:root{--ink:#172018;--paper:#f5f2e9;--panel:#fffdf7;--line:#d9d4c6;--green:#185f48;--lime:#d9f24f;--orange:#ee6c38;--muted:#6f756f;--shadow:0 14px 36px rgba(22,31,24,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.6}.topbar{height:68px;border-bottom:1px solid var(--ink);display:flex;align-items:center;padding:0 3vw;background:var(--paper);position:sticky;top:0;z-index:10}.brand{font-family:Arial Black,sans-serif;font-size:19px;color:var(--ink);text-decoration:none;letter-spacing:-1px}.brand span{color:var(--green)}.top-note{margin:auto;font-size:13px;letter-spacing:.12em}.admin-link{font-weight:700;color:var(--ink);text-decoration:none;font-size:13px}.page-grid{display:grid;grid-template-columns:minmax(220px,1fr) minmax(480px,2.5fr) minmax(220px,1fr);gap:22px;max-width:1500px;margin:0 auto;padding:30px 28px 70px}.side-column{display:flex;flex-direction:column;gap:18px}.panel{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);padding:24px}.eyebrow{font-size:10px;font-weight:900;letter-spacing:.22em;color:var(--green);margin-bottom:7px}.panel h1,.panel h2,.section-heading h1,.section-heading h2,.admin-title-row h1{font-family:Georgia,"Songti SC",serif;margin:0;line-height:1.15}.panel h2{font-size:25px}.muted{color:var(--muted);font-size:13px}.tab-row{display:flex;border-bottom:1px solid var(--line);margin:22px 0 16px}.tab{border:0;background:none;padding:8px 18px 8px 0;margin-right:20px;font-weight:700;color:var(--muted);cursor:pointer}.tab.active{color:var(--ink);border-bottom:3px solid var(--orange)}.tab-panel{display:none}.tab-panel.active{display:flex}.account-form{flex-direction:column;gap:12px}.account-form label,.assessment-fields label{font-size:12px;font-weight:700;display:flex;flex-direction:column;gap:5px}.account-form small{font-weight:400;color:var(--muted)}input,select{width:100%;border:1px solid var(--line);background:white;padding:10px 11px;font:inherit;color:var(--ink);border-radius:0}input:focus,select:focus,.rich-editor:focus{outline:2px solid rgba(24,95,72,.25);border-color:var(--green)}.primary-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--ink);background:var(--ink);color:white;padding:11px 18px;font-weight:800;text-decoration:none;cursor:pointer;transition:.15s}.primary-button:hover{background:var(--green)}.primary-button:disabled{opacity:.35;cursor:not-allowed}.text-button{background:none;border:0;padding:0;color:var(--green);font-weight:800;cursor:pointer}.welcome-panel{text-align:center}.avatar{width:58px;height:58px;border-radius:50%;background:var(--lime);display:grid;place-items:center;margin:16px auto 12px;font:900 25px Georgia}.welcome-panel p,.notice-panel p{color:var(--muted);font-size:13px}.steps{padding:0;margin:18px 0 0;list-style:none}.steps li{padding:12px 0;border-top:1px solid var(--line);font-size:13px;font-weight:700}.steps span{font-size:10px;color:var(--orange);margin-right:12px}.center-column{min-width:0}.flash{padding:12px 16px;margin-bottom:14px;border:1px solid}.flash.success{background:#e8f4df;border-color:#aac691}.flash.error{background:#fff0ec;border-color:#e8aa97}.composer{padding:30px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px}.section-heading h1{font-size:38px}.section-heading h2{font-size:29px}.login-hint,.count{font-size:11px;font-weight:800;padding:5px 9px;border:1px solid var(--line);white-space:nowrap}.rich-form{margin-top:22px}.editor-toolbar{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);border-bottom:0;background:#f3f0e7;padding:5px}.editor-toolbar button{min-width:36px;border:0;border-right:1px solid var(--line);padding:7px 10px;background:transparent;cursor:pointer}.editor-toolbar button:hover{background:white}.rich-editor{min-height:190px;padding:18px;border:1px solid var(--line);background:white;overflow:auto}.rich-editor.small{min-height:90px}.rich-editor:empty:before{content:attr(data-placeholder);color:#9a9d97;pointer-events:none}.composer-footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px;color:var(--muted);font-size:11px}.message-section{margin-top:36px}.list-heading{padding-bottom:15px;border-bottom:2px