:root{--ink:#14213d;--muted:#68758b;--line:#dce3ec;--paper:#fff;--bg:#f4f7fb;--navy:#153a66;--blue:#1769aa;--cyan:#dff4f2;--teal:#0d8b7d;--amber:#d98b18;--green:#16856f;--red:#b94f4f;--shadow:0 18px 50px rgba(31,55,89,.10);font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0;min-width:1100px;background:radial-gradient(circle at 12% 0,#e8f2fb 0,transparent 26%),var(--bg)}button,input,select{font:inherit}.topbar{height:82px;padding:0 34px;display:flex;align-items:center;gap:14px;background:#0f3158;color:white;border-bottom:1px solid rgba(255,255,255,.15)}.brand-mark{width:42px;height:42px;border:1px solid rgba(255,255,255,.35);display:grid;place-items:center;font:700 22px/1 serif;background:rgba(255,255,255,.08)}.topbar h1{font-size:21px;margin:3px 0 0;letter-spacing:.02em}.eyebrow{font-size:11px;letter-spacing:.17em;color:#b8d1e9}.top-actions{margin-left:auto;display:flex;gap:10px;align-items:center}.status-pill{font-size:12px;padding:7px 12px;border-radius:99px;background:rgba(65,193,166,.18);color:#9de5d5;border:1px solid rgba(157,229,213,.25)}.workspace{height:calc(100vh - 82px);display:grid;grid-template-columns:minmax(660px,1.35fr) minmax(440px,.85fr);overflow:hidden}.main-panel{padding:32px 38px 60px;overflow:auto}.flow-panel{border-left:1px solid var(--line);background:#f9fbfd;padding:28px 26px;overflow:auto}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.intro h2,.section-title h2,.flow-head h2{font:700 25px/1.25 "Microsoft YaHei UI",sans-serif;margin:7px 0}.intro p{color:var(--muted);margin:6px 0}.kicker,.step-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);font-weight:700}.progress-ring{width:76px;height:76px;border-radius:50%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:conic-gradient(var(--teal) var(--progress,0%),#dfe7ef 0);position:relative}.progress-ring:after{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--bg)}.progress-ring>*{z-index:1}.progress-ring strong{font-size:16px}.progress-ring span{font-size:10px;color:var(--muted)}.step-card{position:relative;display:grid;grid-template-columns:58px 1fr;background:var(--paper);border:1px solid var(--line);box-shadow:0 8px 24px rgba(32,54,86,.05);margin-bottom:15px}.step-card.active{border-top:3px solid var(--blue)}.step-card.muted{background:#fbfcfe}.step-index{border-right:1px solid var(--line);font:700 22px/1 Georgia,serif;color:var(--blue);display:flex;justify-content:center;padding-top:23px}.step-body{padding:20px 22px}.step-head,.section-title,.flow-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.step-head h3{margin:2px 0;font-size:18px}.button{border:0;padding:10px 15px;cursor:pointer;font-weight:700;font-size:13px}.button.primary{background:var(--blue);color:#fff}.button.ghost{background:transparent;border:1px solid rgba(255,255,255,.28);color:#fff}.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:17px}.chips.empty-state{display:block;padding:16px;border:1px dashed #cdd7e3;color:var(--muted);background:#f9fbfd}.chip{display:flex;align-items:center;gap:7px;padding:8px 9px;background:#eaf3fa;color:#173e65;border-left:3px solid var(--blue);font-size:13px}.chip button{border:0;background:transparent;color:#758398;cursor:pointer;font-size:16px}.counter{color:var(--muted);font-size:12px}.question-placeholder{margin-top:15px;color:var(--muted);padding:18px;background:#f6f8fb}.question-card{margin-top:16px}.question-context{font-size:12px;color:var(--muted);margin-bottom:7px}.question-card h4{font-size:18px;line-height:1.5;margin:0 0 5px}.question-help{color:var(--muted);font-size:13px;margin:0 0 14px}.option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.option{min-height:56px;text-align:left;border:1px solid #cfd9e5;background:white;padding:12px 14px;cursor:pointer;color:var(--ink);transition:.16s}.option:hover{border-color:var(--blue);box-shadow:0 5px 16px rgba(23,105,170,.10)}.option:before{content:"";display:inline-block;width:9px;height:9px;border:2px solid #96a5b7;border-radius:50%;margin-right:9px}.result-section{margin-top:30px}.section-title{border-bottom:1px solid var(--line);padding-bottom:13px}.section-title h2{font-size:21px;margin:3px 0}.section-title>span{font-size:12px;color:var(--muted)}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}.result-card{min-height:158px;background:var(--paper);padding:21px;border:1px solid