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

:root {
  --bg-color: #faf8f5;
  --text-primary: #4d3f3f;
  --text-secondary: #6b6b6b;
  --green-accent: #7d9b76;
  --green-dark: #5a7a54;
  --green-light: #e8f0e6;
  --card-bg: #ffffff;
  --shadow: rgba(0, 0, 0, 0.08);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --purple: #7c6cf0;
  --purple-dark: #6454d4;
  --orange: #6366f1;
  --orange-dark: #4f46e5;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 20px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
  font-size: 24px;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.logo:hover {
  color: var(--green-accent);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  transition: var(--transition);
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--green-accent);
}

.login-btn {
  background-color: var(--green-accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 500;
}

.login-btn:hover {
  background-color: var(--green-dark);
}

.profile-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.profile-btn:hover {
  background-color: var(--green-light);
  color: var(--green-accent);
}

.cart-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.cart-btn:hover {
  background-color: var(--green-light);
  color: var(--green-accent);
}

.page-hero {
  margin-top: 80px;
  padding: 40px 0 30px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

.page-hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 300;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.page-hero p {
  font-size: 16px;
  color: var(--text-secondary);
}

.positions-intro {
  padding: 20px 0 10px;
  text-align: center;
}

.positions-intro h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 400;
  margin-bottom: 8px;
}

.intro-desc {
  color: var(--text-secondary);
  font-size: 15px;
}

.positions-section {
  padding: 30px 0 60px;
}

.positions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.position-card {
  background: var(--card-bg);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.position-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.position-header {
  padding: 32px 28px 24px;
  position: relative;
  color: #fff;
}

.position-card.featured .position-header {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%);
}

.position-card.recommended .position-header {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
}

.position-icon {
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.position-price {
  position: absolute;
  top: 44px;
  right: 28px;
  text-align: right;
}

.price-original {
  display: block;
  font-size: 14px;
  text-decoration: line-through;
  opacity: 0.7;
}

.price-current {
  display: block;
  font-size: 22px;
  font-weight: 600;
}

.position-badge {
  position: absolute;
  top: 16px;
  right: 28px;
  padding: 3px 12px;
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
}

.position-badge.recommend-badge {
  background: rgba(255, 215, 0, 0.3);
}

.position-header h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 6px;
}

.position-subtitle {
  font-size: 14px;
  opacity: 0.85;
}

.position-body {
  padding: 24px 28px;
  flex: 1;
}

.position-feature {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}

.position-feature:last-child {
  margin-bottom: 0;
}

.feature-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  margin-top: 2px;
}

.position-card.featured .feature-icon {
  background: var(--green-light);
  color: var(--green-accent);
}

.position-card.recommended .feature-icon {
  background: #eef2ff;
  color: var(--orange);
}

.position-feature strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.position-feature p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.position-footer {
  padding: 0 28px 28px;
}

.apply-btn {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 16px;
}

.position-card.featured .apply-btn {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%);
}

.position-card.featured .apply-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 108, 240, 0.35);
}

.position-card.recommended .apply-btn {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
}

.position-card.recommended .apply-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.position-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 13px;
  color: var(--text-secondary);
}

.apply-section {
  padding: 20px 0 80px;
}

.apply-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 48px;
  box-shadow: 0 4px 24px var(--shadow);
  text-align: center;
}

.apply-card h2 {
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 12px;
}

.apply-card > p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 32px;
}

.apply-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.apply-item {
  text-align: center;
  padding: 20px;
  background: var(--bg-color);
  border-radius: 10px;
}

.apply-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.apply-value {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

.login-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.login-modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--card-bg);
  border-radius: 12px;
  padding: 48px 40px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  animation: fadeInUp 0.3s ease-out;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

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

.modal-content h2 {
  font-size: 28px;
  font-weight: 300;
  margin-bottom: 32px;
  text-align: center;
  letter-spacing: 1px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
  background: var(--bg-color);
}

.form-group input:focus {
  border-color: var(--green-accent);
  box-shadow: 0 0 0 3px rgba(125, 155, 118, 0.15);
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background-color: var(--green-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
}

.submit-btn:hover {
  background-color: var(--green-dark);
}

.login-hint {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 20px;
  opacity: 0.7;
}

.apply-modal-content {
  max-width: 520px;
}

.apply-position-name {
  text-align: center;
  font-size: 14px;
  color: var(--green-accent);
  margin-top: -20px;
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
  background: var(--bg-color);
  font-family: inherit;
  resize: vertical;
}

.form-group textarea:focus {
  border-color: var(--green-accent);
  box-shadow: 0 0 0 3px rgba(125, 155, 118, 0.15);
}

.apply-submit-btn {
  background: linear-gradient(135deg, var(--green-accent) 0%, var(--green-dark) 100%);
}

.apply-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(125, 155, 118, 0.3);
}

.copyright-bar {
  padding: 20px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  text-align: center;
}

.copyright-bar p {
  font-size: 13px;
  color: var(--text-secondary);
  opacity: 0.7;
  margin-bottom: 4px;
}

.copyright-bar a {
  color: var(--text-secondary);
  text-decoration: none;
}

.copyright-bar a:hover {
  color: var(--green-accent);
}

.bottom-nav {
  padding: 60px 0 40px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.bottom-nav-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 40px;
}

.nav-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
}

.nav-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 1px;
  transition: var(--transition);
}

.nav-column:hover .nav-title {
  color: var(--green-accent);
}

.nav-sub {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.nav-sub:hover {
  color: var(--text-primary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 300;
  letter-spacing: 2px;
}

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

.footer-copyright p {
  font-size: 13px;
  color: var(--text-secondary);
  opacity: 0.7;
  margin-bottom: 4px;
}

.footer-copyright a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-copyright a:hover {
  color: var(--green-accent);
}

.social-links {
  display: flex;
  gap: 24px;
}

.social-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
  opacity: 0.7;
}

.social-links a:hover {
  opacity: 1;
  color: var(--green-accent);
}

footer {
  background-color: #f0ece6;
  color: var(--text-primary);
  padding: 40px 0;
  text-align: center;
}

footer p {
  font-size: 14px;
  opacity: 0.7;
  margin-bottom: 8px;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

footer a:hover {
  color: var(--green-accent);
}

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

@media (max-width: 768px) {
  .header-nav {
    gap: 16px;
  }

  .header-nav a:not(.login-btn) {
    display: none;
  }

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

  .apply-info {
    grid-template-columns: 1fr;
  }

  .apply-card {
    padding: 32px 24px;
  }

  .position-header {
    padding: 24px 20px 20px;
  }

  .position-body {
    padding: 20px;
  }

  .position-footer {
    padding: 0 20px 20px;
  }
}