.ec2-app{--ec2-green: var(--green, #22c55e);--ec2-green-hover: var(--green-hover, #16a34a);--ec2-green-ink: #15803d;--ec2-green-light: var(--green-light, #dcfce7);--ec2-green-bg: var(--green-bg, #f0fdf4);--ec2-black: var(--black, #111111);--ec2-ink-2: #374151;--ec2-gray: var(--gray, #6b7280);--ec2-line: #e2e8e4;--ec2-rule: #e8eeea;--ec2-margin: #bfe9cf;--ec2-field-border: #cdd6d1;--ec2-paper: #ffffff;--ec2-desk: #f3f6f4;--ec2-soft: #f8faf9;--ec2-fill: #f6f8f7;--ec2-red: #dc2626;--ec2-red-bg: #fef2f2;--ec2-amber: #b45309;--ec2-amber-bg: #fffbeb;--ec2-radius: 16px;--ec2-radius-sm: 9px;--ec2-shadow: 0 1px 2px rgba(16, 24, 20, .05), 0 10px 28px rgba(16, 24, 20, .06);--ec2-ref-w: 9.5rem;--ec2-out-w: 13.5rem;--ec2-top: 88px;font-family:var(--font, "Plus Jakarta Sans", sans-serif);color:var(--ec2-black);max-width:1320px;margin:0 auto;padding:20px 16px 64px;line-height:1.5}.ec2-app *,.ec2-app *:before,.ec2-app *:after{box-sizing:border-box}.ec2-app h2,.ec2-app h3,.ec2-app h4,.ec2-app p{margin:0}.ec2-app button,.ec2-app input,.ec2-app select{font:inherit;color:inherit}.ec2-app :focus-visible{outline:2px solid var(--ec2-green-hover);outline-offset:2px}.ec2-visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.ec2-icon{flex:none;display:block}.ec2-app .ec2-eq--display,.ec2-app .ec2-figure-svg,.ec2-app .ec2-members ul,.ec2-app .ec2-model{scrollbar-width:thin;scrollbar-color:var(--ec2-field-border) transparent}.ec2-app ::-webkit-scrollbar{width:6px;height:6px}.ec2-app ::-webkit-scrollbar-thumb{background:var(--ec2-field-border);border-radius:3px}.ec2-app .ec2-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border:1px solid var(--ec2-line);border-radius:var(--ec2-radius-sm);background:var(--ec2-paper);font-size:13px;font-weight:600;line-height:1.2;cursor:pointer;transition:border-color .15s,color .15s,background .15s}.ec2-app .ec2-btn:hover{border-color:var(--ec2-green);color:var(--ec2-green-ink)}.ec2-app .ec2-btn--quiet{background:var(--ec2-soft)}.ec2-app .ec2-btn--primary{border-color:var(--ec2-green);background:var(--ec2-green);color:#fff}.ec2-app .ec2-btn--primary:hover{border-color:var(--ec2-green-hover);background:var(--ec2-green-hover);color:#fff}.ec2-app .ec2-btn:disabled{opacity:.55;cursor:default}.ec2-members ul{display:flex;gap:8px;margin:0 0 22px;padding:4px;list-style:none;overflow-x:auto;border:1px solid var(--ec2-line);border-radius:999px;background:var(--ec2-paper);box-shadow:var(--ec2-shadow);width:max-content;max-width:100%}.ec2-app .ec2-member{position:relative;display:inline-flex;align-items:center;gap:6px;padding:6px 12px 6px 9px;border:0;border-radius:999px;background:transparent;white-space:nowrap;cursor:pointer}.ec2-member svg{width:20px;height:20px}.ec2-app .ec2-member.is-active{background:var(--ec2-black);color:#fff}.ec2-member.is-active svg{color:var(--ec2-green)}.ec2-app .ec2-member:disabled{color:#9aa3a0;cursor:not-allowed}.ec2-member-name{font-size:13.5px;font-weight:700}.ec2-member-soon{padding:1px 6px;border-radius:999px;background:var(--ec2-soft);font-size:10px;font-weight:600}.ec2-bench{display:grid;gap:20px;align-items:start}@media (min-width: 1100px){.ec2-bench{grid-template-columns:440px minmax(0,1fr);gap:24px}.ec2-bench-side{position:sticky;top:calc(var(--ec2-top) + 8px)}}.ec2-bench-side{min-width:0}.ec2-inputs,.ec2-model,.ec2-result,.ec2-summary,.ec2-diagrams,.ec2-pdf,.ec2-refs{border:1px solid var(--ec2-line);border-radius:var(--ec2-radius);background:var(--ec2-paper);box-shadow:var(--ec2-shadow)}.ec2-inputs{min-width:0}.ec2-inputs-head{padding:20px 22px 14px;border-bottom:1px solid var(--ec2-line)}.ec2-inputs-title h2{font-size:21px;font-weight:800;letter-spacing:-.015em}.ec2-inputs-title p{margin-top:2px!important;font-size:13px;color:var(--ec2-gray)}.ec2-toolbar{display:flex;flex-wrap:wrap;gap:2px 4px;margin:10px 0 0 -8px}.ec2-app .ec2-tool{display:inline-flex;align-items:center;gap:6px;padding:6px 8px;border:0;border-radius:8px;background:transparent;color:var(--ec2-ink-2);font-size:12.5px;font-weight:600;cursor:pointer;transition:background .15s,color .15s}.ec2-app .ec2-tool:hover{background:var(--ec2-green-bg);color:var(--ec2-green-ink)}.ec2-tool .ec2-icon{color:var(--ec2-gray)}.ec2-tool:hover .ec2-icon{color:currentColor}.ec2-notice{margin-top:6px!important;font-size:12.5px;color:var(--ec2-green-ink)}.ec2-notice:empty{display:none}.ec2-form{counter-reset:ec2-step}.ec2-fgroup{counter-increment:ec2-step;border-top:1px solid var(--ec2-line)}.ec2-fgroup:first-child{border-top:0}.ec2-fgroup>summary{display:flex;align-items:center;gap:12px;padding:15px 22px;list-style:none;font-size:15px;font-weight:700;letter-spacing:-.005em;cursor:pointer;transition:background .15s}.ec2-fgroup>summary::-webkit-details-marker{display:none}.ec2-fgroup>summary:after{content:"";margin-left:auto;width:7px;height:7px;border-right:2px 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var(--ec2-line)}.ec2-drawing-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px;margin-bottom:10px}.ec2-drawing-head h3{font-size:14.5px;font-weight:700}.ec2-drawing-pick{margin-bottom:10px}.ec2-model .ec2-figure-svg svg{min-width:0;max-height:440px}.ec2-chips{display:flex;flex-wrap:wrap;gap:6px}.ec2-app .ec2-chips button{padding:5px 12px;border:1px solid var(--ec2-line);border-radius:999px;background:var(--ec2-paper);font-size:12.5px;font-weight:600;cursor:pointer;transition:border-color .15s,background .15s}.ec2-app .ec2-chips button:hover{border-color:#a9b6af}.ec2-app .ec2-chips button[aria-pressed=true]{border-color:var(--ec2-green);background:var(--ec2-green-bg);color:var(--ec2-green-ink)}.ec2-figure{margin:0}.ec2-figure-svg{overflow-x:auto}.ec2-figure-svg svg{display:block;width:100%;height:auto;min-width:520px;margin:0 auto}.ec2-figure 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