*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
.container{
    margin: 80px auto 0;
    width: 1200px;
}
input{
    outline: none;

}
a{
    text-decoration: none;
}
.flex {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.row-left {
    justify-content: flex-start;

}

.row-center {
    justify-content: center;
}
.row-between{
    justify-content: space-between;

}


.row-right {
    justify-content: flex-end;

}

.col-top {
    align-items: flex-start;
}

.col-bottom {
    align-items: flex-end;
}


.container-fluid {
    padding: 0;
}
 
.navWrap {
    margin:  0 auto;
    width: 1200px;
    height: 120px;
    line-height: 120px;
    text-align: center;
}
.nav a{
    /* width: 300px; */
    margin: 0 50px;
}

.logo {
    width: 82px;
    height: 82px;
}

.freeBtn { 
    width: 120px;
    height: 40px;
    background: #ff6600;
    text-align: center;
    line-height: 40px;
    color: #fff;
    border-radius: 20px;
    font-size: 16px;
    cursor: pointer;
}

.nav a {
    color: #333333;
    font-size: 20px;
    text-decoration: none;
}

.nav a:hover {
    color: #FF6600;
    font-weight: bold;
}

.nav .current {
    color: #FF6600;
    font-weight: bold;
}

.swiper {
    width: 100%;
    min-width: 1200px;
    height: 700px;
    overflow: hidden;
    position: relative;
}

.swiper-wrapper {
    width: 100%;
    height: 100%;
}

.swiper .swiper-slide {
    width: 100%;
    height: 100%; 
}
.swiper .swiper-slide img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-pagination-bullet {
    width: 14px;
    height: 14px;
    opacity: 0.6;
    background: #ffffff;
}

.swiper-pagination-bullet-active {
    width: 28px;
    height: 14px;
    background: #ffffff;
    border-radius: 6px;
    opacity: 1;
}

.sidebar {
    position: fixed;
    top: 280px;
    right: 50px;
    z-index: 1000;
}

.sidebar img {
    width: 80px;
    height: 80px;
    overflow: hidden;
    display: block;
    cursor: pointer;
}