@media screen and (min-width: 768px) {
    * {
        box-sizing: border-box;
    }
    body {
        background-color: #020716;
    }
    .pc header {
        width: 100%;
        height: 70px;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 999;
        background: rgba(0, 46, 54, .5);
        backdrop-filter: saturate(180%) blur(20px);
    }
    .pc .header-top {
        width: 1200px;
        height: 100%;
        position: absolute;
        left: 0;
        right: 0;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .pc .header-ul {
        height: 100%;
        display: flex;
        font-size: 16px;
    }
    .pc .header-logo {
        height: 32px;
    }
    .pc .header-ul a {
        width: 100px;
        line-height: 64px;
        text-align: center;
        text-decoration: none;
        color: #ffffff;
    }
    .pc .header-ul .li-active {
        border-bottom: 3px transparent solid;
        border-image: linear-gradient(90deg, #63FE9B 0%, #007EBD 100%) 1 10;
        color: #66FF98;
    }
    /* top */
    .pc .top {
        width: 100%;
        height: 570px;
        background: url(https://static.ijiwei.com/20210625/kv-pc.png)no-repeat center top;
        position: relative;
    }
    /*中间按钮*/
    .pc .top-center-btn {
        width: 1200px;
        position: absolute;
        bottom: 60px;
        left: 0;
        right: 0;
        margin: 0 auto;
    }
    .pc .top-center-btn-left {
        display: block;
        width: 270px;
        height: 66px;
        background: linear-gradient(90deg, #63FE9B 0%, #007EBD 18%, #003AE6 41%, #D700A6 61%, #E3AC00 82%, #63FE9B 100%);
        /*background: linear-gradient(264deg, rgba(253, 179, 84, 1) 0%, rgba(227, 34, 160, 1) 32%, rgba(86, 86, 246, 1) 67%, rgba(145, 84, 252, 1) 100%);
        */
        background-size: 1600% 1600%;
        animation: gradientBG 16s ease infinite;
        border-radius: 5px;
        font-size: 20px;
        color: #fff;
        line-height: 66px;
        text-align: center;
        text-decoration: none;
        transition: border-radius .25s linear;
        -webkit-transition: border-radius .25s linear;
        -moz-transition: border-radius .25s linear;
        -ms-transition: border-radius .25s linear;
        -o-transition: border-radius .25s linear;
    }
    .pc .top-center-btn-left:hover {
        border-radius: 60px;
        -webkit-border-radius: 60px;
        -moz-border-radius: 60px;
        -ms-border-radius: 60px;
        -o-border-radius: 60px;
    }
    @keyframes gradientBG {
        0% {
            background-position: 0% 50%;
        }
        50% {
            background-position: 100% 50%;
        }
        100% {
            background-position: 0% 50%;
        }
    }
    /*标题图片*/
    .pc .title-img-box {
        width: 100%;
        height: 140px;
        text-align: center;
    }
    .pc .title-img-box img {
        height: 100%;
    }
    /*会议亮点*/
    .highlights {
        width: 100%;
        height: 1128px;
        background: url(https://s.laoyaoba.com/2021jiwei/highlights.jpg)no-repeat center top;
    }
    .center-div {
        width: 1245px;
        height: 100%;
        margin: 0 auto;
        padding-top: 62px;
    }
    .line {
        width: 100%;
        height: 210px;
        margin-top: 3px;
        display: flex;
        position: relative;
    }
    .line div {
        width: 239px;
        height: 275px;
        position: absolute;
        display: flex;
        flex-direction: column;
        cursor: default;
    }
    .line .highlights-title {
        width: 192px;
        position: absolute;
        top: 130px;
        z-index: 1;
        font-size: 24px;
        font-family: MicrosoftYaHei-Bold, MicrosoftYaHei;
        font-weight: bold;
        color: #FFFFFF;
        line-height: 34px;
        left: 0;
        right: 0;
        margin: auto;
        text-align: center;
    }
    .line-active {
        display: flex;
        position: absolute;
        left: 0;
        top: -30px;
        transition: .15s linear;
        flex-direction: column;
        opacity: 0;
        -webkit-transition: .15s linear;
        -moz-transition: .15s linear;
        -ms-transition: .15s linear;
        -o-transition: .15s linear;
    }
    .line div:hover {
        z-index: 3;
    }
    .line div:hover .line-active {
        opacity: 1;
        top: 0;
    }
    .line-active .line-top {
