.news1 .main {
    border-top: 1px solid #E9E9E9;
    width: 75vw;
    margin-right: 12.5vw;
}

.news1 .main .ev {
    display: block;
    border-bottom: 1px solid #E9E9E9;
}

.news1 .main .ev .ev-relative {
    height: 100%;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.news1 .main .ev .pic {
    width: 11.979vw;
    height: 11.979vw;
    overflow: hidden;
}

.news1 .main .ev .pic img {
    transition: all ease 1s;
}

.news1 .main .ev:hover .pic img {
    transform: scale(1.1);
}

.news1 .main .bigGroup .left .ev .pic {
    width: 100%;
    height: 100%;
}

.news1 .main .bigGroup .left .ev .pic img {
    height: 100%;
    object-fit: cover;
    transition: all ease 2s;
}


.news1 .main .flex-column {
    width: 50%;
}

.news1 .main .bigGroup .left .ev {
    height: 100%;
}

.news1 .main .bigGroup .left .ev .intr {
    padding: 3.646vw 3.958vw;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: flex-end;
}

.news1 .main .bigGroup .left .ev .intr p {
    color: #ffffff;
}

.news1 .main .bigGroup .right .ev {
    padding: 3.646vw 0 3.646vw 3.958vw;
    color: #000000;
}

.news1 .main .bigGroup .right .ev .intr,
.news1 .main .smallGroup .ev .intr {
    width: calc(100% - 14.896vw);
}

.news1 .main .smallGroup .left .ev {
    padding: 3.646vw 3.958vw 3.646vw 0;
    border-right: 1px solid #E9E9E9;
}

.news1 .main .smallGroup .right .ev {
    padding: 3.646vw 0 3.646vw 3.958vw;
}

.news1 .main .group:nth-child(4n-1) {
    flex-direction: row-reverse;
}

.news1 .main .group:nth-child(4n-1) .left .ev {
    padding-left: 0;
}

.news1 .main .group:nth-child(4n-1) .right .ev {
    padding: 3.646vw 3.958vw 3.646vw 0;
}

.news1 .main .ev h3 {
    font-size: 0.938vw;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #000000;
}

.news1 .main .ev h2 {
    font-size: 1.042vw;
    margin: 0 0 0.5em;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #000000;

    height: 4.2em;
    display: -webkit-box;
    display: box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.news1 .main .ev p {
    font-size: 0.833vw;
    font-family: Calibri_Light;
    font-weight: 400;
    line-height: 1.25vw;
    color: #4B4B4B;


    height: 5.6em;
    display: -webkit-box;
    display: box;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.news1 .main .bigGroup .left .ev h3 {
    font-size: 0.938vw;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #ffffff;
}

.news1 .main .bigGroup .left .ev h2 {
    font-size: 1.458vw;
    margin: 0.3em 0;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #ffffff;
}

.news1 .main .bigGroup .left .ev p {
    font-size: 0.833vw;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #ffffff;
}

.news1 .C-paging {
    margin-top: 3.125vw;
}

.news2 {
    background: #F9F9F9;
}

.news2 .news2-wrap {
    width: 50vw;
    margin: 0 auto;
}

.news2 .title {
    border-bottom: 1px solid #DFDFDF;
    margin: 0 0 1.042vw;
}

.news2 .title h2 {
    font-size: 1.042vw;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #000000;
}

.news2 .title h3 {
    font-size: 0.729vw;
    margin: 0.365vw 0 1.042vw;
    font-family: Calibri_Light;
    font-weight: 400;
    color: #AAAAAA;
}

.news2 .empty {
    /* font-size: 0.729vw; */
    font-family: Calibri_Light;
    font-weight: 400;
    line-height: 1.8;
    color: #949494;
}

.news2 .empty img {
    margin: 1.563vw 0;
    max-width: 100% !important;
    height: auto !important;
}

.news2 .empty * {
    white-space: normal !important;
}

.news2 .switch-page {
    margin: 2.865vw 0 0;
}

.news2 .switch-page dt {
    font-size: 0.729vw;
    margin-bottom: 0.417vw;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #000000;
    text-decoration: underline;
    transition: all ease .3s;
}

.news2 .switch-page dt:hover {
    transform: translateX(-0.26vw);
}

.news2 .switch-page dd {
    font-size: 0.729vw;
    margin-bottom: 0.417vw;
    font-family: Calibri_Light;
    font-weight: 400;
    color: #949494;
    transition: all ease .3s;
}

