/* ------------------------banner--------------------------- */

.banner {
    width: 100%;
    overflow: hidden;
}

.banner img {
    width: 100%;
    object-fit: cover;
}

/* ------------------------sun-nav--------------------------- */

.sun-nav {
    width: 100%;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.9);
    position: absolute;
    margin-top: -60px;
}

.sun-nav ul {
    text-align: center;
    font-size: 0;
}

.sun-nav ul li {
    display: inline-block;
    width: 240px;
    text-align: center;
    font-size: 16px;
    color: #171717;
    line-height: 60px;
    cursor: pointer;
    transition: all .5s ease;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    -khtml-user-select: none;
    user-select: none;
}

.sun-nav-active {
    background-color: #1ab2a9;
    color: #fff !important;
}

.sun-nav ul li:hover {
    background-color: #1ab2a9;
    color: #fff;
}

/* --------------------------------matter-list--------------------------------- */

.matter-box {
    width: 100%;
    overflow: hidden;
    margin: 100px 0 60px 0;
}

.matter-list {
    width: 1240px;
    height: 740px;
    background-image: url('../images/company/our_time2.png');
    background-repeat: no-repeat;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}





/* -------------------------PC端--------------------------- */

@media all and (max-width:1700px) {}

@media all and (max-width:1460px) {}

@media all and (max-width:1380px) {}

@media all and (max-width:1300px) {}

@media all and (max-width:1280px) {}

@media all and (max-width:1240px) {
    .sun-nav ul li {
        width: 160px;
    }
    .matter-list {
        width: 100%;
    }
    .bene-list {
        width: 100%;
    }
    .matter-list {
        width: 100%;
    }
}


/* ------------------------手机端-------------------------- */

@media all and (max-width:900px) {
    .sun-nav {
        width: 100%;
        height: auto;
        position: relative;
        margin-top: 0px;
    }
    .sun-nav ul li {
        display: block;
        float: left;
        width: 50%;
        font-size: 16px;
        line-height: 50px;
        border-bottom: 1px solid #f3f3f3;
    }
    .matter-list {
        width: 100%;
        height: auto;
        background-image: none;
        margin: 0 auto;
        overflow: hidden;
        position: relative;
    }

}