.header {
    background-color: transparent;
    /* 初始背景色透明 */
    transition: background-color 1s;
    /* 背景色渐变过渡 */
}

.header-scrolled {
    background-color: #143a94;
}

.tbanner {
    height: 100vw;
    z-index: 55;
    overflow: hidden;
    width: 100%;
}

.tbanner .swiper,
.tbanner .swiper-slide {
    height: 100vh;
}

.tbanner .swiper-slide .imgs {
    width: 100%;
    height: 100vh;
    background-size: cover;
    background-position: center center;
    transform: scale(1.3);
    transition: 2s;
    -webkit-transition: 2s;
    -ms-transition: 2s;
}

.tbanner .swiper-slide-active .imgs {
    transform: scale(1);
}

.tbanner .swiper-pagination {
    bottom: 123px;
}

.tbanner .swiper-pagination span {
    width: 8px;
    height: 24px;
    border: 2px solid #fff;
    opacity: 0.4;
    border-radius: 99px;
    background: none;
}

.tbanner .swiper-pagination .swiper-pagination-bullet-active {
    opacity: 1;
    height: 36px;
}

/* .dbBox{
	height: 1030px;
} */
.dbBox:after {
    content: "";
    height: 0;
    display: block;
    visibility: hidden;
    clear: both;
}
.boxNavbox{
    line-height: 20px !important;
}
.dbBox{
    height: 100vh;
    /* border: 1px solid #000; */
    overflow: hidden;
}

.home-bg {
    width: 100%;
    height: 48rem;
    /* background-image: url(../images/index/bg.png); */
    /* background-repeat: no-repeat;
	background-size: 100% 100%; */

    position: relative;
}

.home-bg .swiper-container,
.home-bg .swiper-container .swiper-wrapper {
    width: 100%;
    height: 100%;
}

.home-bg .swiper-container .swiper-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}


.header-text {
    position: absolute;
    left: 50%;
    top: calc(5.5rem + 88px);
    transform: translateX(-50%);
    color: #ffffff;
    text-align: center;
}

.header-text .tit {
    font-family: D-DIN-PRO, D-DIN-PRO;
    font-weight: 600;
    font-size: 3.2rem;
    line-height: 3.75rem;
    margin-bottom: 12px;
    /* animation: slideInUp 1s forwards; */
}

.header-text .year {
    font-family: D-DIN-PRO, D-DIN-PRO;
    font-weight: 800;
    font-size: 8.4rem;
    line-height: 9.85rem;
    /* animation: slideInUp 1.5s forwards; */
}

.brief-introduction {
    padding: 4rem 0;
    padding-top: 6rem;
    justify-content: space-between;
    position: relative;
    display: none;
    /* animation: fadeIn 3s forwards; */
}

.brief-box {
    width: 46%;
    display: flex;
    flex-direction: column;
    transform: translateY(-2rem);
}

.brief-introduction .brief-box .tit {
    font-family: Arial, Arial;
    font-size: 24px;
    color: #121418;
    line-height: 42px;
    margin-bottom: 16px;
    /* animation: slideInUp 1s forwards; */
    font-weight:600;
}

.brief-introduction .brief-box .tit::first-letter {
    font-weight: bold;
    font-size: 36px;
}

.brief-introduction .brief-box .tit-bt {
    /* animation: slideInUp 1.5s forwards; */
}

.brief-introduction .brief-box .brief-text {
    font-family: Arial, Arial;
    font-size: 24px;
    color: #121418;
    line-height: 28px;
    margin-bottom: 10px;
}

.brief-introduction .brief-box .brief-info {
    font-family: Arial, Arial;
    font-size: 16px;
    color: #686A70;
    line-height: 28px;
}

.brief-introduction .brief-box-bot {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 4rem;
}

.brief-introduction .left {
    position: relative;
    /* animation: slideInUp 1.5s forwards; */
}

.brief-introduction .left img {
    width: 34.65rem;
    height: 16.7rem;
}

.moreAb {
    width: 200px;
    height: 56px;
    display: block;
    background: #143A94;
    text-align: center;
    color: #FFFFFF;
    font-family: Arial, Arial;
    font-size: 15px;
    line-height: 56px;
    transform: translateY(-20px) translateX(-10px);
    position: relative;
    top: 3rem;
    left: 10px;
}

