:root{
  --bg:#05070a; --ink:#eef1ea; --dim:#8d97a3;
  --amber:#ffb056; --cyan:#43e0c8; --rose:#ff5d7e;
  --line:rgba(255,176,86,.26); --panel:rgba(9,13,19,.82);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;}
#stage{position:fixed;inset:0}
canvas{display:block}
mjx-container{color:inherit;margin:0 2px}
.hud{position:fixed;z-index:5;background:var(--panel);border:1px solid var(--line);
  padding:14px 18px;backdrop-filter:blur(6px);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.btn{font-size:12px;letter-spacing:.14em;color:var(--ink);
  background:transparent;border:1px solid var(--line);padding:9px 16px;transition:.18s;
  clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,9px 100%,0 calc(100% - 9px));}
.btn:hover{background:var(--amber);color:#10131a;border-color:var(--amber)}
.btn.on{background:var(--cyan);color:#0c1413;border-color:var(--cyan);font-weight:700}
.hud-tl{top:16px;left:16px;display:flex;align-items:center;gap:18px}
.overline{font-size:9px;letter-spacing:.32em;color:var(--dim);text-transform:uppercase}
h1{font-family:"Bungee","Noto Sans SC",sans-serif;font-weight:700;font-size:22px;line-height:1.05;
  margin:5px 0 3px;color:var(--amber);text-shadow:0 0 22px rgba(255,176,86,.3)}
h1 em{font-style:normal;color:var(--cyan)}
.sub{font-size:11px;color:var(--dim);letter-spacing:.1em}
.troupe-ind{margin-top:9px;font-size:11px;color:var(--cyan);letter-spacing:.04em;
  padding:4px 10px;border:1px solid rgba(67,224,200,.35);display:inline-block;
  background:rgba(67,224,200,.06);}
.scorebox{border-left:1px solid var(--line);padding-left:18px;text-align:right;position:relative;min-width:96px}
.scorebox small{display:block;font-size:9px;letter-spacing:.3em;color:var(--dim);margin-bottom:2px}
#scoreVal{font-family:Bungee;font-size:34px;color:var(--cyan);font-weight:400;line-height:1;
  text-shadow:0 0 18px rgba(67,224,200,.4)}
#scoreVal.pop{animation:vpop .45s ease}
@keyframes vpop{0%{transform:scale(1)}40%{transform:scale(1.28);color:#fff}100%{transform:scale(1)}}
#scorePop{position:absolute;right:2px;top:-4px;color:var(--amber);font-weight:900;font-size:15px;opacity:0;pointer-events:none}
#scorePop.on{animation:spop 1.1s ease}
@keyframes spop{0%{opacity:0;transform:translateY(8px)}15%{opacity:1;transform:translateY(0)}70%{opacity:1}100%{opacity:0;transform:translateY(-14px)}}
#topbar{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:5;display:flex;gap:14px;
  background:var(--panel);border:1px solid var(--line);padding:12px 18px;
  clip-path:polygon(14px 0,100% 0,100% 100%,0 100%,0 14px)}
.tube{width:26px;height:86px;border:1px solid var(--line);border-radius:3px 3px 13px 13px;
  position:relative;overflow:hidden;background:rgba(255,255,255,.03)}
#tubeFill{position:absolute;left:0;right:0;bottom:0;height:0%;transition:height .6s;
  background:linear-gradient(180deg,#ffd27a,var(--amber),#ff7847);box-shadow:0 0 14px rgba(255,150,70,.8)}
.bub{position:absolute;width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.85);bottom:3px;opacity:0}
#topbar.live .bub{animation:rise 1.5s infinite}
.bub.b1{left:5px}.bub.b2{left:12px;animation-delay:.5s}.bub.b3{left:18px;animation-delay:.9s}
@keyframes rise{0%{transform:translateY(0);opacity:0}20%{opacity:.9}100%{transform:translateY(-72px);opacity:0}}
.tinfo{min-width:216px}
#streakTxt{font-family:Bungee,"Noto Sans SC",sans-serif;font-size:22px;color:var(--amber);font-weight:700}
