:root{--blue:#1d4ed8;--ink:#182230;--muted:#667085;--line:#d9e0ea;--bg:#f3f6f9;--green:#15935f;--red:#d92d20;--teal:#0f766e;--panel:#ffffff}*{box-sizing:border-box}body{margin:0;font-family:Arial,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg)}button{border:0;border-radius:7px;min-height:36px;padding:0 12px;cursor:pointer;transition:background .16s ease,border-color .16s ease,box-shadow .16s ease,transform .16s ease}button:hover:not(:disabled){box-shadow:0 6px 16px #10182814;transform:translateY(-1px)}button:disabled{cursor:not-allowed;opacity:.68}input,select,textarea{border:1px solid #d0d5dd;border-radius:7px;min-height:36px;padding:8px 10px;background:#fff;width:100%;font-family:inherit}textarea{resize:vertical}.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#f7fafc,#edf7f6)}.login-panel{width:min(430px,100%);background:#fffffff0;border:1px solid rgba(217,224,234,.9);border-radius:8px;padding:30px;box-shadow:0 24px 70px #10182824}.login-brand{margin-bottom:22px}.login-brand h1{margin:0;font-size:24px;color:var(--ink)}.login-brand p{margin:8px 0 0;color:var(--muted)}.login-form{display:grid;gap:14px}.login-submit{width:100%;margin-top:4px}.captcha-row{display:grid;grid-template-columns:1fr 112px;gap:8px}.captcha-image{border:1px solid #98a2b3;background:#f8fafc;color:#172033;font-size:20px;font-weight:700;letter-spacing:2px}.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}aside{background:#16202c;color:#cbd5e1;padding:20px 14px;border-right:1px solid rgba(255,255,255,.08)}aside h1{color:#fff;font-size:17px;margin:0 0 20px;padding:0 6px 14px;border-bottom:1px solid rgba(255,255,255,.1)}aside button{width:100%;margin-bottom:7px;color:#cbd5e1;background:transparent;text-align:left;font-weight:600}aside button:hover:not(:disabled){background:#ffffff14;box-shadow:none}aside 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8px;border-radius:999px;font-size:12px}.APPROVING{color:#b45309;background:#fff7ed}.DELIVERING{color:#2563eb;background:#eff6ff}.SIGNED{color:#16a34a;background:#ecfdf3}.RETURNED{color:#dc2626;background:#fef2f2}.child-row td{background:#fbfcfe}.child-panel{padding:14px;border:1px solid #dbe4f0;border-radius:8px;background:#fff}.link-btn{background:transparent;color:var(--blue);padding:0 6px;min-height:28px}.danger-text{color:var(--red)}.pill{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;margin:0 6px 6px 0;border-radius:999px;background:#eff6ff;color:#2563eb;font-size:12px}.account-create{margin-bottom:16px}.permission-box{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.permission-box.editor{margin:8px 0 4px}.check-item{display:inline-flex;flex-direction:row;align-items:center;gap:7px;min-height:32px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#344054}.check-item input{width:auto;min-height:auto}.modal-subtitle{margin:0 0 10px;color:var(--muted)}.form-card,.form-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:10px;align-items:center}.span2{grid-column:span 2}.usage-import-card{display:grid;grid-template-columns:minmax(320px,1fr) minmax(220px,320px);gap:14px;align-items:start;margin-bottom:16px}.usage-import-card h3{margin:0 0 10px}.usage-import-card textarea{min-height:132px}.usage-import-actions{display:grid;gap:10px}.import-result{display:flex;flex-wrap:wrap;gap:10px;grid-column:1 / -1;padding-top:4px}.import-result>span{display:inline-flex;align-items:center;min-height:26px;padding:0 9px;border-radius:999px;background:#f2f4f7;color:#344054}.import-errors{width:100%;color:var(--red)}.import-errors p{margin:4px 0;font-size:12px}.chart-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:14px}.chart-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.chart-header h3{margin:0}.bar-chart{min-height:240px;display:flex;gap:12px;align-items:flex-end;overflow-x:auto;padding:16px 6px 8px;border-bottom:1px solid var(--line)}.bar-group{min-width:74px;display:grid;gap:8px;justify-items:center}.bar-group>span{min-height:28px;text-align:center;color:var(--muted);font-size:12px;word-break:break-all}.bar-stack{height:178px;display:flex;align-items:flex-end;gap:5px}.bar{position:relative;width:16px;min-height:8px;border-radius:5px 5px 2px 2px;display:block}.bar em{position:absolute;left:50%;bottom:calc(100% + 4px);transform:translate(-50%);font-style:normal;font-size:11px;color:#475467}.bar.order,.dot.order{background:#2563eb}.bar.outbound,.dot.outbound{background:#0f766e}.bar.signed,.dot.signed{background:#16a34a}.legend{display:flex;flex-wrap:wrap;gap:14px;padding-top:12px;color:var(--muted);font-size:12px}.legend span{display:inline-flex;align-items:center;gap:6px}.dot{width:9px;height:9px;border-radius:50%;display:inline-block}.empty{min-height:160px;display:grid;place-items:center;color:var(--muted);border:1px dashed var(--line);border-radius:8px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:24px;background:#0f172a6b;z-index:20}.modal{width:min(560px,100%);background:#fff;border-radius:8px;padding:18px;box-shadow:0 24px 60px #0f172a47}.modal.wide{width:min(820px,100%)}.modal h3{margin:0 0 12px}.modal-actions{text-align:right;margin-top:14px;display:flex;justify-content:flex-end;gap:8px}.trace{border:1px solid var(--line);border-radius:8px;padding:12px}.trace div{padding:8px 0;border-bottom:1px solid var(--line);color:#475467}.trace div:last-child{border-bottom:0}.toast{position:fixed;right:20px;bottom:20px;background:#111827;color:#fff;padding:10px 14px;border-radius:8px}@media(max-width:900px){.shell{grid-template-columns:1fr}aside{min-height:auto}.cards,.filters,.form-card,.form-grid,.usage-import-card{grid-template-columns:1fr}.toolbar,header{flex-direction:column;align-items:stretch}}