var(--line);position:relative;overflow:hidden}.result-card:after{content:"";position:absolute;right:-24px;top:-24px;width:84px;height:84px;border-radius:50%;opacity:.35}.result-card.eia:after{background:#92c8ef}.result-card.permit:after{background:#8fd8cc}.result-card span{font-size:12px;color:var(--muted)}.result-card strong{display:block;margin:14px 0 8px;font:700 22px/1.3 serif;color:var(--navy)}.result-card p{font-size:12px;line-height:1.6;color:var(--muted);margin:0}.detail-results{margin-top:12px}.detail-row{display:grid;grid-template-columns:1.1fr .8fr .8fr;gap:10px;padding:10px 12px;border-bottom:1px solid var(--line);font-size:12px}.detail-row.header{font-weight:700;color:var(--muted);background:#eef3f7}.unsupported{color:var(--amber);font-weight:700}.flow-head h2{font-size:20px;margin:3px 0}.flow-head select{max-width:190px;border:1px solid var(--line);padding:8px;background:white}.legend{display:flex;gap:16px;margin:16px 0 12px;font-size:11px;color:var(--muted)}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}.dot.active{background:var(--green)}.dot.current{background:var(--amber)}.dot.idle{background:#b7c1cd}.flow-toolbar{height:40px;display:flex;align-items:center;border:1px solid var(--line);border-bottom:0;background:white}.flow-toolbar button{height:100%;border:0;border-right:1px solid var(--line);background:white;padding:0 10px;color:#42536a;cursor:pointer;font-size:11px}.flow-toolbar button:hover{background:#f2f6f9}.flow-toolbar .spacer{flex:1}.flow-toolbar>span{font-size:11px;color:var(--muted);padding:0 8px}.flow-viewport{height:510px;border:1px solid var(--line);background-color:#fff;background-image:linear-gradient(#eef2f6 1px,transparent 1px),linear-gradient(90deg,#eef2f6 1px,transparent 1px);background-size:20px 20px;overflow:auto}.flow-canvas{transform-origin:0 0;transition:transform .16s;min-width:100%;min-height:100%}.flow-canvas svg{display:block}.flow-empty{height:100%;display:grid;place-items:center;text-align:center;color:var(--muted);padding:40px}.mermaid-source{margin:0;max-height:510px;overflow:auto;border:1px solid var(--line);padding:16px;background:#172338;color:#dbe9f6;font-size:11px;line-height:1.6}.hidden{display:none}.rule-note{margin-top:14px;padding:14px 16px;border-left:3px solid var(--teal);background:#eaf6f4;font-size:12px}.rule-note code{display:block;margin:7px 0;color:#14665e}.rule-note p{color:var(--muted);margin:0;line-height:1.5}.picker-dialog{width:min(900px,88vw);height:min(720px,86vh);padding:0;border:0;box-shadow:var(--shadow)}.picker-dialog::backdrop{background:rgba(7,25,44,.55);backdrop-filter:blur(3px)}.dialog-shell{height:100%;display:flex;flex-direction:column}.dialog-head{display:flex;justify-content:space-between;padding:24px 26px 16px;border-bottom:1px solid var(--line)}.dialog-head h2{font-size:21px;margin:4px 0}.icon-button{border:0;background:transparent;font-size:28px;color:var(--muted);cursor:pointer}.search-box{margin:18px 26px 8px;border:1px solid #bccadd;display:flex;align-items:center;padding:0 14px}.search-box span{font-size:24px;color:var(--muted)}.search-box input{width:100%;border:0;outline:0;padding:13px;background:transparent}.picker-meta{display:flex;justify-content:space-between;padding:0 26px 12px;color:var(--muted);font-size:11px}.industry-list{overflow:auto;flex:1;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.industry-group{padding:15px 26px;border-bottom:1px solid #edf1f5}.group-title{display:flex;align-items:center;gap:10px;font-weight:700}.group-title code{font-size:15px;color:var(--blue)}.group-definition{font-size:11px;color:var(--muted);margin:5px 0 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.child-list{display:flex;flex-wrap:wrap;gap:7px}.child-code{border:1px solid #d2dbe5;background:#fff;padding:8px 10px;cursor:pointer;font-size:12px}.child-code:hover,.child-code.selected{border-color:var(--blue);background:#eaf4fb;color:var(--blue)}.rule-badge{font-size:9px;color:var(--green);border:1px solid #9bcfc6;padding:2px 5px;margin-left:5px}.no-rule-badge{font-size:9px;color:#8a95a3;margin-left:5px}.dialog-foot{display:flex;justify-content:space-between;align-items:center;padding:14px 26px;color:var(--muted);font-size:12px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#132c49;color:#fff;padding:10px 16px;opacity:0;pointer-events:none;transition:.2s;box-shadow:var(--shadow);font-size:12px}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1250px){.main-panel{padding:25px 25px 50px}.flow-panel{padding:24px 18px}.workspace{grid-template-columns:minmax(620px,1.25fr) minmax(420px,.75fr)}}