/* ========================================
   商業合作頁面樣式
======================================== */

/* 頁面標題 */
.page-header {
  padding: 10rem 0 6rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  text-align: center;
  color: var(--color-white);
}

.page-header h1 {
  color: var(--color-white);
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
}

/* 優勢卡片 */
.advantage-card {
  text-align: center;
  padding: 3rem 2rem;
}

.advantage-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.advantage-card h3 {
  margin-bottom: 1rem;
  font-size: 1.4rem;
  color: var(--color-secondary);
}

.advantage-card p {
  line-height: 1.8;
}

/* 合作模式 */
.partnership-modes {
  background: var(--color-background);
}

.modes-grid {
  display: grid;
  gap: 3rem;
}

.mode-card {
  padding: 3rem;
}

.mode-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--color-background);
}

.mode-icon {
  font-size: 5rem;
  flex-shrink: 0;
}

.mode-header h3 {
  font-size: 2rem;
  color: var(--color-secondary);
}

.mode-description {
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 2rem;
  color: var(--color-text-dark);
}

.mode-benefits {
  list-style: none;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.mode-benefits li {
  padding: 1rem;
  background: var(--color-background);
  border-radius: 8px;
  color: var(--color-text-light);
}

.mode-target {
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.1), rgba(139, 115, 85, 0.1));
  border-radius: 10px;
  border-left: 4px solid var(--color-primary);
}

.mode-target strong {
  color: var(--color-primary);
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.5rem;
}

.mode-target p {
  color: var(--color-text-dark);
  margin: 0;
}

/* 已覆蓋市場 */
.markets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.market-region {
  padding: 3rem 2rem;
  text-align: center;
}

.market-region h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--color-secondary);
}

.countries-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.country-tag {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background: var(--color-background);
  border-radius: 50px;
  color: var(--color-text-dark);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  border: 2px solid transparent;
}

.country-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.market-note {
  color: var(--color-primary);
  font-style: italic;
  font-size: 0.95rem;
  margin: 0;
}

/* 表單 */
.contact-form-section {
  background: var(--color-background);
}

.form-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem;
}

.partnership-form {
  width: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

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

.form-group label {
  font-weight: 500;
  color: var(--color-secondary);
  margin-bottom: 0.8rem;
  font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 1rem 1.5rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--font-secondary);
  transition: var(--transition);
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-actions {
  text-align: center;
  margin-top: 2.5rem;
}

.form-message {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
  display: none;
}

.form-message.success {
  background: #d4edda;
  color: #155724;
  border: 2px solid #c3e6cb;
  display: block;
}

.form-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 2px solid #f5c6cb;
  display: block;
}

/* 直接聯絡 */
.contact-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-method {
  text-align: center;
  padding: 3rem 2rem;
}

.contact-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.contact-method h4 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

.contact-method p {
  margin: 0;
  line-height: 1.8;
}

.contact-method a {
  color: var(--color-primary);
  font-weight: 500;
  transition: var(--transition);
}

.contact-method a:hover {
  color: var(--color-accent);
}

/* 響應式 - 平板 */
@media (max-width: 1024px) {
  .page-header {
    padding: 8rem 0 5rem;
  }
  
  .page-header h1 {
    font-size: 2.8rem;
  }
  
  .mode-benefits {
    grid-template-columns: 1fr;
  }
  
  .markets-grid {
    grid-template-columns: 1fr;
  }
  
  .form-container {
    padding: 3rem;
  }
  
  .contact-methods {
    grid-template-columns: 1fr;
  }
}

/* 響應式 - 手機 */
@media (max-width: 768px) {
  .page-header {
    padding: 7rem 0 4rem;
  }
  
  .page-header h1 {
    font-size: 2rem;
  }
  
  .page-header p {
    font-size: 1.1rem;
  }
  
  .advantage-card {
    padding: 2rem;
  }
  
  .mode-card {
    padding: 2rem;
  }
  
  .mode-header {
    flex-direction: column;
    text-align: center;
  }
  
  .mode-header h3 {
    font-size: 1.6rem;
  }
  
  .form-container {
    padding: 2rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}