:root{--paper:#f7f5ef;--ink:#253c32;--muted:#69756b;--copper:#a56643;--line:#dadfd5;--panel:#eeeee6}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 'Segoe UI','Microsoft YaHei',sans-serif}header{height:90px;border-bottom:1px solid var(--line);padding:0 6%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:14px;align-items:center;text-decoration:none;color:var(--ink);font-size:35px}.brand span{font-size:21px;font-weight:600}.brand small{display:block;font-size:11px;letter-spacing:1.5px;color:var(--muted)}.header-actions{display:flex;align-items:center;gap:12px}main{max-width:1420px;margin:auto;padding:45px 6% 80px}.intro{max-width:1000px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--copper)}h1{font-weight:500;font-size:clamp(32px,3.5vw,50px);line-height:1.2;letter-spacing:-1px;margin:24px 0}h2{font-size:30px;font-weight:500;margin:0 0 14px}h3{font-size:24px;font-weight:500}p{color:var(--muted);max-width:860px}.statusline{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0 32px}.statusline span,.tag{font-size:12px;letter-spacing:1px;border:1px solid var(--line);padding:5px 10px}.tag{color:var(--copper)}button,input,select,textarea{font:inherit}button{padding:10px 15px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}button:hover{border-color:var(--copper);color:var(--copper)}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--ink);color:white;border:0;padding:15px 25px}.primary:hover{background:var(--copper);color:white}.login-panel{display:grid;grid-template-columns:1.3fr 1fr;gap:60px;padding:35px;background:var(--panel);border:1px solid var(--line)}form label{display:block;margin:0 0 15px;font-size:14px}label>span{display:block;margin-bottom:7px}input,select,textarea{background:#fffdf7;width:100%;color:var(--ink);border:1px solid var(--line);padding:10px 12px;border-radius:0}textarea{resize:vertical;font-size:15px}input[type=checkbox]{width:auto}.small{font-size:14px;line-height:1.7}.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin:30px 0}.tabs button{border:0;border-bottom:2px solid transparent;padding:15px 18px;font-size:15px}.tabs button.active{border-color:var(--copper);color:var(--copper)}.workspace-grid{display:grid;grid-template-columns:minmax(300px,1fr) minmax(400px,1.25fr);gap:42px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.section-head h2{margin:0}.text-button{border:0;font-size:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.wide{grid-column:1/-1}details{border-top:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-size:15px;font-weight:600;margin-bottom:12px}.check{display:flex;gap:10px;align-items:flex-start}.run-button{width:100%;margin-top:20px}.results{border-left:1px solid var(--line);padding-left:34px}.empty{min-height:360px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:var(--panel);padding:35px}.empty>span{font-size:70px;color:var(--copper)}.empty p{font-size:15px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:25px 0}.metric{border-bottom:1px solid var(--line);padding-bottom:16px}.metric small{color:var(--muted);font-size:13px;display:block}.metric strong{font-size:30px;font-weight:500;display:block;line-height:1.4;margin-top:8px}.chart-select{display:flex;align-items:center;gap:15px;font-size:14px;max-width:350px;margin-top:30px}svg{display:block;width:100%;margin:20px 0}.legend{display:flex;gap:15px;flex-wrap:wrap;font-size:14px}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:10px;height:10px}.result-actions{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0}.result-actions button{font-size:13px}.evidence p{font-size:14px}.evidence a{color:var(--copper);font-size:14px}.run-picker{display:block;max-width:500px;margin:25px 0}.run-picker span{font-size:14px}#comparison{max-width:700px}.table-wrap{overflow-x:auto;margin:25px 0}table{width:100%;border-collapse:collapse;font-size:15px;text-align:left}td,th{padding:13px 15px;border-bottom:1px solid var(--line)}th{background:var(--panel);font-weight:500}.feedback-item{border-bottom:1px solid var(--line);padding:20px 0}.feedback-item p{white-space:pre-wrap;word-break:break-word}.feedback-item small{color:var(--muted)}#feedback{max-width:760px}#new-code{background:var(--panel);border:1px solid var(--copper);padding:20px;margin:25px 0;word-break:break-all}#new-code code{display:block;margin-top:10px;user-select:all}#message{min-height:25px;margin:15px 0;color:var(--copper);white-space:pre-wrap}footer{padding:25px 6%;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--copper);outline-offset:3px}@media(max-width:900px){.workspace-grid{grid-template-columns:1fr}.results{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:30px}.login-panel{grid-template-columns:1fr;gap:20px}.tabs{overflow:auto}.tabs button{white-space:nowrap}header{padding:0 5%;height:80px}.brand small{font-size:8px}main{padding:30px 5% 60px}.metrics{gap:12px}.metric strong{font-size:26px}.section-head{align-items:flex-start}.section-head>button{font-size:13px}}@media(max-width:500px){.form-grid{grid-template-columns:1fr}.wide{grid-column:auto}.header-actions{gap:6px;font-size:13px}.brand{gap:6px}.brand span{font-size:18px}.brand small{display:none}.intro h1{font-size:34px}.metrics{grid-template-columns:1fr 1fr}.login-panel{padding:22px}footer{gap:15px}}
 .legend i[data-color="#a56643"]{background:#a56643}.legend i[data-color="#253c32"]{background:#253c32}.legend i[data-color="#536f56"]{background:#536f56}.legend i[data-color="#a8a26c"]{background:#a8a26c}
 .saved-toolbar{display:flex;gap:16px;align-items:end;margin:0 0 30px}.saved-toolbar label{flex:1;max-width:650px;font-size:14px}.saved-toolbar button{white-space:nowrap}
fieldset{border:1px solid var(--line);padding:18px 20px;margin:15px 0 22px}legend{font-size:14px;padding:0 8px}.header-actions a{font-size:14px}a{color:inherit}

