:root{
  --primary:#1F3A5F; --secondary:#185FA5; --bg:#F4F4F0; --head:#1F3A5F;
  --stripe:#EEF2F7; --ok:#3B6D11; --warn:#854F0B; --err:#A32D2D;
  --border:#D8DDE3; --muted:#6B7280; --card:#fff;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","Segoe UI",Calibri,sans-serif;background:var(--bg);color:#222;font-size:14px;line-height:1.6}
a{color:var(--secondary);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:Consolas,monospace}
.wrap{max-width:1280px;margin:0 auto;padding:18px}
/* 顶栏 */
.topbar{background:var(--primary);color:#fff;padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.topbar .brand{font-size:17px;font-weight:600;letter-spacing:.5px}
.topbar .nav{display:flex;gap:4px;align-items:center}
.topbar .nav a{color:#cfd8e6;padding:8px 14px;border-radius:6px;font-size:13.5px}
.topbar .nav a:hover,.topbar .nav a.active{background:rgba(255,255,255,.15);text-decoration:none;color:#fff}
.topbar .right{display:flex;align-items:center;gap:16px;font-size:13px}
.badge{background:var(--err);color:#fff;border-radius:10px;font-size:11px;padding:1px 7px;margin-left:4px;font-weight:600}
.user-chip{background:rgba(255,255,255,.12);padding:5px 12px;border-radius:16px;font-size:12.5px}
/* 卡片 */
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.card h2{font-size:15px;color:var(--primary);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
/* 统计卡 */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 18px}
.stat .num{font-size:30px;font-weight:700;color:var(--primary)}
.stat .num.err{color:var(--err)}.stat .num.warn{color:var(--warn)}.stat .num.ok{color:var(--ok)}
.stat .lbl{font-size:12.5px;color:var(--muted);margin-top:4px}
/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{background:var(--head);color:#fff;text-align:left;padding:9px 12px;font-weight:600;white-space:nowrap}
tbody td{padding:9px 12px;border-bottom:1px solid var(--border)}
tbody tr:nth-child(even){background:var(--stripe)}
tbody tr:hover{background:#E6EDF7}
/* 状态标签 */
.tag{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:600;white-space:nowrap}
.tag.ok{background:#E6F2D9;color:var(--ok)}.tag.warn{background:#FBEFD8;color:var(--warn)}.tag.err{background:#F8E0E0;color:var(--err)}
.tag.gray{background:#E5E7EB;color:#555}
.row-expired{background:#FCF0F0!important}
.row-urgent{background:#F8E0E0!important}.row-warning{background:#FBEFD8!important}

/* 按钮 */
.btn{display:inline-block;padding:7px 16px;border-radius:6px;border:1px solid var(--border);background:#fff;color:#333;cursor:pointer;font-size:13px;text-decoration:none;line-height:1.4}
.btn:hover{text-decoration:none;opacity:.9}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-secondary{background:var(--secondary);color:#fff;border-color:var(--secondary)}
.btn-danger{background:var(--err);color:#fff;border-color:var(--err)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn-link{background:none;border:none;color:var(--secondary);padding:2px 4px}
/* 表单 */
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13px;margin-bottom:5px;color:#444;font-weight:500}
.form-row label .req{color:var(--err)}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:8px 11px;border:1px solid var(--border);border-radius:6px;font-size:13.5px;font-family:inherit}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--secondary);box-shadow:0 0 0 2px rgba(24,95,165,.12)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.form-actions{margin-top:18px;display:flex;gap:10px}
/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);display:none;align-items:center;justify-content:center;z-index:100}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:10px;padding:24px;width:480px;max-width:92vw;max-height:88vh;overflow:auto}
.modal h3{font-size:16px;color:var(--primary);margin-bottom:16px}
/* 提示 */
.flash{padding:10px 16px;border-radius:6px;margin-bottom:14px;font-size:13px}
.flash.success{background:#E6F2D9;color:var(--ok);border:1px solid #C7E0A0}
.flash.error{background:#F8E0E0;color:var(--err);border:1px solid #E8B8B8}
.flash.info{background:#E6F0FA;color:var(--secondary);border:1px solid #B8D2EA}
/* 工具类 */
.flex{display:flex}.between{justify-content:space-between;align-items:center}.gap{gap:10px}
.muted{color:var(--muted)}.small{font-size:12px}.mb{margin-bottom:14px}.mt{margin-top:14px}
.empty{text-align:center;padding:40px;color:var(--muted)}
.filters{display:flex;gap:8px;margin-bottom:14px;align-items:center}
.group-block{margin-bottom:18px}
.group-head{background:#E8EEF6;padding:10px 14px;border-radius:8px 8px 0 0;font-weight:600;color:var(--primary);cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.group-head .count{font-size:12px;color:var(--muted);font-weight:400}
.login-box{max-width:380px;margin:80px auto;background:#fff;border:1px solid var(--border);border-radius:12px;padding:36px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.login-box h1{color:var(--primary);font-size:22px;text-align:center;margin-bottom:6px}
.login-box .sub{text-align:center;color:var(--muted);font-size:13px;margin-bottom:24px}
.login-box .btn-primary{width:100%;text-align:center;padding:10px}
.kanban-col{flex:1;min-width:0}
.kanban-col h3{font-size:13px;margin-bottom:8px;padding-bottom:6px;border-bottom:2px solid}
.kanban-col.expired h3{color:var(--err);border-color:var(--err)}
.kanban-col.expiring h3{color:var(--warn);border-color:var(--warn)}
.kanban-col.normal h3{color:var(--ok);border-color:var(--ok)}
.kanban-item{background:#fff;border:1px solid var(--border);border-radius:6px;padding:10px 12px;margin-bottom:8px;font-size:12.5px}
.kanban-item .t{font-weight:600;color:var(--primary)}
.kanban-item .d{color:var(--muted);font-size:11.5px;margin-top:3px}