* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

:root {
  --primary-color: #d07830;
  --text-color: #202036;
  --white-color: #ffffff;
  --header-height: 70px;
  --border-color: #d07830;
}

body {
  font-family: 'Arial', sans-serif;
  color: var(--text-color);
  /* padding-top: var(--header-height); */
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}

button:focus,
*:focus {
  outline: none;
}

button {
  background: transparent;
  border: none;
  padding: 0;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

img {
  max-width: 100%;
}

.display-flex {
  display: flex;
}

/* Swiper Container */
.swiper-container {
  position: relative;
  width: 100%;
  height: 90vh;
  margin-top: 0;
  overflow: hidden;
}

/* Floating controls on swiper */
.swiper-controls {
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  pointer-events: none;
}

.swiper-controls>* {
  pointer-events: auto;
}

.language-switcher {
  display: flex;
  gap: 10px;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 5px 10px;
  border-radius: 4px;
}

.language-switcher button {
  background: none;
  border: none;
  color: var(--white-color);
  cursor: pointer;
  font-weight: bold;
  padding: 2px 8px;
  border-radius: 3px;
  transition: background-color 0.3s;
}

.language-switcher button:hover,
.language-switcher button.active {
  background-color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: 15px;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 8px 15px;
  border-radius: 30px;
}

.social-links a {
  color: var(--white-color);
  font-size: 16px;
  transition: transform 0.3s, color 0.3s;
}

.social-links a:hover {
  transform: translateY(-2px);
  color: var(--primary-color);
}

/* Swiper Slides */
.swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: var(--white-color);
  font-size: 2.5rem;
  font-weight: bold;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

/* Navigation Header */
.main-header {
  position: relative;
  background-color: var(--white-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  z-index: 1020;
}

.main-header.fixed-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
}

.nav-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: var(--header-height);
  margin: 0 auto;
  max-width: 1200px;
  max-width: 1300px;
  position: relative;
}

.logo {
  height: 60px;
  margin-right: 40px;
}

.logo img {
  max-width: 100%;
}

.main-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
  margin: 0 12px;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.2rem;
  padding: 10px 0;
  position: relative;
  display: block;
  transition: color 0.3s;
}

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

.submenu {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  background-color: var(--white-color);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  /* padding: 10px 0; */
  margin: 10px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

/* Submenu positioning */
.main-header:not(.fixed-top) .submenu {
  bottom: 100%;
  top: auto;
}

.main-header.fixed-top .submenu {
  top: 100%;
  bottom: auto;
}

/* Adjust submenu position to prevent overflow */
.nav-item:nth-last-child(1) .submenu,
.nav-item:nth-last-child(2) .submenu {
  left: auto;
  right: 0;
  transform: translateX(0);
}

.nav-item:nth-child(1) .submenu,
.nav-item:nth-child(2) .submenu {
  left: 0;
  transform: translateX(0);
}

.nav-item:hover .submenu {
  opacity: 1;
  visibility: visible;
}

.submenu-item {
  padding: 8px 20px;
}

.submenu-link {
  color: var(--text-color);
  text-decoration: none;
  display: block;
  transition: color 0.3s;
  padding: 5px 0;
}

.submenu-link:hover {
  color: var(--primary-color);
}

/* Mobile Navigation */
.mobile-nav-container {
  width: 100%;
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--white-color);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  z-index: 9999;
}

.mobile-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.mobile-menu-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-color);
  transition: color 0.3s;
}

.mobile-menu-btn:hover {
  color: var(--primary-color);
}

/* .mobile-menu-container {
  width: 100%;
} */

.mobile-menu {
  width: 100%;
  position: fixed;
  bottom: var(--header-height);
  left: 0;
  /* right: 0; */
  background-color: var(--white-color);
  box-shadow: 0 -5px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
  transform: translateY(120%);
  transition: transform 0.3s ease;
  z-index: 1010;
  max-height: 70vh;
  overflow-y: auto;
  text-align: center;
}

