.sec_theme,
.copywriting {
  position: relative;
  width: 100%;
  padding: 60px 0;
  text-align: center;
  z-index: 2;
}

.sec_theme .intro,
.copywriting .intro {
  font-size: 16px;
  font-weight: 400;
  color: #575D6C;
  line-height: 1.5;
  margin-top: 30px;
}

.sec_theme .intro span,
.copywriting .intro span {
  display: block;
}

.sec_theme .btn,
.copywriting .btn {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 137px;
  height: 41px;
  border: 1px solid #252B3A;
  border-radius: 2px;
  margin: 32px auto 0;
  transition: border ease .4s, color ease .4s;
}

.sec_theme .btn span,
.copywriting .btn span {
  font-size: 14px;
  line-height: 1;
}

.sec_theme .btn .i,
.copywriting .btn .i {
  position: relative;
  width: 18px;
  height: 18px;
  margin-left: 5px;
}

.sec_theme .btn .i img,
.copywriting .btn .i img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  transition: opacity ease .4s;
}

.sec_theme .btn .i img.default,
.copywriting .btn .i img.default {
  opacity: 1;
}

.sec_theme .btn .i img.active, .sec_theme .btn .i img.mbicon,
.copywriting .btn .i img.active,
.copywriting .btn .i img.mbicon {
  opacity: 0;
}

.sec_theme .banner-mb,
.copywriting .banner-mb {
  display: none;
}

.sec_theme .video,
.copywriting .video {
  display: none;
  position: absolute;
  width: 100%;
  min-width: 100vw;
  min-height: 100vh;
  object-fit: cover;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.sec_theme.IE,
.copywriting.IE {
  height: 100vh;
  padding: 90px 0;
  background-image: url("https://res-static.hc-cdn.cn/cloudbu-site/china/zh-cn/about/overview/images/banner-pc.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  overflow: hidden;
}

.sec_theme.IE .video,
.copywriting.IE .video {
  display: block;
}

.sec_theme.IE .safeplace,
.copywriting.IE .safeplace {
  z-index: 2;
  color: #fff;
}

.sec_theme.IE .safeplace .intro,
.copywriting.IE .safeplace .intro {
  color: inherit;
}

.sec_theme.IE .safeplace .btn,
.copywriting.IE .safeplace .btn {
  border: 1px solid #fff;
}

.sec_theme.IE .safeplace .btn .i .mbicon,
.copywriting.IE .safeplace .btn .i .mbicon {
  opacity: 1;
}

.sec_theme.IE .safeplace .btn .i .default,
.copywriting.IE .safeplace .btn .i .default {
  opacity: 0;
}

.sec_theme .banner-gif,
.copywriting .banner-gif {
  display: none;
}

.sec_banner {
  width: 100%;
  height: 2500px;
  position: relative;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.sec_banner .box {
  position: absolute;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
}

.sec_banner .box .image {
  width: 100%;
  min-width: 100vw;
  min-height: 100vh;
  border: none;
}

.sec_banner .box .rectangle {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background-color: #fff;
  -webkit-mask-image: url("https://res-static.hc-cdn.cn/cloudbu-site/china/zh-cn/about/overview/images/rectangleshape.svg");
  -webkit-mask-size: auto 100vw;
  -webkit-mask-position: 50% 45%;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-composite: xor;
  z-index: 2;
  transition: all .3s ease;
}

.sec_banner .box .window {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background-color: #fff;
  -webkit-mask-image: url("https://res-static.hc-cdn.cn/cloudbu-site/china/zh-cn/about/overview/images/cloudshape.svg");
  -webkit-mask-size: auto 11vw;
  -webkit-mask-position: 50% 43%;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-composite: xor;
  transition: all .3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sec_banner .box .redcloud {
  pointer-events: none;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background-color: #fff;
  background-image: url("https://res-static.hc-cdn.cn/cloudbu-site/china/zh-cn/about/overview/images/redcloud.jpg");
  background-size: auto 11vw;
  background-repeat: no-repeat;
  background-position: 50% 43%;
  opacity: 0;
  z-index: 4;
}

.sec_banner .box .redcloud.show {
  transition: opacity .6s;
  opacity: 1;
}

.sec_banner .box .copywriting {
  position: absolute;
  width: 100%;
  bottom: 50%;
  transform: translateY(-60px);
  z-index: 5;
  opacity: 0;
}

.sec_banner .box .copywriting .intro {
  margin-top: 0;
}

.sec_banner .box .copywriting.bottom {
  padding: 0;
  top: 54%;
  transform: translateY(65px);
}

.sec_digitizing {
  position: relative;
  width: 100%;
  padding: 100px 0;
  background-color: #F8F9FB;
  z-index: 10;
}

.sec_digitizing .modtitle {
  text-align: center;
}

.sec_digitizing .modtitle span {
  display: inline-block;
  font-weight: bold;
}

.sec_digitizing .cont {
  display: flex;
  justify-content: space-between;
  margin-top: 60px;
}

.sec_digitizing .cont .box {
  position: relative;
  width: 48.6%;
  padding: 50px;
  background-color: #FFF;
}

.sec_digitizing .cont .box .table {
  position: relative;
  width: 100%;
  margin: 48px 0;
}

.sec_digitizing .cont .box .table .baseimg {
  width: 100%;
  -webkit-user-drag: none;
  opacity: 0;
}

.sec_digitizing .cont .box .table .bar,
.sec_digitizing .cont .box .table .line {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.sec_digitizing .cont .box .note {
  cursor: default;
  text-align: right;
  position: absolute;
  width: 100%;
  padding: 0 50px;
  font-size: 14px;
  color: #979CA9;
  line-height: 1;
  right: 0;
  bottom: 49px;
}

.sec_digitizing .cont .left .title {
  font-size: 24px;
  line-height: 1.5;
}

.sec_digitizing .cont .left .linkarr {
  margin-top: 20px;
}

.sec_digitizing .cont .right {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sec_digitizing .cont .right .wenan {
  padding-right: 0.52083vw;
}

.sec_digitizing .cont .right .text {
  font-size: 16px;
  color: #575D6C;
  line-height: 1.8;
}

.sec_digitizing .cont .right .text:first-child {
  margin-top: 3px;
}

.sec_digitizing .cont .right .strong {
  display: inline;
  font-size: 24px;
  color: #252B3A;
  line-height: 1.8;
  margin: 23px 0;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .sec_digitizing .modtitle span {
    background-image: none;
    color: #252B3A;
  }
}

.sec_serve {
  width: 100%;
  padding: 100px 0 70px;
}

.sec_serve .title {
  text-align: center;
}

.sec_serve .title .stitle {
  font-size: 18px;
  color: #575D6C;
  line-height: 1;
}

.sec_serve .title .mtitle {
  font-size: 24px;
  color: #252B3A;
  margin-top: 20px;
  line-height: 1;
}

