@media (min-width: 1200px) {
  .mobile-nav {
    display: none !important;
  }
  .menu-icon {
    display: none !important;
  }
  .desktop-nav {
    display: flex !important;
  }
  .desktop-controls {
    display: flex !important;
  }
  .product-slide {
    gap: 2rem;
    width: auto;
  }
  .product-card {
    flex: 0 0 calc(33.333% - 1.333rem);
  }
  .media-slide {
    gap: 2rem;
  }
  .media-item {
    flex: 0 0 calc((100% - 4rem) / 3);
  }
}
@media (min-width: 769px) {
  .mobile-only {
    display: none !important;
  }
  .mobile-indicator {
    display: none !important;
  }
  .language-item {
    display: none !important;
  }
  .series-dropdown {
    display: none !important;
  }
  .dropdown-toggle {
    display: none !important;
  }
  .cookie-content {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
  }
  .cookie-text-wrapper {
    flex: 1;
  }
  .cookie-buttons {
    flex-shrink: 0;
    min-width: auto;
    justify-content: flex-end;
  }
}
@media (max-width: 1280px) {
  .nav-links {
    padding: 0.75rem .6rem;
  }
}
@media (max-width: 1200px) {
  .cookie-banner {
    height: 170px;
  }
  .map-section {
    padding: 0 1rem;
  }
  .cert-content {
    padding: 0 1rem;
  }
  .process-content {
    padding: 0 1rem;
  }
  .gray-section {
    padding: 90px 1rem;
  }
  .tech-section {
    padding: 90px 1rem 90px;
  }
  .three-column-images {
    padding: 0 1rem;
  }
  .product-section {
    width: 100%;
    max-width: 100%;
  }
  .product-type-image img {
    height: 280px !important;
  }
  .system-diagram {
    padding: 0 1rem;
  }
  .iot-diagram {
    padding: 0 1rem;
  }
  .application-cards {
    padding: 0 1rem;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }
  .roi-section {
    padding: 80px 1rem 90px;
  }
  .case-item-in {
    max-width: 1000px;
  }
  .steps-container {
    gap: 1rem;
  }
}
@media (max-width: 1199px) {
  .turbomax-logo-large {
    font-size: 10rem;
  }
  .hex-image.office {
    top: 200px;
    right: 120px;
    animation-delay: 2s;
  }
  .navbar-container {
    padding: 1rem 1.5rem;
  }
  .navbar-logo img {
    height: 24px !important;
  }
  .desktop-nav {
    display: none !important;
  }
  .desktop-controls {
    display: none !important;
  }
  .menu-icon {
    display: flex !important;
  }
  .mobile-nav {
    display: flex !important;
  }
  .navbar-logo img {
    margin-top: .2rem;
  }
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 54px;
    flex-direction: column;
    background-color: rgba(0, 15, 35, 0.98);
    width: 100%;
    text-align: left;
    transition: left 0.3s ease;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 0;
    z-index: 999;
    height: calc(100vh - 76px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    min-height: 100vh;
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-menu .nav-item.dropdown-open > .nav-links {
    background: rgba(0, 212, 255, 0.3);
    color: #00d4ff;
  }
  .nav-item {
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-item:last-child {
    border-bottom: none;
  }
  .nav-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
    width: 100%;
    color: #ffffff;
    font-size: 1rem;
    text-align: left;
  }
  .nav-links:hover {
    background: rgba(0, 212, 255, 0.8);
    color: #fff;
  }
  .mobile-language-item .nav-links {
    padding: 0.6rem 2rem;
    margin-left: 1.6rem;
    margin-top: 0rem;
    margin-bottom: 0rem;
  }
  .nav-item .dropdown {
    position: static !important;
    display: none;
    background: rgba(0, 30, 60, 0.98) !important;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    width: 100%;
    border: none;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    opacity: 1;
    visibility: visible;
    transform: none;
    min-width: auto;
  }
  .nav-item .dropdown.show {
    display: block !important;
  }
  .nav-item .dropdown li {
    padding: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .nav-item .dropdown li:last-child {
    border-bottom: none;
  }
  .nav-item .dropdown li a {
    display: block;
    padding: 1.2rem 2.5rem 1.2rem 3rem !important;
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 0.95rem !important;
    font-weight: 400 !important;
    background: transparent !important;
    border-radius: 0;
    text-align: left;
    margin: 0;
  }
  .dropdown-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-left: auto;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #00d4ff;
    background: rgba(0, 212, 255, 0.15);
    border-radius: 6px;
    font-size: 0.85rem;
  }
  .dropdown-toggle:hover {
    background: rgba(0, 212, 255, 0.25);
  }
  .dropdown-toggle i {
    transition: transform 0.3s ease;
  }
  .nav-item.dropdown-open .dropdown-toggle {
    background: rgba(0, 212, 255, 0.3);
  }
  .nav-item.dropdown-open .dropdown-toggle i {
