/* 管理后台样式（备用副本） */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: #f0f4f8; color: #1e3a5f; font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif; font-size: 15px; line-height: 1.6; }
a { color: #2563eb; text-decoration: none; }
.admin-top { background: #1e3a5f; color: #fff; padding: 14px 32px; display: flex; align-items: center; justify-content: space-between; }
.admin-top .t { font-size: 18px; font-weight: 700; }
.admin-top a { color: #cbd5e1; font-size: 14px; }
.admin-wrap { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
.admin-tabs { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.admin-tabs a { padding: 8px 22px; border-radius: 8px; background: #fff; border: 1px solid #dbe3ec; font-weight: 600; color: #64748b; font-size: 14px; }
.admin-tabs a.active { background: #2563eb; border-color: #2563eb; color: #fff; }
.stat-row { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-box { flex: 1; min-width: 160px; background: #fff; border-radius: 12px; padding: 18px 20px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.stat-box .n { font-size: 28px; font-weight: 700; color: #2563eb; }
.stat-box .l { font-size: 13px; color: #6b7280; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #eef2f7; font-size: 14px; }
.admin-table th { background: #f8fafc; font-weight: 600; color: #475569; }
.badge { font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 100px; display: inline-block; }
.badge.ok { background: #ecfdf5; color: #059669; }
.badge.no { background: #f3f4f6; color: #9ca3af; }
.btn { border: 0; border-radius: 6px; padding: 6px 14px; font-size: 13px; font-weight: 600; cursor: pointer; background: #eef2f7; color: #475569; }
.btn.danger { background: #fef2f2; color: #dc2626; }
.login-box { max-width: 400px; margin: 80px auto; background: #fff; border-radius: 16px; padding: 36px 32px; box-shadow: 0 8px 32px rgba(0,0,0,0.1); }
.login-box h1 { font-size: 22px; margin-bottom: 6px; }
.login-box .sub { font-size: 13px; color: #6b7280; margin-bottom: 24px; }
.login-box .field { margin-bottom: 16px; }
.login-box label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.login-box input { width: 100%; height: 46px; border: 1px solid #dbe3ec; border-radius: 10px; padding: 0 14px; font-size: 15px; outline: 0; }
.login-box .btn-primary { width: 100%; height: 48px; background: #2563eb; color: #fff; border: 0; border-radius: 10px; font-size: 16px; font-weight: 700; cursor: pointer; margin-top: 8px; }
.msg-tip { background: #fef2f2; color: #dc2626; border-radius: 8px; padding: 10px 14px; font-size: 14px; margin-bottom: 16px; }
.hint { font-size: 12px; color: #9ca3af; margin-top: 14px; text-align: center; }