:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #6b7280;
  --line: #e5e9f2;
  --primary: #3769f5;
  --primary-2: #5b7cfa;
  --danger: #e64b5d;
  --success: #17a673;
  --warning: #f59e0b;
  --shadow: 0 18px 55px rgba(28, 49, 96, .10);
  --radius: 22px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 10% 0%, #eaf0ff 0, transparent 32%), linear-gradient(135deg, #f7fbff 0%, #f5f7fb 55%, #eef5ff 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
.topbar {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 18px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.eyebrow { color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
h1, h2 { margin: 0; line-height: 1.15; }
h1 { font-size: clamp(26px, 4vw, 42px); }
h2 { font-size: 22px; }
.muted { color: var(--muted); line-height: 1.7; margin: 8px 0 0; }
.layout { max-width: 1180px; margin: 0 auto; padding: 14px 18px 50px; display: grid; gap: 18px; }
.card, .login-card {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(229,233,242,.9);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(14px);
}
.hero-card { display: grid; grid-template-columns: 1fr; gap: 18px; }
.search-grid { display: grid; grid-template-columns: 180px 1fr 150px; gap: 12px; align-items: center; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr auto auto; gap: 14px; align-items: end; }
.form-grid label, .form-stack label { font-weight: 700; color: #344054; font-size: 14px; display: grid; gap: 8px; }
.input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 14px;
  padding: 13px 14px;
  outline: none;
  font-size: 15px;
  transition: box-shadow .15s, border-color .15s;
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(55,105,245,.12); }
.btn {
  border: none;
  border-radius: 14px;
  padding: 13px 16px;
  font-weight: 800;
  cursor: pointer;
  font-size: 15px;
  transition: transform .12s, box-shadow .12s, opacity .12s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .62; cursor: not-allowed; transform: none; }
.primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 14px 28px rgba(55,105,245,.24); }
.ghost { color: var(--primary); background: #edf3ff; }
.logout { background: #fff; border: 1px solid var(--line); padding: 10px 14px; border-radius: 999px; color: var(--muted); }
.danger-confirm { background: linear-gradient(135deg, #ef4c64, #ff7d69); box-shadow: 0 14px 28px rgba(230,75,93,.22); }
.section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 18px; }
.alert { padding: 13px 15px; border-radius: 16px; font-weight: 700; }
.alert.error { background: #fff1f2; color: #b42335; border: 1px solid #ffd7dd; }
.user-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.user-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #fbfdff);
  border-radius: 18px;
  padding: 16px;
  cursor: pointer;
  transition: border-color .12s, transform .12s, box-shadow .12s;
}
.user-card:hover, .user-card.selected { border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 16px 30px rgba(55,105,245,.13); }
.user-title { display: flex; justify-content: space-between; gap: 8px; font-weight: 900; margin-bottom: 10px; }
.user-meta { display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
.kv { display: flex; justify-content: space-between; gap: 12px; }
.kv strong { color: var(--text); }
.selected-user {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  background: #f4f7ff;
  border: 1px solid #dbe6ff;
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 16px;
}
.selected-user div { display: grid; gap: 4px; }
.selected-user span { color: var(--muted); font-size: 13px; }
.selected-user strong { font-size: 16px; }
.switch-line { align-self: center; display: flex !important; grid-template-columns: none !important; gap: 8px !important; align-items: center; margin-bottom: 13px; }
.result-message { margin-top: 14px; padding: 13px 15px; border-radius: 16px; background: #ecfdf3; color: #087443; font-weight: 800; }
.result-message.error { background: #fff1f2; color: #b42335; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 16px; }
.log-table { width: 100%; border-collapse: collapse; min-width: 760px; background: #fff; }
.log-table th, .log-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; font-size: 14px; }
.log-table th { background: #f8fbff; color: #475467; }
.pill { padding: 4px 9px; border-radius: 999px; font-weight: 800; font-size: 12px; }
.pill.success { background: #ecfdf3; color: #087443; }
.pill.failed { background: #fff1f2; color: #b42335; }
.login-page { display: grid; place-items: center; padding: 20px; }
.login-card { width: min(440px, 100%); }
.brand-badge { width: 58px; height: 58px; border-radius: 18px; background: linear-gradient(135deg, var(--primary), #89a4ff); color: #fff; display: grid; place-items: center; font-weight: 900; margin-bottom: 18px; }
.brand-badge.danger { background: linear-gradient(135deg, #ef4c64, #ff9b7b); }
.form-stack { margin-top: 18px; display: grid; gap: 13px; }
@media (max-width: 820px) {
  .topbar { padding-top: 22px; }
  .search-grid, .form-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; }
  .card { padding: 18px; border-radius: 18px; }
  .btn, .input { width: 100%; }
  .logout { padding: 9px 12px; }
}
.site-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.site-chip, .site-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  font-weight: 900;
}
.site-chip {
  padding: 7px 11px;
  background: #edf3ff;
  color: var(--primary);
  border: 1px solid #dbe6ff;
  font-size: 13px;
}
.site-badge {
  padding: 6px 10px;
  background: #f0fdf9;
  color: #067647;
  border: 1px solid #ccfbef;
  font-size: 12px;
  margin-bottom: 12px;
}
.site-errors {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}
.alert.warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}
@media (max-width: 820px) {
  .site-line { gap: 6px; }
  .site-chip { font-size: 12px; padding: 6px 9px; }
}

