/* ==========================================================================
   听知 · 分级英语听力馆
   视觉基准：听知小红书风格（暖米底 / 暖褐字 / 陶土橙强调 / 橄榄绿副色 / 贴纸感卡片）
   色板严格取自 听知笔记风格体系/STYLE.md，不得自行替换
   ========================================================================== */

:root{
  --bg:#F7ECDD;
  --ink:#4A4438;
  --orange:#C4622D;
  --green:#6F8560;
  --green-d:#7E9370;
  --card:#FFFDF8;
  --muted:#9A8B76;
  --blob-o:#EBBE8B;
  --blob-g:#C9D3BC;
  --soft:#F1E5D2;
  --line:rgba(154,139,118,.26);
  --shadow:rgba(94,72,42,.16);
  --shadow-strong:rgba(94,72,42,.28);
  --r:22px;
  --tap:44px;
}

*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;max-width:100%;overflow-x:hidden}
body{
  background:var(--bg);color:var(--ink);min-height:100vh;position:relative;overflow-x:hidden;
  font-family:'PingFang SC','Hiragino Sans GB',-apple-system,BlinkMacSystemFont,'Microsoft YaHei',sans-serif;
  line-height:1.6;padding-bottom:96px;
}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{border:none;background:none;cursor:pointer}
a{color:inherit;text-decoration:none}
::selection{background:rgba(196,98,45,.2)}

/* ---------- 背景光斑 ---------- */
.blob{position:fixed;border-radius:50%;pointer-events:none;z-index:0;filter:blur(2px)}
.b1{width:420px;height:420px;background:var(--blob-o);opacity:.5;left:-160px;top:-140px}
.b2{width:320px;height:320px;background:var(--blob-g);opacity:.45;right:-120px;top:38vh}
.b3{width:280px;height:280px;background:var(--blob-o);opacity:.32;left:-100px;bottom:6vh}

/* ---------- 布局 ---------- */
#app,.topbar,.tabbar{position:relative;z-index:1}
#app{width:100%;max-width:760px;margin:0 auto;padding:0 16px}
.section{margin-top:26px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px;padding:0 2px}
.section-head h2{font-size:19px;font-weight:800;letter-spacing:.5px}
.section-head .more{font-size:13px;color:var(--orange);font-weight:700}

/* ---------- 顶栏 ---------- */
.topbar{
  max-width:760px;margin:0 auto;padding:14px 16px 10px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand img{
  width:42px;height:42px;border-radius:50%;object-fit:cover;flex-shrink:0;
  border:3px solid #fff;box-shadow:0 6px 16px var(--shadow);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-txt b{font-size:17px;font-weight:800;letter-spacing:1px}
.brand-txt span{font-size:11px;color:var(--muted);letter-spacing:.5px;white-space:nowrap}
.topnav{display:flex;gap:4px}
.topnav a{
  padding:7px 14px;border-radius:999px;font-size:14px;font-weight:700;color:var(--muted);
  transition:.16s;
}
.topnav a:hover{background:rgba(255,253,248,.85);color:var(--ink)}
.topnav a.on{background:var(--orange);color:#fff;box-shadow:0 6px 14px rgba(196,98,45,.28)}

/* ---------- 底部 tabbar（手机） ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:40;
  background:rgba(255,253,248,.96);backdrop-filter:blur(14px);
  border-top:1px solid rgba(196,98,45,.16);box-shadow:0 -6px 22px rgba(94,72,42,.1);
  padding:6px 0 max(6px,env(safe-area-inset-bottom));
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;
  font-size:11px;font-weight:700;color:var(--muted);padding:5px 0;
}
.tabbar a .ic{font-size:19px;line-height:1}
.tabbar a.on{color:var(--orange)}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--card);border-radius:var(--r);
  box-shadow:0 0 0 5px #fff,0 12px 26px var(--shadow);
  padding:18px;
}
.card + .card{margin-top:16px}
.card.tight{padding:14px}
.card.flat{box-shadow:0 0 0 4px #fff,0 6px 16px var(--shadow)}

/* ---------- hero ---------- */
.hero{
  margin-top:6px;padding:26px 20px 24px;text-align:center;position:relative;
  background:linear-gradient(160deg,#FFF8EC 0%,#FFFDF8 60%);
  border-radius:26px;box-shadow:0 0 0 6px #fff,0 16px 34px var(--shadow);
}
.hero .mascot{
  width:128px;height:128px;object-fit:contain;margin:0 auto 12px;
  filter:drop-shadow(0 12px 22px rgba(94,72,42,.24));
}
.hero h1{font-size:26px;font-weight:800;letter-spacing:1px;line-height:1.3}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p{font-size:14px;color:var(--green);font-weight:700;margin-top:8px}
.hero .slogan{
  margin-top:14px;display:inline-block;padding:6px 18px;border-radius:999px;
  background:rgba(196,98,45,.1);color:var(--orange);font-size:13px;font-weight:800;letter-spacing:2px;
}
.hero-stats{display:flex;justify-content:center;gap:26px;margin-top:18px}
.hero-stats .s{text-align:center;min-width:0}
.hero-stats .s b{display:block;font-size:22px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums}
.hero-stats .s span{font-size:11.5px;color:var(--muted)}

/* ---------- 级别入口 ---------- */
.levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}
.lv-card{
  background:var(--card);border-radius:18px;padding:16px 10px;text-align:center;
  box-shadow:0 0 0 4px #fff,0 10px 22px var(--shadow);transition:.18s;
  border:2px solid transparent;min-width:0;overflow:hidden;
}
.lv-card:hover{transform:translateY(-3px);border-color:var(--blob-o)}
.lv-card .code{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:50%;background:var(--green-d);color:#fff;
  font-size:16px;font-weight:800;letter-spacing:.5px;margin-bottom:8px;
  box-shadow:0 6px 14px rgba(94,72,42,.22);
}
.lv-card:nth-child(2) .code{background:var(--orange)}
.lv-card:nth-child(3) .code{background:#8A7A63}
.lv-card .t{font-size:13.5px;font-weight:800;line-height:1.3}
.lv-card .d{font-size:11.5px;color:var(--muted);margin-top:2px}
.lv-card .m{font-size:11px;color:var(--orange);font-weight:700;margin-top:6px}

/* ---------- 今日推荐 ---------- */
.today{
  display:flex;gap:14px;align-items:center;
}
.today .thumb{
  width:74px;height:74px;border-radius:16px;object-fit:cover;flex-shrink:0;
  box-shadow:0 0 0 4px #fff,0 8px 18px var(--shadow);background:var(--soft);
}
.today .info{flex:1;min-width:0}
.today .info .lvtag{font-size:11px;font-weight:800;color:var(--green);letter-spacing:1px}
.today .info h3{font-size:16.5px;font-weight:800;margin:2px 0 2px;line-height:1.3}
.today .info .cn{font-size:12.5px;color:var(--muted)}
.today .info .meta{font-size:11.5px;color:var(--muted);margin-top:5px}
.today .go{
  width:44px;height:44px;border-radius:50%;background:var(--orange);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;
  box-shadow:0 8px 18px rgba(196,98,45,.32);
}

/* ---------- 进度条 ---------- */
.progress{height:9px;border-radius:99px;background:var(--soft);overflow:hidden;margin-top:8px}
.progress i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--orange),#D98A54)}
.stat-row{display:flex;gap:10px;margin-top:14px}
.stat-row .st{flex:1;min-width:0;text-align:center;background:var(--soft);border-radius:14px;padding:10px 6px}
.stat-row .st b{display:block;font-size:19px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums}
.stat-row .st span{font-size:11px;color:var(--muted)}

/* ---------- 筛选 chip ---------- */
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 8px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex-shrink:0;padding:8px 16px;border-radius:999px;background:var(--card);
  font-size:13px;font-weight:700;color:var(--muted);white-space:nowrap;
  box-shadow:0 0 0 3px #fff,0 4px 12px var(--shadow);transition:.16s;
}
.chip.on{background:var(--green-d);color:#fff;box-shadow:0 0 0 3px #fff,0 6px 16px rgba(94,72,42,.3)}
.chip.lv.on{background:var(--orange)}

/* ---------- 篇目列表 ---------- */
.list{display:flex;flex-direction:column;gap:11px}
.item{
  display:flex;gap:13px;align-items:center;background:var(--card);border-radius:18px;
  padding:13px 15px;box-shadow:0 0 0 4px #fff,0 8px 18px var(--shadow);transition:.16s;
  border-left:4px solid transparent;
}
.item:hover{transform:translateX(3px);border-left-color:var(--blob-o)}
.item.done{border-left-color:var(--green-d)}
.item.locked{opacity:.62}
.item .no{
  width:40px;height:40px;border-radius:12px;background:var(--soft);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  color:var(--muted);font-variant-numeric:tabular-nums;
}
.item.done .no{background:var(--green-d);color:#fff}
.item .body{flex:1;min-width:0}
.item .body .en{font-size:15px;font-weight:800;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .body .cn{font-size:12.5px;color:var(--muted);margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .body .tags{display:flex;gap:6px;margin-top:5px;flex-wrap:wrap}
.item .body .tags span{
  font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:999px;
  background:rgba(111,133,96,.13);color:var(--green);
}
.item .body .tags span.warn{background:rgba(196,98,45,.12);color:var(--orange)}
.item .right{text-align:right;flex-shrink:0}
.item .right .dur{font-size:12px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums}
.item .right .st{font-size:10.5px;color:var(--muted);margin-top:3px}

