.support-toggle{display:flex;gap:8px;align-items:center;font-weight:800;padding:10px 0}.wm-layout{display:grid;grid-template-columns:300px 1fr;gap:18px}.wm-panel ol{margin:0;padding-left:22px;color:#4f6175;line-height:1.55}.wm-panel li{margin:8px 0}.wm-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:16px}.wm-stats>div{border:1px solid var(--line);border-radius:11px;padding:8px;text-align:center;background:#f8fafc}.wm-stats b{display:block;font-size:20px;color:#173a59}.wm-stats span{font-size:11px;color:var(--muted)}.wm-task{min-height:620px}.wm-stage{flex:1;padding:16px 0}.wm-expression{text-align:center;margin:2px 0 14px}.wm-expression .problem{font-size:clamp(30px,5vw,50px);font-weight:900;color:#173a59}.wm-expression .instruction{color:var(--muted);margin-top:6px}.sign-choice{display:flex;gap:8px;justify-content:center;align-items:center;margin:12px 0}.sign-choice span{font-weight:800;color:#4f6175}.sign-btn2{width:52px;height:44px;border:2px solid #b9c8d7;background:#fff;border-radius:11px;font-size:22px;font-weight:900}.sign-btn2.selected{border-color:var(--primary);background:#eaf3fc;color:#174a7a}.paper{width:min(620px,100%);margin:12px auto;background:#fbfdff;border:1px solid var(--line);border-radius:16px;padding:16px}.paper-head{text-align:center;color:#53657a;font-size:13px;margin-bottom:10px}.written{width:max-content;max-width:100%;margin:auto;font-family:"Courier New",monospace;font-weight:900;font-size:25px}.written-line{display:grid;grid-template-columns:32px minmax(170px,250px);align-items:center;gap:8px;min-height:42px}.written-num{text-align:right;letter-spacing:.12em}.written-rule{border-top:3px solid #2c4052;margin:2px 0 7px}.partial-row{display:grid;grid-template-columns:145px minmax(170px,250px);align-items:center;gap:10px;margin:7px auto;max-width:440px}.partial-row label{font-size:13px;color:#5b6c80;text-align:right}.partial-row input,.raw-row input,.final-row input,.decimal-row input{border:2px solid #b9c8d7;border-radius:10px;padding:9px 10px;text-align:center;font-weight:850;background:#fff}.partial-row input{width:100%;font-family:"Courier New",monospace;font-size:20px}.raw-row,.decimal-row,.final-row{display:flex;gap:9px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:12px}.raw-row input{width:180px;font-size:20px;font-family:"Courier New",monospace}.decimal-row input{width:76px}.final-row input{width:190px;font-size:23px}.wm-check{display:flex;justify-content:center;margin-top:15px}.check-btn{min-width:170px}.field-ok{background:var(--softgood)!important;border-color:#75b593!important}.field-bad{background:var(--softbad)!important;border-color:#d6918b!important}.wm-help{display:none;max-width:720px;margin:12px auto;background:#fff8e7;border:1px solid #efd28d;border-radius:12px;padding:11px 13px;color:#665214;line-height:1.45}.wm-help.show{display:block}.method-summary{display:flex;gap:7px;flex-wrap:wrap;justify-content:center;margin:10px 0}.method-summary span{background:#eef5fb;border-radius:999px;padding:6px 9px;font-size:12px;font-weight:800;color:#315d86}@media(max-width:860px){.wm-layout{grid-template-columns:1fr}.wm-panel{order:2}.wm-task{order:1;min-height:auto}}@media(max-width:560px){.partial-row{grid-template-columns:1fr}.partial-row label{text-align:left}.paper{padding:12px 9px}.written{font-size:22px}}