* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
}

/* 1. 电脑 ≥1200px */
/* @media (min-width: 1200px) {} */

/* 2. 小电脑 992px ~ 1199px */
/* @media (min-width: 992px) and (max-width: 1199px) {} */

/* 3. 平板 768px ~ 991px */
/* @media (min-width: 768px) and (max-width: 991px) {} */

/* 4. 手机 ≤767px */
/* @media (max-width: 767px) {} */



/* banner图 */
html {
    font-size: 16px;
    /* 基础字体大小，1rem = 16px */
}


a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

body{
    background: #eef1f2;
} 
/* banner图样式 */
.banner {
    position: relative;
    /* height: 39.5rem; */
    width: 100%;
    background-image: url('../images/zixun/banneryx.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;

}

.banner .wrapper {
    /* background: red; */
    /* overflow: hidden; */
    margin: 0 auto;
    margin-top: 12.5625rem;
    margin-left: 8.4375rem;
    margin-bottom: 5.625rem;

}


.banner .wrapper h1 {
    color: rgba(31, 31, 31, 1);
    font-family: "Alibaba PuHuiTi";
    font-weight: 700;
    font-size: 2.5rem;
    /* 40px / 16 */
    line-height: 3.4375rem;
    /* 55px / 16 */
}


.banner .wrapper .b-text {
    margin-top: 1.5rem;
    font-size: 1.4rem;
    line-height: 2.5rem;
    color: rgba(31, 31, 31, 1);
    font-family: "Alibaba PuHuiTi";
    font-weight: 400;
    margin-bottom: 19.56rem;
}

/* 公司介绍 */
.jieshao {
    position: relative;
    top: -5rem;
    /* height: 700px; */
    border-radius: 50px 50px 0px 0px;
    /* background: rgba(255, 255, 255, 1); */
    background: #eef1f2;

}

.jieshao .jieshao-top {
    position: absolute;
    left: 50%;

    transform: translateX(-50%);
    width: 86%;
    top: -2.375rem;
    height: 4.76875rem;
    padding: 0.8125rem;
    border-radius: 1rem;
    border: 1px solid rgba(241, 245, 249, 1);
    box-sizing: border-box;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 8px 10px -6px rgba(226, 232, 240, 0.5), 0px 20px 25px -5px rgba(226, 232, 240, 0.5);
}

.jieshao .jieshao-top ul {
    display: flex;
    justify-content: space-around;
}

.jieshao .jieshao-top ul li {
    display: flex;

}

.jieshao .jieshao-top ul li a {
    display: inline-block;

    background: rgba(255, 255, 255, 1);
    color: rgba(98, 116, 142, 1);
    font-family: Inter;
    font-weight: 500;
    padding: 0.75rem 5.225rem;
    font-size: 1.4rem;
    line-height: 1.5rem;
    border-radius: 0.875rem;
}

.jieshao .jieshao-top ul li:hover a {
    background: rgba(255, 241, 242, 1);
    color: rgba(219, 53, 61, 1);
}

.jieshao .wrapper {
    margin: 0 auto 5.0625rem;

}

.jieshao .wrapper {
    /* display: flex; */
    overflow: hidden;
}

.jieshao .wrapper .pubu {
    margin-top: 6.125rem;
    gap: 1.4375rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    justify-self: center;

}

.jieshao .wrapper .video-tabs {
    margin-top: 6.125rem;
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.jieshao .wrapper .video-tabs+.pubu {
    margin-top: 2rem;
}

.jieshao .wrapper .video-tab {
    min-width: 8rem;
    height: 3rem;
    padding: 0 1.5rem;
    border: 1px solid rgba(219, 53, 61, 0.35);
    border-radius: 999px;
    background: rgba(255, 255, 255, 1);
    color: rgba(98, 116, 142, 1);
    font-family: Inter;
    font-weight: 500;
    font-size: 1.125rem;
    cursor: pointer;
    transition: all 0.3s linear;
}

