/* ToolCMS V3.1.82 (c) ToolWorld https://www.toolworld.cn/ */
*{box-sizing:border-box;margin:0;padding:0}
body{margin:0;padding:0;font-family:inherit;background:transparent;color:var(--text-1,#333);font-size:14px;line-height:1.6}
.study-quiz-container{max-width:100%;margin:0 auto;padding:16px}
.study-quiz-stage{display:block}
.study-quiz-stage[hidden]{display:none}
.study-quiz-introcard{background:var(--bg-card,#fff);border:1px solid var(--border,#e2e8f0);border-radius:var(--radius,16px);padding:36px 28px;text-align:center}
.study-quiz-h2{font-size:22px;margin-bottom:10px;color:var(--text-1,#111827)}
.study-quiz-lead{color:var(--text-2,#555);font-size:14px;margin-bottom:18px}
.study-quiz-bankinfo{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:22px}
.study-quiz-pill{font-size:12px;color:var(--primary,var(--primary-hover));background:var(--primary-light);border-radius:99px;padding:4px 12px}
.study-quiz-hud{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.study-quiz-counter{font-weight:600;font-size:14px;color:var(--text-2,#555)}
.study-quiz-score{font-size:14px;font-weight:700;color:var(--primary,var(--primary-hover))}
.study-quiz-track{height:8px;background:var(--bg-soft,#eef2f7);border-radius:99px;overflow:hidden;margin-bottom:16px}
.study-quiz-trackfill{height:100%;background:var(--primary,var(--primary-hover));width:0;transition:width .3s}
.study-quiz-qcard{background:var(--bg-card,#fff);border:1px solid var(--border,#e2e8f0);border-radius:var(--radius,16px);padding:22px}
.study-quiz-qtext{font-size:17px;font-weight:600;margin-bottom:16px;line-height:1.5}
.study-quiz-options{display:flex;flex-direction:column;gap:10px}
.study-quiz-opt{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:12px 14px;border:1px solid var(--border,#d1d5db);border-radius:var(--radius-sm,10px);background:var(--bg-card,#fff);color:var(--text-1,#333);font-size:14px;cursor:pointer;transition:border-color .15s,background .15s}
.study-quiz-opt:hover:not(:disabled){border-color:var(--primary,var(--primary-hover));background:var(--primary-light)}
.study-quiz-opt:disabled{cursor:default}
.study-quiz-opt .study-quiz-optkey{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--bg-soft,#eef2f7);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;color:var(--text-2,#555)}
.study-quiz-opt.right{border-color:var(--success,#16a34a);background:rgba(22,163,74,.08)}
.study-quiz-opt.right .study-quiz-optkey{background:var(--success,#16a34a);color:#fff}
.study-quiz-opt.wrong{border-color:var(--error,#dc2626);background:var(--error-bg,#fee2e2)}
.study-quiz-opt.wrong .study-quiz-optkey{background:var(--error,#dc2626);color:#fff}
.study-quiz-explain{margin-top:14px;padding:14px;border-radius:var(--radius,12px);background:var(--bg-soft,#f8fafc);border-left:4px solid var(--primary,var(--primary-hover))}
.study-quiz-explain-label{font-weight:700;font-size:13px;color:var(--primary,var(--primary-hover))}
.study-quiz-explain-text{font-size:13px;color:var(--text-2,#555);margin-top:4px}
.study-quiz-ctlbar{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}
.study-quiz-ctlbar-center{justify-content:center}
.study-quiz-btn{padding:10px 18px;border:1px solid var(--border,#d1d5db);border-radius:var(--radius-sm,8px);background:var(--bg-card,#fff);color:var(--text-1,#333);cursor:pointer;font-size:13px;transition:background .15s}
.study-quiz-btn:hover{background:var(--primary-light)}

.study-quiz-btn-primary{background:var(--primary,var(--primary-hover));color:#fff;border-color:var(--primary,var(--primary-hover))}
.study-quiz-btn-primary:hover{background:var(--primary-light);color:var(--primary)}

.study-quiz-btn-lg{padding:12px 34px;font-size:15px}
.study-quiz-resultcard{background:var(--bg-card,#fff);border:1px solid var(--border,#e2e8f0);border-radius:var(--radius,16px);padding:28px;text-align:center}
.study-quiz-scorecircle{width:120px;height:120px;border-radius:50%;margin:14px auto;display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:800;color:#fff;background:conic-gradient(var(--primary,var(--primary-hover)) 0%,var(--primary-light,#dbeafe) 0)}
.study-quiz-verdict{font-size:15px;font-weight:600;margin-bottom:16px}
.study-quiz-review{text-align:left;margin:10px 0 16px;display:flex;flex-direction:column;gap:8px;max-height:260px;overflow:auto}
.study-quiz-reviewrow{font-size:13px;padding:10px 12px;border-radius:var(--radius-sm,8px);background:var(--bg-soft,#f8fafc)}
.study-quiz-reviewrow.good{border-left:3px solid var(--success,#16a34a)}
.study-quiz-reviewrow.bad{border-left:3px solid var(--error,#dc2626)}
.study-quiz-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.study-quiz-message{margin-top:8px;padding:8px 12px;border-radius:var(--radius-sm,8px);font-size:13px;display:none}
.study-quiz-message.show{display:block}
.study-quiz-message.success{background:var(--primary-light);color:var(--primary,var(--primary-hover))}
.study-quiz-message.error{background:var(--error-bg,#fee2e2);color:var(--error,#991b1b)}
.study-quiz-footer{display:flex;justify-content:space-between;align-items:center;margin-top:20px;padding-top:12px;border-top:1px solid var(--border-light,#f1f5f9);font-size:12px;color:var(--text-3,#94a3b8)}
.study-quiz-footer-right{margin-left:auto}
@media(max-width:640px){.study-quiz-container{padding:12px}.study-quiz-introcard{padding:24px 16px}.study-quiz-qcard{padding:16px}.study-quiz-btn{flex:1 1 auto}.study-quiz-footer{flex-direction:column;gap:4px;text-align:center}}