/* ---------- 精听页 ---------- */
.learn-head{display:flex;align-items:center;gap:12px;margin-top:8px}
.back{
  width:38px;height:38px;border-radius:50%;background:var(--card);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 0 0 3px #fff,0 6px 14px var(--shadow);
}
.learn-head .t{flex:1;min-width:0}
.learn-head .t .en{font-size:17px;font-weight:800;line-height:1.25}
.learn-head .t .cn{font-size:12.5px;color:var(--muted)}

.now{
  margin-top:14px;background:linear-gradient(165deg,#FFF8EC,#FFFDF8);
  border-radius:24px;padding:18px 18px 16px;
  box-shadow:0 0 0 6px #fff,0 14px 30px var(--shadow);
}
.now .hero-img{
  width:100%;max-width:200px;margin:0 auto 12px;border-radius:16px;
  box-shadow:0 0 0 4px #fff,0 8px 18px var(--shadow);
}
/* 精听页顶部的信息药丸 */
.now-meta{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin-bottom:16px}
.mpill{
  font-size:11.5px;font-weight:800;padding:5px 13px;border-radius:999px;
  background:var(--soft);color:#6B6353;letter-spacing:.3px;
}
.mpill.on{background:var(--green-d);color:#fff}
.bar-wrap{display:flex;align-items:center;gap:10px}
.seek{
  flex:1;height:6px;border-radius:99px;background:var(--soft);position:relative;cursor:pointer;
}
.seek i{position:absolute;left:0;top:0;bottom:0;border-radius:99px;background:var(--orange);width:0}
.seek .dot{
  position:absolute;top:50%;width:14px;height:14px;border-radius:50%;background:#fff;
  border:3px solid var(--orange);transform:translate(-50%,-50%);left:0;pointer-events:none;
  box-shadow:0 3px 8px rgba(196,98,45,.3);
}
.time{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.transport{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:14px}
.tbtn{
  width:46px;height:46px;border-radius:50%;background:var(--soft);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
  color:var(--ink);transition:.15s;
}
.tbtn:active{transform:scale(.94)}
.tbtn.on{background:var(--green-d);color:#fff}
.play{
  width:64px;height:64px;border-radius:50%;background:var(--orange);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;
  box-shadow:0 10px 24px rgba(196,98,45,.36);transition:.15s;
}
.play:active{transform:scale(.94)}
.opts{display:flex;justify-content:center;gap:8px;margin-top:14px;flex-wrap:wrap}
.opt{
  padding:7px 14px;border-radius:999px;background:var(--soft);font-size:12.5px;
  font-weight:700;color:#6B6353;transition:.15s;
}
.opt.on{background:var(--green-d);color:#fff}
.opt.rate{font-variant-numeric:tabular-nums}

/* 篇级操作：上一篇 / 重播本篇 / 下一篇（与句级主控区分开） */
.pager{
  display:flex;justify-content:center;gap:9px;margin-top:15px;padding-top:14px;
  border-top:1px dashed var(--line);
}
.pbtn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 15px;border-radius:999px;background:var(--soft);
  font-size:12.5px;font-weight:800;color:#6B6353;transition:.15s;white-space:nowrap;
}
.pbtn:hover{background:var(--green-d);color:#fff}
.pbtn:active{transform:scale(.97)}
.pbtn.dis{opacity:.38;pointer-events:none}

/* 字幕 */
/* 字幕：固定视窗，一屏约 3 句，只在框内滚动（不再带着整个页面跑） */
.subs{
  margin-top:18px;display:flex;flex-direction:column;gap:9px;
  max-height:268px;overflow-y:auto;overscroll-behavior:contain;
  padding:10px 8px 10px 8px;position:relative;
  background:rgba(255,253,248,.5);
  border:1.5px solid rgba(154,139,118,.2);border-radius:18px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:var(--blob-o) transparent;
}
.subs::-webkit-scrollbar{width:8px}
.subs::-webkit-scrollbar-thumb{background:var(--blob-o);border-radius:99px}
.subs::-webkit-scrollbar-thumb:hover{background:var(--orange)}
.subs::-webkit-scrollbar-track{background:transparent}

/* 语速下拉框 */
.ratesel{
  display:inline-flex;align-items:center;gap:7px;background:var(--soft);
  border-radius:999px;padding:4px 10px 4px 15px;font-weight:700;color:#6B6353;
}
.ratesel span{font-size:11.5px;opacity:.7}
.ratesel select{
  appearance:none;-webkit-appearance:none;border:none;background:transparent;
  font-size:13px;font-weight:800;color:var(--ink);cursor:pointer;
  padding:4px 19px 4px 2px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%234A4438' stroke-width='1.6' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;background-position:right 3px center;
}
.ratesel select:focus{outline:none}
.line{
  background:var(--card);border-radius:16px;padding:13px 46px 13px 15px;cursor:pointer;
  box-shadow:0 0 0 4px #fff,0 6px 16px var(--shadow);transition:.18s;
  border-left:4px solid transparent;position:relative;
}
.line:hover{border-left-color:var(--blob-o)}
.line.cur{
  background:#FFF6E8;border-left-color:var(--orange);
  box-shadow:0 0 0 4px #fff,0 8px 20px rgba(196,98,45,.22);
}
.line.cur .en{color:#3B3529}

/* 跟读麦克风 */
.line .rec{
  position:absolute;right:9px;bottom:9px;width:30px;height:30px;border-radius:50%;
  background:var(--soft);font-size:12.5px;display:flex;align-items:center;
  justify-content:center;opacity:.5;transition:.15s;z-index:2;
}
.line:hover .rec,.line.cur .rec{opacity:1}
.line .rec.on{background:var(--orange);color:#fff;opacity:1;animation:pulse 1s infinite}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(196,98,45,.5)}
  50%{box-shadow:0 0 0 9px rgba(196,98,45,0)}
}
.compare{display:flex;gap:8px;margin-top:10px;position:relative;z-index:2}
.cbtn{
  font-size:12px;font-weight:800;padding:6px 14px;border-radius:999px;
  background:var(--green-d);color:#fff;
}
.cbtn.orig{background:var(--soft);color:#6B6353}
.line .en{font-size:15.5px;font-weight:700;line-height:1.5;color:var(--ink)}
.line .en b{color:var(--orange);font-weight:800}
.line .zh{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.5}
/* 字幕四态：类名由 JS 写成 subs-both / subs-en / subs-zh / subs-none，这里必须一致 */
.subs.subs-en .zh{display:none}
.subs.subs-zh .en{display:none}
.subs.subs-none .en,.subs.subs-none .zh{display:none}
.subs.subs-none .line{background:var(--soft);box-shadow:0 0 0 3px #fff,0 4px 10px var(--shadow)}
.subs.subs-none .line::before{content:'点一下听这句';font-size:12.5px;color:var(--muted)}
.subs.subs-none .line.cur::before{content:'正在播放';color:var(--orange);font-weight:800}

/* 词卡 */
.words{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}
.word{
  background:var(--card);border-radius:14px;padding:10px 14px;cursor:pointer;
  box-shadow:0 0 0 4px #fff,0 6px 14px var(--shadow);transition:.15s;
  min-width:104px;
}
.word:hover{transform:translateY(-2px)}
.word:active{transform:scale(.97)}
.word .w{font-size:15px;font-weight:800;color:var(--ink)}
.word .ipa{font-size:10.5px;color:var(--green);margin-top:1px}
.word .zh{font-size:12px;color:var(--muted);margin-top:2px}

/* 理解题 */
.quiz .q{margin-bottom:16px}
.quiz .q:last-child{margin-bottom:0}
.quiz .qno{
  display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;
  border-radius:50%;background:var(--green-d);color:#fff;font-size:12px;font-weight:800;
  margin-right:8px;flex-shrink:0;
}
.quiz .qt{display:flex;align-items:flex-start;font-size:15px;font-weight:700;line-height:1.5}
.quiz .qzh{font-size:12.5px;color:var(--muted);margin:5px 0 8px 32px}
.quiz textarea,.quiz input{
  width:100%;border:2px solid var(--line);border-radius:12px;padding:10px 12px;
  background:#fff;font-size:14px;resize:vertical;min-height:44px;
}
.quiz textarea:focus,.quiz input:focus{outline:none;border-color:var(--orange)}
.answer{
  margin-top:9px;background:rgba(111,133,96,.1);border-radius:12px;padding:11px 14px;
  font-size:13.5px;line-height:1.6;display:none;
}
.answer.show{display:block}
.answer b{color:var(--green);display:block;font-size:12px;margin-bottom:3px;letter-spacing:.5px}
.answer .zh{color:var(--muted);font-size:12.5px;margin-top:3px}