.mobile-menu.active {
  transform: translateY(0);
}

.mobile-nav-item {
  margin-bottom: 15px;
}

.mobile-submenu {
  /* padding-left: 15px; */
  margin-top: 10px;
  display: none;
}

.mobile-submenu.active {
  display: block;
}

/* Content Sections */
.content-section {
  padding: 80px 0;
  min-height: 100vh;
}

.bg-light {
  background-color: #f8f9fa;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
  .nav-container {
    justify-content: space-between;
    padding: 0 20px;
  }

  .logo {
    margin-right: 0;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: var(--header-height);
  }

  .swiper-container {
    height: 400px;
    height: 90vh;
  }

  .swiper-controls {
    padding: 0 20px;
  }

  .language-switcher button {
    padding: 2px 6px;
    font-size: 12px;
  }

  .social-links {
    gap: 10px;
    padding: 6px 12px;
  }

  .social-links a {
    font-size: 14px;
  }

  /* Hide desktop nav, show mobile */
  .main-header.desktop-nav {
    display: none;
  }

  .mobile-nav-container {
    display: block;
  }
}

@media (max-width: 576px) {
  .swiper-container {
    height: 300px;
    height: 90vh;
  }

  .swiper-slide {
    font-size: 2rem;
  }
}


/* 应用 */
.caramelApplication {
  width: 100%;
  background: url(../images/index-bg01.jpeg);
  padding: 60px 10px;
}

.proimg-link-grid {
  display: grid;
  gap: 2rem;
  grid-row: auto auto;
  grid-template-columns: 1fr 1fr;
  place-items: center;
}

.proimg-link-box {
  align-items: center;
  display: flex;
  justify-content: center;
}

.proimg-link-grid .proimg-link-address {
  width: 100%;
  padding-top: 100%;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
}

.proimg-link-box {
  padding: 20px;
}

.proimg-link-box .proimg-link-address {
  width: 100%;
  padding-top: 100%;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
}

.proimg-link-grid img,
.proimg-link-box img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.proimg-link-title {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  opacity: 0;
  transition: all 0.5s ease;
  background-color: var(--primary-color);
  padding: 10px;
}

.proimg-link-address:hover .proimg-link-title {
  opacity: 1;
}

.heading-title {
  text-align: center;
  border: 1px solid #4d4d4d;
  font-size: 3rem;
  font-weight: 400;
  padding: 15px 20px;
}

.heading-desc {
  color: #333;
  font-size: 1.75rem;
  font-weight: 300;
  padding: 0 2rem;
  transition: .2s;
  /* white-space: pre-wrap; */
  text-align: center;
}

.ourCaramel-bg,
.facts-bg,
.newsCenter-bg,
.aboutUs-bg,
.contactForm-bg {
  width: 100%;
  background: url(../images/index-bg01.jpeg);
  padding: 60px 0;
}

.tab-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* 选项卡按钮样式 */
.tab-buttons {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 10px;
}

.tab-btn {
  padding: 12px 24px;
  background-color: #f5f5f5;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
  color: var(--text-color);
}

.tab-btn:hover {
  background-color: #e0e0e0;
}

.tab-btn.active {
  background-color: var(--primary-color);
  color: var(--white-color);
}

/* 选项卡内容区域 */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* 图片网格布局 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  justify-content: center;
  gap: 20px;
}

.product-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1/1;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.product-item:hover {
  transform: translateY(-5px);
}

.product-img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 悬停效果 */
.product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.product-link {
  position: relative;
  display: block;
  width: 100%;
  /* height: 100%; */
  padding-top: 100%;
  overflow: hidden;
  border-radius: 50%;
  overflow: hidden;
}

.product-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: var(--primary-color);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.8s ease, height 0.8s ease;
  z-index: 1;
}

