:root{--bg:#f6f8fb;--panel:#fff;--text:#1e293b;--muted:#718096;--line:#e5eaf0;--sidebar:#101b2d;--sidebar2:#1e3049;--brand:#2563eb;--shadow:0 4px 16px rgba(15,23,42,.04)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font:14px Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif}button,input,select,textarea{font:inherit}a{text-decoration:none;color:inherit}.sidebar{width:230px;position:fixed;inset:0 auto 0 0;background:var(--sidebar);color:#dbe3ef;padding:18px 12px;display:flex;flex-direction:column;overflow:auto}.brand{display:flex;align-items:center;gap:10px;padding:8px 10px 20px}.brand strong{color:#fff;font-size:16px}.brand small{display:block;color:#94a3b8;font-size:11px;margin-top:3px}.logo,.login-logo{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;color:#fff;font-weight:800;background:linear-gradient(135deg,#3b82f6,#7c3aed)}.nav-label{padding:12px 10px 6px;color:#64748b;text-transform:uppercase;letter-spacing:.08em;font-size:11px}.nav a{display:block;color:#bac7d8;border-radius:9px;margin:2px 0;padding:10px 12px}.nav a:hover,.nav a.active{background:var(--sidebar2);color:#fff}.sidebar-bottom{margin-top:auto;border-top:1px solid #2b3b51;padding:14px 10px;display:flex;align-items:center;justify-content:space-between;gap:6px;font-size:12px}.sidebar-bottom button{border:0;background:none;color:#a9c3fa;cursor:pointer}.main{margin-left:230px;min-height:100vh}.topbar{height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:10}.topbar>div{display:flex;align-items:center;gap:12px}.avatar{width:34px;height:34px;border-radius:50%;background:#e2e8f0;display:grid;place-items:center;font-weight:700}.preview-pill{background:#fff6d8;color:#8a5a00;border:1px solid #ffe399;padding:5px 9px;border-radius:99px;font-size:11px}.content{max-width:1500px;padding:26px;margin:auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.page-head h1{font-size:24px;margin:0 0 5px}.page-head p{color:var(--muted);margin:0}.back{display:block;color:var(--brand);font-size:12px;margin-bottom:9px}.card{background:var(--panel);border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow)}.section{padding:18px}.section h2{font-size:16px;margin:0 0 14px}.section h3{font-size:14px;margin:18px 0 8px}.btn{border:1px solid var(--line);border-radius:9px;background:#fff;color:#334155;padding:9px 13px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.btn:hover{background:#f8fafc}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:#1d4ed8}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.metric{padding:18px}.metric span{display:block;color:var(--muted);font-size:12px}.metric strong{display:block;font-size:28px;margin:7px 0 4px}.metric small{color:var(--muted);font-size:12px}.grid-two{display:grid;grid-template-columns:1.3fr .7fr;gap:16px}.flow{margin:0;padding-left:22px;color:#475569;line-height:2.3}.tip{padding:12px 14px;background:#f8fafc;border:1px solid var(--line);border-radius:10px;color:#64748b;font-size:12px;line-height:1.6}.muted{color:var(--muted)}.spaced{margin-top:16px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;text-align:left}th{padding:11px 14px;background:#fafbfc;color:#7c8797;text-transform:uppercase;letter-spacing:.03em;font-size:11px;white-space:nowrap;border-bottom:1px solid var(--line)}td{padding:13px 14px;border-bottom:1px solid #eef1f5;vertical-align:middle}tr:last-child td{border-bottom:0}.link{color:var(--brand);font-weight:600}.link:hover{text-decoration:underline}.empty{text-align:center;padding:36px;color:var(--muted)}.badge{display:inline-flex;align-items:center;border-radius:99px;padding:4px 8px;font-size:11px;font-weight:700;white-space:nowrap}.b-green{background:#ecfdf3;color:#15803d}.b-orange{background:#fff7ed;color:#c2410c}.b-blue{background:#eff6ff;color:#2563eb}.toolbar{display:flex;gap:9px;margin-bottom:14px}.search{width:min(460px,75vw);padding:10px 12px;border:1px solid var(--line);border-radius:9px}.editor{margin-top:16px;scroll-margin-top:80px}.editor>summary{list-style:none;cursor:pointer;font-weight:700;color:#334155}.editor>summary::before{content:'＋';margin-right:8px;color:var(--brand)}.editor[open]>summary{padding-bottom:15px;border-bottom:1px solid var(--line);margin-bottom:18px}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:flex;flex-direction:column;gap:6px;color:#64748b;font-size:12px}.field