.header-box {
    width: 100%;
    height: 1.35rem;
    position: fixed;
    left: 0px;
    top: 0px;
    z-index: 999;
}

.header {
    display: flex;
    justify-content: space-between;
    z-index: 999;
    position: absolute;
    align-items: center;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
}
.header .logo{
    /* width: 1.5rem; */
    width: auto;
    height: .8rem;
}
.header .logo img{
    width: auto;
    height: 100%;
}

.header ul.nav {
    position: relative;
    display: flex;
    justify-content: space-between;
}

.header ul.nav li {
    margin: 0px .25rem;
}

.header ul.nav li a {
    color: #fff;
    font-size: .18rem;
}

.header ul.nav li a:hover {
    text-decoration: underline;
}

.header .contBox {
    display: flex;
    justify-content: space-between;
}

.header .contBox a {
    display: block;
    color: #fff;
    font-size: .24rem;
    line-height: .42rem;
    margin-right: .24rem;
}

.header .contBox span {
    color: #fff;
    font-size: .18rem;
    height: .4rem;
    line-height: .4rem;
    border: .02rem solid #fff;
    border-radius: 5px;
    padding: 0px .2rem;
}

.header .rts-menu-toggles {
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    /* background: #fff; */
    border: 2px solid #fff;
    border-radius: 90px;
    cursor: pointer;
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
    opacity: 0;
    display: none;
    margin-right: 10px;
}

.header .rts-menu-toggles:hover {
    background: #fff;
}

.header .rts-menu-toggles .menu-toggle {
    width: 20px;
    height: 100%;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
}

.header .rts-menu-toggles .menu-toggle span {
    border-bottom: 2px solid #fff;
    border-radius: 100px;
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
}

.header .rts-menu-toggles:hover .menu-toggle span {
    border-color: #333;
}

.header .rts-menu-toggles .menu-toggle span:nth-child(1) {
    width: 70%;
    margin-left: auto;
}
.header-active{
    /* position: fixed !important; */
    background: #fff !important;
}
.header-active ul.nav li a, .header-active .contBox a, .header-active .contBox span{
    color: #000;
}



/* 手机端导航 */
.mobile-nav-box {
    position: fixed;
    z-index: 9999;
    width: 100%;
    height: 100%;
    background: rgb(0, 0, 0, .5);
    -webkit-transform: translate3d(100%, 0, 0);
    transform: translate3d(100%, 0, 0);
    -webkit-transition: -webkit-transform 0.6s cubic-bezier(0.7, 0, 0.3, 1);
    transition: -webkit-transform 0.6s cubic-bezier(0.7, 0, 0.3, 1);
    transition: transform 0.6s cubic-bezier(0.7, 0, 0.3, 1);
    transition: transform 0.6s cubic-bezier(0.7, 0, 0.3, 1), -webkit-transform 0.6s cubic-bezier(0.7, 0, 0.3, 1);
    overflow-y: auto;
}

.mobile-nav-box .box {
    background: #fff;
    width: 100%;
    height: 100%;
    max-width: 400px;
    position: fixed;
    right: 0px;
    top: 0px;
}

.mobile-nav-box .box .close-btn {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 100px;
    background: #3358d3;
    cursor: pointer;
    margin-top: 30px;
    margin-left: 20px;
}

.mobile-nav-box .box .close-btn span {
    position: absolute;
    left: calc((100% - 30%) / 2);
    top: 50%;
    margin-left: auto;
    transform: rotate(45deg);
    display: block;
    width: 30%;
    border-bottom: 2px solid #fff;
}

.mobile-nav-box .box .close-btn span:nth-child(1) {
    transform: rotate(135deg);
}

.mobile-nav-box .box .mobile-nav {
    width: 85%;
    margin: 0px auto;
    margin-top: 30px;
}

.mobile-nav-box .box .mobile-nav li {
    border-bottom: 1px solid #cecece;
}

.mobile-nav-box .box .mobile-nav li a {
    font-size: 16px;
    display: block;
    line-height: 300%;
}

