body {
  background-color: #0c132f;   
}
.main {
  width: 1200px;
  margin: 0 auto;
  margin-top: -150px;
  overflow: hidden;
}
.main section {
  margin-bottom: 80px;
  margin-top: 142px;
}
a:hover {
  cursor: pointer;
}
header {
  background: url(/2020/DCICHF/images/header.png?v1=1) no-repeat top center;
  height: 811px;
  min-width: 1200px;
}
header a {
  display: block;
  width: 163px;
  height: 53px;
  margin: 0 auto;
  position: relative;
  top: 280px;
  background: url(/2020/DCICHF/images/btn.png) no-repeat top center;
  font-size: 20px;
  color: #ffff;
  text-align: center;
  line-height: 53px;
  text-decoration-line: none;
}
.container-header-common {
  background: url(/2020/DCICHF/images/header-common.png) no-repeat top center;
  text-align: center;
  font-size: 35px;
  line-height: 35px;
  color: #1efbff;
  margin-bottom: 60px;
}
.container-header {
  background: url(/2020/DCICHF/images/container-header.png) no-repeat top center;
  height: 70px;
}
.container-footer {
  background: url(/2020/DCICHF/images/container-footer.png) no-repeat top center;
  height: 63px;
}

#introduce .container {
  width: 880px;
  border: 2px solid #22dffc;
  border-top: none;
  border-bottom: none;
  margin: 0 auto;
  padding: 0 35px;
}
#introduce h3 {
  font-size: 30px;
  text-align: center;
  color: #ffffff;
  text-shadow: -2px 2px 2px #4bc1d5;
  margin-bottom: 25px;
}
#introduce p {
  font-size: 20px;
  color: #c2c7e3;
  line-height: 35px;
  text-indent: 2em;
  letter-spacing: 0.4px;
}
.plan-title {
  background: url(/2020/DCICHF/images/title-plan.png) no-repeat top center;
  height: 38px;
}
.sign-title {
  background: url(/2020/DCICHF/images/sign-title.png) no-repeat top center;
  height: 35px;
}
.mode-title {
  background: url(/2020/DCICHF/images/mode-title.png) no-repeat top center;
  height: 36px;
}
.org-title {
  background: url(/2020/DCICHF/images/org-title.png) no-repeat top center;
  height: 36px;
}
.contact-title {
  background: url(/2020/DCICHF/images/contact-title.png) no-repeat top center;
  height: 36px;
}
.media-title{
  background: url(/2020/DCICHF/images/media-title.png) no-repeat top center;
  height: 36px;
}
.media-des{
  width:1200px;
  margin:0 auto;
  height:354px;
}
.media-des img{
  width:100%;
  height:auto;
}
.mode-main {
  float: right;
  width: 50%;
}
.mode-info .title {
  border-left: 6px solid #21d8ff;
  padding-left: 10px;
}
.mode-info .container {
  margin-bottom: 40px;
  width: 500px;
}
.mode-info h3 {
  font-size: 28px;
  color: #21d8ff;
  margin-bottom: 14px;
}
.mode-info em {
  font-size: 18px;
  color: #d0f7ff;
}
.mode-main p {
  font-size: 14px;
  line-height: 24px;
  padding-left: 16px;
  color: #d0f7ff;
  margin-top: 25px;
}
.prizes-title {
  background: url(/2020/DCICHF/images/prize-title.png) no-repeat top center;
  height: 36px;
}
.unit {
  padding-left: 120px;
  background: url(/2020/DCICHF/images/icons.png) no-repeat top left;
  height: 84px;
  padding-top: 30px;
  margin-bottom: 35px;
}
.unit h3 {
  font-size: 20px;
  color: #21d8ff;
  margin-bottom: 15px;
}
.unit ul {
  overflow: hidden;
}
.unit li {
  float: left;
  font-size: 14px;
  color: #d0f7ff;
  width: 300px;
  line-height: 24px;
}
.unit2 {
  background-position: 0 -150px;
}
.unit3 {
  background-position: 0 -298px;
}
.unit4 {
  background-position: 0 -445px;
}
.unit5 {
  background-position: 0 -710px;
  width: 600px;
}
.unit6 {
  background-position: 0 -579px;
}
.unit7 {
  background: url(/2020/DCICHF/images/support-unit.png) top left no-repeat;
}
#contact li {
  font-size: 20px;
  line-height: 24px;
  color: #21d8ff;
  float: left;
}
.signup-info {
  width: 491px;
  float: right;
  position: relative;
  margin-right: 100px;
  top: 45px;
}
.signup-info > div {
  display: none;
}
.signup-info header {
  height: 30px;
  background: url(/2020/DCICHF/images/bm-bg-header.png) top left no-repeat;
}
.signup-info footer {
  height: 30px;
  background: url(/2020/DCICHF/images/bm-bg-footer.png) top left no-repeat;
}
.signup-info .container {
  background: url(/2020/DCICHF/images/bm-bg-main.png) repeat-y;
  padding: 0 30px;
}
.signup-info .container p {
  text-indent: 2em;
  font-size: 14px;
  line-height: 24px;
  color: #24bbf2;
  padding-bottom: 20px;
}
.signup-info h3 {
  color: #1efcff;
  font-size: 30px;
  margin-bottom: 20px;
  padding-left: 24px;
}

