/* ==================== 变量定义 ==================== */
:root {
  --primary: #26558D;
  --primary-dark: #1a3d6b;
  --primary-light: #e9f0f7;
  --secondary: #f59e0b;
  --text: #333333;
  --text-light: #666666;
  --text-muted: #999999;
  --bg: #ffffff;
  --bg-light: #f8f9fa;
  --bg-gray: #f0f2f5;
  --border: #e5e7eb;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(38, 85, 141, 0.15);
  --radius: 8px;
  --radius-lg: 16px;
  --header-height: 80px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.section-title .subtitle {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 6px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

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

/* ==================== 顶部导航 ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(15, 27, 46, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  z-index: 1000;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.9);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
}

.nav a:hover,
.nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 22px;
  color: #fff;
}

/* ==================== 首页 Banner ==================== */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  text-align: left;
  color: #fff;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
  z-index: -1;
}

.hero-content-wrapper {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  padding-top: var(--header-height);
}

.hero-content {
  max-width: 900px;
}

.hero-content h1 {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1s ease both;
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.95;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-content .btn {
  animation: fadeInUp 1s ease 0.4s both;
}

/* ==================== 首页业务卡片 ==================== */
.business-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: flex-start;
}

.business-cards .business-card {
  flex: 1 1 auto;
  min-width: 260px;
}

/* 根据产品数量自适应宽度，每行最多 3 个 */
.business-cards.count-1 .business-card,
.business-cards.count-2 .business-card {
  max-width: calc(50% - 15px);
}

.business-cards.count-3 .business-card,
.business-cards.count-4 .business-card,
.business-cards.count-5 .business-card,
.business-cards.count-6 .business-card,
.business-cards.count-many .business-card {
  max-width: calc(33.333% - 20px);
}

.business-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.business-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.business-card .icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 24px;
  overflow: hidden;
}

.business-card .icon img {
  width: 60%;
  height: 60%;
  object-fit: contain;
}

.business-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.business-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.business-card .link {
  font-size: 14px;
  font-weight: 500;
}

/* ==================== 关于我们模块 ==================== */
.about-section {
  background: var(--bg-light);
}

/* 关于我们页核心优势：一行三个 */
.advantage-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: flex-start;
}

.advantage-cards .business-card {
  flex: 1 1 calc(33.333% - 20px);
  min-width: 260px;
  max-width: calc(33.333% - 20px);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-light);
  line-height: 2;
  margin-bottom: 30px;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==================== 案例展示 ==================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.case-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-card:hover img {
  transform: scale(1.1);
}

.case-card .case-info {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #fff;
}

.case-card h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.case-card p {
  font-size: 13px;
  opacity: 0.9;
  line-height: 1.6;
}

/* ==================== 合作客户/合作伙伴 ==================== */
.partner-section {
  text-align: center;
  background: var(--bg);
}

.partner-desc {
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--text-light);
  line-height: 1.8;
}

.partner-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.partner-logo {
  width: 160px;
  height: 80px;
  background: var(--bg-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
  border: 1px solid var(--border);
}

/* ==================== 页面内页标题 ==================== */
.page-banner {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 27, 46, 0.55);
  z-index: 0;
}

.page-banner .container {
  position: relative;
  z-index: 1;
}

.page-banner h1 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-banner p {
  font-size: 16px;
  opacity: 0.9;
}

/* ==================== 业务产品分类切换 ==================== */
.category-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.category-tabs .tab {
  padding: 12px 32px;
  border-radius: 30px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.category-tabs .tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.category-tabs .tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ==================== 列表页 ==================== */
.list-page {
  padding: 60px 0 80px;
  background: var(--bg-light);
  min-height: 60dvh;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.list-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.list-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.list-card .card-image {
  height: 200px;
  overflow: hidden;
}

.list-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.list-card:hover .card-image img {
  transform: scale(1.08);
}

