.menu-left {
    box-sizing: border-box;
    float: left;
    box-shadow: 4px 4px 10px 2px rgba(0, 0, 0, 0.1);
    visibility: visible;
    animation-duration: 2s;
    animation-iteration-count: 1;
    animation-name: fadeInLeft;
}

.menu-title {
    visibility: visible;
    box-sizing: border-box;
    margin-block-start: 0;
    margin-block-end: 0;
    width: 100%;
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
    font-size: 28px;
    background-color: var(--title-color);
    text-align: center;
    color: #ffffff;
    letter-spacing: 2px;
}

.menu-item:hover, .menu-item.active {
    /*background-color: rgba(var(--title-color), 0.8);*/
    background-color: rgba(255, 150, 0, 0.8);
    color: rgb(255, 255, 255);

}

.menu-list {
    width: 100%;
    transition: all 1s;
}

.menu-item {
    width: 100%;
    padding: 2.5rem 0;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.1);
    font-size: 20px;
    letter-spacing: 2px;
    text-align: center;
    cursor: pointer;
    color: rgba(0, 0, 0, 0.8);
    transition: all 0.5s;
}

#header {
    background-image: url("../images/header_bg.jpg");
    /*background-color: #ffa60f; !* 金叶黄 *!*/
}

.header {
    width: 100%;
    height: 160px;
    background: url("../images/header_bg.jpg") center center;
}

.headert2 {
    width: 100%;
    height: 4px;
    background: #6D3117;
}

.headert {
    width: 100%;
    height: 16px;
    background: url('../images/topb2.png');
}

.listfy {
    height: 60px;
    margin-top: 20px;
}

.listfy1 {
    height: 60px;
    line-height: 60px;
    font-size: 14px;
    float: left;
    margin-right: 10px;
    cursor: pointer;
}

.listfy2 {
    float: left;
    margin: 20px 10px 0 0;
}

.listfy3 {
    margin-left: 130px;
}

.left_colname {
    color: var(--title-color);
    font-size: 3.6rem;
    float: left;
}

.nav {
    background-color: var(--nav-bg-color);
}

.nav, .footer {
    background-color: var(--nav-bg-color);
    /*background: linear-gradient(to bottom, var(--nav-bg-color), darkgoldenrod);*/
}

.navbar-nav > li:hover > .dropdown-menu {
    display: block;
}

.nav-link {
    padding: 0;
    color: #DFCBA6;
    font-size: 1.8rem;
}

.navbar .nav-link:hover {
    --bs-nav-link-hover-color: #ff6600; /* 橙色 */
}

.navbar .dropdown-item {
    color: var(--nav-a-color); /* 使用变量设置悬停颜色 */
}

.navbar .dropdown-item:hover {
    color: var(--news-a-color); /* 使用变量设置悬停颜色 */
}

.dropdown-menu {
    background-color: var(--nav-bg-color);
}

.dropdown-toggle::after {
    display: none;
}

.nav-link {
    padding: 0;
    color: #DFCBA6;
    font-size: 1.8rem;
}

.navbar .nav-link:hover {
    --bs-nav-link-hover-color: #ff6600; /* 橙色 */
}

.navbar .dropdown-item {
    color: var(--nav-a-color); /* 使用变量设置悬停颜色 */
}

.navbar .dropdown-item:hover {
    color: var(--news-a-color); /* 使用变量设置悬停颜色 */
}

.navbar-toggler {
    background-color: white;
}

.footer {
    background-image: url(../images/gray_h_1.png);
    background-repeat: repeat-y;
    font-size: 1.6rem;
    color: lightgray;
}

.row {
    /* 让内容元素居中显示*/
    margin: 0 auto;
    max-width: 1200px;
}

.right-main-box {
    /*width: 1000px;*/
    /*height: 1200px;*/
    background: #ffffff;
}

.right-main-box-box {
    /*width: 860px;*/
    float: left;
    position: relative;
    padding-left: 15px;
    visibility: visible;
    animation-duration: 2s;
    animation-iteration-count: 1;
    animation-name: fadeInRight;
}

.right-main {
    /*width: 870px;*/
    min-height: 500px;
    position: relative;
    margin: 0 auto;
}

.right-main .right-map {
    width: 100%;
    height: 56px;
    line-height: 56px;
    border-bottom: 6px solid #e6ebed;
    margin: 0 auto;
}

.right-map .left {
    background-size: 30px;
    text-indent: 34px;
    float: left;
    font-size: 24px;
    color: #165068;
}

.right-map .right {
    float: right;
    font-size: 14px;
    line-height: 36px;
    margin-top: 20px;
    color: #165068;
}

.right-main .essay-list {
    width: 100%;
    margin-top: 15px;
}

.right-map a {
    font-size: inherit;
    color: inherit;
}

.essay-list li {
    width: 100%;
    height: 54px;
    line-height: 54px;
    font-size: 14px;
    text-align: left;
    text-indent: 21px;
    background: url(../images/list-head.png) left no-repeat, url(../images/list-border.png) bottom repeat-x;
}

.essay-list li .list-title {
    /*width: 750px;*/
    height: 54px;
    float: left;
    overflow: hidden;
}

.essay-list li .list-time {
    float: right;
}

.essay-list a:hover {
    color: #335b8d;
}

.btns {
    color: white;
    background: #6D3117;
    border: 1px solid #6D3117;
    width: 44px;
    height: 30px;
    font-size: 20px;
    margin-left: 0;
    display: inline-block;
    float: right;
    margin-top: 1px;
}

.common-content {
    font-size: 1.6rem;
    width: 100%;
    margin-top: 40px;
    margin-bottom: 50px;
    line-height: 28px;
    text-align: left;
}

.search {
    position: relative;
    height: 15rem; /* 父元素的高度 */
    /*background-image: url("../images/long_bg.png");*/
    background-position: 95% 66%;
    background-repeat: no-repeat;
}


.search form {
    position: absolute;
    top: 60%;
    transform: translateY(-60%);
}

@media (max-width: 479px) {
    .left_colname {
        display: none;
    }

    .list-title {
        width: 61%;
    }

    .right-map .left {
        display: none;
    }

    ul {
        list-style: none;
        text-indent: 0;
        padding-left: 0;
    }

    .essay-list li {
        text-indent: 0;
    }
}

@media (max-width: 768px) {
    .banner-img img, .logo img, .news_img img {
        max-width: 100%;
        height: auto;
    }

    .banner-img img {
        max-height: 200px;
    }

    .menu-left {
        display: none;
    }

    .list-title {
        width: 63%;
    }
}

@media (min-width: 990px) {
    .nav-item {
        float: left;
        width: 110px;
        color: #DFCBA6;
        height: 38px;
        line-height: 38px;
        font-size: 16px;
        text-align: center;
        cursor: pointer;
        z-index: 100;
        position: relative;
    }

    .dropdown-menu li {
        float: left;
        width: 200px;
        color: #DFCBA6;
        height: 38px;
        line-height: 38px;
        font-size: 16px;
        text-align: center;
        cursor: pointer;
        z-index: 100;
        position: relative;
    }
}