/* Cooperation Page Styles */

/* 基础样式 */
.cooperation-page {
  overflow-x: hidden;
}

/* 动画类 */
.animate-slide-left {
  opacity: 0;
  transform: translateX(-50px);
}

.animate-slide-right {
  opacity: 0;
  transform: translateX(50px);
}

.animate-slide-up {
  opacity: 0;
  transform: translateY(50px);
}

.animate-fade-in {
  opacity: 0;
}

.animate-scale-up {
  opacity: 0;
  transform: scale(0.9);
}

.animate-bounce {
  opacity: 0;
  transform: translateY(20px);
}

/* Hero Section */
.cooperation-hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  position: relative;
  /* width: 100vw; */
  margin-left: calc(-50vw + 50%);
  color: #2c3e50;
}

.cooperation-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e9ecef" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-description {
  font-size: 1.1rem;
  color: #6c757d;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-description strong {
  color: #e74c3c;
  font-weight: 600;
}

.hero-image {
  position: relative;
  z-index: 2;
}

.hero-image img {
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Section Headers */
.section-header {
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: #6c757d;
  max-width: 600px;
  margin: 0 auto;
}

/* Why Partner Section */
.why-partner-section {
  padding: 80px 0;
  background: #fff;
}

.advantage-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  height: 100%;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.advantage-card .card-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #D7183D 0%, #B91530 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.advantage-card .card-icon i {
  font-size: 2rem;
  color: white;
}

.advantage-card h4 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.advantage-card p {
  color: #6c757d;
  line-height: 1.6;
  margin: 0;
}

/* Cooperation Opportunities Section */
.cooperation-opportunities {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.cooperation-intro-image {
  margin: 2rem 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cooperation-intro-image img {
  border-radius: 15px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.cooperation-bottom-image {
  border-radius: 15px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  max-width: 800px;
}

.opportunities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.opportunity-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  padding: 2rem;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.opportunity-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.opportunity-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #19a657 0%, #16a085 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.opportunity-icon i {
  font-size: 1.5rem;
  color: white;
}

.opportunity-card h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.opportunity-card p {
  color: #6c757d;
  line-height: 1.6;
  margin: 0;
}

/* Global Vision Section */
.global-vision-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.vision-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1.5rem;
}

.vision-description {
  font-size: 1.2rem;
  color: #6c757d;
  line-height: 1.8;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.vision-features {
  display: flex;
  flex-direction: row;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  padding: 1rem 1.5rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-item i {
  color: #19a657;
  font-size: 1.2rem;
}

.feature-item span {
  color: #495057;
  font-weight: 500;
  white-space: nowrap;
}

/* Partnership Gallery */
.partnership-gallery {
  margin-top: 3rem;
}

.gallery-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: #2c3e50;
  text-align: center;
  margin-bottom: 2rem;
}

.partnership-photo {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.partnership-photo:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.partnership-photo img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.partnership-photo:hover img {
  transform: scale(1.05);
}

.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 2rem 1.5rem 1.5rem;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.partnership-photo:hover .photo-overlay {
  transform: translateY(0);
}

.photo-overlay p {
  margin: 0;
  font-weight: 500;
  font-size: 1rem;
}

/* Contact Section */
.contact-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  color: white;
}

.contact-wrapper {
  position: relative;
}

.contact-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.contact-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 3rem;
}

.contact-cards {
  margin-bottom: 3rem;
}

.contact-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  height: 100%;
}

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

.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #19a657 0%, #16a085 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.contact-icon i {
  font-size: 1.5rem;
  color: white;
}

.contact-card h5 {
  color: white;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-card a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-card a:hover {
  color: #19a657;
}

.partnership-cta {
  text-align: center;
}

.cta-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: white;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
  color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .opportunities-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .cooperation-hero,
  .why-partner-section,
  .cooperation-opportunities,
  .global-vision-section,
  .contact-section {
    padding: 60px 0;
  }

  .vision-features {
    margin-top: 2rem;
  }

  .contact-title {
    font-size: 2rem;
  }
}