/* Product Detail Page Styles */
/* News Page Styles */
* {
  margin: 0;
  padding: 0;
}

html,
body {
  background: #ffffff !important;
  padding-top: calc(30px + 1rem) !important;
}
/* Left: Thumbnails */
.product-thumbnails {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex-shrink: 0;
}

.product-thumbnail-item {
    width: 120px;
    height: 120px;
    background: #ffffff;
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    border: 2px solid transparent;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    box-sizing: border-box;
}

.product-thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-thumbnail-item.product-thumbnail-active {
    border-color: #06ADA9;
}

.product-thumbnail-item:hover {
    border-color: #06ADA9;
}

/* Page Container */
.product_detail_page {
    width: 100%;
    padding: 60px 0;
    background-color: #ffffff;
}

.product_detail_container {
    max-width: 1600px;
    width: 90%;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

/* Left: Main Product Image */
.product_detail_image {
    flex: 1;
    min-width: 0;
}

.product_detail_image img {
    width: 100%;
    height: 657px;
    display: block;
    border-radius: 8px;
}

/* Right: Product Info & Navigation */
.product_detail_info {
    width: 500px;
    flex-shrink: 0;
}

/* Product Title */
.product_detail_title {
    font-family: DM_Sans_bold;
    font-weight: 700;
    font-size: 36px;
    color: #06ADA9;
    line-height: 47px;
    margin: 0 0 40px 0;
}

/* Thumbnail Navigation */
.product_detail_nav {
    display: flex;
    gap: 20px;
}

.nav_prev,
.nav_next {
    flex: 1;
}

/* Navigation Links */
.nav_link,
.nav_disabled {
    width: 300px;
    display: block;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.nav_link:hover {
    transform: translateY(-3px);
}

/* Thumbnail Image */
.nav_thumb {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    height: 450px;
    background-color: #f5f5f5;
    margin-bottom: 12px;
}

.nav_thumb img {
   width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.4s ease;
}

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

/* Navigation Label */
.nav_label {
    font-family: DM_Sans_regular;
    font-weight: 400;
    font-size: 14px;
    color: #333333;
    line-height: 18px;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.nav_link:hover .nav_label {
    color: #06ADA9;
}

/* Disabled State */
.nav_disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.nav_disabled .nav_thumb {
    filter: grayscale(100%);
}

.nav_disabled .nav_label {
    color: #999999;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .product_detail_container {
        flex-direction: column;
        gap: 40px;
    }

    .product_detail_info {
        width: 100%;
    }

    .product_detail_title {
        font-size: 28px;
        line-height: 36px;
    }
}

@media (max-width: 768px) {
    .product_detail_page {
        padding: 30px 0;
    }

    .product_detail_container {
        width: 95%;
        gap: 30px;
    }

    .product_detail_title {
        font-size: 24px;
        line-height: 32px;
        margin-bottom: 30px;
    }

    .product_detail_nav {
        gap: 15px;
    }

    .nav_label {
        font-size: 12px;
        line-height: 16px;
    }
}

/* Product Tabs Section */
.product_tabs_section {
    width: 100%;
    padding: 60px 0;
    background-color: #ffffff;
}

.product_tabs_container {
    max-width: 1600px;
    width: 90%;
    margin: 0 auto;
}

/* Tab Navigation Buttons */
.product_tabs_nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    background-color: #F3F7F7;
}

.product_tab_btn {
    font-family: DM_Sans_regular;
    font-weight: 400;
    font-size: 16px;
    color: #222222;
    background: transparent;
    border-radius: 4px;
    padding: 12px 32px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 22px;
    border: none;
    outline:none;
}

.product_tab_btn.active{
    border: none !important;
    outline:none;
    border-bottom:3px solid #06ADA9 !important;
}

.product_tab_btn:hover {
    color: #06ADA9;
}

.product_tab_btn.active {
    border: 2px solid #06ADA9;
    color: #06ADA9;
    background: transparent;
    font-weight: 600;
}

/* Tab Content */
.product_tab_panel {
    display: none;
}

.product_tab_panel.active {
    display: block;
}

/* Product Introduction Title */
.product_tab_title {
    font-family: DM_Sans_bold;
    font-weight: 700;
    font-size: 24px;
    color: #333333;
    line-height: 78px;
    margin-bottom: 20px;
}

/* Product Description */
.product_tab_desc {
    font-family: DM_Sans_regular;
    
    font-size: 16px;
    color: #666666;
    line-height: 30px;
    margin-bottom: 40px;
}

.product_tab_desc p {
    margin-bottom: 20px;
}

.product_tab_desc table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    font-size: 14px;
    color: #333333;
}

.product_tab_desc table th,
.product_tab_desc table td {
    border: 1px solid #d0d0d0;
    padding: 12px 20px;
    text-align: center;
    vertical-align: middle;
    line-height: 1.6;
}

