* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #eef4ff 0%, #f7f9fc 100%);
  color: #1f2937;
}

.site-body {
  min-height: 100vh;
}

.maintenance-shell,
.query-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.maintenance-card,
.query-card {
  width: 100%;
  max-width: 460px;
  background: #ffffff;
  border-radius: 20px;
  padding: 32px 24px;
  box-shadow: 0 16px 48px rgba(30, 64, 175, 0.12);
}

.maintenance-eyebrow,
.query-eyebrow {
  margin: 0 0 10px;
  color: #2563eb;
  font-size: 14px;
}

h1 {
  margin: 0 0 16px;
  font-size: 22px;
  text-align: center;
}

.maintenance-message {
  margin: 0;
  font-size: 18px;
  color: #dc2626;
}

.notice-panel {
  margin-top: 22px;
  padding: 14px 16px;
  border-radius: 14px;
  background: #eff6ff;
  color: #1e3a8a;
  font-size: 12px;
  line-height: 1.75;
}

.query-form {
  display: grid;
  gap: 14px;
}

.field-row {
  display: grid;
  gap: 8px;
}

label {
  font-size: 14px;
  color: #334155;
}

select,
input {
  width: 100%;
  min-height: 44px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 0 14px;
  font-size: 15px;
}

.captcha-wrap {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 10px;
}

.captcha-image {
  width: 100%;
  height: 44px;
  border-radius: 12px;
  border: 1px solid #cbd5e1;
  object-fit: cover;
}

.query-button {
  min-height: 46px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

.query-result {
  margin-top: 18px;
  min-height: 56px;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #f8fafc;
}

.query-result-success {
  color: #166534;
  background: #f0fdf4;
}

.query-result-error {
  color: #b91c1c;
  background: #fef2f2;
}

.admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.admin-nav-top {
  margin-top: 20px;
}

.admin-link {
  color: #1d4ed8;
  text-decoration: none;
  font-size: 14px;
}

.admin-form-tip {
  margin: 0 0 12px;
  color: #475569;
  font-size: 14px;
}

.admin-card-wide {
  max-width: 820px;
}

.admin-form-inline {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.admin-filter-bar {
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid #dbeafe;
  border-radius: 16px;
  background: #f8fbff;
}

.admin-form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: end;
}

.admin-form-grid .query-button {
  grid-column: 1 / -1;
}

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

.admin-form-grid-4 .query-button {
  grid-column: 1 / -1;
}

.admin-form-span-full {
  grid-column: 1 / -1;
}

.admin-textarea {
  width: 100%;
  min-height: 110px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: "Microsoft YaHei", sans-serif;
  resize: vertical;
}

.admin-form-grow {
  min-width: 0;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 22px;
  font-size: 14px;
}

.admin-table th,
.admin-table td {
  border-bottom: 1px solid #e2e8f0;
  padding: 12px 10px;
  text-align: left;
}

.admin-table th {
  color: #475569;
}

@media (max-width: 640px) {
  .maintenance-card,
  .query-card {
    padding: 24px 18px;
    border-radius: 18px;
  }

  h1 {
    font-size: 24px;
  }

  .captcha-wrap {
    grid-template-columns: 1fr;
  }

  .admin-form-inline {
    grid-template-columns: 1fr;
  }

  .admin-form-grid {
    grid-template-columns: 1fr;
  }

  .admin-form-grid-4 {
    grid-template-columns: 1fr;
  }
}