#streakTxt small{font-size:11px;color:var(--dim);margin-left:8px;font-family:"Noto Sans SC"}
#danceInfo{font-size:11px;color:var(--dim);display:block;margin:4px 0 7px;letter-spacing:.1em}
.cdbar{height:4px;background:rgba(255,255,255,.08)}
#cdFill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--amber),var(--rose))}
#askPanel{position:fixed;left:16px;top:47%;transform:translateY(-50%);width:min(400px,92vw);z-index:6;
  max-height:90vh;overflow:auto;background:var(--panel);border:1px solid var(--line);
  padding:20px 22px;transition:.45s;
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%)}
#askPanel.off{opacity:0;transform:translateY(-50%) translateX(-36px);pointer-events:none}
.ask-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.cat{font-size:11px;font-weight:900;letter-spacing:.22em;padding:4px 10px}
.cat-化学{background:var(--amber);color:#171006}
.cat-生活{background:var(--cyan);color:#062019}
.ask-head b{font-size:12px;color:var(--dim);font-weight:400;letter-spacing:.1em;flex:1}
#askNo{font-size:12px;color:var(--dim)}
#askText{font-size:20px;font-weight:900;line-height:1.6;margin-bottom:15px}
/* ── 答题进度 ── */
.ask-prog{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.ask-prog span{font-size:11px;color:var(--cyan);letter-spacing:.05em;white-space:nowrap}
.ask-progbar{flex:1;height:5px;background:rgba(255,255,255,.08);border-radius:3px;overflow:hidden}
#askProgFill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--amber),var(--cyan));transition:width .5s}
.opt-row{display:flex;gap:12px;width:100%;text-align:left;padding:12px 14px;margin-bottom:9px;
  font-size:18px;line-height:1.5;color:var(--ink);
  background:transparent;border:1px solid var(--line);transition:.15s}
.opt-row b{font-family:Bungee;color:var(--amber);font-weight:400;flex:none;font-size:17px}
.opt-row:hover{background:rgba(255,176,86,.15)}
.opt-row.ok{background:#1e5c3a;border-color:#54d98c}
.opt-row.no{background:#5c1f2a;border-color:#ff5d7e}
.opt-row:disabled{cursor:default;opacity:.95}
.why{font-size:13.5px;line-height:1.7;margin-top:5px;display:none}
.why.show{display:block}
.why.good{color:#8fe6b0}.why.bad{color:#ffb3c0}
.ask-hint{font-size:11px;color:rgba(141,151,163,.65);margin-top:12px;letter-spacing:.08em}
#bonusPanel{position:fixed;right:16px;top:190px;width:min(360px,92vw);z-index:6;
  max-height:74vh;overflow:auto;background:var(--panel);border:1px solid rgba(67,224,200,.4);
  padding:16px 18px;opacity:0;transform:translateX(36px);transition:.4s;pointer-events:none}
#bonusPanel.on{opacity:1;transform:none;pointer-events:auto}
.bonus-head{font-size:12px;color:var(--cyan);letter-spacing:.14em;margin-bottom:10px;font-weight:700}
#bonusText{font-size:16px;font-weight:900;line-height:1.6;margin-bottom:11px}
#bonusPanel .opt-row{font-size:16px;padding:10px 12px;margin-bottom:8px}
#bonusPanel .opt-row b{font-size:15px}
#bonusWhy{font-size:13px}
#bonusTimer{display:block;height:3px;background:var(--cyan);width:100%;margin-top:9px}
.hud-tr{top:16px;right:16px;min-width:196px;padding:0;border:none;background:transparent;backdrop-filter:none}
.tr-progress{background:rgba(255,255,255,.04);border:1px solid var(--line);padding:7px 10px;margin-bottom:8px}
.tr-progress-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px}
.tr-progress-top span{font-size:9px;letter-spacing:.24em;color:var(--dim)}
.tr-progress-top b{font-family:Bungee;font-size:16px;font-weight:400;color:var(--amber)}