.moreAb:hover {
    opacity: 0.96;
}

.brief-introduction .left .more {
    width: 200px;
    height: 56px;
    display: block;
    background: #143A94;
    text-align: center;
    color: #FFFFFF;
    font-family: Arial, Arial;
    font-size: 15px;
    line-height: 56px;
    transform: translateY(-20px) translateX(-10px);
    position: absolute;
    bottom: 2rem;
    right: 0;
    display: flex !important;
    align-items: center !important;
}


.brief-introduction .brief-box-bot .box {
    min-width: 167px;
    margin-right: 10rem;
    animation: slideInUp 1.5s forwards;
}

.brief-introduction .brief-box-bot .box:nth-child(3) {
    margin-right: 0;
}

.brief-introduction .brief-box-bot .box .proportion {
    font-family: D-DIN-PRO, D-DIN-PRO;
    font-weight: bold;
    font-size: 72px;
    color: #143A94;
    line-height: 84px;
    margin-bottom: 10px;
}

.brief-introduction .brief-box-bot .box .proportion span {
    font-size: 48px;
}

.brief-introduction .brief-box-bot .box .cen {
    font-family: Arial, Arial;
    font-size: 20px;
    color: #121418;
    line-height: 23px;
    margin-bottom: 5px;
}

.brief-introduction .brief-box-bot .box .user-proportion {
    font-family: Arial, Arial;
    font-size: 18px;
    color: #686A70;
    line-height: 21px;
}


/* 证书 */
.certificate {
    height: 45rem;
    background-image: url(../images/index/zs-bg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    display: flex;
    align-items: center;
    padding: 0 6.5rem;
    position: relative;
    justify-content: space-between;
    overflow: hidden;
}

.certificate .certificate-mc {
    background-image: url(../images/index/zs-bg-mc.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    position: absolute;
    inset: 0;
}

.certificate .item {
    width: calc((100% - 23rem) / 2);
    color: #ffffff;
    position: relative;
    z-index: 2;
    /* overflow: hidden; */
    cursor: pointer;
    transition: all .5s;
    display: flex;
    flex-direction: column;

}


.certificate .item>img {
    width: 23rem;
    height: 29.8rem;
    object-fit: cover;
    align-self: center;
    transition: transform 0.3s ease;

}

.certificate .item>img:hover {
    transform: scale(1.1);
}


.certificate .cur .bot img {
    opacity: 0;
}

.certificate .cur img,
.certificate .cur .bot {
    display: none !important;
}

.certificate .cur .cen {
    display: block !important;
}

.certificate .cur {
    width: 23.9rem;
    height: 100%;
    transition: all .5s ease;
}

.certificate .item .cen {
    display: none;
    width: 100%;
    height: 100%;
    position: relative;
    color: #ffffff;
    padding: 3rem 2rem;
    box-sizing: border-box;
    overflow-y: auto;
}

.certificate .item .cen .cen-mc {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, .5);
    z-index: 1;
}

.certificate .item .cen .tit {
    font-family: Arial, Arial;
    font-weight: 900;
    font-size: 40px;
    color: #FFFFFF;
    line-height: 72px;
    /* margin-bottom: 20px; */
    word-break: break-all;
}
.certificate .item .cen ul li:nth-child(1){
    margin-top: 40px;
}
.certificate .item .cen ul li {
    display: flex;
    margin-bottom: 2.2rem;

}

.certificate .item .cen ul li img {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    display: block !important;
}

.certificate .item .cen ul li div {
    font-family: Arial, Arial;
    font-weight: 400;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 26px;
    word-break: break-all;
    /* display: -webkit-box;
	-webkit-box-orient: vertical;
	overflow: hidden; */
    /* -webkit-line-clamp: 3; */
    overflow-wrap: break-word; /* or use 'word-wrap: break-word;' for older support */
    word-break: normal; /* Ensure words do not break in the middle */
}

.certificate .bot-text {
    width: calc(100% - 4rem);
    font-family: Arial, Arial;
    font-size: 20px;
    color: #FFFFFF;
    line-height: 23px;
    text-align: center;
    position: absolute;
    bottom: 3.7rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.certificate .item .bot {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 3.6rem;
}