    transform: rotate(180deg);
  }
  .navbar-controls {
    display: none;
  }
  .nav-menu .language-item {
    display: block !important;
    margin: 0;
    text-align: center;
    padding: 1rem 0;
  }
  .nav-menu .language-item a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
    display: inline-block;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
  }
  .nav-menu .language-item a:hover {
    background: rgba(0, 212, 255, 0.3);
    border-color: rgba(0, 212, 255, 0.5);
    color: #00d4ff;
  }
  .about-text {
    padding-right: 0rem;
    padding-left: 2rem;
  }
  .about-section {
    padding: 4rem 0 5rem;
  }
  .article-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .article-sidebar {
    position: static;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .menu-icon {
    display: flex;
  }
  .desktop-controls {
    display: none;
  }
  .nav-menu {
    position: fixed;
    left: 0;
    top: 54px;
    flex-direction: column;
    background-color: rgba(0, 15, 35, 0.98);
    width: 100%;
    text-align: left;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
    padding: 0;
    z-index: 999;
    max-height: calc(100vh - 66px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
  }
  .nav-menu::after {
    content: '';
    display: block;
    height: 80px;
    flex-shrink: 0;
  }
  .nav-menu.active {
    transform: translateX(0);
  }
  .nav-item {
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-item:last-child {
    border-bottom: none;
  }
  .nav-links {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 1.2rem 2.5rem 1.2rem 3rem;
    width: auto;
    font-size: 1rem;
    border-radius: 0;
  }
  .nav-links:hover {
    background: rgba(0, 212, 255, 0.8);
    transform: none;
  }
  .nav-item.active > .nav-links, .nav-menu .nav-item.active > .nav-links {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.2), transparent) !important;
    color: #00d4ff !important;
    font-weight: 500 !important;
    border-left: 4px solid #00d4ff !important;
  }
  /* 排除語言選項的 active 樣式 */
  .mobile-language-item.active > .nav-links {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #ffffff !important;
    font-weight: 400 !important;
    border-left: none !important;
  }
  .nav-item.open > .nav-links {
    background: rgba(0, 212, 255, 0.8);
  }
  .nav-links .link-text {
    flex: 1;
    display: block;
  }
  .nav-links .dropdown-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-left: auto;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #fff;
    border-radius: 6px;
    font-size: 0.85rem;
  }
  .nav-links .dropdown-arrow:hover {
    background: rgba(0, 212, 255, 0);
  }
  .nav-links .dropdown-arrow i {
    transition: transform 0.3s ease;
  }
  .nav-item.open .dropdown-arrow {
    background: rgba(0, 212, 255, 0);
  }
  .nav-item.open .dropdown-arrow i {
    transform: rotate(180deg);
    color: #fff;
  }
  .dropdown {
    position: static;
    display: none;
    background: rgba(0, 30, 60, 0.98);
    padding: 0;
    margin: 0;
    width: 100%;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-left: none;
    border-right: none;
    border-bottom: none;
  }
  .dropdown.show {
    display: block;
  }
  .dropdown li {
    padding: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .dropdown li:last-child {
    border-bottom: none;
  }
  .dropdown a {
    display: block;
    padding: 1rem 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 400;
    background: transparent;
    border-radius: 0;
    margin: 0;
  }
  .dropdown a:hover {
    background: rgba(0, 212, 255, 0.15);
    color: #00d4ff;
    padding-left: 3rem;
    transform: none;
  }
  .mobile-language-item {
    display: block;
    margin: 1rem 1.9rem 1.5rem;
    padding: 1rem 0;
    border-bottom: none !important;
    border-top: none;
    background: rgba(0, 15, 35, 0);
  }
  .mobile-language-item .nav-links {
    padding: 0.6rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    font-weight: 400;
    font-size: 0.9rem;
    display: inline-flex;
    width: auto;
    margin-left: 1.rem;
    margin-top: 0rem;
  }
  .mobile-language-item .nav-links:hover {
    background: rgba(0, 212, 255, 0.3);
  }
  .mobile-language-item .dropdown-arrow {
    display: none;
  }
  .nav-menu {
    display: none;
  }
  .menu-icon {
    display: flex;
  }
  .nav-menu.active {
    display: flex;
  }
  .navbar {
    background: rgba(10, 15, 28, 0.8);
  }
  .navbar.scrolled {
    background: rgba(10, 15, 28, 0.8);
  }
  .navbar-container {
    padding: 1rem 1.1rem 1.2rem 1.1rem;
  }
  .navbar.scrolled .navbar-container {
    padding: 1rem 1.1rem 1.2rem 1.1rem;
  }
  .navbar-container {
    justify-content: space-between;
  }
  .menu-icon {
    margin-left: auto;
    margin-right: 0;
  }
  .hero-content h1 {
    font-size: 3rem;
  }