.tr-progressbar{height:7px;background:rgba(255,255,255,.08);border-radius:4px;overflow:hidden}
#trProgFill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--amber),var(--cyan));transition:width .5s}
.chip{display:flex;justify-content:space-between;gap:14px;font-size:12px;padding:2px 0}
.chip b{color:var(--dim);font-weight:400;font-size:10px}
.chip span{font-weight:700}
.chip span.flash{animation:chipflash .6s ease}
@keyframes chipflash{0%{color:var(--amber);transform:translateX(6px)}100%{color:var(--ink);transform:none}}
#accent{height:17px;font-size:12px;color:var(--rose);font-weight:900;letter-spacing:.1em;opacity:0}
#accent.on{animation:acc 1.5s ease}
@keyframes acc{0%{opacity:0;transform:scale(.6)}12%{opacity:1;transform:scale(1.1)}75%{opacity:1}100%{opacity:0}}
.hud-bl{bottom:16px;left:16px;display:flex;gap:16px;align-items:flex-end;padding:12px 16px}
.meters{display:flex;gap:9px;align-items:flex-end}
.meter{width:13px;text-align:center}
.meter .bar{width:100%;height:52px;background:rgba(255,255,255,.06);position:relative;overflow:hidden}
.meter .bar i{position:absolute;left:0;right:0;bottom:0;height:100%;transform-origin:bottom;transform:scaleY(0)}
.meter label{font-size:9px;color:var(--dim);margin-top:4px;display:block;letter-spacing:.15em}
#mBass i{background:var(--amber)} #mMid i{background:#9fe065} #mTreb i{background:var(--cyan)} #mVol i{background:#f2f2f2}
.bpmbox{padding-left:14px;border-left:1px solid var(--line)}
.bpmbox b{font-family:Bungee;font-size:24px;font-weight:400}
.bpmbox small{display:block;color:var(--dim);font-size:9px;letter-spacing:.22em;margin-top:1px}
#beatDot{width:10px;height:10px;border-radius:50%;background:var(--amber);margin:8px auto 0;box-shadow:0 0 12px var(--amber);opacity:.3}
.phbox{padding-left:14px;border-left:1px solid var(--line);width:140px}
.phbox small{display:block;color:var(--dim);font-size:9px;letter-spacing:.2em}
.phbox b{font-family:Bungee;font-size:22px;font-weight:400}
#phLab{font-size:10px;color:var(--cyan);margin-left:6px;font-weight:700}
.phbar{height:8px;position:relative;margin-top:6px;
  background:linear-gradient(90deg,#ff5348,#ffb056 30%,#b48cff 50%,#4da3ff 70%,#43e0c8)}
#phMark{position:absolute;top:-3px;width:3px;height:14px;background:#fff;left:50%;box-shadow:0 0 8px #fff}
.phbox .note{font-size:9px;color:rgba(141,151,163,.7);margin-top:5px}
.hud-br{bottom:16px;right:16px;text-align:left;padding:12px 16px}
.dock{display:flex;gap:7px;justify-content:flex-start;flex-wrap:wrap}
.src{margin-top:8px;font-size:11px;color:var(--dim);max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hint{margin-top:5px;font-size:10px;color:rgba(141,151,163,.65);letter-spacing:.08em}
.br-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:5px}
.copyright{font-size:10px;color:rgba(141,151,163,.55);letter-spacing:.04em;white-space:nowrap}
#stylePanel{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:15;
  width:min(380px,92vw);max-height:80vh;overflow:auto;background:var(--panel);
  border:1px solid var(--line);padding:18px 20px;backdrop-filter:blur(10px);transition:.25s;
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px));}
#stylePanel.off{opacity:0;pointer-events:none;transform:translate(-50%,-50%) scale(.94)}
.style-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;
  font-weight:900;color:var(--amber);letter-spacing:.12em;font-size:15px}
.style-item{padding:11px 13px;margin-bottom:9px;border:1px solid var(--line);cursor:pointer;transition:.15s}
