.container{
    /* height: 100%; */
}


@font-face {
    font-family: 'Optima';
    src: url('../font/OPTIMA.eot');
    src:
        url('../font/OPTIMA.eot?#iefix') format('embedded-opentype'),
        url('../font/OPTIMA.woff') format('woff'),
        url('../font/OPTIMA.otf') format('otf'),
        url('../font/OPTIMA.ttf') format('truetype'),
        url('../font/OPTIMA.svg') format('svg');
    font-weight: normal;
    font-style: normal;
} 

@font-face {
    font-family: 'Optima-Bold';
    src: url('../font/OPTIMA_B.eot');
    src:
        url('../font/OPTIMA_B.eot?#iefix') format('embedded-opentype'),
        url('../font/OPTIMA_B.woff') format('woff'),
        url('../font/OPTIMA_B.otf') format('otf'),
        url('../font/OPTIMA_B.ttf') format('truetype'),
        url('../font/OPTIMA_B.svg') format('svg');
    font-weight: normal;
    font-style: normal;
} 

.Optima{
    font-family: 'Optima';
}

.OptimaB{
    font-family: 'Optima-Bold';
}

.up_b {
    width: 230px;
    height: 0;
    position: absolute;
    left: -30%;
    top: 46px;
    z-index: 9999;
    border-radius: 4px;
}
.up_c {
	width: 230px;
	position: absolute;
	left: -56%;
	top: 46px;
	z-index: 9999;
	border-radius: 4px;
}
.up_d {
	width: 230px;
	position: absolute;
	left: -32%;
	top: 46px;
	z-index: 992;
	border-radius: 4px;
	border-radius: 4px;
}
.up_f {
	width: 230px;
	position: absolute;
	left: -180%;
	top: 46px;
	z-index: 992;
	border-radius: 4px;
	border-radius: 4px;
}

@media only screen and (min-width:720px) {
    .header{
        background: black;
        height: 70px;
    }
    .header>div>div{
        height: 70px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .more{
        display: none;
    }
    .logo{
        width: 100px;
        height: 21px;
    }
    .logo img{
        display: block;
        width: 100%;
    }
    .nav{
        display: flex;
        height: 40px;
        align-items: center;
    }
    .nav li{
        margin-left: 15px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .nav li a{
        color: white;
        font-size: 16px;
        line-height: 22px;
        /* transform: scale(0.5) translateX(-50%); */
        cursor: pointer;
    }
    .nav li:last-child a{
        padding: 0;
        font-size: 12px;
    }
    .nav li a:hover{
        background: none;
        color: #B2AFAF;
    }
    /* .nav li:last-of-type{
        width: 16px;
        height: 16px;
    } */
    
    
    .footer ul{
        padding: 56px 0 36px 0;
        display: flex;
        justify-content: space-around;
    }
    .footer ul li{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .footer ul li>div{
        width: 118px;
        height: 118px;
        border-radius: 50%;
        background: #CCCCCC;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
    }
    .footer ul li>div:hover{
        background: rgb(89, 148, 226);
    }
    .footer ul li>div>div{
        width: 62px;
        height: 62px;
        border-radius: 50%;
        background: #1A1A1A;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .footer ul li img{
        width: 29px;
        height: 29px;
    }
    .footer p{
        margin-top: 45px;
        font-size: 20px;
        line-height: 28px;
    }
    
    
    .top{
        height: 30px;
        display: flex;
        align-items: center;
        position: relative;
    }
    .line{
        width: 100%;
        height: 1px;
        background: #CCCCCC;
    }
    .top img{
        width: 30px;
        height: 30px;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        cursor: pointer;
    }
    .column{
        margin-top: 27px;
        display: flex;
        justify-content: space-between;
    }
    .column dl{
        margin: 0;
    }
    .column dt{
        font-size: 18px;
        line-height: 21px;
    }
    .column dd{
        margin-top: 34px;
        font-size: 14px;
        line-height: 16px;
    }
    
    
    .bottom{
        margin-top: 91px;
        height: 51px;
        background: black;
        color: #CCCCCC;
    }
    .bottom p{
        font-size: 14px;
        line-height: 16px;
        margin: 0;
    }
    .center{
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 51px;
    }
    .center div{
        display: flex;
    }
    .bottom img{
        width: 16px;
        margin-right: 8px;
        height: 16px;
    }
}
@media only screen and (max-width:720px) {
    .header{
        background: black;
        height: 1.5rem;
    }
    .header>div{
        height: 100%;
    }
    .header>div>div{
        height: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .header .logo{
        /* width: 5rem; */
        height: 80%;
        display: flex;
        align-items: center;
    }
    .header .logo img{
        display: block;
        width: 80%;
        height: 80%;
    }
    .more img{
        display: block;
        width: 80%;
        height: 80%;
    }
    .header ul{
        display: none;
        position: fixed;
        top: 1.5rem;
        left: 0;
        width: 100%;
        height: 100%;
        background: black;
        z-index: 9999;
    }
    .header ul li{
        border-bottom: 1px solid #eee;
    }
    
