.top_nav {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 10;
    height: 0.88rem;
    background-color: #ffffff;
    color: #333333;
    font-size: 0.32rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid #f5f5f5;
}
.top_nav .center {
    text-align: center;
}
.top_nav .back img {
    width: 0.18rem;
    height: auto;
    display: block;
}
.nav_main {
    padding: 0.88rem 0 1rem;
}
.tab_wrap {
    margin: 0.88rem 0 0;
    color: #999999;
    font-size: 0.22rem;
}
.tab_wrap .hd {
    position: fixed;
    left: 0;
    top: 0.88rem;
    width: 100%;
    height: 0.88rem;
    display: flex;
    background-color: #ffffff;
    justify-content: space-between;
    z-index: 10;
}
.tab_wrap .hd a {
    color: #999999;
    font-size: 0.26rem;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tab_wrap .hd img {
    width: 0.32rem;
    height: auto;
    margin-left: 0.12rem;
}
.tab_wrap .hd .on {
    color: #4681fc;
    font-size: 0.32rem;
}
.tab_wrap .hd span {
    height: 100%;
    display: inline-flex;
    align-items: center;
    position: relative;
}
.tab_wrap .hd .on span::after {
    content: '';
    position: absolute;
    width: 0.6rem;
	height: 0.04rem;
	background-color: #4681fc;
    border-radius: 0.02rem;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
}
.tab_wrap .bd {
    padding: 0.3rem 0.25rem;
    background: #f5f5f5;
}
.tab_wrap .tip1 {
    color: #999999;
    font-size: 0.22rem;
}
.item_wrap1_t2 {
    background-color: #ffffff;
    border-radius: 0.12rem;
    padding: 0.3rem 0.26rem;
    margin: 0.3rem 0;
}
.choose_zdy_wrap:not(:last-child) {
    margin-bottom: 0.2rem;
}
.choose_zdy_t1 {
    background-color: #f1f7ff;
	border-radius: 0.06rem;
    border: solid 1px rgba(220, 231, 246, 0.71);
    padding: 0.2rem;
}
.choose_zdy_t1 .t1 {
    color: #333333;
    font-size: 0.3rem;
    font-weight: 800;
    line-height: 0.38rem;
}
.choose_zdy_t1 .t2 {
    display: flex;
    align-items: center;
    margin: 0.1rem 0 0 0;
    justify-content: space-between;
}
.choose_zdy_t1 .t2_1 {
    color: #ff4341;
    font-size: 0.26rem;
}
.choose_zdy_t1 .t2_2 {
    display: flex;
    align-items: center;
}
.choose_zdy_t1 .t2_2_1 {
    color: #458ffd;
    font-size: 0.24rem;
    display: flex;
    align-items: center;
}
.choose_zdy_t1 .t2_2_1 img {
    width: 0.24rem;
    height: auto;
    margin-left: 0.07rem;
}
.choose_zdy_t1 .t2_2_2 {
    margin-left: 0.4rem;
    position: relative;
}
.choose_zdy_t1 input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
}
.choose_zdy_t1 .t2_2_2 em {
    display: block;
    width: 0.36rem;
    height: 0.36rem;
    background: url(./img/check_1.png) no-repeat center/100%;
}
.choose_zdy_t1 input:checked+em {
    background: url(./img/check_2.png) no-repeat center/100%;
}
.choose_zdy_t2 {
    position: relative;
    background-color: #ffffff;
    border: solid 1px rgba(213, 224, 240, 0.71);
    padding: 0.2rem;
    margin: 0.24rem 0 0 0;
    border-radius: 0.06rem;
    display: none;
}
.choose_zdy_t2::after,
.choose_zdy_t2::before {
    content: '';
    position: absolute;
    border: 0.2rem solid transparent;
    left: 0.5rem;
}
.choose_zdy_t2::after {
    top: -0.42rem;
    z-index: 1;
    border-bottom-color: rgba(213, 224, 240, 0.71);
}
.choose_zdy_t2::before {
    top: -0.4rem;
    border-bottom-color: #fff;
    z-index: 2;
}
.choose_zdy_t2 dl {
    background-color: #f5f5f5;
    border-radius: 0.06rem;
    margin-bottom: 0.2rem;
    padding: 0.2rem;
}
.choose_zdy_t2 dl:last-child {
    margin-bottom: 0.3rem;
}
.choose_zdy_t2 dl dt {
    color: #333333;
    font-size: 0.28rem;
    font-weight: 800;
    line-height: initial;
