/* ==================== 全局变量 ==================== */
:root {
  --primary-color: #1a1a1a;
  --secondary-color: #333333;
  --accent-color: #0066cc;
  --text-color: #333333;
  --text-light: #ffffff;
  --bg-light: #f5f5f5;
  --bg-dark: #1a1a1a;
}

/* ==================== 重置样式 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "微软雅黑", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #fff;
}

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

a:hover {
  opacity: 0.8;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  list-style: none;
}

/* ==================== 布局工具类 ==================== */
.wapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.disFlex {
  display: flex;
}

.jusBet {
  justify-content: space-between;
}

.aliCet {
  align-items: center;
}

/* 间距工具类 */
.pt80 {
  padding-top: 80px;
}

.pt120 {
  padding-top: 120px;
}

.pb80 {
  padding-bottom: 80px;
}

.mt10 {
  margin-top: 10px;
}

.mt20 {
  margin-top: 20px;
}

.mt40 {
  margin-top: 40px;
}

.mt80 {
  margin-top: 80px;
}

/* 背景色 */
.bg1 {
  background-color: var(--bg-light);
}

/* 文字颜色 */
.fff {
  color: var(--text-light);
}

/* 文字对齐 */
.textCet {
  text-align: center;
}

/* ==================== 标题样式 ==================== */
.iTit {
  font-size: 36px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 20px;
}

.iTit2 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 15px;
}

.iTit3 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 10px;
}

.iTxt {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-color);
}

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

/* ==================== 按钮和链接 ==================== */
.iMore {
  display: inline-block;
  margin-top: 20px;
}

.iMore a {
  display: inline-flex;
  align-items: center;
  padding: 10px 30px;
  border: 2px solid var(--primary-color);
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
}

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

.iMore a i {
  display: inline-block;
  width: 20px;
  height: 2px;
  background-color: currentColor;
  margin-right: 10px;
}

.iMore2 a {
  display: inline-block;
  padding: 12px 40px;
  background-color: var(--text-light);
  color: var(--primary-color);
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.iMore2 a:hover {
  background-color: var(--accent-color);
  color: var(--text-light);
}

/* ==================== 响应式断点 ==================== */
@media (max-width: 767px) {
  .wapper {
    padding: 0 20px;
  }

  .iTit {
    font-size: 28px;
  }

  .iTit2 {
    font-size: 24px;
  }

  .iTit3 {
    font-size: 20px;
  }

  .pt80 {
    padding-top: 40px;
  }

  .pt120 {
    padding-top: 60px;
  }

  .pb80 {
    padding-bottom: 40px;
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .wapper {
    max-width: 960px;
  }
}


/* ==================== 导航栏 Header ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 3000;
  padding: 15px 0;
}

.headList {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.menuBtn {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  padding: 10px 15px;
  border: 1px solid var(--primary-color);
  border-radius: 4px;
  transition: all 0.3s ease;
}

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

.menuBtn .icon {
  width: 20px;
  height: 2px;
  background-color: currentColor;
  position: relative;
  margin-right: 10px;
  transition: all 0.3s ease;
}

.menuBtn .icon::before,
.menuBtn .icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  left: 0;
  transition: all 0.3s ease;
}

.menuBtn .icon::before {
  top: -6px;
}

.menuBtn .icon::after {
  bottom: -6px;
}

/* 菜单打开时的X样式 */
.menuBtn.active .icon {
  background-color: transparent;
}

.menuBtn.active .icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menuBtn.active .icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

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

.language a {
  display: flex;
  align-items: center;
  padding: 5px 10px;
}

.language img {
  height: 24px;
  width: auto;
}

/* 页面顶部占位 */
.hHei {
  height: 70px;
}

/* ==================== 顶部下拉导航面板 HeadTc ==================== */
.headTc {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s ease;
}

