.firm_top {
    display: flex;
    justify-content: space-between;
}

.firm_left {
    width: 30%;
}

.firm_right {
    width: 60%;
    color: #666;
    font-family: Microsoft YaHei;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px; /* 162.5% */
    padding-top: 103px;
}

.firm_left1 {
    color: #666;
    font-family: Microsoft YaHei;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    margin-bottom: 20px;
}

.firm_left2 {
    color: #00A3FF;
    font-family: Microsoft YaHei;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    margin-bottom: 20px;
}

.firm_left3 {
    color: #666;
    font-family: Microsoft YaHei;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
}

.firm_bottom {
    color: #666;
    font-family: Microsoft YaHei;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;    /* 162.5% */
    margin-top: 239px;
    display: flex;
    justify-content: space-between;
}

.firm_one {
    background-color: #fff;    /* position: relative; */
    margin-bottom: 65px;
    margin-top: 65px;
}

.firm_one>.my-container {
    position: relative;
}

.number_gd {
    color: #00A3FF;
    font-family: DIN;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    border-bottom: 1px solid #C3CCDC;
    padding-bottom: 10px;
    min-width: 200px;
}

@media (max-width:1440px) {
    .number_gd {
        min-width: 150px;
    }

}

.number_gdbottom {
    color: #666;
    font-family: Microsoft YaHei;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px;    /* 187.5% */
    padding-top: 10px;
}

.firm_ever {
    display: flex;
    align-items: flex-start;
}

.firm_number {
    margin-left: 20px;
}

.bj_absolute {
    position: absolute;
    bottom: 35px;
    left: 0;
    width: 100%;
}

.mp4_firm {
    background: #EFF5FB;
    padding: 70px 0;
}

.video {
    width: 100%;
    max-height: 100%;
    object-fit: cover;
}

.video_box {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.video_mb {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.5;
    background: #002C65;
    z-index: 10;
}

.video_mbclick {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    flex-direction: column;
    z-index: 11;
}

.bftext {
    color: #FFF;
    font-family: Microsoft YaHei;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    margin-top: 20px;
}

.firm_twotitle {
    text-align: center;
}

.firm_twotitle1 {
    color: #333;
    text-align: center;
    font-family: Microsoft YaHei;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    margin-top: 70px;
    margin-bottom: 20px;
}

.firm_twotitle2 {
    color: #666;
    font-family: Microsoft YaHei;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;    /* 162.5% */
    margin-bottom: 68px;
}

.this-title {
    text-align: center;
    color: #333;
    margin-bottom: 40px;
}

.qulity-ul {
    margin-bottom: 40px;
}

.qulity-ul li {
    width: 32.7272%;
    margin-right: 0.9092%;
    float: left;
}

.qulity-ul li .imgbox img {
    width: 100%;
    -webkit-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.qulity-ul li .text-box {
    height: 120px;
    background-color: #eeeeee;
    padding-top: 20px;
}

.qulity-ul li .text-box .tl {
    color: #333333;
    font-size: 18px;
    margin-bottom: 10px;
    padding-left: 18px;
    border-left: 2px solid #00479d;
}

.qulity-ul li .text-box .te {
    line-height: 20px;
    color: #999;
    padding: 0 20px;
    height: 60px;
}

.qulity-ul li:last-child {
    margin-right: 0;
}

.grid-box {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
}

.box_mb {
    opacity: 0.9;
    background: linear-gradient(165deg, #063159 0%, #063159 0.01%, rgba(6, 49, 89, 0.00) 53.95%);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
     -webkit-transition: all 0.6s ease;
    -o-transition:  all 0.6s ease;
    -moz-transition: all 0.6s ease;
    transition: all 0.6s ease;
}

.box_mb1 {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
opacity: 0;
background: #00A3FF;
     -webkit-transition: all 0.6s ease;
    -o-transition:  all 0.6s ease;
    -moz-transition: all 0.6s ease;
    transition: all 0.6s ease;
}