.sec_serve .title .btitle {
  margin: 18px 0 59px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sec_serve .title .btitle span {
  font-weight: bold;
  color: #252B3A;
  line-height: 1;
}

.sec_serve .title .btitle .icon {
  cursor: pointer;
  position: relative;
  width: 40px;
  height: 40px;
  background: #EDF0F6;
  border-radius: 50%;
  margin: 4px 0 0 10px;
}

.sec_serve .title .btitle .icon img {
  position: absolute;
  width: 14px;
  height: 17px;
  left: 35%;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity ease .4s;
}

.sec_serve .title .btitle .icon .default {
  opacity: 1;
}

.sec_serve .title .btitle .icon .active {
  opacity: 0;
}

.sec_serve .title .btitle .icon:hover .default {
  opacity: 0;
}

.sec_serve .title .btitle .icon:hover .active {
  opacity: 1;
}

.sec_serve .tab {
  text-align: center;
  margin-bottom: 40px;
}

.sec_serve .tab .tabitem {
  cursor: pointer;
  position: relative;
  display: inline-block;
  font-size: 24px;
  color: #252B3A;
  margin-right: 60px;
}

.sec_serve .tab .tabitem:last-child {
  margin-right: 0;
}

.sec_serve .tab .tabitem::after {
  content: '';
  position: absolute;
  width: 0;
  height: 3px;
  background: #C7000B;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  transition: width ease .4s;
}

.sec_serve .tab .tabitem.active {
  cursor: default;
}

.sec_serve .tab .tabitem.active::after {
  width: 100%;
}

.sec_serve .tab .tabitem:hover::after {
  width: 100%;
}

.sec_serve .block {
  display: none;
}

.sec_serve .block .cont {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.sec_serve .block .cont .info {
  text-align: left;
  min-height: 516px;
  padding-top: 110px;
}

.sec_serve .block .cont .info .btitle {
  font-size: 24px;
  line-height: 1;
  margin-bottom: 16px;
  white-space: nowrap;
  color: #252B3A;
}

.sec_serve .block .cont .info .btitle .bold {
  color: inherit;
  font-weight: bold;
}

.sec_serve .block .cont .info .btext {
  font-size: 16px;
  color: #575D6C;
  line-height: 1.5;
  margin-bottom: 24px;
}

.sec_serve .block .cont .info .btext span {
  color: inherit;
  display: block;
}

.sec_serve .block .cont .info .linkarr {
  margin-bottom: 45px;
}

.sec_serve .block .cont .info .datas {
  cursor: default;
}

.sec_serve .block .cont .info .datas .row {
  display: flex;
  margin-bottom: 45px;
}

.sec_serve .block .cont .info .datas .row .number {
  width: 46%;
}

.sec_serve .block .cont .info .datas .row .number .num {
  line-height: 1;
  margin-bottom: 15px;
  font-size: 48px;
  color: #252B3A;
}

.sec_serve .block .cont .info .datas .row .number .num span {
  color: inherit;
}

.sec_serve .block .cont .info .datas .row .number .text {
  font-size: 16px;
  color: #000000;
  line-height: 1;
  padding-left: 5px;
}

.sec_serve .block .cont .info .datas .row .cylinder .theme {
  font-size: 24px;
  color: #252B3A;
  line-height: 1;
  margin-bottom: 15px;
}

.sec_serve .block .cont .info .datas .row .cylinder .list {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.sec_serve .block .cont .info .datas .row .cylinder .list .date {
  font-size: 14px;
  color: #575D6C;
  line-height: 1;
}

.sec_serve .block .cont .info .datas .row .cylinder .list .column {
  width: 0;
  height: 10px;
  background: linear-gradient(90deg, #DD666D 0%, #EEB2B5 100%);
  border-radius: 5px;
  margin: 2px 10px;
  transition: width 1s;
}

.sec_serve .block .cont .info .datas .row .cylinder .list .column.animated {
  width: 135px;
}

.sec_serve .block .cont .info .datas .row .cylinder .list .num {
  font-size: 24px;
  line-height: 1;
  color: #575D6C;
}

.sec_serve .block .cont .info .datas .row .cylinder .list:last-child {
  margin-bottom: 0;
}

.sec_serve .block .cont .info .datas .row .cylinder .list:last-child .column {
  width: 0;
  background: linear-gradient(90deg, #DCEEF8 0%, #E7F3FA 100%);
}

.sec_serve .block .cont .info .datas .row .cylinder .list:last-child .column.animated {
  width: 100px;
}

.sec_serve .block .cont .info .datas .row .cylinder .list:last-child .num {
  font-size: 16px;
}

.sec_serve .block .cont .info .datas .row:last-child {
  margin-bottom: 0;
}

.sec_serve .block .cont .info .datas .row:last-child .cylinder .list .column {
  width: 0;
}

.sec_serve .block .cont .info .datas .row:last-child .cylinder .list .column.animated {
  width: 252px;
}

.sec_serve .block .cont .info .datas .row:last-child .cylinder .list:last-child .column {
  width: 0;
}

.sec_serve .block .cont .info .datas .row:last-child .cylinder .list:last-child .column.animated {
  width: 188px;
}

.sec_serve .block.show {
  display: block;
}

.sec_serve .block1 .cont .info {
  width: 50%;
}

.sec_serve .block1 .cont .info .ctrl {
  display: block;
}

.sec_serve .block1 .cont .earth {
  position: relative;
  width: 55%;
}

.sec_serve .block1 .cont .earth .picimg {
  position: absolute;
  width: 100%;
  top: 0;
  right: -70px;
}

.sec_serve .block1 .cont .earth #mountNode,
.sec_serve .block1 .cont .earth #floor {
  position: absolute;
  top: -1.04167vw;
  right: 0;
  width: 37.96875vw;
  height: 31.77083vw;
  overflow: hidden;
  z-index: 1;
}

.sec_serve .block1 .cont .earth #floor::before {
  content: '';
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-size: auto 83%;
  background-position: 50%;
  background-repeat: no-repeat;
  position: absolute;
  left: 10%;
  top: 10%;
  background-image: url(https://res-static.hc-cdn.cn/cloudbu-site/china/zh-cn/3D-earth/shadow2.png);
}

.sec_serve .block1 .cont .earth #floor::after {
  content: '';
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-size: auto 83%;
  background-position: 50%;
  background-repeat: no-repeat;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  background-image: url(https://res-static.hc-cdn.cn/cloudbu-site/china/zh-cn/3D-earth/shadow.png);
}

.sec_serve .block1 .cont .ctrl {
  padding-top: 0.3125vw;
  white-space: nowrap;
  display: none;
}