.certificate .item .bot div {
    width: 100%;
    text-align: center;
    font-family: Arial, Arial;
    font-size: 24px;
}

.certificate .item .bot img {
    width: 40px;
    height: 40px;
    margin-bottom: 15px;
}

.represent {
    padding-top: 8rem;
}

@media (max-width: 1680px) {
    .home-bg .header-text {
        top: 50%;
        transform: translateX(-50%) translateY(-50%);
    }

    .certificate .item .cen .tit {
        font-size: 26px;
        line-height: 50px;
        margin-bottom: 20px;
    }

    .certificate .item .cen ul li {
        margin-bottom: 20px;
    }


    .home-bg .header-text .year {
        font-size: 80px;
        line-height: 120px;
    }

    .home-bg .header-text .tit {
        font-size: 40px;
        line-height: 25px;
    }
}


@media (max-width: 1460px) {
    .certificate {
        padding: 0 4.5rem;
        height: 53rem;
        background-size: cover;
    }

    .certificate .item>img {
        width: 28rem;
        height: 36.8rem;
    }

    .certificate .item .bot {
        margin-top: 4.6rem;
    }

    .brief-introduction .brief-box-bot .box .proportion {
        font-size: 52px;
        line-height: 64px;
    }

    .certificate .item .cen .tit {
        font-size: 20px;
        line-height: normal;
        width: 150px;
    }
    .certificate .item .cen ul li img{
        margin-top: 5px;
    }
    .certificate .item .cen ul li div {
        font-size: 15px;
        line-height: 30px;
    }

    .certificate .item .bot img {
        width: 30px;
        height: 30px;
        margin-bottom: 5px;
    }

    .certificate .item .bot div,
    .certificate .bot-text {
        font-size: 18px;
    }

    .brief-introduction .brief-box-bot .box .proportion span {
        font-size: 30px;
    }

}

@media (max-width: 1152px) {
    .brief-introduction {
        padding: 40px 0;
        padding-top: 50px;
    }

    .certificate .item .cen {
        width: 100%;
    }

    .certificate .bot-text {
        bottom: 3.3rem;
    }

    .certificate .item .cen ul li:last-child {
        margin-bottom: 0;
    }

    .certificate .item .cen .tit {
        font-size: 18px;
    }

    .home-bg .header-text .tit {
        font-size: 27px;
        line-height: normal;
    }

    .home-bg .header-text .year {
        font-size: 40px;
        line-height: normal;
    }

    /* .brief-introduction .left .more {
		width: 150px;
		height: 46px;
		line-height: 46px;
		bottom: 20px;
	} */

    .brief-introduction .brief-box .tit {
        font-size: 25px;
        margin-bottom: 10px;
    }

    .brief-introduction .brief-box .brief-text {
        font-size: 20px;
        line-height: normal;
    }
    .certificate .item .cen ul li div {
        font-size: 14px;
        line-height: 20px;
    }

}

@media (max-width: 950px) {
	
    .certificate .item .cen ul li div{
		font-size: 12px;
	}
   

    .certificate .item {
        width: 40%;
    }

    .certificate .cur {
        width: 30%;
    }

    .certificate .item>img {
        width: 90%;
        height: auto;
    }

    .certificate {
        padding: 0 20px;
        height: 56rem;
    }

    .certificate .item .bot,
    .certificate .bot-text,
    .certificate .item .cen {
        display: none;
    }

    .header-text .tit {
        font-size: 28px;
        line-height: normal;
    }

    .header-text .year {
        font-size: 55px;
        line-height: normal;
    }

    .brief-introduction {
        padding: 40px 0;
        flex-wrap: wrap;
        display: flex;
    }

    .brief-box,
    .brief-introduction .left {
        width: 100%;
    }

    .brief-introduction .left img {
        width: 100%;
        height: auto;
    }

    .brief-introduction .brief-box-bot {
        margin-top: 10px;
        margin-bottom: 20px;
    }

    .brief-introduction .brief-box .tit {
        font-size: 20px;
        line-height: 25px;
        margin-bottom: 10px;
    }

