.head .banner {
    width: 100%;
    height: 45vw;
    background: url(/pub2025_m/banner_m.png) no-repeat center;
    background-size: 100% 100%;
}

.head .banner .logo {
    width: 65%;
    margin: 0 auto;
    padding-top: 6vw;
}

.head .search {
    margin: .3rem auto 0;
    width: 65%;
}

.head .search form {
    position: relative;
    width: 100%;
    height: .6rem;
    line-height: .6rem;
    display: block;
    background: #ffffff;
    overflow: hidden;
    border: 1px solid #79161b;
    border-radius: .8rem;
}

.head .search form input {
    height: 100%;
    float: left;
    background: none;
    border: none;
    width: 80%;
    text-indent: 10px;
}

.head .search form button {
    width: 20%;
    text-align: center;
    height: .6rem;
    background: #79161b;
    cursor: pointer;
    float: left;
    border-radius: .8rem;
    border: none;
}

.head .banner .logo img {
    width: 100%;
}

.head .nav_m {
    width: 100%;
    background: #79161b;
    position: relative;
    display: flex;
    flex-wrap: wrap;
}

.head .nav_m li.index img {
    width: 0.4rem;
}

.head .nav_m li {
    width: 33.33%;
    height: .8rem;
    line-height: .8rem;
    color: #ffffff;
    text-align: center;
}


.head .nav_m li.hang {
    margin-left: 16%;
}

.head .nav_m li.active {
    background: #944549;
}