/* 项目详情页样式 */
.project_detail_section {
  width: 80%;
  max-width: 1200px;
  margin: 0px auto;
  padding: 50px 30px;
  box-sizing: border-box;
}

/* 项目头部 */
.project_detail_header {
  margin-bottom: 10px;
  padding-bottom: 20px;
}

.project_detail_title {
  font-size: 28px;
  font-weight: 400;
  color: #666;
  margin: 0 auto 20px;
  line-height: 1.4;
  text-align: center;
  transition: all .5s;
  padding-bottom: 0;
}

.project_detail_title::after {
  display: none;
}

.project_detail_meta {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 14px;
  color: #999;
}

.project_detail_date,
.project_detail_category {
  display: flex;
  align-items: center;
  gap: 8px;
}

.project_icon {
  font-size: 16px;
}

/* 项目内容区域 */
.project_detail_content {
  margin-bottom: 60px;
}

/* 项目图片区域 */
.project_detail_images_wrapper {
  margin-bottom: 50px;
}

.project_detail_images {
  margin-bottom: 30px;
  display: none;
}

.project_detail_image_single {
  margin-bottom: 50px;
  display: none;
  text-align: center;
}

.project_detail_image_single img {
  height: auto;
  display: inline-block;
  max-width: 100%;
  border-radius: 4px;
  margin: 0 auto;
}

/* 主轮播图 */
.project_main_swiper {
  width: 100%;
  margin-bottom: 20px;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.project_main_swiper .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
}

.project_main_swiper .swiper-slide img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

/* 缩略图轮播 */
.project_thumb_swiper {
  width: 100%;
  height: 140px;
  margin-top: 20px;
}

.project_thumb_swiper .swiper-slide {
  opacity: 0.5;
  cursor: pointer;
  border-radius: 4px;
  overflow: hidden;
  transition: opacity 0.3s ease;
  border: 2px solid transparent;
}

.project_thumb_swiper .swiper-slide-thumb-active {
  opacity: 1;
  border-color: #F55020;
}

.project_thumb_swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Swiper 导航按钮样式 */
.project_main_swiper .swiper-button-next,
.project_main_swiper .swiper-button-prev {
  color: #666;
  background: rgba(255, 255, 255, 0.9);
  width: 50px;
  height: 50px;
  border-radius: 4px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.project_main_swiper .swiper-button-next:hover,
.project_main_swiper .swiper-button-prev:hover {
  background: #F55020;
  color: white;
}

.project_main_swiper .swiper-button-next::after,
.project_main_swiper .swiper-button-prev::after {
  font-size: 18px;
  font-weight: bold;
}

.project_main_swiper .swiper-pagination-bullet {
  background: #666;
  opacity: 0.5;
  width: 10px;
  height: 10px;
}

.project_main_swiper .swiper-pagination-bullet-active {
  opacity: 1;
  background: #F55020;
}

/* 项目描述 */
.project_detail_description {
  margin-bottom: 40px;
  padding: 0;
}

.project_detail_description h2 {
  font-size: 24px;
  font-weight: 600;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e5e5e5;
}

.project_detail_description p {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 15px;
}

/* 项目详细内容 */
.project_detail_body {
  margin-bottom: 40px;
}

.project_detail_body h2 {
  font-size: 24px;
  font-weight: 600;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e5e5e5;
}

.project_detail_text {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
}

.project_detail_text p {
  margin-bottom: 20px;
}

.project_detail_text img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 20px 0;
}

.project_detail_text h3,
.project_detail_text h4 {
  color: #333;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.project_detail_text ul,
.project_detail_text ol {
  margin: 20px 0;
  padding-left: 30px;
}

.project_detail_text li {
  margin-bottom: 10px;
}

.project_detail_text a {
  color: #F55020;
  text-decoration: none;
  transition: color 0.3s ease;
}

.project_detail_text a:hover {
  color: #d43e15;
  text-decoration: underline;
}

/* 项目导航（上一个/下一个） */
.project_detail_navigation {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
  padding-top: 40px;
  border-top: 1px solid #e5e5e5;
}

.project_nav_item {
  flex: 1;
  max-width: 48%;
}

.project_nav_link {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 20px;
  background: #f9f9f9;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid #e5e5e5;
  overflow: hidden;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.project_nav_link:hover {
  background: #fff;
  border-color: #F55020;
  box-shadow: 0 2px 8px rgba(245, 80, 32, 0.1);
}

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

.project_nav_next .project_nav_link {
  text-align: right;
  flex-direction: row-reverse;
}

.project_nav_arrow {
  font-size: 20px;
  color: #666;
  font-weight: bold;
  flex-shrink: 0;
}

.project_nav_content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0; /* 允许flex子元素收缩 */
  overflow: hidden; /* 防止内容溢出 */
}

.project_nav_label {
  font-size: 12px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project_nav_title {
  font-size: 16px;
  font-weight: 500;
  color: #333;
  line-height: 1.4;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
  max-width: 100%;
}

