* {
    margin: 0;
    padding: 0;
    font-size: 14px;
    box-sizing: border-box;
    font-family: 'Microsoft Yahei', '微软雅黑', Arial, sans-serif;
}
html,
body {
    height: 100%;
}
ul,
li {
    list-style: none;
}
a {
    text-decoration: none;
}
img {
    border: none;
}

.html-header {
    width: 100%;
    z-index: 99999;
    padding-top: 15px;
    padding-bottom: 15px;
}

.html-header .nav-item {
    position: relative;
    margin-left: 2.5rem;
}

.html-header .nav-item:first-child {
    margin-left: 0px;
}

.html-header .nav-link {
    color: #fff;
    font-size: 16px;
    padding: 0.5rem 0rem;
    position: relative;
}

.html-header .nav-link.active::after {
    content: ' ';
    left: 0;
    right: 0;
    top: 100%;
    border-bottom: 2px solid #fff;
    position: absolute;
}

.html-header .dropdown-menu {
    width: 140px;
    border: none;
    margin: 0px 0px;
    padding: 0px 0px;
    border-radius: 0px;
}

.html-header .nav-item:hover .dropdown-menu {
    display: block;
}

.html-header .dropdown-item {
    padding: 0.7rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(150, 100, 60, 0.2);
    color: #002f5e;
}

.html-header .dropdown-item:hover {
    color: #002f5e;
    background-color: #fff;
}

.footer-container {
    background-color: #fff;
}

.footer-flex {
    color: #666;
    font-size: 14px;
    padding-top: 30px;
    padding-bottom: 30px;
    flex-direction: column;
    justify-content: space-between;
    display: flex;
}

.footer-flex a {
    color: #666;
    margin-right: 30px;
}

.footer-flex a:last-child {
    margin-right: 0px;
}

.header-content {
    align-items: center;
    justify-content: space-between;
    display: flex;
}

.menu_button {
    width: 24px;
    height: 24px;
    cursor: pointer;
    position: relative;
}
.menu_button i {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    margin-bottom: 6px;
    transition: all 0.3s;
}

.menu_button i:last-child {
    margin-bottom: 0px;
}

.navbody .menu_button i:first-child {
    left: 0;
    top: 8px;
    transform: rotateZ(45deg);
    position: absolute;
}
.navbody .menu_button i:last-child {
    top: 8px;
    left: 0;
    transform: rotateZ(-45deg);
    position: absolute;
}
.navbody .menu_button i:nth-child(2) {
    display: none;
}

.navbar-block{
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 9999999;
    position: fixed;
    display: none;
}

.navbar-content{
    width: 70vw;
    height: 100%;
    transform: translateX(-100%);
    border-top-right-radius: 12px;
    border-bottom-right-radius: 12px;
    transition: transform 0.3s;
    background-color: #fff;
}

.navbar-content a{
    color: #666;
}

@media (min-width: 576px) {
    .footer-flex {
        flex-direction: column;
    }
}

@media (min-width: 768px) {
    .footer-flex {
        flex-direction: row;
    }
}

@media (min-width: 992px) {
    .header-naving {
        display: block;
    }
}

@media (min-width: 1200px) {
}