.sec_serve .block1 .cont .ctrl .card {
  cursor: pointer;
  min-width: 8.125vw;
  padding: 0 1.04167vw;
  height: 2.08333vw;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #ADB0B8;
  border-radius: 1.04167vw;
  font-size: 0.83333vw;
  color: #575D6C;
  margin-right: 1.04167vw;
  transition: color .4s,background .4s;
}

.sec_serve .block1 .cont .ctrl .card:hover {
  color: #C7000B;
}

.sec_serve .block1 .cont .ctrl .card.active {
  color: #fff;
  background: #C7000B;
  border-color: #C7000B;
}

.sec_serve .block1 .maptabel {
  position: absolute;
  bottom: 0;
  right: 0;
  z-index: 100;
  transform-origin: right bottom;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sec_serve .block1 .maptabel .global-site-legend {
  display: flex;
  margin: 0 auto;
}

.sec_serve .block1 .maptabel .global-site-legend .legend {
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  height: 48px;
  line-height: 24px;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}

.sec_serve .block1 .maptabel .global-site-legend .legend .lenged-icon {
  height: 24px;
  line-height: 24px;
}

.sec_serve .block1 .maptabel .global-site-legend .legend span {
  color: #252b3a;
  font-size: 12px;
  white-space: nowrap;
}

.sec_serve .block1 .maptabel .global-site-legend .legend + .legend {
  margin-left: 16px;
}

.sec_serve .block1 .maptabel .map-number {
  max-width: 33vw;
  font-size: 12px;
  color: #575d6c;
  text-align: center;
  line-height: 14px;
  margin-top: 0.26042vw;
}

.sec_serve .block2 .cont .info {
  width: 38.6%;
}

.sec_serve .block2 .cont .right {
  position: relative;
  width: 54%;
}

.sec_serve .block2 .cont .right .blockimage {
  position: absolute;
  height: 560px;
  top: 0;
  right: 0;
}

.sec_serve .block2 .cont .right .blockimage img {
  height: 100%;
}

.sec_serve .block2 .cont .right .blockimage img.mbele {
  display: none;
}

.sec_serve .block2 .cont .right .blockimage .ele {
  position: absolute;
  height: 100%;
  width: auto;
  top: 0;
  right: 4%;
  opacity: 0;
  transform: translateY(20%);
}

.sec_serve .block2 .cont .right .blockimage .label {
  position: absolute;
  font-size: 16px;
  font-weight: 500;
  color: #000000;
  animation: textUpDown 1.2s linear infinite alternate;
}

.sec_serve .block2 .cont .right .blockimage .label.label1 {
  top: 61%;
  right: 47%;
}

.sec_serve .block2 .cont .right .blockimage .label.label2 {
  top: 46%;
  left: 76%;
}

.sec_serve .block2 .cont .right .blockimage .label.label3 {
  top: 89%;
  right: 50%;
}

.sec_serve .block2 .cont .right .blockimage .label.label4 {
  top: 82%;
  left: 85.8%;
}

.sec_serve .block2 .cont .right .blockimage .label .icon {
  font-size: inherit;
  color: #C7000B;
  vertical-align: text-top;
  transition: transform ease .4s;
}

.sec_serve .block2 .cont .right .blockimage .label:hover .icon {
  transform: translateX(0.26042vw);
}

.sec_serve .block2 .cont .right .blockimage.moveimg .ele {
  transition: opacity ease .6s, transform ease .6s;
  transform: translateY(0%);
  opacity: 1;
}

.sec_serve .block3 .cont .info {
  width: 34%;
}

.sec_serve .block3 .cont .info .datas .row .number {
  width: 59%;
}

.sec_serve .block3 .cont .info .datas .row .number:last-child {
  width: auto;
}

.sec_serve .block3 .cont .right {
  position: relative;
  width: 60.9%;
}

.sec_serve .block3 .cont .right .blockimage {
  position: absolute;
  width: 100%;
  top: 35px;
  right: 0;
}

.sec_serve .block3 .cont .right .blockimage img {
  width: 100%;
}

.sec_serve .block3 .cont .right .blockimage .label {
  position: absolute;
  width: 7.46%;
  animation: iconUpDown 1.2s linear infinite alternate;
}

.sec_serve .block3 .cont .right .blockimage .label.label1 {
  top: 7%;
  left: 8%;
  animation-delay: .6s;
}

.sec_serve .block3 .cont .right .blockimage .label.label2 {
  top: 0;
  left: 24.7%;
}

.sec_serve .block3 .cont .right .blockimage .label.label3 {
  top: 7%;
  left: 41%;
  animation-delay: .6s;
}

.sec_serve .block3 .cont .right .blockimage .label.label4 {
  top: 0;
  left: 57.7%;
}

.sec_serve .block3 .cont .right .blockimage .label.label5 {
  top: 7%;
  left: 74%;
  animation-delay: .6s;
}

.sec_serve .block3 .cont .right .blockimage .label.label6 {
  top: 17%;
  left: 90%;
  animation-delay: 1s;
}

.sec_serve .block3 .cont .right .blockimage .arrow {
  position: absolute;
  width: 20.6%;
  left: 56.6%;
}

.sec_serve .block3 .cont .right .blockimage .arrow.arrow1 {
  top: 30.38%;
}

.sec_serve .block3 .cont .right .blockimage .arrow.arrow2 {
  top: 79.6%;
}

.sec_secure {
  width: 100%;
  padding: 100px 0;
  background-image: url("https://res-static.hc-cdn.cn/cloudbu-site/china/zh-cn/about/overview/images/sec-secure-bg.png");
  background-size: 100% auto;
  background-position: center 10.9375vw;
  background-repeat: no-repeat;
  overflow-x: hidden;
}

.sec_secure .intro {
  font-size: 16px;
  font-weight: 400;
  color: #575D6C;
  line-height: 1.5;
  text-align: center;
  margin-top: 30px;
  margin-bottom: 100px;
}

.sec_secure .intro .linkarr {
  font-weight: bold;
  color: #252B3A;
}

.sec_secure .cont {
  display: flex;
  justify-content: space-between;
}

.sec_secure .cont .box {
  position: relative;
  display: inline-block;
  vertical-align: top;
  width: 100%;
  padding: 50px 60px 50px 50px;
  background: #FFFFFF;
  box-shadow: 0 2px 30px 0 rgba(0, 0, 0, 0.06);
}

.sec_secure .cont .box .title {
  font-size: 24px;
  line-height: 1;
}

.sec_secure .cont .box .stitle {
  font-size: 16px;
  line-height: 1;
}

.sec_secure .cont .box .text {
  font-size: 14px;
  color: #575D6C;
  line-height: 21px;
  margin-top: 17px;
}

.sec_secure .cont .box .redtext {
  color: #C7000B;
}

.sec_secure .cont .box .bold {
  font-weight: bold;
}

.sec_secure .cont .box .img {
  position: absolute;
  width: 36%;
  top: -40px;
  right: 30px;
}