.product-link:hover::before {
  width: 200%;
  height: 200%;
  opacity: 0.9;
}

.product-link:hover .product-overlay {
  opacity: 1;
}

.product-name {
  color: var(--white-color);
  font-size: 18px;
  /* font-weight: bold; */
  text-align: center;
  z-index: 2;
  padding: 10px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tab-buttons {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 10px;
    -webkit-overflow-scrolling: touch;
  }

  .tab-btn {
    white-space: nowrap;
  }
}

/* 概述 */
.fact-item,
.fact-item a.fact-toggle {
  display: flex;
  flex-direction: column;
}

.fact-item-img {
  border-radius: 50%;
  border: 8px solid #d07830;
  transition: .1s;
  overflow: hidden;
  /* position: relative;
  width: 100%;
  padding-top: 100%; */
}

.fact-item-img img {
  /* position: absolute;
  top: 0;
  left: 0;
  right: 0; */
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fact-item-tit {
  display: inline-block;
  width: 100%;
  text-align: center;
  color: #202036;
  font-weight: 500;
  font-size: 24px;
  font-size: 20px;
  opacity: .8;
}

.fact-item:hover .fact-item-img {
  border: 10px solid #d07830;
}

.fact-item:hover .fact-item-tit {
  color: #d07830;
}

.fact-item-cont {
  display: none;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99999;
  padding: 30px 150px;
}

.fact-item-cont-box {
  background-color: #fff;
  border-radius: 20px;
  width: 100%;
  height: 100%;
  padding: 20px;
  overflow: hidden;
  box-sizing: border-box;
}

/* 内容头部样式 */
.fact-content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.fact-content-title {
  font-size: 20px;
  font-weight: bold;
  color: #333;
}

.fact-close-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #999;
  padding: 0 5px;
  line-height: 1;
}

.fact-close-btn:hover {
  color: #333;
}

/* 内容主体样式 */
.fact-content-body {
  display: flex;
  flex-wrap: wrap;
  height: calc(100% - 90px);
  /* 减去头部高度 */
}

.fact-thumbnail {
  flex: 1;
  min-width: 100px;
  padding-right: 20px;
  max-height: 100%;
  overflow: hidden;
}

.fact-thumbnail img {
  width: 100%;
  height: auto;
  border-radius: 3px;
  max-height: 100%;
  object-fit: contain;
}

.fact-text {
  flex: 2;
  min-width: 200px;
  max-height: 100%;
  overflow-y: auto;
  /* 添加垂直滚动条 */
  padding-right: 10px;
  /* 为滚动条留出空间 */
}

.fact-text p {
  margin-bottom: 10px;
  line-height: 1.6;
  color: #555;
}

/* 自定义滚动条样式 */
.fact-text::-webkit-scrollbar {
  width: 6px;
}

.fact-text::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

.fact-text::-webkit-scrollbar-thumb {
  background: #d07830;
  border-radius: 3px;
}

.fact-text::-webkit-scrollbar-thumb:hover {
  background: #b36628;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .fact-item-cont {
    width: 100%;
    left: 0;
    right: 0;
  }

  .fact-content-body {
    flex-direction: column;
    /* height: auto; */
    height: 100%;
  }

  .fact-thumbnail {
    width: 100%;
    padding-right: 0;
    margin-bottom: 15px;
    max-height: 200px;
  }

  .fact-text {
    width: 100%;
    max-height: calc(100% - 310px);
  }
}

.cj-faqs {
  color: #fff;
  padding: 10px 15px;
  text-align: center;
  border-radius: 4px;
  background-color: var(--primary-color);
  font-size: 28px;
}


/* 新闻 */
.news-swiper {
  width: 100%;
  padding: 20px 0;
}

.swiper-slide {
  text-shadow: none;
}

.news-item {
  /* background: #fff; */
  /* border-radius: 8px; */
  overflow: hidden;
  /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); */
  padding: 40px;
  height: auto;
  display: flex;
  justify-content: center;
  flex-direction: column;
  transition: transform 0.3s ease;
}

