@charset "utf-8";
body, h1, h2, h3, h4, ul, li, p, dl, dd {
    margin: 0;
    padding: 0;
    outline: none;
}

body {
    color: #474343;
    font-size: 13.5px;
    font-family: "microsoft YaHei";
}

a {
    text-decoration: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    outline: none;
    color: #000;
}

li {
    list-style: none;
}

img {
    border: none;
}

nav, section, footer, aside {
    display: block;
}

h1, h2, h3, h4 {
    font-weight: normal;
}

.f_c {
    *zoom: 1;
}

.f_l {
    float: left;
}

.f_r {
    float: right;
}

.all {
    padding-top: 45px;
}

.clear {
    clear: both;
}

.top {
    background: url(https://image2.163yu.com/pc/huojiang/topbj.jpg) no-repeat;
    background-size: cover;
    width: 100%;
    height: 201.75px;
}

.logo {
    width: 203.25px;
    height: 93px;
    margin: 0 auto;
}

.logo img {
    margin-top: 52.5px;
    max-width: 100%;
    height: auto;
}

.nav {
    background-color: #968a6c;
    height: 64.5px;
    width: 100%;
}

.nav ul {
    width: 1245px;
    height: 64.5px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav ul li {
    height: 64.5px;
    line-height: 64.5px;
    text-align: center;
    font-size: 15.75px;
    color: #fff;
    margin: 0 18.75px;
}

.nav ul li a {
    color: #fff;
}

.banner {
    width: 100%;
    background: url(https://image2.163yu.com/pc/huojiang/banner.jpg) no-repeat;
    background-size: cover;
    height: 579.75px;
}

.con {
    background: url(https://image2.163yu.com/pc/huojiang/bodybj.jpg) repeat-y;
    width: 100%;
    background-size: 100% auto;
}

.biaoti {
    height: 180px;
}

.biaotic {
    margin: 0 auto;
    width: 311.25px;
    height: 94.5px;
}

.biaotic img {
    margin-top: 37.5px;
    max-width: 100%;
    height: auto;
}

.biaotic1 {
    margin: 0 auto;
    width: 543px;
    height: 94.5px;
}

.biaotic1 img {
    margin-top: 37.5px;
    max-width: 100%;
    height: auto;
}

.jiang {
    width: 1200px;
    margin: 0 auto;
}

.jiang ul {
    width: 100%;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.jiang li {
    width: 210px;
    height: 333px;
    margin: 0 15px 30px;
}

.jiang li img {
    width: 210px;
    height: 333px;
}

.bottom {
    background: url(https://image2.163yu.com/pc/huojiang/bottombj.png) no-repeat;
    background-size: cover;
    width: 100%;
    height: 317.25px;
}

.bottomgd {
    width: 327.75px;
    height: 134.25px;
    margin: 0 auto;
    padding-top: 90px;
}

.bottomgd img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 923.25px) {
    .top {
        height: auto;
        padding: 37.5px 0;
        background-position: center;
    }

    .logo {
        width: min(203.25px, 40vw);
        height: auto;
    }

    .logo img {
        margin-top: 0;
    }

    .nav {
        height: auto;
        padding: 12px 0;
    }

    .nav ul {
        width: calc(100% - 18px);
        height: auto;
        flex-wrap: wrap;
        gap: 0 9px;
    }

    .nav ul li {
        margin: 0 7.5px;
    }

    .banner {
        height: clamp(240px, 48vw, 579.75px);
        background-position: center;
    }

    .biaoti {
        height: auto;
        padding: 30px 0;
    }

    .biaotic,
    .biaotic1 {
        width: 100%;
        height: auto;
        max-width: 543px;
    }

    .biaotic {
        max-width: 311.25px;
    }

    .biaotic img,
    .biaotic1 img {
        margin-top: 0;
    }

    .jiang {
        width: calc(100% - 18px);
    }

    .jiang ul {
        justify-content: center;
        gap: 18px 15px;
    }

    .jiang li {
        width: calc(25% - 15px);
        max-width: 210px;
        height: auto;
        margin: 0;
    }

    .jiang li img {
        width: 100%;
        height: auto;
    }

    .bottom {
        height: auto;
        padding: 60px 0;
        background-position: center;
    }

    .bottomgd {
        width: min(100%, 327.75px);
        height: auto;
        padding-top: 0;
    }
}

@media (max-width: 810px) {
    .jiang li {
        width: calc(33.3333% - 13.5px);
    }
}

@media (max-width: 675px) {
    .jiang li {
        width: calc(50% - 9px);
    }
}