.news2 .switch-page dd:hover {
    color: #000000;
}

.body-sticky {
    width: 100%;
}

.sticky-box {
    position: relative;
    align-items: flex-start;
}

.sticky-box .slide {
    position: -webkit-sticky;
    position: sticky;
    top: 7.813vw;
    left: 0;
}

.sticky-box .slide li {
    padding: 0.885vw 2.396vw 0.729vw 0.729vw;
    font-size: 0.833vw;
    margin-bottom: 0.313vw;
    font-family: Calibri_Light;
    font-weight: 400;
    color: #000000;
    transition: all ease .3s;
    position: relative;
    transition: all ease .3s;
}

.sticky-box .slide li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    display: inline-block;
    box-shadow: 0vw 0vw 10vw rgba(0, 0, 0, 0.16);
    transition: all ease .3s;
}

.sticky-box .slide li a {
    display: flex;
    align-items: center;
}

.sticky-box .slide li span {
    display: block;
    width: 0.417vw;
    height: 0.417vw;
    margin-right: 0.417vw;
    border: 2px solid #000000;
    background: #000000;
    transition: all ease .3s;
}

.sticky-box .slide li.on,
.sticky-box .slide li:hover {
    color: #FFFFFF;
}

.sticky-box .slide li.on::before,
.sticky-box .slide li:hover::before {
    width: calc(100% + 1.042vw);
    background: #000000;
}

.sticky-box .slide li.on span,
.sticky-box .slide li:hover span {
    border: 2px solid #FFFFFF;
}

.sticky-box-wrap {
    width: 71.042vw;
    margin-right: 14.479vw;
}

.down1 {
    width: 100%;
}

.down1 .ev {
    width: 100%;
    height: 4.479vw;
    padding: 0 2.344vw 0 0.938vw;
    margin-bottom: 0.729vw;
    background: #F6F6F6;
}

.down1 .ev:hover {
    background: #000000;
}

.down1 .ev .left span {
    display: inline-block;
    width: 0.833vw;
    height: 0.052vw;
    background: #000000;
    margin-right: 0.625vw;
}

.down1 .ev .left h2 {
    font-size: 1.042vw;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #000000;
}

.down1 .ev .right {
    font-size: 1.042vw;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #575757;
}

.down1 .ev:hover .left span {
    background: #ffffff;
}

.down1 .ev:hover .left h2 {
    color: #ffffff;
}

.down1 .ev:hover .right {
    color: #ffffff;
}

.down1 .ev .right .icon {
    margin-left: 2.083vw;
    width: 0.938vw;
    position: relative;
}

.down1 .ev .right .icon img {
    width: 100%;
    display: block;
}

.down1 .ev .right .icon img:nth-child(2) {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    opacity: 0;
}

.down1 .ev:hover .right .icon img:nth-child(2) {
    opacity: 1;
}

.video1 .main {
    margin-top: 2.083vw;
    padding: 0 1.563vw;
}

.video1 .main .ev {
    width: 31%;
    margin-bottom: 2.604vw;
}

.video1 .main .zhanwei {
    width: 31%;
}

.video1 .main .ev .pic {
    width: 100%;
    height: 11.71875vw;
    background: #000;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.video1 .main .ev .pic .poster {
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.video1 .main .ev.open .pic .poster {
    display: none;
}

.video1 .main .ev .pic .poster::after {
    content: '';
    display: block;
    width: 3.125vw;
    height: 3.125vw;
    background: url('/img/icon-play.svg') no-repeat center/contain;
    opacity: 0.54;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    transition: all ease .3s;
    cursor: pointer;
}

.video1 .main .ev .pic:hover .poster::after {
    opacity: 1;
}

.video1 .main .ev .pic .poster img {
    width: 100%;
}

.video1 .main .ev .pic video {
    width: 100%;
}

.video1 .main .ev .pic iframe {
    width: 100%;
    height: 100%;
}

.video1 .main .ev h2 {
    font-size: 0.833vw;
    margin: 1em 0 0.1em;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #000000;
}

.video1 .main .ev h3 {
    font-size: 0.833vw;
    font-family: Calibri_Light;
    font-weight: 400;
    color: #C4C4C4;
}

.video1 .C-paging {
    margin-top: 2.865vw;
}

.faq1 {
    padding: 0 1.563vw;
}

.faq1 .ev .title {
    width: 100%;
    padding: 1.354vw 3vw 1.354vw 2.188vw;
    position: relative;
}

.faq1 .ev .title::after {
    content: '';
    display: inline-block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 50%;
    background: #F7F6F6;
    z-index: 1;
}

