/* ==========================================================================
   外包项目服务 - 亮蓝色经典风格样式表 (HTML+CSS+jQuery)
   风格特点：板正大气、结构分明、明亮科技蓝、高易用性与响应式适配
   ========================================================================== */

:root {
  --primary: #1677ff;
  --primary-hover: #0958d9;
  --primary-active: #003eb3;
  --primary-light: #e6f4ff;
  --primary-subtle: #f0f7ff;
  
  --secondary: #0ea5e9;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --price-color: #ff5722;
  
  --text-main: #1e293b;
  --text-sub: #475569;
  --text-muted: #8c9ba5;
  --text-light: #ffffff;
  
  --bg-page: #f4f7fb;
  --bg-card: #ffffff;
  --bg-header: #ffffff;
  --bg-nav: #1677ff;
  
  --border-color: #e2e8f0;
  --border-light: #edf2f7;
  --border-active: #91caff;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(22, 119, 255, 0.08);
  --shadow-lg: 0 8px 24px rgba(22, 119, 255, 0.12);
  
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-pill: 999px;
  
  --container-width: 1200px;
}

/* 基础重置 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--primary);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* 容器与版心 */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
}

/* 顶部通用顶条 */
.top-bar {
  background-color: #f8fafc;
  border-bottom: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-sub);
  height: 36px;
  line-height: 36px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar a {
  color: var(--text-sub);
}

.top-bar a:hover {
  color: var(--primary);
}

.top-bar-left span {
  margin-right: 20px;
}

.top-bar-left .notice-tag {
  background-color: var(--primary-light);
  color: var(--primary);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  margin-right: 6px;
  font-weight: 500;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-bar-right .divider {
  width: 1px;
  height: 12px;
  background-color: var(--border-color);
}

/* 主头部 */
.main-header {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 18px 0;
}

.main-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* 网站Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #1677ff 0%, #0050b3 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 22px;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(22, 119, 255, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 0.5px;
}

.logo-title span {
  color: var(--primary);
}

.logo-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* 头部搜索框 */
.header-search {
  flex: 1;
  max-width: 520px;
}

.search-input-group {
  display: flex;
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
}

.search-category-select {
  border: none;
  background-color: #f8fafc;
  padding: 0 12px;
  color: var(--text-sub);
  border-right: 1px solid var(--border-color);
  cursor: pointer;
  font-size: 13px;
}

.search-input {
  flex: 1;
  padding: 10px 14px;
  border: none;
  color: var(--text-main);
  font-size: 14px;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-btn {
  background-color: var(--primary);
  color: #ffffff;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background-color 0.2s;
}

.search-btn:hover {
  background-color: var(--primary-hover);
}

.hot-keywords {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  align-items: center;
}

.hot-keywords a {
  color: var(--text-sub);
}

.hot-keywords a:hover {
  color: var(--primary);
}

/* 头部操作按钮 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  transition: all 0.2s ease;
  line-height: 1.4;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(22, 119, 255, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #ffffff;
}

.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
  background-color: #ffffff;
}

.btn-outline:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

.btn-light {
  background-color: #f1f5f9;
  color: var(--text-sub);
}

.btn-light:hover {
  background-color: #e2e8f0;
  color: var(--text-main);
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-lg {
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 600;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* 主导航栏 - 亮蓝色经典板正风格 */
.main-nav {
  background-color: var(--bg-nav);
  box-shadow: 0 2px 8px rgba(22, 119, 255, 0.2);
}

.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 14px 22px;
  color: #ffffff;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: background-color 0.2s;
}

.nav-link:hover,
.nav-item.active .nav-link {
  background-color: rgba(0, 0, 0, 0.15);
  color: #ffffff;
}

.nav-badge {
  background-color: #ff4d4f;
  color: #ffffff;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: var(--radius-pill);
  margin-left: 4px;
  vertical-align: middle;
}

.nav-quick-post {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #ffffff;
  font-size: 13px;
}

.nav-quick-post a {
  color: #fff;
  background-color: #ff9800;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 2px 5px rgba(255, 152, 0, 0.3);
}