.jieshao .wrapper .video-tab:hover,
.jieshao .wrapper .video-tab.active {
    background: rgba(219, 53, 61, 1);
    color: rgba(255, 255, 255, 1);
}

.jieshao .wrapper .pubu .pubu-item {
    overflow: hidden;
    width: 36.75rem;
    height: 18.3125rem;
    border-radius: 0.75rem;
    position: relative;
}

.jieshao .wrapper .pubu .video-item[data-video-src] {
    cursor: pointer;
}

.jieshao .wrapper .pubu .pubu-item:hover img {
    transform: scale(1.1);
}

.jieshao .wrapper .pubu .pubu-item img {
    transition: all 0.3s linear;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.75rem;
}

.jieshao .wrapper .pubu .pubu-item .yuan {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4.75rem;
    height: 4.75rem;
    border-radius: 2.8125rem;
    background: rgba(255, 255, 255, 0.42);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;

}

.jieshao .wrapper .pubu .pubu-item .yuan img {
    width: 50%;
    height: 50%;
}

.jieshao .wrapper .pubu .pubu-item .video-title {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    padding: 2.5rem 1.25rem 1rem;
    color: rgba(255, 255, 255, 1);
    font-family: "Alibaba PuHuiTi";
    font-size: 1.125rem;
    line-height: 1.5rem;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.72) 100%);
    z-index: 2;
}

.jieshao .wrapper .pubu .pubu-item .video-title+.yuan,
.jieshao .wrapper .pubu .pubu-item .yuan {
    z-index: 3;
}

.jieshao .wrapper .pagination .pagination-btn.disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.jieshao .wrapper .pagination .pagination-pages {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
}

.jieshao .wrapper .pagination .pagination-item {
    border: 0;
    background: transparent;
    cursor: pointer;
}

.jieshao .wrapper .pagination .pagination-ellipsis {
    user-select: none;
}

.videoPopup {
    width: 100vw;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.72);
    z-index: -1;
    display: flex;
    opacity: 0;
    transition: opacity 0.3s linear;
    backdrop-filter: blur(8px);
}

.videoPopup .videoPopup-inner {
    width: 86%;
    height: 66%;
    max-height: calc(100vh - 12.5rem);
    position: relative;
    transform: scale(0.9);
    opacity: 0;
    transition: all 0.3s linear;
}

.videoPopup .videoPopup-inner video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: rgba(0, 0, 0, 1);
}

.videoPopup .videoPopup-inner .videoPopup-close {
    position: absolute;
    top: -4.5rem;
    right: 0;
    width: 3rem;
    height: 3rem;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
    color: rgba(255, 255, 255, 1);
    font-size: 2.5rem;
    line-height: 2.75rem;
    cursor: pointer;
    z-index: 2;
}

.videoPopup.videoPopup-show {
    z-index: 4000;
    opacity: 1;
}

.videoPopup.videoPopup-show .videoPopup-inner {
    transform: scale(1);
    opacity: 1;
}





/* 分页 */
.jieshao .wrapper .pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin-top: 4.375rem;
}

.jieshao .wrapper .pagination .pagination-btn {
    width: 4rem;
    height: 4rem;
    border: 1px solid rgba(255, 100, 113, 1);
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 1);
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.jieshao .wrapper .pagination .pagination-btn:hover:not(.disabled) {
    background: rgba(255, 100, 113, 1);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(255, 100, 113, 0.35);
}

.jieshao .wrapper .pagination .pagination-btn:hover:not(.disabled)::before {
    border-top-color: rgba(255, 255, 255, 1);
    border-right-color: rgba(255, 255, 255, 1);
}

.jieshao .wrapper .pagination .pagination-btn::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.875rem;
    height: 0.875rem;
    border-top: 2px solid rgba(128, 163, 194, 1);
    border-right: 2px solid rgba(128, 163, 194, 1);
}