        border-right: 120px solid transparent;
        border-left: 120px solid transparent;
        border-bottom: 69px solid rgba(11, 141, 138, .8);
    }
    .line-active .line-center {
        min-height: 137px;
        background-color: rgba(11, 141, 138, .8);
    }
    .highlights-active {
        display: block;
        width: 192px;
        font-size: 24px;
        font-family: MicrosoftYaHei-Bold, MicrosoftYaHei;
        font-weight: bold;
        color: #FFFFFF;
        line-height: 34px;
        margin: 61px auto 0;
        text-align: center;
    }
    .line-center .active-title {
        visibility: hidden;
    }
    .line-center .active-desc {
        font-size: 15px;
        font-family: MicrosoftYaHei;
        color: #FFFFFF;
        line-height: 24px;
        font-weight: normal;
    }
    .line-active .line-botoom {
        border-right: 120px solid transparent;
        border-left: 120px solid transparent;
        border-top: 69px solid rgba(11, 141, 138, .8);
    }
    .line .line-1 {
        left: 22px;
    }
    .line .line-2 {
        left: 269px;
    }
    .line .line-4 {
        left: 761px;
    }
    .line .line-5 {
        right: 0px;
    }
    .line .line-6 {
        left: 146px;
    }
    .line .line-7 {
        left: 391px;
    }
    .line .line-8 {
        right: 369px;
    }
    .line .line-9 {
        right: 123px;
    }
    /*会议亮点end*/
    /*新闻专题*/
    .news-topic {
        width: 100%;
        position: relative;
        z-index: 0;
        min-height: 710px;
        margin-bottom: 78px;
    }
    .news-topic .topic-background {
        width: 100%;
        height: 641px;
        position: absolute;
        top: 68px;
        background: url(https://s.laoyaoba.com/2021jiwei/topic-background.png)no-repeat center top;
        z-index: -1;
    }
    .news-topic .tioic-list {
        width: 1200px;
        margin: 0 auto;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .tioic-list .topic-item {
        width: 380px;
        margin-top: 30px;
        cursor: pointer;
        overflow: hidden;
    }
    .tioic-list .topic-item .topic-cover {
        width: 100%;
        height: 253px;
        transition: 0.15s linear;
        -webkit-transition: 0.15s linear;
        -moz-transition: 0.15s linear;
        -ms-transition: 0.15s linear;
        -o-transition: 0.15s linear;
    }
    .tioic-list .topic-item .topic-detail {
        width: 100%;
        height: 117px;
        padding: 15px 20px;
        background: #07243A;
        position: relative;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        cursor: pointer;
        transition: 0.15s linear;
        -webkit-transition: 0.15s linear;
        -moz-transition: 0.15s linear;
        -ms-transition: 0.15s linear;
        -o-transition: 0.15s linear;
    }
    .topic-item:hover img {
        transform: scale(1.1);
        -webkit-transform: scale(1.1);
        -moz-transform: scale(1.1);
        -ms-transform: scale(1.1);
        -o-transform: scale(1.1);
    }
    .tioic-list:after {
        width: 380px;
        margin-top: 30px;
        content: "";
    }
    .tioic-list .topic-item .topic-detail .topic-title {
        font-size: 17px;
        font-family: SourceHanSansCN-Normal, SourceHanSansCN;
        font-weight: 400;
        color: #FFFFFF;
        line-height: 26px;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
    }
    .tioic-list .topic-item .topic-detail .topic-name {
        font-size: 14px;
        font-family: SourceHanSansCN-Normal, SourceHanSansCN;
        font-weight: 400;
        color: rgba(255, 255, 255, 0.5);
        line-height: 21px;
    }
    .tioic-list .topic-item .topic-detail .topic-name span {
        margin-right: 20px;
    }
    .tioic-list .topic-item .topic-detail .next-btn {
        width: 30px;
        height: 30px;
        background-color: #039194;
        position: absolute;
        right: 0;
        bottom: 0;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .tioic-list .topic-item .topic-detail .next-btn img {
        width: 8px;
        height: 14px;
    }
    .topic-detail:hover {
        background-color: #039194!important;
    }
    .topic-detail:hover .next-btn {
        background-color: #07243A!important;
    }
    .news-topic .more-btn {
        width: 190px;
        line-height: 50px;
        text-align: center;
        margin: 30px auto;
        background: linear-gradient(90deg, #63FE9B 0%, #007EBD 100%);