.legend svg{width:12px;height:12px;margin:0}

.model-introduction{margin:28px 0 35px;padding:0;border-top:1px solid #87988b}.model-introduction article{padding:20px 0;border-bottom:1px solid #dadfd5}.model-introduction h3{font-size:23px;margin:0 0 10px;color:#193d2c}.model-introduction p{font-size:18px;line-height:1.75;max-width:1050px;margin:0;color:#354f41}

.guild-guide{padding:24px 0}.guild-guide table,.module-detail table{font-size:17px;line-height:1.6}.guild-guide th,.module-detail th{color:#193d2c}.guild-guide td{min-width:160px}

.absorption-guide{border-top:1px solid #87988b;padding:30px 0}.absorption-guide article{margin:24px 0;padding:20px;border:1px solid #87988b}.absorption-guide p{max-width:1050px;font-size:18px;color:#354f41}.absorption-chart{max-width:800px;background:#fffdf7}.absorption-chart text{fill:#193d2c}.absorption-guide .high{border-left:6px solid #9b3024}

.parameter-evidence{padding:30px 0;border-top:1px solid #87988b}.parameter-evidence table{font-size:16px;line-height:1.65}.parameter-evidence td{min-width:185px;vertical-align:top}.parameter-evidence td:last-child{min-width:280px}.parameter-evidence p{max-width:1100px}.parameter-evidence .module-reference{padding:15px 0;border-bottom:1px solid #dadfd5}

.intestinal-design{margin:25px 0;padding:24px;border:1px solid #87988b;background:#fffdf7}.intestinal-design h3{font-size:25px;margin:0 0 15px}.intestinal-design h4{font-size:18px;color:#193d2c}.intestinal-design p{font-size:18px;max-width:1100px;color:#354f41}.intestinal-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.intestinal-steps article{border-top:2px solid #63786a}.intestinal-design .small{font-size:14px}@media(max-width:700px){.intestinal-steps{grid-template-columns:1fr}}

.dough-chain{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:20px 0}.dough-chain button{font-size:17px}.dough-chain span{padding:12px;background:#eee5db;color:#513d2c}.dough-controls{display:flex;gap:20px;align-items:center}.dough-controls label{flex:1}.dough-controls input{width:100%}.dough-plot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.dough-plot-grid article{padding:16px;border:1px solid #bdc8bc}.dough-plot-grid svg{width:100%}.dough-plot-grid h4{margin:0 0 10px}@media(max-width:700px){.dough-plot-grid{grid-template-columns:1fr}}