.fq-board{--fq-brand: #2563eb;--fq-brand-soft: #eff6ff;font-size:15px;line-height:1.65}.fq-board .fq-hero{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:flex-end;padding:28px 30px 24px;border-radius:20px;background:radial-gradient(1200px 300px at 85% -60%,rgba(37,99,235,.16),transparent 60%),linear-gradient(135deg,#f8fafc,#eef4ff);border:1px solid #e2e8f0;margin-bottom:18px}[data-theme=dark] .fq-hero{background:radial-gradient(1200px 300px at 85% -60%,rgba(37,99,235,.28),transparent 60%),linear-gradient(135deg,#111827,#0f172a);border-color:#1e293b}.fq-eyebrow{font-size:11px;letter-spacing:.18em;color:var(--fq-brand);font-weight:700;margin-bottom:8px}.fq-eyebrow span{background:var(--fq-brand);color:#fff;border-radius:6px;padding:2px 7px;margin-right:8px;letter-spacing:0}.fq-title{font-size:30px;font-weight:800;line-height:1.25;margin:0 0 6px}.fq-title-en{font-size:15px;font-weight:600;color:#64748b;margin-left:10px}.fq-sub{color:#64748b;font-size:13.5px;margin:0}.fq-stats{display:flex;gap:10px;flex-wrap:wrap}.fq-stat{background:#ffffffbf;border:1px solid #e2e8f0;border-radius:14px;padding:10px 16px;min-width:84px;text-align:center;backdrop-filter:blur(4px)}.fq-stat b{display:block;font-size:20px;font-weight:800;color:var(--fq-brand)}.fq-stat span{font-size:11.5px;color:#64748b}.fq-stat-ai b{color:#059669}.fq-status{color:#64748b;font-size:13px;margin:0 0 14px 4px;min-height:18px}.fq-error,.fq-warn{border-radius:12px;padding:14px 16px;margin:0 0 14px;display:flex;align-items:center;gap:12px;font-size:14px}.fq-error[hidden],.fq-warn[hidden]{display:none}.fq-error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}.fq-warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e}.fq-panel{margin-top:18px}.fq-step-head{display:flex;justify-content:space-between;align-items:flex-end;margin:26px 2px 12px}.fq-step-head:first-child{margin-top:4px}.fq-step-title{font-size:18px;font-weight:700;margin:0}.fq-step-sub{font-size:12.5px;color:#94a3b8;margin:2px 0 0}.fq-chips{display:flex;flex-wrap:wrap;gap:10px}.fq-chip{border:1px solid #e2e8f0;background:#fff;border-radius:999px;padding:7px 15px;font-size:14px;cursor:pointer;transition:all .15s ease;display:inline-flex;align-items:center;gap:7px;color:#334155}.fq-chip:hover{border-color:var(--fq-brand);color:var(--fq-brand)}.fq-chip.is-on{background:var(--fq-brand);border-color:var(--fq-brand);color:#fff;box-shadow:0 3px 10px #2563eb47}.fq-chip .fq-chip-n{font-size:11px;background:#0000000f;border-radius:999px;padding:1px 8px}.fq-chip.is-on .fq-chip-n{background:#ffffff38}.fq-chip .fq-chip-score{font-size:11px;opacity:.75}.fq-count-row{display:flex;align-items:center;gap:14px;margin-top:4px}.fq-step-tag{font-size:11px;font-weight:600;color:var(--fq-brand);background:var(--fq-brand-soft);border-radius:999px;padding:2px 9px;vertical-align:2px}.fq-field{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#64748b}.fq-field .select{min-width:88px}.fq-sep{color:#94a3b8;font-weight:700}.fq-quiz-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}.fq-quiz-meta{font-weight:700;font-size:15px;margin:0}.fq-quiz-hint{font-size:12.5px;color:#94a3b8;margin:2px 0 