:root{--ink:#20242e;--muted:#687080;--accent:#304edc;--line:#e5e8ef;--soft:#f5f7fc;--aside:266px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;background:#fff}button,input{font:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,a,input{outline-offset:4px}button{cursor:pointer}.top{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 36px;position:sticky;top:0;background:rgba(255,255,255,.97);z-index:30}.brand{font-weight:680;color:var(--ink);display:flex;align-items:center;gap:12px;letter-spacing:.01em}.mark{background:var(--accent);color:#fff;width:30px;height:32px;line-height:32px;text-align:center;border-radius:5px;font-size:18px}.top-note{font-size:12px;letter-spacing:.13em;color:var(--muted)}#menu{display:none}.shell{max-width:1440px;margin:auto;display:grid;grid-template-columns:var(--aside) minmax(0,1fr)}aside{position:sticky;top:72px;height:calc(100dvh - 72px);overflow:auto;border-right:1px solid var(--line);padding:26px 22px;background:#fcfcfe}.search span{font-size:13px;color:var(--muted);display:block;margin-bottom:6px}.search input{width:100%;border:1px solid #d9dfe9;border-radius:6px;padding:9px 10px;background:white;font-size:14px}nav{margin-top:25px}nav a{display:block;color:#545c6d;font-size:14px;padding:7px 11px;border-radius:5px;margin:3px 0}nav a:hover,nav a.active{color:var(--accent);background:#ebefff;text-decoration:none}.nav-title{font-size:12px;letter-spacing:.08em;color:#858c98;margin:25px 11px 7px}.side-bottom{margin-top:40px;border-top:1px solid var(--line);padding-top:16px;font-size:12px;color:#858c98}main{min-width:0;padding:42px clamp(24px,4.5vw,72px) 70px;max-width:1130px}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:650;margin-bottom:12px}h1{font-size:32px;line-height:1.45;letter-spacing:-.025em;margin:0 0 14px;font-weight:720}h2{font-size:21px;line-height:1.5;margin:36px 0 15px}h3{font-size:17px;line-height:1.6;margin:0 0 6px}p{margin:0 0 15px}.intro{color:var(--muted);max-width:740px}.meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:16px 0 24px}.pill{display:inline-block;font-size:12px;line-height:1.5;padding:3px 7px;border:1px solid #dbe1f3;border-radius:4px;color:#52618d;background:#f7f9ff}.paths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0 30px}.path{border:1px solid var(--line);border-radius:8px;padding:18px;display:block;color:inherit}.path:hover{border-color:#acb8ee;text-decoration:none}.path strong{display:block;font-size:16px}.path p{font-size:14px;line-height:1.7;color:var(--muted);margin:8px 0}.path small{font-size:12px;color:var(--accent)}.section-heading{display:flex;gap:16px;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:11px;margin-top:33px}.section-heading h2{margin:0}.section-heading span{font-size:13px;color:var(--muted)}.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px}.topic-row{display:flex;gap:13px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink);align-items:flex-start}.topic-row:hover{text-decoration:none;color:var(--accent)}.row-number{color:#939cab;font-size:12px;font-variant-numeric:tabular-nums;padding-top:4px;min-width:22px}.row-title{font-weight:550;font-size:16px;line-height:1.6}.row-desc{display:block;font-size:13px;color:var(--muted);line-height:1.7;margin-top:4px}.article{max-width:800px}.crumb{font-size:13px;color:var(--muted);margin-bottom:25px}.answer{border-left:3px solid var(--accent);padding:17px 22px;background:#f4f6fe;margin:25px 0 30px;line-height:1.95;font-size:17px}.answer .label{display:block;font-size:12px;font-weight:600;color:var(--accent);margin-bottom:6px;letter-spacing:.07em}.points{padding-left:23px}.points li{margin:10px 0;padding-left:3px}.example{background:#f7f8fa;border:1px solid var(--line);border-radius:6px;padding:19px 22px}.example p:last-child{margin:0}.note{padding:0 0 0 15px;border-left:3px solid #cad0dc;color:#555f70;font-size:15px}.source{font-size:13px;color:var(--muted);margin-top:32px}.source a{margin-left:6px}.article-foot{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:22px;margin-top:30px;font-size:14px}.article-foot a{max-width:47%}.footnote{color:#8a929e;font-size:12px;line-height:1.8;margin-top:38px;border-top:1px solid var(--line);padding-top:20px}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.88em;background:#edf0f7;border-radius:3px;padding:2px 4px;overflow-wrap:anywhere}pre{background:#182132;color:#e4ebfa;padding:20px;border-radius:6px;overflow:auto;font-size:14px;line-height:1.8}pre code{padding:0;background:transparent;color:inherit;overflow-wrap:normal}.results-info{font-size:14px;color:var(--muted)}.empty{padding:35px 0;color:var(--muted)}.route-steps{padding-left:24px}.route-steps li{padding:10px 0}.route-steps a{font-weight:550}.route-steps p{color:var(--muted);font-size:14px;margin:4px 0}.small-link{font-size:14px}.coverage{overflow:auto;margin-top:20px}table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.75}th,td{padding:14px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--soft);white-space:nowrap}td:first-child{min-width:100px;font-weight:600}.shade{display:none}
@media(min-width:1500px){main{padding-left:76px}}@media(max-width:1000px){.paths{grid-template-columns:1fr}.path{padding:14px 18px}.path p{margin:5px 0}.topic-list{grid-template-columns:1fr}h1{font-size:28px}:root{--aside:230px}}@media(max-width:720px){.top{height:62px;padding:0 18px}.brand{font-size:16px;gap:9px}.top-note{display:none}#menu{display:block;border:1px solid var(--line);background:#fff;border-radius:5px;font-size:14px;padding:5px 11px}.shell{display:block}aside{position:fixed;left:0;top:62px;width:min(86vw,305px);height:calc(100dvh - 62px);transform:translateX(-100%);z-index:40;transition:transform .15s;padding-top:22px}.menu-open aside{transform:none}.menu-open .shade{display:block;position:fixed;inset:62px 0 0;background:#18203966;border:0;z-index:35;width:100%}main{padding:28px 21px 50px}h1{font-size:27px}h2{font-size:20px}.answer{padding:15px 17px;font-size:16px}.example{padding:16px}.paths{gap:10px}.topic-row{padding:15px 0}.intro{font-size:15px}.crumb{margin-bottom:18px}.article-foot{font-size:13px}.coverage{margin-right:-4px}table{min-width:510px}.meta{gap:9px}.search input{font-size:16px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}aside{transition:none}}

