.header-top-ad{
	display:none;
}

body {
    line-height: initial;
}

.mb {
    display: none
}

.live {
    margin: 0 4px;
    width: 12px;
    height: 12px;
}

.live+span {
    font-size: 12px;
    color: #c7000b;
}

#header {
    height: 100px;
    position: absolute;
    width: 100%;
    z-index: 99;
}

.header-tag-pc img {
    width: 120px !important;
}

.header-top .header-main .header-logo-outer .header-logo {
    margin-left: 7px;
}

.header-subsite-tools .header-tools-list {
    font-size: 14px;
}

@media (min-width: 1440px) {

    .header-top .header-main {
        max-width: 1440px;
    }

    .header-nav {
        max-width: 1440px;
    }
}

.img-wrap {
    background-repeat: no-repeat;
    background-size: 100% auto;
    animation: frame 1000ms steps(25) both infinite alternate;
    -o-animation: frame 1000ms steps(25) both infinite alternate;
    -ms-animation: frame 1000ms steps(25) both infinite alternate;
    -moz-animation: frame 1000ms steps(25) both infinite alternate;
}

.img-wrap::before {
    content: "";
    display: block;
    padding-top: calc(360 / 700 * 100%);
}

.img-wrap.guest::before {
    padding-top: calc(400 / 700 * 100%);
}

.img-wrap.agenda::before {
    padding-top: calc(390 / 700 * 100%);
}

.img-wrap.activity::before {
    padding-top: calc(720 / 550 * 100%);
}

.img-wrap.codelabs::before {
    padding-top: calc(469 / 1250 * 100%);
}

.img-wrap.site::before {
    padding-top: calc(400 / 700 * 100%);
}

.img-wrap.introduction {
    margin-left: -100px;
}

.img-wrap.guest {
    margin-left: -60px;
    animation-duration: 1200ms;
    -ms-animation-duration: 1200ms;
    -o-animation-duration: 1200ms;
    -moz-animation-duration: 1200ms;
}

.img-wrap.agenda {
    margin-left: -60px;
    animation-duration: 1200ms;
    -ms-animation-duration: 1200ms;
    -o-animation-duration: 1200ms;
    -moz-animation-duration: 1200ms;
}

.img-wrap.activity {
    margin-left: -18px;
    margin-right: 18px;
    animation-duration: 1400ms;
    -ms-animation-duration: 1400ms;
    -o-animation-duration: 1400ms;
    -moz-animation-duration: 1400ms;
}

.img-wrap.codelabs {
    margin: 0 -40px;
    animation-duration: 1600ms;
    -ms-animation-duration: 1600ms;
    -o-animation-duration: 1600ms;
    -moz-animation-duration: 1600ms;
}

.img-wrap.site {
    margin-right: -30px;
    animation-duration: 1800ms;
    -ms-animation-duration: 1800ms;
    -o-animation-duration: 1800ms;
    -moz-animation-duration: 1800ms;
}


@keyframes frame {
    from {
        background-position: 0 0;
    }

    to {
        background-position: 0 100%;
    }
}

a,
body,
p {
    color: #252b3a
}

a {
    text-decoration: none
}

.clear-fix {
    zoom: 1
}

.clear-fix::after,
.clear-fix::before {
    display: table;
    content: "";
    clear: both
}

.hdc-head.hide,
.hdc-head-mb.hide,
.hide {
    display: none
}

.video {
    outline: 0
}

.video-modal.show {
    display: block
}

.video-modal {
    display: none;
    overflow: hidden;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1050;
    -webkit-overflow-scrolling: touch;
    outline: 0;
    background-color: rgba(0, 0, 0, .4)
}

.modal-body {
    position: absolute;
    width: 57.29%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: #000
}

.modal-body .video {
    width: 100%
}

.close {
    position: absolute;
    right: -60px;
    top: -60px;
    display: block;
    width: 44px;
    height: 44px;
    border-radius: 100%;
    background: #fff;
    background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/close.png);
    background-repeat: no-repeat;
    background-position: center;
}


.close:hover {
    cursor: pointer;
    opacity: .8
}

.init-wrap {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    opacity: 0;
    background-color: #fff;
    transition: opacity .6s
}

.init-wrap .mask {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1001;
}

.init-wrap .init-text,
.init-wrap .init-img {
    position: absolute;
}

.init-wrap .init-text {
    width: 520px;
    top: 156px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.init-wrap .init-img {
    width: 100%;
    bottom: 0;
}



.init-wrap.in,
.video-wrap.in {
    opacity: 1;
    transition: opacity 1s
}

.hdc-banner-wrap {
    position: relative;
}

.banner-body .banner-video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pageSection {
    position: fixed;
    top: 37.5%;
    left: 30px;
    z-index: 20;
    padding: 10px
}

.pageSection .point.selected,
body:not(.Mobile) .pageSection .point:hover {
    background: #252b3a
}

.pageSection .point:first-child {
    margin-top: 0
}

.pageSection .point {
    position: relative;
    display: block;
    margin-top: 26px;
    width: 11px;
    height: 11px;
    border: 1px solid #252b3a;
    border-radius: 100%;
    transition: background .5s
}

.pageSection .point .info {
    position: absolute;
    left: 26px;
    top: -8px;
    padding: 5px 15px;
    color: #fff;
    font-size: 12px;
    line-height: 18px;
    white-space: nowrap;
    background: #252b3a;
    border-radius: 2px;
    opacity: 0;
    transition: opacity .5s
}

body:not(.Mobile) .pageSection .point:hover .info {
    opacity: 1
}

.pageSection .point .info::after {
    position: absolute;
    content: "";
    display: inline-block;
    left: -8px;
    width: 0;
    height: 0;
    top: 8px;
    border-top: 5px solid transparent;
    border-right: 10px solid #252b3a;
    border-bottom: 5px solid transparent
}

.ticket-fixed {
    position: fixed;
    top: 37.5%;
    right: 0;
    z-index: 101;
    cursor: pointer;
    transition: transform .5s;
    box-shadow: 0 4px 12px 0 rgba(0, 0, 0, .1)
}

.visble {
    height: 0
}

.ticket-fixed.in {
    box-shadow: 0 4px 12px 0 rgba(0, 0, 0, .1);
    transform: translateX(0)
}

.ticket-fixed .icon-box {
    display: inline-block;
    background-color: #c7000b;
    width: 82px;
    height: 82px;
    line-height: 82px;
    font-size: 0;
    text-align: center
}

body:not(.Mobile) .ticket-fixed .icon-box:hover {
    background-color: #d64a52;
}

.ticket-fixed .icon-box img {
    vertical-align: middle
}

.ticket-fixed .icon-box img.pc {
    width: 49px;
}

.ticket-fixed .ticket-text {
    text-align: center;
    width: 82px;
    padding: 21px 31px 25px;
    font-size: 16px;
    background-color: #fff;
    line-height: 22px;
}

.video-wrap {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    opacity: 0;
    background: rgba(0, 0, 0, .7);
    transition: opacity .6s;
}

.video-wrap .video-box {
    position: absolute;
    width: 57.29%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 40;
    background-color: #000;
}

.video-wrap .enter-btn {
    position: absolute;
    bottom: -66px;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 51px 14px 54px;
    font-size: 14px;
    line-height: 20px;
    color: #fff;
    cursor: pointer;
    background-color: #c7000b
}

body:not(.Mobile) .video-wrap .enter-btn:hover {
    background-color: #d64a52;
    color: #fff;
}

.video-wrap .video-box video {
    width: 100%
}

.banner-body {
    position: relative;
    font-size: 0;
    overflow: hidden;
    height: 100vh;
}

.react-wrap {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0
}

.react-wrap .react {
    position: absolute;
    left: 0;
    top: 0;
    width: 200px;
    height: 150px
}

.react.introduction {
    left: 64%;
    top: 15%;
    height: 200px;
    width: 170px
}

.react.sectionGuest {
    width: 140px;
    height: 120px;
    left: 29%;
    top: 12%
}

.react.sectionAgenda {
    left: 48%;
    top: 60%;
    width: 170px
}

.react.sectionActivity {
    width: 140px;
    height: 200px;
    left: 33%;
    top: 44%
}

.react.sectionCodelabs {
    width: 203px;
    height: 300px;
    left: 46%;
    top: 16%
}

.react.sectionSite {
    width: 200px;
    height: 200px;
    left: 13%;
    top: 69%
}

.banner-foot {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1440px;
    height: 22px;
    font-size: 18px;
    line-height: 22px;
    font-weight: 600
}

@media (max-width: 1439px) {
    .banner-foot {
        max-width: 1200px;
    }
}

.banner-foot .banner-title {
    float: left
}

.banner-foot .banner-title>span {
    color: #c7000b
}

.banner-foot .banner-msg {
    float: right
}

.hdc-section-outer {
    padding: 100px 0 60px;
    background-size: cover
}

.hdc-section {
    position: relative;
    padding-top: 90px;
    padding-bottom: 90px
}

.hdc-section-bg {
    position: absolute;
    font-size: 0
}

.hdc-section-wrap {
    position: relative;
    max-width: 1280px;
    margin: 0 auto
}

.section-head-title {
    position: relative;
    display: inline-block;
    margin-bottom: 44px;
    font-size: 30px;
    line-height: 40px;
    font-weight: 700
}

.section-head-detail {
    font-size: 16px;
    letter-spacing: 0;
    line-height: 26px
}

.section-content {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center
}

.section-content-right {
    font-size: 0
}

.section-content-right .main-img {
    width: 100%
}

.section-content-left {
    order: 1;
    width: 702px
}

.section-content-left .content-left-head {
    position: relative;
    display: inline-block;
    margin-bottom: 34px;
    font-size: 30px;
    line-height: 40px;
    font-weight: 600
}

.hdc-section.introduction .section-content-left .content-left-head::before,
.hdc-section.site .section-content-left .content-left-head::before {
    width: 40%;
}

.section-content-left .content-left-head::before,
.section-head-title:before {
    content: "";
    position: absolute;
    display: inline-block;
    bottom: -10px;
    width: 100%;
    height: 4px;
    background-color: #c7000b
}

.section-content-left .content-left-body {
    font-size: 16px;
    line-height: 30px
}

.section-content-left .content-left-foot {
    margin-top: 32px;
    font-size: 20px;
    font-weight: 600;
    line-height: 26px;
}

.section-content-left .content-left-foot .left-foot-text {
    font-size: 20px;
    line-height: 26px;
    font-weight: 600
}

