html,body,img {
    margin: 0;
    padding: 0
}
html,body,p{
    font-weight: normal;
    font-family: "MicrosoftYaHei";
}

body{
    min-width: 1200px;
}

.details{
    width: 100%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover; 
    overflow: hidden;
}
.header {
    height: 901px;
    background-image: url(../img/banner.jpg);
} 
.header .logo{
    width: 602px;
    height: 393px;
    background-image: url(../img/banner-cap.png);
    background-repeat: no-repeat;
    margin: 103px auto;
}
.online{
    height: 1000px;
    background-image: url(../img/bg1.jpg);
}
.online .summary{
    width: 966px;
    height: 120px;
    line-height: 48px;
    font-size: 24px;
    font-weight: 400;
    color: white;
    margin: 70px auto 0;
}
.theme{
    height: 778px;
    background-image: url(../img/bg2.jpg);
}
.offline{
    height: 1245px;
    background-image: url(../img/bg3.jpg);
}
.footer{
    height: 245px;
    background-image: url(../img/bg4.jpg);
}
.details .content{
    width: 1145px;
    margin-left: auto;
    margin-right: auto;
}
.online .content{
    height: 754px;
    background-image: url(../img/online-bg.png);
    margin-top: 90px;
}
.theme .content{
    height: 728px;
    background-image: url(../img/theme-bg.png);
    margin-top: 25px;
}
.offline .content{
    height: 1258px;
    background-image: url(../img/offline-bg.png);
    margin-top: 20px;
}
.content p {
    color: #121212;
    font-size: 20px;
    position: relative;
    font-weight: 400;
}
.content span {
    font-size: 16px;
    color: #000000;
    position: relative;
    font-weight: 400;
    display: inline-block;
}
.content .time {
    position: relative;
    top: 165px;
    margin: 0 auto;
    display: block;
}
.online .content img {
    position: relative;
}
.online .content .wayTitle {
    top: 155px;
    left: 145px;
}
.online .content .prizeTitle {
    top: 155px;
    left: 55px;
}
.online .content .way {
    width: 340px;
    top: 327px;
    right: 154px;
    line-height: 40px;
    display: inline-block;
}
.online .content .prize {
    top: 207px;
    right: 168px;
    display: inline-block;
}
.online .content .wechat1 {
    top: 372px;
    left: 635px;
}
.online .content .wechat2 {
    top: 372px;
    left: 700px;
}
.theme .content .wayTitle {
    margin: 0 auto;
    display: block;
    position: relative;
    top: 203px;
}
.theme .content .way {
    width: 650px;
    top: 220px;
    margin: 0 auto;
    line-height: 36px;
}
.theme .content .wechat {
    width: 197px;
    top: 402px;
    display: block;
    margin: 0 auto;
}
.offline .content p {
    width: 671px;
    margin: 0 auto;
    line-height: 36px;
}
.offline .content .modality {
    top: 225px;
}
.offline .content .way {
    top: 300px;
}
.offline .content img:not(.time) {
    display: block;
    width: 265px;
    margin: 0 auto;
    position: relative;
}
.offline .content .modalityTitle {
    top: 206px;
}
.offline .content .wayTitle {
    top: 280px;
}
.offline .content .reviewTitle {
    top: 365px;
}