0}.fq-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}.fq-q{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:18px 20px;box-shadow:0 1px 3px #0f172a0a}[data-theme=dark] .fq-q{background:#111827;border-color:#1e293b}.fq-q-head{display:flex;gap:12px;align-items:flex-start}.fq-q-index{flex:none;width:28px;height:28px;border-radius:9px;background:var(--fq-brand-soft);color:var(--fq-brand);font-weight:800;font-size:14px;display:grid;place-items:center;margin-top:2px}.fq-q-title{font-size:16px;font-weight:700;margin:0 0 6px;line-height:1.5}.fq-q-tags{margin:0;display:flex;gap:6px;flex-wrap:wrap}.fq-variants{margin-top:14px;display:grid;gap:12px}.fq-v{border-left:3px solid var(--fq-brand);background:#f8fafc;border-radius:0 12px 12px 0;padding:14px 16px}[data-theme=dark] .fq-v{background:#0f172a}.fq-v-label{font-size:12px;font-weight:700;color:var(--fq-brand);margin:0 0 8px;display:flex;align-items:center;gap:8px}.fq-v-score{background:var(--fq-brand-soft);color:var(--fq-brand);border-radius:999px;padding:1px 8px;font-weight:600}.fq-v-stem{margin:0 0 12px;font-size:14.5px;white-space:pre-wrap}.fq-opt{display:flex;align-items:flex-start;gap:9px;padding:8px 10px;border:1px solid #e2e8f0;border-radius:10px;margin-bottom:7px;cursor:pointer;background:#fff;transition:border-color .12s ease,background .12s ease}.fq-opt:hover{border-color:var(--fq-brand)}.fq-opt:has(input:checked){border-color:var(--fq-brand);background:var(--fq-brand-soft)}.fq-opt input{margin-top:3px}.fq-opt-letter{flex:none;width:20px;height:20px;border-radius:6px;background:#f1f5f9;display:grid;place-items:center;font-size:12px;font-weight:700;color:#475569}.fq-opt-text{font-size:14px}.fq-fill{display:flex;flex-wrap:wrap;gap:10px}.fq-fill-input{flex:1 1 200px}.fq-textarea{width:100%;min-height:92px;font-size:14px}.fq-actions{margin:22px 0 8px;display:flex;gap:12px;justify-content:center}.fq-result-summary{text-align:center;border-radius:16px;padding:22px;margin-bottom:18px;background:linear-gradient(135deg,#f8fafc,#eef4ff);border:1px solid #e2e8f0}.fq-rs-score{font-size:42px;font-weight:800;line-height:1;color:var(--fq-brand);margin:4px 0 10px}.fq-rs-score small{font-size:18px;color:#94a3b8;font-weight:600}.fq-rs-bar{height:10px;border-radius:999px;background:#e2e8f0;overflow:hidden;max-width:420px;margin:0 auto 10px}.fq-rs-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#3b82f6,#2563eb);transition:width .5s ease}.fq-rs-meta{font-size:13px;color:#64748b;margin:0}.fq-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}.fq-tab{border:1px solid #e2e8f0;background:#fff;border-radius:999px;padding:7px 16px;font-size:14px;font-weight:600;cursor:pointer;color:#475569;transition:all .15s ease}[data-theme=dark] .fq-tab{background:#111827;border-color:#1e293b;color:#cbd5e1}.fq-tab:hover{border-color:var(--fq-brand);color:var(--fq-brand)}.fq-tab.is-active{background:var(--fq-brand);border-color:var(--fq-brand);color:#fff;box-shadow:0 3px 10px #2563eb40}.fq-tab-badge{display:inline-block;min-width:18px;padding:0 5px;border-radius:999px;background:#00000014;font-size:11px;font-weight:700;text-align:center}.fq-tab.is-active .fq-tab-badge{background:#ffffff40}.fq-fav-btn{flex:none;width:34px;height:34px;border-radius:10px;border:1px solid #e2e8f0;background:#fff;color:#94a3b8;font-size:17px;cursor:pointer;transition:all .15s ease}.fq-fav-btn:hover{border-color:#f59e0b;color:#f59e0b}.fq-fav-btn.is-on{color:#f59e0b;border-color:#fde68a;background:#fffbeb}.fq-rate{margin-top:12px;display:flex;align-items:center;gap:4px;flex-wrap:wrap;border-top:1px dashed #e2e8f0;padding-top:10px}.fq-rate-label{font-size:12.5px;color:#94a3b8;margin-right:4px}.fq-star{border:none;background:none;font-size:20px;color:#d1d5db;cursor:pointer;padding:0 2px;transition:transform .1s ease,color .1s ease}.fq-star:hover{transform:scale(1.25);color:#f59e0b}.fq-star.is-on{color:#f59e0b}.fq-rate-msg{font-size:12px;color:#16a34a;margin-left:6px}.fq-empty{text-align:center;color:#94a3b8;font-size:14px;padding:36px 12px;border:1px dashed #e2e8f0;border-radius:14px}.fq-review-detail{margin-top:10px}.fq-review-detail summary{cursor:pointer;font-size:13px;color:var(--fq-brand);-webkit-user-select:none;-moz-user-select:none;user-select:none}.fq-review-detail pre{margin-top:8px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:12px 14px;font-size:13px;white-space:pre-wrap;max-height:320px;overflow:auto}.fq-r{background:#fff;border:1px solid #e2e8f0;border-left-width:4px;border-radius:14px;padding:16px 18px}.fq-r.is-right{border-left-color:#22c55e}.fq-r.is-wrong{border-left-color:#ef4444}.fq-r.is-pending{border-left-color:#f59e0b}.fq-r-head{display:flex;align-items:flex-start;gap:12px}.fq-r-mark{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;color:#fff}.fq-r.is-right .fq-r-mark{background:#22c55e}.fq-r.is-wrong .fq-r-mark{background:#ef4444}.fq-r.is-pending .fq-r-mark{background:#f59e0b}.fq-r-title{font-size:15px;font-weight:700;margin:0 0 5px;flex:1}.fq-r-score{font-weight:800;font-size:15px;color:#334155;white-space:nowrap}.fq-r-body{margin-top:10px;font-size:14px}.fq-r-stem{margin:0 0 8px;color:#475569;white-space:pre-wrap}.fq-r-line{margin:4px 0;font-size:13.5px}.fq-r-line b{font-weight:700}.fq-r-line.is-correct b{color:#16a34a}.fq-r-line.is-wrong b{color:#dc2626}.fq-r-comment{margin:8px 0 0;background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:8px;padding:8px 10px;font-size:13px}.fq-r-exp{margin:8px 0 0;color:#64748b;font-size:13px}.fq-r-ref{margin-top:10px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:12px 14px}.fq-r-ref-title{font-size:12px;font-weight:700;color:var(--fq-brand);margin:0 0 6px}.fq-pre{white-space:pre-wrap;font-family:inherit;font-size:13.5px;margin:0;color:#334155}.fq-r-list{margin:6px 0 0;padding-left:18px;font-size:13px;color:#475569}.fq-loading{position:fixed;inset:0;background:#0f172a73;backdrop-filter:blur(3px);display:grid;place-items:center;z-index:60}.fq-loading[hidden]{display:none}.fq-loading-box{background:#fff;border-radius:18px;padding:30px 38px;text-align:center;max-width:400px;box-shadow:0 20px 60px #0f172a40}.fq-loading-box p{margin:12px 0 0;font-weight:700;font-size:15px}.fq-loading-sub{font-weight:400!important;font-size:12.5px!important;color:#94a3b8}@media (max-width: 640px){.fq-title{font-size:24px}.fq-hero{padding:20px 18px}.fq-q{padding:14px}}