.title {
    font-size: 18px;
    line-height: 24px;
    font-weight: 700
}

.detail {
    font-size: 14px;
    line-height: 20px
}

.more {
    display: inline-block;
    line-height: 36px
}

.center-content .more,
.content-left-foot .more,
.section-foot .more,
.review .more {
    font-size: 0;
    width: 120px;
    height: 36px;
    border: 1px solid #252b3a;
    border-radius: 2px;
    color: #252b3a;
    text-align: center;
    line-height: 34px;
    font-weight: normal;
}

.review.hdc-section {
    padding: 0;
}

.golden-pc.hdc-section {
    padding-bottom: 150px;
}

.review .hdc-section-wrap {
    text-align: center;
}

.review .section-head,
.golden-pc .section-head {
    text-align: center;
}

.review .more {
    margin-top: 47px;
}

body:not(.Mobile) .center-content .more:hover,
body:not(.Mobile) .content-left-foot .more:hover,
body:not(.Mobile) .review .more:hover {
    border-color: #c7000b;
}

body:not(.Mobile) .center-content .more:hover a,
body:not(.Mobile) .content-left-foot .more:hover a,
body:not(.Mobile) .review .more:hover a {
    color: #c7000b;
}

.center-content .more a,
.content-left-foot .more a,
.review .more a {
    display: block;
    height: 100%;
    color: #252b3a;
    font-size: 14px;
    font-weight: 500;
}


.more img {
    display: none;
    width: 35px;
    margin-left: 30px
}

.hdc-section.agenda .section-content-right,
.hdc-section.guest .section-content-right,
.hdc-section.introduction .section-content-right {
    width: calc(100% - 722px);
    position: relative;
    margin-right: 60px
}

.move-img {
    position: absolute;
    transition: all 2s;
    transform: scale(.52)
}

.hdc-section.introduction {
    padding-top: 20px;
    padding-bottom: 120px
}

.hdc-section.introduction .section-content-right .main-img {
    transform: scale(1.5)
}

.hdc-section.introduction .img-a {
    left: -200px;
    bottom: 50px
}

.hdc-section.introduction .img-b {
    left: 20px;
    top: -30px
}

.hdc-section.introduction .img-c {
    left: 20%;
    top: -100px
}

.hdc-section.introduction .img-d {
    right: -40px;
    top: -60px
}

.hdc-section.introduction .img-e {
    right: -50px;
    top: 30px
}

.hdc-section.introduction .img-f {
    bottom: -16px;
    right: -40px
}

.introduction-item {
    display: flex;
    align-items: baseline;
    font-size: 16px;
    line-height: 30px;
}

.introduction-item .introduction-icon {
    width: 14px;
    height: 14px;
}

.introduction-item .introduction-text {
    width: calc(100% - 30px);
    margin-left: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical
}

.hdc-section.introduction .left-body-title {
    margin-bottom: 32px
}

.hdc-section.speaks {
    padding-top: 52px;
    padding-bottom: 52px;
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L2-bg.jpg) no-repeat center;
    background-size: cover;
}

.hdc-section.speaks .section-content {
    height: 400px
}

.hdc-section.speaks .section-content-left {
    order: 0;
    width: 50%;
}

.hdc-section.speaks .section-content-right {
    position: relative;
    width: 702px;
    height: 100%;
}

/* .hdc-section.speaks .section-content-right img {
    width: 100%
} */

.hdc-section.speaks .section-content-right .play-icon {
    position: absolute;
    width: 74px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
}

.speaks-text {
    position: relative;
    width: 460px;
    font-size: 16px;
    line-height: 30px;
    color: #252b3a;
}

.speaks-text p {
    margin-top: 12px;
}

.speaks-text span {
    display: inline-block;
    margin-top: 17px;
    margin-top: 24px;
    font-size: 24px;
    line-height: 40px;
    color: #c7000b
}

.speaks-text::after,
.speaks-text::before {
    content: "";
    position: absolute;
    display: none;
    width: 50px;
    height: 36px;
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L2_yinhao.png) no-repeat;
}

.speaks-text::before {
    left: -100px;
    top: -18px
}

.speaks-text::after {
    right: -70px;
    bottom: -16px;
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L2_yinhao2.png) no-repeat;
}

.speaker {
    font-size: 16px;
    color: #575D6C;
    line-height: 32px;
    margin-top: 44px;
}

.speaker .name {
    font-size: 18px;
    font-weight: 600;
    color: #252b3a;
    line-height: 34px;
}

.speaker .text {
    font-size: 14px;
    line-height: 30px;
}

.hdc-section.guest .hdc-section-wrap {
    position: relative
}

.hdc-section.guest {
    padding-top: 82px;
}

.hdc-section.guest .section-content {
    height: 341px;
}

.hdc-section.guest .left-body-title {
    min-height: 96px
}

.hdc-section.guest .main-img {
    transform: scale(1.1);
}

.hdc-section.guest .guest-button {
    width: 15px;
    height: 15px;
    cursor: pointer;
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/left-btn.png) no-repeat;
    background-size: contain;
}

.hdc-section.guest .guest-btn-wrap {
    display: flex;
    align-items: baseline;
    justify-content: flex-end;
    margin-bottom: 20px;
}

.hdc-section.guest .guest-button.disable {
    opacity: 0.6;
}

.count {
    margin: 0 16px;
    margin-right: 25px;
    font-size: 20px;
    line-height: 26px;
    color: #575d6c;
}

.count .current {
    display: inline-block;
    font-size: 32px;
    line-height: 40px;
    color: #252b3a;
    font-weight: 500;
}

/* .hdc-section.guest .guest-button.guest-button-prev {
    left: -70px
}

*/
.hdc-section.guest .guest-button.guest-button-next {

    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/right-btn.png) no-repeat;
    background-size: contain;
}


.guest-list .guest-item {
    position: relative;
    padding: 34px 60px 247px 25px;
    min-height: 360px;
    box-sizing: border-box
}

.guest-item .item-img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    z-index: -1
}

.item-content .content-title {
    font-size: 18px;
    line-height: 24px;
    font-weight: 500;
    margin-bottom: 10px
}

.item-content .content-detail {
    font-size: 14px;
    color: #575d6c;
    line-height: 22px;
    min-height: 44px;
}

.hdc-section.agenda .section-content-right .main-img {
    transform: translateX(-40px)
}

.hdc-section.agenda .img-a {
    left: 0;
    top: -40px
}

.hdc-section.agenda .img-b {
    right: 60px
}

.hdc-section.agenda .left-body-detail .detail-text {
    display: inline-block;
    margin-top: 32px;
    font-size: 16px;
    line-height: 24px
}

.hdc-section.agenda .left-body-detail .detail-text img {
    width: 16px;
    margin-right: 16px;
    vertical-align: middle;
}

.hdc-section.agenda .left-body-detail .detail-text span {
    vertical-align: middle;
}

.hdc-section.agenda .left-body-detail .detail-text:not(:last-of-type) {
    margin-right: 56px
}

.hdc-section.agenda .left-body-detail .detail-text:last-of-type img {
    width: 14px;
    vertical-align: text-bottom
}

.hdc-section.agenda .more {
    margin-top: 6px
}

.agenda-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    margin-top: 64px
}

.agenda-list-item {
    position: relative;
    padding-bottom: 50px;
    margin-bottom: 32px;
    width: calc((100% - 64px)/ 3);
    border-radius: 2px;
    box-shadow: 0px 4px 12px 0px rgba(0, 0, 0, 0.10);
}

.agenda-list-item a {
    cursor: initial;

}

.agenda-list-item .item-top {
    display: flex;
    position: relative;
    overflow: hidden;
    justify-content: space-between;
    padding: 28px 36px 36px 36px;
}

.hot-title,
.agenda-list-item .item-top .hot-title {
    position: absolute;
    right: -21px;
    top: 15px;
    width: 90px;
    line-height: 20px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    transform: rotate(45deg);
    color: rgba(255, 255, 255, 1);
    background-color: #c7000b;
    animation: hot 1000ms linear both infinite alternate;
}

@keyframes hot {
    from {
        color: rgba(255, 255, 255, .4);
    }

    to {
        color: rgba(255, 255, 255, 1);
    }
}

.agenda-list-item .item-top.item-1 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L4-1-bg.jpg) no-repeat center;
    background-size: cover;
}

.agenda-list-item .item-top.item-2 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L4-2-bg.jpg) no-repeat center;
    background-size: cover;
}

.agenda-list-item .item-top.item-3 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L4-3-bg.jpg) no-repeat center;
    background-size: cover;
}

.agenda-list-item .item-top.item-4 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L4-4-bg.jpg) no-repeat center;
    background-size: cover;
}

.agenda-list-item .item-top.item-5 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L4-5-bg.jpg) no-repeat center;
    background-size: cover;
}

.agenda-list-item .item-top.item-6 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L4-6-bg.jpg) no-repeat center;
    background-size: cover;
}

.agenda-list-item .item-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 50px;

}

.agenda-list-item:nth-child(-n+5) .item-bottom {
    text-align: center;
    font-size: 14px;
    color: #c7000b;
    font-weight: 500;
    box-shadow: 0px -2px 6px 0px rgba(0, 0, 0, 0.10);
    background: rgba(255, 255, 255, .4);
}

.agenda-list-item:nth-child(-n+5).active .item-bottom {
    color: #fff;
    background-color: #c7000b;
}


.agenda-list-item:nth-child(n+6) {
    background: rgba(255, 255, 255, 0.40);
}

.agenda-list-item:nth-child(n+6) .item-bottom {
    text-align: center;
    line-height: 50px;
    font-size: 14px;
    font-weight: 600;
    color: #adb0b8;
    background: rgba(255, 255, 255, 0.40);
}

body:not(.Mobile) .agenda-list-item:nth-child(-n+5):hover a {
    cursor: pointer;
}

.agenda-list-item:nth-child(n+6) .item-head img {
    display: none;
}

.agenda-list-item:nth-child(n+6) .item-head span {
    color: #575d6c !important;
}

.agenda-list-item .item-left {
    width: calc(100% - 266px);
    font-size: 0
}

.agenda-list-item .item-left img {
    width: 100%
}

.agenda-list-item .item-right {
    width: 242px
}

.agenda-list-item .item-right .item-head {
    position: relative;
    margin-bottom: 8px;
    font-size: 20px;
    line-height: 26px;
    color: #414141;
    font-weight: 600
}

.agenda-list-item .item-right .item-head span {
    font-size: 14px;
    font-weight: 500;
    color: #c7000b;
}

.agenda-list-item .item-right .item-head img {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 13px;
    width: 35px
}

.agenda-list-item .item-right .item-detail {
    font-size: 12px;
    line-height: 20px;
    color: #575d6c
}