.product_tab_desc table thead th {
    background-color: #F3F7F7;
    font-weight: 600;
    color: #333333;
    white-space: nowrap;
    font-size: 15px;
}

.product_tab_desc table tbody tr:hover {
    background-color: #F9F9F9;
}

/* Sub Title */
.product_sub_title {
    font-family: DM_Sans_bold;
    font-weight: 700;
    font-size: 24px;
    color: #333333;
    line-height: 78px;
    margin-bottom: 20px;
}

/* Features List */
.product_features_list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product_features_list li {
    font-family: DM_Sans_regular;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 30px;
    padding-left: 24px;
    margin-bottom: 16px;
    position: relative;
}

.product_features_list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 8px;
    height: 8px;
    background-color: #06ADA9;
    border-radius: 50%;
}

/* Tab Content Responsive */
@media (max-width: 768px) {
    .product_tabs_section {
        padding: 40px 0;
    }

    .product_tabs_nav {
        flex-wrap: wrap;
        gap: 12px;
        margin-bottom: 40px;
    }

    .product_tab_btn {
        font-size: 14px;
        padding: 10px 20px;
    }

    .product_tab_title,
    .product_sub_title {
        font-size: 20px;
        line-height: 40px;
    }

    .product_tab_desc,
    .product_features_list li {
        font-size: 14px;
        line-height: 26px;
    }
}

/* FAQ & Contact Form Section */
.faq_form_section {
    width: 100%;
    padding: 80px 0;
    background-color: #ffffff;
}

.faq_form_container {
    max-width: 1600px;
    width: 90%;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

/* FAQ Section */
.faq_section {
    flex: 0 0 calc(50% - 30px);
    min-width: 0;
}

.faq_title {
    font-family: DM_Sans_bold;
    font-weight: 600;
    font-size: 36px;
    color: #000000;
    line-height: 100px;
    margin-bottom: 40px;
}

.faq_list {
    border-top: 1px solid #eeeeee;
}

.faq_item {
    border-bottom: 1px solid #eeeeee;
    cursor: pointer;
}

.faq_question {
    display: flex;
    align-items: center;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.faq_icon {
    font-family: DM_Sans_medium;
    font-weight: 500;
    font-size: 16px;
    color: #000000;
    margin-right: 12px;
    flex-shrink: 0;
}

.faq_icon:hover {
    color: #06ADA9;
}

.faq_text {
    font-family: DM_Sans_regular;
    font-weight: 300;
    font-size: 16px;
    color: #000000;
    line-height: 32px;
    flex: 1;
}

.faq_text:hover {
    color: #06ADA9;
}

.faq_item.active .faq_text{
    color: #06ADA9;
}
/* 展开激活时，Q1图标也同步高亮 */
.faq_item.active .faq_icon{
    color: #06ADA9;
}

.faq_toggle {
    font-family: DM_Sans_regular;
    font-weight: 400;
    font-size: 20px;
    color: #06ADA9;
    margin-left: 16px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq_answer {
    display: none;
    padding: 0 0 20px 28px;
}

.faq_item.active .faq_answer {
    display: block;
}

.faq_answer p {
    font-family: DM_Sans_regular;
    font-weight: 300;
    font-size: 16px;
    color: #666666;
    line-height: 32px;
}

/* Contact Form Section */
.contact_form_section {
    flex: 0 0 calc(50% - 30px);
}

.contact_form_title {
    font-family: DM_Sans_bold;
    font-weight: 600;
    font-size: 30px;
    color: #06ADA9;
    line-height: 49px;
    text-align: center;
    margin-bottom: 40px;
}

/* Discuz Contact Form */
.contact__form .form-horizontal {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.contact__form .form-horizontal > * {
    display: none !important;
}

.contact__form .form-horizontal .fc-form-body {
    display: flex !important;
    flex-wrap: wrap;
    gap: 20px;
    width: 100% !important;
}

.contact__form .form-horizontal .fc-form-body > *,
.contact__form .form-horizontal .fc-form-body > div > * {
    display: block !important;
}

.contact__form .form-horizontal .fc-form-body .form-group {
    flex: 1;
    min-width: calc(50% - 10px);
    max-width: calc(50% - 10px);
    display: flex !important;
    flex-direction: column;
}