    .footer ul{
        padding: 0.56rem 0 0.36rem 0;
        display: flex;
        justify-content: space-around;
    }
    .footer ul li{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .footer ul li>div{
        width: 1.5rem;
        height: 1.5rem;
        border-radius: 50%;
        background: #CCCCCC;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .footer ul li>div>div{
        width: 1rem;
        height: 1rem;
        border-radius: 50%;
        background: #1A1A1A;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .footer ul li img{
        width: 0.5rem;
        height: 0.5rem;
    }
    .footer p{
        margin-top: 0.45rem;
        font-size: 0.2rem;
        line-height: 0.28rem;
    }
    .top{
        height: 0.3rem;
        display: flex;
        align-items: center;
        position: relative;
    }
    .line{
        width: 100%;
        height: 1px;
        background: #CCCCCC;
    }
    .top img{
        width: 0.7rem;
        height: 0.7rem;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        cursor: pointer;
    }
    .column{
        margin-top:0.27rem;
        display: flex;
        justify-content: space-between;
    }
    .column dl{
        margin: 0;
        transform: scale(0.7)
    }
    .column dt{
        font-size: 0.14rem;
        /* line-height: 0.3rem; */
    }
    .column dd{
        margin-top: 0.3rem;
        font-size: 0.12rem;
        /* line-height: 16px; */
    }
    
    
    .bottom{
        margin-top: 0.91rem;
        height: 1.5rem;
        background: black;
        color: #CCCCCC;
    }
    .bottom p{
        font-size: 0.14rem;
        line-height: 16px;
        margin: 0;
    }
    .center{
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 100%;
    }
    .center div{
        display: flex;
    }
    .bottom img{
        width: 16px;
        margin-right: 8px;
        height: 16px;
    }
}
@media (min-width: 1200px) {
    .head_nav li a{
        font-size: 15px;
        height: 24px;
        line-height: 24px;
        color: #FFFFFF;
        font-family: PingFang SC;
    }
    .qmm_partl{
        width: 420px;
        /* height: 350px; */
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: space-between;
    }
    .qmm_partl img:nth-child(1){
        width: 44%;
        height: 30px;
        margin-bottom: 40px;
    }
    .qmm_partl img:nth-child(2){
        width: 420px;
    }
    .imgs{
        width: 700px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        margin: 36px 0;
    }
    .imgs img{
        width: 240px;
        height: 40px;
    }
    .imgs img:nth-child(2){
        width: 290px;
        height: 40px;
    }
    .imgs img:nth-child(4){
        width: 172px;
        height: 40px;
    }
    .imgs img:nth-child(5){
        width: 184px;
        height: 40px;
    }
    .imgs img:nth-child(6){
        width: 300px;
        height: 40px;
    }
    .blm_cent1 img:nth-child(1){
        width: 600px;
    }
    .blm_cent1 img:nth-child(2){
        width: 524px;
    }
    .blm_cent1 img:nth-child(3){
        width: 820px;
    }
    .blm_cent1 img:nth-child(4){
        width: 100%;
    }
    .blm_cent4 img:nth-child(1){
        width: 866px;
    }
    .blm_cent4 img:nth-child(2){
        width: 930px;
        margin-bottom: 36px;
    }
    .cdm_cent1{
        margin-bottom: 90px;
    }
    .cdm_cent1 img:nth-child(1){
        width: 1080px;
        height: 80px;
        margin-top: 38px;
        margin-bottom: 32px;
    }
    .cdm_cent1 img:nth-child(2){
        width: 100%;
        height: 66px;
        margin-top: 38px;
        margin-bottom: 32px;
    }
    .cdm_cent1 img:nth-child(3){
        width: 100%;
        height: 66px;
        margin-bottom: 32px;
    }
    .cdm_cent1 img:nth-child(4){
        width: 100%;
        height: 66px;
        margin-bottom: 32px;
    }
    .cdm_cent1 img:nth-child(5){
        width: 100%;
        height: 66px;
        margin-bottom: 32px;
    }
    .cdm_cent1 img:nth-child(6){
        width: 100%;
        height: 66px;
        margin-bottom: 32px;
    }
    .qmm_center{
        width: 70%;
        position: relative;
    }
    .qmm_center img:nth-child(1){
        width: 100%;
    }
    .qmm_center img:nth-child(2){
        width: 50%;
        position: absolute;
        left: 25%;
        top: 16%;
    }
    .chm_cent1{
        margin: 80px 0;

    }
    .chm_cent1 img{
        width: 924px;
    }
    .chm_cent2 img:nth-child(2){
        width: 784px;
    }
    .chm_cent3 img:nth-child(2){
        width: 784px;
    }
    .chm_part_center{
        width: 800px;
    }
    .cdm_cent1 img:nth-child(1){
        width: 808px;
        height: 50px;
        margin-top: 98px;
    }
    .M_o_ser1_r img:nth-child(1){
        width: 60%;
    }


}