:root {
  --color-primary: #2B6CB0;
  --color-primary-light: #EBF4FF;
  --color-success: #38A169;
  --color-danger: #E53E3E;
  --color-warning: #ED8936;
  --color-info: #718096;
  --color-text: #1A202C;
  --color-text-secondary: #718096;
  --color-text-placeholder: #A0AEC0;
  --color-border: #E2E8F0;
  --color-bg: #F7FAFC;
  --color-card: #FFFFFF;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  width: 375px;
  min-height: 812px;
  margin: 0 auto;
  position: relative;
  overflow-x: hidden;
}
.status-bar { height: 44px; background: var(--color-card); }
.nav-bar {
  height: 44px; display: flex; align-items: center; justify-content: center;
  background: var(--color-card); font-size: 17px; font-weight: 600;
  border-bottom: 1px solid var(--color-border); position: relative;
}
.nav-bar .back { position: absolute; left: 16px; font-size: 20px; color: var(--color-text); cursor: pointer; }
.page-content { padding: 12px 16px; padding-bottom: 80px; }
.tab-bar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 375px; height: 56px; background: var(--color-card);
  display: flex; align-items: center; justify-content: space-around;
  border-top: 1px solid var(--color-border); z-index: 100;
}
.tab-item { text-align: center; font-size: 10px; color: var(--color-text-secondary); }
.tab-item.active { color: var(--color-primary); }
.tab-item .icon { font-size: 22px; margin-bottom: 2px; }
.card {
  background: var(--color-card); border-radius: var(--radius-lg);
  padding: 16px; margin-bottom: 12px; box-shadow: var(--shadow-card);
}
.section-title { font-size: 17px; font-weight: 600; margin-bottom: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; border-radius: var(--radius-md); font-size: 15px; font-weight: 500;
  border: none; cursor: pointer; padding: 0 24px;
}
.btn-primary { background: var(--color-primary); color: #fff; width: 100%; }
.btn-outline { background: #fff; color: var(--color-primary); border: 1px solid var(--color-primary); }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: var(--radius-sm);
  font-size: 11px; font-weight: 500;
}
.tag-pending { background: #FEFCBF; color: #D69E2E; }
.tag-assigned { background: #EBF4FF; color: #2B6CB0; }
.tag-repairing { background: #E9D8FD; color: #805AD5; }
.tag-verify { background: #C6F6D5; color: #38A169; }
.tag-done { background: #C6F6D5; color: #38A169; }
.tag-closed { background: #EDF2F7; color: #718096; }
.tag-urgent { background: #FED7D7; color: #E53E3E; }
.list-item {
  display: flex; align-items: center; padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.list-item:last-child { border-bottom: none; }
.empty-state {
  text-align: center; padding: 60px 20px; color: var(--color-text-placeholder);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.search-bar {
  display: flex; align-items: center; background: var(--color-card);
  border-radius: var(--radius-md); padding: 0 12px; height: 36px;
  border: 1px solid var(--color-border); margin-bottom: 12px;
}
.search-bar input { border: none; outline: none; flex: 1; font-size: 14px; }
.badge {
  position: absolute; top: -4px; right: -8px; min-width: 16px; height: 16px;
  background: var(--color-danger); color: #fff; border-radius: 8px;
  font-size: 10px; display: flex; align-items: center; justify-content: center; padding: 0 4px;
}
.order-card {
  background: var(--color-card); border-radius: var(--radius-lg);
  padding: 16px; margin-bottom: 12px; box-shadow: var(--shadow-card);
  border-left: 4px solid var(--color-primary); position: relative;
}
.order-card .order-no { font-size: 13px; color: var(--color-text-secondary); }
.order-card .device-name { font-size: 15px; font-weight: 600; margin: 4px 0; }
.order-card .info-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--color-text-secondary); margin-top: 4px; }
.order-card .tag { position: absolute; top: 16px; right: 16px; }
.form-group { margin-bottom: 16px; }
.form-label { font-size: 14px; font-weight: 500; margin-bottom: 6px; display: block; }
.form-input {
  width: 100%; height: 44px; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 0 12px; font-size: 15px;
}
.form-textarea {
  width: 100%; min-height: 100px; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 12px; font-size: 15px; resize: vertical;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.quick-entry {
  text-align: center; padding: 12px 0;
}
.quick-entry .icon { width: 48px; height: 48px; border-radius: 12px; background: var(--color-primary-light); display: flex; align-items: center; justify-content: center; margin: 0 auto 6px; font-size: 24px; }
.quick-entry .label { font-size: 12px; color: var(--color-text-secondary); }
.stat-card { text-align: center; padding: 16px 8px; }
.stat-card .value { font-size: 24px; font-weight: 700; color: var(--color-primary); }
.stat-card .label { font-size: 12px; color: var(--color-text-secondary); margin-top: 4px; }