    .brief-introduction .brief-box .brief-text {
        font-size: 20px;
        line-height: normal;
    }

    .brief-introduction .brief-box-bot .box .proportion {
        font-size: 40px;
        line-height: 55px;
        margin-bottom: 0;
    }

    .brief-introduction .brief-box-bot .box .cen,
    .brief-introduction .brief-box-bot .box .user-proportion {
        font-size: 16px;
    }

    .brief-introduction .brief-box-bot .box .proportion span {
        font-size: 30px;
    }

    .brief-introduction .left .more {
        width: 120px;
        height: 40px;
        line-height: 40px;
        bottom: 20px;
    }

    .header-text {
        top: 50%;
        transform: translateX(-50%) translateY(-50%);
    }

    .header-text {
        width: 100%;
    }

    .header-text .tit {
        width: 100%;
        font-size: 20px;
    }

    .header-text .year {
        font-size: 30px;
    }

    .brief-introduction .brief-box-bot .box {
        margin-right: 0;
    }

    .brief-introduction .brief-box .tit::first-letter {
        font-size: 28px;
    }

    .certificate .item .cen ul li {
        margin-bottom: 10px;
    }

    .certificate .item .cen .tit {
        font-size: 16px;
        white-space: pre-wrap;
        margin-bottom: 10px;
    }
}

@media (max-width: 800px) {
    /* .certificate {
        padding: 0;
        min-height: 170rem;
        display: flex;
        flex-direction: column;
        font-size: 12px;
    }

    .certificate .item {
        width: 100%;
        height: 300rem !important;

    }

    .certificate .item img {
        width: 100%;
    } */

    .dbBox{
		height: 350px;
	}

     .tbanner .swiper, .tbanner .swiper-slide{
    height: 350px !important;
    overflow: hidden;
   }
    .tbanner .swiper-pagination {
        bottom: 15px;
    }

    .tbanner .swiper-pagination span {
        border-width: 1px;
        width: 5px;
        height: 12px;
        margin: 0 4px !important;
    }

    .tbanner .swiper-pagination .swiper-pagination-bullet-active {
        height: 22px;
    }

    .moreAb {
        width: 200px;
        height: 56px;
        display: block;
        background: #143A94;
        text-align: center;
        color: #FFFFFF;
        font-family: Arial, Arial;
        font-size: 15px;
        line-height: 56px;
        transform: translateY(-20px) translateX(-10px);
        position: relative;
        top: 6rem;
        left: 10px;

    }


    .brief-introduction .brief-box-bot .box .proportion {
        font-size: 30px;
        line-height: 45px;
    }

    .brief-introduction .brief-box-bot .box {
        min-width: auto;
    }

    .home-bg {
        height: 54rem;
        background-size: cover;
    }
	.certificate .item .cen .tit {
        font-size: 14px;
        line-height: 16px;
    }
	.certificate .item .cen ul li div{
		font-size: 8px;
	}

}

@media (max-width: 700px) {
    .certificate {
        padding: 0;
        height:auto;
        display: flex;
        flex-direction: column;
        font-size: 12px;
    }

    .certificate .item {
        width: 100%;
        height: auto !important;

    }

    .certificate .item img {
        width: 100%;
    }

    .brief-introduction .brief-box .tit,
    .brief-introduction .brief-box .brief-text {
        font-size: 18px;
    }

    .brief-introduction .brief-box-bot {
        margin-top: 0;
    }

    .brief-introduction {
        padding: 25px 0;
    }

    .header-text .year {
        font-size: 22px;
    }

    .header-text .tit {
        font-size: 16px;
        margin-bottom: 5px;
    }

    .brief-introduction .brief-box-bot .box .proportion {
        font-size: 25px;
    }


    .brief-introduction .brief-box .tit::first-letter {
        font-size: 24px;
    }
	.certificate .item .cen ul img{
		margin-top: 20px;
	}
    .certificate .item .cen ul li div,
    .certificate .item .cen .tit {
        font-size: 16px;
        line-height: 35px;
    }
	.certificate .item .bot, .certificate .bot-text, .certificate .item .cen {
		display: none;
		font-size: 14px;
	}

}