/* 主要容器 */
.backContainer {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 消息页 */
.backContainer .message {
    width: 500px;
    height: 100%;
    background-color: #ECECEC;
    box-shadow: 0 0 10px rgba(0, 0, 0, .5);
    position: relative;
}
.backContainer .message ul {
    width: 100%;
    height: 100%;
    overflow-y: scroll;
}
.backContainer .message ul::-webkit-scrollbar { display: none; }
.backContainer .message ul li:nth-child(1), .backContainer .message ul li:nth-child(2),
.backContainer .message ul li:nth-child(3)
{ background-color: #EDEDED; }
.backContainer .message ul li {
    width: 100%;
    height: 75px;
    display: flex;
    align-items: center;
    background-color: #FFF;
}
.backContainer .message ul li .headPic {
    width: 55px;
    height: 55px;
    border-radius: 5px;
    overflow: hidden;
    margin-left: 10px;
}
.backContainer .message ul li .headPic img { width: 100%; height: 100%; }
.backContainer .message ul li .mainContent {
    width: 400px;
    height: 100%;
    margin-left: 10px;
    border-bottom: 1px solid #DDDDDD;
    position: relative;
}
.backContainer .message ul li .mainContent .name {
    width: 220px;
    height: 30px;
    line-height: 30px;
    margin-top: 10px;
    color: #171717;
    font-weight: 540;
    text-align: left;
}
.backContainer .message ul li .mainContent .content {
    width: 260px;
    height: 23px;
    font-size: 13px;
    line-height: 23px;
    color: #AAAAAA;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.backContainer .message ul li .mainContent .date {
    position: absolute;
    right: 0;
    top: 10px;
    font-size: 12px;
    color: #AAAAAA;
}

/* 顶部标题 */
.backContainer .message .topTitle {
    width: 100%;
    height: 45px;
    text-align: center;
    line-height: 45px;
    border-bottom: 1px solid #D7D7D7;
    font-weight: bold;
    color: #404040;
    position: relative;
}

/* 搜索和添加 */
.backContainer .message .topTitle .tools {
    width: 80px;
    height: 100%;
    position: absolute;
    right: 5px;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.backContainer .message .topTitle .tools .iconfont { font-size: 23px; font-weight: 100; cursor: pointer; }

/* 消息列表 */
.backContainer .message .messageList {
    position: absolute;
    top: 45px;
    bottom: 60px;
    left: 0;
    right: 0;
}

/* 底部导航 */
.backContainer .message .bottomNav {
    width: 100%;
    height: 60px;
    border-top: 2px solid #EDEDED;
    background-color: #F6F6F6;
    position: absolute;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.backContainer .message .bottomNav .item {
    width: 60px;
    height: 60px;
    text-align: center;
    color: #161616;
    cursor: pointer;
}
.backContainer .message .bottomNav .item:first-child > * { color: #06C05F; }
.backContainer .message .bottomNav .item .iconfont {
    margin-top: 10px;
    font-size: 30px;
    font-weight: 100;
}
.backContainer .message .bottomNav .item span {
    display: block;
    font-size: 14px;
}