.NyBanner img{
    object-fit: cover;
    object-position: top;
}
.adv_title {
    color: #02081b;
    font-size: 36px;
    font-weight: bold;
    margin: 30px auto;
    text-align: center;
}

.adv_content {
    display: flex;
    justify-content: space-between;
}

.adv_content>div {
    width: 410px;
    height: auto;
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    border-radius: 5px;
    transition: all 0.2s;
    background-size: 100% 100%;
    color: #fff;
    font-size: 18px;
}

.adv_content>div span:first-child {
    font-size: 30px;
    font-weight: bold;
}

.adv_content1 {
    background-image: url(/static/picture/bg1.png);
}

.adv_content2 {
    background-image: url(/static/picture/bg2.png);
}

.adv_content3 {
    background-image: url(/static/picture/bg3.png);
}

.adv_content>div:hover {
    transform: translateY(-5px);

}
/* 功能模块 */
.container {
    margin: 0 auto;
    display: flex;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: space-between;
}
h2 {
    text-align: center;
}
.category {
    background-color: #edf0f7;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 10px;
    width: 31%;
}
.category:hover{
    box-shadow: rgba(0, 0, 0, 0.25) 1px 3px 8px;
}

.category h3 {
    margin-top: 0;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}
.category ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}