.sec_secure .cont .left {
  width: 48.6%;
}

.sec_secure .cont .left .block {
  margin-bottom: 30px;
}

.sec_secure .cont .left .head {
  width: 53%;
}

.sec_secure .cont .left .foot {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.sec_secure .cont .left .foot .item {
  width: 45.2%;
}

.sec_secure .cont .left .foot .item .linkarr span {
  line-height: 1;
}

.sec_secure .cont .right {
  width: 48.6%;
}

.sec_secure .cont .right .box {
  margin-top: 180px;
}

.sec_secure .cont .right .title {
  margin-top: 20px;
  margin-bottom: 50px;
}

.sec_secure .cont .right .stitle {
  font-size: 16px;
}

.sec_secure .cont .right .logos {
  width: 100%;
  margin: 14px 0 30px;
}

.sec_secure .cont .right .logos img {
  width: 100%;
}

.sec_secure .cont .right .logos .lname {
  width: 100%;
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: #575D6C;
  margin-top: 15px;
}

.sec_secure .cont .right .logos .lname .item {
  padding-left: 1%;
}

.sec_secure .cont .right .logos .lname .item:nth-child(2) {
  padding-left: 2.2%;
}

.sec_secure .cont .right .logos .lname .item:nth-child(3) {
  padding-left: 3.2%;
}

.sec_secure .cont .right .foot {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.sec_secure .cont .right .foot .stitle {
  cursor: pointer;
  width: 47%;
  font-size: 16px;
  line-height: 27px;
}

.sec_secure .cont .right .foot .stitle:last-child {
  width: 45.5%;
}

.sec_secure .cont .right .foot .stitle .icon {
  font-size: inherit;
  color: inherit;
  color: #C7000B;
  vertical-align: text-top;
  transition: transform ease .4s;
}

.sec_secure .cont .right .foot .stitle:hover {
  color: #C7000B;
}

.sec_secure .cont .right .foot .stitle:hover .icon {
  transform: translateX(5px);
}

.sec_secure .more_btn {
  margin-top: 60px;
}

.sec_secure .more_btn .alink {
  color: #fff;
  border: 1px solid #fff;
}

.sec_secure .more_btn .alink:hover {
  background-color: #d64a52;
  border: 1px solid #d64a52;
  color: #fff;
}

.sec_brand {
  width: 100%;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.sec_brand .iframe {
  width: 100%;
  height: 49.48vw;
}

.sec_case {
  width: 100%;
  padding: 100px 0;
}

.sec_case .intro {
  font-size: 16px;
  font-weight: 400;
  color: #575D6C;
  line-height: 1.5;
  text-align: center;
  margin-top: 30px;
}

.sec_case .intro span {
  display: block;
}

.sec_case .cont {
  margin-top: 55px;
}

.sec_case .cont .row {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.sec_case .cont .row .item {
  position: relative;
  overflow: hidden;
}

.sec_case .cont .row .item .image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}

.sec_case .cont .row .item .mask {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  width: 100%;
  min-height: 40.5%;
  left: 0;
  bottom: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  padding: 30px 40px 30px 30px;
  color: #FFFFFF;
  text-align: left;
}

.sec_case .cont .row .item .mask .label {
  font-size: 14px;
  line-height: 1;
  margin-bottom: 17px;
  color: inherit;
}

.sec_case .cont .row .item .mask .title {
  width: 100%;
  font-size: 24px;
  line-height: 1;
  margin-bottom: 14px;
  color: inherit;
}

.sec_case .cont .row .item .mask .info {
  width: 100%;
  font-size: 14px;
  line-height: 1.5;
  color: inherit;
}

.sec_case .cont .row .item .mask .bbox {
  pointer-events: none;
  height: 0;
  opacity: 0;
  text-align: left;
  transition: height .4s, opacity .4s;
}

.sec_case .cont .row .item .mask .bbox .linkarr {
  margin-top: 18px;
  font-size: 14px;
  color: #FFF;
}

.sec_case .cont .row .item .mask .bbox .linkarr .icon {
  color: #C7000B;
}

.sec_case .cont .row .item .mask .bbox .linkarr::after {
  background-color: #fff;
}

.sec_case .cont .row .item:hover .image {
  transform: scale(1.05);
}

.sec_case .cont .row .item:hover .mask {
  height: 80%;
}

.sec_case .cont .row .item:hover .mask .bbox {
  pointer-events: all;
  height: 40px;
  opacity: 1;
}

.sec_case .cont .top .item {
  width: 66.2%;
  height: 456px;
}

.sec_case .cont .top .item:last-child {
  width: 32.4%;
}

.sec_case .cont .bottom {
  margin-top: 20px;
}

.sec_case .cont .bottom .item {
  width: 23.94%;
  height: 241px;
}

.sec_case .cont .bottom .item .mask {
  padding: 20px 30px 20px 20px;
}

.sec_case .cont .bottom .item .mask .label {
  margin-bottom: 14px;
}

.sec_case .cont .bottom .item .mask .info {
  font-size: 18px;
}

.sec_case .more_btn {
  margin-top: 60px;
}

.sec_contact {
  width: 100%;
  padding-bottom: 60px;
}

.sec_contact .title {
  font-size: 24px;
  line-height: 1;
  margin-bottom: 30px;
}

.sec_contact .cont {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sec_contact .cont .left .item {
  display: inline-block;
  font-size: 16px;
}

.sec_contact .cont .left .text:first-child {
  margin-right: 35px;
}

.sec_contact .cont .left .linkarr {
  margin-left: 59px;
  color: #C7000B;
}

.sec_contact .cont .left .linkarr:last-child {
  margin-right: 0;
  margin-left: 70px;
}

.sec_contact .cont .right {
  display: inline-flex;
  align-items: center;
}

.sec_contact .cont .right .explain {
  cursor: default;
  font-size: 18px;
}

.sec_contact .cont .right .qrcode {
  margin-left: 95px;
}

.sec_contact .cont .right .qrcode .box {
  position: relative;
  display: inline-block;
  vertical-align: top;
  margin-right: 60px;
}

.sec_contact .cont .right .qrcode .box:last-child {
  margin-right: 0;
}

.sec_contact .cont .right .qrcode .box .text {
  cursor: default;
  position: absolute;
  font-size: 16px;
  line-height: 1;
  left: 0;
  top: 0;
  transform: translateY(-180%);
}

.sec_contact .cont .right .qrcode .box .img {
  width: 70px;
  height: 70px;
}

@keyframes textUpDown {
  0% {
    transform: translateY(-15%);
  }
  100% {
    transform: translateY(15%);
  }
}

@keyframes iconUpDown {
  0% {
    transform: translateY(-10%);
  }
  100% {
    transform: translateY(10%);
  }
}

