.flex {
    display: flex;
}
.direction-column{
    flex-direction: column;
}
.justify-center {
    justify-content: center;
}
.justify-between {
    justify-content: space-between;
}
.align-center{
    align-items: center;
}
.align-self-end{
    align-self: flex-end;
}
.ellipsis-1{
    overflow:hidden; 
    text-overflow:ellipsis; 
    white-space:nowrap; 
}
.ellipsis-2{
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.wrap header{
    display: flex;
    width: 100%;
    height: 1.15rem;
    padding: 0 0.4rem;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    justify-content: space-between;
    align-items: center;
    background-color: #000000;
    box-sizing: border-box;
}
.logo{
    width: 3.66rem;
    height: auto;
    position: relative;
    z-index: 2;
 }
 .menu-btn img{
    cursor: pointer;
    position: relative;
    z-index: 2;
 }

.menu{
    width: 0.55rem;
    height: 0.35rem;
}
.close{
    display: none;
    width: 0.45rem;
    height: 0.46rem;
}

.menu-list{
    display: flex;
    color: #fff;
    font-size: 0.24rem;
    position: relative;
    z-index: 1;
    box-sizing: border-box;
}
.menu-list li{
    cursor: pointer;
    /* width: 0.7rem; */
    margin-right: 0.4rem;
    font-size: 0.24rem;
}
.menu-list li:last-child{
    margin-right: 0;
}
.menu-list li.active{
    color: #5c79ff;
    position: relative;
}
.menu-list li.active::before{
    position: absolute;
    left: 0;
    bottom: 0;
    content: '';
    width: 0.53rem;
    width: calc(100% - 0.15rem);
    height: 0.03rem;
    background-color: #5c79ff;
}
.menu-list li.active::after{
    position: absolute;
    right: 0;
    bottom: 0;
    content: '';
    width: 0.1rem;
    height: 0.03rem;
    background-color: #5c79ff;
}
.menu-bg{
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .6);
    -webkit-backdrop-filter: blur(0.04rem);
    backdrop-filter: blur(0.04rem);
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    transition: opacity .2s ease-in .2s, visibility .4s;
}
header.expanded .menu-bg{
    visibility: visible;
    opacity: 1;
    transition: opacity .4s;
}
.menu-bg::before, .menu-bg::after{
    content: "";
    display: block;
    position: absolute;
}
.menu-bg::before {
    width: 50%;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;
    background: #0e0e0e;
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
    transition: -webkit-transform .4s;
    transition: transform .4s;
    transition: transform .4s, -webkit-transform .4s;
}
header.expanded .menu-bg::before {
    -webkit-transform: translateX(0);
    transform: translateX(0);
}
.menu-bg::after {
    top: 0;
    left: 0;
    width: 100%;
    height: 1.15rem;
    background: #000;
}

@media screen and (max-width: 1500px) {
    .menu-btn {
        display: flex;
    }
    .menu-list {
        font-size: 0.4rem;
        min-width: 50%;
        max-width: 100%;
        width: 50%;
        height: 100%;
        position: fixed;
        top: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        padding: 1.35rem 0.2rem 0.2rem 0.2rem;
        pointer-events: auto;
        -webkit-transform: translateX(100%);
        transform: translateX(100%);
        transition: -webkit-transform .4s;
        transition: transform .4s;
        transition: transform .4s, -webkit-transform .4s;
        visibility: hidden;
    }
    header.expanded .menu-list {
        -webkit-transform: translateX(0);
        transform: translateX(0);
        visibility: visible;
    }
    .menu-list li{
        margin: 0 0 0.7rem 0;
        font-size: 0.4rem;
    }
    .menu-list li.active::before {
        width: calc(100% - 0.25rem);
    }
    .menu-list li.active::after{
        right: 0.02rem;
        width: 0.15rem;
    }
}

@media screen and (min-width: 1499px) {
    .wrap header{
        height: 70px;
    }
    .menu-btn , .menu-bg{
        display: none;
    }
    .logo{
        width: 177px;
        height: auto; 
    }
}