/* 空状态 */
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty img{width:96px;margin:0 auto 14px;opacity:.8}
.empty p{font-size:14px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 22px;border-radius:999px;font-size:14.5px;font-weight:800;
  background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(196,98,45,.3);
  transition:.15s;letter-spacing:.5px;
}
.btn:active{transform:scale(.97)}
.btn.ghost{background:var(--card);color:var(--green);box-shadow:0 0 0 4px #fff,0 6px 14px var(--shadow)}
.btn.block{width:100%}
.btn.sm{padding:9px 16px;font-size:13px}

/* 打卡 */
.checkin{display:flex;align-items:center;gap:16px}
.checkin .ring{
  width:82px;height:82px;border-radius:50%;flex-shrink:0;position:relative;
  background:conic-gradient(var(--orange) calc(var(--p,0)*1%),var(--soft) 0);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 5px #fff,0 10px 22px var(--shadow);
}
.checkin .ring::before{content:'';position:absolute;inset:9px;border-radius:50%;background:var(--card)}
.checkin .ring b{position:relative;font-size:25px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums}
.checkin .ring b em{font-style:normal;font-size:12px;color:var(--muted);font-weight:700}
.checkin .txt{flex:1}
.checkin .txt h3{font-size:16.5px;font-weight:800}
.checkin .txt p{font-size:13px;color:var(--muted);margin-top:3px}

/* 生词本 / 收藏 */
.wlist{display:flex;flex-direction:column;gap:9px}
.wrow{
  display:flex;align-items:center;gap:12px;background:var(--soft);border-radius:14px;
  padding:11px 14px;
}
.wrow .w{font-size:15px;font-weight:800;flex:1;min-width:0}
.wrow .w small{display:block;font-weight:400;font-size:11px;color:var(--muted)}
.wrow .del{color:var(--muted);font-size:16px;padding:4px 8px}

/* toast */
.toast{
  position:fixed;left:50%;bottom:110px;transform:translate(-50%,20px);z-index:99;
  background:rgba(74,68,56,.94);color:#fff;padding:11px 22px;border-radius:999px;
  font-size:13.5px;font-weight:700;opacity:0;pointer-events:none;transition:.24s;
  max-width:82vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 骨架屏 */
.skel{background:linear-gradient(90deg,var(--soft) 25%,#F7EDDD 50%,var(--soft) 75%);
      background-size:200% 100%;animation:sk 1.3s infinite;border-radius:14px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- 响应式 ---------- */
@media (max-width:620px){
  body{padding-bottom:88px}
  .topnav{display:none}
  .tabbar{display:flex}
  .hero{padding:22px 16px 20px}
  .hero h1{font-size:23px}
  .hero .mascot{width:108px;height:108px}
  .hero-stats{gap:18px}
  .lv-card{padding:14px 8px}
  .lv-card .code{width:42px;height:42px;font-size:14px}
  .lv-card .t{font-size:13.5px}
  .line{padding:12px 13px}
  .line .en{font-size:15px}
}
@media (min-width:900px){
  .levels{gap:16px}
}

/* ---------- 听力闯关 ---------- */
.gopts{display:flex;flex-direction:column;gap:10px}
.gopt{
  display:flex;align-items:center;gap:12px;background:var(--card);border-radius:16px;
  padding:15px 16px;text-align:left;box-shadow:0 0 0 4px #fff,0 8px 18px var(--shadow);
  transition:.15s;border:2px solid transparent;width:100%;
}
.gopt:active{transform:scale(.99)}
.gopt .oi{
  width:28px;height:28px;border-radius:50%;background:var(--soft);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  color:#6B6353;
}
.gopt .ot{font-size:14.5px;font-weight:700;line-height:1.5}
.gopt.right{background:#EAF0E4;border-color:var(--green-d)}
.gopt.right .oi{background:var(--green-d);color:#fff}
.gopt.wrong{background:#FBE9DF;border-color:var(--orange)}
.gopt.wrong .oi{background:var(--orange);color:#fff}
.gopt:disabled{cursor:default;opacity:1}
.gopt:disabled:not(.right):not(.wrong){opacity:.55}

/* 首页的功能入口行（非图片缩略图） */
.today .thumb.emo{
  display:flex;align-items:center;justify-content:center;font-size:32px;
  background:linear-gradient(150deg,#FFF3E2,#F3E7D3);
}

/* ---------- 会员功能区（全文对照 + 导出原文） ---------- */
.member-item{padding:15px 0;border-bottom:1px dashed var(--line)}
.member-item:first-child{padding-top:2px}
.member-item:last-child{padding-bottom:2px;border-bottom:none}
.mi-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.mi-t{font-size:15px;font-weight:800;line-height:1.3}
.mi-d{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.5}
.mi-head .btn{flex-shrink:0}

/* 子主题群标签：与主主题（绿色胶囊）区分开，用橙色 */
.item .body .tags span.sub{background:rgba(196,98,45,.13);color:var(--orange)}

/* 第三级「内容标签」：描边样式，与主主题(实心绿)、主题群(实心橙)形成三层视觉 */
.item .body .tags span.t3{
  background:transparent;color:var(--muted);
  border:1px solid rgba(154,139,118,.4);font-weight:700;
}

/* ========== 精听页：配图封面 ========== */
.cover-wrap{
  margin:12px 0 0;border-radius:18px;overflow:hidden;
  background:#EFE7D8;              /* 占位底色：图片没加载出来时不跳版 */
}
.cover{
  display:block;width:100%;height:auto;
  aspect-ratio:16/9;object-fit:cover;
}

/* ========== 精听页：每行一个设置项（左标签 + 右分段控件）========== */
.srow{display:flex;align-items:center;gap:9px;margin-top:10px}
.slbl{
  font-size:12px;color:var(--muted);font-weight:800;
  width:30px;flex-shrink:0;
}

/* 分段控件：等分格子，永远一行，不折行 */
.seg{
  flex:1;display:flex;gap:3px;min-width:0;
  background:var(--soft);border-radius:999px;padding:3px;
}
.seg button{
  flex:1;min-width:0;padding:6px 2px;border-radius:999px;
  font-size:12px;font-weight:800;color:#6B6353;transition:.15s;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.seg button.on{background:var(--orange);color:#fff}

/* 播放控制只留三个键，间距放宽更透气 */
.transport{gap:24px}

/* 导航独立成行，三等分 */
.pager{gap:7px}
.pager .pbtn{flex:1}

@media (max-width:420px){
  .seg button{font-size:11.5px;padding:6px 0}
  .slbl{width:26px;font-size:11.5px}
  .transport{gap:20px}
}

/* ========== 页脚（版权 + 备案号）========== */
.site-foot{
  text-align:center;
  padding:26px 16px 92px;        /* 底部留出固定 tabbar 的高度，避免被遮住 */
  font-size:11.5px;color:var(--muted);line-height:1.95;
}
.site-foot p{margin:0}
.site-foot a{
  color:var(--muted);text-decoration:none;
  border-bottom:1px solid rgba(154,139,118,.4);
}
.site-foot a:active{color:var(--orange)}

/* 页脚·公安联网备案（图标在前、备案号在右，官方要求的格式） */
.site-foot .gongan{
  display:inline-flex;align-items:center;justify-content:center;gap:5px;
  border-bottom:none;
}
.site-foot .gongan img{
  height:17px;width:auto;display:block;flex-shrink:0;
}

/* ==========================================================================
   听力库 · 新版（2026-10）
   ① 级别盒子：A1/A2/B1 三个"档案盒"，点击有开盒动效
   ② 扇形封面流：中间一张正对用户、最大最亮，两侧按距离旋转/缩小/压暗
   ③ 卡片框＝听过状态（陶土色＝没听过，橄榄绿＝听过）
   ========================================================================== */

[hidden]{display:none!important}

/* 封面流需要横向空间，宽屏时把内容区放宽一点 */
body.wide #app,
body.wide .topbar{max-width:1080px}

/* ---------------- ① 级别盒子 ---------------- */
.shelf-lead{
  font-size:13px;color:var(--muted);line-height:1.7;
  margin:-2px 2px 14px;
}
.lvboxes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.lvbox{
  display:block;color:inherit;text-decoration:none;
  perspective:1200px;-webkit-tap-highlight-color:transparent;
}
.lvbox-inner{position:relative;height:238px;transform-style:preserve-3d}

/* 盒盖：比盒身宽出一点，才有"盖在盒子上"的感觉 */
.lvbox-lid{
  position:absolute;left:-5px;right:-5px;top:0;height:56px;z-index:6;
  border-radius:15px 15px 7px 7px;
  background:linear-gradient(168deg,var(--c1),var(--c2));
  transform-origin:50% 100%;
  transform:rotateX(0deg);
  transition:transform .54s cubic-bezier(.32,.94,.28,1.02);
  box-shadow:0 9px 18px rgba(94,72,42,.26),inset 0 1px 0 rgba(255,255,255,.34);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 17px;color:#FFFDF8;
}
.lvbox-lid b{font-size:19px;font-weight:800;letter-spacing:2.5px;font-variant-numeric:tabular-nums}
.lvbox-lid i{
  font-style:normal;font-size:10px;font-weight:700;letter-spacing:1px;
  opacity:.74;border:1px solid rgba(255,253,248,.55);border-radius:99px;padding:2px 7px;
}
/* 正角度＝绕底边向后掀开；负角度会朝观众压下来，盖住标签 */
.lvbox.open .lvbox-lid{transform:rotateX(78deg)}

