/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #000000;
  background: #FFFFFF;
}

/* 主容器 */
.zh_main-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.zh_content {
  flex: 1;
}

/* 轮播区域 */
.zh_hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.zh_swiper-container {
  width: 100%;
  height: 100%;
}

.zh_slide {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zh_slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.zh_slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #FFFFFF;
  max-width: 800px;
  padding: 0 20px;
}

.zh_slide-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.zh_slide-desc {
  font-size: 1.4rem;
  margin-bottom: 30px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 导航按钮 */
.zh_swiper-button-prev,
.zh_swiper-button-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(237, 13, 30, 0.8);
  border-radius: 50%;
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.3s ease;
  z-index: 10;
  margin-top: 0;
}

.zh_swiper-button-prev {
  left: 30px;
}

.zh_swiper-button-next {
  right: 30px;
}

.zh_swiper-button-prev:hover,
.zh_swiper-button-next:hover {
  background: #ED0D1E;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 5px 15px rgba(237, 13, 30, 0.4);
}

.zh_swiper-button-prev:after,
.zh_swiper-button-next:after {
  display: none;
}

.zh_swiper-button-prev.swiper-button-disabled,
.zh_swiper-button-next.swiper-button-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.zh_swiper-button-prev.swiper-button-disabled:hover,
.zh_swiper-button-next.swiper-button-disabled:hover {
  transform: translateY(-50%);
  background: rgba(237, 13, 30, 0.8);
}

/* 确保按钮在轮播容器内部 */
.zh_swiper-container {
  position: relative;
}

.zh_swiper-container .swiper-button-next,
.zh_swiper-container .swiper-button-prev {
  margin-top: 0;
  width: auto;
  height: auto;
  background: none;
  color: transparent;
}

.zh_swiper-pagination {
  bottom: 30px;
  z-index: 10;
}

.zh_swiper-pagination-bullet {
  width: 15px;
  height: 15px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  opacity: 1;
  transition: all 0.3s ease;
}

.zh_swiper-pagination-bullet-active {
  background: #ED0D1E;
  transform: scale(1.2);
}

/* 内容区域 */
.zh_section {
  padding: 80px 0;
}

.zh_section-alt {
  background: #F3F3F3;
}

.zh_container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.zh_section-header {
  text-align: center;
  margin-bottom: 60px;
}

.zh_section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 20px;
  position: relative;
}

/* .zh_section-title::after {
  content: '';
  width: 80px;
  height: 4px;
  background: #ED0D1E;
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
} */

.zh_section-subtitle {
  font-size: 1.2rem;
  color: #9D9D9D;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
  text-align: center;
}

/* 网格布局 */
.zh_grid {
  display: grid;
  gap: 40px;
}

.zh_grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.zh_grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* 卡片样式 */
.zh_card {
  background: #FFFFFF;
  border-radius: 15px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid #F3F3F3;
}

.zh_card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.zh_card-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #ED0D1E, #c50b18);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  color: #FFFFFF;
  font-size: 32px;
}

.zh_card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #000000;
  margin-bottom: 15px;
  text-align: left;
}

.zh_card-desc {
  color: #9D9D9D;
  line-height: 1.6;
  text-align: left;
}

/* Benefits section特殊样式 - 保持居中对齐 */
.zh_benefits-card .zh_card-title {
  text-align: center;
}

.zh_benefits-card .zh_card-desc {
  text-align: center;
}

/* Get Involved section特殊样式 - 居中对齐 */
.zh_involved-card .zh_card-title {
  text-align: center;
}

.zh_involved-card .zh_card-desc {
  text-align: center;
}

/* 按钮样式 */
.zh_btn {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
}

.zh_btn-primary {
  background: linear-gradient(135deg, #ED0D1E, #c50b18);
  color: #FFFFFF;
}

.zh_btn-primary:hover {
  background: linear-gradient(135deg, #c50b18, #a00915);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(237, 13, 30, 0.3);
  text-decoration: none;
  color: #FFFFFF;
}

.zh_btn-secondary {
  background: transparent;
  color: #ED0D1E;
  border: 2px solid #ED0D1E;
}

.zh_btn-secondary:hover {
  background: #ED0D1E;
  color: #FFFFFF;
  text-decoration: none;
}

.zh_btn-outline {
  background: transparent;
  color: #000000;
  border: 2px solid #9D9D9D;
}

.zh_btn-outline:hover {
  background: #000000;
  color: #FFFFFF;
  border-color: #000000;
  text-decoration: none;
}

/* 图片样式 */
.zh_image-container {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.zh_image-container img {
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.zh_image-container:hover img {
  transform: scale(1.05);
}

.zh_image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(237, 13, 30, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.zh_image-container:hover .zh_image-overlay {
  opacity: 1;
}

.zh_image-overlay i {
  color: #FFFFFF;
  font-size: 48px;
}

/* 高亮框 */
.zh_highlight-box {
  background: linear-gradient(135deg, #A4BAD7, #8aa5c5);
  border-radius: 15px;
  padding: 40px;
  color: #000000;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.zh_highlight-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.zh_highlight-box:hover::before {
  left: 100%;
}

