/* ===================================================
   EZHONG Products Page Styles — products.css
   Shared styles for all product overview/detail pages
   =================================================== */

/* ========== Shared Section Styles ========== */
.section_tag {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--bgcolor);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

/* ========== SECTION 1: Product Hero / Breadcrumb ========== */
.product_hero_area {
    position: relative;
}

.product_hero_slide {
    min-height: 520px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    position: relative;
}

.product_hero_slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.65);
}

.product_hero_content {
    position: relative;
    z-index: 2;
    padding: 100px 0 80px;
    color: var(--whitec);
}

.product_breadcrumb {
    margin-bottom: 25px;
    font-size: 15px;
}

.product_breadcrumb a {
    color: var(--whitec);
    opacity: 0.8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product_breadcrumb a:hover {
    color: var(--bgcolor);
    opacity: 1;
}

.product_breadcrumb span {
    color: var(--whitec);
    opacity: 0.5;
    margin: 0 8px;
}

.product_hero_content h1 {
    font-size: 44px;
    font-weight: 700;
    color: var(--whitec);
    margin-bottom: 15px;
    line-height: 1.25;
}

.product_hero_content h2 {
    font-size: 20px;
    font-weight: 400;
    color: var(--whitec);
    opacity: 0.9;
    margin-bottom: 20px;
    line-height: 1.5;
}

.product_hero_content p {
    font-size: 16px;
    color: var(--whitec);
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 30px;
    max-width: 750px;
}

.product_hero_content .b_btn a {
    display: inline-block;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    background: var(--bgcolor);
    color: var(--whitec);
    margin-right: 15px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.product_hero_content .b_btn a:hover {
    background: var(--titlecolor);
    transform: translateY(-2px);
}

.product_hero_content .b_btn a.active {
    background: transparent;
    border: 2px solid var(--whitec);
    color: var(--whitec);
}

.product_hero_content .b_btn a.active:hover {
    background: var(--whitec);
    color: var(--blackc);
}

/* ========== SECTION 2: Product Introduction ========== */
.product_intro_area {
    padding: 100px 0;
    background: #FAFAFA;
}

.product_intro_tag {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--bgcolor);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.product_intro_subtitle {
    display: block;
    font-size: 22px;
    font-weight: 600;
    color: var(--titlecolor);
    margin-top: 30px;
    margin-bottom: 12px;
}

.product_intro_content p {
    font-size: 16px;
    color: var(--paracolor);
    line-height: 1.75;
    margin-bottom: 20px;
}

.product_intro_content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--titlecolor);
    margin-bottom: 20px;
    line-height: 1.3;
}

.product_intro_list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.product_intro_list li {
    font-size: 16px;
    color: var(--paracolor);
    line-height: 1.75;
    margin-bottom: 12px;
    padding-left: 30px;
    position: relative;
}

.product_intro_list li i {
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 18px;
    color: var(--bgcolor);
}

.product_intro_image {
    padding-left: 40px;
}

.product_intro_image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0px 10px 40px rgba(0, 0, 0, 0.1);
    height:380px;
}

/* ========== SECTION 2.5: EZHONG Advantage Highlight ========== */
.product_advantage_highlight {
    background: var(--bgcolor);
    padding: 80px 0;
}

.advantage_highlight_content {
    max-width: 1200px;
}

.advantage_highlight_content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--whitec);
    margin-bottom: 20px;
    line-height: 1.3;
    text-align: left;
}

.advantage_highlight_content p {
    font-size: 18px;
    color: var(--whitec);
    line-height: 1.75;
    text-align: left;
    opacity: 0.95;
}

/* ========== SECTION 3: Series Comparison Table ========== */
.product_table_area {
    padding: 100px 0 80px;
    background: var(--whitec);
}

.product_compare_table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0px 5px 30px rgba(0, 0, 0, 0.08);
    border-radius: 10px;
}

.product_compare_table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--whitec);
    font-size: 15px;
}