.grid-box .box {
    width: 16.25%;
    float: left;
    height: 420px;
    position: relative;
    background-position: left center;
    -webkit-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    transition: all 0.4s ease;
}

.grid-box .box .bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.grid-box .box .bg1 {
    opacity: 1;
     -webkit-transition: all 0.3s ease;
    -o-transition:  all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
}


.grid-box .box .bg2 {
    opacity: 0;
    transition: all 0.6s ease;
}


.grid-box .box.act .bg1 {
    opacity: 0;
}


.grid-box .box.act .bg2 {
    opacity: 1;
}


.grid-box .box .inbox {
    position: absolute;
    width: 84%;
    left: 8%;
    top: 50px;
    color: #fff;
    -webkit-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.grid-box .box .inbox .icon {
    opacity: 0;
    -webkit-transition: all 0.3s ease 0.5s;
    -o-transition: all 0.3s ease 0.5s;
    -moz-transition: all 0.3s ease 0.5s;
    transition: all 0.3s ease 0.5s;
    margin-bottom: 30px;
}

.grid-box .box .inbox .title {
    position: relative;
    font-size: 20px;
    height: 52px;
    display: flex;
    align-items: center;
}

.grid-box .box .inbox .title span {
    transition: opacity 0.4s;
}

.grid-box .box .inbox .title span:first-child {
    opacity: 0;
    font-weight: 700;
}

.grid-box .box .inbox .title span:nth-child(2) {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    max-width: 150px;
    opacity: 1;
}

.grid-box .box .inbox .title2 {
    color: #FFF;
    font-size: 20px;
    font-weight: 400;
    opacity: 0;
    -webkit-transition: all 0.4s ease 0.4s;
    -o-transition: all 0.4s ease 0.4s;
    -moz-transition: all 0.4s ease 0.4s;
    transition: all 0.4s ease 0.4s;
}

.grid-box .box .inbox .text {
    line-height: 20px;
    font-size: 16px;
    padding-top: 20px;  
    transition: opacity 0.3s;
    opacity: 0;
}

.grid-box .act {
    width: 35%;
}

.grid-box .act .inbox {
    bottom: 100px;
}

.grid-box .act .box_mb {
    opacity: 0;
}
.grid-box .act .box_mb1 {
    opacity: 0.8;
}
.grid-box .act .inbox .icon {
    opacity: 1;
    -webkit-transition-delay: .1s;
    -moz-transition-delay: .1s;
    -o-transition-delay: .1s;
    transition-delay: .1s;
}

.grid-box .act .inbox .title span:first-child {
    opacity: 1;
}

.grid-box .act .inbox .title span:nth-child(2) {
    opacity: 0;
}

.grid-box .act .inbox .text {
    opacity: 1;
    padding-top: 40px;
    transition: all 0.4s ease 0.3s;   /* -webkit-transition-delay: .3s;
        -moz-transition-delay: .3s;
        -o-transition-delay: .3s;*/
    transition-delay: .4s;
}

@media (max-width:1440px) {
    .grid-box .box {
        height: 434px;
    }

    .grid-box .act .inbox .text {
        padding-top: 30px;
    }

    .grid-box .box .inbox .title {
        font-size: 20px;
    }

    .grid-box .act .inbox .title {
        font-size: 24px;
    }

}

@media (max-width:1024px) {
    .bj_absolute {
        bottom: 90px;
        padding: 0 8%;
    }

    .qulity-ul {
        margin-bottom: 30px;
    }

    /* .grid-box {
      padding-top: 30px;
    } */
}

@media (max-width:906px) {
    .box_but {
        margin-top: 30px !important;
    }

    .grid-box .box .inbox .title span {
        padding-bottom: 0;
    }

}

@media (max-width:900px) {
    .bj_absolute {
        bottom: 0;
        padding: 0;
    }

}

@media (max-width:768px) {
    .grid-box .box .inbox .title span {
        padding-bottom: 15px;
    }

