/* @media (min-width:1601px) {
    html {
        font-size: 16px;
    }
}

@media (min-width:1400px) and (max-width:1600px) {
    html {
        font-size: 14px;
    }
}

@media (min-width:640px) and (max-width:1399px) {
    html {
        font-size: 13px;
    }
}

@media (min-width:481px) and (max-width:639px) {
    html {
        font-size: 13px;
    }
}

@media (min-width:329px) and (max-width:480px) {
    html {
        font-size: 13px;
    }
} */
.menuBtn {
    width: 30px;
    cursor: pointer;
    position: absolute;
    right: 10px;
    top: 50%;
    z-index: 999;
    padding-top: 4px;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
    display: none
}

.menuBtn b {
    display: block;
    height: 3px;
    background-color: #313131;
    margin-bottom: 5px;
    border-radius: 2px;
    transition: .3s;
    -ms-transition: .3s;
    -moz-transition: .3s;
    -webkit-transition: .3s;
    -o-transition: .3s
}

.menuBtn.open b {
    display: none;
    margin: 0;
    position: absolute;
    left: 0;
    top: 50%;
    width: 30px
}

.menuBtn.open b:first-child {
    display: block;
    transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    -ms-transform: rotate(45deg)
}

.menuBtn.open b:last-child {
    display: block;
    transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg)
}
.nav {
    float: left;
    margin-right: 22px
}

.nav li {
    float: left;
    position: relative;
    margin: 0 30px
}

.nav li .v1 {
    display: block;
    font-size: 16px;
    color: #313131;
    line-height: 92px;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    -webkit-transition: .3s;
    -moz-transition: .3s;
    -ms-transition: .3s;
    -o-transition: .3s;
    transition: .3s
}

.nav li .v1:after {
    content: '';
    height: 2px;
    background-color: transparent;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    -webkit-transition: .3s;
    -moz-transition: .3s;
    -ms-transition: .3s;
    -o-transition: .3s;
    transition: .3s
}

.nav li.on .v1:after,
.nav li:hover .v1:after {
    background: var(linear-gradient(135deg,#1069b2,#65b5da));
}

.nav li .v1 i {
    display: none;
}

.nav .dl1 {
    display: none;
    width: 260px;
    min-height: 375px;
    position: absolute;
    top: 92px;
    left: 0;
    background-color: #edeeef;
    padding: 39px 0 20px;
    z-index: 9999;
}

.nav .dl1 dd .v2 {
    display: block;
    font-size: 15px;
    color: #313131;
    line-height: 3.44em;
    position: relative;
    padding: 0 50px 0 30px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    -webkit-transition: .3s;
    -moz-transition: .3s;
    -ms-transition: .3s;
    -o-transition: .3s;
    transition: .3s
}

.nav .dl1 dd.ok .v2,
.nav .dl1 dd:hover .v2 {
    color: #fff;
    background: var(--linear-gradient-g)
}

.nav .dl1 dd .v2 i {
    display: block;
    color: #8f9090;
    position: absolute;
    top: 50%;
    right: 33px;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
    -webkit-transition: .3s;
    -moz-transition: .3s;
    -ms-transition: .3s;
    -o-transition: .3s;
    transition: .3s
}

.nav .dl1 dd.ok .v2 i,
.nav .dl1 dd:hover .v2 i {
    color: #fff
}

.nav .down {
    display: none;
    width: 860px;
    min-height: 375px;
    background-color: #fff;
    position: absolute;
    top: 0;
    left: 100%;
    padding: 38px 35px 20px 40px;
    overflow: hidden
}

.nav .down .tit {
    border-bottom: 1px solid #e5e8ec;
    padding-bottom: 21px;
    overflow: hidden
}

.nav .down .tit h3 {
    float: left;
    font-size: 16px;
    color: #313131;
    line-height: 1.33em;
    overflow: hidden
}

.nav .down .tit a {
    display: block;
    float: right;
    font-size: 14px;
    color: #7e7e7e;
    line-height: 1.71em;
    margin-left: 10px;
    overflow: hidden;
    -webkit-transition: .3s;
    -moz-transition: .3s;
    -ms-transition: .3s;
    -o-transition: .3s;
    transition: .3s
}

.nav .down .tit a:hover {
    color: var(--color)
}

.nav .down .box {
    margin: 25px -7px 0;
    overflow: hidden
}

.nav .down .box .item {
    float: left;
    width: 25%;
    padding: 0 7px;
    margin-bottom: 14px;
    overflow: hidden
}

.nav .down .box .item a {
    display: block;
    font-size: 15px;
    color: #4e4e4e;
    line-height: 3em;
    text-align: center;
    border: 1px solid #dcdcdf;
    border-radius: 3px;
    overflow: hidden;
    -webkit-transition: .3s;
    -moz-transition: .3s;
    -ms-transition: .3s;
    -o-transition: .3s;
    transition: .3s
}

.nav .down .box .item a:hover {
    color: #fff;
    background: var(--linear-gradient-g);
    border-color: transparent
}

