body.kid-take{padding-top:var(--p-topbar-height,var(--site-nav-height,56px))!important;background:#f3f6fb!important}.kt{--kt-blue:#1b6fe8;--kt-ink:#1e293b;--kt-muted:#64748b;--kt-line:#e8eef6;--kt-a:#7c5cfc;--kt-b:#ef6b73;--kt-c:#22a06b;--kt-d:#2bb3b0;min-height:100vh;color:var(--kt-ink);background:#f3f6fb;flex-direction:column;font-family:Be Vietnam Pro,Inter,Nunito,system-ui,sans-serif;display:flex}.kt *{box-sizing:border-box}.kt [hidden]{display:none!important}.kt-crumb{color:#334155;background:#fff;border-bottom:1px solid #e8eef6;align-items:center;gap:8px;min-width:0;height:44px;padding:0 20px;font-size:14px;font-weight:600;display:flex}.kt-crumb a{color:#2478c4;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;display:inline-flex}.kt-crumb a:hover{background:#e8f1fb}.kt-crumb em{opacity:.45;font-style:normal}.kt-crumb b{white-space:nowrap;text-overflow:ellipsis;font-weight:700;overflow:hidden}.kt-stage{flex:1;min-height:0}.kt-loading{text-align:center;color:var(--kt-muted);padding:80px 16px;font-weight:600}.kt-shell{grid-template-columns:220px minmax(0,1fr) 268px;align-items:start;gap:14px;max-width:1360px;margin:0 auto;padding:14px 16px 8px;display:grid}.kt.is-slim .kt-shell{grid-template-columns:52px minmax(0,1fr) 268px}.kt.is-slim .kt-nav .kt-h,.kt.is-slim .kt-leg,.kt.is-slim .kt-qnav{display:none}.kt.is-slim .kt-collapse span,.kt.is-slim .kt-collapse{width:100%;padding:10px;font-size:0}.kt.is-slim .kt-collapse svg{margin:0}.kt-nav,.kt-rail .kt-box,.kt-work .kt-qcard,.kt-hint{background:#fff;border:1px solid #eef2f7;border-radius:16px;box-shadow:0 1px 2px #0f172a0a}.kt-nav{padding:14px 12px 12px;position:sticky;top:70px}.kt-h{letter-spacing:.04em;color:#475569;margin-bottom:10px;font-size:11.5px;font-weight:800}.kt-leg{color:var(--kt-muted);grid-template-columns:1fr 1fr;gap:6px 8px;margin-bottom:12px;font-size:11.5px;display:grid}.kt-leg div,.kt-stats div{align-items:center;gap:6px;display:flex}.kt-leg i,.kt-stats i{border-radius:50%;flex-shrink:0;width:8px;height:8px}.kt-leg .is-ok,.kt-stats .is-ok{background:#22c55e}.kt-leg .is-on,.kt-stats .is-on{background:var(--kt-blue)}.kt-leg .is-wait,.kt-stats .is-wait{background:#cbd5e1}.kt-leg .is-bad{background:#ef4444}.kt-leg .is-flag,.kt-stats .is-flag{background:#f59e0b;border-radius:2px}.kt-qnav{grid-template-columns:repeat(3,40px);justify-content:start;gap:10px 12px;margin-bottom:14px;display:grid}.kt-qn{color:#64748b;cursor:pointer;background:#fff;border:1.6px solid #d7dee8;border-radius:50%;width:40px;height:40px;font-family:inherit;font-size:14px;font-weight:800;position:relative}.kt-qn.is-done{color:#16a34a;background:#fff;border-color:#22c55e}.kt-qn.is-done:after{content:"";background:#22c55e url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='white' d='M2.2 6.2 4.6 8.6 9.8 3.4 8.7 2.3 4.6 6.4 3.3 5.1z'/></svg>") 50%/10px no-repeat;border-radius:50%;width:14px;height:14px;position:absolute;bottom:-2px;right:-2px;box-shadow:0 0 0 2px #fff}.kt-qn.is-on{background:var(--kt-blue);border-color:var(--kt-blue);color:#fff}.kt-qn.is-flag:before{content:"";background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='%23f59e0b' d='M3 1.5h8.2l-1.5 3.4 1.5 3.4H3z'/><path fill='%23d97706' d='M3 1.5v13'/></svg>") 50%/contain no-repeat;width:12px;height:12px;position:absolute;top:-3px;right:-2px}.kt-collapse{color:#64748b;cursor:pointer;background:#fff;border:1px solid #e5eaf1;border-radius:12px;justify-content:center;align-items:center;gap:8px;width:100%;height:38px;font-family:inherit;font-size:13px;font-weight:700;display:inline-flex}.kt-collapse:hover{background:#f8fafc}.kt-work{flex-direction:column;gap:12px;min-width:0;display:flex}.kt-qhead{align-items:center;gap:10px;display:flex}.kt-qhead h2{letter-spacing:-.02em;margin:0;font-size:20px;font-weight:800}.kt-pt{height:22px;color:var(--kt-blue);background:#e8f1ff;border-radius:999px;align-items:center;padding:0 8px;font-size:12px;font-weight:700;display:inline-flex}.kt-flag{color:#94a3b8;cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;margin-left:auto;font-family:inherit;font-size:13.5px;font-weight:700;display:inline-flex}.kt-flag.is-on{color:#f59e0b}.kt-flag:hover{color:#64748b}.kt-qcard{padding:16px}.kt-qcard .kt-qhead{margin-bottom:12px}.kt-navbtns{margin-top:16px}.kt-stem{background:#eef6ff;border-radius:14px;grid-template-columns:1fr 120px;align-items:center;gap:10px;min-height:112px;margin-bottom:12px;padding:18px 16px;display:grid}.kt-stem p{color:#1e3a5f;margin:0;font-size:17px;font-weight:700;line-height:1.45}.kt-dino{object-fit:contain;justify-self:end;width:112px;height:112px}.kt-opts{flex-direction:column;gap:10px;display:flex}.kt-opt{cursor:pointer;color:#1e293b;background:#fff;border:1.5px solid #e7edf5;border-radius:14px;align-items:center;gap:12px;min-height:52px;padding:10px 14px;font-size:15px;font-weight:600;display:flex}.kt-opt:hover{border-color:#c9d8ee}.kt-opt.is-on{box-shadow:0 0 0 3px color-mix(in srgb, currentColor 12%, transparent);background:#f8fafc;border-color:currentColor}.kt-opt__k{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:13px;font-weight:800;display:inline-flex}.kt-opt[data-k=A]{--k:var(--kt-a)}.kt-opt[data-k=B]{--k:var(--kt-b)}.kt-opt[data-k=C]{--k:var(--kt-c)}.kt-opt[data-k=D]{--k:var(--kt-d)}.kt-opt .kt-opt__k{background:var(--k,#64748b)}.kt-opt.is-on{color:var(--k,var(--kt-blue))}.kt-fill{flex-wrap:wrap;align-items:center;gap:8px;font-weight:600;display:flex}.kt-fill input{height:42px;font:inherit;border:1.5px solid #dbe4f0;border-radius:12px;min-width:140px;padding:0 12px}.kt-navbtns{justify-content:space-between;gap:12px;display:flex}.kt-btn{cursor:pointer;border-radius:12px;height:42px;padding:0 18px;font-family:inherit;font-size:14px;font-weight:700}.kt-btn:disabled{opacity:.35;cursor:default}.kt-btn--ghost{color:var(--kt-blue);background:#fff;border:1.5px solid #cfe0f8}.kt-btn--blue{background:var(--kt-blue);color:#fff;border:0}.kt-hint{background:#fff8e6;border-color:#fde68a;align-items:center;gap:10px;padding:12px 14px;display:flex}.kt-hint p{color:#92400e;flex:1;margin:0;font-size:13.5px;font-weight:600}.kt-hint__star{font-size:18px}.kt-rail{flex-direction:column;gap:12px;display:flex;position:sticky;top:70px}.kt-box{padding:14px}.kt-time{color:var(--kt-blue);letter-spacing:-.03em;align-items:center;gap:8px;margin-bottom:8px;font-size:32px;font-weight:800;line-height:1;display:flex}.kt-time-sub{color:var(--kt-muted);margin:8px 0 0;font-size:12.5px}.kt-track{background:#e8eef6;border-radius:99px;height:6px;overflow:hidden}.kt-fill{background:var(--kt-blue);border-radius:inherit;width:0;height:100%}.kt-prog{margin:0 0 8px;font-size:22px;font-weight:800}.kt-stats{color:#475569;flex-direction:column;gap:7px;margin-top:12px;font-size:13px;display:flex}.kt-stats b{color:var(--kt-ink);margin-left:auto;font-weight:700}.kt-stats div{width:100%}.kt-tip{background:#e8fbf1;border-color:#c7f0d8;grid-template-columns:1fr 64px;align-items:center;gap:8px;display:grid}.kt-tip__k{letter-spacing:.04em;color:#15803d;margin-bottom:4px;font-size:11px;font-weight:800}.kt-tip p{color:#334155;margin:0;font-size:13px;line-height:1.4}.kt-tip img{object-fit:contain;width:64px;height:64px}.kt-submit{color:#fff;cursor:pointer;background:#ef4444;border:0;border-radius:12px;justify-content:center;align-items:center;gap:8px;height:46px;font-family:inherit;font-size:15px;font-weight:800;display:inline-flex;box-shadow:0 6px 14px #ef444438}.kt-submit:hover{filter:brightness(1.05)}.kt-submit:disabled{opacity:.55}.kt-submit-hint{text-align:center;color:var(--kt-muted);margin:0;font-size:12px;line-height:1.45}.kt-foot{text-align:center;color:#94a3b8;padding:6px 12px 14px;font-size:12px}.kt.is-low .kt-time{color:#dc2626}@media (width<=1100px){.kt-shell{grid-template-columns:200px minmax(0,1fr)}.kt-rail{flex-flow:wrap;grid-column:1/-1;position:static}.kt-rail .kt-box{flex:220px}}@media (width<=780px){.kt-crumb span,.kt-crumb em{display:none}.kt-shell,.kt.is-slim .kt-shell{grid-template-columns:1fr;padding:12px}.kt-nav,.kt-rail{position:static}.kt-stem{grid-template-columns:1fr 88px}.kt-dino{width:88px;height:88px}.kh-user__meta{display:none}}