttsCluster{display:flex;align-items:center;gap:6px;}
.ttsPlayBtn{min-width:44px;}
.ttsStatus{font-size:11.5px;color:var(--muted);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.meta{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 4px;}
.meta span{
  background:var(--paper-2);color:var(--muted);border:1px solid var(--line);
  border-radius:3px;font-size:12px;padding:3px 10px;font-weight:600;
}

h2.bookTitle{
  font-family:Georgia,"Times New Roman",var(--serif);
  font-size:26px;line-height:1.5;margin:14px 0 2px;text-align:left;letter-spacing:.2px;
}
.titleCn{color:var(--muted);font-size:14px;margin-bottom:6px;display:none;letter-spacing:1px;}
body.mode-cn .titleCn{display:block;}

.bookStage{position:relative;margin-top:10px;}
body.flip-on .bookStage{
  perspective:1700px;
  overflow:hidden;
  border-radius:6px;
  touch-action:pan-y;
}
body.flip-on .leaf{
  position:absolute; inset:0; overflow:hidden;
  background:var(--paper);
  border:1px solid var(--line-strong);
  border-radius:4px;
  padding:26px 30px 48px;
  box-shadow:var(--shadow), inset 0 0 70px rgba(120,90,40,.07);
}
body.flip-on .leaf::before{  /* 线装书脊装饰线 */
  content:""; position:absolute; left:14px; top:10px; bottom:10px; width:1px;
  background:linear-gradient(180deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
  opacity:.5; pointer-events:none;
}
body.flip-on article{margin-top:0;}
body.flip-on .para{margin-bottom:20px;}
body.flip-on .para:last-child{margin-bottom:0;}
body.flip-on .para.tts-on{background:rgba(181,56,47,.09);}
body:not(.flip-on) .pageFoot{display:none;}
.pageFoot{
  position:absolute;right:22px;bottom:14px;
  font-size:11.5px;color:var(--muted);letter-spacing:2px;
  font-family:var(--serif);font-variant-numeric:tabular-nums;
}
body.flip-on .pageFoot::before{content:"— ";opacity:.6;}
body.flip-on .pageFoot::after{content:" —";opacity:.6;}

/* 翻页动画层 */
.flipWrap{
  position:absolute;inset:0;z-index:6;
  transform-origin:left center;
  transform-style:preserve-3d;
  pointer-events:none;
  will-change:transform;
}
.flipClone{
  position:absolute;inset:0;overflow:hidden;
  background:var(--paper);
  border:1px solid var(--line-strong);border-radius:4px;
  padding:26px 30px 48px;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
  box-shadow:var(--shadow);
}
.flipBack{
  position:absolute;inset:0;
  transform:rotateY(180deg);
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:4px;
  background:
    repeating-linear-gradient(0deg, rgba(120,90,40,.03) 0 2px, transparent 2px 4px),
    linear-gradient(105deg, #e7dcc2 0%, #ddd0b0 100%);
}
html[data-theme="dark"] .flipBack{
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.02) 0 2px, transparent 2px 4px),
    linear-gradient(105deg, #191510 0%, #131009 100%);
}

article{
  font-family:Georgia,"Times New Roman","Songti SC","SimSun",serif;
  font-size:var(--fs);line-height:1.9;text-align:left;margin-top:12px;
}
.para{margin-bottom:44px;cursor:pointer;transition:background .2s;border-radius:8px;}
body:not(.mode-cn) .sent{display:inline;}
body:not(.mode-cn) .sent .en{display:inline;}
body:not(.mode-cn) .sent::after{content:" ";}
body.mode-cn .sent{margin:0 0 14px;}
.para.tts-on{
  background:rgba(181,56,47,.08);
  padding:10px 12px;margin-left:-12px;margin-right:-12px;
}
body.flip-on .para.tts-on{padding:8px 10px;margin-left:-10px;margin-right:-10px;}
.sent{margin:0 0 16px;}
.sent:last-child{margin-bottom:0;}
.sent .en{margin:0;}
.cnwrap{display:none;margin-top:7px;}
body.mode-cn .cnwrap{display:block;}
.sent .cn{
  margin:0;color:var(--muted);font-size:.9em;line-height:1.75;
  font-family:var(--sans);
}
.gtag{
  display:inline-block;margin-top:6px;font-size:11px;font-weight:600;color:var(--cinnabar);
  background:rgba(181,56,47,.08);border:1px solid rgba(181,56,47,.22);
  border-radius:3px;padding:2px 8px;
  font-family:var(--sans);
}

