.banner {
    width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
    margin-top: 130px;
}

.banner .container {
    background: url('../images/u0.jpg') no-repeat;
    background-size: cover;
    width: 100%;
    display: flex;
    box-sizing: border-box;
    min-height: 400px;
    justify-content: center;
    align-items: center;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    flex-direction: column;
}

.banner .container h1 {
    font-size: 2rem;
    font-weight: 600;
}

.banner .container h2 {
    font-size: 18px;
    margin-top: 20px;
    font-weight: normal;
}

.navtab {
    margin: 50px auto;
    width: 1200px;
    margin-bottom: 20px;
}

.navtab p {
    display: block;
    text-align: center;
    font-size: 15px;
    margin-top: 20px;
}

.navtab ul {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
}
.navtab ul li {
    padding: 15px 50px;
    background-image: linear-gradient(to right, #FEE3C5, #ACEEFC);
    text-align: center;
    cursor: pointer;
}
.navtab ul li:first-child {
    border-bottom-left-radius: 30px;
    border-top-left-radius: 30px;
    border: 1px solid #797979;
    border-right-width: 0;
}
.navtab ul li:last-child {
    border-top-right-radius: 30px;
    border-bottom-right-radius: 30px;
    border: 1px solid #797979;
    border-left-width:  0;
}
.navtab ul li.active {
    background: #fff;
    color: #000;
}

.list {
    width: 1200px;
    box-sizing: border-box;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.list .item {
    box-sizing: border-box;
    border: #ccc 1px solid;
    border-radius: 10px;
    width: 230px;
    min-height: 265px;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.list .item h5, .list .item span {
    display: none;
}
.list .item:hover{
    background-image: linear-gradient(to top right, #ffe3c5 0%, #a7efff 100%);
}
.list .item:hover img, .list .item:hover h3, .list .item:hover p {
    display: none;
}
.list .item:hover h5, .list .item:hover span {
    display: block;
}
.list .item h5 {
    font-size: 1rem;
    font-weight: 600;
    padding: 0 0 10px 0;
}
.list .item span {
    color: #555;
    font-size: 15px;
}
.list .item img {
    width: 50px;
}
.list .item h3 {
    font-size: 1rem;
    font-weight: 600;
    padding: 30px 0;
}
.list .item p {
    font-size: 15px;
}
.cooperation {
    box-sizing: border-box;
    width: 1200px;
    margin: 50px auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f5f5f5;
    border-radius: 20px;
    padding: 20px;
}
.cooperation .text {
    box-sizing: border-box;
    padding: 20px;
}

.cooperation .text h5 {
    font-size: 16px;
    font-weight: normal;
}

.cooperation .text h2 {
    font-size: 2rem;
    font-weight: 600;
    margin: 20px 0 30px 0;
}

.cooperation .text p {
    line-height: 2;
    font-size: 15px;
}

.cooperation .images {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cooperation .images .pingpai {
    background: url("../images/cooperation_bg_1.png");
    box-sizing: border-box;
    display: flex;
    padding: 50px 20px 250px 20px;
    align-items: center;
    justify-content: center;
    border: #ccc 1px solid;
    /* background: #fff; */
    border-radius: 10px;
    flex-direction: column;
}

.cooperation .images h5 {
    font-size: 1rem;
    font-family: 600;
    margin-bottom: 20px;
}

.cooperation .images p {
    font-size: 15px;
    font-weight: normal;
}

.cooperation .images .two {
    margin-left: 20px;
    box-sizing: border-box;
}

.cooperation .images .two ul {
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.cooperation .images .two ul li {
    box-sizing: border-box;
    border: #ccc 1px solid;
    border-radius: 10px;
    padding: 50px 20px;
    text-align: center;
    background: #fff;
    width: 100%;
    margin: 10px 0;
}
.cooperation .images .two ul li:nth-child(1) {
    background: url("../images/cooperation_bg_2.png");
}