    .box_but {
        margin-top: 30px !important;
        cursor: pointer;
    }

    .number_gd {
        border-bottom: none;
        margin-right: 20px;
        min-width: auto !important;
        padding-bottom: 0px;
    }

    .firm_ever>img {
        width: 50px;
    }

    .firm_ever {
        padding-bottom: 15px;
        padding-top: 15px;
        border-bottom: 1px solid #C3CCDC;
        align-items: center;
    }

    .firm_ever:last-child {
        border-bottom: none;
    }

    .firm_top {
        flex-wrap: wrap;
    }

    .firm_left {
        width: 100%;
    }

    .firm_right {
        width: 100%;
    }

    .firm_one {
        margin-bottom: 30px;
        margin-top: 30px;
    }

    .firm_bottom {
        flex-wrap: wrap;
    }

    .firm_bottom {
        z-index: 1;
        position: relative;
        margin-top: 30px;
    }

    .firm_number {
        width: 100%;
        display: flex;
        align-items: baseline;
    }

    .firm_ever {
        width: 100%;
    }

    .mp4_firm {
        background: #EFF5FB;
        padding: 30px 0;
    }

    .firm_twotitle1 {
        margin-top: 30px;
    }

    .firm_twotitle2 {
        margin-bottom: 30px;
    }

    .text>p {
        -webkit-line-clamp: 3;        /*设置了最大显示行数为2行，超出的内容将被隐藏。*/
        display: -webkit-box;        /*声明将元素以flex盒子布局方式显示*/
        -webkit-box-orient: vertical;        /*设置了盒子的主轴方向为垂直方向*/
        overflow: hidden;        /*声明当内容溢出容器时进行隐藏。*/
        text-overflow: ellipsis;        /*声明当文本溢出容器时使用省略号表示*/
    }

    .qulity-ul li {
        width: 100%;
        margin: 0 0 6%;
    }

    .qulity-ul li:last-child {
        margin-bottom: 0;
    }

    .grid-box {
        display: block;
    }

    .grid-box .box {
        width: 100% !important;
        margin-bottom: 6%;
        height: 300px;
        border-radius: 16px;
        overflow: hidden;
    }

    .grid-box .box .inbox {
        bottom: 15px;
    }

    .grid-box .box .inbox .icon {
        opacity: 1;
    }

    .grid-box .box .inbox .title {
        font-size: 20px;
    }
.grid-box .box .inbox .title span:nth-child(2) {
    max-width: 100%;
}
    .grid-box .box .inbox .title span::after {
        width: 100%;
    }

    .grid-box .box .inbox .text {
        opacity: 1;
        font-size: 14px;
        padding-top: 18px;
        border-top: 1px solid #fff;
    }

    .grid-box .box:last-child {
        margin-bottom: 0;
    }

}

.box_but {
    margin-top: 69px;
    cursor: pointer;
}

.box_but a {
    display: inline-flex;
    padding: 2px 2px 2px 20px;
    align-items: center;
    gap: 15px;
    border-radius: 30px;
    background: #FFF;
    transition: .3s;
}

.box_but a span:nth-child(1) {
    color: #333;
    font-family: Microsoft YaHei;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;    /* 162.5% */
}

.firm_two {
    padding-bottom: 70px;
}

.box_butcur {
    display: inline-block;
    width: 36px;
    height: 36px;
    background-color: rgba(137, 166, 196, 0.50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box_but a:hover {
    background-color: #fff;
    transition: .3s;
}

.box_but a:hover .box_butcur {
    background-color: #00A3FF;
    transition: .3s;
}

/* .box_but a:hover span:nth-child(1) {
color: #fff;
transition: .3s;
} */
@media (max-width:500px) {
    .video_mbclick img {
        width: 50px;
        height: 50px;
    }

}

.text>p {
    color: #FFF;
    font-family: Microsoft YaHei;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 26px;    /* 162.5% */
}