/* ====== 177 绕口令挑战 · 闯关舞台：中国红 + 鎏金 ====== */
.tsk.ttc{
  --tsk-bg:#f9ece8;
  --tsk-card:#fdf6f2;
  --tsk-card-2:#f7e9e2;
  --tsk-ink:#45211b;
  --tsk-sub:#8a5a4e;
  --tsk-faint:#b08a7c;
  --tsk-line:#e6c9bc;
  --tsk-line-2:#f0dcd2;
  --tsk-brand:#c0392b;
  --tsk-brand-2:#96271b;
  --tsk-brand-soft:#f6ddd5;
  --tsk-brand-ink:#96271b;
  --tsk-gold:#c98a2d;
  --tsk-gold-soft:#f7e8cd;
  --tsk-glyph:#5a2a22;
  --tsk-ok:#3f7a4e;
  --tsk-ok-soft:#e3f0e6;
  --tsk-crack:#b3542e;
  --tsk-crack-soft:#f6e3d6;
  background:
    radial-gradient(720px 320px at 98% -10%, rgba(192,57,43,.10), transparent 60%),
    radial-gradient(480px 260px at -4% 8%, rgba(201,138,45,.09), transparent 58%),
    var(--tsk-bg);
}
:root[data-theme="dark"] .tsk.ttc{
  --tsk-bg:#1b1210;
  --tsk-card:#261a16;
  --tsk-card-2:#2f201b;
  --tsk-ink:#f4e4da;
  --tsk-sub:#cba89a;
  --tsk-faint:#96705f;
  --tsk-line:#44302a;
  --tsk-line-2:#382822;
  --tsk-brand:#e0654f;
  --tsk-brand-2:#ef8a72;
  --tsk-brand-soft:rgba(224,101,79,.14);
  --tsk-brand-ink:#ef8a72;
  --tsk-gold:#e0b060;
  --tsk-gold-soft:rgba(224,176,96,.14);
  --tsk-glyph:#f4e4da;
  --tsk-ok:#8ecf9d;
  --tsk-ok-soft:rgba(142,207,157,.12);
  --tsk-crack:#e08a5f;
  --tsk-crack-soft:rgba(224,138,95,.13);
}
.ttc-hero{display:grid;grid-template-columns:minmax(0,1fr) 394px;gap:30px;padding:30px 0 24px;align-items:stretch;}
.ttc-hero-l{display:flex;flex-direction:column;}
.ttc-hero-l>.tsk-hs{flex:1 1 auto;}
.ttc-hero-l .tsk-h1 b{color:var(--tsk-brand-ink);}

/* 表单卡：红漆木台 */
.ttc-form{align-self:start;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:14px;box-shadow:var(--tsk-shadow);overflow:hidden;position:relative;}
.ttc-form::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:repeating-linear-gradient(90deg,var(--tsk-brand) 0 16px,transparent 16px 22px,var(--tsk-gold) 22px 32px,transparent 32px 38px);}
.ttc-form-top{display:flex;justify-content:space-between;align-items:center;padding:16px 20px 12px;border-bottom:1px dashed var(--tsk-line);}
.ttc-form-top span{font-size:12.5px;font-weight:800;color:var(--tsk-ink);letter-spacing:.04em;}
.ttc-form-top i{font-style:normal;font:700 10px/1 var(--tsk-num);letter-spacing:.16em;color:var(--tsk-faint);}
.ttc-form-body{padding:6px 20px 18px;}
.ttc-form-body label{display:block;margin:12px 0 6px;font-size:11.5px;font-weight:800;color:var(--tsk-sub);}
.ttc-form-body select{width:100%;height:40px;padding:0 12px;border:1px solid var(--tsk-line);border-radius:9px;background:var(--tsk-card-2);color:var(--tsk-ink);font:700 13.5px/38px var(--tsk-font);outline:none;cursor:pointer;}
.ttc-form-body select:focus{border-color:var(--tsk-brand);box-shadow:0 0 0 3px var(--tsk-brand-soft);}
.ttc-seg{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.ttc-seg-btn{height:38px;border:1px solid var(--tsk-line);border-radius:9px;background:var(--tsk-card-2);color:var(--tsk-sub);font:800 13px/36px var(--tsk-font);cursor:pointer;transition:all .14s;}
.ttc-seg-btn:hover{border-color:var(--tsk-brand);color:var(--tsk-brand-ink);}
.ttc-seg-btn.is-on{background:var(--tsk-brand);border-color:var(--tsk-brand);color:#fff;}
:root[data-theme="dark"] .ttc-seg-btn.is-on{color:#22110d;}
.ttc-err{margin:10px 0 0;padding:8px 11px;border-radius:8px;background:var(--tsk-crack-soft);border:1px solid rgba(179,84,46,.3);font-size:11.5px;line-height:1.6;color:var(--tsk-crack);font-weight:700;}
.ttc-form .tsk-btn-main{width:100%;margin-top:16px;background:linear-gradient(135deg,var(--tsk-brand),var(--tsk-brand-2));color:#fff;}
:root[data-theme="dark"] .ttc-form .tsk-btn-main{color:#22110d;}
.ttc-form-foot{margin-top:10px;font-size:10.5px;line-height:1.7;color:var(--tsk-faint);}