.nav .down .box2 {
    margin: 20px 35px 20px 0
}

.nav .down .box2 .item {
    float: left;
    width: 20%;
    padding-right: 9px;
    margin-bottom: 9px;
    overflow: hidden
}

.nav .down .box2 .item a {
    display: block;
    background-color: #fff;
    position: relative;
    overflow: hidden
}

.nav .down .box2 .pic {
    height: 70px;
    border: 1px solid #e5e8ec;
    overflow: hidden
}

.nav .down .box2 .pic img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover
}

.nav .down .box2 h3 {
    font-size: 15px;
    color: #fff;
    line-height: 70px;
    text-align: center;
    font-weight: 400;
    background: var(--linear-gradient-g);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    opacity: 0;
    filter: alpha(opacity=0);
    filter: alpha(Opacity=0);
    -ms-filter: 'progid:DXImageTransform.Microsoft.Alpha(Opacity=0)';
    -webkit-transition: .3s;
    -moz-transition: .3s;
    -ms-transition: .3s;
    -o-transition: .3s;
    transition: .3s
}

.nav .down .box2 a:hover h3 {
    opacity: 1;
    filter: alpha(opacity=100);
    filter: alpha(Opacity=100);
    -ms-filter: 'progid:DXImageTransform.Microsoft.Alpha(Opacity=100)'
}

.nav .dl2 {
    display: none;
    width: 154px;
    position: absolute;
    top: 92px;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    background-color: #fff;
    border-radius: 10px;
    padding: 10px 5px;
    -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, .05);
    -moz-box-shadow: 0 0 10px rgba(0, 0, 0, .05);
    -ms-box-shadow: 0 0 10px rgba(0, 0, 0, .05);
    -o-box-shadow: 0 0 10px rgba(0, 0, 0, .05);
    box-shadow: 0 0 10px rgba(0, 0, 0, .05)
}

.nav .dl2 dd a {
    display: block;
    font-size: 15px;
    color: #666;
    line-height: 2.67em;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    -webkit-transition: .3s;
    -moz-transition: .3s;
    -ms-transition: .3s;
    -o-transition: .3s;
    transition: .3s
}

.nav .dl2 dd:hover a {
    color: var(--color)
}
.m_nav_list {
    display: none;
}
.m_nav_pclist{
    display: flex;
    justify-content: space-between;
}
.none{display: none;}
@media screen and (max-width:767px) {
    .m_nav_pclist{display: none;}
}
@media only screen and (min-width:1200px) and (max-width:1920px) {
   

    .nav {
        width: 100%;
    }

    .nav li {
        margin: 0 1.52vw
    }

    .nav li .v1 {
        font-size: 16px;
        line-height: 3vw
    }

    .nav li .v1:after {
        height: .104vw
    }

    .nav .dl1 {
        width: 13.54vw;
        min-height: 19.53vw;
        top: 3vw;
        padding: 1.031vw 0 1.041vw
    }

    .nav .dl1 dd .v2 {
        font-size: 15px;
        padding: 0 2.604vw 0 1.562vw
    }

    .nav .dl1 dd .v2 i {
        right: 1.718vw
    }

    .nav .down {
        width: 38vw;
        min-height: 19.53vw;
        padding: 1.979vw 1.822vw 1.041vw 2.083vw
    }

    .nav .down .tit {
        padding-bottom: 1.093vw
    }

    .nav .down .tit h3 {
        font-size: 16px;
    }

    .nav .down .tit a {
        font-size: 16px;
        margin-left: .52vw
    }

    .nav .down .box {
        margin: 1.302vw -.364vw 0
    }

    .nav .down .box .item {
        padding: 0 .364vw;
        margin-bottom: .729vw
    }

    .nav .down .box .item a {
        font-size: 16px;
        border-radius: .156vw
    }

    .nav .down .box2 {
        margin: 1.041vw 1.822vw 1.041vw 0
    }

    .nav .down .box2 .item {
        padding-right: .468vw;
        margin-bottom: .468vw
    }

    .nav .down .box2 .pic {
        height: 3.645vw
    }

    .nav .down .box2 h3 {
        font-size: 18px;
        line-height: 3.645vw
    }

    .nav .dl2 {
        width: 8.020vw;
        top: 4.791vw;
        border-radius: .52vw;
        padding: .52vw .26vw;
        -webkit-box-shadow: 0 0 .52vw rgba(0, 0, 0, .05);
        -moz-box-shadow: 0 0 .52vw rgba(0, 0, 0, .05);
        -ms-box-shadow: 0 0 .52vw rgba(0, 0, 0, .05);
        -o-box-shadow: 0 0 .52vw rgba(0, 0, 0, .05);
        box-shadow: 0 0 .52vw rgba(0, 0, 0, .05)
    }

