/* 公共样式 */

/* 容器 */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

@media (max-width: 767px) {
  .container {
    padding: 0 var(--container-padding-mobile);
  }
}

/* 章节通用样式 */
.section {
  padding: var(--spacing-8) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-7);
}

.section-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-3);
}

.section-subtitle {
  font-size: var(--font-size-h5);
  color: var(--color-gray-700);
}

.section-footer {
  text-align: center;
  margin-top: var(--spacing-6);
}

/* 按钮基础样式 */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: 12px 24px;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-medium);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base) var(--ease-in-out);
}

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

.button--primary:hover {
  background: #256628;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}

.button--secondary {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary-dark);
}

.button--secondary:hover {
  background: var(--color-primary-light);
}

.button--outline {
  background: transparent;
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary-dark);
}

.button--outline:hover {
  background: var(--color-primary-light);
}

.button--text {
  background: transparent;
  color: var(--color-primary-dark);
  padding: 8px 16px;
}

.button--text:hover {
  background: var(--color-primary-light);
}

/* 尺寸变体 */
.button--large {
  padding: 16px 48px;
  font-size: var(--font-size-h5);
}

.button--small {
  padding: 8px 16px;
  font-size: var(--font-size-tiny);
}

/* 禁用状态 */
.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.button:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* 标签组件 */
.tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--font-size-tiny);
  font-weight: var(--font-weight-semibold);
  border-radius: 12px;
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.tag--primary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.tag--success {
  background: #D1FAE5;
  color: #065F46;
}

.tag--warning {
  background: #FEF3C7;
  color: #92400E;
}

.tag--error {
  background: #FEE2E2;
  color: #991B1B;
}

/* 卡片基础样式 */
.card {
  background: var(--color-white);
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* 工具类 */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.d-flex {
  display: flex;
}

.align-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }

/* CTA按钮变体 */
.button--white {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border: 2px solid var(--color-white);
}

.button--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.3);
  background: rgba(255, 255, 255, 0.95);
}

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

.button--outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

/* CTA区域通用样式 */
.cta-section {
  background: linear-gradient(135deg, #2E7D32 0%, #1B5E20 100%);
  padding: 80px 0;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/images/patterns/sheep-pattern.svg');
  background-repeat: repeat;
  background-size: 150px;
  opacity: 0.1;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 36px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 20px;
  line-height: 1.3;
  color: var(--color-white);
}

.cta-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 48px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-buttons .button {
  padding: 16px 32px;
  font-size: 16px;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-medium);
  transition: all var(--transition-base);
  min-width: 160px;
}

.cta-buttons .button--primary {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border: 2px solid var(--color-white);
}

.cta-buttons .button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.95);
}

.cta-buttons .button--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.cta-buttons .button--outline:hover {
  background: var(--color-white);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

/* 页面Banner通用样式 */
.page-banner {
  background: linear-gradient(135deg, #2E7D32 0%, #1B5E20 100%);
  padding: 100px 0 60px;
  text-align: center;
  color: var(--color-white);
}

.page-banner__title {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  margin-bottom: 16px;
  color: var(--color-white);
}

.page-banner__subtitle {
  font-size: var(--font-size-h4);
  opacity: 0.9;
}

/* 响应式工具类 */
@media (max-width: 767px) {
  .mobile-hidden {
    display: none !important;
  }
  
  .cta-section {
    padding: 60px 0;
  }

  .cta-title {
    font-size: 28px;
    margin-bottom: 16px;
  }

  .cta-subtitle {
    font-size: 16px;
    margin-bottom: 32px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .cta-buttons .button {
    width: 100%;
    max-width: 280px;
  }

  .page-banner {
    padding: 60px 0 40px;
  }

  .page-banner__title {
    font-size: var(--font-size-h2);
  }

  .page-banner__subtitle {
    font-size: var(--font-size-h6);
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .cta-title {
    font-size: 32px;
  }

  .cta-subtitle {
    font-size: 17px;
  }
}

@media (min-width: 768px) {
  .desktop-hidden {
    display: none !important;
  }
}