/* 闯关舞台 */
.ttc-result{margin:4px 0 26px;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:16px;box-shadow:var(--tsk-shadow);padding:22px 24px;}
.ttc-res-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.ttc-res-title{flex:1;min-width:160px;}
.ttc-res-title b{font-size:17px;font-weight:800;color:var(--tsk-ink);}
.ttc-tag{display:inline-block;margin-left:8px;padding:2px 10px;border-radius:99px;background:var(--tsk-brand-soft);color:var(--tsk-brand-ink);font-size:11px;font-weight:800;}
.ttc-tag.is-soft{background:var(--tsk-gold-soft);color:var(--tsk-gold);}
.ttc-clock{display:flex;align-items:baseline;gap:4px;padding:6px 14px;border:1px solid var(--tsk-line);border-radius:10px;background:var(--tsk-card-2);}
.ttc-clock-num{font:800 26px/1 var(--tsk-num);color:var(--tsk-brand-ink);}
.ttc-clock.is-low .ttc-clock-num{animation:ttcBlink .6s infinite alternate;}
.ttc-clock small{font-size:11px;color:var(--tsk-faint);}
@keyframes ttcBlink{from{opacity:1}to{opacity:.35}}
.ttc-res-acts{display:flex;gap:8px;}
.ttc-stage{margin-top:16px;display:grid;gap:10px;}
.ttc-seg-item{position:relative;padding:14px 18px;border:1px solid var(--tsk-line);border-radius:11px;background:var(--tsk-card-2);font:600 17px/2.1 var(--tsk-font);color:var(--tsk-glyph);transition:all .16s;}
.ttc-seg-item.is-now{border-color:var(--tsk-brand);background:var(--tsk-brand-soft);box-shadow:0 0 0 3px rgba(192,57,43,.12);}
.ttc-seg-item.is-done{opacity:.55;}
.ttc-seg-item.is-done::after{content:"✓ 已读";position:absolute;right:12px;top:8px;font:800 10.5px/1 var(--tsk-font);color:var(--tsk-ok);}
.ttc-rb{display:inline-block;text-align:center;vertical-align:baseline;margin:0 1px;}
.ttc-rb i{display:block;font:700 10px/1.2 var(--tsk-num);font-style:normal;color:var(--tsk-brand);letter-spacing:.02em;}
.ttc-rb u{text-decoration:none;color:var(--tsk-brand-ink);font-weight:800;}
.ttc-tip{margin-top:12px;padding:11px 14px;border-radius:9px;background:var(--tsk-gold-soft);border:1px solid rgba(201,138,45,.28);font-size:12px;line-height:1.8;color:var(--tsk-sub);}
.ttc-tip b{color:var(--tsk-gold);}

/* 结算 */
.ttc-score{margin-top:16px;padding-top:16px;border-top:1px dashed var(--tsk-line);}
.ttc-score-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.ttc-card{background:var(--tsk-card-2);border:1px solid var(--tsk-line-2);border-radius:10px;padding:12px 14px;text-align:center;}
.ttc-card span{display:block;font-size:11px;font-weight:800;color:var(--tsk-faint);}
.ttc-card b{display:block;margin-top:5px;font:800 18px/1.3 var(--tsk-num);color:var(--tsk-ink);}
.ttc-stars{color:var(--tsk-gold) !important;letter-spacing:.08em;}
.ttc-stars .ttc-star-off{color:var(--tsk-line);}
.ttc-score-acts{display:flex;gap:8px;justify-content:flex-end;margin-top:14px;}
.ttc-score-acts .tsk-btn-main{background:linear-gradient(135deg,var(--tsk-brand),var(--tsk-brand-2));color:#fff;}
:root[data-theme="dark"] .ttc-score-acts .tsk-btn-main{color:#22110d;}

/* 表格与列表 */
.ttc-scroll{overflow-x:auto;border-radius:11px;box-shadow:var(--tsk-shadow-sm);}
.ttc-table{width:100%;min-width:600px;border-collapse:collapse;background:var(--tsk-card);}
.ttc-table.is-wide{border:1px solid var(--tsk-line);}
.ttc-table th,.ttc-table td{padding:10px 14px;font-size:12.5px;line-height:1.7;border-bottom:1px solid var(--tsk-line-2);text-align:left;}
.ttc-table thead th{background:var(--tsk-card-2);font-size:11px;font-weight:800;color:var(--tsk-brand-ink);letter-spacing:.04em;}
.ttc-table tbody tr:last-child td{border-bottom:0;}
.ttc-table tbody tr:hover td{background:var(--tsk-card-2);}
.ttc-strong{font-weight:800;color:var(--tsk-ink);}
.ttc-lv{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11px;font-weight:800;}
.ttc-lv-0{background:var(--tsk-ok-soft);color:var(--tsk-ok);}
.ttc-lv-1{background:var(--tsk-gold-soft);color:var(--tsk-gold);}
.ttc-lv-2{background:var(--tsk-brand-soft);color:var(--tsk-brand-ink);}
.ttc-pick{padding:4px 12px;border:1px solid var(--tsk-line);border-radius:8px;background:var(--tsk-card-2);color:var(--tsk-brand-ink);font-size:11.5px;font-weight:800;cursor:pointer;transition:all .14s;white-space:nowrap;}
.ttc-pick:hover{border-color:var(--tsk-brand);background:var(--tsk-brand);color:#fff;}

.ttc-list{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(288px,1fr));gap:8px;}
.ttc-list li{position:relative;padding:12px 15px 12px 34px;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:9px;font-size:12.5px;line-height:1.78;color:var(--tsk-sub);}
.ttc-list li b{color:var(--tsk-brand-ink);}
.ttc-list li::before{content:"";position:absolute;left:14px;top:18px;width:9px;height:9px;border-radius:50%;background:var(--tsk-brand);}

@media (max-width:900px){
  .ttc-hero{grid-template-columns:1fr;gap:22px;}
  .ttc-form{align-self:stretch;}
  .ttc-score-cards{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:560px){
  .ttc-stage{font-size:15px;}
  .ttc-res-acts{width:100%;}
}