/* 头部 */
.logo_img {
    width: 300px;
}

.header {
    width: 100%;
    height: 70px;
    background-color: black;
}

.header-logo {
    height: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
}

.header-nav {
    height: 60px;
    line-height: 60px;
    color: #fff;
}

/* 导航 */
.nav-item {
    margin-left: 40px;
    margin-right: 20px;
}

/* 选择所有class为nav-link的元素 */
.nav .nav-item a {
    /* 设置链接字体大小、颜色等属性 */
    font-size: 15px;
    color: #bdbebe;
}

/* 当鼠标悬停时更改链接背景颜色 */
.nav .nav-item a:hover {
    color: #fff;
    /* background-color: #e9ecef; */
}

/* 当链接被点击时更改链接背景颜色 */
.nav .nav-item a.active {
    color: #fff;
}

.header-tel {
    height: 70px;
    line-height: 70px;
    color: #fff;
}

.rightHeader {
    width: 100%;
    height: 70px;
    background-color: #fff !important;
}

.rightHeader-logo {
    height: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
}

.rightHeader-nav {
    height: 60px;
    line-height: 60px;
    color: #343433;
}

/* 导航 */
.nav-item {
    margin-left: 40px;
    margin-right: 20px;
}

/* 选择所有class为nav-link的元素 */
.rightHeader-nav .nav .nav-item a {
    /* 设置链接字体大小、颜色等属性 */
    font-size: 15px;
    color: #343433;
}

/* 当鼠标悬停时更改链接背景颜色 */
.rightHeader-nav .nav .nav-item a:hover {
    color: #000;
    font-weight: bold;
    /* background-color: #e9ecef; */
}

/* 当链接被点击时更改链接背景颜色 */
.rightHeader-nav .nav .nav-item a.active {
    color: #000;
    font-weight: bold;
}

.rightHeader-tel {
    height: 70px;
    line-height: 70px;
    color: #000;
}

.tel-title {}

/* 介绍 */
.introduce-img {
    width: 100%;
    height: 900px;
}

.introduce-main {
    position: absolute;
    top: 0px;
    width: 100%;
    height: 900px;
}

.introduce-card {
    margin-top: 10%;
    margin-left: 15%;
}

.introduceCard-bigTitle {
    font-size: 40px;
    font-family: AlibabaPuHuiTi_2_85_Bold;
    color: #343433;
    line-height: 84px;
    font-weight: bold;
}

.bigTitleColor {
    color: #fff !important;
}

.introduceCard-title {
    font-size: 21px;
    font-family: AlibabaPuHuiTi_2_55_Regular;
    color: #343433;
    line-height: 56px;
}


/* 尾部 */
.home-footer {
    width: 100%;
    height: 700px;
    background: #141B2E;
    position: relative;
}

.footer-main {
    position: absolute;
    top: 0px;
    width: 100%;
    height: 700px;
}

.footer-nav {
    width: 97%;
    margin: auto;
    margin-top: 50px;

}

.footer-logo {
    margin-left: 20px;
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
}

.footerCard {
    width: 95%;
    margin: auto;
    margin-top: 100px;
}

.footerCard-main {
    /* height: 600px; */
}

.footerCard-bigTitle {
    font-size: 28px;
    font-family: AlibabaPuHuiTi_2_85_Bold;
    color: #FFFFFF;
    line-height: 60px;
    margin-bottom: 20px;
}

.footerCard-title {
    font-size: 14px;
    font-family: AlibabaPuHuiTi_2_55_Regular;
    color: rgba(255, 255, 255, 0.75);
    line-height: 25px;
    margin-bottom: 20px;
}

.footerCard-formbtn {
    margin-top: 40px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: end;
    align-items: end;
}

.home-copyright {
    width: 100%;
    height: 70px;
    background: rgba(0, 0, 0, 1);
}

.copyright-title {
    font-size: 14px;
    font-family: AlibabaPuHuiTi_2_55_Regular;
    color: rgba(255, 255, 255, 0.75);
    line-height: 70px;
}

.form-control {
    color: #fff !important;
    border-radius: 8px !important;
    background-color: rgba(255, 255, 255, 0.1) !important;
    border-width: 0px !important;
}