/* =========================================
       全局样式 & 品牌配色还原
       ========================================= */
  :root {
      --appar-red: #FF2200;
      --appar-dark: #1A1A1A;
      --appar-light: #F8F9FA;
      --appar-text: #333333;
      --appar-bg-light: #FFF5F5;
  }

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

  body {
      font-family: "Noto Sans TC", "Microsoft YaHei", sans-serif;
      color: var(--appar-text);
      overflow-x: hidden;
  }

  /* 平滑滚动 */
  html {
      scroll-behavior: smooth;
  }

  .dropdown,
  .dropdown-center,
  .dropend,
  .dropstart,
  .dropup,
  .dropup-center {
      position: static;
  }

  /* 语言选择弹框 */
  .lang-modal {
      position: fixed;
      top: 0rem;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(0, 0, 0, 0.5);
      display: flex;
      /* align-items: center; */
      justify-content: center;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.3s ease, visibility 0.3s ease;
      z-index: 1000;
  }

  .lang-modal.show {
      opacity: 1;
      visibility: visible;
  }

  .lang-modal-content {
      background: #fff;
      border-radius: 20px;
      width: 83%;
      height: 23rem;
      padding: 2rem;
      transform: translateY(20px);
      transition: transform 0.3s ease;
      margin-top: 8rem;
  }

  .lang-modal.show .lang-modal-content {
      transform: translateY(0);
  }

  .lang-img-default {
      width: 1.75rem;
      height: 1.75rem;
  }

  .langBtn_pc {
      margin: 0 1rem;
  }

  /* 搜索框 */
  .lang-search {
      position: relative;
      margin-bottom: 1.5rem;
  }

  .lang-search input {
      width: 100%;
      padding: 0.75rem 1rem 0.75rem 3rem;
      border: 1px solid #e5e5e5;
      border-radius: 12px;
      outline: none;
  }

  .lang-search .search-icon {
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      color: #999;
  }

  /* 语言列表 */
  .lang-list {
      list-style: none;
      padding: 0;
      margin: 0;
      max-height: 300px;
      overflow-y: auto;
  }

  .lang-list li {
      padding: 0.75rem 1rem;
      border-radius: 8px;
      cursor: pointer;
      transition: background 0.2s;
  }

  .lang-list li:hover {
      background: #f5f5f5;
  }

  .lang-list li.selected {
      background: #fff0ee;
      color: #ff2b0f;
  }

  /* .dropdown {
      position: static !important;
  } */

  .--text-white {
      color: #fff !important;
  }

  .redtxt {
      color: #FF2200;
  }

  /* 導航欄基礎樣式 - 修复固定定位和响应式 */
  .navbar {
      width: 90%;
      max-width: 1280px;
      height: 5rem;
      background: #ffffff;
      border-radius: 60px;
      padding: 0.75rem 2rem;
      margin: 0rem auto;
      /* 替换固定定位的margin-left，改为auto居中 */
      box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
      position: fixed;
      top: 2.5rem;
      left: 0;
      right: 0;
      /* 配合margin:auto实现自适应居中，替代margin-left:-640px */
      z-index: 9999;
  }

  /* Logo 樣式 */
  .navbar-brand {
      font-weight: 900;
      font-size: 1.75rem;
      color: #ff2a00 !important;
      letter-spacing: -0.5px;
  }

  .navbar-brand img {
      width: 8.01rem;
  }

  /* 導航鏈接樣式 */
  .nav-link {
      color: #212529 !important;
      font-weight: 500;
      font-size: 1rem;
      margin: 0 0.75rem;
      transition: color 0.3s ease;
  }

  .nav-link:hover,
  .nav-link.active {
      color: #ff2a00 !important;
  }

  /* 下拉菜單樣式 */
  .dropdown-menu {
      width: 100%;
      border-radius: 2.5rem;
      border: none;
      box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
      padding: 1.5rem;
      min-width: 800px;
      margin-top: 1.5rem !important;
  }

  .dropdown-menu .headtitle {
      color: #808080;
      font-size: 0.9rem;
  }

  .dropdown-menu .row {
      --bs-gutter-x: 2rem;
  }

  .dropdown-item {
      color: #212529;
      font-weight: 500;
      padding: 0.5rem;
      border-radius: 8px;
      font-size: 1rem;
      transition: background-color 0.2s ease;
  }

