/* 黑色导航 */
.black-nav {
    width: 100%;
    height: 52px;
    line-height: 30px;
    background-color: black;
    font-size: 16px;
    position: relative;
}

.black-nav a {
    color: white;
}

.black-nav .wrap {
    width: 700px;
    margin: 0 auto;
}

.black-nav .wrap li {
    list-style: none;
    text-align: center;
}

.black-nav .wrap>li:first-child {
    float: left;

    padding-top: 10px;
}

.wrap>li:not(:first-child) {
    float: right;
    list-style: none;
    padding: 10px 30px;
}

/* .black-nav .wrap li {
    float: left;
    list-style: none;
    padding: 10px 30px;
} */

/* 黑色导航 */

/* 滑动窗1 */
.nav-bar-list {
    width: 100%;
    height: 350px;
    background-color: black;
    opacity: 0.6;
    position: absolute;
    left: 0;
    /* top: 100px;  */
    display: none;
    color: #f7f2f2ea;
    z-index: 9999;
    margin-top: 10px;
}

.black-nav li:hover>.nav-bar-list {
    display: block;
}

.nav-bar-list :hover {
    display: block;
}

.nav-bar-list li {
    line-height: normal;
    margin: 10px;
    margin-right: 40px;
    width: 220px;
    /* margin-right: 500px; */
    /* display: flex; */
    float: left;
}

li:not(:last-child):after {
    content: '';
    position: absolute;
    top: 50%;
    /* 将分割线定位到列表项的中间位置 */
    right: -5px;
    /* 将分割线定位到列表项的右侧 */
    transform: translateY(50%);
    width: 1px;
    height: 20px;
    /* 分割线的长度 */
    background-color: white;
    /* 分割线的颜色 */
}

.nav-bar-list div {
    font-size: 15px;
    /* margin: 0 20px; */
    width: 210px;
}

.link {
    cursor: pointer;
    font-size: 20px;
    color: rgb(255, 255, 255);
    line-height: 20.8px;
    text-align: center;
    margin-top: 21px;
    margin: 0 auto;
    text-align: center;
    padding-bottom: 15px;
}

/* 滑动窗 */
/* 滑动窗2 */
.nav-bar-list1 {
    width: 150px;
    height: 150px;
    background-color: black;
    opacity: 0.6;
    position: absolute;
    left: 57%;
    /* top: 100px;  */
    display: none;
    color: #f7f2f2ea;
    z-index: 9999;
    padding-right: 20px;
    /* margin-left: -15px; */
    margin-top: 2px;
}

.nav-bar-list1>li {
    text-align: center;
}

.black-nav li:hover>.nav-bar-list1 {
    display: block;
}

.nav-bar-list1:hover {
    display: block;
}

.nav-bar-list1 a {
    line-height: normal;
    width: 30px;
    color: #f7f4f4;
}

/* 滑动窗2 */