/* 盒身：牛皮纸底 + 底部一道实心投影＝纸盒厚度 */
.lvbox-body{
  position:absolute;left:0;right:0;top:42px;bottom:0;z-index:2;
  border-radius:7px 7px 20px 20px;
  background:linear-gradient(180deg,#EBD6B3 0%,#E0C9A4 100%);
  border:2px solid rgba(154,139,118,.32);
  box-shadow:0 7px 0 -2px rgba(154,139,118,.4),0 0 0 4px #fff,0 18px 30px var(--shadow);
}
/* 盒盖投在盒身上的阴影 */
.lvbox-body::before{
  content:'';position:absolute;left:0;right:0;top:0;height:16px;
  background:linear-gradient(180deg,rgba(94,72,42,.22),rgba(94,72,42,0));
  border-radius:6px 6px 0 0;pointer-events:none;
}

/* 盒子里露出的卡片边缘 */
.lvbox-peek{
  position:absolute;display:block;height:26px;border-radius:9px;z-index:5;
  background:#FFFDF8;
  box-shadow:0 -1px 0 rgba(154,139,118,.18),0 4px 10px rgba(94,72,42,.12);
  border:1.5px solid rgba(154,139,118,.18);border-bottom:none;
  transform-origin:50% 100%;
  transition:transform .5s cubic-bezier(.32,.94,.28,1.02);
}
.lvbox-peek.k1{left:14px;right:14px;top:-4px}
.lvbox-peek.k2{left:26px;right:26px;top:-11px;z-index:4;opacity:.94}
.lvbox-peek.k3{left:38px;right:38px;top:-18px;z-index:3;opacity:.86}
.lvbox.open .lvbox-peek.k1{transform:translateY(-30px) rotate(-4deg)}
.lvbox.open .lvbox-peek.k2{transform:translateY(-22px) rotate(.5deg)}
.lvbox.open .lvbox-peek.k3{transform:translateY(-14px) rotate(4.5deg)}

/* 盒面标签 */
.lvbox-label{
  position:absolute;left:11px;right:11px;top:14px;bottom:11px;z-index:3;
  background:#FFFDF8;border-radius:13px;padding:15px 15px 13px;
  box-shadow:0 0 0 1px rgba(154,139,118,.13),0 6px 14px rgba(94,72,42,.1);
  display:flex;flex-direction:column;min-width:0;
}
.lb-name{font-size:13.5px;font-weight:800;letter-spacing:.3px;line-height:1.3}
.lb-stat{font-size:11.5px;color:var(--muted);margin-top:5px}
.lb-stat b{color:var(--ink);font-weight:800;font-variant-numeric:tabular-nums}

/* 盒子里头三张卡的小封面，扇形叠放 */
.lb-thumbs{display:flex;align-items:center;margin-top:11px;height:32px}
.lb-thumbs img{
  width:50px;height:32px;object-fit:cover;border-radius:6px;background:var(--soft);
  box-shadow:0 0 0 2px #fff,0 3px 8px rgba(94,72,42,.18);
}
.lb-thumbs img+img{margin-left:-10px}
.lb-thumbs img:nth-child(1){transform:rotate(-5deg)}
.lb-thumbs img:nth-child(3){transform:rotate(5deg)}

.lvbox-bar{height:6px;border-radius:99px;background:var(--soft);overflow:hidden;margin-top:12px}
.lvbox-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--c1),var(--c2))}
.lb-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:11px;color:var(--muted);
}
.lb-foot em{
  font-style:normal;font-weight:800;color:var(--orange);letter-spacing:.5px;
  transition:transform .2s;
}
.lvbox:hover .lb-foot em{transform:translateX(3px)}
.lvbox.lv0{--c1:#93A783;--c2:#5F7352}
.lvbox.lv1{--c1:#D8824E;--c2:#AE5528}
.lvbox.lv2{--c1:#AC957A;--c2:#77644C}

/* ---------------- ② 封面流 ---------------- */
.cf-head{display:flex;align-items:center;gap:12px;margin:8px 0 14px}
.cf-head .back{flex-shrink:0}
.cf-titles{flex:1;min-width:0}
.cf-titles h2{font-size:19px;font-weight:800;letter-spacing:.6px;line-height:1.25}
.cf-titles h2 em{font-style:normal;color:var(--orange);margin:0 3px}
.cf-titles span{display:block;font-size:11.5px;color:var(--muted);margin-top:3px}
.cf-seg{display:flex;gap:2px;background:var(--soft);border-radius:999px;padding:3px;flex-shrink:0}
.cf-seg button{
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:800;
  color:#6B6353;white-space:nowrap;transition:.16s;
}
.cf-seg button.on{background:var(--orange);color:#fff;box-shadow:0 4px 10px rgba(196,98,45,.28)}

/* 筛选：主题 / 子主题 */
.cf-filters{margin:0 0 4px}
.frow{display:flex;align-items:flex-start;gap:9px}
.frow + .frow{margin-top:2px}
.flbl{
  flex-shrink:0;width:42px;padding-top:9px;
  font-size:11px;font-weight:800;color:var(--muted);letter-spacing:1px;
}
.frow .chips{flex:1;min-width:0}
.chip b{
  font-weight:800;font-size:10.5px;margin-left:5px;opacity:.65;
  font-variant-numeric:tabular-nums;
}
.chip.on b{opacity:.9}

/* 舞台 */
.cf-flow{margin-top:6px}
.cf-stage{
  position:relative;height:430px;
  perspective:1900px;perspective-origin:50% 45%;
  touch-action:pan-y;overflow:hidden;
  -webkit-user-select:none;user-select:none;
}
.cf-stage::after{
  content:'';position:absolute;left:50%;bottom:30px;width:min(620px,80%);height:96px;
  transform:translateX(-50%);
  background:radial-gradient(50% 50% at 50% 50%,rgba(94,72,42,.2),rgba(94,72,42,0) 72%);
  filter:blur(4px);z-index:0;pointer-events:none;
}
/* track 是一整块透明平面，卡片又都带着负的 translateZ（在它后面），
   不关掉 pointer-events 的话所有点击都会被 track 吃掉 */
.cf-track{position:absolute;inset:0;z-index:1;transform-style:preserve-3d;pointer-events:none}
.cf-track.deal{animation:cfDeal .58s cubic-bezier(.2,.9,.3,1.04) both}
@keyframes cfDeal{
  from{transform:translateY(34px) scale(.94)}
  to{transform:translateY(0) scale(1)}
}
.cf-track.dragging .cf-card{transition:none;cursor:grabbing}

/* 卡片 */
.cf-card{
  position:absolute;left:50%;top:50%;
  width:262px;height:364px;margin:-182px 0 0 -131px;
  display:flex;flex-direction:column;
  padding:8px;border-radius:16px;
  background:#FFFDF8;
  border:2.5px solid #E6CBAC;
  box-shadow:0 0 0 3px #fff,0 18px 34px rgba(94,72,42,.22);
  transition:transform .62s cubic-bezier(.22,.86,.24,1),
             opacity .46s ease,filter .5s ease,
             border-color .3s ease,box-shadow .3s ease;
  will-change:transform;
  transform-style:preserve-3d;
  cursor:grab;text-decoration:none;color:inherit;
  -webkit-user-drag:none;pointer-events:auto;
}
.cf-card.listened{
  border-color:var(--green-d);
  box-shadow:0 0 0 3px #fff,0 0 0 5px rgba(111,133,96,.16),0 18px 34px rgba(94,72,42,.22);
}
.cf-card.is-center{
  cursor:pointer;
  border-color:var(--orange);
  box-shadow:0 0 0 4px #fff,0 0 0 7px rgba(196,98,45,.16),0 28px 50px rgba(94,72,42,.3);
}
.cf-card.listened.is-center{
  border-color:var(--green-d);
  box-shadow:0 0 0 4px #fff,0 0 0 7px rgba(111,133,96,.22),0 28px 50px rgba(94,72,42,.3);
}

/* 书脊色条：随"听过/没听过"变色 */
.cf-spine{
  height:5px;border-radius:99px;flex-shrink:0;
  margin:1px 3px 8px;
  background:linear-gradient(90deg,#D8824E,#C4622D);
}
.cf-card.listened .cf-spine{background:linear-gradient(90deg,#8FA37F,#6F8560)}