.style-item:hover{background:rgba(255,176,86,.13)}
.style-item.sel{border-color:var(--cyan);background:rgba(67,224,200,.12)}
.style-item.locked{opacity:.45;cursor:not-allowed}
.style-item.locked:hover{background:transparent}
.style-name{font-weight:700;font-size:14px}
.style-name small{color:var(--dim);font-weight:400;margin-left:7px;font-size:11px;letter-spacing:.05em}
.style-meta{font-size:11px;color:var(--dim);margin-top:4px;letter-spacing:.03em}
.style-item.sel .style-meta{color:var(--cyan)}
.style-item.locked .style-meta{color:var(--rose)}
#summary{position:fixed;inset:0;z-index:22;display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,9,.9);transition:opacity .5s}
#summary.off{opacity:0;pointer-events:none}
.sumpanel{width:min(560px,92vw);background:var(--panel);border:1px solid var(--line);padding:26px 30px;
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));max-height:86vh;overflow:auto}
.sumpanel h2{font-family:Bungee,"Noto Sans SC";font-weight:700;color:var(--amber);font-size:24px;margin:8px 0 16px}
.sumstats{display:flex;gap:12px;flex-wrap:wrap}
.sumstats div{flex:1;min-width:100px;border:1px solid var(--line);padding:10px;text-align:center}
.sumstats b{font-family:Bungee;font-size:22px;font-weight:400;display:block;color:var(--cyan)}
.sumstats small{color:var(--dim);font-size:9px;letter-spacing:.18em}
.sumbtns{display:flex;gap:10px;margin-top:22px}
/* ── 玩家信息 ── */
.player-chip{display:flex;align-items:center;gap:8px;margin-bottom:8px;padding:4px 10px 4px 4px;
  border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.03);max-width:200px}
.player-chip img{width:26px;height:26px;border-radius:50%;object-fit:cover;background:rgba(255,255,255,.08)}
.player-chip span{font-size:12px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600}
.cover-player{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:26px}
.cover-avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;border:2px solid var(--line);background:rgba(255,255,255,.06)}
.cover-nick{font-size:14px;color:var(--ink);letter-spacing:.06em;font-weight:600}
/* ── 排行榜面板 ── */
#rankPanel{position:fixed;inset:0;z-index:29;display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,9,.88);transition:opacity .3s}
#rankPanel.off{opacity:0;pointer-events:none}
.rank-panel{width:min(520px,94vw);max-height:86vh;overflow:auto;background:var(--panel);
  border:1px solid var(--line);padding:18px 22px;
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px))}
.rank-tabs{display:flex;gap:8px;margin:14px 0 12px}
.rank-tab{font-size:13px;letter-spacing:.1em;color:var(--dim);border:1px solid var(--line);
  padding:6px 16px;transition:.18s}
.rank-tab.on{background:var(--amber);color:#10131a;border-color:var(--amber);font-weight:700}
.rank-tab:not(.on):hover{color:var(--ink);border-color:var(--amber)}
.rank-mine{margin-bottom:10px}
.rank-mine-txt{font-size:13px;color:var(--cyan);padding:8px 10px;border:1px solid rgba(67,224,200,.35);
  background:rgba(67,224,200,.06);margin-bottom:2px}
.rank-loading,.rank-empty{color:var(--dim);font-size:13px;padding:20px 4px;text-align:center;line-height:1.8}
.rank-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-bottom:1px solid rgba(255,255,255,.04)}
.rank-item.top1{background:rgba(255,176,86,.08)}.rank-item.top2{background:rgba(255,255,255,.04)}.rank-item.top3{background:rgba(255,176,86,.03)}
.rank-no{width:30px;text-align:center;font-family:Bungee;font-size:16px;color:var(--dim)}