  .about-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-slide {
    gap: 1.5rem;
    width: auto;
  }
  .product-card {
    flex: 0 0 100%;
    padding: 1rem;
  }
  .products-section {
    padding: 6rem 0;
  }
  .technology-section {
    padding: 10rem 2rem;
  }
  .media-carousel {
    padding: 0 70px;
  }
  .media-slide {
    gap: 1.5rem;
  }
  .media-item {
    flex: 0 0 100%;
  }
  .product-gallery-container {
    flex-direction: column;
    align-items: center
  }
  .thumbnail-gallery {
    flex-direction: row;
    justify-content: center;
  }
  .roi-content {
    flex-direction: column;
  }
  .roi-chart {
    flex: none;
    width: 100%;
    max-width: 600px;
  }
  /* Case Item RWD 優化 - 平板 */
  .case-item-in {
    flex-direction: column;
    gap: 30px;
    margin: 60px auto;
    padding: 0 20px;
  }
  .case-thumbnails {
    flex-direction: row;
    flex: none;
    width: 100%;
    justify-content: center;
    gap: 12px;
    order: 1;
  }
  .case-main-image {
    flex: none;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    order: 2;
  }
  .case-content {
    width: 100%;
    padding: 0;
    order: 3;
  }
  .thumbnail-item {
    width: 90px;
    height: 90px;
  }
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .blog-section {
    padding: 0px 1rem;
  }
  .social-share-buttons {
    display: inline-flex
  }
  .share-btn {
    max-width: 50px;
    width: 50px;
  }
}
@media (max-width: 820px) {
  .index-about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hex-image.building {
    top: 0px;
    right: 50px;
    animation-delay: 0s;
  }
  .hex-image.office {
    top: 180px;
    right: 280px;
    animation-delay: 2s;
  }
  .about-text {
    padding-right: 4rem;
    padding-left: 4rem;
  }
  .pagination {
    gap: 5px;
    margin-top: 40px;
  }
  .pagination-btn, .pagination-number {
    min-width: 36px;
    height: 36px;
    font-size: 14px;
  }
  /* Case Item RWD 優化 - 手機版 */
  .case-item-in {
    gap: 25px;
    margin: 50px auto;
    padding: 0 15px;
  }
  .case-thumbnails {
    gap: 10px;
    flex-wrap: wrap;
  }
  .thumbnail-item {
    width: 75px;
    height: 75px;
  }
  .case-main-image {
    max-width: 100%;
  }
  .case-content {
    padding: 0;
  }
  .case-title {
    font-size: 1.3rem !important;
    margin-bottom: 20px;
  }
  .case-content p {
    font-size: 0.95rem;
    line-height: 1.7;
  }
  .product-gallery-container {
    flex-direction: column;
    gap: 20px;
  }
  .thumbnail-gallery {
    max-height: 300px;
    max-width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .main-product-image {
    height: 300px;
    order: -1;
  }
  .thumbnail-item {
    width: 80px;
    height: 80px;
    padding: 6px;
  }
  .modal-container {
    width: 95%;
    max-height: 95vh;
    border-radius: 8px;
  }
  .modal-header {
    padding: 16px 20px;
    border-radius: 8px 8px 0 0;
  }
  .modal-title {
    font-size: 18px;
  }
  .modal-close {
    width: 32px;
    height: 32px;
    font-size: 20px;
  }
  .modal-body {
    padding: 20px 15px;
  }
  .modal-image-wrapper {
    padding: 15px;
  }
  .modal-footer {
    padding: 15px 20px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .modal-btn {
    padding: 8px 16px;
    font-size: 13px;
    flex: 1;
    min-width: 120px;
    justify-content: center;
  }
  .article-main-title {
    font-size: 28px;
  }
  .article-meta-info {
    flex-wrap: wrap;
    gap: 10px;
  }
  .meta-divider {
    display: none;
  }
  .article-lead {
    padding: 20px;
  }
  .article-lead p {
    font-size: 16px;
  }
  .article-body {
    font-size: 16px;
  }
  .article-body h2 {
    font-size: 24px;
    margin: 40px 0 20px;
  }
  .article-body h3 {
    font-size: 20px;
  }
  .highlight-box {
    padding: 25px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .sidebar-widget {
    padding: 20px;
  }
  .social-share-buttons {
    gap: 15px;
  }
  .share-btn {
    font-size: 16px;
  }
  .article-featured-image {
    max-width: 100%;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
  .hero-controls {
    display: none;
  }
  .products-carousel {
    max-width: 100%;
    padding: 0 30px;
    position: relative;
  }
  .products-container {
    overflow: hidden;
  }
  .product-slide {
    gap: 1rem;
    width: auto;
  }
  .product-card {
    flex: 0 0 calc(100% - 1rem) !important;
    max-width: calc(100% - 1rem) !important;
    min-width: calc(100% - 1rem) !important;
    padding: 2rem 1.5rem;
    margin: 0;
  }
  .product-card img {
    max-width: 60%;
    width: 60%;
    height: 300px !important;
    margin: 0 auto 1.5rem;
    object-fit: contain;
  }
  .product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: #007bbf;
  }
  .product-card p {
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.6;
  }
  .products-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
