.index {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
}
.header {
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    border-bottom: 1px solid #e7e7e7;
}
.header .left {
    display: flex;
    align-items: center;
}
.header .left img {
    width: 30px;
    height: 30px;
    border-radius: 100%;
    margin-right: 10px
}
.header .left span {}
.header .ground_name {}
.header .ground_online {
    width: 10px;
    height: 10px;
    background: #69f82b;
    border-radius: 100%;
}
.content {
    height: calc(100vh - 145px);
    display: flex;
    background: #f9f9f9;
}
.history {
    width: 77%;
    overflow-y: scroll;
    padding: 15px;
    border-right: 1px solid #e7e7e7;
}
.history li {
    display: flex;
    margin-bottom: 16px;
}

.history li .right {
    padding-right: 41px;
}
.history .right .user_name {
    color: #8d8d8d;
}
.history .right .user_content {
    padding: 7px 15px;
    border-radius: 19px;
    border-top-left-radius: 0;
}
.history li .user_img {
    width: 35px;
    height: 35px;
    border-radius: 100%;
    margin-right: 10px;
}
.history .me {
    justify-content: flex-end;
}
.history .me .user_content {
    color: #fff !important;
}
.history .me .user_img {
    order: 1;
    margin-left: 10px;
    margin-right: 0;
}
.history .me .right {
    order: -2;
    padding-left: 41px;
    padding-right: 0;
}
.history .me .user_name {
    text-align: right;
}
.history .me .user_content {
    border-top-right-radius: 0;
    border-top-left-radius: 19px !important;
}
.history .system {
    background: #d6d6d6;
    padding: 4px 9px;
    border-radius: 13px;
    font-size: 12px;
    width: fit-content;
    color: #757171;
    margin: 0 auto;
    letter-spacing: 2px;
}
.online {
    width: 23%;
    padding: 5px 5px 0px 15px;
}
.online .online_title {
    line-height: 35px;
    height: 35px;
    border-bottom: 1px solid #e7e7e7;
}
.online ul {
    padding-top: 10px;
    overflow-y: scroll;
    height: calc(100% - 20px);
    padding-bottom: 10px;
}
.online ul li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    justify-content: space-between;
}
.online ul li .icon {
    width: 17px;
    height: 15px;
}
.online ul .left {}
.online ul .left img {
    width: 28px;
    height: 28px;
    border-radius: 100%;
}
.online ul .left span {
    color: #8d8d8d;
}
.footer {
    height: 140px;
}
.footer .footer_menu {
    height: 35px;
    display: flex;
    align-items: center;
    border-top: 1px solid #e7e7e7;
    position: relative;
}
.dropdown_menu {
    position: absolute;
    width: 350px;
    height: 200px;
    bottom: 34px;
    left: 0;
    background: #fff;
    border: 1px solid #e7e7e7;
    border-radius: 4px;
    box-shadow: 1px -1px 10px #d1cfcf;
    padding: 0 10px;
    display: flex;
    flex-direction: column;
}
.dropdown_menu .dropdown_title {
    height: 35px;
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e7e7e7;
}
.dropdown_menu .dropdown_body {
    flex: 1;
    padding: 10px 0;
    overflow-y: scroll;
}
.dropdown_menu .dropdown_footer {
    height: 30px;
    display: flex;
    align-items: center;
    border-top: 1px solid #e7e7e7;
}

.dropdown_footer li {
    margin-right: 14px;
    font-size: 12px;
    color: #939393;
}
.dropdown_footer .active {
    color: #000 !important;
}
.dropdown_body .body_item {
    display: none;
}
.dropdown_body .active {
    display: block !important;
}
.smiling .emm {
    width: 22px;
    height: 22px;
    margin-bottom: 7px;
}

.footer .footer_menu i {
    margin: 0 7px;
    font-size: 16px;
}
.footer .textarea {
    resize: none;
    width: 100%;
    height: calc(140px - 35px) !important;
    padding-left: 7px;
    outline: none;
}

.textarea img,
.user_content .emm {
    width: 22px !important;
    height: 22px !important;
    margin: 0 !important;
}

.gallery img {
    width: 70px;
    height: 70px;
}

.clearpadding {
    padding-right: 0 !important;
}