html, body {
    width: 100%;
    font-family: -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimSun, "Segoe UI", Roboto, sans-serif;
}

/*公共样式*/
.img {
    width: 100%;
    height: 100%;
}

.font_color {
    color: #c8161e;
}
.redcolor {
    color: #c8161e;
}

.font_size {
    font-size: 26px;
}

.title_text_distance{
    padding-left: 9px;
}
/*内容样式*/
.banner {
    width: 100%;
    cursor: pointer;
}

.main {
    width: 1200px;
    margin: 0 auto;
}

.title_bg {
    position: relative;
    width: 602px;
    height: 70px;
    margin: 79px auto 39px;
    background: url("../images/title_bg.png?v=1") center center;
    background-size: contain;
}

.winter_title_text{
    width: 160px;
    position: absolute;
    left: 50%;
    top: 50%;
    font-size: 30px;
    color: #FFFFFF;
    letter-spacing: -2.69px;
    line-height: 42px;
    margin-top: -21px;
    margin-left: -86px;
}

.winter_class_pro{
    width: 915px;
    margin: 0 auto;
}

.winter_class_left {
    display: inline-block;
    margin-right: 63px;
    vertical-align: top;
    padding-top: 30px;
    box-sizing: border-box;
}

.winter_class_text_top {
    width: 320px;
    font-size: 18px;
    letter-spacing: 1px;
    line-height: 36px;
    margin-bottom: 18px;
}

.winter_class_text_bottom {
    width: 384px;
    font-size: 18px;
    color: #000000;
    letter-spacing: 1px;
    line-height: 36px;
}

.winter_class_right {
    display: inline-block;
    width: 463px;
    height: 342px;
}

/*winter_button*/
.winter_button{
    display: block;
    color: #fff;
    font-size: 20px;
    width: 380px;
    height: 65px;
    line-height: 46px;
    border: none;
    border-radius: 30px;
    text-align: center;
    margin: 20px auto;
    position: relative;
    padding-top: 20px;
    cursor: pointer;
}
.winter_button_action{
    width: 380px;
    height: 46px;
    /*position: absolute;*/
    z-index: 9;
    animation:backmove 2s infinite;
    border-radius: 30px;
    background: #7aba7b;
}
.winter_button_show{
    width: 380px;
    height: 46px;
    position: absolute;
    top: 30px;
    left: 10px;
    z-index: 10;
    background: #C8161E;
    border-radius: 30px;
}
.winter_button:hover .winter_button_action{
    display: none;
}
@keyframes backmove {
    0% {
        width: 380px;
        height: 45px;
        background: rgba(200, 22, 30, 0.8);
        margin-left: 10px;
        margin-top: 10px;
    }
    100% {
        width: 400px;
        height: 65px;
        background: rgba(200, 22, 30, 0);
        margin-left: 0px;
        margin-top: 0px;
    }

}


/*课程设置*/
.class_set{
    width: 100%;
    padding-top: 113px;
    padding-bottom: 146px;
    background: url("../images/red_bg_pc.png") no-repeat center center;
    background-size: cover;
    margin-top: 20px;
}
.class_set_title{
    width: 100%;
    text-align: center;
    font-size: 40px;
    color: #FFFFFF;
    letter-spacing: 1.48px;
    line-height: 60px;
}
.class_set_pro{
    width: 100%;
    text-align: center;
    font-size: 20px;
    color: #FFFFFF;
    letter-spacing: 0.99px;
    line-height: 30px;
    margin-bottom: 65px;
}
.class_set_list{
    width: 1200px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}
.class_set_list li{
    width: 130px;
}
.class_set_list li .list_img{
    width: 126px;
    height: 90px;
}
.list_title{
    font-size: 30px;
    color: #FFFFFF;
    letter-spacing: 1.48px;
    line-height: 45px;
    margin-bottom: 10px;
}
.class_set_list li p{
    font-size: 20px;
    color: #FFFFFF;
    letter-spacing: 0.99px;
    line-height: 30px;
}

