/*---------------------------------------------------------------------- /
巨幕设置-开始
----------------------------------------------------------------------- */

.jm {
    background: url("../../images/banner/product.jpg") no-repeat;
    background-size: cover;
    height: 600px;
}


/* 巨幕响应式-PC */

@media screen and (max-width: 1680px) {
    .jm {
        background-position: right;
        height: 520px;
    }
}

@media screen and (max-width: 1440px) {
    .jm {
        height: 450px;
    }
}

@media screen and (max-width: 1280px) {
    .jm {
        height: 400px;
    }
}


/* 巨幕响应式-IPAD */

@media screen and (max-width: 1279px) {
    .jm {
        height: 300px;
        margin-top: -30px;
    }
}

@media screen and (max-width: 880px) {
    .jm {
        margin-top: 0px;
        height: 260px;
        background-position: left;
    }
}


/* 巨幕响应式-手机端 */

@media screen and (max-width: 580px) {
    .jm {
        background-size: contain;
        background: url("../../images/banner/h5/product-iphone.jpg") no-repeat;
        background-position: left;
        height: 200px;
        display: block;
    }
}


/*---------------------------------------------------------------------- /
巨幕设置-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
面包屑-开始
----------------------------------------------------------------------- */

.mbx-row {
    height: 100px;
    border-bottom: 1px solid #e7e7e7;
    margin-bottom: 30px;
    display: flex;
    flex-direction: row;
    align-items: center;
}


/* 面包屑文字 */

.mbx-text p {
    font-size: 15px;
    font-style: normal;
    display: inline-block;
    font-weight: 800;
    padding-top: 10px;
    letter-spacing: 1px;
}


/* 面包屑-》》 */

.mbx-text p::after {
    display: inline-block;
    content: "\00bb";
    margin: 0.6em;
    color: black;
}


/* 取消面包屑-最后一个》 */

.mbx-text p:last-child::after {
    display: none;
}


/* 响应式布局 */

@media screen and (max-width: 580px) {
    .mbx-text p {
        font-size: 13px;
        font-style: normal;
        display: inline-block;
        font-weight: 800;
    }
}


/*---------------------------------------------------------------------- /
面包屑-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
侧边栏+轮播图+简介布局-开始
----------------------------------------------------------------------- */

.product-box {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    gap: 20px;
    /* 最低长度 */
    min-height: 620px;
    gap: 40px;
}


/*---------------------------------------------------------------------- /
侧边栏+轮播图+简介布局-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
侧边栏-开始
----------------------------------------------------------------------- */


/* 侧边栏 */

.product-box .banner {
    min-width: 260px;
    border: 1px solid #d8d8d8;
    /* border: 4px solid black; */
    height: 480px;
    /* 定位属性 */
    margin-top: 0px;
    top: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}


/* 侧边栏标题 */

.product-box .banner .title {
    height: 50px;
    /* background-color: yellow; */
    width: 100%;
    padding-left: 20px;
    padding-top: 10px;
    border-bottom: 1px solid #d8d8d8;
    font-size: 18px;
    line-height: 30px;
    font-weight: 700;
    letter-spacing: 2px;
}


/* 侧边栏-标题-icon */

.product-box .icon-chanpinzhongxin2 {
    padding-right: 5px;
    font-size: 20px !important;
}


/* 侧边栏-子目录 */

.product-box .banner .dhl-box-c {
    flex: 1;
    padding-top: 10px;
    width: 100%;
    padding-left: 20px;
    position: relative;
    border-bottom: 1px solid #e7e7e7;
}


/* 侧边栏-子目录-超链接*/

.product-box .banner .dhl-box-c a {
    text-decoration: none;
    color: black;
    font-size: 14px;
    line-height: 18px;
    letter-spacing: 2.5px;
}


/* 侧边栏-子目录-箭头 */

.jt:nth-child(n+2)::after {
    content: "\27A4";
    font-size: 16px;
    position: absolute;
    right: 10px;
    color: black;
    /* 间距 */
    top: 11px;
}


/*---------------------------------------------------------------------- /
侧边栏-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
轮播图-简介-开始
----------------------------------------------------------------------- */


/* 第一行+第二行布局 */

.product-box .contentbox {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}


/* 第一行布局 轮播图+首页文字 */

.product-box .contentbox .firstline {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    gap: 40px;
}


/*---------------------------------------------------------------------- /
轮播图-简介-开始
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
第一行-轮播图-开始
----------------------------------------------------------------------- */


/* swiper配置-宽度 */

.product-box .contentbox .contentlbt {
    min-width: 500px;
}

.swiper-slide img {
    /* display: block; */
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-slide {
    background-size: cover;
    background-position: center;
}


/* 大图 */

.mySwiper2 {
    width: 500px;
    background-image: url("../../images/product/lbt/ltb-bg-1.png");
    height: 470px;
}


/* 小图片居中 */

.sw1 {
    display: flex;
    justify-content: center;
    align-items: center;
    align-self: center;
}


/* 小图 */

.mySwiper {
    margin-top: 10px;
    width: 500px;
    height: 120px;
    box-sizing: border-box;
    padding: 10px 0;
}