.project_nav_link:hover .project_nav_title {
  color: #F55020;
}

.project_nav_link:hover .project_nav_arrow {
  color: #F55020;
}

.project_nav_disabled {
  cursor: default;
  opacity: 0.6;
}

.project_nav_disabled:hover {
  background: #f9f9f9;
  border-color: #e5e5e5;
  box-shadow: none;
  transform: none;
}

/* 返回项目列表 */
.project_detail_back {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #e5e5e5;
}

.project_back_link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 30px;
  background: #F55020;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.project_back_link:hover {
  background: #d43e15;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 80, 32, 0.4);
}

.project_back_link span {
  font-size: 18px;
}

/* 1400px以下 - 中等屏幕 */
@media (max-width: 1400px) {
  .project_detail_section {
    width: 85%;
    padding: 45px 25px;
  }
}

/* 1200px以下 - 小桌面 */
@media (max-width: 1200px) {
  .project_detail_section {
    width: 90%;
    padding: 45px 20px;
  }

  .project_detail_title {
    font-size: 26px;
    margin-bottom: 15px;
    padding-bottom: 0;
  }

  .project_detail_title::after {
    display: none;
  }

  .project_detail_body h2 {
    font-size: 22px;
  }

  .project_detail_text {
    font-size: 15px;
  }
}

/* 响应式设计 */
@media (max-width: 992px) {
  .project_detail_section {
    width: 90%;
    padding: 40px 15px;
  }

  .project_detail_title {
    font-size: 24px;
    margin-bottom: 15px;
    padding-bottom: 0;
  }

  .project_detail_title::after {
    display: none;
  }

  .project_detail_header {
    margin-bottom: 25px;
    padding-bottom: 15px;
  }

  .project_detail_content {
    margin-bottom: 50px;
  }

  .project_detail_images_wrapper {
    margin-bottom: 40px;
  }

  .project_main_swiper {
    height: 400px;
  }

  .project_thumb_swiper {
    height: 80px;
  }

  .project_detail_body h2 {
    font-size: 22px;
    margin-bottom: 18px;
  }

  .project_detail_text {
    font-size: 15px;
    line-height: 1.7;
  }

  .project_detail_navigation {
    margin-bottom: 35px;
    padding-top: 35px;
  }
}

@media (max-width: 768px) {
  .project_detail_section {
    width: 95%;
    padding: 35px 12px;
  }

  .project_detail_title {
    font-size: 22px;
    margin-bottom: 15px;
    padding-bottom: 0;
  }

  .project_detail_title::after {
    display: none;
  }

  .project_detail_header {
    margin-bottom: 20px;
    padding-bottom: 12px;
  }

  .project_detail_meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
  }

  .project_detail_content {
    margin-bottom: 40px;
  }

  .project_detail_images_wrapper {
    margin-bottom: 35px;
  }

  .project_main_swiper {
    height: 300px;
  }

  .project_main_swiper .swiper-button-next,
  .project_main_swiper .swiper-button-prev {
    width: 45px;
    height: 45px;
  }

  .project_main_swiper .swiper-button-next::after,
  .project_main_swiper .swiper-button-prev::after {
    font-size: 16px;
  }

  .project_thumb_swiper {
    height: 60px;
    margin-top: 15px;
  }

  .project_thumb_swiper .swiper-slide {
    width: 80px !important;
  }

  .project_detail_description h2,
  .project_detail_body h2 {
    font-size: 20px;
    margin-bottom: 15px;
    padding-bottom: 8px;
  }

  .project_detail_description p,
  .project_detail_text {
    font-size: 15px;
    line-height: 1.6;
  }

  .project_detail_text p {
    margin-bottom: 15px;
  }

  .project_detail_text img {
    margin: 15px 0;
  }

  .project_detail_navigation {
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
    padding-top: 30px;
  }

  .project_nav_item {
    max-width: 100%;
  }

  .project_nav_link {
    padding: 12px 15px;
    gap: 12px;
  }

  .project_nav_arrow {
    font-size: 18px;
  }

  .project_nav_title {
    font-size: 14px;
  }

  .project_nav_label {
    font-size: 11px;
  }

  .project_detail_back {
    padding-top: 25px;
  }

  .project_back_link {
    padding: 11px 25px;
    font-size: 15px;
  }
}

@media (max-width: 536px) {
  .project_detail_section {
    width: 95%;
    padding: 30px 10px;
  }

  .project_detail_title {
    font-size: 20px;
    margin-bottom: 12px;
    padding-bottom: 0;
  }

  .project_detail_title::after {
    display: none;
  }

  .project_detail_header {
    margin-bottom: 18px;
    padding-bottom: 10px;
  }

  .project_detail_content {
    margin-bottom: 35px;
  }

  .project_detail_images_wrapper {
    margin-bottom: 30px;
  }

  .project_main_swiper {
    height: 250px;
  }

  .project_main_swiper .swiper-button-next,
  .project_main_swiper .swiper-button-prev {
    width: 40px;
    height: 40px;
  }