.hdc-section.ad-slot .section-content {
    display: inherit
}

.hdc-section.activity {
    padding-top: 40px;
    padding-bottom: 110px;
}

.activity-head {
    position: relative;
    display: none;
    margin-bottom: 34px;
    font-size: 30px;
    line-height: 40px;
    font-weight: 600;
}

.activity-head::before {
    content: "";
    position: absolute;
    display: inline-block;
    bottom: -10px;
    width: 100%;
    height: 4px;
    background-color: #c7000b;

}

.hdc-section.activity .section-body {
    position: relative;
    display: flex;
}

.hdc-section.activity .center-content .more {
    position: absolute;
    bottom: 0;
}

.activity-card {
    position: relative;
    z-index: 1;
    max-height: 530px;
    background: rgba(255, 255, 255, 0.60);
    box-shadow: 0px 4px 12px 0px rgba(0, 0, 0, 0.10);
}

.activity-title {
    font-size: 18px;
    line-height: 24px;
    font-weight: 700
}

.activity-detail {
    font-size: 14px;
    line-height: 22px;
    margin-top: 16px;
    color: #575d6c
}

.hdc-section.activity .left-content .activity-card .activity-title,
.hdc-section.activity .left-content .activity-card .activity-detail {
    padding-right: 149px;
}

.hdc-section.activity .right-content .activity-card .activity-title,
.hdc-section.activity .right-content .activity-card .activity-detail {
    padding-right: 186px;
}

.activity-card .more {
    position: absolute;
    font-size: 14px;
    line-height: 18px;
    color: #c7000b;
    cursor: pointer
}

.activity-card .more-icon {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    width: 16px;
    margin-left: 6px;
    border-top: 1px solid #c7000b;
    transition: all .3s
}

.activity-card .more-icon::after {
    position: absolute;
    content: "";
    display: inline-block;
    border-top: 1px solid #c7000b;
    width: 6px;
    right: 0;
    top: -3px;
    transform: rotateZ(45deg)
}

.hdc-section.activity .left-content .activity-card-img {
    position: absolute;
    bottom: 0;
    z-index: 0;
    width: 169px;
}

.hdc-section.activity .left-content .activity-card:first-child .activity-card-img {
    right: -3px;
    bottom: 40px;
    width: 178px;
}

.hdc-section.activity .left-content .activity-card:last-child .activity-card-img {
    width: 140px;
    /* right: -22px; */
}

.hdc-section.activity .center-content {
    position: relative;
    margin-right: 43px;
    width: 276px
}

.activity-card.active .card-bottom {
    color: #fff;
    background-color: #c7000b;
}

.hdc-section.activity .center-content .center-detail {
    margin-top: 33px;
    margin-right: 18px;
    margin-bottom: 37px;
    font-size: 16px;
    line-height: 30px;
}

/* .hdc-section.activity .left-content {} */
.card-bottom {
    position: absolute;
    bottom: 0;
    height: 50px;
    line-height: 50px;
    width: 100%;
    text-align: center;
    font-weight: 500;
    color: #c7000b;
    font-size: 14px;
    background-color: #fff;
    box-shadow: 0px -2px 6px 0px rgba(0, 0, 0, 0.10);
}

.hdc-section.activity .move-img {
    transform: scale(.3)
}

.hdc-section.activity .center-content .main-img {
    width: 100%
}

.hdc-section.activity .right-content .activity-card-img {
    position: absolute;
    bottom: 5px;
    right: 7px
}

.hdc-section.activity .right-content .activity-card-img.bg-1 {
    width: 203px;
    bottom: 58px;
    right: 0;
}

.hdc-section.activity .right-content .activity-card:last-of-type .activity-card-img {
    width: 175px;
    right: 9px;
    bottom: 50px;
}

.hdc-section.activity .left-content .activity-card-img.bg-2 {
    bottom: 50px;
    right: 14px;
    width: 203px;
}

.hdc-section.activity .right-content .more {
    bottom: 0;
    left: 0
}

.hdc-section.ad {
    padding-top: 30px;
    padding-bottom: 110px;
}

.hdc-section.ad .hdc-section-wrap {
    padding-top: calc(240 / 1280 * 100%);
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/ad-bg.jpg) no-repeat center;
    background-size: contain;
}

.hdc-section-bg.codelabs {
    position: relative;
    left: 52%;
    top: 90px;
    transform: translate(-50%, -20%);
}

.hdc-section-bg.codelabs .main-img {
    transform: scale(1.1)
}

.hdc-section.codelabs .section-content {
    display: flex;
    align-items: baseline
}

.hdc-section.codelabs .section-content-left {
    position: static;
    top: 0;
    transform: translateY(0);
    width: 702px
}

.hdc-section.codelabs .section-content-left:first-of-type {
    width: calc(100% - 794px);
    margin-right: 400px
}

.hdc-section.codelabs .content-content-foot .more {
    margin-left: 36%;
}

.hdc-section.site {
    padding: 0 0 65px
}

.hdc-section.site .section-content {
    height: 377px;
    margin-bottom: 47px
}

.hdc-section.site .section-content-left {
    width: 488px;
    order: 0
}

.hdc-section.site .section-content-right {
    width: calc(100% - 588px);
    position: relative
}

.hdc-section.site .section-content-right .main-img {
    transform: translateX(40px)
}

.hdc-section.site .img-a {
    bottom: -100px;
    left: 0
}

.hdc-section.site .img-b {
    left: 10%;
    top: 10%
}

.hdc-section.site .img-c {
    left: 22%;
    top: 22%
}

.hdc-section.site .img-d {
    right: 0;
    top: -40px
}

.hdc-section.site .img-e {
    bottom: -60px;
    right: -150px
}

.site-list {
    margin: 101px 0 46px;
    display: flex;
    justify-content: space-between
}

.site-card-wrap {
    display: flex;
    justify-content: space-between
}

.site-list .site-card {
    width: calc((100% - 48px)/ 4);
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 8px 16px 0 rgba(147, 154, 255, .1)
}

body:not(.Mobile) .site-list .site-card:hover {
    cursor: pointer;
}

body:not(.Mobile) .site-list .site-card:hover .site-title {
    color: #c7000b;
}

.site-list .site-card .site-head {
    padding: 53px 0;
    font-size: 30px;
    text-align: center;
    color: #fff;
    line-height: 40px
}

.site-list .site-card .site-head.site-bg-1 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L7-1.png) no-repeat
}

.site-list .site-card .site-head.site-bg-2 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L7-2.png) no-repeat
}

.site-list .site-card .site-head.site-bg-3 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L7-3.png) no-repeat
}

.site-list .site-card .site-head.site-bg-4 {
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/L7-4.png) no-repeat
}

.site-card .site-body {
    position: relative;
    padding: 24px;
    background: #fff
}

.site-card .site-body .site-title {
    margin-bottom: 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 18px;
    font-weight: 600;
    line-height: 24px
}

.site-card .site-body .site-detail-text {
    font-size: 14px;
    line-height: 18px
}

.site-card .site-body .site-detail-text:last-of-type span {
    float: right;
    font-size: 14px;
    line-height: 18px;
    font-weight: 600
}

.site-card .site-body .site-detail-text:not(:last-of-type) {
    margin-bottom: 8px
}

.site-card .site-body .site-detail-text img {
    margin-right: 12px;
    width: 15px;
    vertical-align: middle;
}

.site-card .site-body .site-detail-text:first-of-type span {
    vertical-align: middle;
}

.site-card .site-body .more-detail {
    position: absolute;
    left: 24px;
    bottom: 24px;
    font-size: 14px;
    color: #c7000b;
    line-height: 20px
}

.hdc-section.address .section-content {
    display: flex;
    background: rgba(255, 255, 255, 0.30);
    box-shadow: 0px 4px 12px 0px rgba(130, 134, 159, 0.20);
}

.address-img {
    width: calc(100% - 577px);
    font-size: 0
}

.address-img img {
    width: 100%;
    height: 100%
}

.address-msg {
    padding: 78px 0 76px 108px;
    width: 577px;
    max-height: 410px;
    font-size: 16px;
    line-height: 22px
}

.msg-list:not(:last-of-type) {
    margin-bottom: 24px
}

.msg-title {
    display: inline-block;
    vertical-align: middle;
    margin-right: 22px
}

.address-btn-wrap {
    margin-top: 54px
}

.address-btn {
    display: inline-block;

    text-align: center;
    border: 1px solid #252b3a;
    border-radius: 2px;
    cursor: pointer;
}

.address-btn a {
    display: inline-block;
    padding: 10px 52px;
    font-size: 14px;
    line-height: 20px;
}

body:not(.Mobile) .address-btn:hover a {
    color: #c7000b;
}

body:not(.Mobile) .address-btn:hover,
body:not(.Mobile) .join-button:hover {
    border-color: #c7000b;
    color: #c7000b;
}

.address-btn.red-btn {
    border: none;
}

.address-btn.red-btn a {

    background: #c7000b;
    color: #fff
}

body:not(.Mobile) .address-btn.red-btn:hover a {
    background-color: #d64a52;
    color: #fff;

}

.hdc-section.consult {
    padding-top: 28px;
    padding-bottom: 88px;
}

.consult-list {
    display: flex;
    justify-content: space-between;
    width: 100%
}

.consult-list .consult-item .consult-title {
    margin-bottom: 16px;
    font-size: 22px;
    font-weight: 600;
    color: #414141;
    line-height: 26px
}

.consult-list .consult-item .consult-detail {
    font-size: 16px;
    line-height: 24px;
    color: #575d6c
}

/* 温馨提示 */
.hdc-section.notice {
    padding: 40px 0;
}

.hdc-section.notice .hdc-section-wrap {
    display: flex;
}

.hdc-section.notice .section-content-left {
    order: 0;
    width: calc(100% - 603px);
    margin-right: 24px;
}

.hdc-section.notice .section-content-left .sub-head {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    line-height: 40px;
}

.hdc-section.notice .section-content-left .content-left-body {
    font-size: 16px;
    line-height: 30px;
}

.hdc-section.notice .section-content-right {
    width: 579px;
}

.hdc-section.notice .section-content-right .table-title {
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 16px;
    color: #252b3a;
    line-height: 22px;
}

.hdc-section.notice .section-content-right .table-wrap:not(:last-of-type) {
    margin-bottom: 12px;
}

.hdc-section.notice .section-content-right img {
    width: 100%;
    box-shadow: 0 4px 12px 0 rgb(0 0 0 / 10%);
}


.review .swiper-slide {
    width: 666px;
}

.review .arrow-icon {
    position: absolute;
    top: calc(50% - 22px);
    cursor: pointer;
    display: inline-block;
    width: 44px;
    height: 44px;
    border-radius: 100px;
    font-size: 18px;
    line-height: 44px;
    background: #FFF;
    z-index: 10;
    background-repeat: no-repeat;
}