.faq1 .ev .title h2 {
    font-size: 1.458vw;
    font-family: Calibri_Light;
    font-weight: bold;
    color: #000000;
    position: relative;
    z-index: 2;
    cursor: pointer;
}

.faq1 .ev .title .btn {
    width: 1.25vw;
    height: 1.25vw;
    border: 1px solid #000000;
    position: absolute;
    right: 2.188vw;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    cursor: pointer;
}

.faq1 .ev .title .btn::before,
.faq1 .ev .title .btn::after {
    content: '';
    display: block;
    width: 50%;
    height: 0.052vw;
    background: #000000;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.faq1 .ev .title .btn::after {
    transform: translate(-50%, -50%) rotate(90deg);
    transition: all ease .3s;
}

.faq1 .ev.open .title .btn::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.faq1 .ev .desc {
    padding: 0.677vw 5.365vw 3.229vw 2.865vw;
    font-size: 0.938vw;
    font-family: arial, helvetica, sans-serif;
    font-weight: 400;
    color: #000000;
    background: #F7F6F6;
    display: none;
}

/* 
*======================================================media===============================================================
*/
@media screen and (max-width:1280px) {
    .news1 .main {
        width: 70vw;
        margin-right: 15vw;
    }
}

@media screen and (max-width:991px) {
    .news1 .main {
        width: 100vw;
        margin-right: 0;
    }

    .news1 .main .ev .pic {
        width: 230px;
        height: 230px;
    }

    .news1 .main .flex-column {
        width: 100%;
    }

    .news1 .main .bigGroup .left .ev {
        padding: 0 5%;
    }

    .news1 .main .bigGroup .left .ev .intr {
        padding: 70px 76px;
    }

    .news1 .main .bigGroup .right .ev {
        padding: 40px 8%;
    }

    .news1 .main .bigGroup .right .ev .intr,
    .news1 .main .smallGroup .ev .intr {
        width: calc(100% - 286px);
    }

    .news1 .main .smallGroup .left .ev {
        padding: 40px 8%;
        border-right: none;
    }

    .news1 .main .smallGroup .right .ev {
        padding: 40px 8%;
    }

    .news1 .main .group:nth-child(4n-1) .left .ev {
        padding: 0 5%;
    }

    .news1 .main .group:nth-child(4n-1) .right .ev {
        padding: 40px 8%;
    }

    .news1 .main .ev h3 {
        font-size: 18px;
    }

    .news1 .main .ev h2 {
        font-size: 20px;
        height: auto;
        -webkit-line-clamp: 1;
    }

    .news1 .main .ev p {
        font-size: 16px;
        line-height: 24px;
        height: auto;
        -webkit-line-clamp: 2;
    }

    .news1 .main .bigGroup .left .ev h3 {
        font-size: 18px;
    }

    .news1 .main .bigGroup .left .ev h2 {
        font-size: 28px;
        margin: 0.3em 0;
    }

    .news1 .main .bigGroup .left .ev p {
        font-size: 16px;
    }

    .news1 .C-paging {
        margin-top: 60px;
    }

    .news2 .news2-wrap {
        width: 90%;
    }

    .news2 .title {
        border-bottom: 1px solid #DFDFDF;
        margin: 0 0 20px;
    }

    .news2 .title h2 {
        font-size: 20px;
    }

    .news2 .title h3 {
        font-size: 14px;
        margin: 7px 0 20px;
    }

    .news2 .empty {
        font-size: 14px;
    }

    .news2 .empty img {
        margin: 30px 0;
    }

    .news2 .switch-page {
        margin: 55px 0 0;
    }

    .news2 .switch-page dt {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .news2 .switch-page dt:hover {
        transform: translateX(-5px);
    }

    .news2 .switch-page dd {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .sticky-box .slide {
        top: 150px;
        display: none;
    }

    .sticky-box .slide li {
        padding: 17px 46px 14px 14px;
        font-size: 16px;
        margin-bottom: 6px;
    }

    .sticky-box .slide li::before {
        box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.16);
    }

    .sticky-box .slide li span {
        display: block;
        width: 8px;
        height: 8px;
        margin-right: 8px;
        border: 2px solid #000000;
    }

    .sticky-box .slide li.on::before,
    .sticky-box .slide li:hover::before {
        width: calc(100% + 20px);
    }

    .sticky-box .slide li.on span,
    .sticky-box .slide li:hover span {
        border: 2px solid #FFFFFF;
    }

