/* cooperation.css - 合作页面专属样式 */

/* 合作页面主横幅 */
.cooperation-hero {
  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
  color: white;
  text-align: center;
  padding: 140px 20px 80px;
  margin-top: 70px;
}

.cooperation-hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.cooperation-hero .subtitle {
  font-size: 1.3rem;
  opacity: 0.9;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 40px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
  color: #fff;
}

.stat-label {
  font-size: 0.95rem;
  opacity: 0.85;
  max-width: 120px;
  text-align: center;
}

/* 合作伙伴类型 */
.partner-types {
  padding: 80px 20px;
  background: #f8f9fa;
}

.partner-types h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: #1a202c;
}

.partner-types h2 i {
  color: #1890ff;
  margin-right: 12px;
}

.section-intro {
  text-align: center;
  color: #666;
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 50px;
  line-height: 1.6;
}

.partner-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1300px;
  margin: 0 auto;
}

.partner-card {
  background: white;
  border-radius: 12px;
  padding: 35px 30px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
  border: 1px solid #e8e8e8;
}

.partner-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
  border-color: #1890ff;
}

.partner-card.highlight {
  border: 2px solid #1890ff;
  position: relative;
}

.partner-card.highlight:before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
  background: linear-gradient(90deg, #1890ff, #36cfc9);
  border-radius: 12px 12px 0 0;
}

.badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: #ff4d4f;
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.partner-icon {
  font-size: 3rem;
  color: #1890ff;
  margin-bottom: 20px;
}

.partner-card h3 {
  font-size: 1.5rem;
  color: #1a202c;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid #f0f0f0;
}

.partner-features {
  list-style: none;
  margin: 0 0 25px 0;
  padding: 0;
}

.partner-features li {
  padding: 10px 0;
  border-bottom: 1px dashed #eee;
  color: #555;
  font-size: 0.95rem;
  line-height: 1.5;
}

.partner-features li:last-child {
  border-bottom: none;
}

.partner-features li strong {
  color: #333;
  margin-right: 5px;
}

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

.tag {
  background: #f0f7ff;
  color: #1890ff;
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid #d1e9ff;
}

/* 合作流程 */
.cooperation-process {
  padding: 80px 20px;
  background: white;
}

.cooperation-process h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: #1a202c;
}

.cooperation-process h2 i {
  color: #1890ff;
  margin-right: 12px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.step {
  text-align: center;
  padding: 30px 20px;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #1890ff, #36cfc9);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0 auto 25px;
  box-shadow: 0 8px 20px rgba(24, 144, 255, 0.2);
}

.step h4 {
  font-size: 1.3rem;
  color: #1a202c;
  margin-bottom: 15px;
}

.step p {
  color: #666;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 成功案例 */
.success-cases {
  padding: 80px 20px;
  background: #f8f9fa;
}

.success-cases h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: #1a202c;
}

.success-cases h2 i {
  color: #ffa940;
  margin-right: 12px;
}

.case-studies {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.case-study {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
  border-left: 4px solid #1890ff;
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #f0f0f0;
}

.case-header h4 {
  font-size: 1.3rem;
  color: #1a202c;
  margin: 0;
}

.case-tag {
  background: #f0f7ff;
  color: #1890ff;
  padding: 5px 15px;
  border-radius: 15px;
  font-size: 0.85rem;
  font-weight: 600;
}

.case-desc {
  color: #555;
  line-height: 1.7;
  margin-bottom: 25px;
  font-size: 0.95rem;
}

.case-quote {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 8px;
  position: relative;
}

.case-quote i.fa-quote-left {
  color: #1890ff;
  font-size: 1.5rem;
  margin-bottom: 10px;
  display: block;
}

.case-quote p {
  font-style: italic;
  color: #666;
  line-height: 1.6;
  margin-bottom: 10px;
}

.quote-author {
  color: #888;
  font-size: 0.9rem;
  font-weight: 500;
}

/* 联系表单 */
.contact-form-section {
  padding: 80px 20px;
  background: white;
}

.form-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
  background: #f8f9fa;
  border-radius: 16px;
  padding: 50px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-intro h2 {
  font-size: 2.2rem;
  color: #1a202c;
  margin-bottom: 20px;
}

.form-intro p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 30px;
  font-size: 1.05rem;
}

.contact-direct p {
  display: flex;
  align-items: center;
  margin: 15px 0;
  color: #555;
  font-size: 1rem;
}

.contact-direct i {
  color: #1890ff;
  margin-right: 12px;
  font-size: 1.1rem;
  width: 24px;
}

.cooperation-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  margin-bottom: 10px;
  font-weight: 600;
  color: #333;
  display: flex;
  align-items: center;
}

.form-group label i {
  margin-right: 8px;
  color: #1890ff;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  border: 1px solid #d9d9d9;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #1890ff;
  box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

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

.submit-btn {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
  color: white;
  border: none;
  padding: 18px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
}

.submit-btn i {
  margin-right: 10px;
  font-size: 1.2rem;
}

.submit-btn:hover {
  background: linear-gradient(135deg, #40a9ff 0%, #1890ff 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(24, 144, 255, 0.3);
}

.form-notice {
  grid-column: 1 / -1;
  text-align: center;
  color: #888;
  font-size: 0.9rem;
  margin-top: 20px;
  line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .form-container {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 30px;
  }

  .cooperation-hero h1 {
    font-size: 2.5rem;
  }

  .partner-types h2,
  .cooperation-process h2,
  .success-cases h2 {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .cooperation-form {
    grid-template-columns: 1fr;
  }

  .partner-cards,
  .process-steps,
  .case-studies {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 30px;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .cooperation-hero {
    padding: 120px 20px 60px;
  }
}

/* 导航栏当前页面高亮 */
.nav-links a.active {
  color: #1890ff;
  font-weight: 600;
  position: relative;
}

.nav-links a.active:after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 3px;
  background: #1890ff;
  border-radius: 2px;
}