.headTc.active {
  visibility: visible;
  opacity: 1;
}

.headTcBg {
  position: absolute;
  top: 70px;
  left: 0;
  width: 100%;
  height: calc(100% - 70px);
  background-color: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.headTcBox {
  position: absolute;
  top: 70px;
  left: 0;
  width: 100%;
  max-height: 500px;
  background-color: #fff;
  transform: translateY(-100%);
  transition: transform 0.4s ease;
  overflow-y: auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.headTc.active .headTcBox {
  transform: translateY(0);
}

.headTcTop {
  padding: 20px 0 15px;
  background-color: #fff;
  border-bottom: 1px solid #e0e0e0;
}

.headTcTitle {
  font-size: 18px;
  font-weight: 400;
  color: #333;
  margin: 0;
}

.headTcCet {
  padding: 30px 0;
  background-color: #fff;
}

.headTcWarp {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.headTcWarp .left {
  flex: 0 0 300px;
}

.headTcWarp .line {
  width: 1px;
  height: 300px;
  background-color: #e0e0e0;
}

.headTcWarp .right {
  flex: 1;
  max-width: 500px;
}

.headMenu ul {
  list-style: none;
}

.headMenu li {
  margin-bottom: 15px;
}

.headMenu a {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-color);
  display: block;
  padding: 8px 0;
  transition: all 0.3s ease;
}

.headMenu a:hover,
.headMenu li.cur a {
  color: var(--accent-color);
}

.headTcWarp .right .img {
  margin-bottom: 15px;
  border-radius: 4px;
  overflow: hidden;
}

.headTcWarp .right .img img {
  width: 500px;
  height: auto;
}

.headTcWarp .right .tit {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.6;
  color: var(--text-color);
}

.headTcWarp .right .txt {
  font-size: 13px;
  line-height: 1.8;
  color: #666;
}

/* ==================== 语言切换面板 LangPanel ==================== */
.langPanel {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: 2500;
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s ease;
}

.langPanel.active {
  visibility: visible;
  opacity: 1;
}

.langPanelBg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.langPanelBox {
  position: absolute;
  top: 0;
  right: 0;
  width: 450px;
  max-width: 90%;
  height: 100%;
  background-color: #fff;
  transform: translateX(100%);
  transition: transform 0.4s ease;
  overflow-y: auto;
  box-shadow: -2px 0 12px rgba(0, 0, 0, 0.15);
}

.langPanel.active .langPanelBox {
  transform: translateX(0);
}

.langPanelTop {
  display: flex;
  justify-content: flex-end;
  padding: 20px 30px;
  border-bottom: 1px solid #e0e0e0;
}

.closeBtn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #666;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 50%;
}

.closeBtn:hover {
  background-color: #f5f5f5;
  color: #333;
}

.langPanelContent {
  padding: 30px;
}

.langTitle {
  font-size: 24px;
  font-weight: 600;
  color: #333;
  margin-bottom: 25px;
}


.langOptions {
  display: flex;
  flex-direction: row;
  gap: 20px;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #e0e0e0;
}

.langOption {
  font-size: 16px;
  color: #666;
  transition: all 0.3s ease;
  cursor: pointer;
  padding: 0;
  border: none;
  background: none;
}

.langOption:hover {
  color: #333;
}

.langOption.active {
  color: #000;
  font-weight: 600;
}

.langName,
.langNative {
  display: none;
}

/* 语言菜单样式 */
.langMenu {
  margin-top: 20px;
}

.langMenuTitle {
  font-size: 14px;
  font-weight: 600;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 15px;
}

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

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

.langMenu a {
  font-size: 15px;
  color: #333;
  padding: 8px 0;
  display: block;
  transition: all 0.3s ease;
}

.langMenu a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.langRegions,
.regionGroup,
.regionTitle,
.regionLinks,
.globalSite {
  display: none;
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
  .langPanelBox {
    width: 100%;
    max-width: 100%;
  }

  .langPanelContent {
    padding: 20px;
  }

  .langTitle {
    font-size: 20px;
  }
}


/* ==================== 页脚 Footer ==================== */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.fWarp {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.fLogo img {
  height: 80px;
  width: auto;
  filter: brightness(0) invert(1);
}

.fMenu {
  margin-bottom: 30px;
}

.fMenu ul {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.fMenu a {
  font-size: 14px;
  color: var(--text-light);
  transition: all 0.3s ease;
}

