/* ==================== 基础样式 ==================== */
:root {
  --primary-color: #FF6B35;
  --secondary-color: #004E89;
  --accent-color: #1A936F;
  --dark-color: #1a1a2e;
  --light-color: #f8f9fa;
  --text-color: #333;
  --text-light: #666;
  --white: #fff;
  --gray: #6c757d;
  --border-radius: 8px;
  --box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--light-color);
}

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

/* ==================== 导航栏 ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  z-index: 1000;
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-brand i {
  font-size: 1.5rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-color);
  cursor: pointer;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-color);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* ==================== Hero区域 ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-color) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--white);
  padding: 100px 20px 60px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 500;
}

.hero-desc {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 40px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  display: inline-block;
}

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

.btn-primary:hover {
  background: #e55a2b;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255,107,53,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--secondary-color);
}

/* Hero统计 */
.hero-stats {
  position: relative;
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 20px;
  z-index: 2;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  min-width: 100px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.9;
  margin-top: 5px;
}

/* ==================== 通用区块样式 ==================== */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--dark-color);
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 2px;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-top: 20px;
}

.section-header.light h2 {
  color: var(--white);
}

.section-header.light p {
  color: rgba(255,255,255,0.8);
}

/* ==================== 关于我们 ==================== */
.about {
  background: var(--white);
}

.about-content {
  display: grid;
  gap: 60px;
}

.about-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.info-card {
  background: var(--light-color);
  padding: 40px;
  border-radius: var(--border-radius);
}

.info-card h3 {
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.info-card p {
  color: var(--text-light);
  margin-bottom: 15px;
  line-height: 1.8;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.info-item {
  background: var(--white);
  padding: 25px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.info-item:hover {
  transform: translateY(-5px);
}

.info-item i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.info-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 5px;
}

.info-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-color);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  text-align: center;
  padding: 40px 30px;
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), #ff8c5a);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature-icon i {
  font-size: 2rem;
  color: var(--white);
}

.feature-card h4 {
  font-size: 1.2rem;
  color: var(--dark-color);
  margin-bottom: 15px;
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ==================== 业务介绍 ==================== */
.business {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-color) 100%);
}

.business-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 15px 40px;
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.2);
  color: var(--white);
  border-radius: 50px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.business-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 50px;
  display: flex;
  gap: 50px;
  align-items: flex-start;
}

.business-icon {
  width: 120px;
  height: 120px;
  background: var(--primary-color);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.business-icon i {
  font-size: 3rem;
  color: var(--white);
}

.business-detail h3 {
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 20px;
}

.business-detail p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 25px;
  line-height: 1.8;
}

.business-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.business-list li {
  color: rgba(255,255,255,0.9);
  display: flex;
  align-items: center;
  gap: 10px;
}

.business-list i {
  color: var(--primary-color);
}

.cooperation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.cooperation-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 40px;
  transition: var(--transition);
}

.cooperation-card:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,0.15);
}

.cooperation-logo {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.cooperation-logo i {
  font-size: 2.5rem;
}

.meituan .cooperation-logo i {
  color: #FFD100;
}

.jd .cooperation-logo i {
  color: #E4393C;
}

.cooperation-logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.cooperation-card h4 {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.cooperation-card p {
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 20px;
}

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

.tag {
  padding: 8px 20px;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--white);
}

/* ==================== 招聘岗位 ==================== */
.jobs {
  background: var(--light-color);
}

.jobs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 80px;
}

.job-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.job-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.job-header {
  background: linear-gradient(135deg, var(--secondary-color), var(--dark-color));
  color: var(--white);
  padding: 30px;
  position: relative;
}

.job-category {
  display: inline-block;
  padding: 5px 15px;
  background: var(--primary-color);
  border-radius: 20px;
  font-size: 0.85rem;
  margin-bottom: 15px;
}

.job-header h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.job-salary {
  font-size: 1.2rem;
  color: var(--primary-color);
  font-weight: 600;
}

.job-service-count {
  position: absolute;
  top: 30px;
  right: 30px;
  text-align: center;
}

.job-service-count .count {
  font-size: 2rem;
  font-weight: 700;
  display: block;
}

.job-service-count .label {
  font-size: 0.8rem;
  opacity: 0.8;
}

.job-body {
  padding: 30px;
}

.job-section {
  margin-bottom: 20px;
}

.job-section:last-child {
  margin-bottom: 0;
}

.job-section h4 {
  font-size: 1rem;
  color: var(--secondary-color);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.job-section p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.job-footer {
  padding: 20px 30px;
  border-top: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.job-btn {
  padding: 10px 30px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.job-btn:hover {
  background: #e55a2b;
}

