/* ============================================
   RABC 论文规范版 (Black Text & Navy Blue & Bordered)
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Helvetica Neue", "Arial", "PingFang SC", sans-serif;
  background: linear-gradient(135deg, #e0e7ff 0%, #f1f5f9 100%);
  min-height: 100vh;
  padding: 20px;
  line-height: 1.4;
  color: #000000;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

/* ============================================
   头部样式
   ============================================ */
.header {
  text-align: center;
  margin-bottom: 30px;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  font-weight: 800;
  color: #000000;
}

.header p {
  font-size: 0.5 rem; /* 统一字号 */
  color: #000000;
}

/* ============================================
   查询卡片
   ============================================ */
.query-card {
  background: #ffffff;
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  border: 2px solid #000000; /* 强化边框 */
}

/* ============================================
   步骤容器
   ============================================ */
.step-container {
  margin-bottom: 25px;
}

.step-header {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background: #1e3a8a; 
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem; /* 统一字号 */
  font-weight: 700;
  margin-right: 10px;
  border: 1px solid #000000;
}

.step-title {
  font-size: 1.15rem; /* 统一字号 */
  font-weight: 700;
  color: #000000;
}

/* ============================================
   分类网格
   ============================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.category-btn {
  padding: 12px 15px;
  border: 2px solid #000000; /* 强化边框线 */
  border-radius: 6px;
  background: #ffffff;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1.15rem; /* 统一字号 */
  color: #000000;
  font-weight: 700;
}

.category-btn.active {
  background: #1e3a8a;
  color: #ffffff;
  border-color: #000000;
}

/* ============================================
   子分类网格
   ============================================ */
.subcategory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.subcategory-btn {
  padding: 12px 16px;
  border: 2px solid #000000; /* 统一边框线 */
  border-radius: 6px;
  background: #ffffff;
  cursor: pointer;
  font-size: 1.15rem; /* 统一字号 */
  color: #000000;
  font-weight: 600;
}

.subcategory-btn.active {
  background: #3b82f6; 
  color: #ffffff;
  border-color: #000000;
}

.subcategory-count {
  font-size: 1.15rem; /* 统一字号 */
  color: inherit;
  font-weight: 400;
}

/* ============================================
   筛选条件
   ============================================ */
.filters-container {
  background: #f8fafc;
  border-radius: 6px;
  padding: 20px;
  margin-top: 15px;
  border: 2px solid #000000; /* 强化边框 */
}

.filter-label {
  display: block;
  font-weight: 700;
  color: #000000;
  margin-bottom: 8px;
  font-size: 1.15rem; /* 统一字号 */
}

.filter-input, 
.filter-select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid #000000; /* 强化边框线 */
  border-radius: 4px;
  font-size: 1.15rem; /* 统一字号 */
  color: #000000;
  background: #ffffff;
}

/* ============================================
   操作按钮
   ============================================ */
.action-buttons {
  display: flex;
  gap: 12px;
  margin-top: 25px;
}

.btn {
  flex: 1;
  padding: 14px 24px;
  border: 2px solid #000000; /* 强化边框 */
  border-radius: 6px;
  font-size: 1.15rem; /* 统一字号 */
  font-weight: 700;
  cursor: pointer;
}

.btn-primary {
  background: #1e3a8a;
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: #1e3a8a;
}

/* ============================================
   结果预览
   ============================================ */
.result-preview {
  margin-top: 20px;
  padding: 15px;
  background: #f1f5f9;
  color: #000000;
  border-radius: 6px;
  font-size: 1.15rem; /* 统一字号 */
  font-family: "Consolas", monospace;
  border: 2px solid #000000; /* 强化边框 */
  border-left-width: 8px; /* 保留左侧强调线 */
}

/* ============================================
   Select2 适配 (针对 moreselect)
   ============================================ */

/* 1. 调整选择框主体，对齐 .filter-select 样式 */
.select2-container--default .select2-selection--single {
    border: 2px solid #000000 !important; /* 强化黑边框 */
    border-radius: 4px !important;
    height: 40px !important; /* 匹配 padding 后的高度 */
    background-color: #ffffff !important;
    display: flex;
    align-items: center;
}

/* 2. 调整选中的文字样式 */
.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: #000000 !important;
    font-size: 1.15rem !important;
    font-weight: 700;
    line-height: 40px;
    padding-left: 12px !important;
}

/* 3. 调整下拉箭头 */
.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 43px !important;
    right: 8px !important;
}

/* 4. 下拉面板样式 */
.select2-dropdown {
    border: 2px solid #000000 !important;
    border-radius: 4px !important;
    z-index: 9999;
}

/* 5. 搜索框样式 */
.select2-container--default .select2-search--dropdown .select2-search__field {
    border: 2px solid #000000 !important;
    border-radius: 4px !important;
    font-size: 1.15rem !important;
}

/* 6. 选项高亮样式 (使用海军蓝 #1e3a8a) */
.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: #1e3a8a !important;
    color: #ffffff !important;
}

.select2-results__option {
    font-size: 1.15rem !important;
    padding: 10px 12px !important;
    color: #000000;
}