.product_compare_table thead th {
    background: var(--bgcolor);
    color: var(--whitec);
    padding: 18px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 16px;
    white-space: nowrap;
}

.product_compare_table thead th:first-child {
    background: #CC1A1A;
    min-width: 160px;
}

.product_compare_table tbody td {
    padding: 15px 20px;
    border-bottom: 1px solid #EFEFEF;
    vertical-align: top;
    color: var(--paracolor);
}

.product_compare_table tbody tr:nth-child(even) td {
    background: #FAFAFA;
}

.product_compare_table tbody tr:hover td {
    background: #FFF3F0;
}

.product_compare_table .table_link {
    color: var(--bgcolor);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.product_compare_table .table_link:hover {
    color: var(--titlecolor);
    text-decoration: underline;
}

/* ========== SECTION 4: Series Product Cards (Equal Heights) ========== */
.product_series_area {
    padding: 100px 0 80px;
    background: #FAFAFA;
}

.series_cards_row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.series_cards_row > .col-lg-4 {
    display: flex;
}

.series_card_link {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

.series_card_link .pric_img_clean {
    height: 280px;
    flex-shrink: 0;
}

.series_card_link .product_card_body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.series_card_link .product_card_body h2 {
    min-height: 65px;
    margin-bottom: 12px;
}

.product_series_tag {
    display: inline-block;
    background: #FFF3F0;
    color: var(--bgcolor);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.product_description {
    flex: 1;
    font-size: 15px;
    color: var(--paracolor);
    line-height: 1.7;
    margin-bottom: 12px;
}

.product_primary_use {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #EFEFEF;
    font-size: 14px;
    flex-shrink: 0;
}

.product_card_cta {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--bgcolor);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.product_card_link:hover .product_card_cta {
    color: var(--titlecolor);
    transform: translateX(5px);
}

/* ========== SECTION 5: Technical Advantages ========== */
.product_advantages_area {
    padding: 100px 0 80px;
}

/* ========== SECTION 6: Industry Applications Carousel ========== */
.product_applications_area {
    padding: 100px 0 80px;
    background: #FAFAFA;
}

.product_applications_area .section_title h2{
    color: #000;
}

.applications_carousel {
    margin-top: 50px;
}

.application_card {
    padding: 0 15px;
}

.app_card_image {
    height: 280px;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
    position: relative;
}

.app_card_image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.application_card:hover .app_card_image img {
    transform: scale(1.1);
}

.app_card_content {
    background: var(--whitec);
    padding: 25px 20px;
    border-radius: 0 0 10px 10px;
    box-shadow: 0px 5px 25px rgba(0, 0, 0, 0.08);
    min-height: 140px;
    display: flex;
    flex-direction: column;
}

.app_card_content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--titlecolor);
    margin-bottom: 10px;
    min-height: 50px;
    line-height: 1.3;
}

.app_card_content p {
    font-size: 15px;
    color: var(--paracolor);
    line-height: 1.6;
    margin: 0;
}

/* Slick carousel dots for applications */
.applications_carousel {
    padding-bottom: 60px;
}

.applications_carousel .slick-dots {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex !important;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
}

.applications_carousel .slick-dots li {
    width: auto;
    height: auto;
    margin: 0 8px;
    padding: 0;
    display: inline-block;
}

.applications_carousel .slick-dots li button {
    width: 12px;
    height: 12px;
    padding: 0;
    border: none;
    background: var(--bgcolor);
    border-radius: 50%;
    opacity: 0.3;
    cursor: pointer;
    transition: opacity 0.3s ease;
    font-size: 0;
}

.applications_carousel .slick-dots li button:before {
    content: '';
    display: none;
}

.applications_carousel .slick-dots li.slick-active button {
    opacity: 1;
}

/* ========== SECTION 7: FAQ Accordion ========== */
.product_faq_area {
    padding: 100px 0 80px;
}

.faq_accordion {
    max-width: 900px;
    margin: 40px auto 0;
}

.faq_item {
    background: var(--whitec);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0px 3px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.faq_item:hover {
    box-shadow: 0px 5px 25px rgba(0, 0, 0, 0.12);
}