.contact__form .form-horizontal .fc-form-body .form-group > label,
.contact__form .form-horizontal .fc-form-body .form-group .control-label {
    display: none !important;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 {
    width: 100% !important;
    padding: 0 !important;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input {
    width: 100% !important;
    height: auto;
    padding: 15px 20px !important;
    background: #F5F5F5 !important;
    border: none !important;
    border-radius: 12px !important;
    font-size: 0.9rem !important;
    color: #333333 !important;
    outline: none !important;
    font-family: inherit !important;
    box-sizing: border-box !important;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input::placeholder {
    color: #666666 !important;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 textarea {
    width: 100% !important;
    min-height: 200px !important;
    padding: 15px 20px !important;
    background: #F5F5F5 !important;
    border: none !important;
    border-radius: 12px !important;
    font-size: 0.9rem !important;
    color: #333333 !important;
    outline: none !important;
    font-family: inherit !important;
    box-sizing: border-box !important;
    resize: vertical !important;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 textarea::placeholder {
    color: #666666 !important;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 select,
.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input[type="file"] {
    width: 100% !important;
    padding: 15px 20px !important;
    background: #F5F5F5 !important;
    border: none !important;
    border-radius: 12px !important;
    font-size: 0.9rem !important;
    color: #333333 !important;
    outline: none !important;
    font-family: inherit !important;
    box-sizing: border-box !important;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input[type="file"] {
    height: auto !important;
    min-height: 50px;
    padding: 10px !important;
    cursor: pointer;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input[type="file"]::file-selector-button {
    padding: 8px 20px;
    background: #06ADA9;
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    margin-right: 15px;
}

.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input:focus,
.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 textarea:focus,
.contact__form .form-horizontal .fc-form-body .form-group .col-md-10 select:focus {
    background: #FFFFFF !important;
    box-shadow: 0 0 0 2px rgba(6, 173, 169, 0.2);
}

.contact__form .form-horizontal .fc-form-body .form-group:has(input[type="file"]),
.contact__form .form-horizontal .fc-form-body .form-group:has(textarea),
.contact__form .form-horizontal .fc-form-body .form-group:last-child {
    min-width: 100% !important;
    max-width: 100% !important;
}

.contact__form .form-group:nth-last-of-type(2) button {
    width: calc(20px + 4rem) !important; 
    padding: calc(5px + 0.25rem) 0;
    border: none;
    border-radius: 6px;
}

.contact__form .form-group:nth-last-of-type(2) button span {
    color: #666666;
}

.contact__form .form-group:nth-last-of-type(2) button i {
    display: none !important;
}

.contact__form .form-horizontal .portlet-body.form.myfooter {
    display: flex !important;
    justify-content: flex-start;
    padding: 0;
    margin: 0;
    width: 100%;
}

.contact__form .form-horizontal .form-actions {
    padding: 0;
    margin: 0;
    text-align: left;
    background: transparent;
    border: none;
}

.contact__form .form-horizontal .form-actions > div.more {
    padding: 14px 50px;
    background: #06ADA9;
    color: #FFFFFF;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.contact__form .form-horizontal .form-actions > div.more:hover {
    background: #059993;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(6, 173, 169, 0.3);
}

.contact__form .form-horizontal .form-actions > div.more a {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 600;
}

/* FAQ & Form Responsive */
@media (max-width: 1024px) {
    .faq_form_container {
        flex-direction: column;
        gap: 60px;
    }

    .faq_section,
    .contact_form_section {
        flex: 1;
    }
}

@media (max-width: 768px) {
    .faq_form_section {
        padding: 40px 0;
    }

    .faq_title {
        font-size: 28px;
        line-height: 40px;
        margin-bottom: 30px;
    }

    .faq_text,
    .faq_answer p {
        font-size: 14px;
        line-height: 28px;
    }

    .contact_form_title {
        font-size: 24px;
        line-height: 36px;
    }

    .contact__form .form-horizontal .fc-form-body .form-group {
        min-width: 100% !important;
        max-width: 100% !important;
    }

    .contact__form .form-horizontal .form-actions > div.more {
        padding: 12px 40px;
        font-size: 14px;
    }

    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input,
    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 textarea,
    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 select,
    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input[type="file"] {
        padding: 12px 15px !important;
        font-size: 14px !important;
    }
}

@media (max-width: 480px) {
    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input,
    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 textarea,
    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 select,
    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 input[type="file"] {
        padding: 10px 12px !important;
        font-size: 13px !important;
    }

    .contact__form .form-horizontal .fc-form-body .form-group .col-md-10 textarea {
        min-height: 100px !important;
    }

    .contact__form .form-horizontal .form-actions > div.more {
        padding: 10px 30px;
        font-size: 13px;
    }

    .product_tabs_nav {
        flex-direction: column;
        gap: 8px;
    }

    .product_tab_btn {
        width: 100%;
        padding: 10px 15px;
        font-size: 13px;
    }

    .nav_label {
        font-size: 11px;
        line-height: 14px;
    }

    .product_tab_desc table th,
    .product_tab_desc table td {
        padding: 8px 10px;
        font-size: 12px;
    }

    .product_tab_desc table thead th {
        font-size: 13px;
    }

    .product_detail_image img {
        height: 400px;
    }
}

/* Thumbnails Responsive */
@media (max-width: 1024px) {
    .product-thumbnails {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .product-thumbnail-item {
        width: 80px;
        height: 80px;
    }
}