.Box1 {
    padding: 100px 0;
} 
.Box1 .t1{
    font-size: 38px;
    font-weight: 600;
    position: relative;
    margin: 0;
} 
.Box1 .t1::before{
    position: absolute;
    content: '';
    width: 30px;
    height: 5px;
    background-color: #004a8fc0;
    bottom: -40px;
}   
.Box1 .about-main{ 
    margin-top: 50px;
    display: flex;
}
.Box1 .about-main .img{
    width: 35%;
    /* float: left; */
    position: relative;
    margin-right: 4%; 
}
.Box1 .about-main .img img{
    width: 100%;
    height: 100%;
    object-fit:cover;
}
.Box1 .about-main .img  div{
    position: absolute;
    z-index: 2;
    width: 100%;
    height: 100%; 
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.5s;
} 
.Box1 .about-main .img:hover  div{
    background-color: #0000002b;
}
.Box1 .about-main .img div button {
    width: 50px;
    height: 50px;
    border: 1px solid #fff;  
    border-radius: 99px;
    position: relative; 
    background: #ffffff;  
    cursor: pointer;
    outline: none;
    z-index: 3; 
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: 0.4s;
}
.Box1 .about-main .img:hover div button{
    transform: scale(1.2);
}
.Box1 .about-main .img div button::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%; 
    background:#004d906a; 
    animation: wave 2s linear infinite;
    transform: translate(-50%, -50%);
    z-index: 1;
    transition: 0.4s;
}
.Box1 .about-main .img:hover div button::after{
    background: #ffffff4e;
}
.Box1 .about-main .img div button::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%; 
    background: #004d906a; 
    animation: wave 2s linear 1.4s infinite;
    transform: translate(-50%, -50%);
    z-index: 1;
    transition: 0.4s;
}
.Box1 .about-main .img:hover div button::before{
    background: #ffffff4e;
}
.Box1 .about-main .img div button span.wave-third {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: #004d906a;
    animation: wave 2s linear 2.8s infinite;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none; 
    transition: 0.4s;
}
.Box1 .about-main .img:hover div button span.wave-third {
    background: #ffffff4e;
}
/* 水波扩散核心动画 */
@keyframes wave {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        /* 扩散范围超过按钮（50px），设为120px保证覆盖 */
        width: 120px;
        height: 120px;
        opacity: 0;
    }
}


.Box1 .about-main .txt{
    width: 65%;

    color: #999999;
    line-height: 1.9; 
    font-size: 14px;
    padding: 50px 0;
    /* transition: 0.4s; */
}

@media screen and (max-width:1440px) {
    .Box1 .about-main{  
        display: block;
    }
    .Box1 .about-main .img{
        float: left;
    }
    .Box1 .about-main .txt{
        width: 100%;
        padding: 0;
    }
}




.Box2 {
    background-color: #004d9013;
    padding: 60px 0;
    position: relative;
}

.Box2::before {
    position: absolute;
    content: '';
    width: 60%;
    height: 100%;
    background-image: url(../img/about/Bj.png);
    background-position: top left;
    background-repeat: no-repeat;
    background-size: 100% auto;
    z-index: 1;
    opacity: 0.1;
}

.Box2 .tit {
    font-size: 36px;
    font-weight: 600;
    margin: 0;
    color: #1a1a1a;
    margin-bottom: 40px;

}

.Box2 p {
    color: #6c6a72;
    text-indent: 2rem;
    line-height: 1.6;

}

.Box2 .imgs {
    display: flex;
    justify-content: center;
    align-items: center;
}

.Box2 .imgs img {
    width: 90%;
    height: 90%;
    object-fit: contain;
}
 


.Box3 {
    position: relative;

    background: url('../img/about/wh.jpg');
    background-attachment: fixed;
    /* 关键属性：使背景固定不滚动 */
    /* 通常还会搭配以下属性让背景显示更合理 */
    background-repeat: no-repeat;
    /* 防止背景重复 */
    background-size: cover;
    /* 让背景覆盖整个元素 */
    background-position: center;
    /* 背景居中显示 */
}

.Box3::before {
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #0000003d;
    z-index: 1;
}

.Box3 .container-md {
    position: relative;
    z-index: 2;
    color: white;
    padding-top: 80px;
}

.Box3 h1 {
    font-size: 46px;
    font-weight: 600;
    margin-bottom: 40px;
    color: white;
}

.Box3 .list {
    display: flex;
    margin-top: 12rem;
}

.Box3 .list .item {
    border-left: 1px solid #fff;
    padding: 0 50px 160px 30px;
    flex: 1;
    transition: 0.3s;
}

.Box3 .list .item:hover {
    flex: 2;
}

.Box3 .list .item .inner {
    position: relative;
}

.Box3 .list .item img {
    width: 65px;
    height: 65px;
    object-fit: cover;
}

