/* 代理版 — 蓝色主题 */
:root {
  --bg: #f0f4f8;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent: #0ea5e9;
  --header-gradient: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #0ea5e9 100%);
  --header-shadow: 0 2px 16px rgba(37, 99, 235, 0.3);
  --calc-bg: linear-gradient(180deg, #dbeafe 0%, #eff6ff 40%, #f0f4f8 100%);
  --calc-border: #bfdbfe;
  --calc-card-head: linear-gradient(90deg, #eff6ff, #f8fafc);
  --calc-hero: linear-gradient(135deg, #1e40af, #2563eb 55%, #0ea5e9);
  --role-bar-bg: #ede9fe;
  --role-bar-color: #7c3aed;
  --chip-gradient: linear-gradient(135deg, #2563eb, #0ea5e9);
  --chip-gradient-hover: linear-gradient(135deg, #1d4ed8, #0284c7);
}

.header {
  background: var(--header-gradient) !important;
  box-shadow: var(--header-shadow) !important;
}

.search-page-header {
  background: var(--header-gradient) !important;
  box-shadow: var(--header-shadow) !important;
}

.role-bar { background: var(--role-bar-bg); color: var(--role-bar-color); }

.calc-page .calc-frame-wrap { background: var(--calc-bg) !important; }

.preset-chip.calc-chip {
  background: var(--chip-gradient) !important;
  border-color: #2563eb !important;
}

.preset-chip.calc-chip:hover {
  background: var(--chip-gradient-hover) !important;
  border-color: #1d4ed8 !important;
}

.preset-chip.back-chip {
  background: #eff6ff;
  border-color: #93c5fd;
  color: var(--primary-dark);
  font-weight: 600;
}