input,.field select,.field textarea,.stack input{border:1px solid #d7dfe9;background:#fff;border-radius:9px;padding:10px 11px;color:var(--text);width:100%;outline:none}.field input:focus,.field select:focus,.field textarea:focus,.stack input:focus{border-color:#75a3fa;box-shadow:0 0 0 3px #dbeafe}.field textarea{min-height:84px;resize:vertical}.field.full{grid-column:1/-1}.form-actions{display:flex;justify-content:flex-end;margin-top:18px}.profile-grid{display:grid;grid-template-columns:310px 1fr;gap:18px}.company-mark{width:54px;height:54px;border-radius:12px;background:#eaf2ff;color:#2563eb;display:grid;place-items:center;font-size:20px;font-weight:800;margin-bottom:14px}.kv{margin:14px 0}.kv div{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid #eef1f5}.kv span{color:var(--muted)}.kv b{text-align:right}.stack{display:flex;flex-direction:column;gap:16px}.line-item{border-top:1px solid var(--line);padding:12px 0;display:flex;flex-direction:column;gap:4px}.line-item:first-of-type{border-top:0}.line-item small{color:var(--muted)}.count{font-size:12px;color:var(--muted);font-weight:400}.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.quote-card{padding:15px}.quote-card .price{font-size:22px;font-weight:800;margin:10px 0}.quote-card small{color:var(--muted);line-height:1.8}.checks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:12px;background:#f8fafc;border-radius:9px}.checks label{font-size:12px;color:#475569}.sub-editor{padding:12px 0;border-top:1px solid var(--line)}.sub-editor summary{cursor:pointer;font-weight:600}.inline{display:inline;margin-left:12px}.link-button{color:#b91c1c;background:none;border:0;cursor:pointer;padding:0}.flash{padding:11px 14px;border-radius:8px;background:#e8f6ed;color:#166534;margin-bottom:16px}.flash.error{background:#fee2e2;color:#991b1b}.login-shell{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#dceafe,#f6f8fb 45%)}.login-card{width:min(430px,92vw);padding:32px}.login-logo{width:44px;height:44px;margin-bottom:22px}.login-card h1{font-size:23px;margin:0 0 5px}.login-card p{color:var(--muted);margin:0 0 24px}.login-card .stack{gap:15px}.login-card .stack label{font-size:12px;color:#64748b}.login-card .stack input{display:block;margin-top:6px}.login-card .btn{width:100%;margin-top:6px}.demo-help{font-size:11px;color:var(--muted);margin-top:22px;line-height:1.6}.demo-help code{background:#edf2f7;padding:2px 4px;border-radius:3px}
@media(max-width:1050px){.metrics{grid-template-columns:repeat(2,1fr)}.grid-two,.profile-grid{grid-template-columns:1fr}.quote-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.sidebar{position:static;width:auto;height:auto;padding:10px}.brand{padding:4px 10px}.nav-label,.sidebar-bottom{display:none}.nav{display:flex;overflow:auto}.nav a{white-space:nowrap}.main{margin-left:0}.topbar{padding:0 16px}.content{padding:16px}.metrics{grid-template-columns:repeat(2,1fr);gap:10px}.page-head{flex-direction:column}.formgrid,.checks,.quote-grid{grid-template-columns:1fr}}
.filterbar{flex-wrap:wrap;align-items:end}.filterbar .search{min-width:230px;flex:1}.filterbar label{display:flex;flex-direction:column;gap:5px;color:#64748b;font-size:11px}.filterbar select,.filterbar input[type=date]{border:1px solid #d7dfe9;background:#fff;border-radius:9px;padding:9px 10px;color:var(--text);min-height:39px}.cell-summary{color:var(--muted);font-size:12px;line-height:1.5;margin-top:4px;max-width:360px}.long-text{line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.remark,.mini-note{border-left:4px solid #60a5fa;background:#eff6ff;border-radius:7px;padding:10px 12px;margin:10px 0;line-height:1.6;overflow-wrap:anywhere}.remark p{margin:6px 0 0;white-space:pre-wrap}.remark-meta{display:flex;justify-content:space-between;gap:8px;font-size:12px}.remark-meta span,.mini-note small{color:#64748b}.mini-note{font-size:12px;min-width:150px;margin:0}.mini-note small{display:block;margin-top:4px}.color-yellow{background:#fffbeb;border-color:#f59e0b}.color-red{background:#fef2f2;border-color:#ef4444}.color-green{background:#f0fdf4;border-color:#22c55e}.note-form{margin-top:16px}.preview-box{min-height:65vh;padding:15px;display:grid;place-items:center}.preview-box img{max-width:100%;max-height:80vh;object-fit:contain}.preview-box iframe{border:0;width:100%;height:75vh;background:white}