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

/* .news-item:hover {
  transform: translateY(-5px);
} */

.news-item hr {
  width: 100%;
  color: #202036;
  opacity: 1;
  margin-bottom: 30px;
}

.news-date {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  font-size: 14px;
  background-color: var(--primary-color);
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin-bottom: 40px;
}

.news-title a {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 24px;
  font-weight: 300;
  line-height: 32px;
  height: 96px;
  overflow: hidden;
  margin-bottom: 10px;
  color: var(--text-color);
}

.news-thumb {
  position: relative;
  width: 100%;
  padding-top: 100%;
  border-radius: 50%;
  overflow: hidden;
}

.news-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Swiper 导航按钮样式 */
.swiper-button-next,
.swiper-button-prev {
  color: #333;
  background: rgba(255, 255, 255, 0.8);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.swiper-button-next:after,
.swiper-button-prev:after {
  font-size: 20px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .news-item {
    padding: 15px;
  }

  .news-title {
    font-size: 16px;
  }

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

/* 关于我们 */
.feature-box {
  text-align: center;
  padding: 30px 20px;
  background: white;
  border-radius: 8px;
  transition: all 0.3s ease;
  height: 100%;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: #d07830;
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.feature-icon i {
  color: white;
  font-size: 32px;
  transition: all 0.3s ease;
}

.feature-title {
  color: #333;
  margin-bottom: 15px;
  font-size: 20px;
  transition: all 0.3s ease;
}

.feature-content {
  color: #666;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  transform: translateY(20px);
}

/* 悬停效果 */
.feature-box:hover {
  background: #d07830;
  border-radius: 15px;
}

.feature-box:hover .feature-icon {
  background: white;
  border-radius: 15px;
}

.feature-box:hover .feature-icon i {
  color: #d07830;
}

.feature-box:hover .feature-title {
  color: white;
}

.feature-box:hover .feature-content {
  opacity: 1;
  max-height: 200px;
  transform: translateY(0);
  color: rgba(255, 255, 255, 0.9);
}

/* 响应式调整 */
@media (max-width: 992px) {
  .feature-box {
    margin-bottom: 30px;
  }

  .feature-icon {
    width: 70px;
    height: 70px;
  }

  .feature-icon i {
    font-size: 28px;
  }
}


/* 表单 */
.form-container {
  /* max-width: 800px; */
  width: 100%;
  margin: 0 auto;
  /* padding: 30px; */
  /* background-color: #f8f9fa; */
  /* border-radius: 10px; */
  /* box-shadow: 0 0 20px rgba(0, 0, 0, 0.1); */
}

.form-title {
  text-align: center;
  margin-bottom: 30px;
  color: #333;
}

.form-label {
  font-weight: 500;
  margin-bottom: 8px;
}

.radio-group {
  display: flex;
  gap: 20px;
  margin-bottom: 15px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
}

textarea {
  min-height: 120px;
}

.submit-btn {
  background-color: #d07830;
  border: none;
  padding: 10px 30px;
  font-weight: 500;
  margin-top: 20px;
}

.submit-btn:hover {
  background-color: #b36828;
}

@media (max-width: 768px) {
  .form-container {
    padding: 20px;
  }

  /* .row>div {
    margin-bottom: 15px;
  } */
}

/* footer */
.footer {
  padding: 30px 0;
  background-color: #d07830;
  color: #fff;
}

.footer-tit {
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 30px;
  /*text-transform: uppercase;*/
}

.footer-tit-center {
  text-align: center;
}

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

.search-words {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.search-words a {
  align-items: center;
  border: 1px solid #fff;
  color: #fff;
  display: flex;
  font-size: 1.1rem;
  padding: .5rem 1rem;
  text-decoration: none;
  transition: .3s;
}