.review .prev-icon {
    left: 40px;
    background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/prev-icon.png);
    background-position: 17px center;
    background-size: 18%;
}

.review .next-icon {
    right: 40px;
    background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/next-icon.png);
    background-position: 19px center;
    background-size: 18%;
}

.review-item {
    cursor: pointer;
    overflow: hidden;
}

.review-item img {
    width: 100%;
    height: 100%;
}

body:not(.Mobile) .review-item img {
    transition: transform .3s;
    width: 100%;
    height: 100%;
}

body:not(.Mobile) .review-item:hover img {
    transform: scale(1.1);
    transition: transform .3s;
}

.golden-list {
    position: relative;
    padding-top: 28.125%;
    overflow: hidden;
}

.golden-item {
    position: absolute;
    top: 0;
    width: 49.25%;
    opacity: 0;
    font-size: 0;
    transition: opacity 1s;
}

.golden-item img {
    width: 100%;
}

.golden-item.active {
    opacity: 1;
}

.golden-point-list {
    position: absolute;
    left: 50%;
    margin-top: 32px;
    transform: translateX(-50%);
}

.golden-point-list .golden-point {
    float: left;
    width: 8px;
    height: 8px;
    margin: 0 5px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .2);

}

.golden-point-list .golden-point.active {
    background: #c7000b;
}

/* 鍚堜綔浼欎即 */

.hdc-section.partner {
    padding-top: 90px;
    padding-bottom: 46px;
}

.hdc-section.partner .section-content,
.hdc-section.media .section-content {
    display: block;
    font-size: 0;
    overflow: hidden;
}

.hdc-section.partner .partner-logo,
.hdc-section.media .media-logo {
    display: inline-block;
    margin-bottom: 20px;
    width: calc(100% / 5);
}

.hdc-section.partner .partner-logo img,
.hdc-section.media .media-logo img {
    width: 100%;
}

.hdc-section.partner .section-foot,
.hdc-section.media .section-foot {
    text-align: center;
}

.hdc-section.partner .section-foot .more,
.hdc-section.media .section-foot .more {
    height: 100%;
    color: #252b3a;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

body:not(.Mobile) .hdc-section.partner .section-foot .more:hover,
body:not(.Mobile) .hdc-section.media .section-foot .more:hover {
    border-color: #c7000b;
    color: #c7000b;
}


/* 鍚堜綔濯掍綋 */

.hdc-section.media {
    padding-top: 20px;
    padding-bottom: 46px;
}

.hdc-section.media .section-head-title {
    margin-bottom: 20px;
}

.hdc-section.media .notes {
    font-size: 14px;
    line-height: 24px;
    margin-bottom: 20px;
}

.bg-wrap {
    width: 100%;
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/xiaochengxu-bg.jpg) no-repeat center;
    background-size: cover;
    padding-top: 13%;
}

.page-footer {
    padding: 55px 0;
    background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/footer-bg.png) no-repeat center;
    background-size: cover
}

.page-footer .footer-content {
    display: flex;
    max-width: 1280px;
    margin: 0 auto;
    justify-content: center;
}

.page-footer .footer-content .text {
    font-size: 22px;
    line-height: 40px;
    color: #000
}

.page-footer .footer-content .join-button {
    border: 1px solid #252b3a;
    border-radius: 3px;
    padding: 10px 48px;
    font-size: 12px;
    font-weight: 600;
    line-height: 18px;
    cursor: pointer
}

/* sponsor-swiper */
.sponsor-swiper {
    position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    overflow: hidden;
    display: none;
}

.sponsor-swiper.show {
    display: block;
}

.sponsor-swiper .sponsor-closebutton {
    z-index: 10;
    position: absolute;
    top: 30px;
    right: 30px;
    display: block;
    width: 44px;
    height: 44px;
    border-radius: 100%;
    background: #fff;
    color: #000;
    font-size: 26px;
    cursor: pointer;
}

.sponsor-swiper .sponsor-closebutton span {
    display: block;
    width: 34px;
    height: 34px;
    position: absolute;
    top: 50%;
    left: 50%;
    background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/close.png);
    background-repeat: no-repeat;
    background-position: center;
    -ms-transform: translate(-50%, -50%) scale(0.7);
    transform: translate(-50%, -50%) scale(0.7);
    transition: transform .6s cubic-bezier(0, .585, .295, .985) 0ms;
}

.sponsor-swiper .sponsor-closebutton:hover span,
.sponsor-swiper .sponsor-closebutton.animate2 span {
    -ms-transform: translate(-50%, -50%) scale(1) rotate(-90deg);
    transform: translate(-50%, -50%) scale(1) rotate(-90deg);
}

.sponsor-swiper .sponsor-content {
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 0;
    right: 0;
    max-width: 1300px;
    width: calc(100% - 10px);
    margin: 0 auto;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    transition: all 0.8s cubic-bezier(0.38, 0.07, 0.27, 0.99);
}

.sponsor-swiper .img-list.animate {
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.38, 0.07, 0.27, 0.99);
    transform: scale(1.3);
}

.sponsor-swiper .sponsor-overlay.animate {
    opacity: 0;
}

.sponsor-swiper .sponsor-overlay {
    position: absolute;
    z-index: 0;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: #000;
    transition: all 0.5s cubic-bezier(0.38, 0.07, 0.27, 0.99);
    opacity: 0.87;
}

.sponsor-swiper ul {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    height: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    overflow: hidden;
}

.sponsor-swiper .num-page {
    position: absolute;
    top: -50px;
    font-size: 16px;
    color: #fff;
    z-index: 4;
}

.sponsor-swiper .num-page .cur-page {
    font-weight: bold;
    font-size: 28px;
}


.sponsor-swiper .img-item,
.sponsor-swiper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    will-change: transform;

}

.sponsor-swiper .img-item.init {
    transform: translateX(-100%);
    transition: transform 0.7s cubic-bezier(.835, .015, .245, .995);
}

.sponsor-swiper .img-item.init.animate .img {
    transform: translateX(-100%) scale(1.2);
    transition: transform 1s cubic-bezier(.835, .015, .245, .995);
}

.sponsor-swiper .img-item.active {
    transform: translateX(0);
    z-index: 3;
}

.sponsor-swiper .img-item.next {
    transform: translateX(-100%);
    z-index: 3;
}

.sponsor-swiper .img-item.prev {
    transform: translateX(100%);
    z-index: 3;
}

.sponsor-swiper .img-item.active.animate {
    transform: translateX(0%);
    z-index: 5;
    transition: transform 0.7s cubic-bezier(.835, .015, .245, .995);
}

.sponsor-swiper .img-item .img {
    transform: scale(1.2);
    transition: transform 1s cubic-bezier(.835, .015, .245, .995);
}

.sponsor-swiper .img-item .animate.img {
    transform: scale(1);
}

.sponsor-swiper .img-item {
    overflow: hidden;
}

.sponsor-swiper .sponsor-links .link {
    position: absolute;
    top: calc(50% - 22px);
    cursor: pointer;
    display: inline-block;
    width: 44px;
    height: 44px;
    border-radius: 100px;
    font-size: 18px;
    line-height: 44px;
    background: #FFF;
    z-index: 10;
    background-repeat: no-repeat;
}

.sponsor-swiper .sponsor-links .link-prev {
    left: 40px;
    background-image: url(../images/prev-icon.png);
    background-position: 17px center;
    background-size: 18%;
}

.sponsor-swiper .sponsor-links .link-next {
    right: 40px;
    background-image: url(../images/next-icon.png);
    background-position: 19px center;
    background-size: 18%;
}

.sponsor-swiper .video-button {
    z-index: 10;
    position: absolute;
    width: 80px;
    height: 80px;
    top: calc(50% - 40px);
    left: calc(50% - 40px);
    cursor: pointer;
    background-image: url(../images/play-icon-2.png);
    background-repeat: no-repeat;
}

.sponsor-swiper .img-item .mask {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.00) 50%, rgba(0, 0, 0, 0.80));
    z-index: 1;
}

.sponsor-swiper .img-item .info {
    position: absolute;
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    box-sizing: border-box;
    font-size: 20px;
    line-height: 26px;
    padding-left: 56px;
    padding-right: 56px;
    bottom: 32px;
    color: #FFF;
    z-index: 2;
}

.sponsor-swiper .video-button.animate:hover {
    opacity: 0.8;
}

.sponsor-swiper .video-button,
.sponsor-swiper .sponsor-links .link,
.sponsor-swiper .sponsor-closebutton {
    transform: scale(1.2);
    opacity: 0;
    transition: all 0.5s cubic-bezier(.92, .01, .105, .99);
}

.sponsor-swiper .video-button.animate,
.sponsor-swiper .sponsor-links .link.animate,
.sponsor-swiper .sponsor-closebutton.animate {
    transform: scale(1);
    opacity: 1;
}

.sponsor-swiper .sponsor-links .link.animate2 {
    transform: scale(0.5);
    opacity: 0;
}

.sponsor-swiper .sponsor-closebutton.animate2 {
    transform: scale(1.3);
    opacity: 0.5;
}

.mb {
    display: none
}

.hdc-modal {
    position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    overflow: hidden;
    background: rgba(0, 0, 0, .65);
    display: none
}

.hdc-modal.show {
    display: block
}

.hdc-modal-main {
    position: absolute;
    width: 600px;
    border-radius: 3px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    box-shadow: 0 10px 20px 0 rgba(0, 0, 0, .1);
    border-radius: 3px
}

.hdc-modal-header {
    position: relative;
    height: 117px;
    line-height: 117px;
    background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/join-head.png);
    background-repeat: no-repeat;
    background-size: cover;
    text-align: center
}

.hdc-modal-content {
    padding: 32px 77px 60px
}

.hdc-modal-content .info {
    font-size: 14px;
    line-height: 22px;
    text-align: center;
    color: #575d6c
}

.hdc-modal-content .tip-text {
    margin-top: 32px;
    font-size: 12px;
    line-height: 18px;
    color: #575d6c;
    margin-bottom: 40px
}

.hdc-modal-logo {
    vertical-align: middle
}

.hdc-modal-code {
    position: absolute;
    right: -105px;
    top: 0;
    line-height: 1;
    background-color: rgba(255, 255, 255, .9)
}

.hdc-modal-code .text {
    font-size: 12px;
    line-height: 18px;
    padding: 2px
}

.hdc-modal-form {
    padding: 0 40px
}

.hdc-modal-form .input-box {
    position: relative;
    border-bottom: 1px solid#b2b8c5
}