.top-search{display:flex;align-items:center;gap:5px}.top-search input{width:235px;border:1px solid var(--line);border-radius:8px;padding:8px 10px;outline:none}.top-search button{border:0;border-radius:8px;padding:8px 10px;background:#eff6ff;color:#1d4ed8;cursor:pointer}.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.metrics{grid-template-columns:repeat(5,minmax(0,1fr))}@media(max-width:1100px){.metrics{grid-template-columns:repeat(3,1fr)}.top-search input{width:175px}}@media(max-width:680px){.top-search{display:none}.search-results{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}}
.text-preview{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7;font:13px/1.7 Consolas,"Microsoft YaHei",monospace;margin:0}
.pdf-pages{display:flex;align-items:center;gap:10px;margin:0 0 12px;color:#64748b;font-size:12px}.pdf-pages .btn{padding:6px 10px}
.version-tag{font-size:13px;color:#64748b;font-weight:500}.version-history{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:12px 16px;margin-bottom:14px;font-size:12px}.head-actions{display:flex;gap:8px;flex-wrap:wrap}
.block{display:block;margin-top:4px;color:var(--muted)}.reply{display:inline-flex;padding:4px 8px;border-radius:99px;font-size:11px;font-weight:700}.reply.no{background:#fef2f2;color:#dc2626}.reply.yes{background:#ecfdf3;color:#15803d}.unanswered-section{margin-top:16px}.attachment-link{margin-top:8px;padding:8px 10px;border-radius:8px;background:rgba(255,255,255,.65);font-size:12px}.compact-upload{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px}.compact-upload input[type=file]{max-width:330px}.mail-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:16px;margin-bottom:16px}.thread-note{padding:12px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:7px}.thread-note:first-of-type{border-top:0}.thread-note small{color:var(--muted)}.thread-note textarea{grid-column:1/-1;border:1px solid #d7dfe9;border-radius:8px;padding:9px;min-height:60px}.thread-note .btn{justify-self:end}.mail-history{max-width:1050px;margin:0 auto}.mail-bubble{width:min(78%,780px);padding:14px 16px;margin:14px 0;border:1px solid var(--line);border-radius:14px 14px 14px 4px;background:#fff}.mail-bubble.outgoing{margin-left:auto;background:#eef6ff;border-color:#cfe2ff;border-radius:14px 14px 4px 14px}.mail-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:11px;margin-bottom:7px}.mail-bubble p{margin:6px 0 0;color:#64748b;font-size:12px}.attachment-badge{display:inline-block;margin-top:9px;color:#8a5a00;background:#fff7d6;padding:4px 8px;border-radius:7px;font-size:11px}@media(max-width:900px){.mail-layout{grid-template-columns:1fr}.mail-bubble{width:94%}}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:10px}.file-grid.compact{grid-template-columns:repeat(auto-fill,minmax(130px,180px))}.file-tile{overflow:hidden;border:1px solid var(--line);border-radius:10px;background:#fff}.file-thumb{width:100%;height:112px;padding:0;border:0;border-bottom:1px solid var(--line);background:#f8fafc;cursor:zoom-in;display:grid;place-items:center;overflow:hidden}.file-thumb img{width:100%;height:100%;object-fit:cover}.file-icon{font-weight:800;color:#64748b;font-size:18px}.file-tile-info{display:flex;flex-direction:column;gap:4px;padding:9px}.file-tile-info strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-tile-info small{color:var(--muted);font-size:11px}.file-tile-info span{font-size:11px}.file-lightbox{width:min(96vw,1500px);height:min(94vh,1050px);border:0;border-radius:12px;padding:42px 12px 12px;background:#0f172aeF}.file-lightbox::backdrop{background:rgba(2,6,23,.82)}.file-lightbox img{width:100%;height:100%;object-fit:contain}.lightbox-close{position:absolute;right:12px;top:7px;border:0;background:#fff;color:#0f172a;border-radius:50%;width:30px;height:30px;font-size:22px;cursor:pointer}.color-purple{background:#faf5ff;border-color:#a855f7}.quote-section{border-color:#e9d5ff}.mail-body{margin-top:12px;padding-top:11px;border-top:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;max-height:420px;overflow:auto;color:#334155}.compact-upload select{border:1px solid #d7dfe9;border-radius:8px;padding:8px;background:#fff}