    .nav .dl2 dd a {
        font-size: .781vw
    }

    .footer {
        padding: 3.645vw 0 1.718vw
    }

    .fd-top {
        margin-bottom: 2.916vw
    }

    .fd-cont {
        width: 26.52vw;
        margin-left: 2.031vw
    }

    .fd-logo {
        width: 25vw;
        margin-bottom: .989vw
    }

    .fd-addr {
        font-size: 16px;
        margin-bottom: .833vw
    }

    .fd-addr p i {
        width: 1.041vw;
        height: 1.041vw;
        line-height: 1.041vw;
        margin-right: .364vw
    }

    .fd-ma {
        margin: 0 -1.015vw
    }

    .fd-ma .item {
        margin: 0 1.015vw
    }

    .fd-ma .pic {
        width: 4.947vw;
        height: 4.947vw
    }

    .fd-ma span {
        font-size: 16px
    }

    .fd-nav dl {
        padding-right: .52vw
    }

    .fd-nav dt {
        font-size: 16px;
        margin-bottom: .364vw
    }

    .fd-nav dd a {
        font-size: .781vw
    }

  
}
@media only screen and (max-width:1199px) {
    .menuBtn {
        display: block
    }
    .m_nav_list {
        display: block !important;
    }
    #m_nav {
        z-index: 997;
        position: fixed;
        width: 50%;
        height: 100vh;
        top: 0;
        display: none;
        padding: 50px 0;
        overflow: hidden;
        pointer-events: none;
        transition: all .5s .5s cubic-bezier(0.445, 0.145, 0.355, 1);
        display: block;
        overflow: auto;
        visibility: hidden;
        opacity: 0;
        transform-origin: left;
        left: auto;
        right: 0;
        pointer-events: none;
        transform: perspective(600px) rotateY(-90deg);
        transform-origin: right;
        transition: all .5s cubic-bezier(0.445, 0.145, 0.355, 1);
        -webkit-transition: all .5s cubic-bezier(0.445, 0.145, 0.355, 1);
        -moz-transition: all .5s cubic-bezier(0.445, 0.145, 0.355, 1);
        -o-transition: all .5s cubic-bezier(0.445, 0.145, 0.355, 1);
        -ms-transition: all .5s cubic-bezier(0.445, 0.145, 0.355, 1);
    }

    #m_nav.act {
        pointer-events: auto;
        top: 0;
        visibility: visible;
        opacity: 1;
        transition: all .5s cubic-bezier(0.445, 0.145, 0.355, 1);
        transform: perspective(600px) rotateY(0deg);
    }

    .nav_mask {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 996;
        background-color: rgb(20 27 62 / 45%);
        opacity: 0;
        visibility: hidden;
        -webkit-backdrop-filter: blur(2px);
        backdrop-filter: blur(2px);
        transition: .5s;
        pointer-events: none;
    }

    #m_nav.act+.nav_mask {
        opacity: 1;
        visibility: visible;
        pointer-events: inherit;
    }

    .hd-r .content {
        width: 100%;
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        background-color: #fff;
        overflow: hidden;
        overflow-y: auto;
        padding-top: 50px;
    }

    .nav {
        float: none;
        margin-right: 0;
        margin-bottom: 10px
    }

    .nav li {
        float: none;
        margin: 0 20px;
    }

    .nav>ul>li+li {
        border-top: 1px solid rgb(90 90 90 / 10%);
    }

    .nav li .tit {
        position: relative;
        overflow: hidden;
    }

    .nav li .v1 {
        font-size: 16px;
        line-height: 45px;
        padding: 0 10px;
        position: relative;
    }

    .nav li.on .v1,
    .nav li:hover .v1 {
        color: var(--color)
    }

    .nav li .v1:after {
        display: none
    }

    .nav li .tit i {
        display: block;
        width: 45px;
        height: 45px;
        background: url(../images/icon7.png) no-repeat center center;
        -webkit-background-size: 30px auto;
        -moz-background-size: 30px auto;
        -ms-background-size: 30px auto;
        -o-background-size: 30px auto;
        background-size: 30px auto;
        position: absolute;
        top: -5%;
        right: 0;
        /* -webkit-transform: translateY(-50%);      -ms-transform: translateY(-50%);      -o-transform: translateY(-50%);      transform: translateY(-50%); */
    }

    .nav .dl1,
    .nav .dl2 {
        width: auto;
        min-height: 0;
        background: 0 0;
        position: static;
        padding: 5px 0
    }

    .nav .dl1 dd .v2 {
        font-size: 15px;
        line-height: 35px;
        padding: 0 10px
    }

    .nav .dl1 dd .v2 i {
        display: none
    }

    .nav .dl1 dd.ok .v2,
    .nav .dl1 dd:hover .v2 {
        color: var(--color);
        background: 0 0
    }

    .nav .down {
        display: none
    }

    .nav .dl2 {
        -webkit-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
        transform: translateX(0);
        border-radius: 0;
        -webkit-box-shadow: none;
        -moz-box-shadow: none;
        -ms-box-shadow: none;
        -o-box-shadow: none;
        box-shadow: none
    }

    .nav .dl2 dd a {
        font-size: 13px;
        line-height: 40px
    }
   
}