    margin-bottom: 0.2rem;
}
.choose_zdy_t2 ul {
    padding: 0 0.2rem;
}
.choose_zdy_t2 .t1 {
    color: #333333;
    font-size: 0.28rem;
    margin-bottom: 0.3rem;
    font-weight: 800;
    padding: 0 0.2rem;
}
.choose_zdy_t2 li {
    margin-bottom: 0.3rem;
}
.choose_zdy_t2 li h4 {
    color: #333333;
    font-size: 0.28rem;
    font-weight: normal;
    margin-bottom: 0.1rem;
}
.nav_footer {
    position: fixed;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #333333;
    font-size: 0.28rem;
    height: 0.98rem;
	background-color: #ffffff;
	box-shadow: 0rem 0rem 0.43rem 0rem 
		rgba(144, 166, 195, 0.19), 
		inset 0rem 0.01rem 0rem 0rem 
        #f0f0f0;
    width: 100%;
}
.nav_footer .t1 {
    margin-left: 0.33rem;
    display: flex;
    align-items: center;
}
.nav_footer .price {
    color: #ff4341;
    font-size: 0.24rem;
}
.nav_footer .price span {
    font-size: 0.36rem;
    font-weight: 800;
    line-height: 0.35rem;
}
.nav_footer .t2 {
    display: flex;
    width: 2.86rem;
    background-color: #4681fc;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 0.3rem;
    height: 100%;
}
.item_wrap2 {
    position: fixed;
    width: 100%;
    top: 1.76rem;
    left: 0;
    bottom: 0.98rem;
    display: none;
    justify-content: space-between;
}
.item_wrap2_left {
    width: 1.63rem;
    background-color: #f5f5f5;
    overflow-y: auto;
}
.item_wrap2_left a {
    display: block;
    color: #666666;
    padding: 0.3rem 0 0.3rem 0.3rem;
}
.item_wrap2_left a.on {
    color: #333333;
    background: #fff;
}
.item_wrap2_right {
    flex: 1;
    width: 0;
    background: #fff;
    padding: 0 0 0 0.25rem;
    overflow-y: auto;
}
.item_wrap2_right li {
    border-bottom: 1px solid #f5f5f5;
    padding: 0 0.2rem 0 0;
}
.item_wrap2_hd {
    display: flex;
    color: #333333;
    font-size: 0.26rem;
    justify-content: space-between;
    align-items: center;
    padding: 0.2rem 0;
}
.item_wrap2_hd.off .t3,
.item_wrap2_hd.off .t2,
.item_wrap2_hd.off {
    color: #b3b3b3 !important;
}
.item_wrap2_hd .t1 {
    flex: 1;
    width: 0;
    overflow: hidden;
    margin-right: 0.2rem;
}
.item_wrap2_hd .t2 {
    color: #666666;
    font-size: 0.26rem;
    display: flex;
    align-items: center;
}
.item_wrap2_hd .t2 img {
    width: 0.28rem;
    height: auto;
    margin-left: 0.06rem;
}
.item_wrap2_hd .t3 {
    color: #333333;
    font-size: 0.26rem;
    margin: 0 0.18rem;
}
.item_wrap2_hd .t4 {
    position: relative;
}
.item_wrap2_hd .t4 input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
}
.item_wrap2_hd .t4 em {
    display: block;
    width: 0.36rem;
    height: 0.36rem;
    background: url(./img/check_1.png) no-repeat center/100%;
}
.item_wrap2_hd.off .t4 input:checked + em {
    background: url(./img/check_3.png) no-repeat center/100%;
}
.item_wrap2_hd .t4 input:checked+em {
    background: url(./img/check_2.png) no-repeat center/100%;
}
.item_wrap2_bd {
    color: #666666;
    font-size: 0.26rem;
    line-height: 0.36rem;
    padding: 0.2rem;
    background-color: #f7f7f7;
    border: solid 0.01rem rgba(229, 229, 229, 0.71);
    position: relative;
    border-radius: 0.06rem;
    margin: 0 0 0.2rem;
    display: none;
}
.item_wrap2_bd::before {
    content: '';
    left: 0.5rem;
    border: 0.2rem solid transparent;
    border-bottom-color: #f7f7f7;
    top: -0.4rem;
    position: absolute;
}

@media screen and (min-width: 780px) {
    html {
        background-color: #F7F7F7;
        margin: 0 auto;
    }

    html, body, .tab_wrap .hd, .top_nav, .item_wrap2, .nav_footer {
        max-width: 800px;
        left: auto;
    }

    .item_wrap2 {
        margin-left: -25px;
    }
}