.mySwiper .swiper-slide {
    height: 100%;
    opacity: 0.4;
    cursor: pointer;
}

.mySwiper .swiper-slide-thumb-active {
    opacity: 1;
}


/* 修改导航按钮颜色 */


/* 只需要自定义按钮样式 */

.mySwiper2 .custom-nav-btn {
    width: 40px;
    height: 40px;
    background: black;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    margin-top: -25px;
}

.mySwiper2 .custom-nav-btn::after {
    display: none !important;
}


/* 使用 IconFont 的 Font Class 对应的 Unicode */

.mySwiper2 .swiper-button-prev.custom-nav-btn::before {
    content: "\e611";
    /* 对应 icon-arrow-left 的 Unicode */
    font-family: "iconfont" !important;
    font-size: 24px;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(180deg);
}

.mySwiper2 .swiper-button-next.custom-nav-btn::before {
    content: "\e611";
    /* 对应 icon-arrow-right 的 Unicode */
    font-family: "iconfont" !important;
    font-size: 24px;
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}


/*---------------------------------------------------------------------- /
第一行-轮播图-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
第一行-简介-开始
----------------------------------------------------------------------- */


/* 内容文档 */

.product-box .contentbox .contentword {
    flex: 1;
}


/* 内容文档 h1*/

.product-box .contentbox .contentword h1 {
    font-size: 20px;
    line-height: 24px;
    font-weight: 600;
    letter-spacing: 2px;
    padding-bottom: 15px;
}


/* 内容文档 p*/

.product-box .contentbox .contentword p {
    font-size: 15px;
    line-height: 30px;
    letter-spacing: 1px;
}


/* 下载按钮-盒子 */

.button38box {
    display: block;
}


/* 下载按钮-comm样式 */

.button-38 {
    margin-top: 10px;
    background-color: #ffffff;
    border: 0;
    border-radius: 0.5rem;
    box-sizing: border-box;
    font-size: 12px;
    letter-spacing: 1.5px;
    font-weight: 800;
    line-height: 20px;
    padding: 0.75rem 1rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.49), 0 2px 5px rgba(0, 0, 0, 0.44);
    cursor: pointer;
    font-family: "Google Sans", Roboto, Arial, sans-serif;
}


/* 下载按钮-样式-链接 */

.button-38 a {
    color: #111827;
    text-decoration: none;
}


/*---------------------------------------------------------------------- /
第一行-简介-结束
----------------------------------------------------------------------- */


/*---------------------------------------------------------------------- /
第二行-开始
----------------------------------------------------------------------- */


/* 第二行 */

.secondline {
    margin-top: 20px;
}


/* 第二行 h2*/

.secondline h2 {
    font-size: 15px;
    line-height: 24px;
    font-weight: 600;
    letter-spacing: 2px;
}


/* 填料塔结构图 */

.tltjgbox {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    gap: 40px;
}


/* 填料塔结构图 -p*/

.tltjgbox .tltjgboxword p {
    font-size: 15px;
    line-height: 30px;
    letter-spacing: 1px;
}


/* 填料塔结构图 img*/

.tltjgbox .tltjgboximg {
    margin-top: -130px;
}


/* 填料塔结构图 img-图片*/

.tltjgbox .tltjgboximg img {
    width: 550px;
}


/*---------------------------------------------------------------------- /
第二行-结束
----------------------------------------------------------------------- */


/* h5轮播图 */

.h5lbt {
    display: none;
}


/* 响应式布局 */

@media screen and (max-width: 1680px) {
    .tltjgbox .tltjgboximg {
        margin-top: -70px;
    }
}

@media screen and (max-width: 1480px) {
    .tltjgbox .tltjgboximg {
        margin-top: -60px;
    }
}

@media screen and (max-width: 1279px) {
    /* 取消侧边栏 */
    .product-box .banner {
        display: none;
    }
    /* 侧边栏+轮播图+简介布局 */
    .product-box {
        display: block;
    }
    /* 取消PC轮播图 */
    .product-box .contentbox .contentlbt {
        display: none;
    }
    /* h5轮播图 */
    .h5lbt {
        display: block;
        height: 400px;
        margin-bottom: 20px;
    }
    /* h5轮播图-设置 */
    #centeredCarousel {
        height: 400px;
        background-color: #f5f5f5;
    }
    /* h5轮播图-图片容器-负责背景和居中 */
    .carousel-bg-container {
        height: 400px;
        width: 100%;
        padding: 20px;
        /* 创建背景边距 */
        background: url("../../images/product/lbt/ltb-bg-1.png") no-repeat;
        background-size: cover;
    }
    /* h5轮播图-图片样式-确保完美居中 */
    .carousel-centered-img {
        max-height: 100%;
        max-width: 100%;
        object-fit: contain;
        /* 保持原始比例 */
        margin: auto;
        /* 双重保障居中 */
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
}

@media screen and (max-width: 850px) {
    /* 填料塔结构图 */
    .tltjgbox {
        display: block;
    }
    /* 填料塔结构图 img*/
    .tltjgbox .tltjgboximg {
        margin-top: 10px;
    }
}