.hdc-modal-form .input-box::before {
    content: '*';
    color: #c7000b;
    font-size: 14px;
    position: absolute;
    left: 0;
    top: 3px
}

.hdc-modal-form .input-box+.input-box {
    margin-top: 30px
}

.hdc-modal-form .input-box input {
    width: 100%;
    border: none;
    outline: 0;
    padding-left: 10px;
    padding-right: 10px;
    font-size: 14px;
    background-color: transparent;
    margin-bottom: 10px
}

.hdc-button {
    display: inline-block;
    min-width: 148px;
    padding: 8px 25px;
    font-size: 14px;
    line-height: 22px;
    text-align: center;
    background-color: #c7000b;
    color: #fff;
    border-radius: 2px;
    box-sizing: border-box;
    cursor: pointer
}

.hdc-modal .hdc-button {
    width: 100%;
    margin-top: 35px
}

.float-sidebar.last {
    display: none
}

/* 分割 */
/* 分割 */


@media (min-width: 768px) {
    .hdc-section-outer.outer-bg-1 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/outer-bg-1.jpg) no-repeat
    }

    .hdc-section-outer.outer-bg-2 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/outer-bg-2.jpg) no-repeat
    }

    .hdc-section.activity .left-content .activity-card {
        width: 405px;
        height: 256px
    }

    .hdc-section.activity .left-content .activity-card+.activity-card,
    .hdc-section.activity .right-content .activity-card+.activity-card {
        margin-top: 32px
    }

    .hdc-section.activity .left-content .activity-card .content {
        position: relative;
        padding: 32px;
        padding-right: 0;
        height: 100%;
        z-index: 3
    }

    .hdc-section.activity .left-content .more {
        bottom: 0
    }

    .hdc-section.activity .right-content {
        display: inline-block;
        margin-right: 32px;
        width: calc(100% - 756px);
        font-size: 0;
    }

    .hdc-section.activity .right-content .activity-card {
        display: inline-block;
        width: 100%;
        height: 256px;
        overflow: hidden;
    }

    .hdc-section.activity .right-content .activity-card .content {
        position: relative;
        padding: 32px;
        padding-right: 0;
        z-index: 2;
        height: 100%
    }

    .hdc-section.address {
        padding-top: 54px;
        padding-bottom: 32px
    }
}

@media (min-width: 1440px) and (max-width:1680px) {
    .react.sectionActivity {
        left: 34%
    }

    .react.sectionSite {
        width: 180px;
        height: 190px;
        left: 13%;
        top: 65%
    }

    .react.sectionGuest {
        left: 30%;
        top: 9%
    }

    .react.sectionCodelabs {
        top: 9%
    }

    .react.sectionAgenda {
        left: 50%;
        top: 54%
    }

    .react.introduction {
        left: 68%;
        top: 13%
    }
}

@media (min-width: 1440px) and (max-width:1599px) {
    .hdc-nav .nav-list:not(:last-of-type) {
        margin-right: 38px
    }
}

@media (min-width: 1180px) and (max-width:1660px) {
    .banner-body .banner-video {
        object-fit: cover;
    }
}

@media (width: 1366px) {
    .banner-body {
        height: auto;
    }

    .banner-body .banner-video {
        width: 100%;
        height: auto !important;
    }

    .banner-foot {
        bottom: 35px;
    }
}

@media (min-width: 1280px) and (max-width:1439px) {

    .agenda-list-item .item-right .item-detail {
        min-height: 60px;
    }


    .react.sectionSite {
        width: 121px;
        height: 140px;
        left: 5%;
        top: 69%
    }

    .react.sectionActivity {
        width: 120px;
        height: 170px;
        left: 30%;
        top: 46%
    }

    .react.sectionGuest {
        width: 116px;
        height: 100px;
        left: 24%;
        top: 19%
    }

    .react.sectionCodelabs {
        width: 185px;
        height: 300px;
        left: 44%;
        top: 16%
    }

    .react.introduction {
        left: 68%;
        top: 23%;
        height: 140px;
        width: 150px
    }

    .react.sectionAgenda {
        left: 48%;
        top: 60%;
        width: 130px
    }

    .pageSection {
        left: 20px;
    }

    .hdc-section {
        padding: 80px 0
    }

    .hdc-section.introduction {
        padding-top: 36px;
        padding-bottom: 100px;
    }

    .hdc-section.introduction .section-content-right .main-img {
        transform: scale(1.3);
    }

    .hdc-section.guest .main-img {
        transform: scale(1.15);
    }

    .hdc-section.agenda {
        padding-top: 0px;
        padding-bottom: 65px;
    }

    .hdc-section.agenda .section-content-left {
        margin-top: 26px;
    }

    .hdc-section.agenda .left-body-detail .detail-text {
        margin-top: 22px;
    }

    .hdc-section.agenda .section-content-left .content-left-foot {
        margin-top: 22px;
    }

    .agenda-list,
    .hdc-section-wrap,
    .page-footer .footer-content {
        max-width: 1200px
    }

    .agenda-list {
        margin-top: 40px;
    }

    .section-content-left {
        width: 602px
    }

    .hdc-section.introduction .left-body-title {
        margin-bottom: 22px
    }

    .hdc-section.speaks .section-content-right {
        width: 602px
    }

    .hdc-section.agenda .section-content-right,
    .hdc-section.guest .section-content-right,
    .hdc-section.introduction .section-content-right {
        width: calc(100% - 642px);
        position: relative;
        margin-right: 40px
    }

    .hdc-section.speaks .section-content {
        height: 350px
    }


    .count .current {
        line-height: 22px;
    }

    .guest-list .guest-item {
        padding-bottom: 198px;
        padding-right: 12px
    }

    /* .hdc-section.guest .guest-button {
        bottom: 170px
    }

    
    .hdc-section.guest .guest-button.guest-button-prev {
        left: 0
    }

    .hdc-section.guest .guest-button.guest-button-next {
        right: 0
    } */

    .agenda-list-item .item-left {
        width: calc(100% - 254px)
    }

    .agenda-list-item .item-right {
        width: 230px
    }

    .hdc-section.activity {
        padding-top: 30px;
        padding-bottom: 65px;
    }

    .hdc-section.activity .right-content .activity-card .activity-title {
        padding-right: 80px;
    }

    .hdc-section.activity .right-content .activity-card .activity-detail {
        padding-right: 190px;
    }

    .hdc-section.codelabs {
        padding-bottom: 84px;
    }

    .hdc-section-bg.codelabs {
        left: 47%;
    }

    .hdc-section.site {
        padding-bottom: 50px;
    }

    .hdc-section.site .section-content-left {
        margin-top: 32px;
    }

    .site-list {
        margin-top: 46px;
        margin-bottom: 0;
    }

    .hdc-section-outer {
        padding-top: 70px;
    }

    .address-img {
        width: 50%
    }

    .address-msg {
        width: 50%;
        padding: 40px 54px 38px
    }

    .page-footer {
        padding: 40px 0
    }
}

@media(min-width: 1180px) and (max-width:1279px) {

    .hdc-nav .nav-list:not(:last-of-type) {
        margin-right: 20px
    }

    .address-btn a {
        padding: 10px 48px;
    }

    .hdc-section.activity .right-content {
        width: 40%
    }

}

@media (min-width: 768px) and (max-width:1279px) {

    .init-wrap .init-text {
        width: 420px;
    }

    .pageSection {
        left: 12px;
    }

    .agenda-list,
    .hdc-section-wrap,
    .page-footer .footer-content {
        margin: 0 5%
    }

    .hdc-section.speaks .section-content-left,
    .hdc-section.speaks .section-content-right,
    .section-content-left {
        width: calc(50% - 20px)
    }

    .hdc-section.agenda .section-content-right,
    .hdc-section.guest .section-content-right,
    .hdc-section.introduction .section-content-right {
        width: 50%;
        margin-right: 20px
    }

    .hdc-section.site .section-content-left {
        width: 45%
    }

    .hdc-section.site .section-content-right {
        width: 50%
    }

    .speaks-text::after,
    .speaks-text::before {
        display: none
    }

    .hdc-section.speaks .section-content {
        padding-left: 34px;
        height: auto
    }

    .hdc-section.guest .section-content {
        height: auto
    }

    .guest-list .guest-item {
        padding: 20px 10px 0 20px
    }

    .hdc-section.agenda .left-body-detail .detail-text {
        margin-top: 16px
    }

    .agenda-list {
        margin-top: 20px
    }

    .agenda-list-item {
        width: calc((100% - 18px)/ 3);
    }

    .agenda-list-item .item-left {
        width: 48px
    }

    .agenda-list-item .item-right {
        width: calc(100% - 66px);
    }

    .agenda-list-item .item-right .item-detail {
        min-height: auto;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2
    }

    .hdc-section.activity .center-content {
        margin-right: 9px;
    }

    .hdc-section.activity .right-content {
        width: calc(100% - 650px);
        margin-right: 9px;
    }

    .hdc-section.activity .left-content .activity-card {
        width: 354px;
    }

    .hdc-section.activity .right-content .activity-card .activity-title {
        padding-right: 68px;
    }

    .hdc-section.activity .right-content .activity-card .activity-detail {
        padding-right: 199px;
    }

    .hdc-section.activity .left-content .activity-card .activity-title,
    .hdc-section.activity .left-content .activity-card .activity-detail {
        padding-right: 125px;
    }

    .hdc-section.codelabs .section-content-left:first-of-type {
        width: 50%;
        margin-right: 150px
    }

    .address-img {
        width: 68%
    }

    .address-msg {
        padding: 28px 24px 18px;
        width: 50%
    }

    .msg-list:not(:last-of-type) {
        margin-bottom: 20px
    }

    .address-btn-wrap {
        margin-top: 12px
    }

    .page-footer {
        padding: 30px 0
    }

    .page-footer .footer-content .text {
        font-size: 24px;
        line-height: 34px
    }

    .page-footer .footer-content .join-button a {
        padding: 7px 38px
    }
}

@media(min-width: 768px) and (max-width:1179px) {


    .hdc-section {
        padding: 40px 0
    }

    .hdc-section.agenda .section-content-right,
    .hdc-section.guest .section-content-right,
    .hdc-section.introduction .section-content-right,
    .hdc-section.site .section-content-right {
        display: none
    }

    .hdc-section.speaks .section-content-left {
        width: 40%
    }

    .hdc-section.speaks .section-content-right {
        width: 55%;
        top: 43%;
        transform: translateY(-50%)
    }

    .hdc-section.speaks .section-content-right .play-icon {
        width: 48px;
    }

    .hdc-section.agenda .section-content-left,
    .hdc-section.guest .section-content-left,
    .hdc-section.introduction .section-content-left,
    .hdc-section.site .section-content-left {
        width: 100%
    }

