/* 白皮书下载页面样式 */
/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #0366ff;
  --secondary-color: #f8f9fa;
  --text-color: #333;
  --light-text: #666;
  --accent-color: #0366ff;
  --border-color: #e9e9e9;
}

body {
  font-family: Noto Sans S Chinese, Noto Sans S Chinese;
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  background: #ffffff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  position: relative;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

/* 导航栏样式 */
.header {
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 30px;
  max-width: 1440px;
  margin: 0 auto;
}

.logo {
  flex-shrink: 0;
}

.logo-img {
  height: 50px;
  width: auto;
}

.main-nav {
  flex-grow: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  list-style: none;
}

.nav-item {
  margin: 0 15px;
  position: relative;
}

.nav-item a {
  font-size: 16px;
  font-weight: 500;
  color: #333;
  padding: 10px 5px;
  display: block;
  position: relative;
}

.nav-item a:hover {
  color: var(--primary-color);
}

.nav-item.active a {
  color: var(--primary-color);
}

.nav-item.active a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
}

.nav-contact {
  margin-left: 20px;
}

.contact-btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.contact-btn:hover {
  background-color: #0252cc;
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  height: 20px;
  width: 30px;
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 100%;
  height: 3px;
  background-color: #333;
  transition: all 0.3s ease;
}

.breadcrumb-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
/* 面包屑导航 */
.breadcrumb {
  display: flex;
  align-items: center;
  padding: 20px 0;
}

.breadcrumb a {
  display: flex;
  align-items: center;
  font-size: 16px;
  color: #333333;
}

.breadcrumb a:hover {
  color: var(--primary-color);
}

.breadcrumb .separator {
  margin: 0 10px;
}

/* 首页图标 */
.home-icon {
  position: relative;
  width: 24px;
  height: 24px;
  margin-right: 5px;
  display: flex;
  align-items: center;
}
.home-icon img {
  width: 100%;
  height: 100%;
}

/* banner区域 */
.white-paper-banner {
  width: 100%;
  height: 380px;
  margin-top: 80px;
  background: url("../images/whitePaper/banner@2x.png");
  background-blend-mode: multiply;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.white-paper-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
    circle at 20% 50%,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  z-index: 1;
}

.banner-title {
  width: 100%;
  max-width: 526px;
  text-align: center;
  font-size: 60px;
  font-weight: 700;
  color: #fffdfd;
  line-height: 1.5;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
.filter-box {
  display: flex;
  align-items: center;
  justify-content: center;
}
.filter-box .title {
  font-weight: 400;
  font-size: 12px;
  color: #2b2b2b;
  text-align: center;
  margin-right: 12px;
}

/* 自定义下拉选择框样式 */
.select-box {
  margin-right: 20px;
}

.custom-select {
  position: relative;
  width: 200px;
}

.select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  padding: 0 15px;
  border: 1px solid rgba(3, 102, 255, 0.25);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  font-size: 14px;
  color: #333;
  transition: border-color 0.3s ease;
}

.select-trigger:hover,
.custom-select.active .select-trigger {
  border-color: #0366ff;
}

.select-text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.select-arrow {
  width: 24px;
  height: 24px;
  background-image: url("../images/IndustryGoingGlobal/Down.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 0.3s ease;
}

.custom-select.active .select-arrow {
  transform: rotate(180deg);
}

.select-options {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid rgba(3, 102, 255, 0.25);
  border-top: none;
  border-radius: 0 0 10px 10px;
  max-height: 200px;
  overflow-y: auto;
  z-index: 1000;
  display: none;
}

.custom-select.active .select-options {
  display: block;
}

.select-option {
  padding: 10px 15px;
  font-size: 14px;
  color: #333;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.select-option:hover {
  background-color: #f5f5f5;
}

.select-option.selected {
  background-color: #e6f0ff;
  color: #0366ff;
}
.filter-controls {
  display: flex;
  align-items: center;
}
/* 搜索框 */
.filter-search-box {
  display: flex;
  margin: 20px 0;
  justify-content: center;
}

.filter-search-input {
  width: 293px;
  height: 40px;
  padding: 0 15px;
  border: 1px solid rgba(3, 102, 255, 0.25);
  border-radius: 10px 0 0 10px;
  font-size: 14px;
  outline: none;
}

.filter-search-input:focus {
  border-color: #0366ff;
}

.filter-search-btn {
  width: 57px;
  height: 40px;
  background: var(--primary-color);
  border: none;
  border-radius: 0 10px 10px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.filter-search-btn .img {
  width: 24px;
  height: 24px;
}

/* 白皮书列表 */
.paper-list {
  margin: 30px 0;
}

.paper-item {
  display: flex;
  padding: 30px 0;
  border-bottom: 1px solid #e1e1e1;
  position: relative;
}

.paper-image {
  width: 293px;
  height: 195px;
  margin-right: 35px;
  flex-shrink: 0;
}

