.bd2 .case_box {
    height: 510px;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
}

.bd2 .case_box .swiper-wrapper {
    position: absolute;
    z-index: 10;
}


/*导航模块*/

.bd2 .case_box .home_nav {
    position: relative;
    height: 42px;
    overflow: hidden;
    /* max-width: 100%; */
    width: auto;
    /* top: 0; */
    /* left: 50%; */
    z-index: 20;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 10px 0;
    /* transform: translateX(-50%); */
    width: auto;
}

.bd2 .case_box .home_nav a {
    display: block;
    float: left;
    background-color: rgba(255, 255, 255, .6);
    height: 40px;
    line-height: 40px;
    text-align: center;
    /* width: 54px; */
    width: auto;
    padding: 0 15px;
    color: #573b2d;
    font-size: 12px;
    border-top: 1px solid #e5e5e5;
    border-bottom: 1px solid #e5e5e5;
    position: relative;
    overflow: hidden;
}

.bd2 .case_box .home_nav a:after {
    content: '';
    width: 1px;
    height: 16px;
    background-color: #573b2d;
    position: absolute;
    right: 0;
    top: 12px;
    opacity: .5;
}

.bd2 .case_box .home_nav a:last-child:after {
    content: normal;
}

.bd2 .case_box .home_nav a:first-child {
    border-bottom-left-radius: 3px;
    border-top-left-radius: 3px;
    border-left: 1px solid #e5e5e5;
}

.bd2 .case_box .home_nav a:last-child {
    border-bottom-right-radius: 3px;
    border-top-right-radius: 3px;
    border-right: 1px solid #e5e5e5;
}

.bd2 .case_box .home_nav .nav_active {
    opacity: 1;
    background-color: #573b2d;
    color: white;
}


/* 小图 */

.line_photo a {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: block;
}

.line_photo .second_img {
    display: block;
    position: absolute;
    width: 240px;
    height: 240px;
    max-height: 240px;
    z-index: 10;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.second_box {
    width: 240px;
    height: 240px;
    margin: 0 auto;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 50%;
    z-index: 20;
    transform: translateX(-50%);
}

.second_box li {
    display: none;
    height: 240px;
    width: 240px;
}

.second_box li.show {
    display: block;
}

.second_box li img {
    display: block;
    margin: 0 auto;
    width: 240px;
    height: 240px;
}

.picFocus .pictxt2 {
    display: block;
    width: 100%;
    overflow: hidden;
}

.picFocus .pictxt h2 {
    font-size: 24px;
    color: #000000;
    display: block;
    padding-right: 0px;
    width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    height: 40px;
    line-height: 40px;
    float: left;
}

.picFocus .pictxt em {
    display: block;
    color: #aaaaaa;
    width: 130px;
    text-align: right;
    height: 40px;
    line-height: 40px;
    float: right;
}