.fMenu a:hover {
  color: var(--accent-color);
}

.cop {
  font-size: 14px;
  color: #999;
  line-height: 1.8;
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
  .headTcBox {
    max-height: 80vh;
  }

  .headTcWarp {
    flex-direction: column;
    gap: 30px;
  }

  .headTcWarp .left {
    flex: 1;
  }

  .headTcWarp .line {
    display: none;
  }

  .headTcWarp .right {
    max-width: 100%;
  }

  .fWarp {
    flex-direction: column;
  }

  .fMenu ul {
    flex-direction: column;
    gap: 10px;
  }
}


/* ==================== Banner Hero区域 ==================== */
.banner {
  position: relative;
  width: 100%;
  /* height: 100vh; */
  min-height: 600px;
  overflow: hidden;
}

.bannerVideo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.bannerVideo video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banTop {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  z-index: 10;
  text-align: center;
  color: var(--text-light);
  background: none !important;
  background-color: transparent !important;
}

.banTop * {
  background: none !important;
  background-color: transparent !important;
}

.banTop .wapper {
  background: none !important;
  background-color: transparent !important;
}

.banTop .desc {
  background: none !important;
  background-color: transparent !important;
  padding: 0;
}

.banTit {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 30px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  background: none !important;
  background-color: transparent !important;
  color: var(--text-light) !important;
}

.banTxt {
  font-size: 18px;
  line-height: 1.8;
  max-width: 800px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  background: none !important;
  background-color: transparent !important;
  color: var(--text-light) !important;
}

/* ==================== 内容板块 Index3 ==================== */
.index3 {
  background-color: #fff;
}

.i3List {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.i3Item .part {
  display: flex;
  align-items: center;
  gap: 60px;
}

.i3Item:nth-child(even) .part {
  flex-direction: row-reverse;
}

.i3Item .desc {
  flex: 1;
}

.i3Item .img {
  flex: 1;
  border-radius: 8px;
  overflow: hidden;
}

.i3Item .img img {
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.i3Item .img:hover img {
  transform: scale(1.05);
}

/* ==================== 内页顶部 innerTop ==================== */
.innerTop {
  background-color: var(--bg-light);
  padding: 30px 0;
  margin-top: 70px;
}

.innerTop .warp {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.innerTop ul {
  display: flex;
  gap: 30px;
}

.innerTop li a {
  font-size: 16px;
  padding: 8px 20px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.innerTop li.on a {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.hHei2 {
  height: 20px;
}

/* ==================== 面包屑导航 p_page ==================== */
.p_page {
  padding: 20px 0;
  background-color: var(--bg-light);
}

.p_page .current {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #666;
}

.p_page .current a {
  color: #666;
  transition: all 0.3s ease;
}

.p_page .current a:hover {
  color: var(--accent-color);
}

.p_page .current a:not(:last-child)::after {
  content: '>';
  margin-left: 10px;
  color: #999;
}

/* ==================== 通用横幅 tongtu ==================== */
.tongtu {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
}

.tongtu .img {
  width: 100%;
  height: 100%;
}

.tongtu .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tongtu .imgTop {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  z-index: 10;
}

/* ==================== 关于我们板块 about3 ==================== */
.about3 {
  background-color: #fff;
}

.abo3Warp {
  display: flex;
  gap: 60px;
}

.abo3Warp .left {
  flex: 0 0 300px;
}

.abo3Warp .right {
  flex: 1;
}

/* ==================== 卡片列表 about5 ==================== */
.about5 .i1List ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.about5 .part {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.about5 .part:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.about5 .part .img {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.about5 .part .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.about5 .part:hover .img img {
  transform: scale(1.1);
}

.about5 .part .desc {
  padding: 30px;
}

.about5 .part .top {
  margin-bottom: 15px;
}

.about5 .part .txt {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
  .banner {
    min-height: 300px;
  }

  .banTop {
    top: 35%;
    padding: 0 !important;
    background: none !important;
    background-color: transparent !important;
  }

