/* ==========================================================================
   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)}