/*20天带练计划*/
/*21代练计划开始*/
 .floatL {
    float: left;
}
 .floatR {
    float: right;
}
 .redbg {
    background: #c8161e;
}
 .practiceplan-middle {
    position: relative;
    padding-top:5px;
    margin:0 auto 50px;
    width:980px;
    height:110px;
    overflow: hidden;
}
.practiceplan-middle li {
    padding:25px 20px 0 30px;
    width:170px;
    height:75px;
    color:#fff;
    border-radius:10px;
    -webkit-border-radius:10px;
    -o-border-radius:10px;
    -moz-border-radius:10px;
    -ms-border-radius:10px;
}
.practiceplan-middle li h3 {
    margin-bottom:5px;
    font-size:20px;
    font-weight: normal;
}
.practiceplan-middle li p {
    font-size:16px;
    line-height: 25px;
}
.practiceplan-middle li.difference {
    position: absolute;
    top:0;
    left:50%;
    margin-left:-170px;
    padding-top:20px;
    width:340px;
    height:95px;
}
.practiceplan-bottom {
    position: relative;
    width: 1200px;
    margin: 0 auto;
}
 .practiceplan-bottom ul li {
    margin-bottom:50px;
    padding-left:45px;
    width:315px;
    height:auto;
}
.practiceplan-bottom ul li .li-top {
    margin-bottom:5px;
    padding-left:35px;
    font-size:20px;
    background: url(https://www.guixue.com/p/nationalday/images/dir.jpg?t=828) no-repeat 0 center;
}
.practiceplan-bottom ul li p {
    margin-left:35px;
    width:230px;
    height:auto;
    font-size:15px;
    line-height: 22px;
}
.practiceplan-bottom .practiceplan-b-img {
    position: absolute;
    top:0;
    left:50%;
    margin-left:-179px;
    width:358px;
    height:268px;
}
/*21代练计划结束*/

/*知名老师授课*/
.winter_mingshi_list{
    width: 1057px;
    margin: 0 auto 33px;
    font-size: 0;
}
.winter_mingshi_list li{
    display: inline-block;
    position: relative;
    width: 209px;
    height: 408px;
    margin-right: 73px;
}
.winter_mingshi_list li:nth-of-type(1){
    background: url("../images/gjr.png") center center;
    background-size: cover;
}
.winter_mingshi_list li:nth-of-type(2){
    background: url("../images/zh.png") center center;
    background-size: cover;
}
.winter_mingshi_list li:nth-of-type(3){
    background: url("../images/zhangqiang.png?v=2") center center;
    background-size: cover;
}
.winter_mingshi_list li:nth-of-type(4){
    background: url("../images/wtt.png") center center;
    background-size: cover;
    margin-right: 0;
}
.winter_mingshi_list li .winter_mingshi_title{
    font-size: 14px;
    color: #C8161E;
    letter-spacing: 0;
    position: absolute;
    top: 232px;
    right: 5px;
}
.winter_mingshi_list li .winter_mingshi_name{
    font-size: 20px;
    color: #FFFFFF;
    line-height: 20px;
    position: absolute;
    top: 230px;
   left: 18px;
}
.winter_mingshi_list li .winter_mingshi_text{
    width: 174px;
    font-size: 14px;
    color: #FFFFFF;
    text-align: left;
    line-height: 22px;
    position: absolute;
    top: 261px;
    left: 18px;
}

/*报名须知*/
.winter_baoming{
    width: 1025px;
    margin: 0 auto 60px;
}
.winter_baoming_left{
    width: 792px;
    float: left;
    font-size: 17px;
    color: #222222;
    /*letter-spacing: -1.52px;*/
    text-align: left;
    line-height: 40px;
}
.winter_baoming_right{
    float: left;
    width: 233px;
    height: 175px;
}
/*学生反馈*/
.winter_feedback{
    width: 1025px;
    height: auto;
    margin: 0 auto 60px;
}