.jobs-benefits {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 50px;
  box-shadow: var(--box-shadow);
}

.jobs-benefits h3 {
  text-align: center;
  font-size: 1.8rem;
  color: var(--dark-color);
  margin-bottom: 40px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.benefit-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--light-color);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.benefit-item:hover {
  background: var(--primary-color);
  color: var(--white);
}

.benefit-item:hover i {
  color: var(--white);
}

.benefit-item i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
  transition: var(--transition);
}

.benefit-item span {
  display: block;
  font-weight: 500;
}

/* ==================== 合作伙伴 ==================== */
.partners {
  background: var(--white);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.partner-card {
  background: var(--light-color);
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
}

.partner-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
}

.partner-logo {
  width: 100px;
  height: 100px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--box-shadow);
  font-size: 2.5rem;
}

.partner-card.meituan .partner-logo {
  color: #FFD100;
}

.partner-card.jd .partner-logo {
  color: #E4393C;
}

.partner-card.jddj .partner-logo {
  color: #009E4D;
}

.partner-card.taobao .partner-logo {
  color: #FF5000;
}

.partner-card h4 {
  font-size: 1.3rem;
  color: var(--dark-color);
  margin-bottom: 10px;
}

.partner-type {
  display: inline-block;
  padding: 5px 15px;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 20px;
  font-size: 0.85rem;
  margin-bottom: 15px;
}

.partner-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==================== 联系我们 ==================== */
.contact {
  background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
}

.contact-content {
  display: grid;
  gap: 50px;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.contact-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-5px);
}

.contact-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.contact-card h4 {
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 15px;
}

.contact-card p {
  color: rgba(255,255,255,0.9);
  font-size: 1rem;
  margin-bottom: 5px;
}

.contact-note {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  margin-top: 10px;
}

.contact-hours {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
}

.contact-hours i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.contact-hours h4 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 15px;
}

.contact-hours p {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
}

/* ==================== 页脚 ==================== */
.footer {
  background: #0f0f1e;
  color: var(--white);
  padding: 60px 0 30px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
}

.footer-brand i {
  color: var(--primary-color);
  font-size: 1.5rem;
}

.footer-info {
  text-align: center;
}

.footer-info p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  margin-bottom: 5px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
  .about-info {
    grid-template-columns: 1fr;
  }
  
  .about-features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .business-card {
    flex-direction: column;
    text-align: center;
  }
  
  .business-icon {
    margin: 0 auto;
  }
  
  .business-list {
    grid-template-columns: 1fr;
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .cooperation-grid {
    grid-template-columns: 1fr;
  }
  
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-info {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transform: translateY(-150%);
    transition: var(--transition);
  }
  
  .nav-menu.active {
    transform: translateY(0);
  }
  
  .nav-menu li {
    border-bottom: 1px solid #eee;
  }
  
  .nav-menu a {
    display: block;
    padding: 15px 0;
  }
  
  .hero {
    padding: 80px 15px 30px;
    min-height: auto;
  }
  
  .hero-content {
    padding: 0 15px;
  }
  
  .hero h1 {
    font-size: 1.6rem;
    margin-bottom: 10px;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 10px;
  }
  
  .hero-desc {
    font-size: 0.85rem;
    margin-bottom: 20px;
    line-height: 1.5;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }
  
  .hero-buttons .btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 1rem;
  }
  
  .hero-stats {
    margin-top: 30px;
    gap: 15px;
    padding: 15px 10px;
  }
  
  .stat-item {
    min-width: 70px;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.75rem;
  }
  
  section {
    padding: 60px 0;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .business-tabs {
    flex-direction: column;
    align-items: center;
  }
  
  .tab-btn {
    width: 200px;
  }
  
  .business-card {
    padding: 30px 20px;
  }
  
  .jobs-grid {
    grid-template-columns: 1fr;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 80px 15px 30px;
  }
  
  .hero h1 {
    font-size: 1.6rem;
  }
  
  .hero-subtitle {
    font-size: 0.9rem;
  }
  
  .hero-desc {
    font-size: 0.85rem;
  }
  
  .btn {
    padding: 10px 25px;
    font-size: 0.95rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    padding: 0 20px;
    gap: 10px;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .hero-stats {
    gap: 15px;
    margin-top: 30px;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.75rem;
  }
  
  .job-header {
    padding: 20px;
  }
  
  .job-service-count {
    position: static;
    margin-top: 15px;
    text-align: left;
  }
  
  .jobs-benefits {
    padding: 30px 20px;
  }
}