.signup-list {
  width: 391px;
  height: 391px;
  background: url(/2020/DCICHF/images/earth-bg.png);
  position: relative;
  float: left;
  margin-left: 90px;
}
.signup-list li {
  display: block;
  width: 173px;
  height: 173px;
  background: url(/2020/DCICHF/images/earth.png) center center no-repeat;
  position: absolute;
  text-align: center;
}
.signup-list .active {
  background: url(/2020/DCICHF/images/earch-hover.png) center center no-repeat;
}
.signup-list a {
  background: url(/2020/DCICHF/images/icon2.png) no-repeat center center;
  padding-top: 45px;
  position: relative;
  top: 107px;
  font-size: 18px;
  color: #1efcff;
  font-weight: bold;
  text-decoration: none;
}
.signup-list .person {
  top: -80px;
  left: 72px;
}
.person a {
  background-position-y: 0;
}
.signup-list .introduce {
  
  top: 203px;
  left: -77px;
}
.introduce a {
  background-position-y: -444px;
}
.signup-list .form {
  left: 242px;
  top: 248px;
}
.form a {
  background-position-y: -266px;
}
.signup-list .team-conter {
  top: 300px;
  left: 69px;
}
.team-conter a {
  background-position-y: -355px;
}
.signup-list .sign-introduce {
  left: 323px;
  top: 102px;
}
.sign-introduce a {
  background-position-y: -88px;
}
.signup-list .timer {
  left: -88px;
  top: 21px;
}
.timer a {
  background-position-y: -530px;
}
.signup-list .team {
  top: -41px;
  left: 243px;
}
.team a {
  background-position-y: -178px;
}
.signup-container {
  overflow: hidden;
  padding: 87px 0;
  position: relative;
  top: -50px;
}
.plan-container {
  text-align: center; 
  margin-top: -55px
}
.plan-container img {
  position: relative; 
  left: -16px;
}
footer p{
  font-size: 16px;
  color: #e8fbff;
  background-color: #050a22;
  padding: 24px 0;
  text-align: center;
  min-width: 1200px;
}

.side-nav {
  width: 124px;
  position: fixed;
  right: 10px;
  bottom: 100px;
}
.side-nav li {
  margin-bottom: 10px;
}
.side-nav a {
  display: block;
  width: 102px;
  height: 34px;
  border: 1px solid #078ca1;
  background-color: #192348;
  font-size: 14px;
  line-height: 34px;
  color: #65fcfe;
  text-align: center;
  text-decoration: none;
  margin: 0 auto;
}
.side-nav a:hover {
  border: 1px solid transparent;
  background: url(/2020/DCICHF/images/side-nav-hover.png) center center no-repeat;
  width: 122px;
  height: 34px;
}
.prize-extra {
  font-size: 14px;
  color: #d0f7ff;
  text-align: center;
  display: block;
  position: relative;
  top: -60px;
}
#contact li span {
  padding-left: 58px;
}
.top1_img img{
  width:100%;
  height:auto;
}<!--ºÄʱ1777220868.5927Ãë-->