.rank-item.top1 .rank-no{color:var(--amber);font-size:20px}
.rank-item.top2 .rank-no{color:#d8dce2}.rank-item.top3 .rank-no{color:#c98a5a}
.rank-av{width:30px;height:30px;border-radius:50%;object-fit:cover;background:rgba(255,255,255,.06)}
.rank-nick{flex:1;font-size:13px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-score{font-family:Bungee;font-size:15px;color:var(--cyan);font-style:normal}
/* ── 复盘面板 ── */
#review{position:fixed;inset:0;z-index:29;display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,9,.88);transition:opacity .3s}
#review.off{opacity:0;pointer-events:none}
.review-panel{width:min(680px,94vw);max-height:86vh;overflow:auto;background:var(--panel);
  border:1px solid var(--line);padding:18px 22px;
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px))}
.rev-empty{color:var(--dim);font-size:13px;padding:18px 4px}
.rev-item{border:1px solid var(--line);padding:11px 13px;margin-bottom:10px}
.rev-item.ok{border-left:3px solid #54d98c}
.rev-item.no{border-left:3px solid #ff5d7e}
.rev-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rev-tag{font-weight:900;font-size:15px}
.rev-item.ok .rev-tag{color:#54d98c}
.rev-item.no .rev-tag{color:#ff5d7e}
.rev-tag.tu{color:var(--amber)}
.rev-item.no .rev-tag.tu{color:var(--amber)}
.rev-q{font-weight:700;font-size:14px;flex:1;min-width:200px}
.rev-bonus{font-style:normal;font-size:10px;color:#10131a;background:var(--cyan);padding:1px 6px;border-radius:3px}
.rev-cat{font-size:10px;color:var(--dim)}
.rev-ans{font-size:12px;color:var(--dim);margin-top:6px}
.rev-ans b{color:var(--ink);font-weight:700}
.rev-item.no .rev-ans b:first-child{color:#ffb3c0}
.rev-why{font-size:12px;color:var(--dim);margin-top:5px;line-height:1.7}
#toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%) translateY(20px);z-index:30;
  background:var(--panel);border:1px solid var(--line);padding:10px 20px;font-size:13px;opacity:0;transition:.35s;pointer-events:none}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
/* ── 初始封面 ── */
#cover{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;
  background:rgba(5,7,10,.82);backdrop-filter:blur(8px);transition:opacity 1s;}
#cover.off{opacity:0;pointer-events:none}
.cover-inner{max-width:680px;text-align:center;padding:40px 24px 80px;animation:coverIn 1.6s ease both;}
@keyframes coverIn{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}
.cover-kicker{font-size:12px;letter-spacing:.5em;color:var(--dim);text-transform:uppercase;margin-bottom:22px;}
.cover-title{font-family:"Bungee","Noto Sans SC",sans-serif;font-weight:900;
  font-size:clamp(42px,8vw,76px);color:var(--amber);letter-spacing:.12em;margin-bottom:38px;
  text-shadow:0 0 46px rgba(255,176,86,.35);}
.cover-slogan{font-size:clamp(14px,2vw,17px);line-height:2.15;color:var(--ink);
  letter-spacing:.05em;margin-bottom:30px;opacity:.86;}
.cover-load{max-width:340px;margin:0 auto 30px}
.cover-load-track{height:6px;border:1px solid var(--line);border-radius:4px;overflow:hidden;
  background:rgba(255,255,255,.04);}
#loadBar{display:block;height:100%;width:0%;border-radius:4px;
  background:linear-gradient(90deg,var(--amber),var(--cyan));
  box-shadow:0 0 12px rgba(255,176,86,.5);transition:width .35s ease;}
.cover-load-txt{margin-top:9px;font-size:11px;color:var(--dim);letter-spacing:.14em;}
.cover-start{font-family:"Noto Sans SC";font-weight:700;font-size:18px;letter-spacing:.4em;text-indent:.4em;