  .dropdown-item:hover,
  .dropdown-item.active {
      background-color: #EAEAF0;
      color: #212529;
  }

  /* 下拉菜單右側圖片區 */
  .dropdown-img-container {
      position: relative;

      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: space-between;
  }

  .dropdown-img-container .image {
      width: 18rem;
      height: 12.7rem;
      overflow: hidden;
  }

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

  .dropdown-img-link {
      width: 100%;
      height: 2.5rem;
      line-height: 2.5rem;
      color: #ff2a00;
      font-weight: 600;
      text-decoration: none;
  }

  .dropdown-img-link:hover {
      text-decoration: underline;
  }

  /* 按鈕樣式 */
  .btn-contact {
      background-color: #ff2a00;
      color: #ffffff;
      border-radius: 8px;
      font-weight: 600;
      padding: 0.5rem 1.25rem;
      border: none;
      transition: background-color 0.3s ease;
  }

  .btn-contact:hover {
      background-color: #d92200;
      color: #ffffff;
  }

  /* 漢堡按鈕樣式 - 新增：PC端隐藏汉堡按钮 */
  .navbar-toggler {
      border: none;
      padding: 0.5rem;
      /* PC端默认隐藏汉堡按钮 */
      display: none;
  }

  .navbar-toggler:focus {
      box-shadow: none;
  }

  .navbar-toggler-icon {
      width: 1.5em;
      height: 1.5em;
  }

  /* 移動端菜單樣式 */
  .offcanvas {
      border-radius: 20px;
  }

  .offcanvas-header {
      border-bottom: none;
      padding: 1rem 1.5rem;
  }

  .offcanvas-body {
      padding: 1rem 1.5rem;
      background: #fff;
      height: 80vh;
      overflow-y: scroll;
      border-radius: 1rem;
  }

  .offcanvas .nav-link {
      padding: 0.75rem 0;
      margin: 0;
      border-bottom: 1px solid #f1f1f1;

  }

  .offcanvas .dropdown-menu {
      min-width: 100%;
      box-shadow: none;
      padding: 0.5rem 0;
      border-radius: 0;
  }

  .offcanvas .btn-contact {
      width: 100%;
      margin-top: 1rem;
      padding: 0.75rem;
      border-radius: 12px;
  }

  /* 平板端适配 (lg以下断点：991px及以下) */
  @media (max-width: 991px) {

      /* 显示汉堡按钮 */
      .navbar-toggler {
          display: block;
      }

      /* 隐藏桌面端导航 */
      .navbar-collapse {
          display: none !important;
      }

      .navbar {
          height: 3.75rem;
          border-radius: 20px;
          padding: 0 1.5rem;
          top: 1.5rem;
          margin: 1rem auto;
      }

      .dropdown-menu {
          min-width: 100%;
          margin: 0;
          border-radius: 2.5rem;
          position: relative !important;
          transform: translate3d(0, 0, 0) !important;
          margin-top: 0 !important;
      }

      .dropdown-img-container {
          display: none;
      }

      .lang-modal {
          padding-top: 6rem;
      }

      .lang-modal-content {
          width: 90%;
          margin-top: 0 !important;
      }
  }

  /* 手機端适配 */
  @media (max-width: 799px) {

      .lang-modal-content {
          width: 90%;
          margin-top: 0 !important;
      }

      .navbar {
          height: 48px;
          margin: 0rem auto;
          /* 改为auto居中 */
          padding: 0.5rem 1rem;
          border-radius: 60px;
          top: 1.5rem;
      }

      .container-fluid {
          width: 100%;
          height: 100%;
          display: flex;
          flex-wrap: nowrap !important;
          align-items: center;
          justify-content: center;
      }

      .navbar-brand img {
          width: 5.01rem;
      }

      .offcanvas {
          width: 90% !important;
          top: 5.5rem !important;
          left: 5% !important;
      }

      /* .offcanvas-backdrop.show{
        opacity: 0;
      } */
      .offcanvas .nav-link {
          display: flex;
          align-items: center;
          justify-content: space-between;
      }