@media screen and (min-width: 1024px) {
  .sec_theme,
  .copywriting {
    padding: 3.125vw 0;
  }
  .sec_theme .intro,
  .copywriting .intro {
    font-size: 0.83333vw;
    margin-top: 1.5625vw;
  }
  .sec_theme .btn,
  .copywriting .btn {
    width: 7.13542vw;
    height: 2.13542vw;
    border-radius: 0.10417vw;
    margin: 1.66667vw auto 0;
  }
  .sec_theme .btn span,
  .copywriting .btn span {
    font-size: 0.72917vw;
  }
  .sec_theme .btn .i,
  .copywriting .btn .i {
    width: 0.9375vw;
    height: 0.9375vw;
    margin-left: 0.26042vw;
  }
  .sec_theme .btn:hover,
  .copywriting .btn:hover {
    color: #C7000B;
    border: 1px solid #C7000B !important;
  }
  .sec_theme .btn:hover .i img.default, .sec_theme .btn:hover .i img.mbicon,
  .copywriting .btn:hover .i img.default,
  .copywriting .btn:hover .i img.mbicon {
    opacity: 0 !important;
  }
  .sec_theme .btn:hover .i img.active,
  .copywriting .btn:hover .i img.active {
    opacity: 1 !important;
  }
  .sec_theme.IE,
  .copywriting.IE {
    padding: 5vh 0;
  }
  .sec_banner {
    height: 130.20833vw;
  }
  .sec_banner .box .copywriting {
    transform: translateY(-3.125vw);
  }
  .sec_banner .box .copywriting.bottom {
    transform: translateY(3.38542vw);
  }
  .sec_digitizing {
    padding: 5.20833vw 0;
  }
  .sec_digitizing .cont {
    margin-top: 3.125vw;
  }
  .sec_digitizing .cont .box {
    padding: 2.60417vw;
  }
  .sec_digitizing .cont .box .table {
    margin: 2.5vw 0;
  }
  .sec_digitizing .cont .box .note {
    width: 100%;
    padding: 0 2.60417vw;
    font-size: 0.72917vw;
    right: 0;
    bottom: 2.55208vw;
  }
  .sec_digitizing .cont .left .title {
    font-size: 1.25vw;
  }
  .sec_digitizing .cont .left .linkarr {
    margin-top: 1.04167vw;
  }
  .sec_digitizing .cont .right .text {
    font-size: 0.83333vw;
  }
  .sec_digitizing .cont .right .text:first-child {
    margin-top: 0.15625vw;
  }
  .sec_digitizing .cont .right .strong {
    font-size: 1.25vw;
    margin: 1.19792vw 0;
  }
  .sec_serve {
    padding: 5.20833vw 0 4.6875vw;
  }
  .sec_serve .title .stitle {
    font-size: 0.9375vw;
  }
  .sec_serve .title .mtitle {
    font-size: 1.25vw;
    margin-top: 1.04167vw;
  }
  .sec_serve .title .btitle {
    margin: 0.9375vw 0 3.07292vw;
  }
  .sec_serve .title .btitle .icon {
    width: 2.08333vw;
    height: 2.08333vw;
    margin: 0.20833vw 0 0 0.52083vw;
  }
  .sec_serve .title .btitle .icon img {
    position: absolute;
    width: 0.72917vw;
    height: 0.88542vw;
  }
  .sec_serve .tab {
    margin-bottom: 2.08333vw;
  }
  .sec_serve .tab .tabitem {
    font-size: 1.25vw;
    margin-right: 3.125vw;
  }
  .sec_serve .tab .tabitem::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0.15625vw;
    background: #C7000B;
    left: 50%;
    bottom: -0.52083vw;
  }
  .sec_serve .block .cont .info {
    min-height: 26.875vw;
    padding-top: 5.72917vw;
  }
  .sec_serve .block .cont .info .btitle {
    font-size: 1.25vw;
    margin-bottom: 0.83333vw;
  }
  .sec_serve .block .cont .info .btext {
    font-size: 0.83333vw;
    margin-bottom: 1.25vw;
  }
  .sec_serve .block .cont .info .linkarr {
    margin-bottom: 2.34375vw;
  }
  .sec_serve .block .cont .info .datas .row {
    margin-bottom: 2.34375vw;
  }
  .sec_serve .block .cont .info .datas .row .number {
    width: 46%;
  }
  .sec_serve .block .cont .info .datas .row .number .num {
    margin-bottom: 0.78125vw;
    font-size: 2.5vw;
  }
  .sec_serve .block .cont .info .datas .row .number .text {
    font-size: 0.83333vw;
    padding-left: 0.26042vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .theme {
    font-size: 1.25vw;
    margin-bottom: 0.78125vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list {
    margin-bottom: 0.78125vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list .date {
    font-size: 0.72917vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list .column {
    height: 0.52083vw;
    border-radius: 0.26042vw;
    margin: 0.10417vw 0.52083vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list .column.animated {
    width: 7.03125vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list .num {
