.index1 {
    width: 100%;
    height: 280px;
    background: url(../img/news-bg.png) no-repeat;
    text-align: center;
    padding-top: 140px;
    background-size: cover;

}

.index1 .p1 {
    font-size: 36px;
    font-weight: bold;
    color: #fff;
    line-height: 1;
}

.index1 .p2 {
    font-size: 20px;
    font-weight: bold;
    color: #fff;
}

.index2 {
    width: 100%;
    border-bottom: 1px solid #dbdbdb;
    display: flex;
}

.index2 .all {
    margin: 0 auto;
}

.index2-1 {
    display: inline-block;
    margin: 0 10px;
    padding: 0 10px;
    transition: all 0.3s;
}

.index2-1 .a1 {
    display: block;
    font-size: 16px;
    color: #484848;
    padding: 20px 0 14px;
    transition: all 0.3s;
}

.index2-1.active {
    border-bottom: 3px solid #0b3190;
}

.index2-1.active .a1 {
    font-weight: bold;
    color: #0b318f;
}

.index2-1:hover {
    border-bottom: 3px solid #0b3190;
    transition: all 0.3s;
}

.index2-1:hover .a1 {
    font-weight: bold;
    color: #0b318f;
    transition: all 0.3s;
}

.index3 {
    width: 100%;
    display: flex;
    background-color: #f7f7f7;
}

.index3 .all {
    width: 1200px;
    margin: 0 auto;
    padding: 45px 0;
}

.index3 .p1 {
    font-size: 30px;
    color: #000;
    text-align: center;
    margin-bottom: 16px;
}

.index3 .p2 {
    font-size: 14px;
    color: #a8a8a8;
    text-align: center;
}

.index3 .p2 span {
    margin-right: 30px;
}

.index3-1 {
    width: 100%;
    min-height: 600px;
    padding: 40px 0;
    margin-top: 5px;
    margin-bottom: 30px;
    border-top: 1px solid #dbdbdb;
    border-bottom: 1px solid #dbdbdb;
}
.index3-1 p{
    display: flex;
    justify-content: center;
}
.index3-1 .p3 {
    font-size: 14px;
    color: #424242;
    line-height: 2;
    text-indent: 2em;
}

.index3 .p4 a {
    color: #5c5c5c;
}

.index3 .p4 a:hover {
    color: #0b3190;
}


@media only screen and (max-width: 1250px) {
    .index3 .all {
        width: 100%;
        margin: 0;
        padding: 45px 20px;
    }
}

@media only screen and (max-width: 991px) {
    .index1 {
        background: url(../img/news-bg-b.png) no-repeat;
        background-size: 100% 100%;
    }
    .index3-1 p img{
        width: 100%;
    }
}

@media only screen and (max-width: 750px) {
    .index1 .p1 {
        font-size: 28px;
    }

    .index1 .p2 {
        font-size: 16px;
    }
}