/* ====== 173 IQ智商测试 · 瑞文矩阵：深靛蓝 ====== */
.tsk.iqt{
  --tsk-bg:#eef0fa;
  --tsk-card:#ffffff;
  --tsk-card-2:#f4f5fc;
  --tsk-ink:#1b1d33;
  --tsk-sub:#565a80;
  --tsk-faint:#8d91b4;
  --tsk-line:#dcdff0;
  --tsk-line-2:#e9ebf7;
  --tsk-brand:#4338ca;
  --tsk-brand-2:#7c3aed;
  --tsk-brand-soft:#e6e4fb;
  --tsk-brand-ink:#3730a3;
  --tsk-ok:#2f9e44;
  --tsk-ok-soft:#e6f4e9;
  --tsk-bad:#d93a3a;
  --tsk-bad-soft:#fbe9e9;
  --tsk-warn:#e8890c;
  --tsk-warn-soft:#fdf3e0;
  background:
    radial-gradient(700px 320px at 100% -10%, rgba(67,56,202,.10), transparent 60%),
    radial-gradient(520px 260px at -6% 8%, rgba(124,58,237,.08), transparent 58%),
    var(--tsk-bg);
}
:root[data-theme="dark"] .tsk.iqt{
  --tsk-bg:#101123;
  --tsk-card:#181a30;
  --tsk-card-2:#1f2140;
  --tsk-ink:#e7e8f6;
  --tsk-sub:#a9adc9;
  --tsk-faint:#787da0;
  --tsk-line:#2c2f52;
  --tsk-line-2:#242746;
  --tsk-brand:#818cf8;
  --tsk-brand-2:#a78bfa;
  --tsk-brand-soft:rgba(129,140,248,.15);
  --tsk-brand-ink:#a5b4fc;
  --tsk-ok:#51cf66;
  --tsk-ok-soft:rgba(81,207,102,.14);
  --tsk-bad:#ff8787;
  --tsk-bad-soft:rgba(255,135,135,.14);
  --tsk-warn:#ffa94d;
  --tsk-warn-soft:rgba(255,169,77,.14);
}
.iqt-hero{display:grid;grid-template-columns:minmax(0,1fr) 394px;gap:30px;padding:30px 0 24px;align-items:stretch;}
.iqt-hero-l{display:flex;flex-direction:column;}
.iqt-hero-l>.tsk-hs{flex:1 1 auto;}
.iqt-hero-l .tsk-h1 b{color:var(--tsk-brand-ink);}

/* 开始面板 */
.iqt-panel{align-self:start;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:14px;box-shadow:var(--tsk-shadow);overflow:hidden;}
.iqt-panel-top{display:flex;justify-content:space-between;align-items:center;padding:15px 20px 12px;border-bottom:1px dashed var(--tsk-line);background:linear-gradient(135deg,var(--tsk-brand-soft),transparent);}
.iqt-panel-top span{font-size:12.5px;font-weight:800;color:var(--tsk-ink);letter-spacing:.04em;}
.iqt-panel-top i{font-style:normal;font:700 10px/1 var(--tsk-num);letter-spacing:.18em;color:var(--tsk-faint);}
.iqt-panel-body{padding:6px 20px 18px;}
.iqt-panel-body label{display:block;margin:11px 0 5px;font-size:11.5px;font-weight:800;color:var(--tsk-sub);}
.iqt-panel-body select{width:100%;height:36px;padding:0 10px;border:1px solid var(--tsk-line);border-radius:8px;background:var(--tsk-card-2);color:var(--tsk-ink);font:700 13px/36px var(--tsk-font);outline:none;}
.iqt-panel-body select:focus{border-color:var(--tsk-brand);box-shadow:0 0 0 3px var(--tsk-brand-soft);}
.iqt-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px;}
.iqt-meta div{background:var(--tsk-card-2);border:1px solid var(--tsk-line-2);border-radius:9px;text-align:center;padding:9px 4px;}
.iqt-meta b{display:block;font:800 19px/1.2 var(--tsk-num);color:var(--tsk-brand-ink);}
.iqt-meta span{font-size:10.5px;color:var(--tsk-faint);font-weight:700;}
.iqt-err{margin-top:12px;padding:8px 12px;border-radius:8px;background:var(--tsk-bad-soft);border:1px solid var(--tsk-bad);color:var(--tsk-bad);font-size:12px;line-height:1.6;}
.iqt-panel .tsk-btn-main{width:100%;margin-top:14px;background:linear-gradient(135deg,var(--tsk-brand),var(--tsk-brand-2));color:#fff;}
.iqt-panel-foot{margin-top:10px;font-size:10.5px;line-height:1.7;color:var(--tsk-faint);}

/* 计时条 */
.iqt-bar{display:flex;align-items:center;gap:14px;padding:12px 18px;margin-bottom:14px;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:12px;box-shadow:var(--tsk-shadow-sm);position:sticky;top:10px;z-index:5;}
.iqt-bar-title{font-size:12.5px;font-weight:800;color:var(--tsk-ink);}
.iqt-bar-done{margin-left:auto;font-size:12px;color:var(--tsk-sub);}
.iqt-timer{font:800 20px/1 var(--tsk-num);color:var(--tsk-brand-ink);background:var(--tsk-brand-soft);padding:6px 14px;border-radius:99px;}
.iqt-timer.is-low{color:var(--tsk-bad);background:var(--tsk-bad-soft);}