    font-size: 1.25vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list:last-child .column.animated {
    width: 5.20833vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list:last-child .num {
    font-size: 0.83333vw;
  }
  .sec_serve .block .cont .info .datas .row:last-child .cylinder .list .column.animated {
    width: 13.125vw;
  }
  .sec_serve .block .cont .info .datas .row:last-child .cylinder .list:last-child .column.animated {
    width: 9.79167vw;
  }
  .sec_serve .block1 .cont .earth .picimg {
    right: -3.64583vw;
  }
  .sec_serve .block2 .cont .right .blockimage {
    height: 29.16667vw;
  }
  .sec_serve .block2 .cont .right .blockimage .label {
    font-size: 0.83333vw;
  }
  .sec_serve .block3 .cont .right .blockimage {
    top: 1.82292vw;
  }
  .sec_secure {
    padding: 5.20833vw 0;
  }
  .sec_secure .intro {
    font-size: 0.83333vw;
    margin-top: 1.5625vw;
    margin-bottom: 5.20833vw;
  }
  .sec_secure .cont .box {
    padding: 2.60417vw 3.125vw 2.60417vw 2.60417vw;
    box-shadow: 0 0.10417vw 1.5625vw 0 rgba(0, 0, 0, 0.06);
  }
  .sec_secure .cont .box .title {
    font-size: 1.25vw;
  }
  .sec_secure .cont .box .stitle {
    font-size: 0.83333vw;
  }
  .sec_secure .cont .box .text {
    font-size: 0.72917vw;
    line-height: 1.09375vw;
    margin-top: 0.88542vw;
  }
  .sec_secure .cont .box .img {
    top: -2.08333vw;
    right: 1.5625vw;
  }
  .sec_secure .cont .left .block {
    margin-bottom: 1.5625vw;
  }
  .sec_secure .cont .right .box {
    margin-top: 9.375vw;
  }
  .sec_secure .cont .right .title {
    margin-top: 1.04167vw;
    margin-bottom: 2.60417vw;
  }
  .sec_secure .cont .right .stitle {
    font-size: 0.83333vw;
  }
  .sec_secure .cont .right .logos {
    margin: 1.04167vw 0 1.5625vw;
  }
  .sec_secure .cont .right .logos .lname {
    font-size: 0.72917vw;
    margin-top: 0.78125vw;
  }
  .sec_secure .cont .right .foot .stitle {
    font-size: 0.83333vw;
    line-height: 1.40625vw;
  }
  .sec_secure .cont .right .foot .stitle:hover .icon {
    transform: translateX(0.26042vw);
  }
  .sec_secure .more_btn {
    margin-top: 3.125vw;
  }
  .sec_case {
    padding: 5.20833vw 0;
  }
  .sec_case .intro {
    font-size: 0.83333vw;
    margin-top: 1.5625vw;
  }
  .sec_case .cont {
    margin-top: 2.86458vw;
  }
  .sec_case .cont .row .item .mask {
    padding: 1.5625vw 2.08333vw 1.5625vw 1.5625vw;
  }
  .sec_case .cont .row .item .mask .label {
    font-size: 0.72917vw;
    margin-bottom: 0.88542vw;
  }
  .sec_case .cont .row .item .mask .title {
    font-size: 1.25vw;
    margin-bottom: 0.72917vw;
  }
  .sec_case .cont .row .item .mask .info {
    font-size: 0.72917vw;
  }
  .sec_case .cont .row .item .mask .bbox .linkarr {
    margin-top: 0.9375vw;
    font-size: 0.72917vw;
  }
  .sec_case .cont .row .item:hover .mask .bbox {
    height: 2.08333vw;
  }
  .sec_case .cont .top .item {
    height: 23.75vw;
  }
  .sec_case .cont .bottom {
    margin-top: 1.04167vw;
  }
  .sec_case .cont .bottom .item {
    height: 12.55208vw;
  }
  .sec_case .cont .bottom .item .mask {
    padding: 1.04167vw 1.5625vw 1.04167vw 1.04167vw;
  }
  .sec_case .cont .bottom .item .mask .label {
    margin-bottom: 0.72917vw;
  }
  .sec_case .cont .bottom .item .mask .info {
    font-size: 0.9375vw;
  }
  .sec_case .more_btn {
    margin-top: 3.125vw;
  }
  .sec_contact {
    padding-bottom: 3.125vw;
  }
  .sec_contact .title {
    font-size: 1.25vw;
    margin-bottom: 1.5625vw;
  }
  .sec_contact .cont .left .item {
    display: inline-flex;
    font-size: 0.83333vw;
  }
  .sec_contact .cont .left .text:first-child {
    margin-right: 1.82292vw;
  }
  .sec_contact .cont .left .linkarr {
    margin-left: 3.07292vw;
  }
  .sec_contact .cont .left .linkarr:last-child {
    margin-left: 3.64583vw;
  }
  .sec_contact .cont .right .explain {
    font-size: 0.9375vw;
  }
  .sec_contact .cont .right .qrcode {
    margin-left: 4.94792vw;
  }
  .sec_contact .cont .right .qrcode .box {
    margin-right: 3.125vw;
  }
  .sec_contact .cont .right .qrcode .box .text {
    font-size: 0.83333vw;
  }
  .sec_contact .cont .right .qrcode .box .img {
    width: 3.64583vw;
    height: 3.64583vw;
  }
}