details.vocab{
  margin:26px 0 10px;border:1px solid var(--line);border-radius:6px 12px 6px 12px;
  background:var(--paper);padding:0 16px;box-shadow:var(--shadow-sm);
}
details.vocab summary{
  cursor:pointer;padding:13px 0;font-size:14.5px;font-weight:700;list-style:none;
  display:flex;align-items:center;gap:8px; font-family:var(--serif);
}
details.vocab summary::-webkit-details-marker{display:none;}
details.vocab ul{margin:0 0 14px;padding:0;list-style:none;}
details.vocab li{
  display:flex;justify-content:space-between;gap:14px;
  padding:9px 0;border-top:1px dashed var(--line);font-size:14px;
}
details.vocab li b{font-family:Georgia,serif;font-weight:600;}
details.vocab li span{color:var(--muted);text-align:right;}

/* ---------- 15选10 ---------- */
#cloze{display:none;}
.clozeCard{
  background:var(--paper);border:1px solid var(--line-strong);border-radius:6px 14px 6px 14px;
  padding:18px 20px;font-family:Georgia,"Times New Roman",var(--serif);font-size:16px;line-height:2.1;
  text-align:left;margin-bottom:14px;box-shadow:var(--shadow-sm);
}
.clozeCard p{margin:0 0 14px;}
.clz{display:inline-block;min-width:58px;margin:0 4px;padding:0 6px;border-bottom:2px solid var(--cinnabar);text-align:center;font-weight:600;font-family:var(--sans);}
.clz i{font-style:normal;color:var(--cinnabar);font-size:.8em;}
.clz.sel{background:rgba(181,56,47,.10);}
.clz.ok{border-color:var(--ok);color:var(--ok);}
.clz.bad{border-color:var(--bad);color:var(--bad);}
.clz s{color:var(--bad);margin-right:5px;font-weight:500;}
.clz .cw{color:var(--ok);}
.clzBank{display:flex;flex-wrap:wrap;gap:8px;}
.clzChip{border:1px solid var(--line-strong);background:var(--paper);color:var(--ink);border-radius:5px;padding:8px 11px;font-size:14px;cursor:pointer;font-family:Georgia,serif;box-shadow:var(--shadow-sm);transition:transform .1s;}
.clzChip:active{transform:scale(.94);}
.clzChip b{color:var(--cinnabar);margin-right:6px;font-family:var(--sans);}
.clzChip.sel{border-color:var(--cinnabar);background:rgba(181,56,47,.10);}
.clzChip.used{opacity:.4;}
.clzMeaning{display:none;margin-top:10px;font-size:13.5px;color:var(--muted);background:var(--paper-2);border-radius:6px;padding:10px 13px;line-height:1.7;}
.clzMeaning.shown{display:block;}
.clzMeaning b{color:var(--cinnabar);font-family:Georgia,serif;}