  }
  .products-carousel .carousel-controls {
    display: flex !important;
    position: absolute;
    top: 40%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    justify-content: space-between;
    pointer-events: none;
    z-index: 10;
  }
  .products-carousel .carousel-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.9);
    color: #007bbf;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    pointer-events: auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    margin: 0;
    position: relative;
  }
  .products-carousel .carousel-btn:hover {
    background: #007bbf;
    color: white;
    transform: scale(1.1);
  }
  .products-carousel .carousel-prev {
    left: 5px;
  }
  .products-carousel .carousel-next {
    right: 5px;
  }
  .media-section {
    padding: 5rem 0;
  }
  .media-carousel {
    padding: 0 50px;
  }
  .media-slide {
    gap: 1rem;
  }
  .media-item {
    flex: 0 0 calc(100% - 1rem);
    width: calc(100% - 1rem);
    min-width: calc(100% - 1rem);
    max-width: calc(100% - 1rem);
    padding: 0;
    box-sizing: border-box;
  }
  .media-thumbnail {
    width: 100% !important;
    height: 0 !important;
    padding-bottom: 56.25% !important;
    margin: 0 !important;
  }
  .media-title {
    font-size: 0.95rem;
    padding: 1rem 1.5rem;
    min-height: auto;
  }
  .desktop-only {
    display: none !important;
  }
  .mobile-only {
    display: flex !important;
  }
  .desktop-indicator {
    display: none !important;
  }
  .mobile-indicator {
    display: inline-block !important;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .footer-content {
    display: flex !important;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .footer-logo {
    order: 1;
  }
  .footer-links {
    order: 2;
    display: flex;
    gap: 1rem;
    justify-content: center;
  }
  .stats-grid, .network-stats, .milestone-grid, .regions-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .footer-bottom a {
    display: block;
  }
  .tab-nav {}
  .tab-btn {
    display: none;
  }
  .series-dropdown {
    display: block !important;
    width: 90%;
    max-width: 400px;
    margin: 2rem auto 2rem;
  }
  .series-dropdown select {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    color: #ffffff;
    background: rgba(0, 123, 191, 0.2);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 24px;
  }
  .series-dropdown select:focus {
    outline: none;
    border-color: #00d4ff;
    background: rgba(0, 123, 191, 0.3);
    background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 24px;
  }
  .series-dropdown option {
    background: #001529;
    color: #ffffff;
    padding: 1rem;
  }
  .carousel-controls {
    display: flex !important;
    padding: 0;
    top: 40%;
  }
  .carousel-btn {
    display: flex !important;
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
  .cookie-modal {
    padding: 10px;
  }
  .cookie-modal-content {
    max-height: 95vh;
  }
  .cookie-modal-header {
    padding: 20px 20px 15px;
  }
  .cookie-modal-header h2 {
    font-size: 22px;
  }
  .cookie-modal-body {
    padding: 20px;
  }
  .cookie-category {
    padding: 15px;
  }
  .cookie-category-title {
    flex-wrap: wrap;
  }
  .cookie-category-title h3 {
    font-size: 16px;
  }
  .cookie-modal-footer {
    flex-direction: column;
    padding: 15px 20px 20px;
  }
  .cookie-btn {
    width: 100%;
    justify-content: center;
  }
  .cookie-message {
    bottom: 20px;
    right: 20px;
    left: 20px;
  }
  /* 只讓表格可以橫向滾動 */
  .table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 2rem 0;
  }
  /* 表格基本樣式 */
  .spec-table {
    font-size: 0.75rem;
    min-width: 700px;
    white-space: nowrap;
  }
  .spec-table th, .spec-table td {
    padding: 8px 6px;
    font-size: 0.7rem;
  }
  .product-type-image img {
    height: auto !important;
    width: 88% !important;
    margin-left: auto;
    margin-right: auto;
  }
  .cookie-banner {
    height: 420px;
  }
  .vision-grid, .core-value-grid, .business-area-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .mission-section .section-title, .vision-section .section-title, .core-value-section .section-title, .business-area-section .section-title {
    font-size: 2rem;
  }
  .mission-section .mission-main-title {
    font-size: 1.5rem;
  }
  .mission-section .mission-main-title br {
    display: none;
  }
  .mission-section .mission-subtitle {
    font-size: 1rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .location-header {
    font-size: 1.5rem;
  }
  .map-embed {
    height: 400px;
  }
  .section-title {
    font-size: 2rem;
  }
  .cert-tabs {
    flex-direction: column;
    align-items: center;
  }
  .cert-tab-btn {
    width: 100%;
    max-width: 300px;
  }
  .cert-grid {
    grid-template-columns: 1fr;
  }