.footer-products,
.footer-news {
  display: flex;
  flex-direction: column;
}

.footer-products li {
  margin-bottom: 1rem;
}

.footer-products li a {
  font-size: 1.1rem;
  align-items: center;
  color: inherit;
  display: flex;
  gap: 1rem;
  justify-content: flex-start;
  padding-bottom: 1rem;
  -webkit-user-select: none;
  user-select: none;
}

.footer-products li a img {
  width: 50px;
}

.footer-news li {
  margin-bottom: 1rem;
  text-decoration: none;
  transition: .2s;
  border-bottom: 1px solid #f0a018;
}

.footer-news a {
  font-size: 1.1rem;
  align-items: center;
  color: inherit;
  display: flex;
  gap: 2rem;
  justify-content: flex-end;
  padding-bottom: 1rem;
  -webkit-user-select: none;
  user-select: none;
}

.footer-products li a p,
.footer-news a p {
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.footer-news a span {
  background-color: #fff;
  border-radius: 50%;
  color: #202036;
  display: grid;
  font-size: .8rem;
  min-height: 2rem;
  min-width: 2rem;
  place-items: center;
  transition: .2s;
}

.footer-news li:hover a {
  color: #202036;
}

.footer-news li:hover a span {
  background-color: #202036;
  color: #fff;
}

.footerCopy {
  padding: 30px 0;
  background-color: #f0a018;
}

.footerCopy p.copyright {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 0;
}

.footer-social {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

.footer-social li a {
  align-items: center;
  background-color: #fff;
  border-radius: 50%;
  color: initial;
  cursor: pointer;
  display: flex;
  height: 2.5rem;
  justify-content: center;
  transition: .2s;
  width: 2.5rem;
}

.footer-social li a:hover {
  background-color: var(--primary-color);
}


/* 新闻内页 */
.pageContent {
  padding-top: 130px;
}

.contentDetails,
.contentDetails p,
.contentDetails div {
  color: #555;
  font-size: 1.5rem;
  line-height: 1.4;
  text-align: justify;
}

.contentDetails h1,
.contentDetails h2,
.contentDetails h3,
.contentDetails h4,
.contentDetails h5,
.contentDetails h6 {
  color: #202036;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

/* .contentDetails p {
  margin-bottom: 0;
} */


/* 页面二级栏目 */
.secondary-column {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.secondary-column li a {
  display: block;
  border-radius: .33rem;
  color: #202036;
  font-size: 1.1rem;
  font-weight: 500;
  padding: .3rem .6rem;
  text-align: center;
  text-transform: uppercase;
  transition: .2s;
  -webkit-user-select: none;
  user-select: none;
}

.secondary-column li a:hover {
  color: var(--primary-color);
}

.secondary-column li .active {
  background-color: var(--primary-color);
  color: #fff;
}

/* 区域下拉菜单 */
.region-selector {
  position: relative;
  max-width: 300px;
  width: 100%;
  /* margin: 20px; */
}

.region-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: #fff;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-color);
}

.region-toggle:hover {
  border-color: var(--primary-color);
}

.region-toggle::after {
  content: "▼";
  font-size: 12px;
  color: #999;
  margin-left: 10px;
  transition: transform 0.2s ease;
}

.region-toggle.active::after {
  transform: rotate(180deg);
  color: var(--primary-color);
}

.region-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 0;
  overflow: hidden;
  overflow-y: auto;
  background-color: #fff;
  border: 1px solid transparent;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: max-height 0.3s ease, border-color 0.3s ease;
  z-index: 10;
}

.region-dropdown.active {
  max-height: 300px;
  border-color: var(--border-color);
}

.region-item {
  display: block;
  padding: 12px 15px;
  color: var(--text-color);
  text-decoration: none;
  border-bottom: 1px solid #f5f5f5;
  transition: background-color 0.2s ease;
}

.region-item:last-child {
  border-bottom: none;
}

.region-item:hover {
  background-color: #f9f9f9;
  color: var(--primary-color);
}

.region-item.selected {
  color: var(--primary-color);
  font-weight: bold;
  background-color: #f5f5f5;
}