.paper-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.paper-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.paper-title {
  font-size: 24px;
  font-weight: 500;
  color: #2b2b2b;
  margin-bottom: 12px;
  line-height: 1.5;
}

.pc-title {
  display: block;
}

.paper-desc {
  font-size: 14px;
  font-weight: 350;
  line-height: 1.5;
  color: #353535;
  margin-bottom: 20px;
  flex-grow: 1;
}

.paper-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.paper-date {
  font-size: 14px;
  color: #8e8e8e;
}

.download-btn {
  width: 139px;
  height: 40px;
  background: var(--primary-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: #0252cc;
  transform: translateY(-2px);
}

.download-btn .img {
  width: 21px;
  height: 16px;
  margin-right: 5px;
}

.download-icon {
  display: none;
}

/* 默认PC端布局 */
.paper-title-container {
  display: none;
}

.paper-content-container {
  display: flex;
  width: 100%;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 40px 0;
  flex-wrap: wrap;
}

.pagination-item {
  padding: 8px 12px;
  min-width: 48px;
  height: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid #999999;
  border-radius: 6px;
  margin: 0 5px 0px;
  cursor: pointer;
  font-size: 14px;
  color: #999999;
  transition: all 0.3s ease;
}

.pagination-item:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.pagination-item.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
}

.pagination-info {
  margin-left: 15px;
  font-size: 14px;
  color: #353535;
  height: 100%;
  display: block;
}

/* 分页下拉菜单样式 */
.pagination-select {
  position: relative;
  display: inline-block;
  cursor: pointer;
  margin: 0 5px;
  min-width: 30px;
  text-align: center;
}

.current-page {
  display: inline-block;
  padding: 0 5px;
  border-bottom: 1px solid #999;
  color: #353535;
  font-size: 14px;
}

.select-arrow {
  width: 12px;
  height: 12px;
  margin-left: 3px;
  transition: transform 0.3s ease;
}

.pagination-select.active .select-arrow {
  transform: rotate(180deg);
}

.page-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  min-width: 50px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 10;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  visibility: hidden;
}

.pagination-select.active .page-dropdown {
  max-height: 200px;
  opacity: 1;
  visibility: visible;
}

.page-option {
  padding: 8px 5px;
  text-align: center;
  font-size: 14px;
  color: #353535;
  cursor: pointer;
  transition: background 0.2s ease;
}

.page-option:hover {
  background: #f5f5f5;
  color: var(--primary-color);
}

.page-option.selected {
  background: #f0f0f0;
  color: var(--primary-color);
}

/* 页脚 */
.footer {
  background: #212834;
  padding: 50px 0 30px;
  color: #ffffff;
  margin-top: 50px;
}

.footer-links {
  display: flex;
  list-style: none;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links li {
  margin-right: 30px;
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 16px;
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #ccc;
}

.copyright {
  font-size: 12px;
  line-height: 1.8;
  opacity: 0.8;
}
.pagination-mobile {
  display: none;
}
.pagination-pc {
  display: block;
}

/* 响应式样式 */
@media screen and (max-width: 1280px) {
  .nav-item {
    margin: 0 10px;
  }

  .banner-title {
    font-size: 50px;
  }
}

@media screen and (max-width: 992px) {
  .banner-title {
    font-size: 40px;
  }

  .nav-container {
    padding: 0 15px;
  }

  .nav-item {
    margin: 0 8px;
  }

  .nav-item a {
    font-size: 14px;
  }

  .paper-desc {
    font-size: 12px;
  }

  .paper-title {
    font-size: 22px;
  }

  .paper-image {
    width: 220px;
    height: 150px;
    margin-right: 20px;
  }
}

@media screen and (max-width: 768px) {
  .pagination-pc {
    display: none;
  }
  .pagination-mobile {
    display: block;
    margin: 0 auto;
    width: 160px;
    height: 30px;
    font-weight: normal;
    font-size: 12px;
    color: #afafaf;
    text-align: center;
    font-style: normal;
    text-transform: none;
  }
  .mobile-menu-btn {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    display: none;
  }

  .main-nav.active {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    padding: 0;
  }

  .nav-item {
    margin: 0;
    width: 100%;
    border-bottom: 1px solid #eee;
  }

  .nav-item a {
    padding: 15px 20px;
  }

  .nav-item.active a::after {
    display: none;
  }

  .nav-list.active {
    display: flex;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-contact {
    display: none;
  }

  .white-paper-banner {
    margin-top: 56px;
    height: 300px;
    background: url("../images/whitePaper/banner-mobile@2x.png");
    background-size: cover;
    background-repeat: no-repeat;
  }

  .banner-title {
    font-size: 36px;
    padding: 0 15px;
  }

  .search-box {
    justify-content: center;
    margin: 20px auto;
    width: 100%;
  }

