:root {
  color-scheme: light;
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #eef2f6;
  color: #1d2733;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.shell-narrow {
  width: min(780px, calc(100vw - 32px));
}

.panel {
  background: #ffffff;
  border: 1px solid #d9e1ea;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(26, 45, 70, 0.08);
}

.main-panel {
  padding: 28px;
}

.title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: #0b6bcb;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.25;
}

h2 {
  padding: 18px 20px 0;
  font-size: 18px;
}

.ghost-link {
  color: #0b6bcb;
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

.form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: end;
}

label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: #465467;
}

input {
  width: 100%;
  min-height: 44px;
  border: 1px solid #b8c4d2;
  border-radius: 6px;
  padding: 0 12px;
  font-size: 15px;
  color: #1d2733;
  background: #fff;
}

input[readonly] {
  color: #66758a;
  background: #edf1f5;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  padding: 0 16px;
  color: #fff;
  background: #0b6bcb;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  background: #075cad;
}

.messages {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.message {
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 700;
}

.message.success {
  color: #0c5132;
  background: #d9f6e7;
}

.message.error {
  color: #8a1f11;
  background: #ffe0dc;
}

.link-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 140px;
  gap: 16px;
  align-items: start;
  margin-top: 18px;
}

.info-stack {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.info-row {
  display: grid;
  gap: 6px;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 16px 18px;
  background: #f9fbfd;
}

.info-row span {
  color: #526174;
  font-size: 13px;
  font-weight: 700;
}

.info-row strong {
  color: #17324d;
  font-size: 18px;
  line-height: 1.35;
}

.cta-row {
  margin-top: 18px;
}

.verify-form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 18px;
  background: #f9fbfd;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 6px;
  padding: 0 18px;
  color: #fff;
  background: #0b6bcb;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
}

.primary-link:hover {
  background: #075cad;
}

.empty-state {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.empty-state p {
  margin: 0;
  color: #526174;
  line-height: 1.6;
}

.hint-box {
  display: inline-grid;
  gap: 6px;
  margin-top: 18px;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 12px 14px;
  background: #f7f9fb;
}

.hint-box span {
  color: #526174;
  font-size: 12px;
  font-weight: 700;
}

.hint-box strong {
  color: #17324d;
  font-size: 18px;
}

.nav-grid {
  display: grid;
  gap: 14px;
}

.nav-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 16px 18px;
  background: #f9fbfd;
}

.nav-copy {
  display: grid;
  gap: 8px;
}

.nav-copy strong {
  color: #17324d;
  font-size: 18px;
}

.nav-copy span {
  color: #526174;
  font-size: 13px;
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
}

.admin-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.admin-create {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 18px;
  background: #f9fbfd;
}

.section-heading {
  display: grid;
  gap: 6px;
}

.section-heading h2 {
  padding: 0;
}

.section-heading span {
  color: #526174;
  font-size: 13px;
  font-weight: 700;
}

.admin-form {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-card {
  display: grid;
  gap: 8px;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 16px 18px;
  background: #f9fbfd;
}

.summary-card span {
  color: #526174;
  font-size: 13px;
  font-weight: 700;
}

.summary-card strong {
  color: #17324d;
  font-size: 24px;
  line-height: 1.2;
}

.link-box {
  display: grid;
  gap: 8px;
  color: #526174;
  font-size: 14px;
}

.qr-card {
  display: grid;
  justify-items: center;
  gap: 8px;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 10px;
  background: #ffffff;
  color: #526174;
  font-size: 12px;
  text-align: center;
}

.qr-card img {
  width: 112px;
  height: 112px;
  image-rendering: pixelated;
}

.qr-card.compact {
  width: 116px;
  padding: 8px;
}

.qr-card.compact img {
  width: 92px;
  height: 92px;
}

code {
  display: block;
  overflow-wrap: anywhere;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 12px;
  color: #1d2733;
  background: #f7f9fb;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 18px;
  margin-top: 18px;
}

.tree-panel {
  margin-top: 18px;
  padding-bottom: 20px;
}

.tree-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-right: 20px;
}

.tree-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tree-action {
  min-height: 34px;
  border: 1px solid #b8c4d2;
  border-radius: 6px;
  padding: 0 12px;
  color: #17324d;
  background: #ffffff;
  font-size: 13px;
  font-weight: 800;
}