        border-radius: 5px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 16px;
        font-family: MicrosoftYaHei;
        color: #FFFFFF;
    }
    .more-btn {
        transition: 0.1s linear;
        -webkit-transition: 0.1s linear;
        -moz-transition: 0.1s linear;
        -ms-transition: 0.1s linear;
        -o-transition: 0.1s linear;
    }
    .more-btn:hover {
        border-radius: 30px;
        -webkit-border-radius: 30px;
        -moz-border-radius: 30px;
        -ms-border-radius: 30px;
        -o-border-radius: 30px;
    }
     ::selection {
        background: #00aa39;
        color: #FFF;
    }
     ::-moz-selection {
        background: #00aa39;
        color: #FFF;
    }
     ::-webkit-selection {
        background: #00aa39;
        color: #FFF;
    }
    /*新闻专题end*/
    /*会议日程*/
    .pc .meeting-background {
        width: 100%;
        height: 1850px;
        background: url(https://s.laoyaoba.com/2021jiwei/meeting-background.png);
        position: relative;
    }
    .pc .right-qiu {
        width: 100%;
        height: 100%;
    }
    @-webkit-keyframes rotation {
        from {
            -webkit-transform: rotate(0deg);
        }
        to {
            -webkit-transform: rotate(360deg);
        }
    }
    .img-rotate {
        display: none;
        width: 236px;
        height: 236px;
        border-radius: 100%;
        position: absolute;
        bottom: 191px;
        right: 60px;
        -webkit-transform: rotate(360deg);
        animation: rotation 3s linear infinite;
        -moz-animation: rotation 3s linear infinite;
        -webkit-animation: rotation 3s linear infinite;
        -o-animation: rotation 3s linear infinite;
    }
    .meeting-list {
        width: 1200px;
        margin: 0 auto;
    }
    .meetingbox .day-item {
        flex: 1;
        padding: 30px 50px;
        display: flex;
        flex-direction: column;
    }
    .meetingbox .day-item .item-k {
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .meetingbox .day-item img {
        width: 53px;
    }
    .meetingbox .day-item .item-l {
        height: 130px;
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        padding: 20px 0;
    }
    .meetingbox .day-item .item-k:last-child {
        border: none;
    }
    .day-item div .day-time {
        font-size: 18px;
        font-family: MicrosoftYaHei-Bold, MicrosoftYaHei;
        font-weight: bold;
        color: #4B9ED3;
        line-height: 24px;
        letter-spacing: 1px;
    }
    .day-item div .day26-time {
        font-size: 18px;
        font-family: MicrosoftYaHei-Bold, MicrosoftYaHei;
        font-weight: bold;
        color: #9F4CCD;
        line-height: 24px;
        letter-spacing: 1px;
    }
    .day-item div .dat-title {
        font-size: 22px;
        font-family: MicrosoftYaHei-Bold, MicrosoftYaHei;
        font-weight: bold;
        color: #FFFFFF;
        line-height: 32px;
        letter-spacing: 1px;
    }
    .day-item div .dat-subtitle {
        font-size: 14px;
        font-family: MicrosoftYaHei;
        color: rgba(255, 255, 255, 0.5);
        line-height: 19px;
    }
    .meetingbox {
        width: 100%;
        position: relative;
    }
    .top-meetingbox {
        height: 581px;
        margin-top: 104px;
    }
    .bottom-meetingbox {
        height: 466px;
        margin-top: 160px;
    }
    .meetingbox .day-img {
        width: 343px;
        height: 212px;
        position: absolute;
        left: -57px;
        top: -130px;
    }
    .meeting-list .top-meeting {
        display: flex;
        width: 100%;
        position: absolute;
        background: linear-gradient(270deg, #093337 0%, #003859 100%);
    }
    .meeting-list .bottom-meeting {
        width: 100%;
        display: flex;
        position: absolute;
        background: linear-gradient(270deg, #111766 0%, #211147 100%);
    }
    .meeting-list .bottom2-meeting {
        width: 100%;
        height: 328px;
        background: linear-gradient(270deg, #111766 0%, #211147 100%);
        margin-top: 10px;
        display: flex;
        position: relative;
        flex-direction: column;
    }
    .meeting-list .bottom2-meeting .day-item {
        flex: 1;
        padding: 30px 30px 0;
        display: flex;
    }
    .meeting-list .bottom2-meeting .day-item2 {
        padding: 0 30px 30px;
    }
    /* .meeting-list .bottom2-meeting .day-item2:after {
