:root{--bg: #e8eef5;--panel: #ffffff;--line: #c5d4e6;--ink: #1c2a3a;--muted: #66788c;--brand: #1a5fa8;--brand-dark: #0f4478;--brand-soft: #e7f1fb;--ok: #1e8e3e;--warn: #c07a00;--bad: #c0392b;--shadow: 0 1px 3px rgba(20, 45, 80, .08)}body{margin:0;font-family:Segoe UI,Microsoft YaHei,Verdana,sans-serif;background:radial-gradient(ellipse 80% 50% at 10% -10%,#cfe3f8 0%,transparent 55%),radial-gradient(ellipse 60% 40% at 100% 0%,#d9e8f6 0%,transparent 50%),var(--bg);color:var(--ink);font-size:14px;min-height:100vh}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.shell{max-width:1120px;margin:0 auto;padding:16px}.topbar{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(180deg,#2170bd,var(--brand));color:#fff;padding:12px 18px;border-radius:6px;box-shadow:var(--shadow)}.brand{display:flex;align-items:center;gap:10px}.brand strong{display:block;font-size:16px}.brand em{font-style:normal;opacity:.85;font-size:12px}.brand-mark{width:34px;height:34px;border-radius:8px;background:#ffffff2e;display:grid;place-items:center;font-weight:700;border:1px solid rgba(255,255,255,.35)}.top-links{display:flex;align-items:center;gap:4px}.top-links a,.link-btn{color:#fff;margin-left:8px;text-decoration:none;background:transparent;border:0;cursor:pointer;font:inherit;padding:4px 8px}.top-links a:hover,.link-btn:hover{text-decoration:underline}.workspace{display:grid;grid-template-columns:220px 1fr;gap:14px;margin-top:14px;align-items:start}.sidebar{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:12px;box-shadow:var(--shadow);position:sticky;top:12px}.user-card{display:flex;gap:10px;align-items:center;padding:8px 6px 14px;border-bottom:1px solid var(--line);margin-bottom:10px}.user-card b{display:block}.user-card span{color:var(--muted);font-size:12px}.avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-weight:700;border:1px solid #b7d2ef}.side-nav{display:flex;flex-direction:column;gap:2px}.side-nav a{display:flex;justify-content:space-between;align-items:center;padding:9px 10px;border-radius:4px;color:var(--ink);text-decoration:none}.side-nav a:hover{background:#f3f7fc;text-decoration:none}.side-nav a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}.side-nav i{font-style:normal;background:#e8a317;color:#fff;min-width:18px;height:18px;border-radius:9px;font-size:11px;display:grid;place-items:center;padding:0 5px}.main{min-width:0}.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}.page-head h1{margin:0;font-size:22px;color:var(--brand-dark)}.sub{margin:6px 0 0;color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:16px;box-shadow:var(--shadow);margin-bottom:14px}.panel h2{margin:0 0 12px;font-size:16px;color:var(--brand-dark)}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.panel-head h2{margin:0}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:14px 16px;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:border-color .15s ease,transform .15s ease}.stat:hover{border-color:#8eb6de;text-decoration:none;transform:translateY(-1px)}.stat span{display:block;color:var(--muted);font-size:12px}.stat b{display:block;margin-top:6px;font-size:26px;color:var(--brand-dark)}.stat.warn b{color:var(--warn)}.stat.ok b{color:var(--ok)}.stat.bad b{color:var(--bad)}.table{width:100%;border-collapse:collapse}.table th,.table td{border:1px solid #d5e3f2;padding:8px 10px;text-align:left;vertical-align:top}.table th{background:#eef5fc;color:#355574;font-weight:600}.table tbody tr:hover{background:#f8fbfe}.form-row{display:grid;grid-template-columns:100px 1fr;gap:8px;margin-bottom:12px;align-items:start}.form-row label{padding-top:8px;color:#455868}input,select,textarea{border:1px solid #9eb4cc;padding:8px 10px;width:100%;box-sizing:border-box;border-radius:4px;font:inherit;background:#fff}input:focus,textarea:focus{outline:2px solid #9fc4ea;border-color:var(--brand)}input:disabled{background:#f0f3f7;color:var(--muted)}.btn{background:linear-gradient(180deg,#3d86cf,#2f74c0);color:#fff;border:1px solid #2466ad;padding:8px 16px;cursor:pointer;border-radius:4px;font:inherit;display:inline-block;text-decoration:none}.btn:hover{filter:brightness(1.05);text-decoration:none}.btn.block{width:100%;margin-top:4px}.btn.ghost{background:#fff;color:var(--brand-dark);border-color:#9eb4cc}.btn-sm{border:1px solid #2f6eae;background:#3d86cf;color:#fff;padding:3px 8px;margin-right:4px;cursor:pointer;border-radius:3px;font:inherit}.btn-sm.danger{background:#c0392b;border-color:#922b21}.hint{color:var(--bad);margin:8px 0}.ok-msg{color:var(--ok);margin:8px 0}.muted{color:var(--muted)}.status-pending{color:var(--warn);font-weight:600}.status-approved{color:var(--ok);font-weight:600}.status-rejected{color:var(--bad);font-weight:600}.tag-top{display:inline-block;margin-left:6px;font-style:normal;font-size:11px;background:#fff3cd;color:#8a5a00;border:1px solid #f0d78c;padding:0 5px;border-radius:3px}.reason{max-width:220px;color:#6a4a00}.actions{white-space:nowrap}.tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}.tabs button{border:1px solid var(--line);background:#fff;padding:6px 14px;border-radius:999px;cursor:pointer;font:inherit;color:var(--ink)}.tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.steps{margin:0;padding-left:20px;line-height:1.9}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.contact-grid div{background:#f7fafc;border:1px solid #e1eaf3;border-radius:4px;padding:12px}.contact-grid span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}.contact-grid b{font-size:16px}.tip-panel{background:linear-gradient(180deg,#fff,#f5f9fd)}.auth-shell{min-height:100vh;display:grid;place-content:center;gap:14px;padding:24px}.auth-brand{display:flex;align-items:center;gap:12px;justify-content:center;color:var(--brand-dark)}.auth-brand .brand-mark{background:var(--brand);color:#fff;border-color:var(--brand-dark)}.auth-brand strong{display:block;font-size:20px}.auth-brand em{font-style:normal;color:var(--muted);font-size:13px}.auth-panel{width:min(420px,100%);margin:0}.auth-foot{display:flex;gap:14px;flex-wrap:wrap;margin:14px 0 0}.demo-hint{margin:10px 0 0;font-size:12px}.form-actions{display:flex;gap:8px;margin-top:8px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#10203673;display:grid;place-items:center;z-index:50;padding:16px}.modal{width:min(560px,100%);background:#fff;border-radius:8px;padding:18px;border:1px solid var(--line);box-shadow:0 12px 40px #142d5040;max-height:90vh;overflow:auto}.modal h2{margin:0 0 8px;color:var(--brand-dark)}@media(max-width:900px){.workspace{grid-template-columns:1fr}.sidebar{position:static}.side-nav{flex-direction:row;flex-wrap:wrap}.stat-row,.two-col,.contact-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.form-row{grid-template-columns:1fr}.form-row label{padding-top:0}.stat-row,.two-col,.contact-grid{grid-template-columns:1fr}.page-head{flex-direction:column}.table{display:block;overflow-x:auto}}