/* 题目卡 */
.iqt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;}
.iqt-q{background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:12px;padding:14px;box-shadow:var(--tsk-shadow-sm);}
.iqt-q h4{margin:0 0 9px;font-size:12.5px;font-weight:800;color:var(--tsk-ink);}
.iqt-q h4 small{margin-left:6px;font-weight:700;color:var(--tsk-faint);font-size:10.5px;}
.iqt-mtx{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;}
.iqt-cell{aspect-ratio:1;border:1px solid var(--tsk-line-2);border-radius:7px;background:var(--tsk-card-2);display:flex;align-items:center;justify-content:center;}
.iqt-cell.q{border-style:dashed;color:var(--tsk-brand-ink);font:800 22px/1 var(--tsk-num);background:var(--tsk-brand-soft);}
.iqt-fig{width:82%;height:82%;color:var(--tsk-brand);}
.iqt-opts{display:grid;grid-template-columns:repeat(6,1fr);gap:5px;margin-top:9px;}
.iqt-opt{aspect-ratio:1;border:1px solid var(--tsk-line);border-radius:7px;background:var(--tsk-card-2);cursor:pointer;padding:3px;display:flex;align-items:center;justify-content:center;transition:border-color .14s,box-shadow .14s;}
.iqt-opt:hover{border-color:var(--tsk-brand);}
.iqt-opt.sel{border-color:var(--tsk-brand);box-shadow:0 0 0 2px var(--tsk-brand-soft);background:var(--tsk-brand-soft);}
.iqt-submit{text-align:center;margin-top:16px;}
.iqt-submit .tsk-btn-main{background:linear-gradient(135deg,var(--tsk-brand),var(--tsk-brand-2));color:#fff;padding:11px 30px;}

/* 结果 */
.iqt-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;}
.iqt-res-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:11px;}
.iqt-res-card{background:var(--tsk-card-2);border:1px solid var(--tsk-line-2);border-radius:11px;padding:15px 17px;}
.iqt-res-card b{display:block;font:800 25px/1.15 var(--tsk-num);color:var(--tsk-ink);}
.iqt-res-card span{display:block;margin-top:5px;font-size:11.5px;font-weight:700;color:var(--tsk-faint);}
.iqt-res-card i{display:block;margin-top:3px;font-style:normal;font-size:10.5px;color:var(--tsk-sub);}
.iqt-res-card.iqt-main{background:var(--tsk-brand-soft);border-color:rgba(67,56,202,.3);}
.iqt-res-card.iqt-main b{color:var(--tsk-brand-ink);}
.iqt-alert{margin-top:13px;padding:12px 14px;border-radius:9px;background:var(--tsk-warn-soft);border:1px solid rgba(232,137,12,.3);font-size:12px;line-height:1.8;color:var(--tsk-sub);}
.iqt-alert b{color:var(--tsk-warn);}
.iqt-plan{margin-top:14px;overflow-x:auto;border-radius:11px;border:1px solid var(--tsk-line);}
.iqt-res-actions{display:flex;align-items:center;gap:10px;margin-top:14px;}
.iqt-res-actions .tsk-btn{border:1px solid var(--tsk-brand);color:var(--tsk-brand-ink);background:var(--tsk-brand-soft);}
.iqt-copy-tip{font-size:12px;color:var(--tsk-sub);}

.iqt-scroll{overflow-x:auto;border-radius:11px;box-shadow:var(--tsk-shadow-sm);}
.iqt-table{width:100%;min-width:560px;border-collapse:collapse;background:var(--tsk-card);}
.iqt-table.is-wide{border:1px solid var(--tsk-line);}
.iqt-table th,.iqt-table td{padding:10px 14px;font-size:12.5px;line-height:1.7;border-bottom:1px solid var(--tsk-line-2);text-align:left;}
.iqt-table thead th{background:var(--tsk-card-2);font-size:11px;font-weight:800;color:var(--tsk-brand-ink);letter-spacing:.04em;}
.iqt-table tbody tr:last-child td{border-bottom:0;}
.iqt-table tbody tr:hover td{background:var(--tsk-card-2);}
.iqt-strong{font-weight:800;color:var(--tsk-ink);white-space:nowrap;}
.iqt-tag{display:inline-block;padding:2px 9px;border-radius:99px;background:var(--tsk-brand-soft);color:var(--tsk-brand-ink);font:800 11.5px/1.7 var(--tsk-num);}
.iqt-pass{color:var(--tsk-ok);font-weight:800;}
.iqt-fail{color:var(--tsk-bad);font-weight:800;}

.iqt-list{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(278px,1fr));gap:8px;}
.iqt-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);}
.iqt-list li::before{content:"◈";position:absolute;left:12px;top:10px;color:var(--tsk-brand);}

.iqt-rules{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:10px;}
.iqt-rule{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:16px 18px;background:var(--tsk-card);border:1px solid var(--tsk-line);border-radius:11px;box-shadow:var(--tsk-shadow-sm);}
.iqt-rule>span{width:30px;height:30px;border-radius:8px;background:var(--tsk-brand-soft);color:var(--tsk-brand-ink);font:800 13px/30px var(--tsk-num);text-align:center;}
.iqt-rule b{font-size:13px;font-weight:800;color:var(--tsk-ink);}
.iqt-rule p{margin:5px 0 0;font-size:12px;line-height:1.8;color:var(--tsk-sub);}

@media (max-width:900px){
  .iqt-hero{grid-template-columns:1fr;gap:22px;}
  .iqt-panel{align-self:stretch;}
  .iqt-grid{grid-template-columns:1fr;}
}