:root{color-scheme:light;font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif;background:#f3f5f0;color:#17211b}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}.shell{min-height:100vh;padding:24px}.workspace{display:grid;grid-template-columns:360px minmax(0,1fr);gap:18px;max-width:1440px;margin:0 auto}.panel,.step,.summary-bar,.empty,.error{background:#fff;border:1px solid #d8ded6;border-radius:8px;box-shadow:0 10px 30px #202c220f}.controls{padding:18px;align-self:start;position:sticky;top:18px}.brand{display:flex;gap:12px;align-items:center;padding-bottom:16px;border-bottom:1px solid #e4e8e1}.brand h1{margin:0;font-size:22px;line-height:1.2}.brand p,.summary-bar span,.section-title span,.stat-card small,.material span,.step header p{margin:0;color:#607064;font-size:13px}.field{margin-top:18px}.field>label{display:block;font-weight:700;margin-bottom:8px}input{width:100%;border:1px solid #cdd5ca;border-radius:6px;padding:9px 10px;background:#fbfcfa}.segmented{display:grid;grid-template-columns:1fr 1fr;border:1px solid #cbd5c8;border-radius:6px;overflow:hidden}.segmented button,.priority-row button,.icon-button{border:0;background:transparent;cursor:pointer}.segmented button{padding:10px;color:#435247}.segmented button.active{background:#1e5e4b;color:#fff;font-weight:700}.priority-list{display:grid;gap:8px}.priority-row{display:grid;grid-template-columns:34px 1fr 32px 32px;align-items:center;gap:6px;border:1px solid #dce2d9;border-radius:6px;padding:7px}.rank{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#e8efe9;color:#255342;font-weight:800}.stat-grid,.final-grid,.material-grid{display:grid;gap:10px}.stat-grid{grid-template-columns:repeat(2,1fr)}.number-field span{display:block;color:#506057;font-size:12px;margin-bottom:4px}.actions{display:flex;gap:10px;margin-top:18px}.primary,.icon-button{border-radius:6px;min-height:42px}.primary{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;color:#fff;background:#1c5d4c;font-weight:800;cursor:pointer}.primary:disabled{opacity:.65;cursor:wait}.icon-button{width:46px;border:1px solid #ccd5cb;display:inline-grid;place-items:center}.results{display:grid;gap:16px}.summary-bar{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:12px;padding:14px 16px}.summary-bar div{display:grid;gap:4px}.empty,.error{padding:48px;text-align:center}.error{color:#8a2626;background:#fff8f7;border-color:#edc9c4}.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:16px 16px 0}.section-title h2{margin:0;font-size:18px}.final-grid{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));padding:16px}.stat-card{border:1px solid #dce2d9;border-radius:8px;padding:12px;display:grid;gap:6px;background:#fbfcfa}.stat-card span{color:#536158;font-size:13px}.stat-card strong{font-size:26px}.keypoints{padding:8px 16px 16px;display:grid;gap:8px}.keypoints p{margin:0;padding:10px 12px;border-radius:6px;background:#eef5ef}.timeline{display:grid;gap:14px}.step{padding:16px}.step header{display:grid;gap:8px;margin-bottom:12px}.step header div{display:flex;justify-content:space-between;gap:16px;align-items:baseline}.step header span{font-weight:900;color:#1c5d4c}.material-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.material{display:grid;gap:6px;border:1px solid #dde3da;border-radius:8px;padding:12px;background:#fbfcfa;min-height:86px}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:980px){.workspace{grid-template-columns:1fr}.controls{position:static}.summary-bar,.final-grid,.material-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.shell{padding:12px}.summary-bar,.final-grid,.material-grid,.stat-grid{grid-template-columns:1fr}.step header div{display:grid}}