.cf-cover{
  position:relative;border-radius:10px;overflow:hidden;flex-shrink:0;
  aspect-ratio:16/9;background:#EFE7D8;
}
.cf-cover img{
  width:100%;height:100%;object-fit:cover;display:block;
  -webkit-user-drag:none;user-select:none;
}
.cf-badge{
  position:absolute;top:7px;right:7px;
  display:inline-flex;align-items:center;gap:3px;
  font-size:10px;font-weight:800;letter-spacing:.3px;
  padding:3px 8px;border-radius:99px;
  background:rgba(255,253,248,.95);color:var(--green-d);
  box-shadow:0 3px 8px rgba(0,0,0,.14);
}

.cf-info{
  display:flex;flex-direction:column;flex:1;min-height:0;
  padding:11px 7px 2px;
}
.cf-en{
  font-size:16px;font-weight:800;line-height:1.28;letter-spacing:.1px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cf-zh{
  font-size:12.5px;color:var(--muted);margin-top:3px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
/* 正文首句：让卡面能"试听"到一点内容 */
.cf-ex{
  margin-top:8px;padding-left:7px;
  border-left:2px solid rgba(196,98,45,.32);
  font-size:11px;line-height:1.55;color:#8A7B68;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cf-tags{display:flex;gap:5px;margin-top:9px;flex-wrap:wrap;min-height:20px}
.cf-tags i{
  font-style:normal;font-size:10.5px;font-weight:700;line-height:1;
  padding:5px 8px;border-radius:99px;
  background:rgba(111,133,96,.13);color:var(--green);
}
.cf-tags i.t3{background:rgba(196,98,45,.11);color:var(--orange)}
.cf-prog{height:4px;border-radius:99px;background:var(--soft);overflow:hidden;margin-top:9px}
.cf-prog i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--orange),#D98A54)}
.cf-meta{
  margin-top:auto;padding-top:9px;
  display:flex;align-items:center;gap:7px;flex-wrap:wrap;
  font-size:10.5px;font-weight:700;color:var(--muted);letter-spacing:.2px;
}
.cf-meta b{color:var(--ink);font-weight:800;font-variant-numeric:tabular-nums}
.cf-meta .dotsep{width:3px;height:3px;border-radius:50%;background:rgba(154,139,118,.55)}

/* 底部确认条：翻页 + 当前篇信息 + 进入精听 */
.cf-dock{
  max-width:800px;margin:6px auto 0;
  display:flex;align-items:center;gap:16px;
  background:#FFFDF8;border-radius:20px;padding:12px 14px 12px 12px;
  box-shadow:0 0 0 4px #fff,0 14px 28px var(--shadow);
}
.cf-navgrp{
  flex-shrink:0;display:flex;align-items:center;gap:2px;
  background:var(--soft);border-radius:999px;padding:3px;
}
.cf-arrow{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:#6B6353;transition:.15s;
}
.cf-arrow:hover{background:#fff;color:var(--orange);box-shadow:0 3px 8px var(--shadow)}
.cf-arrow:disabled{opacity:.28;pointer-events:none}
.cf-idx{
  display:flex;align-items:baseline;gap:2px;padding:0 4px;
  font-variant-numeric:tabular-nums;
}
.cf-idx b{font-size:14px;font-weight:800;color:var(--orange);line-height:1}
.cf-idx i{font-style:normal;font-size:10.5px;font-weight:700;color:var(--muted)}
.cf-dock-info{flex:1;min-width:0}
.cf-dock-info .t{
  font-size:14.5px;font-weight:800;line-height:1.3;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.cf-dock-info .t span{font-size:12px;font-weight:700;color:var(--muted);margin-left:5px}
.cf-dock-info .s{
  font-size:11px;color:var(--muted);margin-top:4px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.cf-dock .cf-go{flex-shrink:0;padding:11px 18px;font-size:13.5px}
.cf-dock .cf-go span{margin-left:2px}

/* 空状态 */
.cf-empty{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:auto;
  text-align:center;color:var(--muted);font-size:13.5px;line-height:1.8;
}
.cf-empty img{width:82px;margin:0 auto 10px;opacity:.75}
.cf-empty button{
  margin-top:14px;padding:9px 18px;border-radius:999px;
  background:var(--card);font-size:13px;font-weight:800;color:var(--green);
  box-shadow:0 0 0 4px #fff,0 6px 14px var(--shadow);
}

/* 列表视图 */
.lib-list{max-width:800px;margin:0 auto;padding-top:6px}

/* ---------------- 响应式 ---------------- */
@media (min-width:700px){
  /* 宽屏下筛选标签换行铺开，不要横向截断 */
  .frow .chips{flex-wrap:wrap;overflow:visible}
}
@media (max-width:820px){
  .cf-dock{max-width:none}
  .cf-navgrp{display:none}      /* 手机上靠滑动翻卡 */
}
@media (max-width:640px){
  .lvboxes{grid-template-columns:1fr;gap:11px}
  .lvbox-inner{height:172px}
  .lvbox-lid{height:44px;padding:0 14px}
  .lvbox-lid b{font-size:16px}
  .lvbox-body{top:34px}
  .lvbox-label{top:10px;bottom:9px;padding:12px 13px 10px}
  .lb-name{font-size:13px}
  .lb-stat{font-size:11px;margin-top:3px}
  .lb-thumbs{margin-top:8px;height:26px}
  .lb-thumbs img{width:40px;height:26px;border-radius:5px}
  .lb-thumbs img+img{margin-left:-8px}
  .lvbox-bar{margin-top:8px;height:5px}
  .lb-foot{font-size:10.5px}

  .cf-titles h2{font-size:17px}
  .cf-seg button{padding:6px 11px;font-size:11.5px}
  .cf-stage{height:386px;perspective:1300px}
  .cf-card{width:228px;height:330px;margin:-165px 0 0 -114px;padding:7px}
  .cf-en{font-size:14.5px}
  .cf-zh{font-size:11.5px}
  .cf-ex{font-size:10.5px}
  .cf-tags i{font-size:9.5px;padding:4px 7px}
  .cf-meta{font-size:9.5px;gap:5px}
  .cf-badge{font-size:9px;padding:2px 6px}
  .flbl{width:34px;font-size:10.5px;padding-top:8px}
  .cf-dock{padding:11px 13px;gap:10px;border-radius:16px}
  .cf-dock-info .t{font-size:13.5px}
  .cf-dock .cf-go{padding:10px 14px;font-size:12.5px}
}
@media (max-width:400px){
  .cf-card{width:212px;height:318px;margin:-159px 0 0 -106px}
  .cf-stage{height:372px}
}

/* 系统开了「减少动态效果」时，关掉发牌与转场动画 */
@media (prefers-reduced-motion:reduce){
  .cf-track.deal{animation:none}
  .cf-card{transition:border-color .3s ease,box-shadow .3s ease}
  .lvbox-lid,.lvbox-peek,.lb-foot em{transition:none}
}

/* ==========================================================================
   拼图流程（合集 → 级别拼图 → 卡片舞台）
   ========================================================================== */
.shelf{max-width:1060px;margin:0 auto;padding:90px 24px 40px}
.shelf h1{font-size:22px;font-weight:800;letter-spacing:.5px}
.shelf p.lead{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.8;max-width:700px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.pcard{
  display:block;text-align:left;border-radius:22px;padding:13px;background:var(--card);
  box-shadow:0 0 0 4px #fff,0 16px 34px var(--shadow);transition:.2s;position:relative;
}
.pcard:hover{transform:translateY(-4px);box-shadow:0 0 0 4px #fff,0 22px 46px var(--shadow-strong)}
.pcard .mini::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:var(--tint,#9A8B76);opacity:.13;mix-blend-mode:multiply;
}
.pcard .mini::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:var(--tint,#9A8B76);opacity:.13;mix-blend-mode:multiply;
}
.pcard .mini{border-radius:14px;overflow:hidden;background:#EFE3CE;position:relative;display:block}
.pcard .mini svg{display:block;width:100%;height:auto}
.badge-lv{
  position:absolute;left:22px;top:22px;z-index:3;padding:4px 10px;border-radius:999px;
  background:rgba(74,68,56,.74);color:#fff;font-size:11px;font-weight:800;letter-spacing:1.5px;
  backdrop-filter:blur(6px);
}
.pcard .meta{padding:12px 4px 2px}
.pcard .row{display:flex;align-items:baseline;justify-content:space-between}
.pcard .lv{font-size:20px;font-weight:800;letter-spacing:1px}
.pcard .cn{font-size:11.5px;color:var(--muted);font-weight:700;margin-left:6px}
.pcard .num{font-size:12px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums}
.pcard .bar{height:6px;border-radius:99px;background:var(--soft);margin-top:10px;overflow:hidden}
.pcard .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#D8824E,#C4622D)}
.pcard .hint{font-size:11px;color:var(--muted);margin-top:8px}