    .sticky-box-wrap {
        width: 90%;
        margin: 0 5%;
    }

    .down1 .ev {
        height: 66px;
        padding: 0 35px 0 18px;
        margin-bottom: 14px;
    }

    .down1 .ev .left span {
        width: 16px;
        height: 1px;
        margin-right: 12px;
    }

    .down1 .ev .left h2 {
        font-size: 16px;
    }

    .down1 .ev .right {
        font-size: 16px;
    }

    .down1 .ev .right .icon {
        margin-left: 30px;
        width: 16px;
    }

    .video1 .main {
        margin-top: 40px;
        padding: 0 30px;
    }

    .video1 .main .ev {
        width: 49%;
        margin-bottom: 50px;
    }

    .video1 .main .zhanwei {
        width: 49%;
    }

    .video1 .main .ev .pic {
        height: 225px;
    }

    .video1 .main .ev .pic .poster::after {
        width: 60px;
        height: 60px;
    }

    .video1 .main .ev h2 {
        font-size: 16px;
        margin: 1em 0 0.1em;
    }

    .video1 .main .ev h3 {
        font-size: 16px;
    }

    .video1 .C-paging {
        margin-top: 55px;
    }

    .faq1 {
        padding: 0 30px;
    }

    .faq1 .ev .title {
        padding: 26px 30px;
    }

    .faq1 .ev .title h2 {
        font-size: 20px;
    }

    .faq1 .ev .title .btn {
        width: 20px;
        height: 20px;
    }

    .faq1 .ev .title .btn::before,
    .faq1 .ev .title .btn::after {
        width: 50%;
        height: 1px;
    }

    .faq1 .ev .title .btn::after {
        transform: translate(-50%, -50%) rotate(90deg);
    }

    .faq1 .ev.open .title .btn::after {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    .faq1 .ev .desc {
        padding: 0px 10% 30px 40px;
        font-size: 14px;
    }
}

@media screen and (max-width:768px) {
    .news1 .main .ev .pic {
        width: 100%;
    }

    .news1 .main .flex-column {
        width: 100%;
    }

    .news1 .main .bigGroup .left .ev {
        padding: 0 5%;
    }

    .news1 .main .bigGroup .left .ev .intr {
        padding: 30px 36px;
    }

    .news1 .main .bigGroup .right .ev {
        padding: 20px 8%;
    }

    .news1 .main .bigGroup .right .ev .intr,
    .news1 .main .smallGroup .ev .intr {
        width: 100%;
        margin-top: 20px;
    }

    .news1 .main .smallGroup .left .ev {
        padding: 20px 8%;
        border-right: none;
    }

    .news1 .main .smallGroup .right .ev {
        padding: 20px 8%;
    }

    .news1 .main .group:nth-child(4n-1) .left .ev {
        padding: 0 5%;
    }

    .news1 .main .group:nth-child(4n-1) .right .ev {
        padding: 20px 8%;
    }

    .news1 .main .ev h3 {
        font-size: 16px;
    }

    .news1 .main .ev h2 {
        font-size: 18px;
    }

    .news1 .main .ev p {
        font-size: 14px;
        line-height: 1.5;
    }

    .news1 .main .bigGroup .left .ev h3 {
        font-size: 16px;
    }

    .news1 .main .bigGroup .left .ev h2 {
        font-size: 18px;
        margin: 0.3em 0;
    }

    .news1 .main .bigGroup .left .ev p {
        font-size: 14px;
    }

    .news1 .C-paging {
        margin-top: 50px;
    }

    .faq1 {
        padding: 0;
    }

    .faq1 .ev .title {
        padding: 16px 80px 16px 30px;
    }

    .video1 .main {
        margin-top: 40px;
        padding: 0;
    }

    .down1 .ev {
        height: auto;
        padding: 20px 35px;
    }

    .down1 .ev .right {
        margin-top: 10px;
        width: 100%;
        justify-content: flex-end;
    }

    .down1 .ev .left span {
        display: none;
    }
}

@media screen and (max-width:480px) {
    .sticky-box-wrap {
        width: 95%;
        margin: 0 2.5%;
    }

    .news2 .title h2 {
        font-size: 18px;
    }

    .news2 .empty {
        font-size: 13px;
    }

    .faq1 .ev .title {
        padding: 16px 40px 16px 30px;
    }

    .faq1 .ev .title h2 {
        font-size: 16px;
    }

    .video1 .main .ev {
        width: 100%;
        margin-bottom: 30px;
    }

    .video1 .main .zhanwei {
        width: 100%;
    }
}