*{
    margin: 0;
    padding: 0;
}
body{
	margin: 0px 0px;
	padding: 0px;
	background-color: white;
      
}
button:hover{
    cursor: pointer;
}
.Hr{
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-wrap: nowrap;
    align-items: center;
}

.hr{
    width: 100px;
    height: 5px;
    background-color: #48A6E9;
    text-align: center;
    border-radius: 10px;
}

.Text{
	display: flex;
	justify-content: center;
}
.Text .aboutText{
    width: 500px;
    height: 300px;
    margin: 50px;
    border: 1px solid white;
    padding: 30px;
    box-shadow:15px 1px 24px rgba(0, 0, 0, 0.05);
}
.Text .aboutText h1{
    text-align: center;
}
.Text .aboutText hr{
    width: 50px;
}
.Text .aboutText p{
    color: gray;
}

.main{
    display: flex;
}
.main .taolun{
    margin-top: 50px;
    width: 550px;
    height: 335px;
    padding: 20px;
    background-color: #fff;
    box-shadow: 15px 17px 24px 20px rgba(0, 0, 0, 0.05);
}
.main .taolun .me{
    width: 510px;
    height: 30px;
    padding: 20px;
    border: 1px solid black;
}
.main .taolun .me h3{
    background-color: #fff;
    display: inline;
    position: relative;
    top: -33px;
}
.main .taolun .me p{
    display: inline;
    margin-left: 10px;
}
.main .taolun .all{
    width: 510px;
    height: 100px;
    padding: 20px;
    margin-top: 5px;
    border: 1px solid black;
    overflow: auto;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-content: flex-start;
    justify-content: flex-start;
}
.main .taolun .all .user{
    width: 100%;
    height: 30px;
    margin-top: 10px;
    display: flex;

}
.main .taolun >span{
    display: inline;
    background-color: #fff;
    position: relative;
    top: 18px;
    left: 22px;
}
.main .taolun .user .userImg{
    width: 25px;
    height: 25px;
    border-radius: 50%;
    border: 1px solid black;
    overflow: hidden;
}
.main .taolun .all .user>span{
    margin: 4px;
}

.main .taolun .user .userImg img{
    width: 25px;
    height: 25px;
}
.main .taolun .user p{
    margin-left: 40px;
    margin-top: 10px;
}
.main .taolun input{
    width: 550px;
    height: 40px;
} 
.main .taolun textarea{
    min-height:70px;
    min-width:550px;
    max-height:70px;
    max-width:550px;
}
.main .taolun button{
    width: 50px;
    height: 30px;
    background-color: #48A6E9;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    color: white;s
}

.timeTree{
	display: flex;
	justify-content: center;
}

.timeTree .wrap{
    width: 1000px;
    position: relative;
    top: 100px;

}

.timeTree  .wrap::after{
    content: "";
    /* 绝对定位 */
    position: absolute;
    top: -100px;
    left: 50%;
    width: 5px;
    z-index: -999;
    height: 1000px;
    background-color: rgba(0, 0, 0, 0.5);

}

.timeTree .box{
    position: relative;
    width: 100%;
    height: 120px;
    margin-bottom: 50px;
    display: flex;  
    justify-content: space-between;
}

.timeTree .left,.right{
    position: relative;
    width: 40%;
    height: 120px;
    border-radius: 15px;
    color: rgb(0, 0, 0);
    text-align: center;
}

/* 页面范围内偶数的匹配元素 */
.timeTree .box:nth-child(odd) .left{
    background-color: rgba(255, 255, 255,.4);
	box-shadow:15px 1px 24px rgba(0, 0, 0, 0.05);
}


/* 页面范围内奇数的匹配元素 */
.timeTree .box:nth-child(even) .right{
    background-color: rgba(255, 255, 255,.4);
	box-shadow:15px 1px 24px rgba(0, 0, 0, 0.05);
}

.timeTree .center{
    width: 15%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.timeTree .center > span{
    width: 120px;
    border-radius: 10px;
    text-align: center;
    font: 900 24px '';
    line-height: 50px;
    background-color: #fff;
	box-shadow:15px 1px 24px rgba(0, 0, 0, 0.05);
}