        flex: 1;
        content: "";
    } */
    .meeting-list .bottom2-meeting .day-item div {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        text-align: center;
        align-items: center;
        padding: 20px 0;
    }
    /*会议日程end*/
    /* 特别鸣谢 */
    .index_company{
        width: 1200px;
        margin: 0 auto 84px;
        display: flex;
        justify-content: flex-start;
        flex-flow: wrap;
    }

    .logobox{
        width: 162px;
        margin-right: 11px;
        margin-top: 9px;
    }
    .logobox:nth-child(7n+1) {
        margin-right: 0;
    }
    .logobox img{
        width: 100%;
    }
    /* 会议地址 */
    .pc .meeting-address {
        width: 100%;
        height: 488px;
        position: relative;
        display: flex;
    }
    .pc .meeting-address-background {
        height: 100%;
        flex: 1;
        background: url(https://s.laoyaoba.com/2021jiwei/meeting-address-background.png);
        background-size: cover;
    }
    .pc .meeting-address-center {
        flex: 1;
        height: 100%;
        background: url(https://s.laoyaoba.com/2021jiwei/meeting-address-background.png);
        background-size: cover;
    }
    .pc .meeting-address-center-mapid {
        width: 100% !important;
        height: 100% !important;
        top: 0 !important;
        left: 0 !important;
    }
    .pc .meeting-address-center-mapid img {
        height: 100%;
    }
    .pc .meeting-address-txt {
        width: 1200px;
        height: 100%;
        position: absolute;
        left: 0;
        right: 0;
        margin: 0 auto;
        padding: 90px 0 140px;
        color: #fff;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .pc .meeting-address-txt .address-t {
        font-size: 30px;
        font-weight: bold;
        line-height: 47px;
    }
    .pc .meeting-address-txt .address-b {
        margin-top: 25px;
        font-size: 16px;
    }
    .address-b .add {
        font-size: 35px;
    }
    .pc .meeting-address-txt .address-b>p {
        line-height: 21px;
    }
    /* 会议地址end */
    /*往届回顾*/
    .pc .past-revlew {
        width: 100%;
        height: 1003px;
        padding-top: 99px;
        background: url(https://s.laoyaoba.com/2021jiwei/revlew-background.jpg)repeat center top;
    }
    .pc .historybox {
        width: 1200px;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
    }
    .pc .historybox a {
        width: 294px;
        height: 504px;
        font-size: 22px;
        font-weight: bold;
        color: #FFFFFF;
        line-height: 30px;
        text-decoration: none;
        position: relative;
        border: 2px solid #083AAC;
        border-radius: 10px;
        overflow: hidden;
        transition: .15s linear;
        -webkit-transition: .15s linear;
        -moz-transition: .15s linear;
        -ms-transition: .15s linear;
        -o-transition: .15s linear;
        -webkit-border-radius: 10px;
        -moz-border-radius: 10px;
        -ms-border-radius: 10px;
        -o-border-radius: 10px;
    }
    .pc .historybox a:hover {
        border: 2px solid #72FFFF;
        border-radius: 20px;
        -webkit-border-radius: 20px;
        -moz-border-radius: 20px;
        -ms-border-radius: 20px;
        -o-border-radius: 20px;
    }
    .pc .historybox img {
        width: 100%;
        height: 100%;
    }
    .pc .historybox span {
        line-height: 92px;
        width: 100%;
        text-align: center;
        position: absolute;
        left: 0;
        bottom: 0;
    }
    .historybox-1 {
        top: 147px;
    }
    .historybox-1:hover {
        top: 107px;
    }
    .historybox-2 {
        top: 39px;
    }
    .historybox-2:hover {
        top: -1px;
    }
    /*往届回顾end*/
    /*现场照片*/
    .pc .live-photo-box {
        width: 1200px;
        margin: 0 auto;
        color: #FFFFFF;
        position: relative;
        margin-bottom: 80px;
    }
    .pc .live-photo-lb {
        text-align: center;
        height: 500px;
    }
    .pc .live-photo-num {
        margin-top: 20px;
        text-align: center;
        font-size: 26px;
        font-weight: bold;
        line-height: 35px;
    }
    .pc .live-photo-lb img {
        height: 100%;
        max-width: 100%;
    }
    .pc .clickLeft {
        width: 50px;
        height: 50px;
        background: none;
    }
    .pc .clickLeft img {
        width: 100%;
    }
    .pc .clickRight img {
