:root{color-scheme:light;--bg:#f3f6f9;--surface:#fff;--line:#e4e9ef;--text:#15212d;--muted:#667684;--primary:#087f7a;--primary-dark:#05635f;--primary-soft:#e8f6f4;--shadow:0 8px 28px #1c2b3612}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 "Segoe UI","Microsoft YaHei",system-ui,sans-serif}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:var(--primary)}
[hidden]{display:none!important}
:focus-visible{outline:3px solid #18a99d;outline-offset:3px}
.btn{display:inline-flex;justify-content:center;align-items:center;border:1px solid var(--line);border-radius:9px;padding:9px 14px;color:var(--text);background:white;text-decoration:none;font-size:14px;line-height:1.5;white-space:nowrap}
.btn:hover{border-color:#b9c7ce}
.btn.primary{border-color:var(--primary);color:white;background:var(--primary)}
.btn.primary:hover{background:var(--primary-dark)}
.btn:disabled{cursor:not-allowed;opacity:.55}
.panel{border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow)}
.table-wrap{overflow-x:auto;margin-top:18px}
table{width:100%;border-collapse:collapse;font-size:13px}
th{color:#536676;background:#f8fafc;font-weight:600;white-space:nowrap}
td,th{border-bottom:1px solid #edf1f4}
tbody tr:hover{background:#f8fafc}
.brand-mark{display:grid;place-items:center;flex-shrink:0;width:40px;height:40px;border-radius:12px;color:#fff;font-size:17px;font-weight:800;background:#13a39a;box-shadow:0 6px 18px #0002}
.login-shell{display:grid;place-items:center;min-height:100vh;padding:32px 20px;background:radial-gradient(ellipse at 20% 5%,#d9eeeb,transparent 55%),var(--bg)}
.login-card{width:100%;max-width:470px;padding:36px;background:white;border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 60px #163c3610}
.login-brand{display:flex;align-items:center;gap:13px;margin-bottom:32px}
.login-brand strong{display:block;font-size:19px}
.login-brand small{display:block;color:var(--muted);margin-top:1px;font-size:12px}
.login-card h1{margin:0 0 8px;font-size:25px}
.login-intro{margin:0 0 24px;font-size:14px;color:var(--muted)}
.field{display:grid;gap:8px;margin:20px 0}
.field label{font-size:13px;font-weight:600}
.field input,.field select{width:100%;min-height:44px;padding:10px 12px;border:1px solid #d5e0e5;border-radius:9px;color:var(--text);background:#fff}
.field :disabled{background:#f3f6f8;color:#81909b}
.source-address{display:block;overflow-wrap:anywhere;color:var(--muted);font-size:12px}
.error-text{min-height:24px;font-size:13px;color:#b93434;margin:12px 0}
.login-submit{width:100%;min-height:44px}
.login-note{padding-top:22px;margin:25px 0 0;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.9}
@media(max-width:520px){.login-shell{padding:20px 14px}.login-card{padding:26px 22px}}