/* ---------- 录音跟读 ---------- */
#speak{display:none;}
.spHeadRow{display:flex;align-items:center;justify-content:space-between;margin:2px 0 6px;}
.spMeter{height:7px;background:var(--line);border-radius:99px;margin:2px 0 12px;overflow:hidden;}
#spLevel{height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--ok));border-radius:99px;transition:width .08s;}
#spTotalBar{height:100%;width:0;background:linear-gradient(90deg,var(--cinnabar),var(--gold));border-radius:99px;transition:width .25s;}
.spCurTop{display:flex;justify-content:space-between;align-items:center;}
.spCurEn{font-family:Georgia,'Times New Roman',var(--serif);font-size:19px;line-height:1.9;margin:8px 0 6px;}
.spCurCn{color:var(--muted);font-size:13.5px;margin:0;}
.spTimeRight{text-align:right;font-size:12px;color:var(--muted);}
.dl{padding:10px 0;border-bottom:1px dashed var(--line);}
.dl:last-child{border-bottom:0;}
.dl .who{display:inline-block;font-size:11.5px;font-weight:600;color:var(--cinnabar);background:rgba(181,56,47,.08);border-radius:3px;padding:2px 9px;margin-bottom:4px;font-family:var(--sans);}
.dl .en{margin:4px 0 0;font-family:Georgia,serif;font-size:16px;line-height:1.7;}
.dl .cn{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.7;}
.dl.hit .en{color:var(--ok);}
.dl.miss .en{color:var(--ink);}
.spLive{min-height:20px;font-size:13px;color:var(--muted);background:var(--paper-2);border-radius:6px;padding:8px 12px;margin-bottom:12px;font-style:italic;}
.spScore{text-align:center;padding:6px 0 2px;}
.spScore b{font-size:44px;font-family:Georgia,serif;color:var(--cinnabar);}
.spScore small{display:block;color:var(--muted);font-size:13px;margin-top:4px;}
.spDims{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 8px;}
.spDims div{background:var(--paper-2);border-radius:6px;padding:10px 0;text-align:center;border:1px solid var(--line);}
.spDims b{display:block;font-size:17px;}
.spDims span{font-size:11.5px;color:var(--muted);}
.spLine{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-top:1px dashed var(--line);font-size:13px;}
.spLine .t{flex:1;font-family:Georgia,serif;}
.spLine .p{font-weight:700;}
.spLine .p.g{color:var(--ok);} .spLine .p.y{color:var(--warn);} .spLine .p.r{color:var(--bad);}
audio.spRec{width:100%;margin-top:10px;}
.cnT{display:block;color:var(--muted);font-size:.88em;line-height:1.8;margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);font-family:var(--sans);}
#wStats{text-align:center;color:var(--muted);font-size:12.5px;margin-top:16px;}

/* ---------- 背词/测试隐藏 ---------- */
#words{display:none;}
#quiz{display:none;}

/* ---------- 提示气泡 ---------- */
#toast{
  position:fixed;left:50%;bottom:calc(88px + env(safe-area-inset-bottom));transform:translateX(-50%);
  background:rgba(30,24,14,.94);color:#f2ead6;font-size:13.5px;
  padding:10px 19px;border-radius:6px;z-index:120;
  box-shadow:0 10px 30px rgba(0,0,0,.3); border:1px solid rgba(201,143,45,.3);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .25s, visibility .25s;white-space:nowrap;max-width:92vw;
  overflow:hidden;text-overflow:ellipsis;
}
#toast.show{opacity:1;visibility:visible;}
.hide{display:none !important;}

/* ---------- 窄屏（手机）：书架变底栏 ---------- */

/* ---------- 翻页进度线 ---------- */
.readProg{height:3px;background:var(--chip);border-radius:99px;margin:0 2px 8px;overflow:hidden;}
#readProgBar{height:100%;width:0;background:linear-gradient(90deg,var(--gold),var(--cinnabar));border-radius:99px;transition:width .25s;}

/* ---------- 场景切换淡入 ---------- */
@keyframes sceneIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
#stage > section{animation:sceneIn .18s ease both;}

/* ---------- 词形还原 ---------- */
.wpBase{margin-top:4px;font-size:11px;color:var(--muted);}

  @media (max-width:979px){
  #shelf{
    left:0; right:0; top:auto; bottom:0; width:auto; height:auto;
    flex-direction:row; gap:2px; padding:6px 8px calc(6px + env(safe-area-inset-bottom));
    border-right:0; border-top:1px solid var(--line);
    background:var(--paper);
    box-shadow:0 -6px 24px rgba(70,55,25,.12);
  }
  #shelf::before{display:none;}
  .shelfItem{
    flex:1; flex-direction:column; gap:2px; padding:7px 0 5px;
    font-size:10px; letter-spacing:.5px; border-radius:8px; justify-content:center;
  }
  .shelfItem i{width:auto; font-size:17px;}
  .shelfItem.on::before{left:22%; right:22%; top:auto; bottom:0; width:auto; height:2.5px;}
  #stage{margin-left:0; padding:70px 16px calc(86px + env(safe-area-inset-bottom));}
  .deskGrid{grid-template-columns:1fr;}
  .meStats{margin-left:0; width:100%; justify-content:space-between;}
  .tbTitle{display:none;}
  .tbBrand span{display:none;}
  .bookCtl .seg{min-width:120px;}
  #toast{bottom:calc(80px + env(safe-area-inset-bottom));}
}
@media (max-width:420px){
  #stage{padding-left:12px;padding-right:12px;}
  .deskGreet h1{font-size:24px;}
  body.flip-on .leaf{padding:18px 18px 42px;}
  .flipClone{padding:18px 18px 42px;}
  .meSlogan{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01s !important; transition-duration:.01s !important;}
}