  .application-cards {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }
  .application-card {
    height: 300px;
  }
  .application-card-title {
    font-size: 24px;
  }
  .application-card-subtitle {
    font-size: 16px;
  }
  .roi-section {
    padding: 60px 20px;
  }
  .case-studies-section h2 {
    font-size: 32px;
  }
  .case-title {
    font-size: 22px;
  }
  .case-item:nth-child(even) {
    padding: 40px 20px;
    margin-left: -20px;
    margin-right: -20px;
  }
  .thumbnail-item {
    width: 70px;
    height: 70px;
  }
  .lightbox-close {
    top: 20px;
    right: 20px;
    font-size: 30px;
  }
  .comparison-table {
    font-size: 12px;
  }
  .comparison-table th, .comparison-table td {
    padding: 8px 10px;
  }
  .carbon-section h2, .we-doing-section h2, .we-think-section h2, .net-zero-title {
    font-size: 32px;
  }
  .main-slogan h3 {
    font-size: 24px;
  }
  .steps-container {
    grid-template-columns: 1fr;
    gap: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center
  }
  .step-icon::after {
    display: none;
  }
  .lightbox-close {
    top: 20px;
    right: 20px;
    font-size: 30px;
  }
  .article-title {
    font-size: 28px;
  }
  .article-content {
    font-size: 16px;
  }
  .article-content h2 {
    font-size: 24px;
  }
  .article-content h3 {
    font-size: 20px;
  }
  .blog-section {
    background: white;
    padding: 60px 20px;
  }
  .blog-header h2 {
    font-size: 32px;
  }
  .blog-header p {
    font-size: 16px;
  }
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .blog-card-content {
    padding: 25px;
  }
  .blog-card-title {
    font-size: 20px;
  }
  .contact-section {
    padding: 60px 20px;
  }
  .contact-header h2 {
    font-size: 32px;
  }
  .contact-info {
    padding: 30px 20px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .captcha-group {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
  }
  .captcha-question {
    display: flex;
    justify-content: center;
  }
  .captcha-input, .captcha-refresh {
    flex: 1;
  }
  .refresh-btn {
    width: 100%;
  }
  .form-bottom {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }
  .form-checkbox {
    justify-content: center;
  }
  .form-submit {
    text-align: center;
  }
  .submit-btn {
    width: 100%;
    justify-content: center;
  }
  .privacy-modal-content {
    max-height: 95vh;
  }
  .privacy-modal-header {
    padding: 20px;
  }
  .privacy-modal-header h3 {
    font-size: 22px;
  }
  .privacy-modal-body {
    padding: 20px;
  }
  .privacy-intro h2 {
    font-size: 32px;
  }
  .privacy-section h3 {
    font-size: 24px;
  }
  .privacy-section h4 {
    font-size: 18px;
  }
  .privacy-contact {
    padding: 30px 20px;
  }
  .three-feature-cards {
    grid-template-columns: 1fr;
  }
  .product-types {
    grid-template-columns: 1fr;
  }
  .turbomax-logo-large {
    font-size: 60px;
  }
  .series-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 20px;
  }
  .series-btn {
    width: 100%;
    padding: 12px 30px;
  }
  .main-product-image {
    height: 300px;
  }
  .thumbnail-item {
    width: 100px;
    height: 100px;
  }
  .product-section h2 {
    font-size: 36px;
  }
  .maxcon-intro h3 {
    font-size: 32px;
  }
  .iot-title {
    font-size: 48px;
  }
  .air-bearing-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .comparison-images {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 2rem;
  }
  .nstb-header h2 {
    font-size: 2rem;
  }
  .reversible-section h2 {
    font-size: 2rem;
  }
  .image-showcase {
    grid-template-columns: 1fr;
  }
  .tech-tabs-container {
    overflow-x: auto;
    justify-content: flex-start;
  }
  .tech-hero h1 {
    font-size: 36px;
  }
  .tech-hero .subtitle {
    font-size: 18px;
  }
  .tech-section h2 {
    font-size: 32px;
  }
  .tech-section h3 {
    font-size: 24px;
  }
  .content-card {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .process-steps {
    flex-direction: column;
  }
  .process-arrow {
    transform: rotate(90deg);
  }
  .tech-hero h1 {
    font-size: 36px;
  }
  .tech-hero .subtitle {
    font-size: 18px;
  }
  .tech-section h2 {
    font-size: 32px;
  }
  .tech-section h3 {
    font-size: 24px;
  }
  .content-card {
    grid-template-columns: 1fr;
  }
  .tech-hero h1 {
    font-size: 36px;
  }
  .tech-hero .subtitle {
    font-size: 18px;
  }
  .tech-section h2 {
    font-size: 32px;
  }
  .tech-section h3 {
    font-size: 24px;
  }
  .three-column-images {
    grid-template-columns: 1fr;
  }
  .side-by-side {
    grid-template-columns: 1fr;
  }
  .terms-intro h2 {
    font-size: 32px;
  }
  .terms-section h3 {
    font-size: 24px;
  }
  .terms-section h4 {
    font-size: 18px;
  }
  .terms-contact {
    padding: 30px 20px;
  }
