/* 版心 */
.w {
    max-width: 1200px;
    margin: 0 auto;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.style_red {
    color: #2147a0;
}

/* 导航模块 */
.topl {
    width: auto;
    height: 30px;
    background-color: #2147a0;
    display: block;
    unicode-bidi: isolate;
}


.contl {
    width: auto;
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
}


.tq {
    height: 100%;
    font: 14px / 1 Microsoft YaHei, Helvetica, STHeiti STXihei, Microsoft JhengHei, Tohoma, Arial;
    color: white;
    line-height: 30px;
    display: flex;
    justify-content: space-between;
}

.topl .search-content{
    width: 260px;
    height: 100%;
    /* background-color: rgb(103, 58, 58); */
    display: flex;
    justify-content: space-between;
    position: relative;
}
.topl .search-content input{
    width: 200px;
    height: 70%;
    padding: 4px;
    box-sizing: border-box;
}
.topl .search-content .input-cover{
    width: 195px;
    height: 100%;
    background-color: #2147a0;
    /* background-color: aqua; */
    position: absolute;
    transition: 1s;
}
.topl .search-content .icon{
    width: 60px;
    position: relative;
    background-color: transparent; 
    /* background-color: red; */
    background-image: url("./../images/search.png");
    background-repeat: no-repeat;
    background-position: 40%;
}
/* .topl .search-content .icon img{
    position: absolute;
    top: 50%;
    left: 40%;
    transform: translate(-50%,-50%);
} */


.topl .search-content .button{
    width: 70px;
    height: 100%;
    /* background-color: red; */
    right: 0;
    position: absolute;
    z-index: 10;
}

.top-nav-banner-container{
    background: url('../image/head-bg_04.png') no-repeat center top;
    background-size: 100% 100%;
}

.backl {
    position: relative;
    width: 100%;
    height: fit-content;
    color: #000;
    box-sizing: border-box;
z-index: 2;
}

.backl:before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    opacity: 0.3;
    z-index: -1;
}

.logol {
    height: 106px;
    margin: 0 40px;
    position: relative;
}

.logoimgl {
    height: 100%;
    width: auto;
    margin: 0 40px;
    padding: 15px 0;
    text-align: center;
}

.logol .logoimgl img{
    width: 420px;
    height: auto;
    padding: 8px;
}

.logol .nav-bar-menu{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

.kuangl {
    width: 100%;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.7);
}

@media screen and (max-width: 1200px) {
    .top-nav-banner-container{
        background: url('../images/head-bg_03.png') no-repeat center top;
        background-size: 100% auto;
    }    
}

@media screen and (max-width: 767px) {
    .kuangl {
        display: none;
    }

    .logol .nav-bar-menu{
        display: none;
    }

    .logol .logoimgl img {
        width: 380px;
    }
}

@media screen and (max-width: 576px) {
    .logol .logoimgl img {
        width: 100%;
        padding: 0;
    }
}

@media screen and (max-width: 538px) {
    .logol {
        margin: 0 20px;
    }

    .logoimgl {
        margin: 0 0 0 30px;
    }

    .logol .nav-bar-menu {
        display: none;
    }
}

.navbar {
    max-width: 1200px;
    margin: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}

.nav-item {
    position: relative;
}

.dhtitlel {
    text-align: center;
    height: 44px;
    line-height: 44px;
    font-size: 16px;
    color: #000;
    text-decoration: none;
}

.navbar a:hover {
    color: #2147a0;
}

.submenu {
    text-align: center;
    display: none;
    /* 默认隐藏 */
    position: absolute;
    top: 100%;
    /* 放在导航栏下方 */
    left: -44px;
    background-color: white;
    list-style: none;
    padding: 0;
    margin: 0;
    min-width: 130px;
}

.submenu li {
    padding: 4px 8px;
}

.submenu li a {
    font-size: 14px;
    color: black;
    text-decoration: none;
}

.submenu li a:hover {
    color: #2147a0;
}

/* 鼠标悬浮时显示二级菜单 */
.nav-item:hover .submenu {
    display: block;
    z-index: 1;
    /* 显示二级菜单 */
}

.underl {
    border-bottom: 1px solid #ddd;
}