        width: 100%;
    }
    .pc .clickLeft:hover {
        background-color: #005FFF;
    }
    .pc .clickRight {
        width: 50px;
        height: 50px;
        background: none;
    }
    .pc .clickRight:hover {
        background-color: #005FFF;
    }
    /*现场照片end*/
    /*主办方介绍*/
    .pc .organizer-introduction-background {
        width: 100%;
        height: 264px;
        background: url(https://s.laoyaoba.com/2021jiwei/organizer-introduction-background.png);
        padding-top: 90px;
    }
    .titletab-background {
        width: 100%;
        height: 113px;
        background-color: #073B54;
    }
    .pc .organizer-title {
        width: 1200px;
        height: 100%;
        margin: 0 auto;
        display: flex;
        align-items: center;
    }
    .organizertitle {
        flex: 1;
        line-height: 113px;
        text-align: center;
        font-size: 24px;
        font-weight: 600;
        color: #fff;
        cursor: pointer;
    }
    .addbackground {
        background: linear-gradient(90deg, #63FE9B 0%, #007EBD 100%);
    }
    .pc .organizer-background {
        width: 100%;
        height: 491px;
        background-color: #0A2E48;
    }
    .organizer-content {
        width: 1200px;
        height: 100%;
        margin: 0 auto;
        padding-top: 70px;
    }
    .pc .organizer-jiwei {
        display: none;
        font-size: 16px;
        color: #FFFFFF;
        line-height: 26px;
    }
    .pc .organizer-jiwei h4 {
        font-size: 24px;
        font-weight: 600;
        line-height: 33px;
        margin-top: 0;
    }
    .pc .organizer-jiwei p {
        text-align: justify;
    }
    .pc .organizer-jiwei img {
        width: 450px;
        height: 313px;
        margin-right: 46px;
    }
    /*主办方介绍end*/
    /*底部*/
    .pc .foot-nav {
        width: 100%;
        height: 295px;
        background: linear-gradient(270deg, #01233C 0%, #184034 100%);
    }
    .pc .foot-bottom {
        height: 68px;
        line-height: 68px;
        background-color: #020716;
        color: #4F4F4F;
        text-align: center;
        font-size: 18px;
    }
    .pc .foot-nav-center {
        width: 1200px;
        height: 100%;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #fff;
    }
    .pc .foot-nav-center .bottom-logo {
        width: 126px;
        height: 83px;
    }
    .pc .foot-nav-center-left-top div {
        width: 200px;
        margin-left: 10px;
        float: left;
        font-size: 22px;
        line-height: 30px;
    }
    .pc .foot-nav-center-left-bottom-box {
        width: 200px;
        float: left;
        margin-top: 20px;
        margin-left: 10px;
        font-size: 18px;
        line-height: 40px;
    }
    .pc .foot-nav-center-right div {
        width: 136px;
        float: right;
        text-align: center;
        margin-right: 10px;
    }
    .pc .foot-nav-center-right p {
        width: 136px;
        text-align: center;
        line-height: 30px;
        font-weight: 600;
        font-size: 14px;
    }
    /*底部end*/
    /* 直播回放 */
    .liveloop{
        width: 1200px;
        margin: 11px auto 50px;
        display: flex;
        justify-content: space-between;
    }
    .liveloop a{
        display: flex;
        justify-content: center;
        align-items: center;
        width: 287px;
        height: 148px;
        text-decoration: none !important;
        transition: .15s linear;
        -webkit-transition: .15s linear;
        -moz-transition: .15s linear;
        -ms-transition: .15s linear;
        -o-transition: .15s linear;
        position: relative;
        top: 0;
    }
    .liveloop a:hover{
        top: -10px;
    }
    .liveloop .liveloop1{
        background: url(https://s.laoyaoba.com/2021jiwei/liveloop-pc1.png);
        background-size: cover;
    }
    .liveloop .liveloop2{
        background: url(https://s.laoyaoba.com/2021jiwei/liveloop-pc2.png);
        background-size: cover;
    }
    .liveloop .liveloop3{
        background: url(https://s.laoyaoba.com/2021jiwei/liveloop-pc3.png);
        background-size: cover;
    }
    .liveloop .liveloop4{
        background: url(https://s.laoyaoba.com/2021jiwei/liveloop-pc4.png);
        background-size: cover;
    }
    .liveloop p{
        font-size: 24px;
        font-family: MicrosoftYaHei-Bold, MicrosoftYaHei;
        font-weight: bold;
        color: #FFFFFF;
        line-height: 32px;
    }
}