    /* 头部 */
    .banner-body {
        height: auto;
    }

    .banner-body .banner-video {
        width: 100%;
        height: auto !important;
    }

    .banner-foot {
        font-size: 14px;
        bottom: 35px;
        padding: 0 20px;
    }

    .video-wrap .video-box {
        width: 80%;
    }

    .close {
        right: -38px;
        top: -44px;
        width: 36px;
        height: 36px;
    }



    /* 早鸟票 */
    .ticket-fixed .icon-box {
        width: 60px;
        height: 60px;
        line-height: 60px;
    }

    .ticket-fixed .icon-box img.pc {
        width: 38px;
    }

    .ticket-fixed .ticket-text {
        width: 60px;
        font-size: 14px;
        line-height: 20px;
        padding: 12px 20px;
    }

    .golden-point-list {
        margin-top: 28px;
    }

    /* 开发者社区 */

    .activity-head {
        display: inline-block;
    }

    .hdc-section.activity .right-content,
    .hdc-section.activity .left-content {
        width: calc((100% - 16px)/2)
    }

    .hdc-section.activity .right-content {
        margin-right: 16px;
    }

    .hdc-section.activity {
        padding-top: 18px;
    }

    .hdc-section.activity .left-content .activity-card {
        width: 100%
    }

    .hdc-section.activity .left-content .activity-card,
    .hdc-section.activity .right-content .activity-card {
        height: 231px;
    }

    .hdc-section.activity .left-content .activity-card+.activity-card,
    .hdc-section.activity .right-content .activity-card+.activity-card {
        margin-top: 14px;
    }

    .hdc-section.activity .center-content .more {
        position: absolute;
        bottom: -70px;
        left: 50%;
        transform: translateX(-50%)
    }

    .more img {
        margin-left: 14px;
    }



    /* 动手实验 */
    .hdc-section.codelabs {
        padding: 70px 0;
    }

    /*  */

    .hdc-section.site .section-content {
        height: auto;
    }

    .agenda-list-item {
        width: calc((100% - 16px)/2);
    }

    .agenda-list-item .item-left {
        width: 48px;
    }

    .agenda-list-item .item-right {
        width: calc(100% - 66px);
    }

    .hdc-section.activity .center-content {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        height: 100%;
    }

    .hdc-section.activity .center-content .img-wrap,
    .hdc-section.activity .center-content .center-detail {
        display: none;
    }

    .hdc-section-bg.codelabs {
        display: none;
    }

    .hdc-section.codelabs .section-body {
        padding-top: 0;
    }

    .guest-list .guest-item {
        height: 290px;
    }

    .hdc-section.codelabs .section-content-left:first-of-type {
        margin-right: 0;
    }

    .hdc-section.codelabs .section-content-left {
        width: 50%;
    }

    .address-btn a {
        padding: 7px 20px;
        font-size: 14px;
        line-height: 20px
    }

    .site-list .site-card {
        width: calc((100% - 32px)/ 3)
    }

    .site-card:last-of-type {
        display: none
    }

    .hdc-section.speaks {
        background-position: 74%;
    }

    /* 温馨提示 */
    .hdc-section.notice {
        padding-bottom: 30px;
    }

    .hdc-section.notice .section-content-left {
        width: calc(100% - 358px);
        margin-right: 18px;
    }

    .hdc-section.notice .section-content-left .content-left-body {
        font-size: 14px;
        line-height: 24px;
    }

    .hdc-section.notice .section-content-right {
        padding-top: 50px;
        width: 340px;
    }
}

@media (width: 768px) {

    /* 头部 */
    .react-wrap,
    .pageSection {
        display: none
    }


    .section-content-left .content-left-head {
        margin-bottom: 32px;
        font-size: 24px;
        line-height: 28px;
    }

    .section-content-left .content-left-head::before,
    .section-head-title:before {
        bottom: -12px;
    }

    .section-content-left .content-left-body {
        font-size: 14px;
        line-height: 28px;
    }

    .hdc-section-outer {
        padding-top: 55px;
        padding-bottom: 90px;
    }


    .hdc-section.introduction {
        padding-top: 45px;
        padding-bottom: 65px;
    }

    .introduction-item {
        font-size: 14px;
    }


    /* 讲话 */
    .hdc-section.speaks .section-content-left {
        width: 52%;
    }

    .hdc-section.speaks .section-content-right .play-icon {
        width: 60px;
    }

    .speaks-text {
        width: auto;
    }

    /* 重磅嘉宾 */
    .hdc-section.guest {
        padding-bottom: 50px;
    }

    .hdc-section.guest .left-body-title {
        min-height: auto;
    }

    .count .current {
        line-height: 32px;
    }

    .hdc-section.guest .guest-btn-wrap {
        margin-bottom: 8px;
    }

    .item-content .content-detail {
        font-size: 12px;
    }

    .guest-list .guest-item {
        min-height: auto;
        height: 268px;
    }


    .review .swiper-slide {
        width: 520px;
    }

    /* 寮€鍙戣€呯ぞ鍖� */

    .activity-head {
        margin-bottom: 32px;
        font-size: 24px;
        line-height: 28px;
    }

    .hdc-section.activity .activity-detail {
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical
    }



    .hdc-section.codelabs .section-content-left:last-of-type {
        padding-left: 16px;
    }

    /* 分会场 */
    .site-list {
        margin-top: 40px;
        margin-bottom: 0;
    }

    .site-card .site-body .site-detail-text img {
        margin-right: 7px;
    }

    .site-card .site-body {
        padding: 24px 18px;
    }

    /* 地址 */
    .section-head-title {
        font-size: 24px;
        line-height: 28px;
        margin-bottom: 32px;
    }

    .hdc-section.address {
        padding-top: 40px;
    }

    .address-msg {
        padding: 18px 22px 18px 26px;
    }

    .msg-title {
        margin-right: 18px;
        width: 20px;
    }

    .msg-list:not(:last-of-type) {
        margin-bottom: 18px;
    }

    .address-btn-wrap {
        margin-top: 26px;
    }

    .msg-title.clock img.pc {
        width: 18px;
        vertical-align: text-top;
    }

    .msg-title.map img.pc {
        width: 16px;
        vertical-align: text-top;
    }

    .msg-title.location img.pc {
        width: 20px;
        vertical-align: revert;
    }

    /* 求助 */
    .hdc-section.consult {
        padding-top: 70px;
        padding-bottom: 72px;
    }

    .consult-item {
        width: 32%;
    }

    .consult-item:nth-of-type(2) {
        padding-left: 40px;
    }

    .consult-item:nth-of-type(3) {
        padding-left: 32px;
    }

    .consult-list .consult-item .consult-title {
        font-size: 18px;
    }

    .hdc-section-outer.outer-bg-2 {
        padding-top: 82px;
    }

    /* 合作伙伴 */
    .hdc-section.partner {
        padding-top: 68px;
        padding-bottom: 7px;
    }

    /* 合作媒体 */
    .hdc-section.media {
        padding-top: 68px;
        padding-bottom: 7px;
    }

    /*  */


    .hdc-section.codelabs .section-content-left:first-of-type {
        margin-right: 0;
    }

    .hdc-section.codelabs .section-content-left {
        width: 50%;
    }

    .banner-foot {
        padding: 26px 40px 20px;
    }
}

@media (max-width: 767px) {
    .mb {
        display: block;
    }

    .pc {
        display: none !important
    }

    .init-wrap .init-text {

        left: 51%;
        top: 110px;
        width: 296px;
        transform: translateX(-50%);
    }

    .init-wrap .init-img {
        left: 50%;
        top: 270px;
        width: 302px;
        transform: translateX(-50%);
    }

    .hdc-modal-main {
        width: 275px;
    }

    .hdc-modal-content {
        padding: 32px 30px;
    }

    .hdc-modal-form {
        padding: 0;
    }

    .hdc-modal-content .tip-text {
        margin-top: 0;
        margin-bottom: 32px;
    }

    .hdc-modal-form .input-box input {
        margin-bottom: 8px;
    }

    .hdc-modal-header {
        height: 60px;
        line-height: 60px;
        background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/join-head.jpg);
        background-size: contain;
    }

    /* .hdc-modal-logo {
        display: inline-block;
    } */

    .hdc-modal-form .input-box+.input-box {
        margin-top: 20px;
    }

    .hdc-modal-form .input-box input {
        font-size: 12px;
        line-height: 18px;
    }

    .hdc-modal .hdc-button {
        display: block;
        width: 120px;
        padding: 6px 36px;
        margin: 0 auto;
        margin-top: 32px;
    }

    .close {
        right: 0;
        top: -42px;
        width: 28px;
        height: 28px;
        background-size: 100%;
    }

    .ticket-fixed .icon-box img {
        width: 31px;
    }

    .mobile-menu-open {
        overflow: hidden
    }



    .head-menu-mb {
        width: 20px;
        height: 20px;
        position: relative;
        float: left
    }


    .sub-menu-wrap {
        display: none;
        position: fixed;
        left: 0;
        right: 0;
        top: 48px;
        background-color: red;
        height: 100%;
        border-top: 1px solid #dfe1e6
    }

    .sub-menu-wrap.show {
        display: block
    }

    .sub-body {
        display: flex;
        height: 100%;
        background: #fff
    }

    .sub-menu-wrap .left-item-wrap {
        width: 140px;
        height: 100%;
        background: #f5f5f5
    }

    .sub-menu-wrap .left-item-wrap .left-item {
        padding: 12px 15px;
        font-size: 14px;
        line-height: 22px;
        text-align: center
    }

    .sub-menu-wrap .left-item-wrap .left-item.active {
        font-size: 14px;
        font-weight: 600;
        background: #fff
    }

    .right-item-wrap {
        padding: 20px 15px 16px 20px;
        background-color: #fff;
        width: calc(100% - 140px)
    }

    .sub-menu-wrap .right-item {
        display: none
    }

    .sub-menu-wrap .right-item.active {
        display: block
    }

    .right-item-wrap .menu-item {
        font-size: 14px;
        line-height: 22px;
        color: #252b3a;
        padding: 0 0 24px
    }

    .right-item-wrap .menu-item a {
        font-size: 14px;
        line-height: 22px
    }

    .hdc-logo-mb {
        width: auto;
        height: 119px;
        margin: 50px 46px 30px 46px;
        background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/hdc_cloud.png);
        background-repeat: no-repeat;
        background-position: center;
        background-size: contain
    }

    .ticket-fixed {
        box-shadow: none;
        top: 84%;
        right: 20px
    }

    .ticket-fixed .icon-box {
        border-radius: 50%;
        width: 48px;
        height: 48px;
        padding-top: 13px;
        padding-left: 9px
    }