/* ---------- 点词查词弹层 ---------- */
.wordPop{
  position:fixed;z-index:220;width:262px;
  background:var(--paper);border:1px solid var(--line-strong);border-radius:6px 14px 6px 14px;
  padding:14px;box-shadow:var(--shadow);color:var(--ink);
  animation:wpIn .18s ease both;
}
@keyframes wpIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.wpWord{font-family:Georgia,serif;font-size:20px;font-weight:700;color:var(--cinnabar);}
.wpIpa{font-size:12.5px;color:var(--muted);margin-left:8px;font-weight:400;}
.wpTags{margin-top:6px;font-size:10.5px;color:var(--muted);letter-spacing:.5px;}
.wpMeaning{margin-top:8px;font-size:14px;line-height:1.6;}
.wpEx{margin-top:8px;font-size:12px;color:var(--muted);line-height:1.6;background:var(--paper-2);border-radius:6px;padding:7px 9px;}
.wpBtns{display:flex;gap:8px;margin-top:10px;}
.wpBtn{flex:1;border:1px solid var(--line-strong);background:var(--paper-2);color:var(--ink);
  border-radius:8px;padding:7px 0;font-size:12.5px;cursor:pointer;font-weight:600;}
.wpBtn:hover{border-color:var(--cinnabar);}

/* ---------- 难度芯片 ---------- */
.metaDiff{border-color:rgba(201,143,45,.45)!important;color:var(--gold)!important;}

/* ---------- 连续打卡 ---------- */
.streakChip{
  font-size:11px;font-weight:700;color:var(--gold);
  background:rgba(201,143,45,.12);border:1px solid rgba(201,143,45,.35);
  border-radius:999px;padding:3px 10px;white-space:nowrap;
}

/* ---------- 长篇阅读 · 段落匹配 ---------- */
.lrPara{margin:0 0 16px;position:relative;padding-left:40px;}
.lrLetter{
  position:absolute;left:0;top:2px;
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  background:var(--paper-2);border:1px solid var(--line-strong);border-radius:6px;
  font-family:var(--serif);font-size:13px;font-weight:700;color:var(--muted);
}
.lrPara.lrAnswer{background:rgba(74,124,70,.10);border-radius:10px;box-shadow:inset 0 0 0 1px rgba(74,124,70,.35);}
.lrPara.lrAnswer .lrLetter{background:var(--ok);color:#fbf6ea;border-color:var(--ok);}
.lrItem{
  display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap;
  background:var(--paper);border:1px solid var(--line);border-radius:6px 12px 6px 12px;
  padding:12px 14px;margin-bottom:10px;box-shadow:var(--shadow-sm);
}
.lrStmt{flex:1;min-width:240px;font-size:14.5px;line-height:1.7;}
.lrStmt b{color:var(--cinnabar);font-family:var(--serif);margin-right:4px;}
.lrSel{
  border:1px solid var(--line-strong);background:var(--paper-2);color:var(--ink);
  border-radius:8px;padding:7px 10px;font-size:14px;font-weight:700;cursor:pointer;
  font-family:var(--serif);min-width:86px;
}
.lrSel:focus{outline:2px solid var(--accent);outline-offset:1px;}
.lrOK{border-left:3px solid var(--ok)!important;}
.lrNO{border-left:3px solid var(--bad)!important;}

@media (max-width:979px){
  .bookCtl{row-gap:7px;padding:8px 10px;}
  .bookCtl .inkBtn{min-width:34px;height:34px;}
  .bookCtl .seg button{padding:7px 0;}
  .bookCtl .ttsBtn{padding:7px 12px;font-size:12.5px;}
  .meta{gap:5px;}
  .meta span{font-size:11px;padding:3px 8px;}
  .readProg{margin-bottom:6px;}
}
body.flip-on .para{margin-bottom:26px;}