.zh_highlight-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.zh_highlight-desc {
  font-size: 1.1rem;
  line-height: 1.6;
}

/* 时间轴样式 */
.zh_timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.zh_timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: #ED0D1E;
}

.zh_timeline-item {
  position: relative;
  margin: 40px 0;
  padding: 20px;
}

.zh_timeline-item::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: #ED0D1E;
  border-radius: 50%;
  border: 4px solid #FFFFFF;
  box-shadow: 0 0 10px rgba(237, 13, 30, 0.3);
  z-index: 1;
}

/* 反馈表单样式 */
.zh_modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
}

.zh_modal-content {
  position: relative;
  background: #FFFFFF;
  margin: 5% auto;
  padding: 0;
  width: 90%;
  max-width: 500px;
  border-radius: 15px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: zh_modalSlideIn 0.3s ease;
}

@keyframes zh_modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.zh_modal-header {
  background: linear-gradient(135deg, #ED0D1E, #c50b18);
  color: #FFFFFF;
  padding: 20px 30px;
  border-radius: 15px 15px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.zh_modal-header h3 {
  margin: 0;
  font-size: 1.5rem;
}

.zh_close {
  color: #FFFFFF;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

.zh_close:hover {
  color: #f0f0f0;
}

.zh_modal-body {
  padding: 30px;
}

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

.zh_form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #000000;
}

.zh_form-group input,
.zh_form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #F3F3F3;
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.3s ease;
}

.zh_form-group input:focus,
.zh_form-group textarea:focus {
  outline: none;
  border-color: #ED0D1E;
}

.zh_captcha-group {
  display: flex;
  gap: 15px;
  align-items: end;
}

.zh_captcha-input {
  flex: 1;
  margin-bottom: 0;
}

.zh_captcha-image img {
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.zh_captcha-image img:hover {
  transform: scale(1.05);
}

.zh_form-actions {
  display: flex;
  gap: 15px;
  justify-content: flex-end;
  margin-top: 30px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .zh_slide-title {
    font-size: 2.5rem;
  }
  
  .zh_slide-desc {
    font-size: 1.1rem;
  }
  
  .zh_swiper-button-prev,
  .zh_swiper-button-next {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
  
  .zh_swiper-button-prev {
    left: 15px;
  }
  
  .zh_swiper-button-next {
    right: 15px;
  }
  
  .zh_section {
    padding: 60px 0;
  }
  
  .zh_container {
    padding: 0 15px;
  }
  
  .zh_section-title {
    font-size: 2rem;
  }
  
  .zh_grid-2,
  .zh_grid-3 {
    grid-template-columns: 1fr;
  }
  
  .zh_card {
    padding: 30px 20px;
  }
  
  .zh_form-actions {
    flex-direction: column;
  }
  
  .zh_captcha-group {
    flex-direction: column;
    align-items: stretch;
  }
  
  .zh_timeline::before {
    left: 20px;
  }
  
  .zh_timeline-item::before {
    left: 20px;
  }
}

@media (max-width: 480px) {
  .zh_hero-section {
    height: 80vh;
    min-height: 500px;
  }
  
  .zh_slide-title {
    font-size: 2rem;
  }
  
  .zh_slide-desc {
    font-size: 1rem;
  }
  
  .zh_swiper-button-prev,
  .zh_swiper-button-next {
    width: 35px;
    height: 35px;
    font-size: 12px;
  }
  
  .zh_swiper-button-prev {
    left: 10px;
  }
  
  .zh_swiper-button-next {
    right: 10px;
  }
  
  .zh_section {
    padding: 40px 0;
  }
  
  .zh_container {
    padding: 0 10px;
  }
  
  .zh_section-title {
    font-size: 1.8rem;
  }
  
  .zh_card {
    padding: 25px 15px;
  }
  
  .zh_card-icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }
  
  .zh_btn {
    padding: 12px 25px;
    font-size: 14px;
  }
  
  .zh_modal-content {
    width: 95%;
    margin: 10% auto;
  }
  
  .zh_modal-body {
    padding: 20px;
  }
}

/* 图片放大灯箱样式 */
.zh_lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
}

.zh_lightbox-content {
  position: relative;
  width: 90%;
  max-width: 1000px;
  margin: 5% auto;
  text-align: center;
}

.zh_lightbox-image {
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.zh_lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  color: #FFFFFF;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  background: rgba(237, 13, 30, 0.8);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.zh_lightbox-close:hover {
  background: #ED0D1E;
  transform: scale(1.1);
}

.zh_lightbox-title {
  color: #FFFFFF;
  font-size: 18px;
  margin-top: 20px;
  font-weight: 600;
}

@media (max-width: 768px) {
  .zh_lightbox-content {
    width: 95%;
    margin: 10% auto;
  }
  
  .zh_lightbox-close {
    top: -40px;
    font-size: 30px;
    width: 40px;
    height: 40px;
  }
  
  .zh_lightbox-title {
    font-size: 16px;
  }
}

img:is([sizes="auto" i], [sizes^="auto," i]) {
  contain-intrinsic-size: 3000px 1500px
}