/* 头部图片 */
.t {
    width:100%;
}
.t>img{
    width: 100%;
}

/* 导航 */
.nav1 {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: center;
    background-color: #F5F5F5;
    height: 68px;
}

.nav2 {
    height: 68px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.nav2 li {
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav1 li span {
    font-family: MicrosoftYaHei;
    font-weight: normal;
    color: #333333;
    font-size: 18px;
    /*letter-spacing: 40;*/
}

.nav1 li span:hover {
    color: #D50808;
    padding: 0 0 20px 0;
    border-bottom: 3px solid #D50808;
    cursor: pointer;
}

/* 关于梦畅 */
.mc {
    display: flex;
    /* align-items: center; */
    flex-direction: column;
    justify-content: flex-start;
    margin-bottom: 80px;
}

.titel {
    font-family: MicrosoftYaHei-Bold;
    font-weight: Bold;
    color: #333333;
    font-size: 22px;
    letter-spacing: 40;
    line-height: 34px;
    margin-top: 60px;
}

.titel-centent {
    font-family: MicrosoftYaHei;
    font-weight: Regular;
    color: #6A6A6A;
    font-size: 16px;
    letter-spacing: 40;
    line-height: 34px;
}

.titel2 {
    font-family: MicrosoftYaHei-Bold;
    font-weight: Bold;
    color: #333333;
    font-size: 22px;
    letter-spacing: 40;
    line-height: 34px;
    margin-top: 40px;
}

.demo {
    margin-top: 35px;
}

.demo p {
    font-family: MicrosoftYaHei;
    font-weight: Regular;
    color: #333333;
    font-size: 16px;
    letter-spacing: 40;
    line-height: 34px;
}

.demo span {
    font-family: MicrosoftYaHei;
    font-weight: Regular;
    color: #6A6A6A;
    font-size: 16px;
    letter-spacing: 40;
    line-height: 34px;
}

.demo table {
    border-collapse: collapse;
    width: 1080px;
    margin-bottom: 0px;
    margin-top: 0px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
    font-family: MicrosoftYaHei;
    font-weight: Regular;
    color: #333333;
    font-size: 16px;
    letter-spacing: 100;
}

.top {
    position: fixed;
    right: 0;
    top: 620px;
    background-color: #D50808;
    border-radius: 4px 0px 0px 4px;
    width: 64px;
    height: 164px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.top p {
    font-family: SourceHanSansCN-Normal;
    font-weight: Normal;
    color: #FFFFFF;
    font-size: 16px;
    letter-spacing: 260;
}