/* =====================================================
   开屏动画 ·「朱砂落墨」
   墨滴坠落 → 涟漪晕开 → 题名逐字显影 → 印章盖下 → 墨化退场
   纯 CSS 播放（结尾 fill-forwards 自行隐藏，JS 只负责移除节点）；
   点击 / 滚轮 / 按键跳过；prefers-reduced-motion 直接关闭
   ===================================================== */
#splash{
  position:fixed; inset:0; z-index:999;
  background:
    radial-gradient(1100px 640px at 50% 30%, #201a10, #14100b 62%, #0d0a06);
  overflow:hidden;
  cursor:pointer;
  animation:spExit .65s cubic-bezier(.5,.05,.75,.4) 2.7s forwards,
            spFree 0s linear 2.7s forwards;
}
body:has(#splash){overflow:hidden;}
@keyframes spExit{
  0%{opacity:1; filter:blur(0); transform:scale(1);}
  100%{opacity:0; visibility:hidden; filter:blur(12px); transform:scale(1.06);}
}
@keyframes spFree{to{pointer-events:none; visibility:hidden;}}
/* 跳过：停掉全部子动画，整幕淡出 */
#splash.spSkip, #splash.spSkip *{animation:none !important; transition:none !important;}
#splash.spSkip{
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .35s ease, visibility 0s .35s;
}
@media (prefers-reduced-motion:reduce){
  #splash{display:none;}
}
#splash::after{ /* 暗角 */
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(120% 90% at 50% 42%, transparent 55%, rgba(0,0,0,.55));
}
.spStage{
  position:relative; width:100%; height:100%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  animation:spShake .3s ease 1.9s;
}
@keyframes spShake{
  0%,100%{transform:translate(0,0);}
  25%{transform:translate(-3px,2px);}
  50%{transform:translate(3px,-2px);}
  75%{transform:translate(-2px,-1px);}
}
.spHero{position:relative; display:flex;}
.spInk{ /* 朱砂墨晕 */
  position:absolute; left:50%; top:50%; z-index:0;
  width:52vmin; height:52vmin; margin:-26vmin 0 0 -26vmin;
  background:
    radial-gradient(circle, rgba(190,64,44,.36) 0%, rgba(190,64,44,.13) 42%, transparent 68%),
    radial-gradient(circle, rgba(201,143,45,.14) 0%, transparent 55%);
  filter:blur(8px); mix-blend-mode:screen;
  border-radius:52% 48% 44% 56%/58% 44% 56% 42%;
  opacity:0; transform:scale(.18) rotate(-10deg);
  animation:spInk 2.2s cubic-bezier(.2,.7,.3,1) .5s forwards;
}
@keyframes spInk{
  0%{opacity:0; transform:scale(.18) rotate(-10deg);}
  16%{opacity:1;}
  62%{transform:scale(1.02) rotate(7deg); border-radius:44% 56% 58% 42%/46% 58% 42% 54%;}
  100%{opacity:.92; transform:scale(1.1) rotate(2deg); border-radius:56% 44% 48% 52%/52% 46% 58% 44%;}
}
.spRipple{
  position:absolute; left:50%; top:50%; z-index:1;
  width:14px; height:14px; margin:-7px 0 0 -7px;
  border-radius:50%; border:1.5px solid rgba(232,124,92,.55);
  opacity:0; transform:scale(.2);
}
.spRipple.r1{animation:spRip 1.5s cubic-bezier(.2,.6,.3,1) .55s forwards;}
.spRipple.r2{animation:spRip 1.5s cubic-bezier(.2,.6,.3,1) .74s forwards;}
@keyframes spRip{
  0%{opacity:.9; transform:scale(.25);}
  100%{opacity:0; transform:scale(34);}
}
.spDrop{ /* 坠落的朱砂墨滴 */
  position:absolute; left:50%; top:50%; z-index:3;
  width:13px; height:19px; margin:-9px 0 0 -6px;
  background:radial-gradient(circle at 50% 24%, #ef7a55, #c0412f 52%, #7e1f16);
  border-radius:50%/58% 58% 44% 44%;
  box-shadow:0 0 14px rgba(212,85,63,.85), 0 0 34px rgba(212,85,63,.35);
  opacity:0; transform:translateY(-46vh) scale(.72);
  animation:spDrop .52s cubic-bezier(.42,0,.86,.62) .06s forwards,
            spDropFade .3s ease .55s forwards;
}
@keyframes spDrop{
  0%{opacity:0; transform:translateY(-46vh) scale(.72);}