.search-go{width:100%;font-size:14px;margin-top:8px;padding:6px 10px;border:1px solid #d9dfe9;border-radius:5px;background:white;color:#304edc}.search-go:hover{background:#ebefff}

.evidence{border:1px solid var(--line);border-radius:6px;padding:15px 18px;margin-top:20px;font-size:14px;color:#5b6474}.evidence>span{display:block;color:#425170;font-size:12px;font-weight:650;margin-bottom:6px}.evidence p{margin:0;line-height:1.9}.fill{margin-top:25px;background:#f8f9fc}.followups details{border-bottom:1px solid var(--line);padding:14px 0}.followups summary{cursor:pointer;font-size:16px;font-weight:550;line-height:1.7}.followups details p{margin:12px 0 5px;padding-left:18px;font-size:15px;line-height:1.95;color:#4d5768}.followups summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

/* Project answers: full prose first; supporting notes remain optional. */
.answer.complete-answer{background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);margin:20px 0 28px;padding:20px 24px;font-size:16px;line-height:1.95}
.complete-answer p{margin:0 0 18px}.complete-answer p:last-child{margin-bottom:0}.complete-answer .label{font-size:14px;margin-bottom:13px}
.answer-note,.case-label{font-size:14px;line-height:1.8;color:#5c6678;margin:12px 0 18px}
.followups .followup-answer p{padding-left:0;font-size:16px;color:var(--ink);margin:13px 0 8px}.followup-answer{padding-left:18px}
.supporting{border:1px solid var(--line);border-radius:6px;padding:17px 20px;margin-top:30px}.supporting>summary{cursor:pointer;font-weight:550;font-size:15px;color:#53617a}.supporting h3{margin-top:25px}.supporting .source{overflow-wrap:anywhere}.supporting>summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.case-study{padding:22px;background:#f5f7fc;border-radius:6px;margin:28px 0}.case-study h2{margin:0 0 12px;font-size:19px}.case-study p:last-child{margin-bottom:0}.case-label{border-left:3px solid #a6b4d1;padding-left:12px}
@media(max-width:720px){.answer.complete-answer{padding:17px 16px}.followup-answer{padding-left:0}.supporting{padding:15px}.case-study{padding:17px}.practice-article h1{font-size:25px}.practice-article p{overflow-wrap:anywhere}}