.list-card .card-body {
  padding: 24px;
}

.list-card .card-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.list-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.list-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==================== 详情页 ==================== */
.detail-page {
  padding: 60px 0 80px;
  background: var(--bg-light);
}

.detail-container {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow);
}

.detail-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.detail-header h1 {
  font-size: 28px;
  margin-bottom: 16px;
  line-height: 1.4;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.detail-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

.detail-body p {
  margin-bottom: 16px;
}

.detail-body img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 20px 0;
}

.detail-body h1,
.detail-body h2,
.detail-body h3 {
  margin: 30px 0 16px;
  color: var(--text);
}

.detail-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ==================== 招聘列表 ==================== */
.job-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.job-item {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
}

.job-item:hover {
  box-shadow: var(--shadow-hover);
}

.job-item h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.job-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.job-tag {
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  font-size: 13px;
}

.job-tag.urgent {
  background: #fee2e2;
  color: #dc2626;
}

/* ==================== 联系我们 ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: center;
}

.contact-item .icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}

.contact-item .icon svg {
  width: 22px;
  height: 22px;
}

.contact-item p {
  opacity: 0.95;
  font-size: 16px;
  margin: 0;
}

.contact-map {
  margin-top: 8px;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  min-height: 220px;
}

.contact-map iframe,
.contact-map > div,
.contact-map img {
  width: 100%;
  height: 445px;
  border: 0;
  display: block;
}

@media (max-width: 768px) {
  .contact-map iframe,
  .contact-map > div,
  .contact-map img {
    height: 360px;
  }
}

.contact-form {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(38, 85, 141, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ==================== 分页 ==================== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 50px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  border-radius: var(--radius);
  font-size: 14px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--bg);
}

.pagination a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.pagination .current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination .disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ==================== 页脚 ==================== */
.footer {
  background: #1a1a2e;
  color: #fff;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-brand .footer-logo img {
  max-height: 56px;
  width: auto;
}

.footer-brand .logo-text {
  color: #fff;
  margin-bottom: 20px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.8;
}

.footer-qrcode {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.footer-qrcode img {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  background: #fff;
  padding: 6px;
}

.footer-qrcode span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
}

.footer h4 {
  font-size: 16px;
  margin-bottom: 20px;
  color: #fff;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

/* ==================== 动画 ==================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== 右侧联系浮窗 ==================== */
.side-float {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 2px;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25));
}

.side-float-item,
.side-float-item:visited,
.side-float-item:hover {
  display: flex;
  align-items: center;
  width: 56px;
  height: 56px;
  background: rgba(15, 27, 46, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  overflow: hidden;
  transition: width 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}

.side-float-item:first-child {
  border-radius: 8px 0 0 0;
}

.side-float-item:last-child {
  border-radius: 0 0 0 8px;
}

.side-float-item:hover {
  width: 200px;
  background: rgba(15, 27, 46, 0.95);
}

/* 二维码项：悬浮时展开为卡片，同时增加宽度和高度 */
.side-float-item:last-child:hover {
  width: 200px;
  height: 200px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  gap: 6px;
}

.side-float-item:last-child:hover .side-float-icon {
  width: 40px;
  height: 40px;
}

.side-float-item:last-child:hover .side-float-qrcode-label {
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0;
  font-size: 12px;
  opacity: 1;
  transform: translateX(0);
}

.side-float-item:last-child:hover .side-float-qrcode-label img {
  width: 140px;
  height: 140px;
}

.side-float-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.side-float-icon svg {
  width: 24px;
  height: 24px;
}

.side-float-label {
  white-space: nowrap;
  padding-right: 16px;
  font-size: 14px;
  color: #fff;
  opacity: 0;
  transform: translateX(10px);
  transition: opacity 0.25s ease 0.05s, transform 0.25s ease 0.05s;
}

.side-float-item:hover .side-float-label {
  opacity: 1;
  transform: translateX(0);
}