  14%{opacity:1;}
  100%{opacity:1; transform:translateY(0) scale(1);}
}
@keyframes spDropFade{
  0%{opacity:1; transform:translateY(0) scale(1);}
  100%{opacity:0; transform:translateY(0) scale(2.2);}
}
.spTitle{
  position:relative; z-index:2; margin:0;
  font-family:var(--serif); font-weight:700;
  font-size:clamp(44px, 12vmin, 88px);
  letter-spacing:clamp(8px, 2.4vmin, 18px); text-indent:clamp(8px, 2.4vmin, 18px); /* 抵消末字字距，保持视觉居中 */
  color:#f2e7cc;
  text-shadow:0 0 24px rgba(212,85,63,.38), 0 4px 18px rgba(0,0,0,.45);
  white-space:nowrap;
}
.spTitle span{
  display:inline-block; opacity:0;
  filter:blur(14px); transform:translateY(16px) scale(1.5);
  animation:spChar .55s cubic-bezier(.2,.8,.3,1) forwards;
}
.spTitle span:nth-child(1){animation-delay:.8s;}
.spTitle span:nth-child(2){animation-delay:1.0s;}
.spTitle span:nth-child(3){animation-delay:1.2s;}
.spTitle span:nth-child(4){animation-delay:1.4s;}
@keyframes spChar{
  0%{opacity:0; filter:blur(14px); transform:translateY(16px) scale(1.5);}
  62%{opacity:1; filter:blur(0); transform:translateY(-3px) scale(.98);}
  100%{opacity:1; filter:blur(0); transform:translateY(0) scale(1);}
}
.spLine{ /* 一笔朱砂界线 */
  width:min(46vmin, 300px); height:2px; margin-top:16px; border-radius:2px;
  background:linear-gradient(90deg, transparent, rgba(212,85,63,.85) 20%, rgba(224,178,104,.9) 50%, rgba(212,85,63,.85) 80%, transparent);
  transform:scaleX(0);
  animation:spLine .65s cubic-bezier(.6,0,.2,1) 1.55s forwards;
}
@keyframes spLine{to{transform:scaleX(1);}}
.spSub{
  margin-top:13px;
  font-family:var(--serif); font-size:clamp(12px, 2.3vmin, 15px);
  letter-spacing:.55em; text-indent:.55em;
  color:rgba(216,184,122,.85);
  opacity:0; animation:spFade .55s ease 1.75s forwards;
}
@keyframes spFade{to{opacity:1;}}
.spSeal{ /* 落款印章（盖下 + 震屏 + 闪光） */
  position:relative; margin-top:30px;
  width:66px; height:66px;
  display:grid; grid-template-columns:1fr 1fr; place-items:center;
  background:linear-gradient(160deg, #c2412f, #93291f);
  border-radius:10px; color:#f6ecd2;
  font-family:var(--serif); font-size:17px; font-weight:700; line-height:1;
  box-shadow:inset 0 0 0 2px rgba(246,236,210,.4), inset 0 0 16px rgba(0,0,0,.3), 0 12px 34px rgba(181,56,47,.42);
  opacity:0; transform:scale(2.6) rotate(5deg);
  animation:spSeal .48s cubic-bezier(.3,1.5,.4,1) 1.9s forwards;
}
.spSeal b{font-weight:700;}
@keyframes spSeal{
  0%{opacity:0; transform:scale(2.6) rotate(5deg);}
  55%{opacity:1; transform:scale(.9) rotate(-7deg);}
  78%{transform:scale(1.05) rotate(-6deg);}
  100%{opacity:1; transform:scale(1) rotate(-6deg);}
}
.spFlash{
  position:absolute; inset:-46px; z-index:-1; border-radius:50%;
  background:radial-gradient(circle, rgba(212,85,63,.5) 0%, rgba(212,85,63,.18) 42%, transparent 65%);
  opacity:0; animation:spFlash .5s ease-out 1.9s forwards;
}
@keyframes spFlash{
  0%{opacity:0; transform:scale(.4);}
  30%{opacity:1;}
  100%{opacity:0; transform:scale(1.5);}
}
.spMotes{ /* 漂浮墨尘 */
  position:absolute; inset:0; overflow:hidden; pointer-events:none;
}
.spMotes i{
  position:absolute; bottom:-10px;
  border-radius:50%;
  background:rgba(212,85,63,.7);
  box-shadow:0 0 6px rgba(212,85,63,.6);
  opacity:0;
  animation:spMote linear infinite;
}
@keyframes spMote{
  0%{transform:translate(0,0); opacity:0;}
  14%{opacity:.75;}
  82%{opacity:.45;}
  100%{transform:translate(16px,-108vh); opacity:0;}
}