      .offcanvas .nav-link::after {
          display: none;
      }

      .dropdownimg {
          width: 1.2rem;
      }
  }

  .offcanvas.offcanvas-top {
      height: 0px !important;
      padding: 0;
  }

  .mobilebox {
      display: flex;
      align-items: center;
  }

  .mobilebox img {
      width: 1.5rem;
      height: 1.5rem;
      background-image: none;
  }



  /* =========================================
       页脚（三端适配）
       ========================================= */
  footer {
      background: var(--appar-light);
      padding: 4rem 0 0rem;
  }

  .footer-logo {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--appar-red);
      margin-bottom: 1rem;
  }

  .footer-logo img {
      width: 9rem;
  }

  .footer-desc {
      color: #666;
      font-size: 0.9rem;
      margin-bottom: 1.5rem;
  }

  .mainpad {
      padding: 3rem 0 0;
  }

  .social-icon {
      width: 2rem;
      width: 2rem;
      border-radius: 50%;
      color: var(--appar-red);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-right: 0.8rem;
      transition: all 0.3s;
  }

  .social-icon img {
      width: 2rem;
      width: 2rem;
  }

  .footer-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: #FF2200;
      margin-bottom: 1rem;
  }

  .footer-link {
      display: block;
      color: #808080;
      text-decoration: none;
      margin-bottom: 0.8rem;
      font-size: 0.9rem;
      transition: color 0.3s;
  }

  .footer-link:hover {
      color: var(--appar-red);
  }

  .footer-contact {
      color: #808080;
      font-size: 0.9rem;
      line-height: 1.8;
  }

  .mail {
      color: var(--appar-red);
      text-decoration: none;
  }

  .tel {
      color: #808080;
      text-decoration: none;
  }

  .copyright {
      text-align: center;
      padding-top: 2rem;
      border-top: 1px solid #E0E0E0;
      color: #999;
      font-size: 0.85rem;
  }

  /* 手机端页脚 */
  @media (max-width: 768px) {
      footer {
          padding: 3rem 0 1.5rem;
      }

      .footer-logo {
          font-size: 2rem;
      }

      .footer-col {
          margin-bottom: 2rem;
      }
  }

  /* =========================================
       CTA区块（三端适配）
       ========================================= */
  .cta-section {
      background: #FFEFED;
      padding: 4rem 0;
  }

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

  .cta-text h3 {
      font-size: 2.8rem;
      font-weight: 700;
      color: var(--appar-dark);
      margin-bottom: 1rem;
  }

  .cta-text p {
      color: #808080;
      font-size: 0.95rem;
      line-height: 1.6;
  }

  .cta-btn {
      width: 12.5rem;
      height: 12.5rem;
      border-radius: 50%;
      background: var(--appar-red);
      color: #FFFFFF;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s;
  }

  .cta-btn img {
      width: 3.125rem;
      height: 3.125rem;
  }

  .cta-btn:hover {
      transform: scale(1.1);
      background: #D92200;
  }

  /* 平板端CTA */
  @media (max-width: 992px) {
      .cta-content {
          flex-direction: column;
          text-align: center;
      }

      .cta-text {
          margin-bottom: 2rem;
      }

      /* .cta-btn {
        width: 70px;
        height: 70px;
        font-size: 1rem;
      } */
  }

  /* 手机端CTA */
  @media (max-width: 768px) {
      .cta-section {
          padding: 3rem 0;
      }

      .cta-text h3 {
          font-size: 1.4rem;
      }

      .cta-btn {
          width: 9.375rem;
          height: 9.375rem;
      }

      .cta-text p {
          font-size: 0.9rem;
      }

      .mainpad {
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          padding-bottom: 1rem;
      }

      .mainpad div {
          text-align: center;
      }
  }

  /* =========================================
       回到顶部按钮
       ========================================= */
  .back-to-top {
      position: fixed;
      bottom: 1.875rem;
      right: 1.875rem;
      width: 4.5rem;
      height: 4.5rem;
      cursor: pointer;
      transition: all 0.3s;
      z-index: 999;
  }

  .back-to-top img {
      width: 4.5rem;
      height: 4.5rem;
  }

  .back-to-top:hover {
      transform: translateY(-3px);
  }

  /* 手机端回到顶部 */
  @media (max-width: 768px) {
      .back-to-top {
          width: 4.5rem;
          height: 4.5rem;
          bottom: 1.25rem;
          right: 1.25rem;
      }
  }