.faq_question {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq_question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--titlecolor);
    margin: 0;
    flex: 1;
    padding-right: 20px;
    text-align: left;
    line-height: 1.4;
}

.faq_question i {
    font-size: 20px;
    color: var(--bgcolor);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq_item.active .faq_question i {
    transform: rotate(45deg);
}

.faq_answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 25px;
}

.faq_item.active .faq_answer {
    max-height: 500px;
    padding: 0 25px 20px;
}

.faq_answer p {
    font-size: 16px;
    color: var(--paracolor);
    line-height: 1.75;
    margin: 0;
    text-align: left;
}

/* ========== SECTION 8: Related Resources ========== */
.product_resources_area {
    padding: 100px 0 80px;
    background: var(--whitec);
}

.resource_card {
    background: #FAFAFA;
    border-radius: 10px;
    padding: 35px 30px;
    box-shadow: 0px 5px 25px rgba(0, 0, 0, 0.06);
    height: 100%;
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.resource_card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 10px 35px rgba(0, 0, 0, 0.10);
}

.resource_icon {
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    background: #FFF3F0;
    border-radius: 50%;
    margin-bottom: 20px;
}

.resource_icon i {
    font-size: 28px;
    color: var(--bgcolor);
}

.resource_card h3 {
    font-size: 20px;
    color: var(--titlecolor);
    margin-bottom: 16px;
    font-weight: 600;
}

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

.resource_list li {
    padding: 10px 0;
    border-bottom: 1px solid #E5E5E5;
}

.resource_list li:last-child {
    border-bottom: none;
}

.resource_list li a {
    color: var(--paracolor);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

.resource_list li a:hover {
    color: var(--bgcolor);
}

/* ========== RESPONSIVE: Product Page ========== */

/* Very large Device */
@media (min-width:1441px) and (max-width:1919px) {
    .product_hero_content h1 {
        font-size: 42px;
    }
}

/* Desktop Device */
@media (min-width:1366px) and (max-width:1440px) {
    .product_hero_content h1 {
        font-size: 38px;
    }
    .product_hero_content h2 {
        font-size: 18px;
    }
    .product_intro_image {
        padding-left: 20px;
    }
}

/* Laptop Device */
@media (min-width:1024px) and (max-width:1365px) {
    .product_hero_slide {
        min-height: 450px;
    }
    .product_hero_content {
        padding: 80px 0 60px;
    }
    .product_hero_content h1 {
        font-size: 34px;
    }
    .product_hero_content h2 {
        font-size: 17px;
    }
    .product_intro_content h2 {
        font-size: 32px;
    }
    .product_intro_image {
        padding-left: 20px;
    }
    .advantage_highlight_content h2 {
        font-size: 32px;
    }
    .advantage_highlight_content p {
        font-size: 16px;
    }
    .product_compare_table table {
        font-size: 14px;
    }
    .product_compare_table thead th,
    .product_compare_table tbody td {
        padding: 12px 14px;
    }
    .app_card_image {
        height: 240px;
    }
}

/* Tablet Large */
@media (min-width:992px) and (max-width:1023px) {
    .product_hero_slide {
        min-height: 420px;
    }
    .product_hero_content {
        padding: 70px 0 50px;
    }
    .product_hero_content h1 {
        font-size: 30px;
    }
    .product_hero_content h2 {
        font-size: 16px;
    }
    .product_hero_content p {
        font-size: 15px;
    }
    .product_intro_area {
        padding: 70px 0;
    }
    .product_intro_content h2 {
        font-size: 28px;
    }
    .product_intro_image {
        padding-left: 0;
        margin-top: 30px;
    }
    .product_advantage_highlight {
        padding: 60px 0;
    }
    .advantage_highlight_content h2 {
        font-size: 28px;
    }
}