/* =====================================================
   游戏角：消消乐 / 拼词 / 快答 / 救援（gm* 前缀）
   ===================================================== */
#games{display:none;}
#gmStats{text-align:center; color:var(--muted); font-size:12.5px; margin-top:14px; line-height:1.8;}
.gmHud{
  display:flex; align-items:center; justify-content:center; gap:18px; flex-wrap:wrap;
  margin:0 2px 14px; font-size:13px; color:var(--muted); font-weight:700;
}
.gmHud b{color:var(--cinnabar); font-size:16px; font-family:var(--serif);}
.gmCombo{color:var(--gold); font-size:14px; min-width:56px; text-align:center;}
.gmLives{letter-spacing:2px;}
.gmBest2{color:var(--gold); font-size:13px; margin:10px 0 0;}
/* 消消乐：3D 翻牌 */
.gmBoard{
  display:grid; grid-template-columns:repeat(4,1fr); gap:10px;
  perspective:1200px; margin:0 2px;
}
.gmCard{
  position:relative; border:0; background:none; padding:0; cursor:pointer;
  aspect-ratio:3/3.6; min-height:74px; font-family:inherit;
}
.gmInner{
  position:absolute; inset:0; transform-style:preserve-3d;
  transition:transform .35s cubic-bezier(.4,.1,.3,1);
}
.gmCard.flip .gmInner, .gmCard.ok .gmInner{transform:rotateY(180deg);}
.gmFace{
  position:absolute; inset:0; border-radius:10px;
  backface-visibility:hidden; -webkit-backface-visibility:hidden;
  display:flex; align-items:center; justify-content:center; text-align:center;
  padding:6px; overflow:hidden;
}
.gmBack2{
  background:linear-gradient(150deg, var(--cinnabar), var(--cinnabar-deep));
  color:#fbf6ea; font-family:var(--serif); font-size:22px; font-weight:700;
  box-shadow:inset 0 0 0 2px rgba(251,246,234,.32), var(--shadow-sm);
}
.gmFront{
  transform:rotateY(180deg);
  background:var(--paper); border:1px solid var(--line-strong);
  font-family:var(--serif); font-size:clamp(11px, 1.5vw, 15px); font-weight:700; color:var(--ink);
  line-height:1.4; word-break:break-word;
  box-shadow:var(--shadow-sm);
}
.gmCard[data-kind="c"] .gmFront{font-size:clamp(10px, 1.3vw, 13px); font-weight:400; color:var(--muted);}
.gmCard.ok .gmFront{background:rgba(74,124,70,.10); border-color:var(--ok); color:var(--ok);}
.gmCard.bad .gmFront{background:rgba(181,56,47,.10); border-color:var(--bad);}
.gmCard.ok{animation:gmPop .4s cubic-bezier(.3,1.6,.4,1);}
/* 拼词：槽位 + 字母块 */
.gmSlots{display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin:16px 0;}
.gmSlot{
  width:34px; height:44px; border:0; border-bottom:2.5px solid var(--cinnabar);
  background:var(--paper-2); border-radius:6px 6px 0 0;
  font-family:var(--serif); font-size:20px; font-weight:700; color:var(--ink);
  cursor:pointer; transition:background .15s;
}
.gmSlot.filled{background:rgba(181,56,47,.08);}
.gmSlot.hinted{color:var(--gold);}
.gmSlots.gmShake{animation:gmShake .4s ease;}
.gmSlots.gmWin .gmSlot{border-color:var(--ok); background:rgba(74,124,70,.10);}
.gmTiles{display:flex; flex-wrap:wrap; gap:8px; justify-content:center;}
.gmTile{
  min-width:42px; height:46px; padding:0 8px;
  background:var(--paper); border:1px solid var(--line-strong); border-radius:9px;
  font-family:var(--serif); font-size:17px; font-weight:700; color:var(--ink);
  cursor:pointer; box-shadow:var(--shadow-sm); transition:transform .1s, opacity .15s;
}
.gmTile:hover{background:var(--paper-2);}
.gmTile:active{transform:scale(.93);}
.gmTile.used{opacity:.32; pointer-events:none; box-shadow:none;}
.gmOps{display:flex; align-items:center; justify-content:center; gap:12px; margin-top:16px;}