.side-float-qrcode-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  white-space: normal;
  padding: 12px 16px 12px 0;
}

.side-float-qrcode-label img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  padding: 4px;
}

.side-float-item:hover .side-float-qrcode-label {
  opacity: 1;
  transform: translateX(0);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .business-cards,
  .case-grid,
  .list-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-content h1 {
    font-size: 44px;
  }

  .hero-content p {
    font-size: 18px;
  }

  .page-banner {
    padding: 140px 0 70px;
  }

  .page-banner h1 {
    font-size: 34px;
  }

  .business-cards .business-card,
  .business-cards.count-3 .business-card,
  .business-cards.count-4 .business-card,
  .business-cards.count-5 .business-card,
  .business-cards.count-6 .business-card,
  .business-cards.count-many .business-card,
  .advantage-cards .business-card {
    max-width: calc(50% - 15px);
    flex: 1 1 calc(50% - 15px);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .logo img {
    height: 40px;
  }

  .logo-text {
    font-size: 16px;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(15, 27, 46, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 24px;
    gap: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav.open {
    transform: translateY(0);
  }

  .nav a {
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.9);
  }

  .nav a:hover,
  .nav a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-content p {
    font-size: 16px;
  }

  .hero-content .btn {
    width: 100%;
    max-width: 280px;
  }

  .business-cards,
  .case-grid,
  .list-grid,
  .about-content,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .side-float {
    display: none;
  }

  .business-cards {
    flex-direction: column;
  }

  .business-cards .business-card,
  .business-cards.count-1 .business-card,
  .business-cards.count-2 .business-card,
  .business-cards.count-3 .business-card,
  .business-cards.count-4 .business-card,
  .business-cards.count-5 .business-card,
  .business-cards.count-6 .business-card,
  .business-cards.count-many .business-card,
  .advantage-cards .business-card {
    max-width: 100%;
    min-width: auto;
    flex: 1 1 100%;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    margin-bottom: 36px;
  }

  .section-title h2 {
    font-size: 24px;
  }

  .page-banner {
    padding: 120px 0 60px;
  }

  .page-banner h1 {
    font-size: 28px;
  }

  .detail-container {
    padding: 30px 20px;
  }

  .job-item {
    grid-template-columns: 1fr;
  }

  .category-tabs {
    flex-direction: row;
    gap: 12px;
    margin-bottom: 30px;
  }

  .category-tabs .tab {
    padding: 10px 20px;
    font-size: 14px;
    flex: 1;
    text-align: center;
    white-space: nowrap;
  }

  .contact-grid {
    gap: 30px;
  }

  .contact-info,
  .contact-form {
    padding: 28px 24px;
  }

  .footer-grid {
    gap: 30px;
  }

  .footer-bottom {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-content h1 {
    font-size: 26px;
    line-height: 1.3;
  }

  .hero-content p {
    font-size: 15px;
  }

  .btn {
    padding: 10px 24px;
    font-size: 14px;
  }

  .section-title h2 {
    font-size: 22px;
  }

  .section-title .subtitle {
    font-size: 12px;
  }

  .business-card {
    padding: 28px 22px;
  }

  .business-card .icon {
    width: 56px;
    height: 56px;
    font-size: 24px;
  }

