:root{--ink:#152e40;--muted:#60727f;--blue:#0078dc;--blue-deep:#0065bc;--red:#f3505b;--line:#dce5ea;--bg:#f5f8fa;--white:#fff;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);font-synthesis:none;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer}a{color:var(--blue-deep);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #76b9f5;outline-offset:4px}.skip{position:absolute;top:-60px;left:20px;background:white;padding:10px;z-index:10}.skip:focus{top:12px}.topbar{background:white;border-bottom:1px solid var(--line);padding:22px max(32px,calc((100vw - 1360px)/2));display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{color:var(--ink);display:flex;align-items:center;gap:12px;font-size:20px;font-weight:750;letter-spacing:-.4px}.brand:hover{text-decoration:none}.brand-dash{color:#7e8d97;padding:0 5px}.brand-mark{display:grid;grid-template-columns:9px 9px;gap:3px;transform:rotate(-9deg)}.brand-mark i{height:9px;border-radius:2px;background:var(--blue)}.brand-mark i:last-child{background:var(--red)}.top-meta{display:flex;gap:28px;align-items:center;font-size:13px}.research-label{letter-spacing:1.5px;font-size:11px;font-weight:700;color:#647984}.top-meta a{color:var(--ink)}main{max-width:1424px;margin:auto;padding:0 32px}.intro{display:flex;justify-content:space-between;align-items:center;gap:40px;margin:42px 0 25px}.eyebrow{font-size:11px;letter-spacing:1.6px;font-weight:750;color:#607b8e;margin:0 0 9px}h1{font-size:clamp(32px,3.2vw,46px);line-height:1.14;letter-spacing:-1.8px;margin:0;font-weight:700}.title-dot{color:var(--blue)}.lede{font-size:16px;line-height:1.6;color:var(--muted);max-width:680px;margin:13px 0 0}.intro-count{min-width:205px;display:grid;grid-template-columns:auto auto;column-gap:13px;align-items:center;color:var(--muted);font-size:13px}.intro-count strong{font-size:28px;color:var(--ink);font-weight:550;line-height:1.5}.count-rule{height:1px;background:var(--line);grid-column:1/-1;margin:5px 0}.guidance{border:1px solid #cddfec;border-left:3px solid var(--blue);background:#edf6fc;border-radius:6px;margin-bottom:30px}.guidance summary{padding:15px 19px;cursor:pointer;font-size:14px;font-weight:650}.timing-tag{font-weight:400;color:#527189;margin-left:15px;font-size:12px}.guidance-body{padding:0 20px 15px;display:grid;grid-template-columns:1.35fr 1fr;gap:32px}.guidance p{font-size:13px;line-height:1.6;color:#466176;margin:0}.workspace{display:grid;grid-template-columns:210px minmax(360px,1fr) 315px;gap:25px;align-items:start;scroll-margin-top:24px}.nav-label{font-size:11px;letter-spacing:1.4px;font-weight:700;color:#77909e;margin:5px 12px 18px}#section-links{display:flex;flex-direction:column;gap:5px}.section-link{border:0;background:transparent;color:#566b79;width:100%;display:grid;grid-template-columns:23px 1fr auto;align-items:start;gap:8px;text-align:left;padding:13px 10px;border-radius:5px;font-size:14px;line-height:1.5}.section-link:hover{background:#e9f0f5}.section-link[aria-current=step]{background:#dfedfa;color:#006abf;font-weight:650}.section-link .step-index{font-size:11px;padding-top:2px;color:#7890a0;font-variant-numeric:tabular-nums}.section-link .step-count{font-size:11px;color:#708799;padding-top:2px}.section-link.done .step-count{color:#137a63}.nav-note{display:flex;gap:8px;margin:28px 10px;color:#718593}.nav-note p{font-size:12px;line-height:1.6;margin:0}.lock-icon{color:#158673}#classifier-form{background:white;border:1px solid var(--line);border-radius:8px;padding:26px 27px;min-width:0}.form-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.form-heading h2{margin:0;font-size:23px;font-weight:650;letter-spacing:-.6px}.form-heading .eyebrow{font-size:10px}.section-complete{font-size:12px;color:#688193;background:#f1f5f8;padding:5px 