.vc{--vc-blue: #2563EB;--vc-blue-d: #1D4FD7;--vc-blue-l: #EFF4FE;--vc-ink: #1F2937;--vc-gray: #6B7280;--vc-line: #E5E7EB;background:#f3f5f9;padding:24px 0 40px;line-height:1.7;color:var(--vc-ink)}.vc-app{max-width:440px;margin:0 auto;background:#fff;border-radius:16px;position:relative;overflow:hidden;box-shadow:0 2px 12px #0000000d}.vc-screen{display:none;padding:20px}.vc-screen.active{display:block}.vc button{font-family:inherit}.vc-topbrand{display:flex;align-items:center;gap:9px;margin-bottom:22px}.vc-topbrand .ic{width:34px;height:34px;background:var(--vc-blue);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}.vc-topbrand b{font-size:16px}.vc-badge{width:74px;height:74px;margin:0 auto 14px;background:linear-gradient(160deg,#3b74f0,#2149c0);border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 14px #2563eb4d}.vc-badge small{font-size:11px;opacity:.9}.vc-badge b{font-size:22px;line-height:1.3}.vc-h{font-size:27px;font-weight:800;text-align:center;margin:0 0 10px}.vc-p{font-size:14px;color:var(--vc-gray);text-align:center;margin:0 0 20px;line-height:1.8}.vc-feats{background:var(--vc-blue-l);border-radius:14px;padding:16px 18px;margin-bottom:22px}.vc-feat{display:flex;align-items:center;gap:12px;padding:6px 0;font-size:14px}.vc-feat .fi{width:30px;height:30px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--vc-blue);font-size:15px;flex-shrink:0}.vc-qsel-label{font-size:14px;font-weight:700;margin:0 0 10px}.vc-qgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}.vc-qopt{border:2px solid var(--vc-line);background:#fff;color:var(--vc-ink);border-radius:12px;padding:14px;text-align:center;cursor:pointer;position:relative;transition:all .12s}.vc-qopt b{font-size:18px;display:block}.vc-qopt small{font-size:11px;color:var(--vc-gray)}.vc-qopt.sel{border-color:var(--vc-blue);background:var(--vc-blue-l);color:var(--vc-blue-d)}.vc-qopt.sel b{color:var(--vc-blue-d)}.vc-qopt.sel:after{content:"✓";position:absolute;top:-8px;right:-8px;width:22px;height:22px;background:var(--vc-blue);color:#fff;border-radius:50%;font-size:12px;display:flex;align-items:center;justify-content:center}.vc-bigbtn{width:100%;background:var(--vc-blue);color:#fff;border:none;border-radius:12px;padding:16px;font-size:16px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}.vc-bigbtn:hover{background:var(--vc-blue-d)}.vc-bigbtn:disabled{opacity:.5;cursor:default}.vc-bigbtn:disabled:hover{background:var(--vc-blue)}.vc-note{font-size:11px;color:var(--vc-gray);text-align:center;margin-top:12px}.vc-qhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.vc-qhead .back{background:none;border:none;font-size:20px;color:var(--vc-gray);cursor:pointer}.vc-qhead .title{font-size:15px;font-weight:700}.vc-qhead .spacer{width:20px}.vc-progrow{display:flex;justify-content:space-between;font-size:13px;color:var(--vc-gray);margin-bottom:8px}.vc-progrow .n{font-weight:700;color:var(--vc-ink)}.vc-bar{height:8px;background:var(--vc-line);border-radius:5px;overflow:hidden;margin-bottom:20px}.vc-bar .fill{height:100%;background:var(--vc-blue);width:0;transition:width .3s}.vc-qcard{background:#fff;border:1px solid var(--vc-line);border-radius:16px;padding:26px 20px;text-align:center;box-shadow:0 2px 10px #00000008;margin-bottom:18px;position:relative}.vc-qcard .lbl{position:absolute;top:16px;left:18px;background:var(--vc-blue-l);color:var(--vc-blue-d);font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px}.vc-qcard .snd{position:absolute;top:12px;right:14px;color:var(--vc-gray);font-size:18px;background:none;border:none;cursor:pointer}.vc-qcard .word{font-size:32px;font-weight:800;margin:24px 0 6px;letter-spacing:.01em}.vc-qcard .ask{font-size:15px;color:var(--vc-gray)}.vc-qopts{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}.vc-ans{border:2px solid var(--vc-line);border-radius:12px;padding:15px 16px;font-size:15px;cursor:pointer;display:flex;align-items:center;gap:12px;background:#fff;color:var(--vc-ink);text-align:left;transition:all .12s}.vc-ans .radio{width:20px;height:20px;border:2px solid #CBD5E1;border-radius:50%;flex-shrink:0;position:relative}.vc-ans.correct{border-color:#16a34a;background:#effaf1}.vc-ans.correct .radio{border-color:#16a34a}.vc-ans.correct .radio:after{content:"";position:absolute;inset:3px;background:#16a34a;border-radius:50%}.vc-ans.wrong{border-color:#dc2626;background:#fdecec}.vc-ans.locked{pointer-events:none}.vc-confetti{height:70px;position:relative;overflow:hidden}.vc-confetti span{position:absolute;width:8px;height:8px;border-radius:2px;opacity:.9}.vc-trophy{text-align:center;font-size:46px;margin:-6px 0 6px}.vc-rest{text-align:center;font-size:16px;font-weight:700;color:var(--vc-gray);margin:0 0 4px}.vc-reslv{text-align:center;font-size:15px;font-weight:800;margin:0 0 20px}.vc-reslv .big{color:var(--vc-blue);font-size:30px}.vc-scorecard{background:#fff;border:1px solid var(--vc-line);border-radius:16px;padding:22px;display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;box-shadow:0 2px 10px #00000008}.vc-scorecard .pct-label{font-size:14px;color:var(--vc-gray)}.vc-scorecard .pct{font-size:40px;font-weight:800;color:var(--vc-blue);line-height:1}.vc-donut{width:96px;height:96px;border-radius:50%;display:flex;align-items:center;justify-content:center}.vc-donut .inner{width:70px;height:70px;background:#fff;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:13px;font-weight:700;line-height:1.3;text-align:center}.vc-comment{background:var(--vc-blue-l);border-radius:14px;padding:16px 18px;margin-bottom:18px}.vc-comment .ch{font-weight:800;font-size:15px;margin:0 0 6px;display:flex;align-items:center;gap:6px}.vc-comment p{font-size:13px;color:#374151;margin:0;line-height:1.9}.vc-resbtn{width:100%;border-radius:12px;padding:15px;font-size:15px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:10px}.vc-resbtn.primary{background:var(--vc-blue);color:#fff;border:none}.vc-resbtn.ghost{background:#fff;color:var(--vc-ink);border:1.5px solid var(--vc-line)}.vc-reslink{display:block;text-align:center;color:var(--vc-blue);font-size:14px;font-weight:700;text-decoration:none;margin-top:8px}.vc-cta{background:#fff9ec;border:1px solid #F5E3B3;border-radius:14px;padding:18px;text-align:center;margin:16px 0}.vc-cta h4{font-size:15px;font-weight:800;margin:0 0 4px}.vc-cta p{font-size:12px;color:var(--vc-gray);margin:0 0 12px}.vc-cta a{display:inline-block;background:#e24b4a;color:#fff;font-size:14px;font-weight:700;padding:12px 22px;border-radius:8px;text-decoration:none}