.top_nav .nav>li:nth-of-type(3)>.nav_li_span>a {
    color: #1060CF;
}
.tc, .txtcenter {
    text-align: center;
}
.wrap {
    width: 73%;
    margin-left: auto;
    margin-right: auto;
}
.row1 .container {
    padding-top: 35px;
}
.relative, .pr {
    position: relative;
}
.nlb {
    display: inline-block;
}
.column-title .text {
    padding: 14px 85px;
    line-height: 1.3;
    font-size: 24px;
    font-weight: bold;
}
.banner_text_span{
    /*text-align: left !important;*/
}
.column-title .text::before {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    top: 49%;
    height: 1px;
    width: 56px;
    background-color: #999;
}
.column-title .text::after {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 49%;
    height: 1px;
    width: 56px;
    background-color: #999;
}
.display-flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
}
.wrap {
    width: 73%;
    margin-left: auto;
    margin-right: auto;
}
 .column-illustrate {
    margin-top: 21px;
    align-items: center;
    background-color: #f9f9f9;
}
 .column-illustrate .left {
    width: 60%;
    padding-left: 7%;
    padding-right: 8%;
}
.column-illustrate .left .title {
    font-size: 21px;
    color: #333;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 21px;
    position: relative;
}
.column-illustrate .left .title::before {
    content: '';
    display: block;
    width: 14px;
    height: 2px;
    background-color: #0070e4;
    position: absolute;
    bottom: -14px;
    left: 42px;
}
.column-illustrate .left .title::after {
    content: '';
    display: block;
    width: 35px;
    height: 2px;
    background-color: #0070e4;
    position: absolute;
    bottom: -14px;
    left: 0;
}
.column-illustrate .abstract {
    font-size: .18rem;
    color: #333;
    line-height: 1.8;
    text-align: left;
    padding-top: .2rem;
}
#vsb_content_4 P {
    LINE-HEIGHT: 180%;
    text-indent: 37px;
    font-size: 18px;
}
.column-illustrate .right {
    height: 100%;
}
.column-illustrate .right img {
    width: 100%;
    height: 100%;
}
.block {
    display: block;
}
.object-fit-cover {
    object-fit: cover;
}
.flex1 {
    flex: 1;
}
 .slide-box {
     width: 80%;
    margin: 0 auto;
    align-items: center;
}
 .slide-content{
     width: 100%;
     overflow: hidden;
 }
.swiper-button-next, .swiper-button-prev{
    display: inline-block;
    zoom: 1;
    vertical-align: middle;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #ccc;
    font-size: 22px;
    line-height: 31px;
    text-align: center;
    color: #ccc;
    cursor: pointer;
}
.slide-box:hover>.swiper-button-next,.slide-box:hover>.swiper-button-prev{
    border: 1px solid #959494;
    color: #959494;
}
.swiper-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: flex;
    transition-property: transform;
    box-sizing: content-box;
}
.swiper-slide {
    width: 25%;
    padding: 7px;
    height: 100%;
}
.tradition .a-box {
    border: 1px solid #ccc;
    border-radius: 11px;
    text-align: center;
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    justify-content: center;
    padding: 10px ;
}
.a-box .swiper-slide-img{
    width: 100%;
    display: flex;
    gap: 10px;
    height: 100%;
}
.a-box .swiper-slide-img img{
    border-radius: 10px;
    max-width: 100%;
    height: 160px;
}
.swiper-slide-text{
    padding: 20px 0;
    height: 50px;
    font-size: 18px;
}
.row2 {
    padding-top: 36px;
    padding-bottom: 36px;
}
.swiper-pointer-events {
    touch-action: pan-y;
}
.product-center .row2 .slide-left {
    margin-top: 21px;
    padding-bottom: 29px;
}
.oh, .overflow {
    overflow: hidden;
}
.row2 .slide-left .swiper-slide {
    padding: 1px 0;
    border: 1px solid #ddd;
}
.row2 .slide-left .swiper-slide {
    flex-shrink: 0;
    width: calc(25% - 2px);
    height: 100%;
    position: relative;
    transition-property: transform;
}
.row2 .slide-left .swiper-slide .a-box {
    width: 100%;
    height: 138px;
    display: block;
    text-align: center;
    padding-bottom: 18px;
}
a {
    text-decoration: none;
}
a {
    color: #666;
}
a, .pointer {
    cursor: pointer;
}
.row2 .slide-left .swiper-slide .a-box .icon {
    font-size: 43px;
    color: #333;
    padding-top: 29px;
    padding-bottom: 21px;
}
.row2 .slide-left .swiper-slide .a-box .icon:before {
    content: "\ecaa";
}
.product-center .row2 .slide-left .swiper-slide .a-box .icon {
    font-size: .6rem;
    color: #333;
    padding-top: .4rem;
    padding-bottom: .3rem;
}
.transition400 {
    -webkit-transition: all 400ms;
    -moz-transition: all 400ms;
    -ms-transition: all 400ms;
    -o-transition: all 400ms;
    transition: all 400ms;
}
.transition400:hover img,.transition400:hover div {
    margin-top: -2px;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.row2 .slide-left .swiper-slide .a-box .title {
    font-size: 16px;
    color: #333;
    position: relative;
}
.row2 .slide-left .swiper-slide .a-box .abstract {
    font-size: 14px;
    padding-top: 14px;
    padding-left: 14px;
    padding-right: 14px;
    text-align: left;
    display: none;
}