.Box3 .list .item h3 {
    margin: 20px 0 30px 0;
}

.Box3 .list .item .desc {
    overflow: hidden;
    width: 100%;
    /* height: 0; */
    opacity: 1;
    margin-bottom: 0;
    transition: 0.3s;
    position: absolute;
}



.Box4 {
    padding: 50px 0 0 0;
}

.Box4 .tit {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 40px;
    color: #1a1a1a;
    text-align: center;
    position: relative;
}
.Box4 .tit::before{
    position: absolute;
    content: '';
    width: 30px;
    height: 3px;
    background-color: #004a8fc0; 
    left: 50%;
    transform: translateX(-50%);
    bottom: -10px;
}

.Box4 .honor {
    position: relative;
}

.Box4 .honor .slick-list {
    height: fit-content;
}

.Box4 .honor .slick-prev,
.Box4 .honor .slick-next {
    display: none !important;
}

.Box4 .honor .custom-slick-prev {
    position: absolute;
    left: -40px;
    top: 50%;
    transform: translateY(-50%);
}

.Box4 .honor .custom-slick-next {
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
}

.Box4 .honor button.iconfont {
    z-index: 10;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #333;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* 悬停效果 */
.Box4 .honor button.iconfont:hover {
    background-color: #fff;
    transform: translateY(-50%) scale(1.1);
}

.Box4 .honor .box {
    padding: 20px;
}

.Box4 .honor .box .imgHonor {
    display: flex;
    justify-content: center;
}

.Box4 .honor .box .imgHonor img {
    width: 70%;
    margin: 0 auto;
    border: 1px solid #0000001a;
}

.Box4 .honor .box .imgHt {
    display: flex;
    justify-content: center;
    margin-top: 5px;
}
.Box4 .honor .slick-slide img{
    width: 90%;
}


/* 确保轮播容器是相对定位，使按钮定位正确 */
.Box4 {
    position: relative;
    overflow: hidden;
}

@media screen and (max-width:1400px) {
    .Box3 .list{
        margin-top{
            margin-top: 14rem;
        }
    }
    .Box3 .list .item h3{
        font-size: 1.5rem;
    }
}

@media screen and (max-width:1200px) {
    .Box1 .info p {
        line-height: 1.65;
    }

    .Box1 .info .imgbox {
        width: clamp(calc(550 / 2* 1px), calc(550 / 1200* 94vw), 550px) !important;
    }

    .Box3 .list .item{
        padding: 0 25px 160px 24px;
    }

    .Box4 .honor .slick-slide  .imgHt img{
        width: 70%;
    }
    .Box4 .tit{
        font-size: 30px;
    }
}

@media screen and (max-width:991px) {
    .Box1 .tit{
        font-size: 30px;
    }
    .Box1 .info .imgbox {
        width: clamp(calc(550 / 2* 1px), calc(550 / 1200* 74vw), 550px) !important;
        margin-left: 1rem;
    }
    .Box1 .info p{
        font-size: 15px;
    }
    .Box2::before{
        width: 75%;
    }
    .Box2 .imgs img{
        width: 55%;
    }
    .Box3 .list{
        display: block;
        margin-top: 5rem;
    }
    
    .Box3 .list .item {
        padding: 0 25px 41px 24px;
    }
    .Box3 .list .item img{
        width: 35px;
        height: 35px;
    }
    .Box3 .list .item h3{
        font-size: 1.4rem;
    }
    .Box3 .list .item h3{
        margin: 10px 0;
    }
    .Box3 .list .item:nth-child(1){
        padding-top: 40px;
    }
    .Box3 .list .item:nth-child(3){
        padding-bottom: 70px;
    }
    .Box3 .list .item .desc{
        font-size: 14px;
    }

    .Box4 .honor .box .imgHonor img{
        width: 65%;
    }
    .Box4 .honor .slick-slide  .imgHt img{
        width: 85%;
    }

}
@media screen and (max-width:768px) {
    .Box3 h1{
        font-size: 36px;
    }
    .Box3 .list .item .desc{
        position: relative;
    }
    .Box4 .honor .custom-slick-prev{
        left: 0;
    }
    .Box4 .honor .custom-slick-next{
        right: 0;
    }
    .Box4 .tit{
        font-size: 28px;
        max-width: 85%;
    }
}
@media screen and (max-width:576px) {
    .Box1 .tit{
        font-size: 25px;
        margin-bottom: 20px;
    }
    .Box1 .info .imgbox{
        width: 100% !important;
        margin-bottom: 20px;
    }
    .Box2 .imgs img{
        width: 85%;
    }
    .Box3 h1{
        font-size: 32px;
    }
    .Box3 .list{
        margin-top: 4rem;
    }
    .Box4 .tit{
        max-width: 100%;
        font-size: 23px;
    } 
    .Box4 .honor button.iconfont{
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
}