9px;border-radius:5px;white-space:nowrap}.section-description{color:var(--muted);font-size:13px;line-height:1.6;margin:12px 0 25px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px;row-gap:22px}.field{min-width:0}.field label{display:block;font-size:14px;font-weight:550;line-height:1.5;margin-bottom:8px}.field .unit{font-size:12px;font-weight:400;color:#6f828e;margin-left:4px;white-space:nowrap}.field input,.field select{width:100%;min-width:0;border:1px solid #cbd7df;border-radius:5px;padding:11px 12px;background:#fff;color:var(--ink);height:45px;transition:border-color .15s,box-shadow .15s}.field input::placeholder{color:#a0adb5;font-size:13px}.field input:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px #e2f1ff}.field select:has(option:checked[value=""]){color:#8a9eab}.field select option{color:var(--ink)}.field input[aria-invalid=true],.field select[aria-invalid=true]{border-color:#cd3848;background:#fff9f9}.field-help{font-size:12px;line-height:1.5;color:#718490;margin:7px 0 0}.field-error{font-size:12px;line-height:1.4;color:#bd3041;margin:6px 0 0}.field-error:empty{display:none}.step-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid #e6ecf0;margin-top:30px;padding-top:20px}.text-button{border:0;padding:9px 0;background:none;color:#647d8c;font-size:13px}.text-button:disabled{visibility:hidden}.next-button{padding:10px 14px;border:1px solid #d4e1ec;color:#006fc5;border-radius:5px;background:#f8fbfe;font-size:13px;font-weight:600;display:flex;align-items:center;gap:16px}.next-button:hover{background:#e8f4ff}.result-column{position:sticky;top:24px}.result-card{background:white;border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:8px;padding:23px}.card-topline{display:flex;justify-content:space-between;gap:8px;align-items:center}.card-topline .eyebrow{font-size:10px;letter-spacing:1.3px;margin:0}.model-badge{font-size:9px;letter-spacing:.6px;color:#7192a6;background:#f0f6f9;border-radius:3px;padding:5px 6px;white-space:nowrap}#result-content{padding:26px 0 28px;min-height:219px}#result-content h2{font-size:23px;font-weight:650;letter-spacing:-.6px;margin:15px 0 10px}#result-content p{font-size:14px;line-height:1.6;margin:0;color:var(--muted)}.cluster-symbol{display:flex;gap:7px}.cluster-symbol span{width:28px;height:28px;border-radius:50%;background:#d4eafb}.cluster-symbol span:last-child{background:#ffdfe1}.result-status{font-size:10px;color:#49748e;letter-spacing:1.1px;margin-top:14px}.result-number{font-size:56px;line-height:1;font-weight:550;letter-spacing:-3px;margin-top:11px;color:var(--blue)}.result-number.c2{color:#df3c4c}#result-content .result-heading{font-size:14px;color:var(--muted);margin:5px 0 16px;font-weight:400;letter-spacing:0}.progress-label{display:flex;justify-content:space-between;font-size:11px;color:#69818f;gap:8px;font-variant-numeric:tabular-nums}progress{appearance:none;display:block;width:100%;height:5px;border:0;border-radius:4px;margin:10px 0 20px;background:#eaf0f4}progress::-webkit-progress-bar{background:#eaf0f4;border-radius:4px}progress::-webkit-progress-value{background:var(--blue);border-radius:4px}progress::-moz-progress-bar{background:var(--blue);border-radius:4px}.classify-button{width:100%;border:0;border-radius:5px;display:flex;align-items:center;justify-content:space-between;background:var(--blue);color:white;font-size:14px;font-weight:650;padding:14px 17px;box-shadow:0 3px 5px #0069c318}.classify-button:hover{background:#0067c1}.classify-button:disabled{opacity:.6;cursor:wait}.reset-button{display:block;border:0;background:transparent;color:#6b828f;font-size:12px;margin:15px auto 0;padding:5px}.reset-button:hover{color:var(--ink);text-decoration:underline}.form-error{font-size:12px;line-height:1.5;color:#b62f41;margin:12px 0 0}.form-error:empty{display:none}.research-note{font-size:12px;line-height:1.6;color:#708590;margin:17px 