.nav-quick-post a:hover {
  background-color: #f57c00;
  color: #ffffff;
}

/* 页面主要区域 */
.main-content {
  flex: 1;
  padding: 24px 0 40px;
}

/* 面包屑导航 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  background-color: #ffffff;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.breadcrumb a {
  color: var(--text-sub);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .separator {
  color: var(--border-color);
}

.breadcrumb .current {
  color: var(--primary);
  font-weight: 500;
}

/* 卡片通用板正容器 */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fafbfd;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background-color: var(--primary);
  border-radius: 2px;
}

.card-extra {
  font-size: 13px;
  color: var(--text-sub);
}

.card-extra a {
  color: var(--primary);
}

.card-body {
  padding: 20px;
}

/* 标签 Tags & Badges */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.tag-blue {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid #bae0ff;
}

.tag-green {
  background-color: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}

.tag-orange {
  background-color: #fff7ed;
  color: #ea580c;
  border: 1px solid #fed7aa;
}

.tag-gray {
  background-color: #f1f5f9;
  color: #64748b;
  border: 1px solid #e2e8f0;
}

.price-text {
  color: var(--price-color);
  font-weight: 700;
}

.price-lg {
  font-size: 22px;
}

.price-sm {
  font-size: 16px;
}

/* 通用列表项 - 项目卡片样式 (严谨板正) */
.project-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.2s ease;
  background: #fff;
}

.project-list-item:hover {
  background-color: #f8fbff;
}

.project-list-item:last-child {
  border-bottom: none;
}

.project-item-main {
  flex: 1;
  padding-right: 24px;
}

.project-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.project-title {
  font-size: 16px;
  font-weight: 600;
  color: #0f172a;
}

.project-title:hover {
  color: var(--primary);
}

.project-desc {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.project-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

.project-meta-row span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.project-item-side {
  text-align: right;
  min-width: 170px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.project-bid-count {
  font-size: 12px;
  color: var(--text-sub);
}

.project-bid-count strong {
  color: var(--primary);
}

/* 分页控件 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px 0 10px;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  background-color: #ffffff;
  color: var(--text-main);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.page-link:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.page-link.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
}

.page-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  border-color: var(--border-color);
  color: var(--text-muted);
}

/* 通用表单控件 */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 8px;
}

.form-label .required {
  color: var(--danger);
  margin-right: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-main);
  background-color: #ffffff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.15);
}

.form-control::placeholder {
  color: var(--text-muted);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 5px;
}

/* 通用弹窗 Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  backdrop-filter: blur(2px);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 560px;
  overflow: hidden;
  transform: translateY(-20px);
  transition: transform 0.25s ease;
  border: 1px solid var(--border-color);
}

.modal-overlay.show .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  padding: 16px 20px;
  background-color: #f8fafc;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 24px 20px;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 14px 20px;
  background-color: #f8fafc;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* Toast 提示浮窗 */
.toast-notice {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background-color: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  border-left: 4px solid var(--primary);
  padding: 12px 24px;
  font-size: 14px;
  color: var(--text-main);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notice.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.toast-success {
  border-left-color: var(--success);
}

.toast-error {
  border-left-color: var(--danger);
}

/* 网站页脚 */
.site-footer {
  background-color: #1e293b;
  color: #cbd5e1;
  font-size: 13px;
  margin-top: auto;
  border-top: 3px solid var(--primary);
}

.footer-top {
  padding: 40px 0 30px;
  border-bottom: 1px solid #334155;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 32px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background-color: var(--primary);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: #94a3b8;
  transition: color 0.2s;
}

.footer-col ul li a:hover {
  color: #38bdf8;
}

.footer-about p {
  color: #94a3b8;
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 14px;
}

.footer-contact .phone {
  font-size: 20px;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 6px;
}

.footer-contact .time {
  color: #94a3b8;
  font-size: 12px;
  margin-bottom: 10px;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: #64748b;
  background-color: #0f172a;
}

.footer-bottom a {
  color: #64748b;
  margin: 0 8px;
}

.footer-bottom a:hover {
  color: #cbd5e1;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .header-search {
    max-width: 320px;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .main-header .container {
    flex-wrap: wrap;
  }
  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
    margin-top: 12px;
  }
  .main-nav .container {
    overflow-x: auto;
  }
  .nav-menu {
    white-space: nowrap;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .project-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .project-item-side {
    align-items: flex-start;
    text-align: left;
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
  }
}