* { box-sizing: border-box; }
body {
  margin: 0; background: #f2f4f8; color: #1c2333;
  font: 14px/1.6 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
nav {
  background: #1f2d4d; color: #cdd6ea; padding: 0 20px; height: 48px;
  display: flex; align-items: center; gap: 4px;
}
nav .brand { font-weight: 700; color: #fff; margin-right: 18px; }
nav a { color: #cdd6ea; text-decoration: none; padding: 6px 12px; border-radius: 6px; }
nav a:hover { background: #2c3d68; color: #fff; }
nav a.on { background: #3b5ba9; color: #fff; }
nav .right { margin-left: auto; display: flex; align-items: center; gap: 6px; }
main { max-width: 1080px; margin: 24px auto 60px; padding: 0 20px; }
h2 { font-size: 20px; margin: 6px 0 16px; }
h3 { font-size: 15px; margin: 22px 0 10px; }
code { background: #e8ecf5; border-radius: 4px; padding: 1px 5px; font-family: Consolas, monospace; font-size: 13px; }

.msg { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.msg-ok { background: #e5f6ec; color: #17683b; border: 1px solid #bfe7cf; }
.msg-err { background: #fdeaea; color: #a12626; border: 1px solid #f2c4c4; }

.panel { background: #fff; border: 1px solid #e3e7ef; border-radius: 10px; padding: 16px; margin-bottom: 18px; }
.panel.narrow { max-width: 520px; }
.cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 22px; }
.card { background: #fff; border: 1px solid #e3e7ef; border-radius: 10px; padding: 14px; text-align: center; }
.card b { display: block; font-size: 24px; color: #2c4a9e; }
.card span { color: #7a8499; font-size: 12px; }

table { background: #fff; border: 1px solid #e3e7ef; border-radius: 10px; border-collapse: separate; border-spacing: 0; width: 100%; overflow: hidden; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid #eef1f6; vertical-align: middle; }
th { background: #f7f9fc; color: #5b6579; font-weight: 600; font-size: 13px; }
tr:last-child td { border-bottom: none; }
td.empty { color: #98a1b3; text-align: center; padding: 26px; }
table.plain td { border-bottom: 1px dashed #eef1f6; }
table.plain td.k { color: #7a8499; width: 110px; }

.btn {
  display: inline-block; border: 1px solid #cdd4e0; background: #fff; color: #33415e;
  border-radius: 7px; padding: 7px 14px; cursor: pointer; text-decoration: none; font-size: 13px;
}
.btn:hover { border-color: #9fb0d2; }
.btn.primary { background: #2f5bd7; border-color: #2f5bd7; color: #fff; }
.btn.primary:hover { background: #274cb8; }
.btn.danger { background: #d64545; border-color: #d64545; color: #fff; }
.btn.danger:hover { background: #b93a3a; }
.btn.small { padding: 3px 9px; font-size: 12px; }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn.link { border: none; background: none; color: #9db4e8; padding: 0; }

input, select, textarea {
  border: 1px solid #cdd4e0; border-radius: 7px; padding: 7px 10px; font-size: 13px;
  font-family: inherit; background: #fff; color: #1c2333;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #b9c9f2; border-color: #7f9be0; }
textarea { width: 100%; font-family: Consolas, monospace; font-size: 12px; }
label { display: block; margin: 12px 0 5px; color: #4a5468; font-weight: 600; font-size: 13px; }
form .btn { margin-top: 14px; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row .btn, .row button { margin-top: 0; }
form.row label { display: none; }
.inline { display: inline-block; }
form.inline .btn { margin-top: 0; }
form.inline input { padding: 3px 8px; font-size: 12px; }

.tag { display: inline-block; background: #edf0f6; color: #5b6579; border-radius: 20px; padding: 1px 10px; font-size: 12px; }
.tag.ok { background: #e0f3e8; color: #1d7a43; }
.tag.bad { background: #fbe4e4; color: #b03333; }

.hint { color: #8792a6; font-size: 12.5px; margin: 8px 0 0; }
.pager { margin-top: 14px; display: flex; gap: 6px; }
.pager a, .pager b { padding: 4px 10px; background: #fff; border: 1px solid #e3e7ef; border-radius: 6px; text-decoration: none; color: #33415e; }
.pager b { background: #2f5bd7; color: #fff; border-color: #2f5bd7; }

.login-box { max-width: 340px; margin: 90px auto; background: #fff; border: 1px solid #e3e7ef; border-radius: 12px; padding: 30px; }
.login-box h2 { text-align: center; }
.login-box input { width: 100%; margin-bottom: 4px; }