/* ========================================
   机电工程产品详情页样式
   ======================================== */

/* 产品主图区域 */
.product-hero {
    width: 100%;
    overflow: visible;  
    position: relative;
    line-height: 0;  
    padding-top:69px;
}

.product-hero-image {
    width: 100%;
    height: 680px;
    display: block;
    line-height: 0;
}

.product-hero-image img {
    width: 100%;
    height: 680px;
    max-width: 100%; 
    display: block;
    object-fit: contain; 
    object-position: center top;  
}

/* 面包屑导航区域 */
.breadcrumb-wrapper {
    width: 100%;
    padding: 0;
    margin-top: -21px;
    position: relative;
    z-index: 10;
    background: rgba(245, 245, 245, 1);
}

.breadcrumb-wrapper .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    padding: 40px 0;
    font-size: 14px;
    color: #666;
    margin-left: -10px;
}

.breadcrumb-icon-img {
    width: 16px;
    height: 16px;
    margin-right: 8px;
}

.breadcrumb-text {
    font-size: 14px;
    color: #666;
}


.breadcrumb-link {
    color: rgba(51, 51, 51, 1);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    font-size: 14px;
    font-weight: 400;
    font-family: "OPPOSans", "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
    display: inline-block;
}
.breadcrumb-link:hover {
    color: #086e72;
}

.breadcrumb-link.active {
    color: #086e72;
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 8px;
    color: #ccc;
}

/* 主内容区域背景 */
.mechanical-main {
    background: rgba(245, 245, 245, 1);
    padding: 5px 0 60px;
}

/* 大标题区域 */
.mechanical-title-section {
    text-align: center;
    margin-bottom: 60px;
}

.mechanical-main-title {
    font-family: 'Source Han Sans', 'Noto Sans SC', sans-serif;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 60px;
    color: rgba(51, 51, 51, 1);
    margin: 0 0 20px;
}

.mechanical-title-underline {
    width: 90px;
    height: 2px;
    background: rgba(217, 217, 217, 1);
    margin: 0 auto;
    text-align: center;
    margin-top:-6px;
}

/* 五个色块内容模块 */
.mechanical-modules {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

.mechanical-module {
    background: rgba(255, 255, 255, 1);
    width: 1320px;
    height: auto;
    min-height: 480px;
    margin: 0 auto 40px;
    overflow: hidden;
}

.mechanical-module-inner {
    display: flex;
    height: 100%;
    padding: 53px 80px;
    box-sizing: border-box;
}

.mechanical-module-left {
    flex-shrink: 0;
    margin-right: 60px;
}

.mechanical-module-img {
    width: 560px;
    height: auto;
    border-radius: 24px;
    border-width: 0px 6px 6px 0px;
    border-style: solid;
    border-color: rgba(8, 110, 114, 1);
    object-fit: cover;
}

.mechanical-module-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mechanical-module-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.mechanical-module-icon {
    width: 80px;
    height: 80px;
    margin-right: 20px;
    flex-shrink: 0;
    margin-top: -10px;
}

.mechanical-module-titles {
    display: flex;
    flex-direction: column;
}

.mechanical-module-title-cn {
    font-family: 'Source Han Sans', 'Noto Sans SC', sans-serif;
    font-size: 40px;
    font-weight: 500;
    letter-spacing: 0px;
    line-height: 28px;
    color: rgba(8, 110, 114, 1);
    margin: 0 0 12px;
}

.mechanical-module-title-en {
    font-family: 'Source Code Pro', monospace;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 28px;
    color: rgba(8, 110, 114, 1);
    margin-top: 5px;
    margin-left: 5px;
    text-transform: uppercase;
}

.mechanical-module-desc {
    font-family: 'Source Han Sans', 'Noto Sans SC', sans-serif;
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 36px;
    color: rgba(51, 51, 51, 1);
    margin: 0;
}

/* 售后维保模块列表样式 */
.mechanical-module-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mechanical-module-list li {
    font-family: 'Source Han Sans', 'Noto Sans SC', sans-serif;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0px;
    line-height: 36px;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.mechanical-module-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    background: rgba(8, 110, 114, 1);
    border-radius: 50%;
}

.mechanical-module-list li:last-child {
    margin-bottom: 0;
}

/* 售后维保模块标题样式 */
.after-sales-modules .mechanical-module-title-cn {
    font-size: 36px;
    line-height: 1.2;
}

.after-sales-modules .mechanical-module-title-en {
    font-size: 16px;
    line-height: 1.4;
}

/* 模块编号样式 */
.module-number {
    width: 60px;
    height: 60px;
    background: rgba(8, 110, 114, 1);
    color: #fff;
    font-size: 32px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-right: 20px;
    flex-shrink: 0;
}