.gmWarn{font-size:12.5px; color:var(--bad); min-height:16px;}
.gmHint2{font-size:17px; color:var(--ink); line-height:1.6; margin-top:6px;}
.gmDetail{
  display:none; margin-top:16px; padding-top:14px;
  border-top:1px dashed var(--line-strong); text-align:left;
  font-size:13px; color:var(--muted); line-height:1.7;
}
.gmDetail.shown{display:block;}
.gmDetail b{font-family:var(--serif); font-size:19px; color:var(--cinnabar); margin-right:8px;}
.gmDetail i{font-style:normal; color:var(--muted); font-size:13px;}
.gmDetail .pt{float:right; color:var(--ok); font-weight:700;}
.gmDetail p{margin:6px 0 0;}
.gmDetail p.ex{font-style:italic;}
/* 快答 */
.gmPrompt{
  font-family:var(--serif); font-weight:800; color:var(--cinnabar);
  font-size:clamp(22px, 4.6vw, 32px); line-height:1.35;
  margin:6px 0 18px; word-break:break-word;
}
.gmPromptCn{font-size:clamp(17px, 3.4vw, 23px); font-weight:700; color:var(--ink);}
.gmOpts{display:flex; flex-direction:column; gap:8px;}
.gmOpts .qOpt{text-align:left;}
/* 救援：槽位 + QWERTY 键盘 */
.gmStatic{margin:14px 0 4px;}
.gmSlot2{
  width:30px; height:44px; border-bottom:2.5px solid var(--line-strong);
  display:inline-flex; align-items:flex-end; justify-content:center;
  font-family:var(--serif); font-size:20px; font-weight:700; color:var(--ink); margin:0 3px;
}
.gmSlot2.filled{border-color:var(--ok); color:var(--ok);}
.gmSlot2.missed{border-color:var(--bad); color:var(--bad);}
.gmKeys{margin-top:18px; display:flex; flex-direction:column; gap:7px; align-items:center;}
.gmKeyRow{display:flex; gap:5px; justify-content:center;}
.gmKey{
  min-width:34px; height:44px; padding:0 4px;
  background:var(--paper); border:1px solid var(--line-strong); border-radius:8px;
  font-family:var(--serif); font-size:14px; font-weight:700; color:var(--ink);
  cursor:pointer; transition:transform .1s, opacity .15s;
}
.gmKey:active{transform:scale(.92);}
.gmKey.used{opacity:.30;}
.gmKey.hit{background:rgba(74,124,70,.12); border-color:var(--ok); color:var(--ok); opacity:1;}
.gmKey.miss{background:rgba(181,56,47,.10); border-color:var(--bad); color:var(--bad);}
.gmKey:disabled{pointer-events:none;}
/* 消消乐复盘 */
.gmRecap{list-style:none; margin:0; padding:0; text-align:left;}
.gmRecap li{
  display:flex; align-items:baseline; gap:8px; padding:8px 4px;
  border-bottom:1px dashed var(--line); font-size:13.5px;
}
.gmRecap li:last-child{border-bottom:0;}
.gmRecap b{font-family:var(--serif); font-size:16px; color:var(--cinnabar); white-space:nowrap;}
.gmRecap i{font-style:normal; color:var(--muted); font-size:12px; white-space:nowrap;}
.gmRecap span{margin-left:auto; color:var(--ink); text-align:right;}
@keyframes gmShake{
  0%,100%{transform:translateX(0);}
  20%{transform:translateX(-7px);}
  40%{transform:translateX(7px);}
  60%{transform:translateX(-5px);}
  80%{transform:translateX(5px);}
}
@keyframes gmPop{
  0%{transform:scale(1);}
  45%{transform:scale(1.12);}
  100%{transform:scale(1);}
}
@media (max-width:979px){
  .gmBoard{gap:7px;}
  .gmCard{aspect-ratio:3/3.4; min-height:60px;}
  .gmBack2{font-size:18px;}
  .gmSlot{width:30px; height:40px; font-size:18px;}
  .gmSlot2{width:26px;}
  .gmKey{min-width:30px;}
}
@media (max-width:420px){
  .gmBoard{gap:6px;}
  .gmFront{font-size:10.5px;}
  .gmCard[data-kind="c"] .gmFront{font-size:9.5px;}
  .gmSlot{width:26px; height:38px; font-size:17px;}
  .gmSlot2{width:24px; height:40px; font-size:17px;}
  .gmTile{min-width:36px; height:42px;}
  .gmKey{min-width:29px; height:42px; font-size:12.5px;}
}