.no-selection {
  padding: 12px 15px;
  color: #999;
  font-style: italic;
}



/* 常见问题 */
.faq-section {
  width: 100%;
}

.faq-title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 30px;
  color: var(--text-color);
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background-color: #f9f9f9;
  cursor: pointer;
  transition: all 0.2s ease;
}

.faq-question.active {
  color: var(--primary-color);
}

.faq-question h3 {
  width: calc(100% - 20px);
  margin: 0;
  font-size: 18px;
  font-size: 1.4rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.faq-question.active h3 {
  color: var(--primary-color);
}

.faq-arrow {
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform 0.3s ease;
}

.faq-arrow::before,
.faq-arrow::after {
  content: '';
  position: absolute;
  background-color: var(--text-color);
  width: 2px;
  height: 12px;
  top: 4px;
  transition: all 0.3s ease;
}

.faq-arrow::before {
  left: 5px;
  transform: rotate(45deg);
}

.faq-arrow::after {
  right: 5px;
  transform: rotate(-45deg);
}

.faq-question.active .faq-arrow::before,
.faq-question.active .faq-arrow::after {
  background-color: var(--primary-color);
}

.faq-question.active .faq-arrow::before {
  transform: rotate(-45deg);
}

.faq-question.active .faq-arrow::after {
  transform: rotate(45deg);
}

.faq-question:hover h3 {
  color: var(--primary-color);
}

.faq-question:hover .faq-arrow::before,
.faq-question:hover .faq-arrow::after {
  background-color: var(--primary-color);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  background-color: #fff;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.active {
  max-height: 500px;
  overflow-y: auto;
  /* 足够容纳大多数回答 */
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.faq-answer p {
  margin: 0;
  line-height: 1.6;
  color: #555;
  margin: 0;
  font-size: 1.25rem;
  font-weight: 300;
  text-align: justify;
  white-space: pre-line;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .faq-question {
    padding: 15px;
  }

  .faq-question h3 {
    font-size: 16px;
  }

  .faq-answer {
    padding: 0 15px;
  }

  .faq-answer.active {
    padding: 0 15px 15px;
  }
}

/* 下载页 */
.downloadBox {
  background-color: #333;
  overflow: hidden;
  padding: 30px 0;
  width: 100%;
}

.document-thumbnail {
  border-radius: 50% 0 50% 50%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.document-title {
  color: var(--white-color);
  font-size: 1.75rem;
  font-weight: 300;
  line-height: 2;
  margin-bottom: 24px;
  opacity: .9;
}

.document-list li {
  color: var(--primary-color);
  list-style-type: disc;
  margin-left: 1.5rem;
  margin-bottom: 10px;
  font-size: 22px;
  font-weight: 600;
}

.document-list li a {
  color: var(--primary-color);
  line-height: 1.5;
  font-size: 22px;
  position: relative;
}

.document-list li a:hover::after {
  position: absolute;
  content: "";
  bottom: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: var(--primary-color);
}


/* 产品表格 */
.product-container {
  width: 100%;
  overflow-x: auto;
}

.product-table {
  width: 100%;
  min-width: 1200px;
  border-collapse: collapse;
  /* table-layout: fixed; */
}

.product-table tr th {
  text-align: center;
  background-color: #e9e9e9;
}

.product-table tr:hover {
  background-color: #e9e9e9;
}

.product-table th,
.product-table td {
  border-bottom: solid 1px #fff;
  border-right: solid 1px #fff;
}

.product-table tr p,
.product-table tr a {
  margin: 0;
  display: block;
  padding: 10px 15px;
}

.product-table tr th:nth-child(1),
.product-table tr td:nth-child(1),
.product-table tr th:nth-child(6),
.product-table tr td:nth-child(6),
.product-table tr th:nth-child(8),
.product-table tr td:nth-child(8) {
  text-align: center;
}

.pro-thumb {
  width: 90px;
}

.pro-contact-icon {
  width: 30px;
}