/* v2.3 手机端优化：手机优先操作、单列卡片、日志表格卡片化 */
html { -webkit-text-size-adjust: 100%; }
button, input, select { font: inherit; }
.input, .btn { -webkit-tap-highlight-color: transparent; }
.user-card { touch-action: manipulation; }
.user-card:active, .btn:active { transform: scale(.99); }
.log-table td { vertical-align: top; }

@media (max-width: 720px) {
  body {
    background: linear-gradient(180deg, #f7fbff 0%, #f4f7ff 100%);
  }
  .topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    max-width: none;
    padding: max(12px, env(safe-area-inset-top)) 12px 10px;
    background: rgba(247,251,255,.92);
    border-bottom: 1px solid rgba(229,233,242,.82);
    backdrop-filter: blur(16px);
    gap: 10px;
  }
  .topbar > div { min-width: 0; }
  .topbar .eyebrow {
    font-size: 11px;
    letter-spacing: .08em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .topbar h1 { font-size: 22px; }
  .logout {
    flex: 0 0 auto;
    font-size: 13px;
    padding: 9px 12px;
  }
  .layout {
    width: 100%;
    padding: 10px 10px calc(24px + env(safe-area-inset-bottom));
    gap: 12px;
  }
  .card, .login-card {
    padding: 16px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(28, 49, 96, .08);
  }
  .hero-card { gap: 14px; }
  h2 { font-size: 19px; }
  .muted {
    font-size: 13px;
    line-height: 1.55;
  }
  .search-grid, .form-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .input, .btn {
    width: 100%;
    min-height: 50px;
    font-size: 16px;
    border-radius: 15px;
  }
  .btn { padding: 13px 14px; }
  .site-line {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 2px 2px 6px;
    margin-left: -2px;
    margin-right: -2px;
  }
  .site-chip {
    flex: 0 0 auto;
    font-size: 12px;
    padding: 7px 10px;
  }
  .section-head {
    flex-direction: column;
    margin-bottom: 12px;
    gap: 10px;
  }
  .section-head .btn { width: 100%; }
  .user-results {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .user-card {
    padding: 14px;
    border-radius: 17px;
  }
  .user-card:hover, .user-card.selected {
    transform: none;
  }
  .site-badge {
    font-size: 12px;
    padding: 6px 9px;
    margin-bottom: 10px;
  }
  .user-title {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    font-size: 15px;
  }
  .user-title span { word-break: break-all; }
  .user-meta { gap: 7px; font-size: 13px; }
  .kv {
    align-items: flex-start;
    gap: 10px;
  }
  .kv > span {
    flex: 0 0 76px;
    color: #667085;
  }
  .kv > strong {
    min-width: 0;
    text-align: right;
    word-break: break-all;
  }
  .selected-user {
    grid-template-columns: 1fr;
    padding: 13px;
    margin-bottom: 12px;
    gap: 9px;
  }
  .selected-user strong {
    font-size: 15px;
    word-break: break-all;
  }
  .switch-line {
    margin: 2px 0 4px;
    min-height: 38px;
  }
  #rechargeForm .danger-confirm {
    min-height: 54px;
    font-size: 16px;
  }
  .result-message, .alert {
    font-size: 13px;
    line-height: 1.55;
    border-radius: 14px;
  }
  .table-wrap {
    overflow: visible;
    border: 0;
    border-radius: 0;
  }
  .log-table {
    min-width: 0;
    width: 100%;
    background: transparent;
  }
  .log-table thead { display: none; }
  .log-table, .log-table tbody, .log-table tr, .log-table td {
    display: block;
  }
  .log-table tr {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 10px 12px;
    margin-bottom: 10px;
    box-shadow: 0 8px 20px rgba(28, 49, 96, .05);
  }
  .log-table td {
    border: 0;
    padding: 7px 0;
    font-size: 13px;
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 8px;
    word-break: break-all;
  }
  .log-table td::before {
    color: var(--muted);
    font-weight: 800;
  }
  .log-table td:nth-child(1)::before { content: '时间'; }
  .log-table td:nth-child(2)::before { content: '站点'; }
  .log-table td:nth-child(3)::before { content: '会员'; }
  .log-table td:nth-child(4)::before { content: '金额'; }
  .log-table td:nth-child(5)::before { content: '余额变化'; }
  .log-table td:nth-child(6)::before { content: '原因'; }
  .log-table td:nth-child(7)::before { content: '状态'; }
  .pill {
    width: fit-content;
    padding: 5px 9px;
  }
  .login-page {
    place-items: start center;
    padding: max(18px, env(safe-area-inset-top)) 12px calc(18px + env(safe-area-inset-bottom));
  }
  .login-card {
    width: 100%;
    margin-top: 7vh;
  }
  .brand-badge {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    margin-bottom: 14px;
  }
}

@media (max-width: 380px) {
  .topbar h1 { font-size: 20px; }
  .layout { padding-left: 8px; padding-right: 8px; }
  .card, .login-card { padding: 14px; }
  .kv > span { flex-basis: 68px; }
  .log-table td { grid-template-columns: 68px minmax(0, 1fr); }
}