body {
    max-width: 750px;
}
.header {
    background: white;
    position: relative;
    left: 0;
    top: 0;
    height: 1.1rem;
    width: 100%;
    z-index: 999;
    
}
.header-bar {
    width: 100%;
    margin: 0 auto;
    height: 1.1rem;
    z-index: 1000;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
}
.header-logo {
    width: 2.48rem;
    height: 0.64rem;
    margin-left:0.3rem;
    position: relative;
    top: 0.16rem;
    float: left;
}
.header-logo img {
    width: 100%;
    display:block;
}
.header-logo_right{
    width: 0.6rem;
    height: 0.6rem;
    float: right;
    right: 0.3rem;
    position: relative;
    top: 0.26rem;
}
.header-logo_right img{
    width: 100%;
    display: block;
}
.header-nav_btn {
    position: relative;
    padding: 0.045rem 0;
    margin-top: 0.44rem;
    margin-right: 2%;
}
.header-nav_btn.active span:first-child {
    -webkit-transform: translateY(0.13rem) rotate(-45deg);
        -ms-transform: translateY(0.13rem) rotate(-45deg);
            transform: translateY(0.13rem) rotate(-45deg);
}
.header-nav_btn.active span:nth-child(2) {
    opacity: 0;
}
.header-nav_btn.active span:last-child {
    -webkit-transform: translateY(-0.13rem) rotate(45deg);
        -ms-transform: translateY(-0.13rem) rotate(45deg);
            transform: translateY(-0.13rem) rotate(45deg);
}
.header-nav_btn span {
    display: block;
    width: 0.4rem;
    height: 0.05rem;
    background: #BF9000;
    margin: 0.08rem auto;
    -webkit-transition: .3s;
    -o-transition: .3s;
    transition: .3s;
}
.header-nav_btn span:first-child {
    margin-top: 0;
}
.header-nav_btn span:last-child {
    margin-bottom: 0;
}

.header-mask {
    display: none;
    position: absolute;
    float: right;
    right: 0.3rem;
    width: 3.5rem;
    height: 7rem;
    background: white;
    z-index: 999;
}
.header-nav {
    margin-left: 0.53rem;
}
.header-nav .header-nav_item {
    display: block;
    font-size: 0.4rem;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 0.52rem;
    color: #000000;
    opacity: 1;
    margin-top: 0.3rem;
}

.header-nav_item_sec {
    display: block;
    height: 0.6rem;
    line-height: 0.6rem;
    color: #333;
    font-size: 0.28rem;
    border-bottom: 0.02rem solid #E6E4E4;
    margin-left: 2em;
}

.footer {
    background: #333;
    height: 0.98rem;
    line-height: 0.98rem;
    color: white;
    font-size:0.24rem;
    text-align: center;
    position: relative;
}

.footer_fixed {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    width: 100%;
    position: fixed;
    bottom: 0;
    max-width: 7.5rem;
    margin: 0 auto;
}

.block {
    padding: 0 0.24rem
}
.block-tit {
    text-align: center;
    margin: 0.7rem auto 0.55rem auto;
}
.block-tit h2 {
    font-size: 0.42rem;
    line-height: 1;
    color: #fff;
    margin: 0;
    text-align: center;
    letter-spacing: 0.03rem;
}
.block_tit_logo {
    display: block;
    width: 2.02rem;
    margin: 0 auto;
}
.block-tit p {
    color: #fff;
    font-size: 0.26rem;
    margin: 0;
}
.block-tit span::before {
    content: '';
    display: block;
    width: 1.85rem;
    height: 100%;
    background: #DFB626;
    position: absolute;
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
}
.block-tit span {
    display: block;
    width: 100%;
    background: none;
    height: 0.05rem;
    margin: 0.1rem auto;
    position: relative;
}
.footer a{
    color: white;
}