.after-sales-modules .mechanical-module-header {
    align-items: center;
}

/* Banner图片区域 */
.mechanical-banner {
    width: 100%;
    margin-top: 60px;
    margin-bottom: 0;
    max-height: 740px;
    overflow: hidden;
    position: relative;
    background: rgba(245, 245, 245, 1);
}

/* Banner标题区域 - 放在图片上方 */
.banner-title-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    text-align: center;
    padding-top: 40px;
    padding-bottom: 20px;
}

.banner-title {
    font-family: 'Source Han Sans', 'Noto Sans SC', '思源黑体', sans-serif;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 0px;
    line-height: 60px;
    color: rgba(51, 51, 51, 1);
    margin: 0 0 16px;
}

.banner-title-underline {
    width: 90px;
    height: 2px;
    background: rgba(217, 217, 217, 1);
    margin: -4px auto;
}

.mechanical-banner-img {
    width: 100%;
    height: 740px;
    display: block;
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1400px) {
    .mechanical-module {
        width: 100%;
        height: auto;
    }

    .mechanical-module-inner {
        flex-direction: column;
        padding: 40px;
    }

    .mechanical-module-left {
        margin-right: 0;
        margin-bottom: 30px;
    }

    .mechanical-module-img {
        width: 100%;
        height: auto;
        aspect-ratio: 3/2;
    }

    .mechanical-module-title-cn {
        font-size: 32px;
        line-height: 1.2;
    }

    .mechanical-module-title-en {
        font-size: 16px;
    }

    .mechanical-module-desc {
        font-size: 18px;
        line-height: 30px;
    }

    .mechanical-banner {
        width: 100%;
    }

    .mechanical-banner-img {
        width: 100%;
        height: auto;
    }

    /* Banner标题响应式 */
    .banner-title-wrapper {
        padding-top: 30px;
        padding-bottom: 15px;
    }

    .banner-title {
        font-size: 36px;
        line-height: 54px;
        margin-bottom: 14px;
    }

    .banner-title-underline {
        width: 80px;
    }
}

@media (max-width: 992px) {
    .product-hero {
        width: 100%;
        height: auto;
        overflow: visible;
    }

    .product-hero-image img {
        width: 100%;
        height: auto;
        object-fit: contain;
        object-position: center top;
    }

    .breadcrumb-wrapper {
        margin-top: 0;
    }

    .breadcrumb {
        margin-left: 0;
        padding: 15px 0;
        font-size: 12px;
    }

    .mechanical-main {
        padding: 40px 0 40px;
    }

    .mechanical-main-title {
        font-size: 32px;
        line-height: 48px;
    }

    .mechanical-module-inner {
        padding: 30px 20px;
    }

    .mechanical-module-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .mechanical-module-icon {
        margin-bottom: 15px;
    }

    .mechanical-module-title-cn {
        font-size: 24px;
    }

    .mechanical-module-title-en {
        font-size: 14px;
    }

    .mechanical-module-desc {
        font-size: 16px;
        line-height: 26px;
    }

    .mechanical-banner {
        width: 100%;
    }

    .mechanical-banner-img {
        width: 100%;
        height: auto;
    }

    /* Banner标题响应式 - 平板 */
    .banner-title-wrapper {
        padding-top: 25px;
        padding-bottom: 12px;
    }

    .banner-title {
        font-size: 32px;
        line-height: 48px;
        margin-bottom: 12px;
    }

    .banner-title-underline {
        width: 70px;
        height: 2px;
    }
}

@media (max-width: 576px) {
    .product-hero {
        width: 100%;
        height: auto;
        overflow: visible;
    }

    .product-hero-image img {
        width: 100%;
        height: auto;
        object-fit: contain;
        object-position: center top;
    }

    .mechanical-main-title {
        font-size: 24px;
        line-height: 36px;
    }

    .mechanical-title-underline {
        width: 160px;
    }

    .mechanical-module-title-cn {
        font-size: 20px;
    }

    .mechanical-module-title-en {
        font-size: 12px;
    }

    .mechanical-module-desc {
        font-size: 14px;
        line-height: 22px;
    }

    .mechanical-banner {
        width: 100%;
        height: auto;
    }

    .mechanical-banner-img {
        width: 100%;
        height: auto;
    }

    /* Banner标题响应式 - 移动端 */
    .banner-title-wrapper {
        padding-top: 20px;
        padding-bottom: 10px;
    }

    .banner-title {
        font-size: 24px;
        line-height: 36px;
        margin-bottom: 10px;
    }

    .banner-title-underline {
        width: 60px;
        height: 2px;
    }
}