  .vision-grid, .core-value-grid, .business-area-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .mission-section .section-title, .vision-section .section-title, .core-value-section .section-title, .business-area-section .section-title {
    font-size: 2rem;
  }
  .mission-section .mission-main-title {
    font-size: 1.5rem;
  }
  .mission-section .mission-subtitle {
    font-size: 1rem;
  }
  .timeline::before {
    left: 30px;
  }
  .timeline-year {
    font-size: 2.5rem;
  }
  .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
    flex-direction: row;
    padding-left: 80px;
    padding-right: 20px;
  }
  .timeline-item:nth-child(odd) .timeline-year::after, .timeline-item:nth-child(even) .timeline-year::after {
    left: -48px;
    right: auto;
  }
  .timeline-item:nth-child(odd) .timeline-events, .timeline-item:nth-child(even) .timeline-events {
    text-align: left;
    margin-left: 20px;
    margin-right: 0;
  }
  .timeline-item:nth-child(odd) .timeline-event, .timeline-item:nth-child(even) .timeline-event {
    justify-content: flex-start;
    flex-direction: column;
    align-items: flex-start;
  }
  .timeline-item:nth-child(odd) .timeline-event .event-description, .timeline-item:nth-child(even) .timeline-event .event-description {
    order: 2;
    margin: 8px 0 0 0;
    text-align: left;
  }
  .timeline-item:nth-child(odd) .timeline-event .event-month, .timeline-item:nth-child(even) .timeline-event .event-month {
    order: 1;
    text-align: left;
    margin: 0;
  }
  .section-title {
    font-size: 2rem;
  }
  .location-header {
    font-size: 1.5rem;
  }
  .map-embed {
    height: 400px;
  }
  .section-title {
    font-size: 2rem;
  }
  .cert-tabs {
    flex-direction: column;
    align-items: center;
  }
  .cert-tab-btn {
    width: 100%;
    max-width: 300px;
  }
  .cert-grid {
    grid-template-columns: 1fr;
  }
  .application-cards {
    grid-template-columns: 1fr;
  }
  .application-card {
    height: 300px;
  }
  .application-card-title {
    font-size: 24px;
  }
  .application-card-subtitle {
    font-size: 16px;
  }
  .roi-section {
    padding: 60px 20px;
  }
  .case-studies-section h2 {
    font-size: 32px;
  }
  .case-title {
    font-size: 22px;
  }
  .case-item:nth-child(even) {
    padding: 20px 20px;
    margin-left: -20px;
    margin-right: -20px;
  }
  .thumbnail-item {
    width: 70px;
    height: 70px;
  }
  .lightbox-close {
    top: 20px;
    right: 20px;
    font-size: 30px;
  }
  .comparison-table {
    font-size: 12px;
  }
  .comparison-table th, .comparison-table td {
    padding: 8px 10px;
  }
  .carbon-section h2, .we-doing-section h2, .we-think-section h2, .net-zero-title {
    font-size: 32px;
  }
  .main-slogan h3 {
    font-size: 24px;
  }
  .steps-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .step-icon::after {
    display: none;
  }
  .lightbox-close {
    top: 20px;
    right: 20px;
    font-size: 30px;
  }
  .article-title {
    font-size: 28px;
  }
  .article-content {
    font-size: 16px;
  }
  .article-content h2 {
    font-size: 24px;
  }
  .article-content h3 {
    font-size: 20px;
  }
  .blog-section {
    background: white;
    padding: 60px 20px;
  }
  .blog-header h2 {
    font-size: 32px;
  }
  .blog-header p {
    font-size: 16px;
  }
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .blog-card-content {
    padding: 25px;
  }
  .blog-card-title {
    font-size: 20px;
  }
  .contact-section {
    padding: 60px 20px;
  }
  .contact-header h2 {
    font-size: 32px;
  }
  .contact-info {
    padding: 30px 20px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .captcha-group {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
  }
  .captcha-question {
    display: flex;
    justify-content: center;
  }
  .captcha-input, .captcha-refresh {
    flex: 1;
  }
  .refresh-btn {
    width: 100%;
  }
  .form-bottom {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }
  .form-checkbox {
    justify-content: center;
  }
  .form-submit {
    text-align: center;
  }
  .submit-btn {
    width: 100%;
    justify-content: center;
  }
  .privacy-modal-content {
    max-height: 95vh;
  }
  .privacy-modal-header {
    padding: 20px;
  }
  .privacy-modal-header h3 {
    font-size: 22px;
  }
  .privacy-modal-body {
    padding: 20px;
  }
  .privacy-intro h2 {
    font-size: 32px;
  }
  .privacy-section h3 {
    font-size: 24px;
  }
  .privacy-section h4 {
    font-size: 18px;
  }
  .privacy-contact {
    padding: 30px 20px;
  }
  .three-feature-cards {
    grid-template-columns: 1fr;
  }
  .product-types {
    grid-template-columns: 1fr;
  }
  .turbomax-logo-large {
    font-size: 60px;
  }
  .series-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 20px;
  }
  .series-btn {
    width: 100%;
    padding: 12px 30px;
  }
  .main-product-image {
    height: 300px;
  }
  .thumbnail-item {
    width: 100px;
    height: 100px;