    .ticket-fixed .ticket-text {
        display: none
    }

    .swiper-slide-active {
        z-index: 5;
        box-shadow: 0 4px 12px 0 rgba(0, 0, 0, .1);
        transition: transform .3s
    }

    .swiper-slide-next,
    .swiper-slide-prev {
        transform: scale(.9);
        transition: transform .3s
    }

    .hdc-section {
        padding: 90px 0 40px
    }

    .hdc-section-wrap {
        margin: 0 19px
    }

    .section-content-left {
        width: 100%
    }

    .section-content-left .content-left-head {
        margin-top: 36px;
        font-size: 16px;
        line-height: 20px
    }

    .section-content-left .content-left-head::before {
        display: none
    }

    .section-content-left .content-left-body {
        font-size: 12px;
        line-height: 18px;
        text-align: justify
    }

    .hdc-section.introduction .left-body-title {
        margin-bottom: 22px
    }

    .content-head-mb {
        position: relative;
        display: inline-block;
        margin-bottom: 34px;
        font-size: 20px;
        font-weight: 600;
        line-height: 26px
    }

    .section-content-left .content-left-head {
        display: block;
        margin-top: 0;
    }

    .content-head-mb::before {
        content: '';
        position: absolute;
        display: inline-block;
        bottom: -10px;
        width: 100%;
        height: 4px;
        background-color: #c7000b;
    }

    .hdc-section.activity .left-content,
    .hdc-section.activity .right-content,
    .hdc-section.activity .section-body {
        display: block;
        width: 100%
    }

    .activity-card {
        padding: 15px;
        height: 172px;
        margin-bottom: 16px
    }

    /* .activity-card.img-1 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-1.jpg) #fff no-repeat right bottom
    }

    .activity-card.img-2 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-2.jpg) #fff no-repeat right bottom
    }

    .activity-card.img-3 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-3.jpg) #fff no-repeat right bottom
    }

    .activity-card.img-4 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-4.jpg) #fff no-repeat right bottom
    }

    .activity-card.img-5 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-5.jpg) #fff no-repeat right bottom
    } */

    .activity-title {
        font-size: 16px;
        line-height: 20px;
        font-weight: 700
    }

    .activity-detail {
        font-size: 12px;
        line-height: 18px
    }

    .activity-card .more,
    .hdc-section.activity .right-content .more {
        left: 15px;
        bottom: 15px
    }

    .site-list .site-card {
        width: 100%
    }

    .site-list .site-card .site-head {
        background-size: 100% 100% !important
    }

    .mobile-menu-open {
        overflow: hidden
    }

    .content.hdc-content {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/m_bg.jpg) no-repeat !important
    }

    .video-wrap .video-box {
        width: 88%
    }

    .video-wrap .enter-btn {
        padding: 10px 20px
    }

    .hdc-bg-mb {
        position: relative;
        width: 100%;
        overflow: hidden;
        height: 810px;
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/banner-mb.jpg) no-repeat;
        background-size: cover;
        background-position: center top
    }

    .hdc-bg-mb img {
        position: absolute;
        width: calc(100% - 116px);
        z-index: 10;
        top: 45px;
        left: 58px;
        right: 58px
    }

    .hdc-bg-mb video {
        width: 100%;
        position: absolute;
        top: -160px
    }

    .hdc-banner-wrap .banner-body {
        height: 448px
    }

    .hdc-banner-wrap .banner-body video {
        height: 448px
    }

    .banner-foot {
        display: none
    }

    .introduction-list {
        margin-top: 20px
    }

    .introduction-item {
        align-items: normal
    }

    .introduction-item:not(:last-of-type) {
        margin-bottom: 10px
    }

    .introduction-item .introduction-text {
        margin-left: 10px
    }

    .hdc-section.speaks {
        padding-top: 48px;
        height: 512px;
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/speak-bg.png) no-repeat bottom;
        background-size: cover;
    }

    .hdc-section.speaks .section-content-right {
        position: relative;
        width: 100%;
        height: 45px;
        margin-top: 48px;
    }

    .hdc-section.speaks .section-content-right .play-icon {
        width: 45px;
        top: 50%;
    }

    .speaker span {
        display: none;
    }

    .speaker .text {
        font-size: 12px;
        line-height: 20px;
    }

    .speaks-text {
        width: 100%;
        text-align: center;
        font-size: 14px;
        line-height: 26px;
        letter-spacing: 0;
    }

    .speaks-text p {
        margin-top: 8px;
    }

    .speaks-text::after,
    .speaks-text::before {
        background-size: 60%;
    }

    .speaks-text::before {
        left: 40px;
    }

    .speaks-text::after {
        right: -20px;
    }

    .speaks-text span {
        display: inline-block;
        margin-top: 16px;
        font-size: 20px;
        font-weight: 600;
        line-height: 30px;
    }

    .speaker {
        text-align: center;
        margin-top: 8px;
        font-size: 14px;
        line-height: 20px;
    }

    .speaker .name {
        font-size: 14px;
        line-height: 20px;
    }

    .hdc-section.speaks .section-content-left {
        width: 100%;
    }

    .hdc-section.speaks .section-content-right img:first-child {
        width: 100%
    }

    .hdc-section.speaks .section-content {
        height: auto;
        flex-wrap: wrap;
    }

    .hdc-section.guest .common-content-mb {
        padding: 0 17px
    }

    .hdc-section.agenda .left-body-detail .detail-text {
        margin-top: 0;
        font-size: 14px;
        line-height: 20px
    }

    .hdc-section.agenda .left-body-title.mb {
        line-height: 22px;
    }

    .hdc-section.agenda .left-body-detail .detail-text:first-of-type {
        margin: 16px 0 12px
    }

    .hdc-section.agenda .left-body-detail .detail-text img {
        margin-right: 11px;
        vertical-align: middle
    }

    .hdc-section.agenda .left-body-detail .detail-text .mb {
        display: inline-block
    }

    .hdc-section.agenda .hdc-section-wrap:first-of-type {
        padding: 0 17px
    }

    .more-mb {
        display: inline-block;
        opacity: 1;
        border: 1px solid #252b3a;
        border-radius: 3px;
        margin-top: 24px
    }

    .more-mb a {
        display: inline-block;
        padding: 6px 36px;
        font-size: 12px;
        line-height: 18px
    }

    .hdc-section.partner .section-foot .more,
    .hdc-section.media .section-foot .more {
        height: 30px;
        font-size: 12px;
        line-height: 30px
    }



    .agenda-list-mb {
        margin-top: 28px;
        padding-top: 30px;
        border-top: 1px solid #dfe1e6
    }

    .hdc-section.agenda .agenda-list-mb .agenda-list-mb-item {
        box-shadow: 0 2px 8px 0 rgba(0, 0, 0, .1);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center
    }

    .hdc-section.agenda .agenda-list-mb .agenda-list-mb-item:nth-of-type(n+6) .item-head img {
        display: none;
    }

    .hdc-section.agenda .agenda-list-mb .agenda-list-mb-item a {
        display: inline-block;
        padding: 32px 108px 32px 17px;
        width: 100%;
        height: 100%;
    }

    .hdc-section.agenda .agenda-list-mb .agenda-list-mb-item:not(:last-of-type) {
        margin-bottom: 16px
    }

    .hdc-section.agenda .agenda-list-mb-item .item-head {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .hdc-section.agenda .agenda-list-mb-item.summit a {
        padding-bottom: 21px;
        padding-top: 21px;
    }

    .hdc-section.agenda .agenda-list-mb-item.summit {
        background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-1.jpg)
    }

    .hdc-section.agenda .agenda-list-mb-item.tech-forum {
        background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-2.jpg)
    }

    .hdc-section.agenda .agenda-list-mb-item.dev-bootcamp {
        background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-3.jpg)
    }

    .hdc-section.agenda .agenda-list-mb-item.meet-greet {
        background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-4.jpg)
    }

    .hdc-section.agenda .agenda-list-mb-item.playing {
        background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-5.jpg)
    }

    .hdc-section.agenda .agenda-list-mb-item.carnival {
        background-image: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-6.jpg)
    }

    .hdc-section.agenda .agenda-list-mb .agenda-list-mb-item .item-head span {
        font-size: 18px;
        font-weight: 600;
        line-height: 26px;
        text-shadow: 0 2px 8px 0 rgba(0, 0, 0, .1)
    }

    .hdc-section.agenda .agenda-list-mb .item-head img {
        margin-right: 48px;
        width: 29px
    }

    .hdc-section.agenda .agenda-list-mb .item-detail {
        margin-top: 8px;
        font-size: 14px;
        line-height: 22px
    }

    .hdc-section.agenda.floor {
        padding-bottom: 34px
    }

    .hdc-section.ad {
        padding-bottom: 34px;
        padding-top: 50px;
    }

    .developer-community-mb.hdc-section .hdc-section-wrap {
        padding: 0 17px
    }

    .common-content-mb .content-head {
        position: relative;
        display: inline-block;
        margin-bottom: 34px;
        font-size: 20px;
        font-weight: 600;
        line-height: 26px
    }

    .common-content-mb .content-head::before {
        content: '';
        position: absolute;
        display: inline-block;
        bottom: -10px;
        width: 100%;
        height: 4px;
        background-color: #c7000b
    }

    .common-content-mb .content-title {
        font-size: 12px;
        color: #252b3a;
        line-height: 22px;
        text-align: justify
    }

    .common-content-mb .content-title .subtitle {
        font-weight: 600;
        margin-bottom: 12px
    }

    .introduction-mb .common-content-mb .content-title .subtitle {
        font-size: 14px;
    }

    .section-head-title {
        display: inline-block;
        margin-bottom: 36px;
        font-size: 20px;
        line-height: 26px
    }

    .hdc-section.address {
        padding-top: 18px;
    }

    .hdc-section.address .hdc-section-wrap {
        padding: 0 16px
    }

    .hdc-section.address .section-content {
        flex-wrap: wrap;
        background: 0 0;
        box-shadow: none
    }

    .address-img {
        width: 100%
    }

    .address-msg {
        padding: 24px 0 0 0;
        font-size: 14px
    }

    .msg-title {
        margin-right: 16px
    }

    .msg-title.clock img.mb {
        width: 13px
    }

    .msg-title.location img.mb,
    .msg-title.map img.mb {
        width: 12px
    }

    .msg-list:not(:last-of-type) {
        margin-bottom: 12px
    }

    .address-btn-wrap {
        margin-top: 32px
    }

    .address-btn:first-child a {
        padding: 5px 36px
    }

    .address-btn a {
        padding: 6px 36px;
        font-size: 12px;
        line-height: 18px
    }