  .project_main_swiper .swiper-button-next::after,
  .project_main_swiper .swiper-button-prev::after {
    font-size: 14px;
  }

  .project_thumb_swiper {
    height: 50px;
    margin-top: 12px;
  }

  .project_thumb_swiper .swiper-slide {
    width: 60px !important;
  }

  .project_detail_body h2 {
    font-size: 18px;
    margin-bottom: 12px;
    padding-bottom: 6px;
  }

  .project_detail_text {
    font-size: 14px;
    line-height: 1.6;
  }

  .project_detail_text p {
    margin-bottom: 12px;
  }

  .project_detail_navigation {
    margin-bottom: 25px;
    padding-top: 25px;
    gap: 12px;
  }

  .project_nav_link {
    padding: 10px 12px;
    gap: 10px;
  }

  .project_nav_arrow {
    font-size: 16px;
  }

  .project_nav_title {
    font-size: 13px;
  }

  .project_nav_label {
    font-size: 10px;
  }

  .project_detail_back {
    padding-top: 20px;
  }

  .project_back_link {
    padding: 10px 20px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .project_detail_section {
    width: 98%;
    padding: 25px 8px;
  }

  .project_detail_title {
    font-size: 19px;
    margin-bottom: 10px;
    padding-bottom: 0;
  }

  .project_detail_title::after {
    display: none;
  }

  .project_detail_header {
    margin-bottom: 15px;
    padding-bottom: 8px;
  }

  .project_detail_content {
    margin-bottom: 30px;
  }

  .project_detail_images_wrapper {
    margin-bottom: 25px;
  }

  .project_main_swiper {
    height: 220px;
  }

  .project_main_swiper .swiper-button-next,
  .project_main_swiper .swiper-button-prev {
    width: 35px;
    height: 35px;
  }

  .project_main_swiper .swiper-button-next::after,
  .project_main_swiper .swiper-button-prev::after {
    font-size: 12px;
  }

  .project_thumb_swiper {
    height: 45px;
    margin-top: 10px;
  }

  .project_thumb_swiper .swiper-slide {
    width: 55px !important;
  }

  .project_detail_body h2 {
    font-size: 17px;
    margin-bottom: 10px;
    padding-bottom: 6px;
  }

  .project_detail_text {
    font-size: 13px;
    line-height: 1.5;
  }

  .project_detail_text p {
    margin-bottom: 10px;
  }

  .project_detail_text img {
    margin: 12px 0;
  }

  .project_detail_navigation {
    margin-bottom: 20px;
    padding-top: 20px;
    gap: 10px;
  }

  .project_nav_link {
    padding: 10px 12px;
    gap: 8px;
  }

  .project_nav_arrow {
    font-size: 15px;
  }

  .project_nav_title {
    font-size: 12px;
  }

  .project_nav_label {
    font-size: 10px;
  }

  .project_detail_back {
    padding-top: 18px;
  }

  .project_back_link {
    padding: 9px 18px;
    font-size: 13px;
  }
}

@media (max-width: 320px) {
  .project_detail_section {
    width: 98%;
    padding: 20px 5px;
  }

  .project_detail_title {
    font-size: 18px;
    margin-bottom: 8px;
    padding-bottom: 0;
  }

  .project_detail_title::after {
    display: none;
  }

  .project_detail_header {
    margin-bottom: 12px;
    padding-bottom: 6px;
  }

  .project_detail_content {
    margin-bottom: 25px;
  }

  .project_detail_images_wrapper {
    margin-bottom: 20px;
  }

  .project_main_swiper {
    height: 200px;
  }

  .project_main_swiper .swiper-button-next,
  .project_main_swiper .swiper-button-prev {
    width: 32px;
    height: 32px;
  }

  .project_main_swiper .swiper-button-next::after,
  .project_main_swiper .swiper-button-prev::after {
    font-size: 11px;
  }

  .project_thumb_swiper {
    height: 40px;
    margin-top: 8px;
  }

  .project_thumb_swiper .swiper-slide {
    width: 50px !important;
  }

  .project_detail_body h2 {
    font-size: 16px;
    margin-bottom: 8px;
    padding-bottom: 5px;
  }

  .project_detail_text {
    font-size: 12px;
    line-height: 1.5;
  }

  .project_detail_text p {
    margin-bottom: 8px;
  }

  .project_detail_navigation {
    margin-bottom: 18px;
    padding-top: 18px;
    gap: 8px;
  }

  .project_nav_link {
    padding: 8px 10px;
    gap: 6px;
  }

  .project_nav_arrow {
    font-size: 14px;
  }

  .project_nav_title {
    font-size: 11px;
  }

  .project_nav_label {
    font-size: 9px;
  }

  .project_detail_back {
    padding-top: 15px;
  }

  .project_back_link {
    padding: 8px 15px;
    font-size: 12px;
  }
}