/* banner */

.c-banner {
    width: 100%;
    position: relative;
}

.c-banner img {
    width: 100%;
}

.c-banner .banner ul {
    list-style: none;
    padding-left: 0px;
    margin-bottom: 0px;
}

.c-banner .banner ul li {
    position: absolute display: none;
    opacity: 0;
}

.c-banner .banner ul li:nth-child(1) {
    opacity: 1;
    display: block;
}

.c-banner .banner ul li img {
    width: 100%;
    position: absolute;
    top: 0px;
}

.c-banner .banner ul li:first-child img {
    position: relative;
}

.c-banner .nexImg,
.c-banner .preImg {
    padding: 25px 10px 25px 10px;
    position: absolute;
    top: 50%;
    margin-top: -53px;
    background: red;
    opacity: 0.5;
    border-radius: 5px;
    z-index: 10;
}

.c-banner .nexImg:hover,
.c-banner .preImg:hover {
    opacity: 0.8;
}

.c-banner .nexImg {
    right: 0px;
}

.c-banner .nexImg img,
.c-banner .preImg img {}

.c-banner .jumpBtn {
    width: 100%;
    position: absolute;
    bottom: 20px;
    text-align: center;
}

.c-banner .jumpBtn ul {
    margin-bottom: 0px;
    padding: 0px;
}

.c-banner .jumpBtn ul li {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    background-color: white;
    opacity: 0.9;
    margin-left: 10px;
}

.c-banner .jumpBtn ul li:first-child {
    margin-left: 0px;
}

@media screen and (max-width:768px) {
    .c-banner {
        width: 100%;
        height: 345px;
        overflow: hidden;
    }
    .c-banner .banner2 ul li img {
        width: 768px;
        height: 345px;
        position: absolute;
        left: 50%;
        margin-left: -384px;
    }
}