  .banTop * {
    background: none !important;
    background-color: transparent !important;
  }

  .banTop .wapper {
    padding: 0 20px !important;
    background: none !important;
    background-color: transparent !important;
  }

  .banTop .desc {
    background: none !important;
    background-color: transparent !important;
    padding: 0 !important;
  }

  .banTit {
    font-size: 28px;
    line-height: 1.3;
    margin-bottom: 20px;
    background: none !important;
    background-color: transparent !important;
    text-align: left !important;
    color: var(--text-light) !important;
  }

  .banTxt {
    font-size: 14px;
    line-height: 1.6;
    padding: 0 !important;
    background: none !important;
    background-color: transparent !important;
    text-align: left !important;
    max-width: 100%;
    color: var(--text-light) !important;
  }

  .i3Item .part {
    flex-direction: column !important;
    gap: 30px;
  }

  .abo3Warp {
    flex-direction: column;
    gap: 30px;
  }

  .abo3Warp .left {
    flex: 1;
  }

  .innerTop .warp {
    flex-direction: column;
    gap: 20px;
  }

  .innerTop ul {
    flex-wrap: wrap;
    gap: 15px;
  }

  .about5 .i1List ul {
    grid-template-columns: 1fr;
  }
}

/* 针对特定移动设备尺寸的优化 */
@media (max-width: 430px) {
  .banTop {
    background: none !important;
    background-color: transparent !important;
  }

  .banTop * {
    background: none !important;
    background-color: transparent !important;
  }

  .banTop .wapper {
    background: none !important;
    background-color: transparent !important;
  }

  .banTop .desc {
    background: none !important;
    background-color: transparent !important;
  }

  .banTit {
    font-size: 24px;
    margin-bottom: 15px;
    background: none !important;
    background-color: transparent !important;
    color: var(--text-light) !important;
  }

  .banTxt {
    font-size: 13px;
    line-height: 1.5;
    background: none !important;
    background-color: transparent !important;
    color: var(--text-light) !important;
  }
}


/* ==================== 联系表单 ==================== */
.contact-section {
  padding: 80px 0;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.contact-item {
  padding: 30px;
  background-color: var(--bg-light);
  border-radius: 8px;
  text-align: center;
}

.contact-item .icon {
  font-size: 32px;
  color: var(--accent-color);
  margin-bottom: 15px;
}

.contact-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.contact-item p {
  font-size: 14px;
  color: #666;
}

.contact-form {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  background-color: var(--bg-light);
  border-radius: 8px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 14px;
}

.form-group label .required {
  color: red;
  margin-left: 3px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: red;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  text-align: center;
  margin-top: 30px;
}

.form-submit button {
  padding: 15px 50px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-submit button:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.error-message {
  color: red;
  font-size: 14px;
  margin-top: 10px;
  padding: 10px;
  background-color: #fee;
  border: 1px solid #fcc;
  border-radius: 4px;
}

.success-message {
  color: green;
  font-size: 16px;
  padding: 15px;
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  border-radius: 4px;
  margin-top: 20px;
}

.map-container {
  margin-top: 60px;
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--bg-light);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* 响应式 */
@media (max-width: 767px) {
  .contact-form {
    padding: 30px 20px;
  }

  .form-submit button {
    width: 100%;
  }
}


/* ==================== 时间线 Timeline ==================== */
.timeline {
  position: relative;
  padding: 40px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--accent-color);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 60px;
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  justify-content: flex-start;
}

.timeline-item:nth-child(even) {
  justify-content: flex-end;
}

.timeline-content {
  width: 45%;
  padding: 30px;
  background-color: var(--bg-light);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: relative;
}

.timeline-item:nth-child(even) .timeline-content {
  text-align: right;
}

.timeline-year {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 10px;
}

.timeline-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.timeline-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--accent-color);
  border: 4px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--accent-color);
  z-index: 10;
}

/* ==================== 团队成员 Team ==================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.team-member {
  text-align: center;
}

.team-photo {
  width: 200px;
  height: 200px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--bg-light);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 5px;
}