  padding:16px 56px;color:var(--amber);background:transparent;border:2px solid var(--amber);cursor:pointer;
  transition:.3s;clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);}
.cover-start:hover{background:var(--amber);color:#10131a;box-shadow:0 0 44px rgba(255,176,86,.5);}
.cover-foot{position:absolute;left:0;right:0;bottom:26px;text-align:center;
  font-size:12px;letter-spacing:.22em;color:var(--dim);opacity:.7;}
/* ── 通关面板 ── */
#clearPanel{position:fixed;inset:0;z-index:26;display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,9,.85);backdrop-filter:blur(6px);transition:opacity .8s;}
#clearPanel.off{opacity:0;pointer-events:none}
.clear-inner{max-width:620px;text-align:center;padding:40px 30px;animation:coverIn 1.2s ease both;}
.clear-badge{font-size:64px;margin-bottom:18px;animation:badgePop 1s ease both .3s;}
@keyframes badgePop{from{transform:scale(0) rotate(-30deg);}to{transform:scale(1) rotate(0);}}
.clear-title{font-family:"Noto Sans SC";font-weight:900;font-size:clamp(32px,6vw,52px);color:var(--amber);
  letter-spacing:.15em;margin-bottom:26px;text-shadow:0 0 40px rgba(255,176,86,.4);}
.clear-msg{font-size:15px;line-height:2.1;color:var(--ink);letter-spacing:.04em;margin-bottom:34px;opacity:.9;}
.clear-stats{display:flex;gap:14px;justify-content:center;margin-bottom:36px;flex-wrap:wrap;}
.clear-stats div{border:1px solid var(--line);padding:12px 26px;background:rgba(255,255,255,.03);}
.clear-stats b{font-family:Bungee;font-size:26px;font-weight:400;display:block;color:var(--cyan);}
.clear-stats small{color:var(--dim);font-size:10px;letter-spacing:.18em;}
.clear-report{border:1px solid var(--line);background:rgba(255,255,255,.03);padding:16px 18px;margin-bottom:30px;}
.clear-report-title{font-size:13px;font-weight:900;color:var(--amber);letter-spacing:.22em;margin-bottom:14px;}
.clear-report .clear-stats{margin-bottom:0;}
.clear-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.clear-btn{font-size:15px;letter-spacing:.4em;text-indent:.4em;padding:14px 36px;}
#btnWrongBook{border-color:var(--cyan);color:var(--cyan);}
#btnWrongBook:hover{background:var(--cyan);color:#0c1413;border-color:var(--cyan);}
/* ── 错题本面板 ── */
#wrongbook{position:fixed;inset:0;z-index:28;display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,9,.88);transition:opacity .3s;}
#wrongbook.off{opacity:0;pointer-events:none}
/* ── 下方解锁新曲风提示 ── */
#unlockToast{position:fixed;bottom:80px;right:16px;z-index:20;text-align:right;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,176,86,.18),rgba(255,176,86,.05));
  border:1px solid rgba(255,176,86,.55);border-left:3px solid var(--amber);
  padding:10px 16px 12px;border-radius:8px;box-shadow:0 8px 28px rgba(0,0,0,.45);
  transform:translateX(120%);opacity:0;transition:transform .45s cubic-bezier(.2,1.2,.4,1),opacity .45s}
#unlockToast.on{transform:translateX(0);opacity:1}
#unlockToast .ut-title{font-size:15px;font-weight:900;color:var(--amber);letter-spacing:.06em;white-space:nowrap;text-shadow:0 0 18px rgba(255,176,86,.5)}
#unlockToast .ut-title b{font-size:17px}
#fatal{position:fixed;left:0;right:0;bottom:0;z-index:40;background:#3a0d13;color:#ffd7dd;
  border-top:1px solid #ff5d7e;padding:12px 20px;font-size:13px;display:none;word-break:break-all}
@media(max-width:900px){.hud-tr,.phbox,.bpmbox,#topbar{display:none}h1{font-size:18px}#scoreVal{font-size:26px}}
@media(max-width:600px){.meters{display:none}.sub{display:none}.cover-slogan{line-height:1.9}}