/* ===== purchase-info.css ===== */
/* 求购信息列表页样式（头部/底部使用 common/site_header + site_footer + style.css） */

*, *::before, *::after { box-sizing: border-box; }

body.page-purchase {
  background: #f8f9fa;
  color: #1f2937;
}

/* ===== 主内容 ===== */
.pi-main {
  padding: 32px 0 60px;
}

.pi-container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 面包屑 */
.pi-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
}

.bc-link {
  color: #43474f;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.bc-link:hover { color: #002b5c; }

.bc-arrow {
  width: 6px;
  height: 8px;
  object-fit: contain;
  opacity: 0.4;
}

.bc-current { color: #001736; font-weight: 700; }

/* 筛选区 */
.pi-filters {
  background: #fff;
  border: 1px solid #c4c6d0;
  border-radius: 4px;
  padding: 24px 25px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.pi-filter-row {
  display: flex;
  align-items: center;
  gap: 32px;
}

.pi-filter-label {
  font-size: 14px;
  font-weight: 700;
  color: #191c1d;
  white-space: nowrap;
  width: 64px;
  flex-shrink: 0;
}

.pi-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.pi-fopt {
  font-size: 14px;
  font-weight: 500;
  color: #43474f;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  transition: color 0.2s;
}

.pi-fopt:hover { color: #001736; }

.pi-fopt.active {
  color: #001736;
  font-weight: 700;
}

/* 排序栏 */
.pi-sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: 10px 16px;
}

.pi-sort-tabs {
  display: flex;
  gap: 4px;
}

.pi-sort-tab {
  padding: 7px 20px;
  border-radius: 4px;
  border: none;
  background: transparent;
  font-size: 14px;
  color: #374151;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pi-sort-tab:hover { background: #f3f4f6; }

.pi-sort-tab.active {
  background: #002b5c;
  color: #fff;
  font-weight: 600;
}

.pi-urgent-tab { color: #dc2626; }
.pi-urgent-tab.active { background: #dc2626; color: #fff; }

.tab-fire-icon { width: 14px; height: 14px; }

.pi-result-count {
  font-size: 14px;
  color: #6b7280;
}

.pi-result-count strong { color: #001736; }

/* 求购卡片 */
.pi-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pi-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: box-shadow 0.2s;
}

.pi-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }

.pi-card-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pi-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pi-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.pi-badge-urgent {
  background: #dc2626;
  color: #fff;
}

.pi-badge-normal {
  background: #002b5c;
  color: #fff;
}

.pi-card-title {
  font-size: 16px;
  font-weight: 700;
  color: #001736;
  margin: 0;
  line-height: 1.4;
}

.pi-card-info {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.pi-budget { color: #374151; }
.pi-budget strong { color: #dc2626; }
.budget-discuss { color: #6b7280; }
.budget-high { color: #059669; }

.pi-location {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #43474f;
}

.pi-location img { width: 13px; height: 13px; opacity: 0.6; }

.pi-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: #6b7280;
}

.btn-pi-contact {
  padding: 10px 24px;
  background: #002b5c;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  transition: background 0.2s;
  flex-shrink: 0;
}

.btn-pi-contact:hover { background: #004080; }

.btn-pi-contact.copied {
  background: #059669;
}

.btn-pi-contact-disabled {
  background: #94a3b8;
  cursor: not-allowed;
  pointer-events: none;
}

/* 空状态 */
.pi-empty {
  text-align: center;
  padding: 64px 24px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.pi-empty p {
  font-size: 16px;
  color: #64748b;
  margin-bottom: 20px;
}

.btn-pi-post {
  display: inline-block;
  padding: 12px 28px;
  background: #002b5c;
  color: #fff;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.btn-pi-post:hover { background: #004080; color: #fff; }

/* 分页 */
.pi-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 0;
}

.pp-btn {
  width: 36px;
  height: 36px;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  background: #fff;
  font-size: 14px;
  color: #374151;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-family: inherit;
}

.pp-btn:hover:not(:disabled) { border-color: #002b5c; color: #002b5c; }

.pp-btn.active {
  background: #002b5c;
  border-color: #002b5c;
  color: #fff;
  font-weight: 700;
}

.pp-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pp-ellipsis { font-size: 14px; color: #94a3b8; padding: 0 4px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .pi-filter-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .pi-filter-options { gap: 12px; flex-wrap: wrap; }
  .pi-sort-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .pi-card { flex-direction: column; align-items: flex-start; }
  .pi-card-meta { flex-direction: column; gap: 4px; }
  .btn-pi-contact { width: 100%; text-align: center; }
  .pi-container { padding: 0 16px; }
}

@media (max-width: 480px) {
  .pi-card { padding: 16px; gap: 12px; }
  .pi-card-title { font-size: 16px; }
  .pi-card-desc { font-size: 13px; }
  .pi-tag { font-size: 11px; padding: 2px 8px; }
  .pi-card-meta { font-size: 12px; }
  .btn-pi-contact { padding: 10px 16px; font-size: 14px; }
  .pi-filter-option { font-size: 13px; }
  .pi-sort-tab { font-size: 13px; padding: 4px 10px; }
}