  .search-input {
    height: 32px;
  }
  .search-btn {
    height: 32px;
  }
  .breadcrumb a {
    font-size: 12px;
  }

  .breadcrumb .separator {
    font-size: 12px;
  }

  /* 移动端筛选框样式 */
  .filter-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 15px;
  }

  .filter-box .title {
    width: 100%;
    text-align: center;
    margin-right: 0;
    margin-bottom: 15px;
    font-size: 14px;
  }

  /* 移动端选择框和搜索框在同一行 */
  .filter-controls {
    display: flex;
    width: 100%;
    gap: 10px;
  }

  .select-box {
    margin-right: 0;
    margin-bottom: 0;
    width: 40%;
    flex-shrink: 0;
  }

  .custom-select {
    width: 100%;
  }

  .select-trigger {
    height: 36px;
    font-size: 13px;
  }

  .filter-search-box {
    margin: 0;
    width: 60%;
    flex: 1;
  }

  .filter-search-input {
    width: calc(100% - 47px);
    height: 36px;
    font-size: 13px;
  }

  .filter-search-btn {
    height: 36px;
    width: 40px;
  }

  /* 移动端白皮书项目布局 */
  .paper-item {
    display: block;
    padding: 30px 0;
  }

  .paper-title-container {
    display: flex;
    position: relative;
    margin-bottom: 20px;
  }

  .pc-title {
    display: none;
  }

  .paper-title {
    font-size: 16px;
    margin: 0;
    padding-right: 40px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: calc(100% - 32px);
  }

  .download-icon {
    display: block;
    width: 16px;
    height: 16px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }

  .download-icon img {
    width: 100%;
    height: 100%;
  }

  .paper-content-container {
    display: flex;
  }

  .paper-image {
    width: 184px;
    height: 122px;
    margin-right: 20px;
    flex-shrink: 0;
  }

  .paper-content {
    flex: 1;
  }

  .paper-desc {
    font-size: 12px;
    margin-bottom: 15px;
    height: 88px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
  }

  .paper-date {
    font-size: 12px;
  }

  .download-btn {
    display: none;
  }

  .breadcrumb-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
  }

  .breadcrumb {
    flex-wrap: wrap;
    line-height: 2;
  }
}

/*@media screen and (max-width: 576px) {*/
/*    .banner-title {*/
/*        font-size: 28px;*/
/*    }*/

/*    .white-paper-banner {*/
/*        height: 250px;*/
/*    }*/

/*    .paper-title {*/
/*        font-size: 12px;*/
/*    }*/

/*    .paper-desc {*/
/*        font-size: 10px;*/
/*    }*/

/*    .paper-content-container {*/
/*        flex-direction: column;*/
/*    }*/

/*    .paper-image {*/
/*        width: 100%;*/
/*        height: auto;*/
/*        aspect-ratio: 1.5/1;*/
/*        margin-bottom: 15px;*/
/*    }*/

/*    .paper-date {*/
/*        font-size: 10px;*/
/*    }*/

/*    .download-icon {*/
/*        width: 24px;*/
/*        height: 24px;*/
/*    }*/

/*    .footer-links {*/
/*        justify-content: center;*/
/*    }*/

/*    .footer-links li {*/
/*        margin: 0 10px 10px;*/
/*    }*/

/*    .copyright {*/
/*        text-align: center;*/
/*    }*/

/*    .pagination-item {*/
/*        min-width: 40px;*/
/*        padding: 6px 10px;*/
/*        margin: 0 3px 6px;*/
/*    }*/

/*    .pagination-info {*/
/*        margin-left: 5px;*/
/*        font-size: 12px;*/
/*    }*/

/*    .paper-item {*/
/*        padding: 20px 0;*/
/*    }*/

/*    .container {*/
/*        padding: 0 10px;*/
/*    }*/
/*}*/

/*!* 适配超小屏幕设备 *!*/
@media screen and (max-width: 375px) {
  .banner-title {
    font-size: 28px;
  }

  .white-paper-banner {
    height: 250px;
  }

  .paper-title {
    font-size: 12px;
  }

  .paper-desc {
    font-size: 10px;
  }

  .paper-content-container {
    flex-direction: column;
  }

  .paper-image {
    width: 100%;
    height: auto;
    aspect-ratio: 1.5/1;
    margin-bottom: 15px;
  }

  .paper-date {
    font-size: 12px;
  }

  .download-icon {
    width: 16px;
    height: 16px;
  }

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

  .footer-links li {
    margin: 0 10px 10px;
  }

  .copyright {
    text-align: center;
  }

  .pagination-item {
    min-width: 40px;
    padding: 6px 10px;
    margin: 0 3px 6px;
  }

  .pagination-info {
    margin-left: 5px;
    font-size: 12px;
  }

  .paper-item {
    padding: 20px 0;
  }

  .container {
    padding: 0 10px;
  }
}