  }
  .product-section h2 {
    font-size: 36px;
  }
  .maxcon-intro h3 {
    font-size: 32px;
  }
  .iot-title {
    font-size: 48px;
  }
  .air-bearing-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .comparison-images {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 2rem;
  }
  .nstb-header h2 {
    font-size: 2rem;
  }
  .reversible-section h2 {
    font-size: 2rem;
  }
  .tech-hero h1 {
    font-size: 36px;
  }
  .tech-hero .subtitle {
    font-size: 18px;
  }
  .tech-section h2 {
    font-size: 32px;
  }
  .tech-section h3 {
    font-size: 26px;
  }
  .image-showcase {
    grid-template-columns: 1fr;
  }
  .tech-tabs-container {
    overflow-x: auto;
    justify-content: flex-start;
  }
  .tech-hero h1 {
    font-size: 36px;
  }
  .tech-hero .subtitle {
    font-size: 18px;
  }
  .tech-section h2 {
    font-size: 32px;
  }
  .tech-section h3 {
    font-size: 24px;
  }
  .content-card {
    grid-template-columns: 1fr;
  }
  .process-steps {
    flex-direction: column;
  }
  .process-arrow {
    transform: rotate(90deg);
  }
  .tech-hero h1 {
    font-size: 36px;
  }
  .tech-hero .subtitle {
    font-size: 18px;
  }
  .tech-section h2 {
    font-size: 32px;
  }
  .tech-section h3 {
    font-size: 24px;
  }
  .content-card {
    grid-template-columns: 1fr;
  }
  .tech-hero h1 {
    font-size: 36px;
  }
  .tech-hero .subtitle {
    font-size: 18px;
  }
  .tech-section h2 {
    font-size: 32px;
  }
  .tech-section h3 {
    font-size: 24px;
  }
  .three-column-images {
    grid-template-columns: 1fr;
  }
  .side-by-side {
    grid-template-columns: 1fr;
  }
  .terms-intro h2 {
    font-size: 32px;
  }
  .terms-section h3 {
    font-size: 24px;
  }
  .terms-section h4 {
    font-size: 18px;
  }
  .terms-contact {
    padding: 30px 20px;
  }
}
@media (max-width: 767px) {
  /* Case Item RWD 優化 - 小螢幕手機 */
  .case-item-in {
    gap: 20px;
    margin: 40px auto;
    padding: 0 1.5rem;
  }
  .case-thumbnails {
    gap: 8px;
  }
  .thumbnail-item {
    width: 65px;
    height: 65px;
    border-width: 2px;
  }
  .case-title {
    font-size: 1.2rem !important;
    margin-bottom: 15px;
  }
  .case-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.8rem;
  }
  .thumbnail-gallery {
    gap: 10px;
    max-height: 250px;
  }
  .modal-container {
    width: 94%;
    max-height: 100vh;
  }
  .modal-btn {
    width: 100%;
  }
  .navbar-container {
    padding: 0.8rem 1rem 1rem;
  }
  .navbar.scrolled .navbar-container {
    padding: 0.8rem 1rem 1rem;
  }
  .navbar-logo img {
    height: 22px !important;
  }
  .nav-links {
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
  }
  .dropdown a {
    padding: 0.9rem 2rem;
    font-size: 0.9rem;
  }
  .mobile-nav-link {
    padding: .9rem 1.5rem .9rem 2.2rem;
    font-size: 1rem;
    font-weight: 600;
  }
  .mobile-nav-item.open > .mobile-nav-link {
    background: rgba(0, 212, 255, 0.8);
    color: #ffffff;
  }
  .mobile-dropdown a {
    padding: 0.7rem 3.1rem;
    font-size: 0.9rem;
  }
  .mobile-nav-link .dropdown-arrow {
    width: 28px;
    height: 28px;
  }
  .nav-item.dropdown-open .dropdown-toggle {
    background: rgba(0, 212, 255, 0.3);
  }
  .hero-content h1 {
    font-size: 1.8rem;
  }
  .hero-content h1 br {
    display: none;
  }
  .section-title {
    font-size: 2rem;
  }
  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
  .product-card {
    padding: 0rem 1rem !important;
    flex: 0 0 calc(100% - 1rem) !important;
    max-width: calc(100% - 1rem) !important;
    min-width: calc(100% - 1rem) !important;
  }
  .product-card img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin-bottom: 0rem !important;
  }
  .product-card h3 {
    font-size: 1.5rem !important;
    margin-bottom: 0.5rem !important;
  }
  .product-card p {
    font-size: 0.9rem !important;
  }
  .page-hero-content h1 {
    font-size: 2rem;
  }
  .section-header h2 {
    font-size: 2rem;
  }
  .content-text h2 {
    font-size: 2.2rem;
  }
  .tab-btn {
    padding: 0.8rem 1rem;
    font-size: 0.8rem;
  }
  .patent-header {
    font-size: 1.2rem;
  }
  .cert-card h3 {
    font-size: 1.1rem;
  }
  .milestone-year {
    font-size: 1.8rem;
  }
  .region-name {
    font-size: 1.1rem;
  }
  .nav-links {
    padding: 1rem 1.3rem 1rem 1.8rem;
    font-size: 0.95rem;
  }
  .nav-item .dropdown li a {
    padding: 0.9rem 2rem !important;
    font-size: 0.9rem !important;
  }
  .dropdown-toggle {
    width: 28px;
    height: 28px;
  }
  .cookie-modal-header h2 {
    font-size: 20px;
  }
  .cookie-category-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .cookie-switch {
    align-self: flex-end;
  }
  .about-text h2 {
    font-size: 2rem;
  }
  .about-text h2 .subtitle {
    font-size: 1.5rem;
  }
  .index-about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-text {