@media screen and (max-width: 1440px) {
  .sec_digitizing .cont .box .note {
    bottom: 1.30208vw;
  }
}

@media screen and (max-width: 1024px) {
  .sec_theme,
  .copywriting {
    padding: 0;
    overflow: hidden;
  }
  .sec_theme .safeplace,
  .copywriting .safeplace {
    position: absolute;
    top: 11.33333vw;
    left: 50%;
    transform: translateX(-50%);
    padding: 0 0;
  }
  .sec_theme .mod_title,
  .copywriting .mod_title {
    color: #fff;
  }
  .sec_theme .intro,
  .copywriting .intro {
    font-size: 2.66667vw;
    color: #fff;
    margin-top: 3.86667vw;
  }
  .sec_theme .intro span,
  .copywriting .intro span {
    display: inline;
  }
  .sec_theme .btn,
  .copywriting .btn {
    width: 28vw;
    height: 7.46667vw;
    border: 1px solid #fff;
    border-radius: 0.26667vw;
    margin: 4vw auto 0;
    transition: none;
  }
  .sec_theme .btn span,
  .copywriting .btn span {
    color: #fff;
    font-size: 3.2vw;
  }
  .sec_theme .btn .i,
  .copywriting .btn .i {
    width: 3.2vw;
    height: 3.2vw;
    margin-left: 0.8vw;
  }
  .sec_theme .btn .i img,
  .copywriting .btn .i img {
    transition: none;
  }
  .sec_theme .btn .i img.default,
  .copywriting .btn .i img.default {
    opacity: 0;
  }
  .sec_theme .btn .i img.mbicon,
  .copywriting .btn .i img.mbicon {
    opacity: 1;
  }
  .sec_theme .banner-mb,
  .copywriting .banner-mb {
    display: block;
    width: 100%;
  }
  .sec_theme .banner-gif,
  .copywriting .banner-gif {
    display: block;
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
  }
  .sec_banner {
    display: none;
  }
  .sec_digitizing {
    padding: 13.33333vw 0;
    overflow-x: hidden;
  }
  .sec_digitizing .cont {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-top: 8vw;
  }
  .sec_digitizing .cont .box {
    position: relative;
    width: 100%;
    padding: 6.53333vw 5.2vw;
  }
  .sec_digitizing .cont .box .table {
    position: relative;
    width: 100%;
    margin: 6.53333vw 0;
  }
  .sec_digitizing .cont .box .note {
    position: static;
    font-size: 2.66667vw;
    line-height: 1.5;
    padding: 0;
    text-align: left;
  }
  .sec_digitizing .cont .left {
    margin-bottom: 8vw;
  }
  .sec_digitizing .cont .left .title {
    font-size: 3.73333vw;
    line-height: 1.5;
    padding-right: 4.66667vw;
  }
  .sec_digitizing .cont .left .linkarr {
    margin-top: 2.66667vw;
  }
  .sec_digitizing .cont .right .text {
    font-size: 2.66667vw;
    line-height: 1.5;
  }
  .sec_digitizing .cont .right .strong {
    font-size: 3.73333vw;
    margin: 0;
    display: block;
  }
  .sec_serve {
    width: 100%;
    padding: 13.33333vw 0 0;
  }
  .sec_serve .title .stitle {
    font-size: 2.66667vw;
  }
  .sec_serve .title .mtitle {
    font-size: 3.73333vw;
    margin-top: 2.4vw;
  }
  .sec_serve .title .btitle {
    margin: 2.4vw 0 7.86667vw;
  }
  .sec_serve .title .btitle .icon {
    width: 5.6vw;
    height: 5.6vw;
    margin: 0 0 0 1.33333vw;
  }
  .sec_serve .title .btitle .icon img {
    width: 1.86667vw;
    height: 2.26667vw;
  }
  .sec_serve .tab {
    position: relative;
    margin-bottom: 9.33333vw;
    display: flex;
    justify-content: space-between;
    padding: 0 1.6vw;
  }
  .sec_serve .tab::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: rgba(0, 0, 0, 0.1);
    left: 0;
    bottom: -1.6vw;
  }
  .sec_serve .tab .tabitem {
    font-size: 3.2vw;
    margin: 0 4vw;
    color: #252B3A;
    margin-right: 4vw;
  }
  .sec_serve .tab .tabitem::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background: #C7000B;
    left: 50%;
    bottom: -1.6vw;
  }
  .sec_serve .tab .tabitem:last-child {
    margin-right: 4vw;
  }
  .sec_serve .block .cont {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .sec_serve .block .cont .info {
    min-height: auto;
    padding-top: 0;
  }
  .sec_serve .block .cont .info .btitle {
    font-size: 3.73333vw;
    margin-bottom: 2.13333vw;
  }
  .sec_serve .block .cont .info .btext {
    font-size: 2.66667vw;
    margin-bottom: 3.33333vw;
  }
  .sec_serve .block .cont .info .btext span {
    display: inline;
  }
  .sec_serve .block .cont .info .linkarr {
    margin-bottom: 8vw;
  }
  .sec_serve .block .cont .info .datas {
    cursor: default;
  }
  .sec_serve .block .cont .info .datas .row {
    display: flex;
    margin-bottom: 7.33333vw;
  }
  .sec_serve .block .cont .info .datas .row .number {
    width: 35%;
  }
  .sec_serve .block .cont .info .datas .row .number .num {
    font-size: 5.6vw;
    margin-bottom: 2.66667vw;
  }
  .sec_serve .block .cont .info .datas .row .number .text {
    font-size: 2.66667vw;
    padding-left: 0.66667vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .theme {
    font-size: 3.2vw;
    margin-bottom: 1.86667vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list {
    margin-bottom: 0.93333vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list .date {
    font-size: 2.66667vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list .column {
    height: 1.33333vw;
    border-radius: 0.66667vw;
    margin: 0.26667vw 1.33333vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list .column.animated {
    width: 18vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list .num {
    font-size: 3.2vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list:last-child .column.animated {
    width: 13.33333vw;
  }
  .sec_serve .block .cont .info .datas .row .cylinder .list:last-child .num {
    font-size: 2.66667vw;
  }
  .sec_serve .block .cont .info .datas .row:last-child .cylinder .list .column.animated {
    width: 33.6vw;
  }
  .sec_serve .block .cont .info .datas .row:last-child .cylinder .list:last-child .column.animated {
    width: 25.06667vw;
  }
  .sec_serve .block1 .cont .info {
    width: 100%;
  }
  .sec_serve .block1 .cont .info .datas .row:nth-child(2) {
    margin-bottom: 0;
  }
  .sec_serve .block1 .cont .info .ctrl {
    display: none;
  }
  .sec_serve .block1 .cont .earth {
    position: relative;
    width: 100vw;
    overflow-x: hidden;
  }
  .sec_serve .block1 .cont .earth #mountNode,
  .sec_serve .block1 .cont .earth #floor {
    position: relative;
    top: 0;
    right: 0;
    width: 80vw;
    height: 80vw;
    margin: 0 auto;
    overflow: hidden;
  }
  .sec_serve .block1 .cont .earth .picimg {
    position: relative;
    width: 125%;
    margin-top: 5.33333vw;
    right: 0;
    margin-left: -10%;
  }
  .sec_serve .block1 .cont .ctrl {
    padding-top: 0;
    white-space: nowrap;
    display: flex;
    justify-content: space-between;
    margin-bottom: 7.33333vw;
    border-radius: 6.66667vw;
    box-shadow: 0 0.66667vw 2.66667vw 0 rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 2.66667vw;
  }
  .sec_serve .block1 .cont .ctrl .card {
    min-width: 20.8vw;
    padding: 2vw;
    height: auto;
    min-height: 8vw;
    border-radius: 0;
    font-size: 2.66667vw;
    margin-right: 0;
    border: 0;
  }
  .sec_serve .block1 .cont .ctrl .card span {
    text-align: center;
    white-space: normal;
  }
  .sec_serve .block1 .cont .ctrl .card.active {
    color: #C7000B;
    background-color: #fff;
  }
  .sec_serve .block1 .maptabel {
    display: none;
  }
  .sec_serve .block1 .maptabel .map-number {
    max-width: 100%;
    margin-top: 0.66667vw;
