.top_banner {
    position: relative;
    background: url(../images/sub3.jpg)no-repeat center center/cover;
    height: 50vh;
    margin: 0 0 70px 0;
    border-bottom: 1px solid #ddd;
}

.top_banner .img_box {
    position: absolute;
    top: 0;
    left: 0;
    width: 300px;
    transform: translate(270%, 90%);
}

.total_banner {}

.total_banner .menu {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.total_banner .menu li {
    position: relative;
    font-size: 20px;
    font-weight: 300;
    margin: 0 20px;
}

.total_banner .menu li::before {
    position: absolute;
    content: "";
    bottom: -15px;
    left: 50%;
    width: 0;
    height: 2px;
    transform: translate(-50%, 0);
    background: #52796f;

    transition: 0.5s;
}

.total_banner .menu li:hover {
    color: #52796f;
    font-weight: 500;
}

.total_banner .menu li:hover::before {
    width: 100%;
}

.mainNews h2 {
    font-size: 25px;
    margin: 0 0 20px 0;
}

.mainNews .main_list li {
    position: relative;
    margin: 0 0 10px 0;
}

.mainNews .main_list li::before {
    position: absolute;
    content: "";
    top: 30%;
    left: 0%;
    width: 11px;
    height: 12px;
    background: url(../images/icon_hot.gif);
}

.mainNews .main_list li::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: #ddd;
}

.mainNews .main_list a {
    position: relative;
    z-index: 999;
    display: block;
    padding: 40px 50px;
}

.mainNews .main_list strong {
    display: block;
    margin: 0 0 20px 0;

    font-size: 22px;
    font-weight: 300;
    color: #111;
}

.mainNews .main_list strong:hover {
    color: #52796f;
    font-weight: 500;
}

.mainNews .main_list .new {
    font-weight: 500;
}

.mainNews .main_list span {
    font-size: 14px;
}

.mainNews .cate {
    position: absolute;
    top: 50%;
    right: 50px;
    transform: translate(0, -50%);

    font-size: 14px;
    font-weight: 300;
}

.mainNews .cate i {
    margin: 0 0 0 30px;
}