  .business-card h3 {
    font-size: 18px;
  }

  .business-card p {
    font-size: 13px;
  }

  .page-banner h1 {
    font-size: 24px;
  }

  .page-banner p {
    font-size: 14px;
  }

  .list-card .card-image {
    height: 160px;
  }

  .detail-container {
    padding: 24px 16px;
  }

  .detail-body {
    font-size: 15px;
  }

  .detail-nav {
    flex-direction: column;
    gap: 12px;
  }

  .pagination a,
  .pagination span {
    min-width: 36px;
    height: 36px;
    font-size: 13px;
  }
}
/* ===== HR-Systems 统一设计令牌 (Phase A · 2026-08-25) =====
   纯增量、可一键回退：仅设置装饰性属性，不改变布局/事件/数据。 */
:root{
  --brand:#2563eb; --brand-600:#1d4ed8; --brand-700:#1e40af; --brand-50:#eff6ff;
  --accent:#7c3aed; --accent-50:#f5f3ff;
  --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
  --ink:#0f172a; --body:#334155; --muted:#64748b;
  --line:#e2e8f0; --line-2:#cbd5e1;
  --bg:#f8fafc; --surface:#ffffff; --surface-2:#f1f5f9;
  --r-xs:6px; --r-sm:8px; --r:12px; --r-lg:16px; --r-xl:20px;
  --sh-1:0 1px 2px rgba(15,23,42,.04),0 1px 3px rgba(15,23,42,.06);
  --sh-2:0 4px 14px rgba(15,23,42,.08);
  --f-zh:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
body{font-family:var(--f-zh);color:var(--body);background:var(--bg);-webkit-font-smoothing:antialiased;}
button,input,select,textarea,table,code,th,td{font-family:inherit;}
a{color:var(--brand);}
button,.btn{border-radius:var(--r-sm);cursor:pointer;transition:border-color .15s,background .15s,box-shadow .15s;}
input[type=text],input[type=password],input[type=email],input[type=search],input[type=number],input[type=date],select,textarea{
  border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);
  padding:8px 10px;transition:border-color .15s,box-shadow .15s;}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-50);outline:none;}
.card,.panel,.box,.module,.widget{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);}
table{border-collapse:collapse;width:100%;}
th,td{border:1px solid var(--line);padding:8px 10px;color:var(--body);vertical-align:top;}
th{background:var(--surface-2);color:var(--ink);font-weight:600;text-align:left;}
.btn-primary,button.primary{background:var(--brand);border:1px solid var(--brand);color:#fff;}
.btn-primary:hover,button.primary:hover{background:var(--brand-600);}


/* == HR-Systems UI 阶段 B（组件级精修） == */
/* === 阶段 B：组件级精修 · 安全增量 CSS === */
/* 仅新增类/状态，不覆盖已有业务选择器，零功能风险 */

/* 页面标题 */
.page-title,.page-heading{font-size:1.5rem;font-weight:700;color:var(--ink);margin-bottom:1rem;line-height:1.3;}
.page-title small,.page-heading small{display:block;font-size:.85rem;font-weight:400;color:var(--muted);margin-top:.25rem;}

/* 统计卡片 */
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.25rem;box-shadow:var(--sh-1);transition:transform .15s,box-shadow .15s;}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.stat-card .value{font-size:1.75rem;font-weight:700;color:var(--ink);line-height:1.2;}
.stat-card .label{font-size:.875rem;color:var(--muted);margin-top:.25rem;}
.stat-card .icon{width:40px;height:40px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;background:var(--brand-50);color:var(--brand);margin-bottom:.75rem;}

/* 表单标签 */
.form-label,.label{font-size:.875rem;font-weight:500;color:var(--ink);margin-bottom:.375rem;display:block;}
.form-label.required::after,.label.required::after{content:"*";color:var(--danger);margin-left:2px;}

/* 空状态 */
.empty-state{text-align:center;padding:2.5rem 1rem;color:var(--muted);}
.empty-state .icon{font-size:2.5rem;color:var(--line-2);margin-bottom:.75rem;}
.empty-state .title{font-size:1rem;font-weight:600;color:var(--ink);margin-bottom:.25rem;}

/* 表格行悬停 */
table tbody tr{transition:background .12s;}
table tbody tr:hover{background:var(--surface-2);}

/* 按钮焦点环强化 */
button:focus-visible,.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:0 0 0 3px var(--brand-50);}

/* 链接下划线 */
a:hover{text-decoration:underline;}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--muted);margin-bottom:1rem;}
.breadcrumb a{color:var(--brand);text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}
.breadcrumb .sep{color:var(--line-2);}