4px}.cluster-key{display:flex;gap:22px;border-top:1px solid var(--line);padding-top:17px;margin:22px 4px 0;color:#6c8290;font-size:11px}.cluster-key span{display:flex;align-items:center;gap:6px}.cluster-key i{height:6px;width:6px;border-radius:50%;background:var(--blue)}.cluster-key i.c2{background:var(--red)}.about{margin:36px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.about summary{cursor:pointer;font-size:14px;font-weight:600;padding:22px 0;list-style:none;display:flex;justify-content:space-between}.about summary::-webkit-details-marker{display:none}.about summary span{font-size:20px;font-weight:400;color:#7c95a4}.about[open] summary span{transform:rotate(45deg)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px;padding-bottom:20px}.about h3{font-size:14px;font-weight:600;margin:0 0 10px}.about p{font-size:13px;line-height:1.7;color:#607887;margin:0 0 10px}.about .reference{font-size:12px;padding-bottom:15px;max-width:1000px}footer{display:flex;justify-content:space-between;gap:20px;color:#7e94a1;padding:23px 0 30px;font-size:10px;letter-spacing:.6px}.footer-separator{padding:0 10px;color:#c1ccd4}.no-script{position:fixed;inset:30% 15% auto;background:white;border:2px solid #dc3444;padding:30px;z-index:10}.finished-hint{padding:16px;background:#eff7fd;border-radius:5px;font-size:13px;color:#43738f;line-height:1.6;margin-top:24px}
@media(min-width:1550px){.intro{margin-top:50px}.workspace{gap:30px;grid-template-columns:220px minmax(400px,1fr) 335px}#classifier-form{padding:30px}.field-grid{row-gap:24px}.result-card{padding:26px}}
@media(max-width:1150px){.workspace{grid-template-columns:170px minmax(300px,1fr) 270px;gap:18px}main{padding:0 24px}.section-link{grid-template-columns:20px 1fr;gap:5px;font-size:13px}.section-link .step-count{grid-column:2}.result-card{padding:19px}#classifier-form{padding:23px}.field-grid{grid-template-columns:1fr}.intro-count{min-width:165px}.card-topline{align-items:start;flex-direction:column}.guidance-body{gap:25px}}
@media(max-width:900px){.workspace{grid-template-columns:minmax(0,1fr) 290px;gap:20px}.section-nav{grid-column:1/-1}.nav-label,.nav-note{display:none}#section-links{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.section-link{display:flex;align-items:center;gap:7px;border:1px solid var(--line);height:100%;padding:10px;font-size:12px}.section-link .step-index{font-size:10px}.section-link .step-count{display:none}.result-column{top:15px}.intro{margin-top:30px}.intro-count{display:none}.guidance-body{grid-template-columns:1fr;gap:10px}.field-grid{grid-template-columns:1fr}.topbar{padding:20px 24px}}
@media(max-width:620px){main{padding:0 18px}.topbar{padding:18px;gap:10px}.brand{font-size:17px}.top-meta{gap:8px;font-size:11px}.research-label{display:none}.intro{margin:28px 0 20px}.lede{font-size:14px}.eyebrow{font-size:10px}h1{font-size:34px;letter-spacing:-1.3px}.guidance summary{padding:13px 14px}.timing-tag{display:block;margin:7px 0 0 18px}.guidance-body{padding:0 14px 13px}.guidance p{font-size:12px}.guidance{margin-bottom:20px}.workspace{grid-template-columns:1fr;gap:18px}#section-links{grid-template-columns:repeat(2,1fr)}.section-link{font-size:12px}.section-nav{grid-column:auto}#classifier-form{padding:22px}.form-heading h2{font-size:22px}.field-grid{grid-template-columns:1fr}.field input,.field select{font-size:16px}.result-column{position:static}.card-topline{flex-direction:row}.result-card{padding:23px}#result-content{min-height:0;padding-bottom:24px}.about{margin-top:28px}.about-grid{grid-template-columns:1fr;gap:20px}.about summary{font-size:13px}footer{flex-direction:column;gap:9px;font-size:9px}.step-actions{gap:9px}.next-button{gap:10px}.guidance-body strong{font-weight:600}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}