    .hdc-section.consult,
    .hdc-section.partner,
    .hdc-section.media {
        padding-top: 38px;
        padding-bottom: 38px;
    }

    .hdc-section.consult .hdc-section-wrap,
    .hdc-section.partner .hdc-section-wrap,
    .hdc-section.media .hdc-section-wrap {
        padding: 0 17px
    }

    .hdc-section.consult .section-head-title {
        font-size: 20px;
        line-height: 26px;
        margin-bottom: 36px
    }

    .hdc-section.consult .section-content .consult-list {
        flex-wrap: wrap
    }

    .consult-list .consult-item {
        margin-bottom: 18px;
        width: 100%
    }

    .consult-list .consult-item .consult-title {
        font-size: 14px;
        margin-bottom: 0
    }

    .consult-list .consult-item .consult-detail {
        font-size: 14px
    }

    /* 温馨提示 */
    .hdc-section.notice {
        padding-top: 38px;
        padding-bottom: 38px;
    }

    .hdc-section.notice .hdc-section-wrap {
        flex-wrap: wrap;
        padding: 0 13px;
    }

    .hdc-section.notice .section-content-left .content-left-head {
        display: inline-block;
        font-size: 20px;
        line-height: 26px;
    }

    .hdc-section.notice .section-content-left .sub-head {
        font-size: 20px;
        line-height: 26px;
    }

    .hdc-section.notice .section-content-left .content-left-head::before {
        content: "";
        position: absolute;
        display: inline-block;
        bottom: -10px;
        width: 100%;
        height: 4px;
        background-color: #c7000b;
    }

    .hdc-section.notice .section-content-left {
        width: 100%;
        margin-right: 0;
    }

    .hdc-section.notice .section-content-left .content-left-body {
        font-size: 12px;
        line-height: 22px;
    }

    .hdc-section.notice .section-content-left .sub-head {
        font-size: 16px;
        line-height: 20px;
    }

    .hdc-section.notice .section-content-right {
        margin-top: 20px;
        width: 100%;
    }

    .hdc-section.review-mb {
        padding-top: 68px;
    }

    .hdc-section.golden-mb {
        padding-top: 48px;
    }

    .hdc-section.review-mb .hdc-section-wrap .section-head,
    .hdc-section.golden-mb .hdc-section-wrap .section-head {
        padding: 0 18px;
    }


    .hdc-section.review-mb .section-head .content-title,
    .hdc-section.golden-mb .section-head .content-title {
        font-size: 12px;
        color: #252b3a;
        line-height: 22px;
        text-align: justify;
    }

    .hdc-section.golden-mb .section-head .content-title {
        margin-bottom: 24px;
    }

    .hdc-section.review-mb .section-head .more-mb {
        margin-bottom: 38px;
    }

    .golden-mb {
        padding-bottom: 42px;
    }

    .golden-mb .swiper-slide {
        font-size: 0;
    }

    .golden-mb .swiper-slide img {
        width: 100%;
    }


    .d-flex {
        display: flex;
        flex-wrap: wrap;
    }

    .d-flex.justify-content-between {
        justify-content: space-between;
    }

    .review-list .review-mb-item {
        width: 100%;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center top;
    }

    .review-list>li {
        position: relative;
        width: 100% !important;
    }

    .review-list .col-1,
    .review-list .col-2 {
        width: 100%;
    }



    .review-list .col-1 {
        width: 100%;
    }

    .review-list .col-2 {
        width: 48.5%;
    }

    .margin-bottom-10 {
        margin-bottom: 10px;
    }


    .review-list .type-1 {
        padding-top: 61.5% !important;
    }

    .review-list .type-2 {
        padding-top: 35% !important;
    }

    .review-list .col-2 .type-2 {
        padding-top: 72.5% !important;
        margin-bottom: 10px;
    }

    .review-list .type-3 {
        padding-top: 48.5% !important;
    }

    .review-list .col-2 .type-3 {
        padding-top: 115.4% !important;
        margin-bottom: 10px;
    }

    .sponsor-swiper .sponsor-links .link {
        top: calc(100% + 22px);
    }

    .sponsor-swiper .sponsor-links .link-prev {
        left: calc(50% - 66px);
    }

    .sponsor-swiper .sponsor-links .link-next {
        right: calc(50% - 66px);
    }



    /* 鍚堜綔浼欎即 */
    .hdc-section.partner .partner-logo {
        width: calc(100% / 4);
    }

    /* 合作媒体 */
    .hdc-section.media .media-logo {
        width: calc(100% / 4);
    }

    .page-footer {
        padding: 32px 36px;
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/footer-bg.png) no-repeat;
        background-size: cover
    }

    .page-footer .footer-content {
        flex-wrap: wrap;
        min-height: 46px;
        align-items: center;
    }

    .page-footer .footer-content .text {
        width: 100%;
        font-size: 18px;
        line-height: 22px;
        margin-right: 0;
    }

    .page-footer .footer-content .join-button {
        padding: 6px 36px;
        font-size: 12px;
        line-height: 18px
    }

    .hdc-section.lab-mb .hdc-section-wrap {
        padding: 0 17px
    }

    .subvenue-mb.hdc-section .hdc-section-wrap {
        padding: 0 17px
    }

    .subvenue-mb.hdc-section .subtitle {
        font-size: 16px;
        line-height: 20px
    }

    .hdc-section.introduction-mb {
        padding-top: 75px;
        margin-top: 54px;
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L1-bg.png) no-repeat;
        background-size: 50%;
        background-position: top right
    }

    .hdc-section.guest {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L2-bg.png) no-repeat;
        background-size: 46%;
        background-position: 100% 5%;
        padding-top: 86px;
        padding-bottom: 22px;
    }

    .hdc-section.agenda {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L3-bg.png) no-repeat;
        background-size: 50%;
        background-position: 100% 2%;
    }

    .hdc-section.developer-community-mb {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L4-bg.png) no-repeat;
        background-size: 44%;
        background-position: 100% 8%;
        padding-bottom: 24px;
        padding-top: 90px;
    }

    .hdc-section.lab-mb {
        margin-top: 20px;
        padding-top: 60px;
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L5-bg.png) no-repeat;
        background-size: 50%;
        background-position: 100% 0;
    }

    .hdc-section.subvenue-mb {
        padding-top: 65px;
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/L6-bg.png) no-repeat;
        background-size: 50%;
        background-position: top right;
    }

    .hdc-section.introduction-mb .hdc-section-wrap {
        padding: 0 17px
    }

    .hdc-section.introduction-mb .introduction-list {
        margin-top: 20px;
    }

    .hdc-section.introduction-mb .introduction-item {
        font-size: 12px;
        line-height: 18px;
    }

    .hdc-section.introduction-mb .introduction-item:first-of-type {
        margin-bottom: 12px;
    }

    .hdc-section-outer {
        padding: 0
    }

    .mb-swiper-wrap {
        margin-top: 38px;
        padding-bottom: 42px;
    }

    .swiper-list.guest {
        width: 271px;
        box-sizing: border-box;
        padding: 32px 20px 249px 24px
    }

    .swiper-list.dev {
        width: 271px;
        box-sizing: border-box;
        padding: 34px 47px 180px 24px
    }

    .swiper-list.dev .list-content {
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical
    }

    .swiper-list.guest .list-head {
        font-size: 18px;
        font-weight: 600;
        line-height: 24px;
        margin-bottom: 12px
    }

    .swiper-list.dev .list-head {
        font-size: 16px;
        font-weight: 600;
        line-height: 20px
    }

    .swiper-list.guest .list-content {
        font-size: 14px;
        line-height: 22px;
        min-height: 44px;
    }

    .swiper-list.dev .list-content {
        font-size: 12px;
        line-height: 18px;
        margin: 16px 0 32px
    }

    .swiper-list.dev .red-more {
        font-size: 14px;
        line-height: 20px;
        color: #c7000b
    }

    .swiper-list .list-img {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        z-index: -1
    }

    .swiper-list.site {
        width: 271px
    }

    .swiper-list.site .site-1 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/site-1.jpg) no-repeat;
        background-size: cover
    }

    .swiper-list.site .site-2 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/site-2.jpg) no-repeat;
        background-size: cover
    }

    .swiper-list.site .site-3 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/site-3.jpg) no-repeat;
        background-size: cover
    }

    .swiper-list.site .site-4 {
        background: url(https://res-static.hc-cdn.cn/aem/content/dam/cloudbu-develop/archive/china/zh-cn/developer/hdc2021/images/mobile/site-4.jpg) no-repeat;
        background-size: cover
    }

    .swiper-list.site .list-head {
        padding: 52px 0 48px;
        font-size: 20px;
        text-align: center;
        font-weight: 600;
        color: #fff;
        line-height: 26px
    }

    .swiper-list.site .list-content {
        padding: 32px 30px 32px 24px;
        background: #fff
    }

    .swiper-list.site .list-title {
        font-size: 16px;
        font-weight: 600;
        line-height: 20px;
        margin-bottom: 16px
    }

    .swiper-list.site .list-detail-text {
        font-size: 12px;
        line-height: 18px;
        margin-bottom: 8px
    }

    .swiper-list.site .list-detail-text img {
        width: 13px;
        margin-right: 10px;
        vertical-align: text-top
    }

    .swiper-list.site .site-btn {
        display: inline-block;
        margin-top: 24px;
        padding: 5px 36px;
        font-size: 12px;
        font-weight: 600;
        line-height: 18px;
        border: 1px solid #252b3a;
        border-radius: 3px
    }

    .hdc-section .swiper-container-horizontal>.swiper-pagination-bullets,
    .hdc-section .swiper-pagination-custom,
    .hdc-section .swiper-pagination-fraction {
        left: 50%;
        bottom: 0;
        transform: translateX(-50%)
    }

    .hdc-section .swiper-pagination-bullet {
        margin-right: 16px
    }

    .hdc-section .swiper-pagination-bullet-active {
        background: #c7000b
    }
}

@media (max-width: 1200px) {
    .modal-body {
        width: 88%
    }
}


#footer .weixin-sh .svgicon {
    background-image: url(https://res.hc-cdn.com/cnpm-common-resource/2.0.2/base/footer/components/footer/images/wechat.svg)
}

#footer .footer-nav-about :nth-child(4) .svgicon {
    background-image: url(https://res.hc-cdn.com/cnpm-common-resource/2.0.2/base/footer/components/footer/images/weibo.svg)
}

#footer .footer-nav-about .footer-nav-about-dd-app .svgicon {
    background-image: url(https://res.hc-cdn.com/cnpm-common-resource/2.0.2/base/footer/components/footer/images/app.svg)
}