  }
  .sec_serve .block2 .cont .info {
    width: 100%;
  }
  .sec_serve .block2 .cont .info .linkarr {
    margin-bottom: 0;
  }
  .sec_serve .block2 .cont .right {
    position: relative;
    width: 100%;
  }
  .sec_serve .block2 .cont .right .blockimage {
    position: relative;
    width: 160%;
    height: auto;
    top: 0;
    right: 0;
    margin-top: 8vw;
    margin-left: -58%;
  }
  .sec_serve .block2 .cont .right .blockimage img {
    width: 100%;
    height: auto;
  }
  .sec_serve .block2 .cont .right .blockimage .label {
    white-space: nowrap;
    font-size: 2.13333vw;
  }
  .sec_serve .block2 .cont .right .blockimage .label.label1 {
    right: 45%;
  }
  .sec_serve .block2 .cont .right .blockimage .label.label3 {
    right: 47%;
  }
  .sec_serve .block3 .cont .info {
    width: 100%;
  }
  .sec_serve .block3 .cont .info .datas .row .number {
    width: 45%;
  }
  .sec_serve .block3 .cont .info .datas .row .number:last-child {
    width: auto;
  }
  .sec_serve .block3 .cont .right {
    position: relative;
    width: 100%;
  }
  .sec_serve .block3 .cont .right .blockimage {
    position: relative;
    width: 100%;
    top: 0;
    right: 0;
    margin-top: 8vw;
  }
  .sec_serve .block3 .cont .right .blockimage img {
    width: 100%;
  }
  .sec_secure {
    width: 100%;
    padding: 13.33333vw 0;
    background-image: url("https://res-static.hc-cdn.cn/cloudbu-site/china/zh-cn/about/overview/images/sec-secure-bg-mb.png");
    background-size: 100% auto;
    background-position: center 9.33333vw;
    background-repeat: no-repeat;
    overflow-x: hidden;
  }
  .sec_secure .intro {
    font-size: 2.66667vw;
    margin-top: 2.66667vw;
    margin-bottom: 13.33333vw;
  }
  .sec_secure .intro .linkarr {
    display: flex;
    font-size: 2.66667vw;
    font-weight: bold;
    margin-top: 1.6vw;
  }
  .sec_secure .cont {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .sec_secure .cont .box {
    padding: 6.66667vw 4vw;
    box-shadow: 0 0.26667vw 4vw 0 rgba(0, 0, 0, 0.06);
  }
  .sec_secure .cont .box .title {
    font-size: 3.73333vw;
  }
  .sec_secure .cont .box .stitle {
    font-size: 3.2vw;
  }
  .sec_secure .cont .box .text {
    font-size: 2.66667vw;
    line-height: 1.5;
    margin-top: 2vw;
    text-align: justify;
  }
  .sec_secure .cont .box .img {
    position: absolute;
    width: 40%;
    top: -5.33333vw;
    right: 0;
  }
  .sec_secure .cont .left {
    width: 100%;
  }
  .sec_secure .cont .left .block {
    margin-bottom: 5.33333vw;
  }
  .sec_secure .cont .left .head {
    width: 55%;
  }
  .sec_secure .cont .left .foot {
    width: 100%;
  }
  .sec_secure .cont .left .foot .item {
    width: 47%;
  }
  .sec_secure .cont .right {
    width: 100%;
  }
  .sec_secure .cont .right .box {
    margin-top: 13.33333vw;
  }
  .sec_secure .cont .right .title {
    margin-bottom: 6.66667vw;
  }
  .sec_secure .cont .right .stitle {
    font-size: 2.66667vw;
  }
  .sec_secure .cont .right .logos {
    margin: 2.66667vw 0 4.66667vw;
  }
  .sec_secure .cont .right .logos .pcele {
    display: block;
  }
  .sec_secure .cont .right .logos .mbele {
    display: none;
  }
  .sec_secure .cont .right .logos .lname {
    font-size: 1.86667vw;
    margin-top: 1.86667vw;
  }
  .sec_secure .cont .right .foot {
    width: 100%;
  }
  .sec_secure .cont .right .foot .stitle {
    width: 44%;
    font-size: 2.66667vw;
    line-height: 1.5;
  }
  .sec_secure .cont .right .foot .stitle:last-child {
    width: 52%;
  }
  .sec_secure .more_btn {
    margin-top: 8vw;
  }
  .sec_case {
    width: 100%;
    padding: 13.33333vw 0;
    overflow-x: hidden;
  }
  .sec_case .intro {
    font-size: 2.66667vw;
    margin-top: 2.66667vw;
  }
  .sec_case .intro span {
    display: inline;
  }
  .sec_case .cont {
    margin-top: 8vw;
  }
  .sec_case .cont .row {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
  }
  .sec_case .cont .row .item .mask {
    padding: 4vw;
    height: 80%;
  }
  .sec_case .cont .row .item .mask .label {
    font-size: 2.66667vw;
    margin-bottom: 2.26667vw;
  }
  .sec_case .cont .row .item .mask .title {
    font-size: 3.73333vw;
    margin-bottom: 2.4vw;
  }
  .sec_case .cont .row .item .mask .info {
    font-size: 2.66667vw;
  }
  .sec_case .cont .row .item .mask .bbox {
    display: none;
    height: auto;
    opacity: 1;
  }
  .sec_case .cont .row .item .mask .bbox .linkarr {
    margin-top: 2.4vw;
    font-size: 2.4vw;
  }
  .sec_case .cont .row .item:hover .mask {
    height: 80%;
  }
  .sec_case .cont .row .item:hover .mask .bbox {
    height: auto;
  }
  .sec_case .cont .top .item {
    width: 100%;
    height: 51.73333vw;
  }
  .sec_case .cont .top .item:last-child {
    width: 100%;
    margin-top: 2.66667vw;
  }
  .sec_case .cont .bottom {
    margin-top: 2.66667vw;
  }
  .sec_case .cont .bottom .item {
    width: 48.55%;
    height: 54.4vw;
    margin-bottom: 2.66667vw;
  }
  .sec_case .cont .bottom .item .mask {
    padding: 4vw;
  }
  .sec_case .cont .bottom .item .mask .label {
    margin-bottom: 2.66667vw;
  }
  .sec_case .cont .bottom .item .mask .info {
    font-size: 3.2vw;
  }
  .sec_case .more_btn {
    margin-top: 5.33333vw;
  }
  .sec_brand {
    width: 100%;
  }
  .sec_brand .iframe {
    width: 100vw;
    height: 165.33333vw;
  }
  .sec_contact {
    width: 100%;
    padding-bottom: 13.33333vw;
    overflow-x: hidden;
  }
  .sec_contact .title {
    font-size: 3.73333vw;
    line-height: 1;
    margin-bottom: 3.86667vw;
  }
  .sec_contact .cont {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .sec_contact .cont .left {
    width: 100%;
    margin-bottom: 8vw;
    display: flex;
    justify-content: space-between;
  }
  .sec_contact .cont .left .item {
    font-size: 2.66667vw;
  }
  .sec_contact .cont .left .text:first-child {
    margin-right: 0;
  }
  .sec_contact .cont .left .text:nth-child(2) {
    margin-right: 4vw;
  }
  .sec_contact .cont .left .linkarr {
    margin-left: 0;
  }
  .sec_contact .cont .left .linkarr:last-child {
    margin-left: 5.33333vw;
  }
  .sec_contact .cont .right {
    width: 100%;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
  }
  .sec_contact .cont .right .explain {
    width: 100%;
    font-size: 3.73333vw;
    text-align: left;
  }
  .sec_contact .cont .right .qrcode {
    width: 100%;
    margin-left: 0;
    margin-top: 4vw;
    display: flex;
    justify-content: space-between;
  }
  .sec_contact .cont .right .qrcode .box {
    position: relative;
    display: inline-flex;
    flex-direction: column-reverse;
    vertical-align: top;
    margin-right: 0;
  }
  .sec_contact .cont .right .qrcode .box .text {
    position: static;
    font-size: 2.66667vw;
    transform: none;
    text-align: center;
    margin-top: 2.53333vw;
  }
  .sec_contact .cont .right .qrcode .box .img {
    width: 18.66667vw;
    height: 18.66667vw;
  }
}

@media screen and (max-width: 750px) {
  .sec_secure .cont .right .logos .pcele,
  .sec_secure .cont .right .logos .lname {
    display: none;
  }
  .sec_secure .cont .right .logos .mbele {
    display: block;
  }
  #nodes > div.node > .label .label-text {
    font-size: 8px;
  }
}

@media screen and (max-width: 400px) {
  .sec_secure {
    background-position: center 65px;
  }
}