solid var(--ink)}.message-card{background:var(--panel);border-bottom:1px solid var(--ink);padding:25px 22px}.message-meta{display:flex;align-items:center;gap:11px}.message-meta>div:nth-child(2),.message-meta>div:first-child:not(.user-mark){display:flex;flex-direction:column}.message-meta time{display:block;font-size:10px;color:var(--muted)}.user-mark{width:34px;height:34px;background:var(--green);color:white;display:grid;place-items:center;font-weight:900}.status{margin-left:auto;border:1px solid;padding:3px 9px;font-size:10px;font-weight:900}.status-quoted,.status-in_progress{background:var(--lime)}.status-completed{background:#dceee5}.status-rejected{color:#8b4430}.rich-content{font-size:14px;overflow-wrap:anywhere}.message-card>.rich-content{padding:18px 0}.rich-content p{margin:.5em 0}.rich-content a{color:var(--green)}.inline-assessment{display:flex;gap:10px;margin-bottom:14px}.inline-assessment span{background:#f0eee5;border-left:3px solid var(--orange);padding:6px 10px;font-size:12px}.reply{background:#edf2eb;border-left:3px solid var(--green);padding:13px 16px;margin-top:10px}.reply-label{font-size:10px;letter-spacing:.08em;font-weight:900;color:var(--green)}.reply-label time{float:right;font-weight:400}.empty-state,.admin-empty{padding:35px;text-align:center;color:var(--muted);border-bottom:1px solid var(--line)}.quote-item{padding:17px 0;border-bottom:1px solid var(--line)}.quote-title{font-size:11px;font-weight:900}.quote-item dl{margin:7px 0 0}.quote-item dl div{display:flex;justify-content:space-between;align-items:baseline}.quote-item dt{font-size:11px;color:var(--muted)}.quote-item dd{margin:0;font-weight:800}.quote-item .price{color:var(--orange);font-size:17px}.quote-empty{color:var(--muted);font-size:12px;padding-top:15px}.notice-panel{border-top:4px solid var(--lime)}
.admin-shell{max-width:1380px;margin:auto;padding:35px 28px 80px}.admin-login{max-width:430px;margin:8vh auto}.admin-login h1{font-size:38px}.admin-title-row{display:flex;justify-content:space-between;align-items:end;margin-bottom:25px}.admin-title-row h1{font-size:42px}.admin-grid{display:grid;grid-template-columns:330px 1fr;gap:24px;align-items:start}.user-list-panel{position:sticky;top:92px;max-height:calc(100vh - 120px);overflow:auto}.user-row{display:flex;gap:11px;padding:13px 0;border-bottom:1px solid var(--line)}.user-row>div:last-child{display:flex;flex-direction:column;font-size:11px}.user-row strong{font-size:14px}.user-row time{color:var(--muted)}.admin-message-list{display:flex;flex-direction:column;gap:16px}.admin-message-list>.section-heading{margin-bottom:3px}.admin-message{padding:24px;scroll-margin-top:85px}.requirement-preview{background:#f5f3ec;padding:14px;margin:16px 0}.reply.compact{margin:8px 0}.assessment-form{border-top:1px solid var(--line);padding-top:18px}.assessment-fields{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:12px;margin-bottom:13px}.save-button{margin-top:12px;margin-left:auto;display:flex}.error-page{max-width:550px;margin:15vh auto}.error-page h1{font-size:38px}.error-page .primary-button{margin-top:20px}
@media(max-width:1050px){.page-grid{grid-template-columns:230px 1fr}.right-column{grid-column:1/-1;display:grid;grid-template-columns:2fr 1fr}.admin-grid{grid-template-columns:260px 1fr}.assessment-fields{grid-template-columns:1fr}}
@media(max-width:760px){.top-note{display:none}.page-grid{display:flex;flex-direction:column;padding:18px 14px}.center-column{order:1}.left-column{order:2}.right-column{order:3;display:flex}.composer{padding:20px}.section-heading h1{font-size:30px}.message-card{padding:20px 12px}.admin-shell{padding:24px 14px}.admin-grid{display:flex;flex-direction:column}.user-list-panel{position:static;max-height:none;width:100%}.assessment-fields{grid-template-columns:1fr}.topbar{padding:0 16px}.admin-link{font-size:11px}}