.tree-action:hover {
  color: #0b6bcb;
  background: #f4f8fc;
}

.tree-action.is-active {
  color: #ffffff;
  border-color: #0b6bcb;
  background: #0b6bcb;
}

.tree-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 12px;
  align-items: center;
  margin: 16px 20px 0;
}

.tree-search input {
  min-height: 40px;
}

.tree-search span {
  color: #526174;
  font-size: 13px;
  text-align: right;
}

.table-wrap {
  overflow-x: auto;
  padding: 16px 20px 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid #e2e8f0;
  padding: 11px 8px;
  text-align: left;
  vertical-align: top;
}

th {
  color: #526174;
  font-size: 13px;
}

td a {
  color: #0b6bcb;
  overflow-wrap: anywhere;
}

.table-qr {
  width: 72px;
  height: 72px;
  vertical-align: top;
}

.empty {
  color: #7b8898;
  text-align: center;
}

.root-node {
  margin: 16px 20px 10px;
  border: 1px solid #c8d7e8;
  border-radius: 6px;
  padding: 12px 14px;
  color: #17324d;
  background: #edf6ff;
  font-weight: 800;
}

.tree {
  margin: 0 20px;
  padding-left: 22px;
  list-style: none;
  border-left: 2px solid #d9e1ea;
}

.tree[hidden] {
  display: none;
}

.tree .tree {
  margin: 10px 0 0 18px;
}

.tree li {
  position: relative;
  padding: 0 0 12px 16px;
}

.tree li::before {
  position: absolute;
  top: 19px;
  left: -22px;
  width: 22px;
  height: 2px;
  background: #d9e1ea;
  content: "";
}

.tree-node {
  display: grid;
  gap: 10px;
  border: 1px solid #d9e1ea;
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
}

.tree-node.search-match {
  border-color: #f2b84b;
  box-shadow: 0 0 0 3px rgba(242, 184, 75, 0.22);
}

.customer-node {
  border-color: #d8e4cc;
  background: #fbfdf7;
}

.customer-node.pending-customer {
  border-color: #f2c66d;
  background: #fffaf0;
}

.customer-node.activated-customer {
  border-color: #d8e4cc;
  background: #fbfdf7;
}

.tree-main {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.tree-copy {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.branch-toggle {
  min-height: 28px;
  border: 1px solid #c8d7e8;
  border-radius: 6px;
  padding: 0 8px;
  color: #0b6bcb;
  background: #edf6ff;
  font-size: 12px;
  font-weight: 800;
}

.branch-toggle:hover {
  background: #dfefff;
}

.branch-spacer {
  width: 82px;
}

.tree-toggle {
  justify-self: start;
  min-height: auto;
  border: 0;
  border-radius: 0;
  padding: 0;
  color: #1d2733;
  background: transparent;
  font-size: 15px;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.tree-toggle:hover {
  color: #0b6bcb;
  background: transparent;
}

.tree-toggle::after {
  margin-left: 8px;
  color: #0b6bcb;
  font-size: 12px;
  font-weight: 700;
  content: "展开";
}

.tree-toggle[aria-expanded="true"]::after {
  content: "收起";
}

.tree-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 116px;
  gap: 12px;
  align-items: start;
  border-top: 1px solid #e2e8f0;
  padding-top: 10px;
}

.tree-detail[hidden] {
  display: none;
}

.tree-node a {
  color: #0b6bcb;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.tree-node span {
  color: #526174;
  font-size: 13px;
}

.customer-node strong {
  color: #2f4f1f;
  font-size: 15px;
}

@media (max-width: 900px) {
  .form,
  .grid,
  .link-grid,
  .admin-summary,
  .admin-form {
    grid-template-columns: 1fr;
  }

  .nav-item {
    grid-template-columns: 1fr;
  }

  .title-row {
    display: grid;
  }

  .tree-header {
    display: grid;
    padding-right: 0;
  }

  .tree-search {
    grid-template-columns: 1fr;
  }

  .tree-search span {
    text-align: left;
  }

  .qr-card {
    justify-self: start;
  }

  .tree-main {
    grid-template-columns: 1fr;
  }

  .branch-spacer {
    display: none;
  }

  .tree-detail {
    grid-template-columns: 1fr;
  }
}