/* ---------- 拼图板 ---------- */
.pz-wrap{
  position:fixed;inset:0;z-index:10;display:flex;flex-direction:column;
  opacity:0;pointer-events:none;transition:opacity .3s;
  background:rgba(247,236,221,.96);backdrop-filter:blur(8px);
}
.pz-wrap.show{opacity:1;pointer-events:auto}
.board-stage{
  flex:1;position:relative;display:flex;align-items:center;justify-content:center;
  overflow:hidden;touch-action:none;cursor:grab;padding:74px 20px 6px;
}
.board-stage.grabbing{cursor:grabbing}
.board-zoom{
  position:relative;width:min(59vh,530px);max-width:84vw;
  transform-origin:50% 50%;will-change:transform;
  transition:transform .26s cubic-bezier(.22,.86,.24,1);
}
.board-zoom svg{display:block;width:100%;height:auto;border-radius:8px;box-shadow:0 24px 60px rgba(94,72,42,.22)}
.chap-line{fill:none;stroke:#F7ECDD;stroke-width:3;stroke-linejoin:round;pointer-events:none;transition:stroke .2s,stroke-width .2s}
.chap-hit{fill:transparent;cursor:pointer}
.chap-base{pointer-events:none}

.chips-layer{position:absolute;inset:0;pointer-events:none;z-index:2;overflow:hidden;border-radius:8px}
.ch-chip{
  position:absolute;transform:translate(-50%,-50%);
  display:flex;align-items:baseline;gap:5px;
  padding:3px 8px;border-radius:99px;max-width:calc(var(--cell,33%) - 8px);
  background:rgba(255,253,248,.82);box-shadow:0 3px 10px rgba(94,72,42,.13);
  transition:.18s;
}
.ch-chip b{font-size:9.5px;font-weight:800;line-height:1.1;color:#5A5142;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:0 1 auto}
.ch-chip span{font-size:9.5px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums;flex-shrink:0}
.ch-chip.full{background:rgba(126,147,112,.94)}
.ch-chip.full b,.ch-chip.full span{color:#fff}

.zoomctl{position:absolute;right:16px;bottom:16px;z-index:20;display:flex;flex-direction:column;gap:8px}
.zoomctl button{
  width:38px;height:38px;border-radius:50%;background:var(--card);font-size:16px;font-weight:800;
  box-shadow:0 0 0 3px #fff,0 6px 14px var(--shadow);color:#6B6353;
}
.zoomctl button:hover{color:var(--orange)}

/* ---------- 章节：3D 卡片舞台 ---------- */
.stage3d{
  position:absolute;top:66px;left:0;right:0;bottom:6px;overflow:hidden;touch-action:none;cursor:grab;
  perspective:1500px;perspective-origin:50% 45%;
}
.stage3d.grabbing{cursor:grabbing}
.cstage{
  position:absolute;left:50%;top:50%;width:0;height:0;
  transform-style:preserve-3d;
}
.ccard{
  position:absolute;left:0;top:0;width:var(--cw,184px);height:var(--ch,254px);
  margin:calc(var(--ch,254px) / -2) 0 0 calc(var(--cw,184px) / -2);
  padding:7px;border-radius:14px;background:#FFFDF8;
  border:2.5px solid #E08A4E;
  box-shadow:0 0 0 3px #fff,0 0 0 5px rgba(224,138,78,.13),0 16px 30px rgba(94,72,42,.2);
  display:flex;flex-direction:column;cursor:pointer;
  transition:border-color .22s,box-shadow .22s,filter .3s,opacity .3s;
  will-change:transform;transform-style:preserve-3d;backface-visibility:hidden;
}
.ccard.listened{
  border-color:#A8BC99;
  box-shadow:0 0 0 3px #fff,0 14px 26px rgba(94,72,42,.14);
  opacity:.95;
}
.ccard.listened .cv img{filter:saturate(.55) brightness(1.01)}
.ccard.pick{
  border-color:var(--orange);
  box-shadow:0 0 0 4px #fff,0 0 0 7px rgba(196,98,45,.16),0 28px 50px rgba(94,72,42,.3);
}
.ccard:hover{box-shadow:0 0 0 3px #fff,0 0 0 6px rgba(196,98,45,.22),0 22px 38px rgba(94,72,42,.24)}
.ccard .sp{height:4px;border-radius:99px;margin:1px 3px 6px;flex-shrink:0;
  background:linear-gradient(90deg,#D8824E,#C4622D)}
.ccard.listened .sp{background:linear-gradient(90deg,#8FA37F,#6F8560)}
.ccard .cv{position:relative;border-radius:8px;overflow:hidden;aspect-ratio:16/9;flex-shrink:0;background:#EFE7D8}
.ccard .cv img{width:100%;height:100%;object-fit:cover;display:block;-webkit-user-drag:none;user-select:none}
.ccard .bd{position:absolute;top:5px;right:5px;font-size:8.5px;font-weight:800;
  padding:2px 6px;border-radius:99px;background:var(--orange);color:#fff;
  box-shadow:0 2px 6px rgba(196,98,45,.35)}
.ccard.listened .bd{background:rgba(255,253,248,.96);color:var(--green-d);box-shadow:none}
.ccard .info{padding:7px 5px 2px;display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}
.ccard .en{font-size:12.5px;font-weight:800;line-height:1.25;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ccard .zh{font-size:10.5px;color:var(--muted);margin-top:2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ccard .tags{display:block;margin-top:6px;font-size:9px;color:var(--muted);font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ccard .tags i{font-style:normal;font-size:8.5px;font-weight:700;padding:3px 6px;border-radius:99px;
  background:rgba(111,133,96,.13);color:var(--green);white-space:nowrap}
.ccard .tags i.t3{background:rgba(196,98,45,.11);color:var(--orange)}
.ccard .mt{margin-top:auto;padding-top:6px;display:flex;gap:5px;align-items:center;
  font-size:9px;font-weight:700;color:var(--muted)}
.ccard .mt b{color:var(--ink)}
.ccard .mt .sep{width:2px;height:2px;border-radius:50%;background:rgba(154,139,118,.6)}
.ccard .pr{height:3px;border-radius:99px;background:var(--soft);overflow:hidden;margin-top:5px}
.ccard .pr i{display:block;height:100%;background:var(--orange)}

.style-tag{
  position:absolute;left:18px;top:70px;z-index:5;
  display:flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:800;color:#6B6353;letter-spacing:.5px;
  background:rgba(255,253,248,.82);padding:6px 14px;border-radius:999px;
  box-shadow:0 0 0 3px rgba(255,255,255,.7);white-space:nowrap;
}
.style-tag em{font-style:normal;color:var(--orange)}
.style-tag span{font-weight:700;color:var(--muted);font-size:10.5px}

.dock{flex-shrink:0;padding:10px 18px 16px;display:flex;justify-content:center}
.dock-inner{
  width:100%;max-width:760px;display:flex;align-items:center;gap:14px;
  background:var(--card);border-radius:20px;padding:11px 13px;
  box-shadow:0 0 0 4px #fff,0 14px 30px var(--shadow);
}
.dock .info{flex:1;min-width:0}
.dock .t{font-size:15px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock .t span{font-size:12px;color:var(--muted);font-weight:700;margin-left:6px}
.dock .s{font-size:11.5px;color:var(--muted);margin-top:3px}
.dock .go{
  flex-shrink:0;padding:11px 19px;border-radius:999px;background:var(--orange);color:#fff;
  font-size:13.5px;font-weight:800;box-shadow:0 8px 18px rgba(196,98,45,.3);
}
.dock .empty{font-size:12.5px;color:var(--muted);padding:6px 2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}



/* ---------- 拼图碎片漂浮 ---------- */
@keyframes pzFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-5px)}
}
/* transform-box 让旋转绕碎片自己中心，否则会绕整个画布原点甩出去 */
.chap-float{
  transform-box:fill-box;transform-origin:50% 50%;
  animation:pzFloat 7s ease-in-out infinite;
}
.chap-float.mini{animation:none}
@media (prefers-reduced-motion:reduce){ .chap-float{animation:none} }

