.nerve-page .page-top-content{
    padding: 6.4rem 0 3.8rem 0;
}
.page-top-content h2{
    font-size: 3.2rem;
    color: #0A317C;
    line-height: 3.6rem;
    margin-bottom: 2rem;
    margin-top: 0;
}
.page-top-content h2 img{
    margin-right: 22px;
}
.page-top-content .text{
    font-size: 1.8rem;
    color: #221815;
    line-height: 3.2rem;
} 
.nerve-page-main{
    margin-top: -240px;
}
.nerve-page-main-1{
    height: 1455px;
    background: url('../picture/bg.png') no-repeat center center;
    background-size: cover;
}
.nerve-page .page-main-content{
    padding-left: 0;
    padding-right: 0;
}

.nerve-page .page-main-content ul{
    display: flex;
    gap: 80px;
    justify-content: center;
    margin-bottom: 50px;
    padding-top: 40px;
}
.nerve-page-main ul li{
    flex: 1;
    height: 260px;
    max-width: 317px;
    padding: 20px 0 40px 0;
    position: relative;
    border-radius: 5px;
    border: 1px solid #E1E7F0;
    background-color: #00A0E9;
    text-align: center;
    overflow: hidden;
}
.nerve-page-main ul li:last-child{
    background: #002B78;
}
.nerve-page-main ul li:first-child{
    padding-top: 40px;
}
.nerve-page-main ul li:first-child a > img{
    margin-bottom: 40px;
}
.nerve-page-main ul li:last-child a > img{
    margin-bottom: 12px;
}
.nerve-page-main ul li:hover{
    box-shadow: 0px 3px 5px 0px rgba(165,191,243,0.43);
}
.nerve-page-main ul p{
    margin-top: 0;
    line-height: 0;
    font-size: 30px;
    color: #FFFFFF;
    line-height: 30px;
}
.nerve-page-main ul li a{
    display: block;
    text-decoration: none;
}
.nerve-page-main ul p span{
    vertical-align: bottom;
}
.nerve-page-main .h2-title{
    margin-bottom: 36px;
}
.nerve-page-main-2{
    background-color: #CFDBE7;
    padding-bottom: 132px;
}
.nerve-page-main .h3-title{
    text-align: center;
    margin-bottom: 32px;
}
.nerve-page-main .h3-title span{
    display: inline-block;
    width: 407px;
    height: 48px;
    line-height: 48px;
    background: url('../picture/title-bg.png') no-repeat center center;
    font-size: 22px;
    color: #FBFDFE;
}
.nerve-page-main .text{
    font-size: 18px;
    color: #3E3A39;
    margin-bottom: 20px;
    padding: 0 30px;
    text-align: center;
}
.nerve-page-main .mb_75{
    margin-bottom: 75px;
}
.nerve-page-main .img-box{
    max-width: 1063px;
    padding: 12px 20px 12px 24px;
    background: #FFFFFF;
    border-radius: 16px;
    margin: 0 auto 60px;
}

/* 针对4K屏幕的样式 */
@media screen and (min-width: 2560px) {
    .nerve-page-main{
        margin-top: -66px;
    }
}

@media (max-width: 992px) {
    .nerve-page-main{
        margin-top: 5rem;
    }
    .nerve-page-main-1{
        height: 90rem;
    }
    .page-top-content h2{
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    .page-top-content h2 img{
        margin-right: 1rem;
        width: 3.2rem;
    }
    .page-top-content .text{
        font-size: 1.6rem;
    }
    .nerve-page .page-main-content{
        transform: translateY(-6rem);
    }
    .nerve-page .page-main-content ul{
        gap: 2rem;
        margin-bottom: 3rem;
        padding-left: 2.6rem;
        padding-right: 2.6rem;
    }
    .nerve-page-main ul p a{
        font-size: 1.8rem;
        line-height: 1.8rem;
    }
    .nerve-page-main ul li > img{
        margin-bottom: 1rem;
        width: 50%;
    }
    .nerve-page-main ul li:first-child > img{
        margin-bottom: 3.5rem;
    }
    .nerve-page-main ul li{
        padding: 1.5rem 0 2rem 0;
        height: 20rem;
    }
    .nerve-page-main ul a img{
        width: 2rem;
    }
 
    .nerve-page-main .h2-title{
        margin-bottom: 2rem;
    }
    .nerve-page-main .h2-title img{
        width: 12rem;
    }
    .nerve-page-main .h3-title{
        margin-bottom: 1.5rem;
    }
    .nerve-page-main .h3-title span{
        width: 25.7rem;
        height: 3.8rem;
        line-height: 3.8rem;
        background-size: 100%;
        font-size: 1.8rem;
    }
    .nerve-page-main .text{
        font-size: 1.6rem;
        padding: 0;
    }
    .nerve-page-main .mb_75{
        margin-bottom: 3rem;
    }
}

@media (max-width: 768px) {
    
    .nerve-page .page-main-content ul{
        padding-left: 2rem;
        padding-right: 2rem;
        gap: 1.5rem;
    }
    .nerve-page-main ul li > img{
        margin-bottom: 1rem;
        width: 70%;
    }
    .nerve-page-main ul li:first-child > img{
        margin-bottom: 2.2rem;
    }
    .nerve-page-main ul li{
        padding: 1.5rem 0 2rem 0;
        height: 16rem;
    }
}