.jieshao .wrapper .pagination .pagination-prev::before {
    transform: translate(-35%, -50%) rotate(-135deg);
}

.jieshao .wrapper .pagination .pagination-next::before {
    transform: translate(-65%, -50%) rotate(45deg);
}

.jieshao .wrapper .pagination .pagination-item,
.jieshao .wrapper .pagination .pagination-ellipsis {
    min-width: 2.5rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(128, 128, 128, 1);
    font-family: Inter;
    font-weight: 500;
    font-size: 2rem;
    line-height: 2.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.jieshao .wrapper .pagination .pagination-item:hover:not(.active) {
    color: rgba(255, 100, 113, 1);
    transform: translateY(-2px);
}

.jieshao .wrapper .pagination .pagination-item.active {
    width: 4rem;
    height: 4rem;
    min-width: 4rem;
    border-radius: 0.75rem;
    background: rgba(217, 221, 222, 1);
    color: rgba(0, 150, 224, 1);
    font-weight: 700;
    position: relative;
}

.jieshao .wrapper .pagination .pagination-item.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0.625rem;
    transform: translateX(-50%);
    width: 1.25rem;
    height: 0.25rem;
    border-radius: 999px;
    background: rgba(0, 150, 224, 1);
}









@media (max-width: 1200px) {
    html {
        font-size: 15px;
    }

    .wrapper {
        width: 90%;
    }

    .jieshao .jieshao-top ul li a {
        font-size: 1rem;
        padding: 0.75rem 3rem;
    }

    .jieshao .wrapper .pubu .pubu-item {
        width: 100%;
    }


}

@media (max-width: 992px) {
    html {
        font-size: 14px;
    }


    .jieshao .jieshao-top ul li a {
        padding: 0.75rem 2rem;
    }



}


@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .jieshao .wrapper {
        width: 95%;
    }

    .banner .wrapper {
        width: 100%;
        margin-top:11.5625rem;
        margin-left: 4.4375rem;
        margin-bottom: 4.625rem;
    }

    .banner .wrapper h1 {
        font-size: 1.5rem;
        margin-right: 5rem;
    }

    .banner .wrapper .b-text {
        margin-right: 5rem;
        font-size: 1.45rem;
    }
    .jieshao .wrapper .pagination .pagination-btn{
        width: 3rem;
        height: 3rem;
    }

    .banner .wrapper .b-show {
        width: 62%;
        flex-wrap: wrap;
    }


    .jieshao .jieshao-top {
        position: static;
        height: auto;
        transform: none;
        width: 100%;
    }

    .jieshao .jieshao-top ul {
        flex-direction: column;
    }

    .jieshao .jieshao-top ul li a {
        width: 100%;
        text-align: center;

    }

    .jieshao .wrapper .pubu {
        grid-template-columns: 1fr;
    }

    .jieshao .wrapper .video-tabs {
        margin-top: 2rem;
        gap: 0.75rem;
    }

    .jieshao .wrapper .video-tab {
        min-width: auto;
        height: 2.5rem;
        font-size: 1rem;
        padding: 0 1rem;
    }

    .jieshao .wrapper .pagination .pagination-pages {
        gap: 1rem;
    }

    .videoPopup .videoPopup-inner {
        width: 92%;
        height: 50%;
        max-height: calc(100vh - 8rem);
    }

    .videoPopup .videoPopup-inner .videoPopup-close {
        top: -3.5rem;
        width: 2.5rem;
        height: 2.5rem;
        font-size: 2rem;
        line-height: 2.25rem;
    }



    .jieshao .wrapper .pagination {
        gap: 1rem;
    }

    .jieshao .wrapper .pagination .pagination-item,
    .jieshao .wrapper .pagination .pagination-ellipsis {
        font-size: 1rem;
    }

    .jieshao .wrapper .pagination .pagination-item.active {
        width: 3rem;
        min-width: 3rem;
    }







}