/* ---------- 拼图流程在正式站里的适配 ---------- */
.pz-head{
  position:absolute;left:0;right:0;top:0;height:64px;z-index:20;
  display:flex;align-items:center;gap:12px;padding:0 18px;
}
.pz-head .back{flex-shrink:0}
.pz-title{min-width:0;font-size:15px;font-weight:800;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pz-title b{margin-right:6px;letter-spacing:.5px}
.pz-title span{display:block;font-size:11.5px;color:var(--muted);font-weight:700;margin-top:1px;
  overflow:hidden;text-overflow:ellipsis}
.pz-head .sp{flex:1}
.pz-seg{display:flex;gap:2px;background:var(--soft);border-radius:999px;padding:3px;flex-shrink:0}
.pz-seg button{padding:6px 15px;border-radius:999px;font-size:12px;font-weight:800;color:#6B6353;transition:.15s}
.pz-seg button.on{background:var(--orange);color:#fff;box-shadow:0 4px 10px rgba(196,98,45,.28)}
.pz-head{
  position:absolute;left:0;right:0;top:0;height:64px;z-index:20;
  display:flex;align-items:center;gap:12px;padding:0 18px;
}
.pz-head .back{flex-shrink:0}
.pz-title{min-width:0;font-size:15px;font-weight:800;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pz-title b{margin-right:6px;letter-spacing:.5px}
.pz-title span{display:block;font-size:11.5px;color:var(--muted);font-weight:700;margin-top:1px;
  overflow:hidden;text-overflow:ellipsis}
.pz-head .sp{flex:1}
.pz-seg{display:flex;gap:2px;background:var(--soft);border-radius:999px;padding:3px;flex-shrink:0}
.pz-seg button{padding:6px 15px;border-radius:999px;font-size:12px;font-weight:800;color:#6B6353;transition:.15s}
.pz-seg button.on{background:var(--orange);color:#fff;box-shadow:0 4px 10px rgba(196,98,45,.28)}
.pz-wrap{z-index:50!important;background:rgba(247,236,221,.97)}
body.pz-open .tabbar,body.pz-open .site-foot{display:none!important}
body.pz-open{padding-bottom:0}
.pz-shelf{max-width:1060px;margin:0 auto;padding:88px 4px 30px}
/* 全屏层里 stage3d 是绝对定位，底栏得单独钉在底部 */
.pz-wrap .dock{position:absolute;left:0;right:0;bottom:0;z-index:6;pointer-events:none}
.pz-wrap .dock-inner{pointer-events:auto}
.pz-wrap .stage3d{bottom:106px}
.pz-wrap .board-stage{padding-bottom:96px}
.pz-wrap .zoomctl{bottom:112px}
.pz-wrap .style-tag{top:70px}
.pz-wrap .zoomctl{bottom:112px}
.pz-wrap .style-tag{top:70px}
/* 全屏层里 stage3d 是绝对定位，底栏得单独钉在底部 */
.pz-wrap .dock{position:absolute;left:0;right:0;bottom:0;z-index:6;pointer-events:none}
.pz-wrap .dock-inner{pointer-events:auto}
.pz-wrap .stage3d{bottom:106px}
.pz-wrap .board-stage{padding-bottom:96px}
.pz-wrap .zoomctl{bottom:112px}
.pz-wrap .style-tag{top:70px}
.pz-wrap .zoomctl{bottom:112px}
.pz-wrap .style-tag{top:70px}
.pz-wrap .board-stage{padding:64px 20px 0}
.pz-wrap .stage3d{top:64px}
.pz-wrap .board-stage{padding:64px 20px 0}
.pz-wrap .stage3d{top:64px}
.pz-note{font-size:12.5px;color:var(--muted);line-height:1.8;margin:-2px 2px 18px}
.pz-toolbar{display:flex;align-items:center;gap:8px;margin:0 2px 12px}
.pz-toolbar .sp{flex:1}
.pz-btn{
  padding:7px 14px;border-radius:999px;background:var(--card);font-size:12px;font-weight:800;
  box-shadow:0 0 0 3px #fff,0 5px 12px var(--shadow);color:#6B6353;transition:.15s;
}
.pz-btn:hover{color:var(--orange)}
.pz-btn.on{background:var(--orange);color:#fff}
.pz-list{
  position:absolute;left:0;right:0;top:64px;bottom:96px;z-index:4;
  overflow-y:auto;padding:0 18px 28px;display:none;
  -webkit-overflow-scrolling:touch;
}
.pz-list.on{display:block}
.pz-wrap.list-mode .dock{display:none}
.pz-wrap.list-mode .pz-list{bottom:0;padding-bottom:30px}
.pz-wrap.list-mode .dock{display:none}
.pz-wrap.list-mode .pz-list{bottom:0;padding-bottom:30px}
.pz-list .list{max-width:760px;margin:0 auto}
.pz-filter{
  max-width:760px;margin:0 auto;display:flex;align-items:center;gap:12px;
  position:sticky;top:0;z-index:2;padding:10px 0 12px;
  background:linear-gradient(180deg,rgba(247,236,221,.98) 70%,rgba(247,236,221,0));
}
.pz-filter input{
  flex:1;min-width:0;border:2px solid var(--line);background:#fff;border-radius:999px;
  padding:11px 18px;font-size:14px;font-weight:700;color:var(--ink);
  box-shadow:0 4px 12px rgba(94,72,42,.08);
}
.pz-filter input:focus{outline:none;border-color:var(--orange)}
.pz-filter .cnt{font-size:12px;font-weight:800;color:var(--muted);white-space:nowrap}
@media (max-width:760px){
  .cards{grid-template-columns:1fr;gap:14px}
  .pz-shelf{padding:76px 0 20px}
  .ch-chip{padding:3px 6px}
  .ch-chip b{font-size:9px}
  .ch-chip span{font-size:9px}
  .style-tag{top:68px;font-size:10.5px;padding:5px 11px}
}


/* ==========================================================================
   首页 · 每日盲盒（重做版）
   节奏：按下 → 蓄力摇动 → 掀盖透光 + 粒子 → 卡片翻出 → 扫光定格
   ========================================================================== */
.bb{
  position:relative;min-height:196px;
  display:flex;align-items:center;justify-content:center;
  perspective:900px;
}

/* 地面光晕 */
.bb-glow{
  position:absolute;left:50%;bottom:26px;width:230px;height:74px;margin-left:-115px;
  background:radial-gradient(50% 50% at 50% 50%,rgba(216,130,78,.38),rgba(216,130,78,0) 72%);
  filter:blur(7px);animation:bbGlow 3.6s ease-in-out infinite;pointer-events:none;
}
@keyframes bbGlow{
  0%,100%{opacity:.55;transform:scale(1)}
  50%{opacity:1;transform:scale(1.1)}
}

.bb-box{
  position:relative;width:180px;height:156px;display:block;
  transform-style:preserve-3d;cursor:pointer;
  transition:transform .16s ease;
  animation:bbIdle 4.2s ease-in-out infinite;
}
@keyframes bbIdle{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-4px)}
}
.bb-box:hover{animation-play-state:paused;transform:translateY(-6px)}

/* 盒身 */
.bb-body{
  position:absolute;left:12px;right:12px;bottom:0;height:100px;
  border-radius:5px 5px 16px 16px;
  background:linear-gradient(180deg,#FFFAF0 0%,#F4E3C6 62%,#EBD6B4 100%);
  border:2.5px solid #DFC19A;
  box-shadow:0 8px 0 -2px #E0CBAB,0 16px 26px rgba(94,72,42,.18),
             inset 0 -10px 16px -10px rgba(190,155,110,.55);
}
/* 贴在盒身的纸带 */
.bb-band{
  position:absolute;left:-2px;right:-2px;top:16px;height:30px;
  display:flex;align-items:center;justify-content:center;
  background:#FFFDF8;border-top:1.5px solid #EFDFC6;border-bottom:1.5px solid #EFDFC6;
  font-size:10px;font-weight:900;letter-spacing:4px;color:#B4713F;
  box-shadow:0 2px 6px rgba(94,72,42,.08);
}
.bb-q{
  position:absolute;left:50%;top:62%;transform:translate(-50%,-50%);
  font-size:30px;font-weight:900;color:#C08A5A;opacity:.42;
  animation:bbQ 2.4s ease-in-out infinite;
}
@keyframes bbQ{0%,100%{opacity:.28;transform:translate(-50%,-50%) scale(.94)}50%{opacity:.55;transform:translate(-50%,-50%) scale(1.06)}}
.bb-tip{
  position:absolute;left:0;right:0;bottom:10px;text-align:center;
  font-size:10.5px;font-weight:800;color:#A98457;letter-spacing:1px;
}

/* 盒盖：比盒身宽，底部有一道深色边＝盖子厚度 */
.bb-lid{
  position:absolute;left:2px;right:2px;top:20px;height:42px;z-index:4;
  border-radius:10px 10px 5px 5px;
  background:linear-gradient(180deg,#EC9757 0%,#C9672F 70%,#B0561F 100%);
  transform-origin:50% 100%;
  transition:transform .52s cubic-bezier(.28,.9,.3,1.12);
  box-shadow:0 6px 0 -1px #9B4C21,0 10px 20px rgba(94,72,42,.24),
             inset 0 1px 0 rgba(255,255,255,.4);
}
/* 盖子每隔几秒扫一道光，勾一下注意力 */
.bb-lid::before{
  content:'';position:absolute;inset:0;border-radius:inherit;overflow:hidden;
  background:linear-gradient(100deg,transparent 42%,rgba(255,255,255,.5) 50%,transparent 58%);
  transform:translateX(-130%);
  animation:bbLidShine 4.6s ease-in-out infinite;
}
@keyframes bbLidShine{
  0%,68%{transform:translateX(-130%)}
  84%{transform:translateX(130%)}
  100%{transform:translateX(130%)}
}
/* 盖子每隔几秒扫一道光，勾一下注意力 */
.bb-lid::before{
  content:'';position:absolute;inset:0;border-radius:inherit;overflow:hidden;
  background:linear-gradient(100deg,transparent 42%,rgba(255,255,255,.5) 50%,transparent 58%);
  transform:translateX(-130%);
  animation:bbLidShine 4.6s ease-in-out infinite;
}
@keyframes bbLidShine{
  0%,68%{transform:translateX(-130%)}
  84%{transform:translateX(130%)}
  100%{transform:translateX(130%)}
}
/* 盖子上的火漆圆标 */
.bb-lid::after{
  content:'听';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:26px;height:26px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#FFD9A8,#E0A05C);
  color:#8A4A1B;font-size:12px;font-weight:900;line-height:26px;text-align:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 2px 5px rgba(90,40,10,.3);
}