.team-position {
  font-size: 14px;
  color: var(--accent-color);
  margin-bottom: 10px;
}

.team-bio {
  font-size: 14px;
  line-height: 1.6;
  color: #666;
}

/* ==================== 愿景使命 Vision ==================== */
.vision-mission {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.vision-box {
  padding: 40px;
  background: linear-gradient(135deg, var(--accent-color), #0052a3);
  color: var(--text-light);
  border-radius: 8px;
  text-align: center;
}

.vision-box h3 {
  font-size: 24px;
  margin-bottom: 20px;
}

.vision-box p {
  font-size: 16px;
  line-height: 1.8;
}

/* 响应式 - 移动端 */
@media (max-width: 767px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    justify-content: flex-start !important;
    padding-left: 50px;
  }

  .timeline-content {
    width: 100%;
  }

  .timeline-item:nth-child(even) .timeline-content {
    text-align: left;
  }

  .timeline-dot {
    left: 20px;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .vision-mission {
    grid-template-columns: 1fr;
  }
}


/* ==================== 产品分类导航 ==================== */
.product-categories {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin: 40px 0;
}

.category-btn {
  padding: 12px 30px;
  background-color: #fff;
  border: 2px solid var(--primary-color);
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
  background-color: var(--primary-color);
  color: var(--text-light);
}

/* ==================== 产品网格 ==================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.product-card {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.product-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  background-color: var(--bg-light);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-info {
  padding: 25px;
}

.product-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-color);
}

.product-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
  margin-bottom: 15px;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.feature-tag {
  padding: 5px 12px;
  background-color: var(--bg-light);
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent-color);
}

/* ==================== 搜索框 ==================== */
.product-search {
  max-width: 600px;
  margin: 40px auto;
  position: relative;
}

.product-search input {
  width: 100%;
  padding: 15px 50px 15px 20px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  transition: all 0.3s ease;
}

.product-search input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.product-search button {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  padding: 10px 20px;
  background-color: var(--accent-color);
  color: var(--text-light);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.product-search button:hover {
  background-color: var(--primary-color);
}

/* ==================== 产品详情模态框 ==================== */
.product-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 3000;
  overflow-y: auto;
}

.product-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background-color: #fff;
  border-radius: 8px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal-close:hover {
  background-color: var(--accent-color);
}

.modal-body {
  padding: 40px;
}

.modal-image {
  width: 100%;
  height: 400px;
  margin-bottom: 30px;
  border-radius: 8px;
  overflow: hidden;
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
}

.modal-description {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
  margin-bottom: 30px;
}

.modal-specs {
  margin-top: 30px;
}

.modal-specs h3 {
  font-size: 24px;
  margin-bottom: 20px;
}

.spec-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.spec-item {
  padding: 15px;
  background-color: var(--bg-light);
  border-radius: 4px;
}

.spec-label {
  font-size: 14px;
  color: #999;
  margin-bottom: 5px;
}

.spec-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color);
}

/* ==================== 分页控件 ==================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin: 60px 0 40px;
}

.page-btn {
  padding: 12px 24px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
  background-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.page-btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  opacity: 0.6;
}

.page-info {
  font-size: 16px;
  color: #666;
  font-weight: 500;
}

/* ==================== 模态框中的特性和应用 ==================== */
.modal-features,
.modal-applications {
  margin-top: 30px;
}

.modal-features h3,
.modal-applications h3 {
  font-size: 20px;
  margin-bottom: 15px;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-badge {
  padding: 8px 16px;
  background-color: var(--accent-color);
  color: var(--text-light);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
}

.modal-applications ul {
  padding-left: 20px;
}

.modal-applications li {
  font-size: 15px;
  line-height: 2;
  color: #666;
}


/* 响应式 */
@media (max-width: 767px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-categories {
    flex-direction: column;
  }

  .category-btn {
    width: 100%;
  }

  .modal-body {
    padding: 20px;
  }

  .modal-title {
    font-size: 24px;
  }

  .modal-image {
    height: 250px;
  }

  .spec-list {
    grid-template-columns: 1fr;
  }
}