.row2 .slide-left .swiper-slide .a-box:hover .icon {
    font-size: 28px;
    padding: 18px 0;
}
.row2 .slide-left .swiper-slide .a-box:hover .title {
    font-size: 16px;
    padding-bottom: 10px;
}
.row2 .slide-left .swiper-slide .a-box:hover .abstract {
    margin-top: -15px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.row3 {
    padding-bottom: 21px;
}
 .row3 .slide-left {
    height: 490px;
    margin-top: 21px;
    padding-bottom: 28px;
}
.row3 .swiper-container {
    width: 100%;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
    flex-wrap: wrap;
    flex-direction: column;
}
.row3 .swiper-container .swiper-wrapper {
    flex-wrap: wrap;
    flex-direction: column;
}
.swiper-backface-hidden .swiper-slide {
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}
.row3 .swiper-container .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    width: calc((100% - 30px) / 2);
    height: 200px;
    margin-top: 20px;
}
.row3 .swiper-container .swiper-slide a {
    width: 100%;
    height: 100%;
}
.clearfix:after {
    clear: both;
    content: ".";
    display: block;
    font-size: 0;
    height: 0;
    visibility: hidden;
}
.row3 .swiper-container .swiper-slide .left {
    border-left: 1px solid #ddd;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    padding-left: 28px;
    padding-right: 21px;
}
.txtleft {
    text-align: left;
}
.row3 .swiper-container .swiper-slide .left .title {
    font-size: 17px;
    color: #333;
    line-height: 1.2;
    padding-bottom: 14px;
    padding-top: 36px;
}
.row3 .swiper-container .swiper-slide:hover .left .title {
    color: rgb(7, 107, 175);
    font-weight: bold;
    font-size: 18px;
}
.row3 .swiper-container .swiper-slide .left .title::after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 46px;
    height: 2px;
    background-color: #999;
}
.row3 .swiper-container .swiper-slide .left .abstract {
    margin-top: 14px;
    font-size: 14px;
    color: #999;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 7;
    -webkit-box-orient: vertical;
}
.row3 .swiper-container .swiper-slide .left .more {
    font-size: 12px;
    color: #fff;
    line-height: 23px;
    width: 81px;
    height: 23px;
    text-align: center;
    background-color: #ccc;
    margin-top: 28px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.row3 .swiper-container .swiper-slide .right {
    width: 63%;
}
.row3 .swiper-container .swiper-slide .right img {
    height: 100%;
    width: 100%;
}
.row3 .swiper-container .swiper-slide .right img {
    width: 100%; /* 图片宽度 */
    height: auto; /* 图片高度自适应 */
    transition: transform 0.5s ease; /* 平滑过渡效果 */
}
.row3 .swiper-container .swiper-slide .right:hover img {
    transform: scale(1.2); /* 鼠标悬停时放大1.2倍 */
}
.row4-title{
    margin-bottom: 14px;
}
.row4-text{
    text-align: center;
    color: #999;
    margin: 10px 0;
}
.column4-title {
    padding: 14px 85px;
    line-height: 1.3;
    font-size: 21px;
    font-weight: bold;
}

/*底部一行4图文*/
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 20px 0;
}

.product-item {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid #eee;
}

.product-info {
    padding: 0px;
    text-align: center;
}

.product-title {
    font-size: 16px;
    color: #333;
    margin: 10px 0;
    line-height: 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .product-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .product-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .product-list {
        grid-template-columns: 1fr;
    }
}