    padding-right: 0rem;
    padding-left: .3rem;
  }
  .about-description {
    font-size: 1rem;
    line-height: 1.8;
  }
  .hex-image {
    width: 100%;
    height: 180px;
    animation: none;
    margin-bottom: 1rem;
  }
  .hex-image.building {
    top: 0;
    right: 0;
    position: relative;
  }
  .hex-image.office {
    top: 0;
    right: 0;
    position: relative;
  }
  .about-visual {
    height: auto;
  }
  .technology-section {
    padding: 6rem 0;
  }
  section h2 {
    font-size: 2rem;
  }
  .tech-card {
    margin: 0 1rem;
    padding: 1.5rem 1.5rem 2rem;
  }
  .products-section {
    padding: 5rem 0;
  }
  .media-section {
    padding: 5rem 0;
  }
  .footer-logo img {
    height: 26px !important;
  }
  .footer-links a {
    font-size: .9rem;
  }
  .media-carousel {
    padding: 0 10px;
  }
  .media-slide {
    gap: 1rem;
    margin-left: 0;
  }
  .media-item {
    flex: 0 0 calc(100% - 1rem);
    width: calc(100% - 1rem);
  }
  .media-thumbnail {
    padding-bottom: 80%;
  }
  .play-button {
    width: 50px;
    height: 50px;
  }
  .play-button i {
    font-size: 1.2rem;
  }
  .media-title {
    font-size: 0.9rem;
    min-height: 2.5rem;
  }
  .loading-logo img {
    height: 30px !important;
    filter: brightness(1.2);
  }
  .carousel-indicators {
    margin-top: 1.5rem;
  }
  .content-main {
    padding: 60px 0 70px;
  }
  .content-main h2 {
    margin-bottom: 2rem !important;
    line-height: 1.4;
    font-size: 2rem;
  }
  .content-main p {
    margin-bottom: 0rem;
  }
  .timeline {
    padding: 0;
  }
  .timeline-item .timeline-year::after {
    left: -44px !important;
  }
  .timeline-item {
    left: 0 !important;
    right: auto !important;
    padding-left: 50px !important;
    margin-bottom: 40px;
  }
  .timeline-year {
    padding-top: 8px;
  }
  .timeline-events {
    width: 100%;
    max-width: 100%;
    display: block;
    margin-left: 0 !important;
  }
  .timeline-event {
    flex-direction: row !important;
  }
  .event-description {
    margin-top: 0 !important;
  }
  .timeline-item:nth-child(odd) .timeline-year {
    right: auto;
    text-align: left;
  }
  .timeline-item:nth-child(even) .timeline-year {
    right: auto;
    left: auto;
  }
  .timeline-item:nth-child(odd) {
    padding-left: 60px !important;
  }
  .timeline-item:nth-child(even) {
    padding-left: 60px !important;
  }
  .cert-tabs {
    gap: 1rem;
    margin-bottom: 40px;
  }
  .cert-content {
    padding: 0 2rem;
  }
  /* 手機版：只讓表格可以橫向滾動 */
  .table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1.5rem -1rem;
    padding: 0 1rem;
  }
  .spec-table {
    font-size: 0.65rem;
    min-width: 600px;
  }
  .spec-table th, .spec-table td {
    padding: 6px 4px;
    font-size: 0.65rem;
    line-height: 1.3;
  }
  .cookie-modal-content {
    border-radius: 8px;
  }
  .certificates-section {
    padding: 0;
  }
  .tech-content-section {
    padding: 70px 1rem;
  }
  .reversible-section {
    padding: 70px 1rem;
  }
  .core-value-section {
    padding: 70px 1rem;
  }
  .vision-section {
    padding: 70px 1rem;
  }
  .business-area-section {
    padding: 70px 1rem;
  }
  .tech-section {
    padding: 70px 1rem;
  }
  .tdr-section {
    padding: 70px 1rem;
  }
  .machining-section {
    padding: 70px 1rem;
  }
  .gray-section {
    padding: 70px 1rem;
  }
  .spec-table-container {
    padding: 40px 1rem;
  }
  .product-section {
    padding: 70px 1rem;
  }
  .main-slogan {
    padding: 0px 1rem 70px;
  }
  .we-doing-section {
    padding: 70px 1rem;
  }
  .net-zero-section {
    padding: 70px 1rem;
  }
  .blog-section {
    padding: 0px 20px 20px;
  }
  .we-think-section {
    padding: 0 1rem 70px;
  }
  .white-section {
    padding: 40px 1rem;
  }
  .content-main {
    padding: 60px 0rem 70px;
  }
  .process-section {
    padding: 0 1rem 70px;
  }
  .air-bearing-intro {
    margin-bottom: 0;
  }
  .mission-section {
    margin-top: -60px;
  }
  .vision-item .vision-title {
    line-height: 1.2;
    margin-bottom: 1rem;
  }
  .content-main h4 {
    font-size: 1.1rem;
  }
  .turbomax-logo-large {
    font-size: 50px;
    letter-spacing: 5px;
  }
  .field-application-section {
    padding: 0px 0px 30px;
  }
  .product-intro {
    padding: 0 1rem;
  }
  .product-gallery-view {
    padding: 0 1rem;
  }
  .case-studies-section {
    overflow: hidden;
  }
  .content-main h3 {
    font-size: 1.6rem;
  }
  .page-hero.blog-banner {
    min-height: 150px !important;
    height: 150px !important;
    background-size: cover !important;
  }
  .faq-header p {
    margin-bottom: 20px;
    font-size: 1rem;
    padding: 0 1rem;
  }
  .faq-question {
    padding: 20px 20px;
  }
  .faq-answer-content {
    padding: 25px;
  }
  .contact-form {
    padding: 0 .2rem;
  }
  .location-details {
    padding: 20px
  }
}