.whole {
    background: #F5F5F5;
}

/*banner start*/
.banner {
    width: 100%;
    /*max-height: 300px;*/
    margin-top: 80px;
    position: absolute;
}
.top-box {
    position: relative;
    z-index: 99;
    top: 80px;
    margin-bottom: 80px;
}

.title {
    width: 100%;
    text-align: center;
    /*margin-top: 80px;*/
    /*position: absolute;*/
    /*top: 66px;*/
    position: unset;
    z-index: 99;
    min-height: 160px;
    margin-bottom: 0;
}

.title-center {
    color: #FFFFFF;
}

.banner-img {
    width: 100%;
    /*height: 300px;*/
    object-fit: cover;
}

.theme-box {
    width: 100%;
    margin: 0 0 80px;
    position: relative;
    z-index: 99;
}

.theme {
    width: 1200px;
    margin: 0 auto;
    padding: 0;
}

.theme-ul {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.theme-li {
    width: 31%;
    height: 260px;
    margin-bottom: 40px;
    position: relative;
    background: #FFFFFF;
    margin-right: 42px;
    padding: 0;
}

.theme-li:nth-child(3n) {
    margin-right: 0;
}

.theme-li-img {
    width: 165px;
    height: auto;
    position: absolute;
    right: 30px;
    top: 16px;
    z-index: 0;
}

.theme-li-icon2 {
    width: 60px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    background: #FFF1EA;
    font-weight: 600;
    font-size: 36px;
    color: #FF702B;
}

.theme-li a{
    width: 100%;
}
.theme-li-con{
    padding: 0 30px;
    padding-top: 24px;
}
.theme-li-title {
    font-weight: 600;
    font-size: 20px;
    color: #333333;
    line-height: 28px;
    margin: 29px 0 42px;
    text-align: left;
    position: relative;
}

.theme-li-txt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    line-height: 48px;
    padding: 0 30px;
    cursor: pointer;
    position: absolute;
    bottom: 0;
    width: 100%;
    left: 0;
}

.theme-li-icon {
    display: none;
    width: 20px;
    height: 20px;
}

.theme-li-txt:hover {
    background: #FF702B;
}

.theme-li-txt:hover .theme-li-text {
    color: #FFFFFF;
}

.theme-li-txt:hover .theme-li-icon {
    display: block;
}

.theme-li-text {
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    line-height: 20px;
}

.pagination li:nth-child(2) {
    display: none;
}

.pagination li:nth-last-child(2) {
    display: none;
}

@media screen and (min-width: 768px) and (max-width: 1280px) {
    .theme-box {
        margin-bottom: 0;
    }

    .title {
        min-height: 90px;
    }

    .title-left {
        margin-right: 29px;
    }

    .title-center {
        font-size: 40px;
        line-height: 56px;
    }

    .title-right {
        margin-left: 29px;
    }

    .theme {
        width: 100%;
        padding: 0 48px;
    }

    .theme-ul {
        flex-wrap: wrap;
    }

    .theme-li {
        width: 48%;
        margin-right: 35px;
    }

    .theme-li:nth-child(2n) {
        margin-right: 0;
    }

    .theme-li:nth-child(3n) {
        margin-right: auto;
    }

    .theme-li-txt:hover {
        background: transparent;
    }

    .theme-li-txt:hover .theme-li-text {
        color: #666666;
    }

    .theme-li-txt:hover .theme-li-icon {
        display: none;
    }
}
@media screen and (min-width: 480px) and (max-width: 767px) {
    .banner {
        margin-top: 44px;
        /*height: 150px;*/
    }
    .banner-img {
        height: 100%;
    }
    .title {
        min-height: 50px;
    }

    .title-left {
        width: 48px;
        height: 1px;
        margin-right: 20px;
    }

    .title-center {
        font-size: 24px;
        line-height: 33px;
    }

    .title-right {
        width: 48px;
        height: 1px;
        margin-left: 20px;
    }

    .theme-box {
        /*margin-top: -40px*/
    }
    .theme {
        width: 100%;
        padding: 0 20px;
    }
    .theme-ul{
        padding-bottom: 40px;
    }
    .theme-li{
        /*width: 100%;*/
        width: 49%;
        height: auto;
        margin-right: 0;
    }
    .theme-li-img{
        width: 120px;
    }
    .theme-li-title{
        font-size: 18px;
        line-height: 28px;
    }
    .theme-li:last-child{
        margin-bottom: 0;
    }
    .theme-li-txt:hover {
        background:transparent;
    }

    .theme-li-txt:hover .theme-li-text {
        color: #666666;
    }

    .theme-li-txt:hover .theme-li-icon {
        display: none;
    }
}
/*手机端*/
@media screen and (min-width: 0px) and (max-width: 480px) {
    .banner {
        margin-top: 44px;
        /*height: 150px;*/
    }
    .top-box {
        top: 44px;
    }

    .banner-img {
        height: 100%;
    }

    .title {
        /*top: 40px;*/
        min-height: 50px;
    }

    .title-left {
        width: 48px;
        height: 1px;
        margin-right: 20px;
    }

    .title-center {
        font-size: 24px;
        line-height: 33px;
    }

    .title-right {
        width: 48px;
        height: 1px;
        margin-left: 20px;
    }

    .theme-box {
        /*margin-top: -40px*/
    }

    .theme {
        width: 100%;
        padding: 0 20px;
    }

    .theme-li {
        width: 100%;
        height: auto;
        margin-right: 0;
    }

    .theme-li-img {
        width: 120px;
    }

    .theme-li-title {
        font-size: 18px;
        line-height: 28px;
    }

    .theme-li:last-child {
        margin-bottom: 0;
    }

    .theme-li-txt:hover {
        background: transparent;
    }

    .theme-li-txt:hover .theme-li-text {
        color: #666666;
    }

    .theme-li-txt:hover .theme-li-icon {
        display: none;
    }
}