chat/_src/components/panel/panel.scss

.c-panel{
  position: relative;
  z-index: 1;
  width: 350px;
  height: 100%;
  background: #34363c;
}
.c-panel-header{
  position: relative;
  z-index: 2;
  width: 66px;
  height: 100%;
  float: left;
  background: #2d2f34;
  .avatar-wrap{
    width: 50px;
    height: 50px;
    border-radius: 3px;
    overflow: hidden;
    margin: 10px auto 20px;
    cursor: pointer;
    &:hover{
      opacity: 0.8;
    }
    img{
      width: 100%;
      display: block;
      overflow: hidden;
    }  
  }
  .user-avatar{
    width: 50px;
    height: 50px;
    line-height: 50px;
  }
}

.panel-ctrls{
  li{
    color: #73849f;
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    cursor: pointer;
    position: relative;
    &.current{
      color: #2982c7;
      background: #212328;
      cursor: default;
      &:after{
        content: "";
        position: absolute;
        left: 0;
        height: 10px;
        width: 2px;
        background: #2982c7;
        top: 50%;
        margin-top: -5px;
      }
      .mee-icon-chat{
        background: url('../../assets/chat-icon-active.png')
      }
      .friend-icon-chat{
        background: url('../../assets/friend-icon-active.png')
      }
    }
  }
}

.c-panel-nav{
  position: relative;
  z-index: 1;
  margin-left: 66px;
  height: 100%;
  width: 284px;
  @include webkitbox(2);
  a{
    text-decoration: none;
  }
}

.panel-searbar{
  position: relative;
  margin: 0 20px 20px;
  padding-top: 30px;
  @include webkitbox(1);
  .input-con{
    background: #2c2e34;
    color: #656b77;
    height: 30px;
    position: relative;
    @include flex(1);
  }
  input{
    font-size: 12px;
    color: #b1c0d8;
    line-height: 30px;
    background: none;
    margin: 0;
    border: none;
    outline: none;
    padding: 0 0 0 30px;
    display: block;
    width: 100%;
    box-sizing: border-box;
  }
  .el-icon-search{
    font-size: 20px;
    position: absolute;
    text-align: center;
    top: 0;
    left: 0;
    width: 30px;
    height: 30px;
    line-height: 30px;
  }
  .el-icon-plus{
    font-size: 16px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    border-radius: 3px;
    background: #444750;
    color: #ffffff;
    text-align: center;
    margin-left: 10px;
    display: block;
    cursor: pointer;
    &:hover{
      opacity: 0.6;
    }
  }
}

.chat-list{
  overflow-y: auto;
  overflow-x: hidden;
  @include flex(1);
}

.mee-icon-chat{
  display: inline-block;
  vertical-align: middle;
  background: url('../../assets/chat-icon.png') center center no-repeat;
  width: 25px;
  height: 22px;
}

.friend-icon-chat{
  display: inline-block;
  vertical-align: middle;
  background: url('../../assets/friend-icon.png') center center no-repeat;
  width: 25px;
  height: 21px;
}

.group-recommand{
  height: 40px;
  line-height: 40px;
  padding: 6px 13px 20px 19px;
  color: #ffffff;
  cursor: pointer;
  border-bottom: 1px solid #3e4046;
  &:hover {
    background: #383b41;
  }
  &.current {
    background: #3f424c;
    cursor: default;
  }
  .group-icon{
    float: left;
    vertical-align: middle;
    height: 40px;
    width: 40px;
    border-radius: 4px;
    line-height: 40px;
    background: url('../../assets/group-icon.png') center center no-repeat;
    background-color: #2ca0f7;
    margin-right: 10px;
  }
  .title{
    margin-left: 50px;
    font-size: 14px;
    i{
      float: right;
      margin-top: 14px;
    }
  }
}

.ext{
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #2398f1;
  line-height: 24px;
  font-size: 12px;
  text-align: center;
  color: #ffffff;
  right: 4px;
  top: 12px;
}

.panel-setting{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 60px;
  cursor: pointer;
  .panel-nav-icon{
    display: inline-block;
    background: url('../../assets/panel-nav-icon.png') center/20px 18px no-repeat;
    width: 100%;
    height: 100%;
    &.active,&:hover{
      background-color: #26282d;
    }
  }
  .menu{
    display: none;
    position: absolute;
    left: 66px;
    bottom: 0;
    z-index: 99;
    width: 160px;
    color: #7c8ca5;
    font-size: 14px;
    border-radius: 4px;
    overflow: hidden;
    user-select: none;
    &.active{
      display: block;
    }
    .item{
      cursor: pointer;
      height: 36px;
      line-height: 36px;
      background-color: #2f3137;
      padding-left: 14px;
      cursor: pointer;
      &:hover{
        background-color: #26282d;
      }
    }
    i{
      display: inline-block;
      vertical-align: middle;
      margin-right: 10px;
      width: 18px;
      height: 18px;
    }
    .icon-mute0{
      background: url('../../assets/icon-set-mute0.png') center /100% no-repeat;
    }
    .icon-mute1{
      background: url('../../assets/icon-set-mute1.png') center /100% no-repeat;
    }
    .icon-msg0{
      background: url('../../assets/icon-set-msg1.png') center /100% no-repeat;
    }
    .icon-msg1{
      background: url('../../assets/icon-set-msg0.png') center /100% no-repeat;
    }
    .icon-feedback{
      width: 16px;
      height: 14px;
      background: url('../../assets/icon-set-feedback.png') center /100% no-repeat;
    }
    .icon-lang{
      width: 17px;
      height: 17px;
      background: url('../../assets/icon-set-lang.png') center /100% no-repeat;
    }
    .icon-logout{
      width: 14px;
      height: 16px;
      background: url('../../assets/icon-set-logout.png') center /100% no-repeat;
    }
    .icon-psw{
      width: 14px;
      height: 16px;
      background: url('../../assets/icon-set-psw.png') center /100% no-repeat;
    }
  }
}