/* Tablet */
@media (min-width:768px) and (max-width:991px) {
    .product_hero_slide {
        min-height: 380px;
    }
    .product_hero_content {
        padding: 60px 0 40px;
        text-align: center;
    }
    .product_hero_content p {
        margin: 0 auto 25px;
        font-size: 14px;
    }
    .product_hero_content h1 {
        font-size: 28px;
    }
    .product_hero_content h2 {
        font-size: 16px;
    }
    .product_hero_content .b_btn a {
        padding: 12px 24px;
        font-size: 14px;
    }
    .product_intro_area {
        padding: 60px 0;
    }
    .product_intro_content h2 {
        font-size: 26px;
    }
    .product_intro_image {
        padding-left: 0;
        margin-top: 30px;
    }
    .product_advantage_highlight {
        padding: 60px 0;
    }
    .advantage_highlight_content h2 {
        font-size: 26px;
    }
    .advantage_highlight_content p {
        font-size: 16px;
    }
    .product_compare_table table {
        font-size: 13px;
    }
    .product_compare_table thead th,
    .product_compare_table tbody td {
        padding: 10px 12px;
    }
    .app_card_image {
        height: 220px;
    }
    .faq_question h3 {
        font-size: 16px;
    }
}

/* Mobile Large */
@media (max-width:767px) {
    .product_hero_slide {
        min-height: 350px;
    }
    .product_hero_content {
        padding: 50px 0 30px;
        text-align: center;
    }
    .product_hero_content h1 {
        font-size: 24px;
    }
    .product_hero_content h2 {
        font-size: 15px;
    }
    .product_hero_content p {
        font-size: 14px;
        margin: 0 auto 20px;
    }
    .product_hero_content .b_btn a {
        display: block;
        margin: 0 0 10px;
        text-align: center;
    }
    .product_intro_area {
        padding: 50px 0;
    }
    .product_intro_content h2 {
        font-size: 24px;
    }
    .product_intro_content h3 {
        font-size: 20px;
    }
    .product_intro_image {
        padding-left: 0;
        margin-top: 30px;
    }
    .product_advantage_highlight {
        padding: 50px 0;
    }
    .advantage_highlight_content h2 {
        font-size: 24px;
    }
    .advantage_highlight_content p {
        font-size: 16px;
    }
    .product_compare_table {
        margin: 0 -15px;
        border-radius: 0;
    }
    .product_compare_table table {
        font-size: 13px;
    }
    .product_compare_table thead th,
    .product_compare_table tbody td {
        padding: 10px 10px;
    }
    .product_table_area,
    .product_series_area,
    .product_advantages_area,
    .product_applications_area,
    .product_faq_area,
    .product_resources_area {
        padding: 60px 0 40px;
    }
    .series_cards_row > .col-lg-4 {
        margin-bottom: 20px;
    }
    .series_card_link .pric_img_clean {
        height: 220px;
    }
    .app_card_image {
        height: 200px;
    }
    .app_card_content {
        min-height: 120px;
    }
    .app_card_content h3 {
        min-height: auto;
        font-size: 18px;
    }
    .faq_question {
        padding: 18px 20px;
    }
    .faq_question h3 {
        font-size: 16px;
    }
    .faq_answer p {
        font-size: 15px;
    }
    .resource_card {
        text-align: center;
    }
    .resource_icon {
        margin: 0 auto 20px;
    }
}

/* Mobile Small */
@media (min-width:320px) and (max-width:480px) {
    .product_hero_slide {
        min-height: 300px;
    }
    .product_hero_content h1 {
        font-size: 22px;
    }
    .product_hero_content h2 {
        font-size: 14px;
    }
    .product_breadcrumb {
        font-size: 13px;
    }
    .product_intro_content h2 {
        font-size: 22px;
    }
    .product_advantage_highlight {
        padding: 40px 0;
    }
    .advantage_highlight_content h2 {
        font-size: 22px;
    }
    .advantage_highlight_content p {
        font-size: 15px;
    }
    .faq_question h3 {
        font-size: 15px;
    }
}