/* 导航 */

.section-nav {
    width: 100%;
    font-size: 0.83vw;
    line-height: 1.5;
    padding: 1.56vw 0;
    background: #fff;
    color: #a7a7a7;
    /* border-bottom: 1px solid #ececec; */
    position: relative;
}

.section-nav-aa {
    max-width: 1440px;
    margin: auto;
    width: 100%;
    /* display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row; */
}

.s-nav-1 {
    padding-left: 20px;
}

.s-nav-2 ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
}

.s-nav-2 ul li {
    margin-right: 1.86vw;
    position: relative;
    cursor: pointer;
}

.s-nav-2 ul li:nth-last-child(){
    margin-right: 1.04vw;
}

.s-nav-2 a {
    color: #a7a7a7;
    text-decoration: none;
    cursor: pointer;
}

.section-active a {
    color: #000
}

.section-active {
    color: #000
}

.section-active::after {
    content: '';
    width: 100%;
    height: 2px;
    background: #000;
    position: absolute;
    bottom: -1.56vw;
    left: 0;
}

.s-nav-fixed {
    position: fixed;
    top: 0px;
    z-index: 999;
}

.one-active {
    display: none;
}





@media screen and (max-width:768px) {
    .section-nav-aa {
        align-items: flex-start;
        padding: 13px 0;
        display: flex;
    justify-content: space-between;
    flex-direction: row;
    }

    .section-nav {
        position: fixed;
        width: 100%;
        /* top: 51px; */
        z-index: 999;
        font-size: 12px;
        line-height: 1.5;
        padding: 0 0 0 0;
        background: #fff;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        flex-direction: row;
        color: #a7a7a7;
    }

    .section-active::after {
        content: '';
        width: 0;
        height: 0;
        background: none;
        position: absolute;
        bottom: 0;
        left: 0%;
    }
    .s-nav-icon-top {
        width: 16px;
        height: 16px;
        margin-right: 20px;
        /* background: url(../images/header/bottom.png) no-repeat; */
        background-size: 100%;
        /* margin-top: 1px; */
    }
    .s-nav-icon-top::before{
     transform: rotate(90deg);
    }

    .s-nav-icon-bottom {
        width: 16px;
        height: 16px;
        margin-right: 20px;
        /* background: url(../images/header/top.png) no-repeat; */
        background-size: 100%;
        /* margin-top: 3px; */
    }


    .s-nav-2 ul {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        flex-direction: column;
        margin-right: 0;
        width: 17vw;
    }

    .s-nav-2 ul li {
        display: none;
    }

    .s-nav-2 ul .section-active {
        display: block;
    }

    .s-nav-2 {
        display: flex;
        align-items: stretch;
        justify-content: center;
        flex-direction: row;
        margin-top: 6px;
    }

    .s-nav-2 ul li {
        padding-right: 0;
        position: relative;
        cursor: pointer;
        margin-bottom: 2vw;
    }
    .s-nav-2 ul .section-active {
        display: block;
        /* margin-bottom: 0; */
    }
    .s-nav-2 ul li:nth-of-type(1) {
        padding-right: 0;
    }

    .s-nav-2 ul li:nth-of-type(2) {
        padding-right: 0;
    }

    .s-nav-2 ul li:nth-of-type(3) {
        padding-right: 0;
    }

    .s-nav-2 ul li:nth-of-type(4) {
        padding-right: 0;
    }

    .section-1 {
        padding-top: 22vw;
    }

    .s-nav-1 {
        font-size: 16px;
        font-weight: bold;
        /* padding-bottom: 3vw; */
    }

    .private-question-component-v3 {
        padding-top: 9.46vw;
    }
}

@media screen and (max-width:414px) {
    .s-nav-2 ul {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        flex-direction: column;
        margin-right: 2px;
        width: 25vw;
    }

    .s-nav-icon-top {
        /* margin-top: 2px; */
    }

    .s-nav-icon-bottom {
        margin-top: 2px;
    }


}
@media screen and (max-width:359px) {
    .s-nav-2 ul {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        flex-direction: column;
        margin-right: 2px;
        width: 27vw;
    }

   

}