.q-card[data-v-961e6a95]{margin-bottom:12px}.fade-enter-active,.fade-leave-active{transition:opacity .2s}.fade-enter-from,.fade-leave-to{opacity:0}:root{--primary: #1f6feb;--primary-dark: #1857bd;--primary-light: #e8f1ff;--ok: #16a34a;--ok-bg: #e8f8ee;--err: #dc2626;--err-bg: #fdecec;--warn: #d97706;--bg: #f2f4f8;--card: #ffffff;--text: #1f2329;--text-2: #5b6472;--text-3: #8a94a6;--line: #e5e8ef;--radius: 14px;--shadow: 0 2px 12px rgba(24, 40, 72, .06)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#app{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}input,select{font-family:inherit;font-size:14px}.app-shell{max-width:900px;margin:0 auto;padding-bottom:84px}.app-header{position:sticky;top:0;z-index:30;background:linear-gradient(135deg,#1f6feb,#2f8af5);color:#fff;padding:12px 16px;box-shadow:0 2px 10px #1f6feb2e}.app-header h1{margin:0;font-size:17px;font-weight:600;letter-spacing:.5px}.app-header .sub{font-size:12px;opacity:.85;margin-top:2px}.header-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:40;display:flex;background:#fff;border-top:1px solid var(--line);padding:6px 0 max(6px,env(safe-area-inset-bottom))}.tabbar button{flex:1;border:0;background:none;padding:4px 0;color:var(--text-3);font-size:11px;display:flex;flex-direction:column;align-items:center;gap:2px}.tabbar button .ico{font-size:19px;line-height:1}.tabbar button.active{color:var(--primary);font-weight:600}.page{padding:14px}.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:14px}.card h2{margin:0 0 12px;font-size:16px;font-weight:600}.card h3{margin:0 0 8px;font-size:15px;font-weight:600}.muted{color:var(--text-2);font-size:13px}.tiny{font-size:12px;color:var(--text-3)}.row{display:flex;align-items:center;gap:10px}.row.between{justify-content:space-between}.wrap{flex-wrap:wrap}.grow{flex:1}.center{text-align:center}.hidden{display:none}.btn{border:0;border-radius:10px;padding:11px 16px;font-size:15px;font-weight:600;background:var(--primary);color:#fff;transition:.15s}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.ghost{background:var(--primary-light);color:var(--primary)}.btn.line{background:#fff;color:var(--text-2);border:1px solid var(--line)}.btn.danger{background:var(--err-bg);color:var(--err)}.btn.sm{padding:7px 12px;font-size:13px;font-weight:500;border-radius:8px}.btn.block{display:block;width:100%}.btn.big{padding:15px;font-size:17px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.stat{background:var(--card);border-radius:12px;padding:12px;text-align:center;box-shadow:var(--shadow)}.stat .num{font-size:22px;font-weight:700;line-height:1.2}.stat .lbl{font-size:12px;color:var(--text-3);margin-top:2px}.chip{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;background:var(--primary-light);color:var(--primary);margin-right:6px}.chip.gray{background:#eef0f4;color:var(--text-2)}.chip.ok{background:var(--ok-bg);color:var(--ok)}.chip.err{background:var(--err-bg);color:var(--err)}.chip.warn{background:#fff4e5;color:var(--warn)}.q-stem{font-size:16px;font-weight:600;line-height:1.7;margin:0 0 14px}.q-meta{font-size:12px;color:var(--text-3);margin-bottom:8px}.opt{display:flex;gap:10px;align-items:flex-start;border:1.5px solid var(--line);border-radius:11px;padding:12px 13px;margin-bottom:10px;background:#fff;transition:.12s;-webkit-user-select:none;user-select:none}.opt:active{transform:scale(.995)}.opt .key{flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--text-2)}.opt .txt{flex:1;font-size:15px}.opt.sel{border-color:var(--primary);background:var(--primary-light)}.opt.sel .key{background:var(--primary);border-color:var(--primary);color:#fff}.opt.right{border-color:var(--ok);background:var(--ok-bg)}.opt.right .key{background:var(--ok);border-color:var(--ok);color:#fff}.opt.wrong{border-color:var(--err);background:var(--err-bg)}.opt.wrong .key{background:var(--err);border-color:var(--err);color:#fff}.opt.disabled{opacity:.75}.explain{margin-top:12px;padding:12px;border-radius:10px;background:#f7f9fc;border:1px solid var(--line);font-size:14px}.explain .ans{font-weight:700;color:var(--ok)}.explain .my{color:var(--err)}.explain .pts{margin-top:6px;color:var(--text-2);line-height:1.7}.answer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(42px,1fr));gap:8px}.answer-cell{aspect-ratio:1;border-radius:8px;border:1px solid var(--line);background:#fff;font-size:13px;font-weight:600;color:var(--text-2);display:flex;align-items:center;justify-content:center}.answer-cell.done{background:var(--primary);border-color:var(--primary);color:#fff}.answer-cell.current{box-shadow:0 0 0 2px var(--primary-light);border-color:var(--primary);color:var(--primary)}.answer-cell.done.current{color:#fff}.answer-cell.right{background:var(--ok);border-color:var(--ok);color:#fff}.answer-cell.wrong{background:var(--err);border-color:var(--err);color:#fff}.progress{height:6px;background:#e9edf3;border-radius:4px;overflow:hidden}.progress>i{display:block;height:100%;background:var(--primary);border-radius:4px;transition:width .25s}.score-hero{text-align:center;padding:8px 0 4px}.score-hero .s{font-size:52px;font-weight:800;line-height:1.1}.score-hero .s.pass{color:var(--ok)}.score-hero .s.fail{color:var(--err)}.score-hero .t{font-size:14px;color:var(--text-2)}.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:9px;font-size:13px}.bar-row .name{width:96px;flex:none;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar-row .track{flex:1;height:8px;background:#eef1f6;border-radius:5px;overflow:hidden}.bar-row .fill{height:100%;background:var(--primary);border-radius:5px}.bar-row .val{width:42px;text-align:right;color:var(--text-3);flex:none}.list-item{border:1px solid var(--line);border-radius:11px;padding:12px;margin-bottom:10px;background:#fff}.list-item .t{font-size:14px;font-weight:500;line-height:1.6}.list-item .m{font-size:12px;color:var(--text-3);margin-top:6px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:500}.field input[type=number],.field select,.field input[type=text]{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}.field input[type=range]{width:100%;accent-color:var(--primary)}.switch-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;font-size:14px}.switch{position:relative;width:46px;height:26px;flex:none}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;top:0;right:0;bottom:0;left:0;background:#d3d9e2;border-radius:26px;transition:.2s}.slider:before{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}.switch input:checked+.slider{background:var(--primary)}.switch input:checked+.slider:before{transform:translate(20px)}.timer{font-variant-numeric:tabular-nums;font-weight:700}.timer.warn{color:var(--err)}.toast{position:fixed;left:50%;bottom:100px;transform:translate(-50%);background:#1f2329eb;color:#fff;padding:10px 18px;border-radius:22px;font-size:14px;z-index:100;max-width:86%;text-align:center}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f141e73;z-index:60;display:flex;align-items:flex-start;justify-content:center;padding:20px;overflow-y:auto}.modal{background:#fff;border-radius:16px;padding:20px;width:100%;max-width:380px;margin:auto;max-height:calc(100vh - 40px);overflow-y:auto}.modal h3{margin:0 0 8px;font-size:16px}.modal .actions{display:flex;gap:10px;margin-top:16px}.modal .actions .btn{flex:1}@media(max-width:480px){.grid4{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:repeat(3,1fr)}}