.header-active .rts-menu-toggles{
    border-color: #000;
}
.header-active .rts-menu-toggles .menu-toggle span{
    border-color: #000;
}


/* 联系我们 */
.lxwm-box {
    width: 100%;
    height: 4rem;
    background: #f7f7f7;
}

.lxwm-box .items {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.lxwm-box .items .item {
    width: 3rem;
    height: 2.3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: .1rem;
    overflow: hidden;
}

.lxwm-box .items .item .img {
    width: .8rem;
    margin-bottom: .3rem;
}

.lxwm-box .items .item .tit {
    font-size: .16rem;
}
/* 尾部版权 */
.copy-box {
    height: 1.25rem;
    text-align: center;
    /*background: #f5f5f6;*/
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-box a {
    margin-left: .1rem;
}


/* 通用标题 */
.i-title-box {}

.i-title-box .i-h1-title {
    font-size: .6rem;
    color: #333333;
    font-family: 'Source_Han_Sans_SC_Bold';
    text-align: center;
    line-height: 100%;
}

.i-title-box .i-h1-subtitle {
    line-height: 100%;
    font-size: .18rem;
    color: #9e9e9e;
    text-align: center;
    /* font-family: 'Source_Han_Sans_SC_Normal'; */
    margin-top: .3rem;
}

/*分页*/
.page{

}
.page .pagination{
    display: flex;
    justify-content: center;
}
.page .pagination li{
    margin: 0px .05rem;
    border: 1px solid #d8d8d8;
}
.page .pagination li a{
    font-size: 14px;
    display: block;
    padding: .05rem .1rem;
}
.page .pagination li.active a{
    background: #0A71E4;
    color: #fff;
}


/* （2k以上） */
@media only screen and (min-width:1441px) {}

/*（2k） */
@media only screen and (max-width:1440px) {}

/*（包含1080） */
@media only screen and (max-width:1200px) {
    .header .logo{
        height: 1rem;
    }
    .header .logo img {
        height: 1rem;
    }

    .header ul.nav {
        display: none;
    }

    .header .contBox span,
    .header .contBox a {
        font-size: 16px;
        line-height: 40px;
        height: 40px;
    }

    .header .contBox {
        margin-right: 15px;
        margin-left: auto;
    }

    .header .rts-menu-toggles {
        display: flex;
        opacity: 1;
    }

    .mobile-nav-box.active {
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }

    .i-title-box .i-h1-title {
        font-size: 28px;
    }

    .i-title-box .i-h1-subtitle {
        font-size: 14px;
    }
    .lxwm-box .items .item {
        width: calc(100% / 4 - 20px);
        height: auto;
        padding: 15px 0px;
    }

    .lxwm-box .items .item .img {
        width: 60px;
    }

    .lxwm-box .items .item .tit {
        font-size: 14px;
    }
}

/*（2010年到2016年间的笔记本和屏幕）*/
@media only screen and (max-width:960px) {
    .header .contBox span,
    .header .contBox a {
        font-size: 14px;
        height: 35px;
        line-height: 35px;
    }

    .header .rts-menu-toggles {
        width: 40px;
        height: 40px;
    }
    .lxwm-box .items .item {
        width: calc(100% / 4 - 10px);
    }

    .lxwm-box .items .item .img {
        width: 40px;
    }

    .lxwm-box .items .item .tit {
        font-size: 12px;
    }
}

/*（或者760px与480px） */
@media only screen and (max-width:760px) {
    
     .header-box {
        height: 70px;
    }

    .header .logo img, .header .logo {
        height: 50px;
    }

    .header .contBox {
        display: none;
    }

    .mobile-nav-box .box {
        max-width: 100%;
    }

    .lxwm-box{
        height: auto;
        padding: 10px 0px;
    }
    .lxwm-box .items{
        flex-wrap: wrap;
    }
    .lxwm-box .items .item{
        width: calc(100% / 2 - 3px);
        margin-top: 6px;
    }

    .copy-box {
        height: auto;
        overflow: hidden;
        display: block;
        text-align: center;
        padding: 10px 0px;
    }
}