/* 掀盖时从盒口透出的光 */
.bb-beam{
  position:absolute;left:50%;bottom:96px;width:132px;height:0;margin-left:-66px;z-index:3;
  background:linear-gradient(0deg,rgba(255,226,180,.95) 0%,rgba(255,214,160,.45) 45%,rgba(255,214,160,0) 100%);
  filter:blur(1.5px);
  clip-path:polygon(34% 100%,66% 100%,100% 0,0 0);
  opacity:0;transition:opacity .3s ease,height .45s ease;
  pointer-events:none;
}

/* 粒子 */
.bb-parts{position:absolute;left:50%;bottom:100px;width:0;height:0;z-index:20;pointer-events:none}
.bb-parts i{
  position:absolute;left:0;top:0;width:9px;height:9px;border-radius:50%;
  background:linear-gradient(180deg,#FFE0AE,#E0894A);opacity:0;
  box-shadow:0 0 10px rgba(224,137,74,.65);
  transform:translate(-50%,-50%);
}

/* 冲击波 */
.bb-mouth{
  position:absolute;left:50%;bottom:97px;width:120px;height:10px;margin-left:-60px;z-index:5;
  border-radius:50%;background:radial-gradient(50% 50% at 50% 50%,rgba(255,226,180,.95),rgba(255,214,160,0) 70%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.bb.burst .bb-mouth{opacity:1}
.bb-mouth{
  position:absolute;left:50%;bottom:97px;width:120px;height:10px;margin-left:-60px;z-index:5;
  border-radius:50%;background:radial-gradient(50% 50% at 50% 50%,rgba(255,226,180,.95),rgba(255,214,160,0) 70%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.bb.burst .bb-mouth{opacity:1}
.bb-ring{
  position:absolute;left:50%;bottom:100px;width:44px;height:44px;margin-left:-22px;
  border-radius:50%;border:3px solid rgba(216,130,78,.5);opacity:0;pointer-events:none;
}

/* 抽到的卡片 */
.bb-prize{
  position:absolute;inset:0;max-width:640px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:16px;
  background:var(--card);border-radius:20px;
  box-shadow:0 0 0 4px #fff,0 18px 38px rgba(94,72,42,.2);
  opacity:0;pointer-events:none;
  transform:translateY(30px) rotateX(-72deg) scale(.74);
  transform-origin:50% 100%;
  transition:opacity .22s ease,transform .62s cubic-bezier(.18,.9,.25,1.06);
  overflow:hidden;
}
.bb-prize .thumb{width:88px;height:88px;border-radius:16px;object-fit:cover;flex-shrink:0;
  box-shadow:0 0 0 4px #fff,0 8px 18px var(--shadow)}
.bb-prize .info{flex:1;min-width:0}
.bb-prize .lvtag{font-size:10.5px;font-weight:800;color:var(--green);letter-spacing:1.5px}
.bb-prize h3{font-size:17px;font-weight:800;margin:4px 0 2px;line-height:1.25}
.bb-prize .cn{font-size:12.5px;color:var(--muted)}
.bb-prize .meta{font-size:11.5px;color:var(--muted);margin-top:7px}
.bb-prize .ex{
  margin-top:8px;padding-left:8px;border-left:2px solid rgba(196,98,45,.35);
  font-size:11px;line-height:1.5;color:#8A7B68;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bb-prize .ex{
  margin-top:8px;padding-left:8px;border-left:2px solid rgba(196,98,45,.35);
  font-size:11px;line-height:1.5;color:#8A7B68;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bb-prize .go{
  width:46px;height:46px;border-radius:50%;background:var(--orange);color:#fff;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:0 8px 18px rgba(196,98,45,.32);
}
/* 卡片右上角的缎带 */
.bb-ribbon{
  position:absolute;right:-34px;top:14px;transform:rotate(38deg);
  background:linear-gradient(90deg,#E08A4E,#C4622D);color:#fff;
  font-size:9.5px;font-weight:900;letter-spacing:2px;
  padding:4px 40px;box-shadow:0 3px 8px rgba(196,98,45,.3);
}
/* 定格后的扫光 */
.bb-prize::after{
  content:'';position:absolute;inset:-40%;
  background:linear-gradient(105deg,transparent 42%,rgba(255,255,255,.85) 50%,transparent 58%);
  transform:translateX(-70%) rotate(8deg);opacity:0;pointer-events:none;
}

/* ---------- 各阶段 ---------- */
.bb.press .bb-box{animation:none;transform:translateY(2px) scale(.96,.94)}
.bb.shake .bb-box{animation:bbShake .5s cubic-bezier(.36,.07,.19,.97)}
@keyframes bbShake{
  0%,100%{transform:rotate(0) translateY(0)}
  15%{transform:rotate(-4deg) translateY(-3px) scale(1.02,.98)}
  35%{transform:rotate(4deg) translateY(-5px) scale(.98,1.02)}
  55%{transform:rotate(-3deg) translateY(-3px)}
  75%{transform:rotate(2.5deg) translateY(-4px)}
  90%{transform:rotate(-1.5deg) translateY(-2px)}
}
.bb.burst .bb-lid{transform:translateY(-34px) rotateX(-108deg)}
.bb.burst .bb-beam{opacity:1;height:158px}
.bb.burst .bb-ring{animation:bbRing .72s ease-out}
@keyframes bbRing{
  0%{opacity:.85;transform:scale(.35)}
  100%{opacity:0;transform:scale(3.2)}
}
.bb.burst .bb-parts i{animation:bbPart .95s cubic-bezier(.2,.8,.3,1) forwards}
.bb.burst .bb-parts i:nth-child(2){animation-delay:.04s}
.bb.burst .bb-parts i:nth-child(3){animation-delay:.02s}
.bb.burst .bb-parts i:nth-child(4){animation-delay:.06s}
.bb.burst .bb-parts i:nth-child(5){animation-delay:.03s}
.bb.burst .bb-parts i:nth-child(6){animation-delay:.05s}
.bb.burst .bb-parts i:nth-child(7){animation-delay:.01s}
.bb.burst .bb-parts i:nth-child(8){animation-delay:.07s}
@keyframes bbPart{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.3)}
  18%{opacity:1}
  100%{opacity:0;transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) scale(.25)}
}
.bb.burst .bb-tip,.bb.burst .bb-q{opacity:0;transition:opacity .2s}
.bb.reveal .bb-box{opacity:.12;transform:scale(.9) translateY(10px);transition:opacity .4s,transform .4s}
.bb.reveal .bb-prize{opacity:1;transform:none;pointer-events:auto}
.bb.settled .bb-prize{box-shadow:0 0 0 4px #fff,0 0 0 7px rgba(196,98,45,.18),0 20px 40px rgba(94,72,42,.22)}
.bb.settled .bb-prize::after{animation:bbShine .95s ease-out .05s}
@keyframes bbShine{
  0%{opacity:0;transform:translateX(-70%) rotate(8deg)}
  25%{opacity:.9}
  100%{opacity:0;transform:translateX(70%) rotate(8deg)}
}
.bb.settled .bb-prize .go{animation:bbGo 1.8s ease-in-out infinite}
@keyframes bbGo{
  0%,100%{box-shadow:0 8px 18px rgba(196,98,45,.32)}
  50%{box-shadow:0 8px 18px rgba(196,98,45,.32),0 0 0 8px rgba(196,98,45,.12)}
}

@media (prefers-reduced-motion:reduce){
  .bb-box,.bb-glow,.bb-q,.bb-prize::after,.bb.settled .bb-prize .go{animation:none!important}
}


/* ==========================================================================
   卡片舞台 · 选中后弹到正中的那张卡
   （必须脱离 3D 容器，否则 translateZ 会把位置带偏；波浪矩阵尤其明显）
   ========================================================================== */
.pz-focus{
  position:absolute;left:50%;top:50%;width:0;height:0;z-index:800;pointer-events:none;
}
.pz-focus .ccard{
  position:absolute;left:0;top:0;
  margin:calc(var(--ch,254px) / -2) 0 0 calc(var(--cw,184px) / -2);
  transform-origin:50% 50%;pointer-events:none;
  border-color:var(--orange);
  box-shadow:0 0 0 4px #fff,0 0 0 7px rgba(196,98,45,.18),0 30px 54px rgba(94,72,42,.32);
  transition:transform .44s cubic-bezier(.2,.86,.25,1.06),opacity .3s;
}
.pz-focus .ccard.listened{border-color:var(--green-d)}
.pz-focus .ccard .en{font-size:15px}
.pz-focus .ccard .zh{font-size:12.5px}
.pz-focus .ccard .tags{font-size:10.5px}
.pz-focus .ccard .mt{font-size:10px}