/* 客户会员管理系统 后台样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background: #f2f4f7;
    color: #2b2f36;
    font-size: 14px;
    line-height: 1.6;
}
a { color: #2456b3; text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* 顶栏 */
.topbar { background: #1f2d3d; color: #fff; }
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 52px; }
.brand { font-weight: bold; font-size: 16px; letter-spacing: 1px; }
.nav { display: flex; gap: 4px; flex: 1; }
.nav-item { color: #cfd8e3; padding: 6px 14px; border-radius: 4px; }
.nav-item:hover { color: #fff; text-decoration: none; background: rgba(255,255,255,.08); }
.nav-item.active { color: #fff; background: #2456b3; }
.userbox { display: flex; align-items: center; gap: 8px; color: #cfd8e3; }
.main { padding: 20px 0 40px; }
.footer { color: #98a2b3; padding: 16px; text-align: center; font-size: 12px; }

.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.page-head h2 { font-size: 20px; }

/* 按钮 */
.btn {
    display: inline-block; padding: 7px 16px; border: 1px solid #d0d5dd; background: #fff;
    border-radius: 6px; color: #344054; cursor: pointer; font-size: 14px; line-height: 1.5;
}
.btn:hover { background: #f5f7fa; text-decoration: none; }
.btn-primary { background: #2456b3; border-color: #2456b3; color: #fff; }
.btn-primary:hover { background: #1d4794; }
.btn-export { background: #0f7b55; border-color: #0f7b55; color: #fff; }
.btn-export:hover { background: #0c6545; }
.btn-sm { padding: 3px 10px; font-size: 12px; }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }
.btn-block { display: block; width: 100%; text-align: center; }
.link-btn { background: none; border: none; color: #2456b3; cursor: pointer; font-size: 14px; padding: 0; }
.link-btn:hover { text-decoration: underline; }
.link-btn.danger { color: #c0392b; }

/* 卡片 */
.card { background: #fff; border: 1px solid #e4e7ec; border-radius: 8px; padding: 18px 20px; margin-bottom: 18px; }
.card h3 { font-size: 16px; margin-bottom: 12px; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 9px 10px; border-bottom: 1px solid #eef0f3; text-align: left; vertical-align: top; }
.table th { background: #f7f9fb; font-weight: 600; color: #475467; white-space: nowrap; }
.table tr:hover td { background: #fafbfc; }
.empty { text-align: center; color: #98a2b3; padding: 24px 0 !important; }
.muted { color: #98a2b3; }
.ops a, .ops .link-btn { margin-right: 8px; white-space: nowrap; }
.sum-line { color: #475467; margin-bottom: 8px; }

/* 筛选条 */
.filter-bar { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { padding: 7px 10px; border: 1px solid #d0d5dd; border-radius: 6px; min-width: 180px; }
.filter-bar input[type="date"] { min-width: 140px; }

/* 表单 */
.form-card { max-width: 760px; }
.form-row { display: flex; align-items: flex-start; margin-bottom: 14px; }
.form-row > label { width: 140px; flex-shrink: 0; padding-top: 7px; color: #344054; }
.form-row > label em { color: #c0392b; font-style: normal; }
.form-row input[type="text"], .form-row input[type="password"], .form-row input[type="number"],
.form-row input[type="date"], .form-row select, .form-row textarea {
    flex: 1; padding: 7px 10px; border: 1px solid #d0d5dd; border-radius: 6px; font-size: 14px;
    font-family: inherit; width: 100%;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: #2456b3; }
.form-row .static { padding-top: 7px; color: #475467; }
.form-row .check-line { display: flex; align-items: center; gap: 6px; padding-top: 7px; }
.form-actions { margin-top: 6px; }
.hint { color: #98a2b3; font-size: 12px; margin-top: 4px; }
.block-hint { margin-bottom: 14px; }
.price-hint { background: #f0f6ff; border: 1px solid #bcd4ff; border-radius: 6px; padding: 8px 12px; color: #1d4794; }

/* 统计卡 */
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.stat-card { background: #fff; border: 1px solid #e4e7ec; border-radius: 8px; padding: 18px 20px; }
.stat-num { font-size: 24px; font-weight: 700; color: #1f2d3d; }
.stat-label { color: #98a2b3; font-size: 13px; margin-top: 4px; }

/* 等级徽章 */
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; white-space: nowrap; }
.lv0 { background: #eef0f3; color: #475467; }
.lv1 { background: #e8edf2; color: #66788a; border: 1px solid #c9d4de; }
.lv2 { background: #fdf3d7; color: #96690f; border: 1px solid #f0d98c; }
.lv3 { background: #e3f0fd; color: #1d5fb0; border: 1px solid #b3d4f5; }
.lv4 { background: #fde8e8; color: #b02a2a; border: 1px solid #f3bcbc; }
.tag-lock { display: inline-block; background: #fff3e0; color: #b26a00; font-size: 11px; padding: 0 6px; border-radius: 3px; margin-left: 4px; }

/* 提示 */
.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; }
.alert-ok { background: #e8f7ef; border: 1px solid #b7e4cc; color: #12744a; }
.alert-err { background: #fdeeee; border: 1px solid #f3c1c1; color: #b02a2a; }

/* 分页 */
.pager { display: flex; gap: 6px; flex-wrap: wrap; }
.pager a { padding: 5px 11px; border: 1px solid #d0d5dd; border-radius: 6px; background: #fff; }
.pager a.cur { background: #2456b3; color: #fff; border-color: #2456b3; }
.pager a:hover { text-decoration: none; background: #f0f6ff; }
.pager a.cur:hover { background: #2456b3; }

/* 登录页 */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(160deg, #1f2d3d 0%, #2c4a7c 100%); }
.login-box { background: #fff; border-radius: 10px; padding: 34px 36px; width: 380px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.login-box h1 { font-size: 20px; text-align: center; margin-bottom: 6px; }
.login-sub { text-align: center; color: #98a2b3; margin-bottom: 20px; font-size: 13px; }
.install-box { width: 440px; }
.install-log { margin: 10px 0 16px 18px; color: #475467; }

@media (max-width: 760px) {
    .form-row { flex-direction: column; }
    .form-row > label { width: auto; padding-top: 0; margin-bottom: 4px; }
    .stat-grid { grid-template-columns: 1fr; }
    .table { display: block; overflow-x: auto; }
    .topbar-inner { flex-wrap: wrap; height: auto; padding: 8px 0; }
}